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7786233009
libvirt/tools/virsh-domain.c
Jiri Denemark 7786233009 virsh: Use virTypedParams* APIs in memtune
2013-01-18 15:03:59 +01:00

10112 lines
277 KiB
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/*
* virsh-domain.c: Commands to manage domain
*
* Copyright (C) 2005, 2007-2012 Red Hat, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library. If not, see
* <http://www.gnu.org/licenses/>.
*
* Daniel Veillard <veillard@redhat.com>
* Karel Zak <kzak@redhat.com>
* Daniel P. Berrange <berrange@redhat.com>
*
*/
#include <config.h>
#include "virsh-domain.h"
#include <fcntl.h>
#include <poll.h>
#include <signal.h>
#include <sys/time.h>
#include <libxml/parser.h>
#include <libxml/tree.h>
#include <libxml/xpath.h>
#include <libxml/xmlsave.h>
#include "internal.h"
#include "virbitmap.h"
#include "virbuffer.h"
#include "c-ctype.h"
#include "conf/domain_conf.h"
#include "console.h"
#include "viralloc.h"
#include "vircommand.h"
#include "virutil.h"
#include "virfile.h"
#include "virjson.h"
#include "virkeycode.h"
#include "virmacaddr.h"
#include "virprocess.h"
#include "virstring.h"
#include "virsh-domain-monitor.h"
#include "virerror.h"
#include "virtypedparam.h"
#include "virxml.h"
/* Gnulib doesn't guarantee SA_SIGINFO support. */
#ifndef SA_SIGINFO
# define SA_SIGINFO 0
#endif
virDomainPtr
vshCommandOptDomainBy(vshControl *ctl, const vshCmd *cmd,
const char **name, unsigned int flags)
{
virDomainPtr dom = NULL;
const char *n = NULL;
int id;
const char *optname = "domain";
virCheckFlags(VSH_BYID | VSH_BYUUID | VSH_BYNAME, NULL);
if (!vshCmdHasOption(ctl, cmd, optname))
return NULL;
if (vshCommandOptString(cmd, optname, &n) <= 0)
return NULL;
vshDebug(ctl, VSH_ERR_INFO, "%s: found option <%s>: %s\n",
cmd->def->name, optname, n);
if (name)
*name = n;
/* try it by ID */
if (flags & VSH_BYID) {
if (virStrToLong_i(n, NULL, 10, &id) == 0 && id >= 0) {
vshDebug(ctl, VSH_ERR_DEBUG,
"%s: <%s> seems like domain ID\n",
cmd->def->name, optname);
dom = virDomainLookupByID(ctl->conn, id);
}
}
/* try it by UUID */
if (!dom && (flags & VSH_BYUUID) &&
strlen(n) == VIR_UUID_STRING_BUFLEN-1) {
vshDebug(ctl, VSH_ERR_DEBUG, "%s: <%s> trying as domain UUID\n",
cmd->def->name, optname);
dom = virDomainLookupByUUIDString(ctl->conn, n);
}
/* try it by NAME */
if (!dom && (flags & VSH_BYNAME)) {
vshDebug(ctl, VSH_ERR_DEBUG, "%s: <%s> trying as domain NAME\n",
cmd->def->name, optname);
dom = virDomainLookupByName(ctl->conn, n);
}
if (!dom)
vshError(ctl, _("failed to get domain '%s'"), n);
return dom;
}
static const char *
vshDomainVcpuStateToString(int state)
{
switch (state) {
case VIR_VCPU_OFFLINE:
return N_("offline");
case VIR_VCPU_BLOCKED:
return N_("idle");
case VIR_VCPU_RUNNING:
return N_("running");
default:
;/*FALLTHROUGH*/
}
return N_("no state");
}
/*
* Determine number of CPU nodes present by trying
* virNodeGetCPUMap and falling back to virNodeGetInfo
* if needed.
*/
static int
vshNodeGetCPUCount(virConnectPtr conn)
{
int ret;
virNodeInfo nodeinfo;
if ((ret = virNodeGetCPUMap(conn, NULL, NULL, 0)) < 0) {
/* fall back to nodeinfo */
vshResetLibvirtError();
if (virNodeGetInfo(conn, &nodeinfo) == 0) {
ret = VIR_NODEINFO_MAXCPUS(nodeinfo);
}
}
return ret;
}
/*
* "attach-device" command
*/
static const vshCmdInfo info_attach_device[] = {
{"help", N_("attach device from an XML file")},
{"desc", N_("Attach device from an XML <file>.")},
{NULL, NULL}
};
static const vshCmdOptDef opts_attach_device[] = {
{.name = "domain",
.type = VSH_OT_DATA,
.flags = VSH_OFLAG_REQ,
.help = N_("domain name, id or uuid")
},
{.name = "file",
.type = VSH_OT_DATA,
.flags = VSH_OFLAG_REQ,
.help = N_("XML file")
},
{.name = "persistent",
.type = VSH_OT_ALIAS,
.flags = 0,
.help = "config"
},
{.name = "config",
.type = VSH_OT_BOOL,
.flags = 0,
.help = N_("affect next boot")
},
{.name = NULL}
};
static bool
cmdAttachDevice(vshControl *ctl, const vshCmd *cmd)
{
virDomainPtr dom;
const char *from = NULL;
char *buffer;
int ret;
unsigned int flags;
if (!(dom = vshCommandOptDomain(ctl, cmd, NULL)))
return false;
if (vshCommandOptString(cmd, "file", &from) <= 0) {
virDomainFree(dom);
return false;
}
if (virFileReadAll(from, VSH_MAX_XML_FILE, &buffer) < 0) {
vshReportError(ctl);
virDomainFree(dom);
return false;
}
if (vshCommandOptBool(cmd, "config")) {
flags = VIR_DOMAIN_AFFECT_CONFIG;
if (virDomainIsActive(dom) == 1)
flags |= VIR_DOMAIN_AFFECT_LIVE;
ret = virDomainAttachDeviceFlags(dom, buffer, flags);
} else {
ret = virDomainAttachDevice(dom, buffer);
}
VIR_FREE(buffer);
if (ret < 0) {
vshError(ctl, _("Failed to attach device from %s"), from);
virDomainFree(dom);
return false;
} else {
vshPrint(ctl, "%s", _("Device attached successfully\n"));
}
virDomainFree(dom);
return true;
}
/*
* "attach-disk" command
*/
static const vshCmdInfo info_attach_disk[] = {
{"help", N_("attach disk device")},
{"desc", N_("Attach new disk device.")},
{NULL, NULL}
};
static const vshCmdOptDef opts_attach_disk[] = {
{.name = "domain",
.type = VSH_OT_DATA,
.flags = VSH_OFLAG_REQ,
.help = N_("domain name, id or uuid")
},
{.name = "source",
.type = VSH_OT_DATA,
.flags = VSH_OFLAG_REQ | VSH_OFLAG_EMPTY_OK,
.help = N_("source of disk device")
},
{.name = "target",
.type = VSH_OT_DATA,
.flags = VSH_OFLAG_REQ,
.help = N_("target of disk device")
},
{.name = "driver",
.type = VSH_OT_STRING,
.flags = 0,
.help = N_("driver of disk device")
},
{.name = "subdriver",
.type = VSH_OT_STRING,
.flags = 0,
.help = N_("subdriver of disk device")
},
{.name = "cache",
.type = VSH_OT_STRING,
.flags = 0,
.help = N_("cache mode of disk device")
},
{.name = "type",
.type = VSH_OT_STRING,
.flags = 0,
.help = N_("target device type")
},
{.name = "mode",
.type = VSH_OT_STRING,
.flags = 0,
.help = N_("mode of device reading and writing")
},
{.name = "persistent",
.type = VSH_OT_ALIAS,
.flags = 0,
.help = "config"
},
{.name = "config",
.type = VSH_OT_BOOL,
.flags = 0,
.help = N_("affect next boot")
},
{.name = "sourcetype",
.type = VSH_OT_STRING,
.flags = 0,
.help = N_("type of source (block|file)")
},
{.name = "serial",
.type = VSH_OT_STRING,
.flags = 0,
.help = N_("serial of disk device")
},
{.name = "shareable",
.type = VSH_OT_BOOL,
.flags = 0,
.help = N_("shareable between domains")
},
{.name = "rawio",
.type = VSH_OT_BOOL,
.flags = 0,
.help = N_("needs rawio capability")
},
{.name = "address",
.type = VSH_OT_STRING,
.flags = 0,
.help = N_("address of disk device")
},
{.name = "multifunction",
.type = VSH_OT_BOOL,
.flags = 0,
.help = N_("use multifunction pci under specified address")
},
{.name = NULL}
};
enum {
DISK_ADDR_TYPE_INVALID,
DISK_ADDR_TYPE_PCI,
DISK_ADDR_TYPE_SCSI,
DISK_ADDR_TYPE_IDE,
};
struct PCIAddress {
unsigned int domain;
unsigned int bus;
unsigned int slot;
unsigned int function;
};
struct SCSIAddress {
unsigned int controller;
unsigned int bus;
unsigned int unit;
};
struct IDEAddress {
unsigned int controller;
unsigned int bus;
unsigned int unit;
};
struct DiskAddress {
int type;
union {
struct PCIAddress pci;
struct SCSIAddress scsi;
struct IDEAddress ide;
} addr;
};
static int str2PCIAddress(const char *str, struct PCIAddress *pciAddr)
{
char *domain, *bus, *slot, *function;
if (!pciAddr)
return -1;
if (!str)
return -1;
domain = (char *)str;
if (virStrToLong_ui(domain, &bus, 0, &pciAddr->domain) != 0)
return -1;
bus++;
if (virStrToLong_ui(bus, &slot, 0, &pciAddr->bus) != 0)
return -1;
slot++;
if (virStrToLong_ui(slot, &function, 0, &pciAddr->slot) != 0)
return -1;
function++;
if (virStrToLong_ui(function, NULL, 0, &pciAddr->function) != 0)
return -1;
return 0;
}
static int str2SCSIAddress(const char *str, struct SCSIAddress *scsiAddr)
{
char *controller, *bus, *unit;
if (!scsiAddr)
return -1;
if (!str)
return -1;
controller = (char *)str;
if (virStrToLong_ui(controller, &bus, 0, &scsiAddr->controller) != 0)
return -1;
bus++;
if (virStrToLong_ui(bus, &unit, 0, &scsiAddr->bus) != 0)
return -1;
unit++;
if (virStrToLong_ui(unit, NULL, 0, &scsiAddr->unit) != 0)
return -1;
return 0;
}
static int str2IDEAddress(const char *str, struct IDEAddress *ideAddr)
{
char *controller, *bus, *unit;
if (!ideAddr)
return -1;
if (!str)
return -1;
controller = (char *)str;
if (virStrToLong_ui(controller, &bus, 0, &ideAddr->controller) != 0)
return -1;
bus++;
if (virStrToLong_ui(bus, &unit, 0, &ideAddr->bus) != 0)
return -1;
unit++;
if (virStrToLong_ui(unit, NULL, 0, &ideAddr->unit) != 0)
return -1;
return 0;
}
/* pci address pci:0000.00.0x0a.0 (domain:bus:slot:function)
* ide disk address: ide:00.00.0 (controller:bus:unit)
* scsi disk address: scsi:00.00.0 (controller:bus:unit)
*/
static int str2DiskAddress(const char *str, struct DiskAddress *diskAddr)
{
char *type, *addr;
if (!diskAddr)
return -1;
if (!str)
return -1;
type = (char *)str;
addr = strchr(type, ':');
if (!addr)
return -1;
if (STREQLEN(type, "pci", addr - type)) {
diskAddr->type = DISK_ADDR_TYPE_PCI;
return str2PCIAddress(addr + 1, &diskAddr->addr.pci);
} else if (STREQLEN(type, "scsi", addr - type)) {
diskAddr->type = DISK_ADDR_TYPE_SCSI;
return str2SCSIAddress(addr + 1, &diskAddr->addr.scsi);
} else if (STREQLEN(type, "ide", addr - type)) {
diskAddr->type = DISK_ADDR_TYPE_IDE;
return str2IDEAddress(addr + 1, &diskAddr->addr.ide);
}
return -1;
}
static bool
cmdAttachDisk(vshControl *ctl, const vshCmd *cmd)
{
virDomainPtr dom = NULL;
const char *source = NULL, *target = NULL, *driver = NULL,
*subdriver = NULL, *type = NULL, *mode = NULL,
*cache = NULL, *serial = NULL, *straddr = NULL;
struct DiskAddress diskAddr;
bool isFile = false, functionReturn = false;
int ret;
unsigned int flags;
const char *stype = NULL;
virBuffer buf = VIR_BUFFER_INITIALIZER;
char *xml;
struct stat st;
if (!(dom = vshCommandOptDomain(ctl, cmd, NULL)))
goto cleanup;
if (vshCommandOptString(cmd, "source", &source) <= 0)
goto cleanup;
/* Allow empty string as a placeholder that implies no source, for
* use in adding a cdrom drive with no disk. */
if (!*source)
source = NULL;
if (vshCommandOptString(cmd, "target", &target) <= 0)
goto cleanup;
if (vshCommandOptString(cmd, "driver", &driver) < 0 ||
vshCommandOptString(cmd, "subdriver", &subdriver) < 0 ||
vshCommandOptString(cmd, "type", &type) < 0 ||
vshCommandOptString(cmd, "mode", &mode) < 0 ||
vshCommandOptString(cmd, "cache", &cache) < 0 ||
vshCommandOptString(cmd, "serial", &serial) < 0 ||
vshCommandOptString(cmd, "address", &straddr) < 0 ||
vshCommandOptString(cmd, "sourcetype", &stype) < 0) {
vshError(ctl, "%s", _("missing option"));
goto cleanup;
}
if (!stype) {
if (driver && (STREQ(driver, "file") || STREQ(driver, "tap"))) {
isFile = true;
} else {
if (source && !stat(source, &st))
isFile = S_ISREG(st.st_mode) ? true : false;
}
} else if (STREQ(stype, "file")) {
isFile = true;
} else if (STRNEQ(stype, "block")) {
vshError(ctl, _("Unknown source type: '%s'"), stype);
goto cleanup;
}
if (mode) {
if (STRNEQ(mode, "readonly") && STRNEQ(mode, "shareable")) {
vshError(ctl, _("No support for %s in command 'attach-disk'"),
mode);
goto cleanup;
}
}
/* Make XML of disk */
virBufferAsprintf(&buf, "<disk type='%s'",
(isFile) ? "file" : "block");
if (type)
virBufferAsprintf(&buf, " device='%s'", type);
if (vshCommandOptBool(cmd, "rawio"))
virBufferAddLit(&buf, " rawio='yes'");
virBufferAddLit(&buf, ">\n");
if (driver || subdriver || cache) {
virBufferAsprintf(&buf, " <driver");
if (driver)
virBufferAsprintf(&buf, " name='%s'", driver);
if (subdriver)
virBufferAsprintf(&buf, " type='%s'", subdriver);
if (cache)
virBufferAsprintf(&buf, " cache='%s'", cache);
virBufferAddLit(&buf, "/>\n");
}
if (source)
virBufferAsprintf(&buf, " <source %s='%s'/>\n",
(isFile) ? "file" : "dev",
source);
virBufferAsprintf(&buf, " <target dev='%s'/>\n", target);
if (mode)
virBufferAsprintf(&buf, " <%s/>\n", mode);
if (serial)
virBufferAsprintf(&buf, " <serial>%s</serial>\n", serial);
if (vshCommandOptBool(cmd, "shareable"))
virBufferAsprintf(&buf, " <shareable/>\n");
if (straddr) {
if (str2DiskAddress(straddr, &diskAddr) != 0) {
vshError(ctl, _("Invalid address."));
goto cleanup;
}
if (STRPREFIX((const char *)target, "vd")) {
if (diskAddr.type == DISK_ADDR_TYPE_PCI) {
virBufferAsprintf(&buf,
" <address type='pci' domain='0x%04x'"
" bus ='0x%02x' slot='0x%02x' function='0x%0x'",
diskAddr.addr.pci.domain, diskAddr.addr.pci.bus,
diskAddr.addr.pci.slot, diskAddr.addr.pci.function);
if (vshCommandOptBool(cmd, "multifunction"))
virBufferAddLit(&buf, " multifunction='on'");
virBufferAddLit(&buf, "/>\n");
} else {
vshError(ctl, "%s", _("expecting a pci:0000.00.00.00 address."));
goto cleanup;
}
} else if (STRPREFIX((const char *)target, "sd")) {
if (diskAddr.type == DISK_ADDR_TYPE_SCSI) {
virBufferAsprintf(&buf,
" <address type='drive' controller='%d'"
" bus='%d' unit='%d' />\n",
diskAddr.addr.scsi.controller, diskAddr.addr.scsi.bus,
diskAddr.addr.scsi.unit);
} else {
vshError(ctl, "%s", _("expecting a scsi:00.00.00 address."));
goto cleanup;
}
} else if (STRPREFIX((const char *)target, "hd")) {
if (diskAddr.type == DISK_ADDR_TYPE_IDE) {
virBufferAsprintf(&buf,
" <address type='drive' controller='%d'"
" bus='%d' unit='%d' />\n",
diskAddr.addr.ide.controller, diskAddr.addr.ide.bus,
diskAddr.addr.ide.unit);
} else {
vshError(ctl, "%s", _("expecting an ide:00.00.00 address."));
goto cleanup;
}
}
}
virBufferAddLit(&buf, "</disk>\n");
if (virBufferError(&buf)) {
vshPrint(ctl, "%s", _("Failed to allocate XML buffer"));
return false;
}
xml = virBufferContentAndReset(&buf);
if (vshCommandOptBool(cmd, "config")) {
flags = VIR_DOMAIN_AFFECT_CONFIG;
if (virDomainIsActive(dom) == 1)
flags |= VIR_DOMAIN_AFFECT_LIVE;
ret = virDomainAttachDeviceFlags(dom, xml, flags);
} else {
ret = virDomainAttachDevice(dom, xml);
}
VIR_FREE(xml);
if (ret != 0) {
vshError(ctl, "%s", _("Failed to attach disk"));
} else {
vshPrint(ctl, "%s", _("Disk attached successfully\n"));
functionReturn = true;
}
cleanup:
if (dom)
virDomainFree(dom);
virBufferFreeAndReset(&buf);
return functionReturn;
}
/*
* "attach-interface" command
*/
static const vshCmdInfo info_attach_interface[] = {
{"help", N_("attach network interface")},
{"desc", N_("Attach new network interface.")},
{NULL, NULL}
};
static const vshCmdOptDef opts_attach_interface[] = {
{.name = "domain",
.type = VSH_OT_DATA,
.flags = VSH_OFLAG_REQ,
.help = N_("domain name, id or uuid")
},
{.name = "type",
.type = VSH_OT_DATA,
.flags = VSH_OFLAG_REQ,
.help = N_("network interface type")
},
{.name = "source",
.type = VSH_OT_DATA,
.flags = VSH_OFLAG_REQ,
.help = N_("source of network interface")
},
{.name = "target",
.type = VSH_OT_DATA,
.flags = 0,
.help = N_("target network name")
},
{.name = "mac",
.type = VSH_OT_DATA,
.flags = 0,
.help = N_("MAC address")
},
{.name = "script",
.type = VSH_OT_DATA,
.flags = 0,
.help = N_("script used to bridge network interface")
},
{.name = "model",
.type = VSH_OT_DATA,
.flags = 0,
.help = N_("model type")
},
{.name = "persistent",
.type = VSH_OT_ALIAS,
.flags = 0,
.help = "config"
},
{.name = "config",
.type = VSH_OT_BOOL,
.flags = 0,
.help = N_("affect next boot")
},
{.name = "inbound",
.type = VSH_OT_DATA,
.flags = VSH_OFLAG_NONE,
.help = N_("control domain's incoming traffics")
},
{.name = "outbound",
.type = VSH_OT_DATA,
.flags = VSH_OFLAG_NONE,
.help = N_("control domain's outgoing traffics")
},
{.name = NULL}
};
/* parse inbound and outbound which are in the format of
* 'average,peak,burst', in which peak and burst are optional,
* thus 'average,,burst' and 'average,peak' are also legal. */
static int parseRateStr(const char *rateStr, virNetDevBandwidthRatePtr rate)
{
const char *average = NULL;
char *peak = NULL, *burst = NULL;
average = rateStr;
if (!average)
return -1;
if (virStrToLong_ull(average, &peak, 10, &rate->average) < 0)
return -1;
/* peak will be updated to point to the end of rateStr in case
* of 'average' */
if (peak && *peak != '\0') {
burst = strchr(peak + 1, ',');
if (!(burst && (burst - peak == 1))) {
if (virStrToLong_ull(peak + 1, &burst, 10, &rate->peak) < 0)
return -1;
}
/* burst will be updated to point to the end of rateStr in case
* of 'average,peak' */
if (burst && *burst != '\0') {
if (virStrToLong_ull(burst + 1, NULL, 10, &rate->burst) < 0)
return -1;
}
}
return 0;
}
static bool
cmdAttachInterface(vshControl *ctl, const vshCmd *cmd)
{
virDomainPtr dom = NULL;
const char *mac = NULL, *target = NULL, *script = NULL,
*type = NULL, *source = NULL, *model = NULL,
*inboundStr = NULL, *outboundStr = NULL;
virNetDevBandwidthRate inbound, outbound;
int typ;
int ret;
bool functionReturn = false;
unsigned int flags;
virBuffer buf = VIR_BUFFER_INITIALIZER;
char *xml;
if (!(dom = vshCommandOptDomain(ctl, cmd, NULL)))
goto cleanup;
if (vshCommandOptString(cmd, "type", &type) <= 0)
goto cleanup;
if (vshCommandOptString(cmd, "source", &source) < 0 ||
vshCommandOptString(cmd, "target", &target) < 0 ||
vshCommandOptString(cmd, "mac", &mac) < 0 ||
vshCommandOptString(cmd, "script", &script) < 0 ||
vshCommandOptString(cmd, "model", &model) < 0 ||
vshCommandOptString(cmd, "inbound", &inboundStr) < 0 ||
vshCommandOptString(cmd, "outbound", &outboundStr) < 0) {
vshError(ctl, "missing argument");
goto cleanup;
}
/* check interface type */
if (STREQ(type, "network")) {
typ = 1;
} else if (STREQ(type, "bridge")) {
typ = 2;
} else {
vshError(ctl, _("No support for %s in command 'attach-interface'"),
type);
goto cleanup;
}
if (inboundStr) {
memset(&inbound, 0, sizeof(inbound));
if (parseRateStr(inboundStr, &inbound) < 0) {
vshError(ctl, _("inbound format is incorrect"));
goto cleanup;
}
if (inbound.average == 0) {
vshError(ctl, _("inbound average is mandatory"));
goto cleanup;
}
}
if (outboundStr) {
memset(&outbound, 0, sizeof(outbound));
if (parseRateStr(outboundStr, &outbound) < 0) {
vshError(ctl, _("outbound format is incorrect"));
goto cleanup;
}
if (outbound.average == 0) {
vshError(ctl, _("outbound average is mandatory"));
goto cleanup;
}
}
/* Make XML of interface */
virBufferAsprintf(&buf, "<interface type='%s'>\n", type);
if (typ == 1)
virBufferAsprintf(&buf, " <source network='%s'/>\n", source);
else if (typ == 2)
virBufferAsprintf(&buf, " <source bridge='%s'/>\n", source);
if (target != NULL)
virBufferAsprintf(&buf, " <target dev='%s'/>\n", target);
if (mac != NULL)
virBufferAsprintf(&buf, " <mac address='%s'/>\n", mac);
if (script != NULL)
virBufferAsprintf(&buf, " <script path='%s'/>\n", script);
if (model != NULL)
virBufferAsprintf(&buf, " <model type='%s'/>\n", model);
if (inboundStr || outboundStr) {
virBufferAsprintf(&buf, " <bandwidth>\n");
if (inboundStr && inbound.average > 0) {
virBufferAsprintf(&buf, " <inbound average='%llu'", inbound.average);
if (inbound.peak > 0)
virBufferAsprintf(&buf, " peak='%llu'", inbound.peak);
if (inbound.burst > 0)
virBufferAsprintf(&buf, " burst='%llu'", inbound.burst);
virBufferAsprintf(&buf, "/>\n");
}
if (outboundStr && outbound.average > 0) {
virBufferAsprintf(&buf, " <outbound average='%llu'", outbound.average);
if (outbound.peak > 0)
virBufferAsprintf(&buf, " peak='%llu'", outbound.peak);
if (outbound.burst > 0)
virBufferAsprintf(&buf, " burst='%llu'", outbound.burst);
virBufferAsprintf(&buf, "/>\n");
}
virBufferAsprintf(&buf, " </bandwidth>\n");
}
virBufferAddLit(&buf, "</interface>\n");
if (virBufferError(&buf)) {
vshPrint(ctl, "%s", _("Failed to allocate XML buffer"));
goto cleanup;
}
xml = virBufferContentAndReset(&buf);
if (vshCommandOptBool(cmd, "config")) {
flags = VIR_DOMAIN_AFFECT_CONFIG;
if (virDomainIsActive(dom) == 1)
flags |= VIR_DOMAIN_AFFECT_LIVE;
ret = virDomainAttachDeviceFlags(dom, xml, flags);
} else {
ret = virDomainAttachDevice(dom, xml);
}
VIR_FREE(xml);
if (ret != 0) {
vshError(ctl, "%s", _("Failed to attach interface"));
} else {
vshPrint(ctl, "%s", _("Interface attached successfully\n"));
functionReturn = true;
}
cleanup:
if (dom)
virDomainFree(dom);
virBufferFreeAndReset(&buf);
return functionReturn;
}
/*
* "autostart" command
*/
static const vshCmdInfo info_autostart[] = {
{"help", N_("autostart a domain")},
{"desc",
N_("Configure a domain to be automatically started at boot.")},
{NULL, NULL}
};
static const vshCmdOptDef opts_autostart[] = {
{.name = "domain",
.type = VSH_OT_DATA,
.flags = VSH_OFLAG_REQ,
.help = N_("domain name, id or uuid")
},
{.name = "disable",
.type = VSH_OT_BOOL,
.flags = 0,
.help = N_("disable autostarting")
},
{.name = NULL}
};
static bool
cmdAutostart(vshControl *ctl, const vshCmd *cmd)
{
virDomainPtr dom;
const char *name;
int autostart;
if (!(dom = vshCommandOptDomain(ctl, cmd, &name)))
return false;
autostart = !vshCommandOptBool(cmd, "disable");
if (virDomainSetAutostart(dom, autostart) < 0) {
if (autostart)
vshError(ctl, _("Failed to mark domain %s as autostarted"), name);
else
vshError(ctl, _("Failed to unmark domain %s as autostarted"), name);
virDomainFree(dom);
return false;
}
if (autostart)
vshPrint(ctl, _("Domain %s marked as autostarted\n"), name);
else
vshPrint(ctl, _("Domain %s unmarked as autostarted\n"), name);
virDomainFree(dom);
return true;
}
/*
* "blkdeviotune" command
*/
static const vshCmdInfo info_blkdeviotune[] = {
{"help", N_("Set or query a block device I/O tuning parameters.")},
{"desc", N_("Set or query disk I/O parameters such as block throttling.")},
{NULL, NULL}
};
static const vshCmdOptDef opts_blkdeviotune[] = {
{.name = "domain",
.type = VSH_OT_DATA,
.flags = VSH_OFLAG_REQ,
.help = N_("domain name, id or uuid")
},
{.name = "device",
.type = VSH_OT_DATA,
.flags = VSH_OFLAG_REQ,
.help = N_("block device")
},
{.name = "total_bytes_sec",
.type = VSH_OT_ALIAS,
.flags = 0,
.help = "total-bytes-sec"
},
{.name = "total-bytes-sec",
.type = VSH_OT_INT,
.flags = VSH_OFLAG_NONE,
.help = N_("total throughput limit in bytes per second")
},
{.name = "read_bytes_sec",
.type = VSH_OT_ALIAS,
.flags = 0,
.help = "read-bytes-sec"
},
{.name = "read-bytes-sec",
.type = VSH_OT_INT,
.flags = VSH_OFLAG_NONE,
.help = N_("read throughput limit in bytes per second")
},
{.name = "write_bytes_sec",
.type = VSH_OT_ALIAS,
.flags = 0,
.help = "write-bytes-sec"
},
{.name = "write-bytes-sec",
.type = VSH_OT_INT,
.flags = VSH_OFLAG_NONE,
.help = N_("write throughput limit in bytes per second")
},
{.name = "total_iops_sec",
.type = VSH_OT_ALIAS,
.flags = 0,
.help = "total-iops-sec"
},
{.name = "total-iops-sec",
.type = VSH_OT_INT,
.flags = VSH_OFLAG_NONE,
.help = N_("total I/O operations limit per second")
},
{.name = "read_iops_sec",
.type = VSH_OT_ALIAS,
.flags = 0,
.help = "read-iops-sec"
},
{.name = "read-iops-sec",
.type = VSH_OT_INT,
.flags = VSH_OFLAG_NONE,
.help = N_("read I/O operations limit per second")
},
{.name = "write_iops_sec",
.type = VSH_OT_ALIAS,
.flags = 0,
.help = "write-iops-sec"
},
{.name = "write-iops-sec",
.type = VSH_OT_INT,
.flags = VSH_OFLAG_NONE,
.help = N_("write I/O operations limit per second")
},
{.name = "config",
.type = VSH_OT_BOOL,
.flags = 0,
.help = N_("affect next boot")
},
{.name = "live",
.type = VSH_OT_BOOL,
.flags = 0,
.help = N_("affect running domain")
},
{.name = "current",
.type = VSH_OT_BOOL,
.flags = 0,
.help = N_("affect current domain")
},
{.name = NULL}
};
static bool
cmdBlkdeviotune(vshControl *ctl, const vshCmd *cmd)
{
virDomainPtr dom = NULL;
const char *name, *disk;
unsigned long long value;
int nparams = 0;
int maxparams = 0;
virTypedParameterPtr params = NULL;
unsigned int flags = 0, i = 0;
int rv = 0;
bool current = vshCommandOptBool(cmd, "current");
bool config = vshCommandOptBool(cmd, "config");
bool live = vshCommandOptBool(cmd, "live");
bool ret = false;
if (current) {
if (live || config) {
vshError(ctl, "%s", _("--current must be specified exclusively"));
return false;
}
flags = VIR_DOMAIN_AFFECT_CURRENT;
} else {
if (config)
flags |= VIR_DOMAIN_AFFECT_CONFIG;
if (live)
flags |= VIR_DOMAIN_AFFECT_LIVE;
}
if (!(dom = vshCommandOptDomain(ctl, cmd, &name)))
goto cleanup;
if (vshCommandOptString(cmd, "device", &disk) < 0)
goto cleanup;
if ((rv = vshCommandOptULongLong(cmd, "total-bytes-sec", &value)) < 0) {
goto interror;
} else if (rv > 0) {
if (virTypedParamsAddULLong(&params, &nparams, &maxparams,
VIR_DOMAIN_BLOCK_IOTUNE_TOTAL_BYTES_SEC,
value) < 0)
goto save_error;
}
if ((rv = vshCommandOptULongLong(cmd, "read-bytes-sec", &value)) < 0) {
goto interror;
} else if (rv > 0) {
if (virTypedParamsAddULLong(&params, &nparams, &maxparams,
VIR_DOMAIN_BLOCK_IOTUNE_READ_BYTES_SEC,
value) < 0)
goto save_error;
}
if ((rv = vshCommandOptULongLong(cmd, "write-bytes-sec", &value)) < 0) {
goto interror;
} else if (rv > 0) {
if (virTypedParamsAddULLong(&params, &nparams, &maxparams,
VIR_DOMAIN_BLOCK_IOTUNE_WRITE_BYTES_SEC,
value) < 0)
goto save_error;
}
if ((rv = vshCommandOptULongLong(cmd, "total-iops-sec", &value)) < 0) {
goto interror;
} else if (rv > 0) {
if (virTypedParamsAddULLong(&params, &nparams, &maxparams,
VIR_DOMAIN_BLOCK_IOTUNE_TOTAL_IOPS_SEC,
value) < 0)
goto save_error;
}
if ((rv = vshCommandOptULongLong(cmd, "read-iops-sec", &value)) < 0) {
goto interror;
} else if (rv > 0) {
if (virTypedParamsAddULLong(&params, &nparams, &maxparams,
VIR_DOMAIN_BLOCK_IOTUNE_READ_IOPS_SEC,
value) < 0)
goto save_error;
}
if ((rv = vshCommandOptULongLong(cmd, "write-iops-sec", &value)) < 0) {
goto interror;
} else if (rv > 0) {
if (virTypedParamsAddULLong(&params, &nparams, &maxparams,
VIR_DOMAIN_BLOCK_IOTUNE_WRITE_IOPS_SEC,
value) < 0)
goto save_error;
}
if (nparams == 0) {
if (virDomainGetBlockIoTune(dom, NULL, NULL, &nparams, flags) != 0) {
vshError(ctl, "%s",
_("Unable to get number of block I/O throttle parameters"));
goto cleanup;
}
if (nparams == 0) {
ret = true;
goto cleanup;
}
params = vshCalloc(ctl, nparams, sizeof(*params));
if (virDomainGetBlockIoTune(dom, disk, params, &nparams, flags) != 0) {
vshError(ctl, "%s",
_("Unable to get block I/O throttle parameters"));
goto cleanup;
}
for (i = 0; i < nparams; i++) {
char *str = vshGetTypedParamValue(ctl, &params[i]);
vshPrint(ctl, "%-15s: %s\n", params[i].field, str);
VIR_FREE(str);
}
} else {
if (virDomainSetBlockIoTune(dom, disk, params, nparams, flags) < 0)
goto error;
}
ret = true;
cleanup:
virTypedParamsFree(params, nparams);
virDomainFree(dom);
return ret;
save_error:
vshSaveLibvirtError();
error:
vshError(ctl, "%s", _("Unable to change block I/O throttle"));
goto cleanup;
interror:
vshError(ctl, "%s", _("Unable to parse integer parameter"));
goto cleanup;
}
/*
* "blkiotune" command
*/
static const vshCmdInfo info_blkiotune[] = {
{"help", N_("Get or set blkio parameters")},
{"desc", N_("Get or set the current blkio parameters for a guest"
" domain.\n"
" To get the blkio parameters use following command: \n\n"
" virsh # blkiotune <domain>")},
{NULL, NULL}
};
static const vshCmdOptDef opts_blkiotune[] = {
{.name = "domain",
.type = VSH_OT_DATA,
.flags = VSH_OFLAG_REQ,
.help = N_("domain name, id or uuid")
},
{.name = "weight",
.type = VSH_OT_INT,
.flags = VSH_OFLAG_NONE,
.help = N_("IO Weight in range [100, 1000]")
},
{.name = "device-weights",
.type = VSH_OT_STRING,
.flags = VSH_OFLAG_NONE,
.help = N_("per-device IO Weights, in the form of /path/to/device,weight,...")
},
{.name = "config",
.type = VSH_OT_BOOL,
.flags = 0,
.help = N_("affect next boot")
},
{.name = "live",
.type = VSH_OT_BOOL,
.flags = 0,
.help = N_("affect running domain")
},
{.name = "current",
.type = VSH_OT_BOOL,
.flags = 0,
.help = N_("affect current domain")
},
{.name = NULL}
};
static bool
cmdBlkiotune(vshControl * ctl, const vshCmd * cmd)
{
virDomainPtr dom;
const char *device_weight = NULL;
int weight = 0;
int nparams = 0;
int maxparams = 0;
int rv = 0;
unsigned int i = 0;
virTypedParameterPtr params = NULL;
bool ret = false;
unsigned int flags = 0;
bool current = vshCommandOptBool(cmd, "current");
bool config = vshCommandOptBool(cmd, "config");
bool live = vshCommandOptBool(cmd, "live");
if (current) {
if (live || config) {
vshError(ctl, "%s", _("--current must be specified exclusively"));
return false;
}
flags = VIR_DOMAIN_AFFECT_CURRENT;
} else {
if (config)
flags |= VIR_DOMAIN_AFFECT_CONFIG;
if (live)
flags |= VIR_DOMAIN_AFFECT_LIVE;
}
if (!(dom = vshCommandOptDomain(ctl, cmd, NULL)))
return false;
if ((rv = vshCommandOptInt(cmd, "weight", &weight)) < 0) {
vshError(ctl, "%s", _("Unable to parse integer parameter"));
goto cleanup;
} else if (rv > 0) {
if (weight <= 0) {
vshError(ctl, _("Invalid value of %d for I/O weight"), weight);
goto cleanup;
}
if (virTypedParamsAddUInt(&params, &nparams, &maxparams,
VIR_DOMAIN_BLKIO_WEIGHT, weight) < 0)
goto save_error;
}
rv = vshCommandOptString(cmd, "device-weights", &device_weight);
if (rv < 0) {
vshError(ctl, "%s", _("Unable to parse string parameter"));
goto cleanup;
} else if (rv > 0) {
if (virTypedParamsAddString(&params, &nparams, &maxparams,
VIR_DOMAIN_BLKIO_DEVICE_WEIGHT,
device_weight) < 0)
goto save_error;
}
if (nparams == 0) {
/* get the number of blkio parameters */
if (virDomainGetBlkioParameters(dom, NULL, &nparams, flags) != 0) {
vshError(ctl, "%s",
_("Unable to get number of blkio parameters"));
goto cleanup;
}
if (nparams == 0) {
/* nothing to output */
ret = true;
goto cleanup;
}
/* now go get all the blkio parameters */
params = vshCalloc(ctl, nparams, sizeof(*params));
if (virDomainGetBlkioParameters(dom, params, &nparams, flags) != 0) {
vshError(ctl, "%s", _("Unable to get blkio parameters"));
goto cleanup;
}
for (i = 0; i < nparams; i++) {
char *str = vshGetTypedParamValue(ctl, &params[i]);
vshPrint(ctl, "%-15s: %s\n", params[i].field, str);
VIR_FREE(str);
}
} else {
/* set the blkio parameters */
if (virDomainSetBlkioParameters(dom, params, nparams, flags) < 0)
goto error;
}
ret = true;
cleanup:
virTypedParamsFree(params, nparams);
virDomainFree(dom);
return ret;
save_error:
vshSaveLibvirtError();
error:
vshError(ctl, "%s", _("Unable to change blkio parameters"));
goto cleanup;
}
typedef enum {
VSH_CMD_BLOCK_JOB_ABORT = 0,
VSH_CMD_BLOCK_JOB_INFO = 1,
VSH_CMD_BLOCK_JOB_SPEED = 2,
VSH_CMD_BLOCK_JOB_PULL = 3,
VSH_CMD_BLOCK_JOB_COPY = 4,
VSH_CMD_BLOCK_JOB_COMMIT = 5,
} vshCmdBlockJobMode;
static int
blockJobImpl(vshControl *ctl, const vshCmd *cmd,
virDomainBlockJobInfoPtr info, int mode,
virDomainPtr *pdom)
{
virDomainPtr dom = NULL;
const char *name, *path;
unsigned long bandwidth = 0;
int ret = -1;
const char *base = NULL;
const char *top = NULL;
unsigned int flags = 0;
if (!(dom = vshCommandOptDomain(ctl, cmd, &name)))
goto cleanup;
if (vshCommandOptString(cmd, "path", &path) < 0)
goto cleanup;
if (vshCommandOptUL(cmd, "bandwidth", &bandwidth) < 0) {
vshError(ctl, "%s", _("bandwidth must be a number"));
goto cleanup;
}
switch ((vshCmdBlockJobMode) mode) {
case VSH_CMD_BLOCK_JOB_ABORT:
if (vshCommandOptBool(cmd, "async"))
flags |= VIR_DOMAIN_BLOCK_JOB_ABORT_ASYNC;
if (vshCommandOptBool(cmd, "pivot"))
flags |= VIR_DOMAIN_BLOCK_JOB_ABORT_PIVOT;
ret = virDomainBlockJobAbort(dom, path, flags);
break;
case VSH_CMD_BLOCK_JOB_INFO:
ret = virDomainGetBlockJobInfo(dom, path, info, 0);
break;
case VSH_CMD_BLOCK_JOB_SPEED:
ret = virDomainBlockJobSetSpeed(dom, path, bandwidth, 0);
break;
case VSH_CMD_BLOCK_JOB_PULL:
if (vshCommandOptString(cmd, "base", &base) < 0)
goto cleanup;
if (base)
ret = virDomainBlockRebase(dom, path, base, bandwidth, 0);
else
ret = virDomainBlockPull(dom, path, bandwidth, 0);
break;
case VSH_CMD_BLOCK_JOB_COMMIT:
if (vshCommandOptString(cmd, "base", &base) < 0 ||
vshCommandOptString(cmd, "top", &top) < 0)
goto cleanup;
if (vshCommandOptBool(cmd, "shallow"))
flags |= VIR_DOMAIN_BLOCK_COMMIT_SHALLOW;
if (vshCommandOptBool(cmd, "delete"))
flags |= VIR_DOMAIN_BLOCK_COMMIT_DELETE;
ret = virDomainBlockCommit(dom, path, base, top, bandwidth, flags);
break;
case VSH_CMD_BLOCK_JOB_COPY:
flags |= VIR_DOMAIN_BLOCK_REBASE_COPY;
if (vshCommandOptBool(cmd, "shallow"))
flags |= VIR_DOMAIN_BLOCK_REBASE_SHALLOW;
if (vshCommandOptBool(cmd, "reuse-external"))
flags |= VIR_DOMAIN_BLOCK_REBASE_REUSE_EXT;
if (vshCommandOptBool(cmd, "raw"))
flags |= VIR_DOMAIN_BLOCK_REBASE_COPY_RAW;
if (vshCommandOptString(cmd, "dest", &base) < 0)
goto cleanup;
ret = virDomainBlockRebase(dom, path, base, bandwidth, flags);
}
cleanup:
if (pdom && ret == 0)
*pdom = dom;
else if (dom)
virDomainFree(dom);
return ret;
}
static void
print_job_progress(const char *label, unsigned long long remaining,
unsigned long long total)
{
int progress;
if (total == 0)
/* migration has not been started */
return;
if (remaining == 0) {
/* migration has completed */
progress = 100;
} else {
/* use float to avoid overflow */
progress = (int)(100.0 - remaining * 100.0 / total);
if (progress >= 100) {
/* migration has not completed, do not print [100 %] */
progress = 99;
}
}
/* see comments in vshError about why we must flush */
fflush(stdout);
fprintf(stderr, "\r%s: [%3d %%]", label, progress);
fflush(stderr);
}
static volatile sig_atomic_t intCaught = 0;
static void vshCatchInt(int sig ATTRIBUTE_UNUSED,
siginfo_t *siginfo ATTRIBUTE_UNUSED,
void *context ATTRIBUTE_UNUSED)
{
intCaught = 1;
}
/*
* "blockcommit" command
*/
static const vshCmdInfo info_block_commit[] = {
{"help", N_("Start a block commit operation.")},
{"desc", N_("Commit changes from a snapshot down to its backing image.")},
{NULL, NULL}
};
static const vshCmdOptDef opts_block_commit[] = {
{.name = "domain",
.type = VSH_OT_DATA,
.flags = VSH_OFLAG_REQ,
.help = N_("domain name, id or uuid")
},
{.name = "path",
.type = VSH_OT_DATA,
.flags = VSH_OFLAG_REQ,
.help = N_("fully-qualified path of disk")
},
{.name = "bandwidth",
.type = VSH_OT_DATA,
.flags = VSH_OFLAG_NONE,
.help = N_("bandwidth limit in MiB/s")
},
{.name = "base",
.type = VSH_OT_DATA,
.flags = VSH_OFLAG_NONE,
.help = N_("path of base file to commit into (default bottom of chain)")
},
{.name = "shallow",
.type = VSH_OT_BOOL,
.flags = 0,
.help = N_("use backing file of top as base")
},
{.name = "top",
.type = VSH_OT_DATA,
.flags = VSH_OFLAG_NONE,
.help = N_("path of top file to commit from (default top of chain)")
},
{.name = "delete",
.type = VSH_OT_BOOL,
.flags = 0,
.help = N_("delete files that were successfully committed")
},
{.name = "wait",
.type = VSH_OT_BOOL,
.flags = 0,
.help = N_("wait for job to complete")
},
{.name = "verbose",
.type = VSH_OT_BOOL,
.flags = 0,
.help = N_("with --wait, display the progress")
},
{.name = "timeout",
.type = VSH_OT_INT,
.flags = VSH_OFLAG_NONE,
.help = N_("with --wait, abort if copy exceeds timeout (in seconds)")
},
{.name = NULL}
};
static bool
cmdBlockCommit(vshControl *ctl, const vshCmd *cmd)
{
virDomainPtr dom = NULL;
bool ret = false;
bool blocking = vshCommandOptBool(cmd, "wait");
bool verbose = vshCommandOptBool(cmd, "verbose");
int timeout = 0;
struct sigaction sig_action;
struct sigaction old_sig_action;
sigset_t sigmask, oldsigmask;
struct timeval start;
struct timeval curr;
const char *path = NULL;
bool quit = false;
int abort_flags = 0;
if (blocking) {
if (vshCommandOptInt(cmd, "timeout", &timeout) > 0) {
if (timeout < 1) {
vshError(ctl, "%s", _("invalid timeout"));
return false;
}
/* Ensure that we can multiply by 1000 without overflowing. */
if (timeout > INT_MAX / 1000) {
vshError(ctl, "%s", _("timeout is too big"));
return false;
}
timeout *= 1000;
}
if (vshCommandOptString(cmd, "path", &path) < 0)
return false;
if (vshCommandOptBool(cmd, "async"))
abort_flags |= VIR_DOMAIN_BLOCK_JOB_ABORT_ASYNC;
sigemptyset(&sigmask);
sigaddset(&sigmask, SIGINT);
intCaught = 0;
sig_action.sa_sigaction = vshCatchInt;
sig_action.sa_flags = SA_SIGINFO;
sigemptyset(&sig_action.sa_mask);
sigaction(SIGINT, &sig_action, &old_sig_action);
GETTIMEOFDAY(&start);
} else if (verbose || vshCommandOptBool(cmd, "timeout") ||
vshCommandOptBool(cmd, "async")) {
vshError(ctl, "%s", _("missing --wait option"));
return false;
}
if (blockJobImpl(ctl, cmd, NULL, VSH_CMD_BLOCK_JOB_COMMIT, &dom) < 0)
goto cleanup;
if (!blocking) {
vshPrint(ctl, "%s", _("Block Commit started"));
ret = true;
goto cleanup;
}
while (blocking) {
virDomainBlockJobInfo info;
int result;
pthread_sigmask(SIG_BLOCK, &sigmask, &oldsigmask);
result = virDomainGetBlockJobInfo(dom, path, &info, 0);
pthread_sigmask(SIG_SETMASK, &oldsigmask, NULL);
if (result < 0) {
vshError(ctl, _("failed to query job for disk %s"), path);
goto cleanup;
}
if (result == 0)
break;
if (verbose)
print_job_progress(_("Block Commit"),
info.end - info.cur, info.end);
GETTIMEOFDAY(&curr);
if (intCaught || (timeout &&
(((int)(curr.tv_sec - start.tv_sec) * 1000 +
(int)(curr.tv_usec - start.tv_usec) / 1000) >
timeout))) {
vshDebug(ctl, VSH_ERR_DEBUG,
intCaught ? "interrupted" : "timeout");
intCaught = 0;
timeout = 0;
quit = true;
if (virDomainBlockJobAbort(dom, path, abort_flags) < 0) {
vshError(ctl, _("failed to abort job for disk %s"), path);
goto cleanup;
}
if (abort_flags & VIR_DOMAIN_BLOCK_JOB_ABORT_ASYNC)
break;
} else {
usleep(500 * 1000);
}
}
if (verbose && !quit) {
/* printf [100 %] */
print_job_progress(_("Block Commit"), 0, 1);
}
vshPrint(ctl, "\n%s", quit ? _("Commit aborted") : _("Commit complete"));
ret = true;
cleanup:
if (dom)
virDomainFree(dom);
if (blocking)
sigaction(SIGINT, &old_sig_action, NULL);
return ret;
}
/*
* "blockcopy" command
*/
static const vshCmdInfo info_block_copy[] = {
{"help", N_("Start a block copy operation.")},
{"desc", N_("Populate a disk from its backing image.")},
{NULL, NULL}
};
static const vshCmdOptDef opts_block_copy[] = {
{.name = "domain",
.type = VSH_OT_DATA,
.flags = VSH_OFLAG_REQ,
.help = N_("domain name, id or uuid")
},
{.name = "path",
.type = VSH_OT_DATA,
.flags = VSH_OFLAG_REQ,
.help = N_("fully-qualified path of disk")
},
{.name = "dest",
.type = VSH_OT_DATA,
.flags = VSH_OFLAG_REQ,
.help = N_("path of the copy to create")
},
{.name = "bandwidth",
.type = VSH_OT_DATA,
.flags = VSH_OFLAG_NONE,
.help = N_("bandwidth limit in MiB/s")
},
{.name = "shallow",
.type = VSH_OT_BOOL,
.flags = 0,
.help = N_("make the copy share a backing chain")
},
{.name = "reuse-external",
.type = VSH_OT_BOOL,
.flags = 0,
.help = N_("reuse existing destination")
},
{.name = "raw",
.type = VSH_OT_BOOL,
.flags = 0,
.help = N_("use raw destination file")
},
{.name = "wait",
.type = VSH_OT_BOOL,
.flags = 0,
.help = N_("wait for job to reach mirroring phase")
},
{.name = "verbose",
.type = VSH_OT_BOOL,
.flags = 0,
.help = N_("with --wait, display the progress")
},
{.name = "timeout",
.type = VSH_OT_INT,
.flags = VSH_OFLAG_NONE,
.help = N_("with --wait, abort if copy exceeds timeout (in seconds)")
},
{.name = "pivot",
.type = VSH_OT_BOOL,
.flags = 0,
.help = N_("with --wait, pivot when mirroring starts")
},
{.name = "finish",
.type = VSH_OT_BOOL,
.flags = 0,
.help = N_("with --wait, quit when mirroring starts")
},
{.name = "async",
.type = VSH_OT_BOOL,
.flags = 0,
.help = N_("with --wait, don't wait for cancel to finish")
},
{.name = NULL}
};
static bool
cmdBlockCopy(vshControl *ctl, const vshCmd *cmd)
{
virDomainPtr dom = NULL;
bool ret = false;
bool blocking = vshCommandOptBool(cmd, "wait");
bool verbose = vshCommandOptBool(cmd, "verbose");
bool pivot = vshCommandOptBool(cmd, "pivot");
bool finish = vshCommandOptBool(cmd, "finish");
int timeout = 0;
struct sigaction sig_action;
struct sigaction old_sig_action;
sigset_t sigmask, oldsigmask;
struct timeval start;
struct timeval curr;
const char *path = NULL;
bool quit = false;
int abort_flags = 0;
if (blocking) {
if (pivot && finish) {
vshError(ctl, "%s", _("cannot mix --pivot and --finish"));
return false;
}
if (vshCommandOptInt(cmd, "timeout", &timeout) > 0) {
if (timeout < 1) {
vshError(ctl, "%s", _("invalid timeout"));
return false;
}
/* Ensure that we can multiply by 1000 without overflowing. */
if (timeout > INT_MAX / 1000) {
vshError(ctl, "%s", _("timeout is too big"));
return false;
}
timeout *= 1000;
}
if (vshCommandOptString(cmd, "path", &path) < 0)
return false;
if (vshCommandOptBool(cmd, "async"))
abort_flags |= VIR_DOMAIN_BLOCK_JOB_ABORT_ASYNC;
sigemptyset(&sigmask);
sigaddset(&sigmask, SIGINT);
intCaught = 0;
sig_action.sa_sigaction = vshCatchInt;
sig_action.sa_flags = SA_SIGINFO;
sigemptyset(&sig_action.sa_mask);
sigaction(SIGINT, &sig_action, &old_sig_action);
GETTIMEOFDAY(&start);
} else if (verbose || vshCommandOptBool(cmd, "timeout") ||
vshCommandOptBool(cmd, "async") || pivot || finish) {
vshError(ctl, "%s", _("missing --wait option"));
return false;
}
if (blockJobImpl(ctl, cmd, NULL, VSH_CMD_BLOCK_JOB_COPY, &dom) < 0)
goto cleanup;
if (!blocking) {
vshPrint(ctl, "%s", _("Block Copy started"));
ret = true;
goto cleanup;
}
while (blocking) {
virDomainBlockJobInfo info;
int result;
pthread_sigmask(SIG_BLOCK, &sigmask, &oldsigmask);
result = virDomainGetBlockJobInfo(dom, path, &info, 0);
pthread_sigmask(SIG_SETMASK, &oldsigmask, NULL);
if (result <= 0) {
vshError(ctl, _("failed to query job for disk %s"), path);
goto cleanup;
}
if (verbose)
print_job_progress(_("Block Copy"), info.end - info.cur, info.end);
if (info.cur == info.end)
break;
GETTIMEOFDAY(&curr);
if (intCaught || (timeout &&
(((int)(curr.tv_sec - start.tv_sec) * 1000 +
(int)(curr.tv_usec - start.tv_usec) / 1000) >
timeout))) {
vshDebug(ctl, VSH_ERR_DEBUG,
intCaught ? "interrupted" : "timeout");
intCaught = 0;
timeout = 0;
quit = true;
if (virDomainBlockJobAbort(dom, path, abort_flags) < 0) {
vshError(ctl, _("failed to abort job for disk %s"), path);
goto cleanup;
}
if (abort_flags & VIR_DOMAIN_BLOCK_JOB_ABORT_ASYNC)
break;
} else {
usleep(500 * 1000);
}
}
if (pivot) {
abort_flags |= VIR_DOMAIN_BLOCK_JOB_ABORT_PIVOT;
if (virDomainBlockJobAbort(dom, path, abort_flags) < 0) {
vshError(ctl, _("failed to pivot job for disk %s"), path);
goto cleanup;
}
} else if (finish && virDomainBlockJobAbort(dom, path, abort_flags) < 0) {
vshError(ctl, _("failed to finish job for disk %s"), path);
goto cleanup;
}
vshPrint(ctl, "\n%s",
quit ? _("Copy aborted") :
pivot ? _("Successfully pivoted") :
finish ? _("Successfully copied") :
_("Now in mirroring phase"));
ret = true;
cleanup:
if (dom)
virDomainFree(dom);
if (blocking)
sigaction(SIGINT, &old_sig_action, NULL);
return ret;
}
/*
* "blockjob" command
*/
static const vshCmdInfo info_block_job[] = {
{"help", N_("Manage active block operations")},
{"desc", N_("Query, adjust speed, or cancel active block operations.")},
{NULL, NULL}
};
static const vshCmdOptDef opts_block_job[] = {
{.name = "domain",
.type = VSH_OT_DATA,
.flags = VSH_OFLAG_REQ,
.help = N_("domain name, id or uuid")
},
{.name = "path",
.type = VSH_OT_DATA,
.flags = VSH_OFLAG_REQ,
.help = N_("fully-qualified path of disk")
},
{.name = "abort",
.type = VSH_OT_BOOL,
.flags = VSH_OFLAG_NONE,
.help = N_("abort the active job on the specified disk")
},
{.name = "async",
.type = VSH_OT_BOOL,
.flags = VSH_OFLAG_NONE,
.help = N_("don't wait for --abort to complete")
},
{.name = "pivot",
.type = VSH_OT_BOOL,
.flags = VSH_OFLAG_NONE,
.help = N_("conclude and pivot a copy job")
},
{.name = "info",
.type = VSH_OT_BOOL,
.flags = VSH_OFLAG_NONE,
.help = N_("get active job information for the specified disk")
},
{.name = "bandwidth",
.type = VSH_OT_DATA,
.flags = VSH_OFLAG_NONE,
.help = N_("set the Bandwidth limit in MiB/s")
},
{.name = NULL}
};
static bool
cmdBlockJob(vshControl *ctl, const vshCmd *cmd)
{
int mode;
virDomainBlockJobInfo info;
const char *type;
int ret;
bool abortMode = (vshCommandOptBool(cmd, "abort") ||
vshCommandOptBool(cmd, "async") ||
vshCommandOptBool(cmd, "pivot"));
bool infoMode = vshCommandOptBool(cmd, "info");
bool bandwidth = vshCommandOptBool(cmd, "bandwidth");
if (abortMode + infoMode + bandwidth > 1) {
vshError(ctl, "%s",
_("conflict between --abort, --info, and --bandwidth modes"));
return false;
}
if (abortMode)
mode = VSH_CMD_BLOCK_JOB_ABORT;
else if (bandwidth)
mode = VSH_CMD_BLOCK_JOB_SPEED;
else
mode = VSH_CMD_BLOCK_JOB_INFO;
ret = blockJobImpl(ctl, cmd, &info, mode, NULL);
if (ret < 0)
return false;
if (ret == 0 || mode != VSH_CMD_BLOCK_JOB_INFO)
return true;
switch (info.type) {
case VIR_DOMAIN_BLOCK_JOB_TYPE_PULL:
type = _("Block Pull");
break;
case VIR_DOMAIN_BLOCK_JOB_TYPE_COPY:
type = _("Block Copy");
break;
default:
type = _("Unknown job");
break;
}
print_job_progress(type, info.end - info.cur, info.end);
if (info.bandwidth != 0)
vshPrint(ctl, _(" Bandwidth limit: %lu MiB/s\n"), info.bandwidth);
return true;
}
/*
* "blockpull" command
*/
static const vshCmdInfo info_block_pull[] = {
{"help", N_("Populate a disk from its backing image.")},
{"desc", N_("Populate a disk from its backing image.")},
{NULL, NULL}
};
static const vshCmdOptDef opts_block_pull[] = {
{.name = "domain",
.type = VSH_OT_DATA,
.flags = VSH_OFLAG_REQ,
.help = N_("domain name, id or uuid")
},
{.name = "path",
.type = VSH_OT_DATA,
.flags = VSH_OFLAG_REQ,
.help = N_("fully-qualified path of disk")
},
{.name = "bandwidth",
.type = VSH_OT_DATA,
.flags = VSH_OFLAG_NONE,
.help = N_("bandwidth limit in MiB/s")
},
{.name = "base",
.type = VSH_OT_DATA,
.flags = VSH_OFLAG_NONE,
.help = N_("path of backing file in chain for a partial pull")
},
{.name = "wait",
.type = VSH_OT_BOOL,
.flags = 0,
.help = N_("wait for job to finish")
},
{.name = "verbose",
.type = VSH_OT_BOOL,
.flags = 0,
.help = N_("with --wait, display the progress")
},
{.name = "timeout",
.type = VSH_OT_INT,
.flags = VSH_OFLAG_NONE,
.help = N_("with --wait, abort if pull exceeds timeout (in seconds)")
},
{.name = "async",
.type = VSH_OT_BOOL,
.flags = 0,
.help = N_("with --wait, don't wait for cancel to finish")
},
{.name = NULL}
};
static bool
cmdBlockPull(vshControl *ctl, const vshCmd *cmd)
{
virDomainPtr dom = NULL;
bool ret = false;
bool blocking = vshCommandOptBool(cmd, "wait");
bool verbose = vshCommandOptBool(cmd, "verbose");
int timeout = 0;
struct sigaction sig_action;
struct sigaction old_sig_action;
sigset_t sigmask, oldsigmask;
struct timeval start;
struct timeval curr;
const char *path = NULL;
bool quit = false;
int abort_flags = 0;
if (blocking) {
if (vshCommandOptInt(cmd, "timeout", &timeout) > 0) {
if (timeout < 1) {
vshError(ctl, "%s", _("invalid timeout"));
return false;
}
/* Ensure that we can multiply by 1000 without overflowing. */
if (timeout > INT_MAX / 1000) {
vshError(ctl, "%s", _("timeout is too big"));
return false;
}
timeout *= 1000;
}
if (vshCommandOptString(cmd, "path", &path) < 0)
return false;
if (vshCommandOptBool(cmd, "async"))
abort_flags |= VIR_DOMAIN_BLOCK_JOB_ABORT_ASYNC;
sigemptyset(&sigmask);
sigaddset(&sigmask, SIGINT);
intCaught = 0;
sig_action.sa_sigaction = vshCatchInt;
sig_action.sa_flags = SA_SIGINFO;
sigemptyset(&sig_action.sa_mask);
sigaction(SIGINT, &sig_action, &old_sig_action);
GETTIMEOFDAY(&start);
} else if (verbose || vshCommandOptBool(cmd, "timeout") ||
vshCommandOptBool(cmd, "async")) {
vshError(ctl, "%s", _("missing --wait option"));
return false;
}
if (blockJobImpl(ctl, cmd, NULL, VSH_CMD_BLOCK_JOB_PULL, &dom) < 0)
goto cleanup;
if (!blocking) {
vshPrint(ctl, "%s", _("Block Pull started"));
ret = true;
goto cleanup;
}
while (blocking) {
virDomainBlockJobInfo info;
int result;
pthread_sigmask(SIG_BLOCK, &sigmask, &oldsigmask);
result = virDomainGetBlockJobInfo(dom, path, &info, 0);
pthread_sigmask(SIG_SETMASK, &oldsigmask, NULL);
if (result < 0) {
vshError(ctl, _("failed to query job for disk %s"), path);
goto cleanup;
}
if (result == 0)
break;
if (verbose)
print_job_progress(_("Block Pull"), info.end - info.cur, info.end);
GETTIMEOFDAY(&curr);
if (intCaught || (timeout &&
(((int)(curr.tv_sec - start.tv_sec) * 1000 +
(int)(curr.tv_usec - start.tv_usec) / 1000) >
timeout))) {
vshDebug(ctl, VSH_ERR_DEBUG,
intCaught ? "interrupted" : "timeout");
intCaught = 0;
timeout = 0;
quit = true;
if (virDomainBlockJobAbort(dom, path, abort_flags) < 0) {
vshError(ctl, _("failed to abort job for disk %s"), path);
goto cleanup;
}
if (abort_flags & VIR_DOMAIN_BLOCK_JOB_ABORT_ASYNC)
break;
} else {
usleep(500 * 1000);
}
}
if (verbose && !quit) {
/* printf [100 %] */
print_job_progress(_("Block Pull"), 0, 1);
}
vshPrint(ctl, "\n%s", quit ? _("Pull aborted") : _("Pull complete"));
ret = true;
cleanup:
if (dom)
virDomainFree(dom);
if (blocking)
sigaction(SIGINT, &old_sig_action, NULL);
return ret;
}
/*
* "blockresize" command
*/
static const vshCmdInfo info_block_resize[] = {
{"help", N_("Resize block device of domain.")},
{"desc", N_("Resize block device of domain.")},
{NULL, NULL}
};
static const vshCmdOptDef opts_block_resize[] = {
{.name = "domain",
.type = VSH_OT_DATA,
.flags = VSH_OFLAG_REQ,
.help = N_("domain name, id or uuid")
},
{.name = "path",
.type = VSH_OT_DATA,
.flags = VSH_OFLAG_REQ,
.help = N_("Fully-qualified path of block device")
},
{.name = "size",
.type = VSH_OT_INT,
.flags = VSH_OFLAG_REQ,
.help = N_("New size of the block device, as scaled integer (default KiB)")
},
{.name = NULL}
};
static bool
cmdBlockResize(vshControl *ctl, const vshCmd *cmd)
{
virDomainPtr dom;
const char *path = NULL;
unsigned long long size = 0;
unsigned int flags = 0;
int ret = false;
if (vshCommandOptString(cmd, "path", (const char **) &path) < 0) {
vshError(ctl, "%s", _("Path must not be empty"));
return false;
}
if (vshCommandOptScaledInt(cmd, "size", &size, 1024, ULLONG_MAX) < 0) {
vshError(ctl, "%s", _("Unable to parse integer"));
return false;
}
/* Prefer the older interface of KiB. */
if (size % 1024 == 0)
size /= 1024;
else
flags |= VIR_DOMAIN_BLOCK_RESIZE_BYTES;
if (!(dom = vshCommandOptDomain(ctl, cmd, NULL)))
return false;
if (virDomainBlockResize(dom, path, size, flags) < 0) {
vshError(ctl, _("Failed to resize block device '%s'"), path);
} else {
vshPrint(ctl, _("Block device '%s' is resized"), path);
ret = true;
}
virDomainFree(dom);
return ret;
}
#ifndef WIN32
/*
* "console" command
*/
static const vshCmdInfo info_console[] = {
{"help", N_("connect to the guest console")},
{"desc",
N_("Connect the virtual serial console for the guest")},
{NULL, NULL}
};
static const vshCmdOptDef opts_console[] = {
{.name = "domain",
.type = VSH_OT_DATA,
.flags = VSH_OFLAG_REQ,
.help = N_("domain name, id or uuid")
},
{.name = "devname",
.type = VSH_OT_STRING,
.flags = 0,
.help = N_("character device name")
},
{.name = "force",
.type = VSH_OT_BOOL,
.flags = 0,
.help = N_("force console connection (disconnect already connected sessions)")
},
{.name = "safe",
.type = VSH_OT_BOOL,
.flags = 0,
.help = N_("only connect if safe console handling is supported")
},
{.name = NULL}
};
static bool
cmdRunConsole(vshControl *ctl, virDomainPtr dom,
const char *name,
unsigned int flags)
{
bool ret = false;
int state;
if ((state = vshDomainState(ctl, dom, NULL)) < 0) {
vshError(ctl, "%s", _("Unable to get domain status"));
goto cleanup;
}
if (state == VIR_DOMAIN_SHUTOFF) {
vshError(ctl, "%s", _("The domain is not running"));
goto cleanup;
}
if (!isatty(STDIN_FILENO)) {
vshError(ctl, "%s", _("Cannot run interactive console without a controlling TTY"));
goto cleanup;
}
vshPrintExtra(ctl, _("Connected to domain %s\n"), virDomainGetName(dom));
vshPrintExtra(ctl, _("Escape character is %s\n"), ctl->escapeChar);
fflush(stdout);
if (vshRunConsole(dom, name, ctl->escapeChar, flags) == 0)
ret = true;
cleanup:
return ret;
}
static bool
cmdConsole(vshControl *ctl, const vshCmd *cmd)
{
virDomainPtr dom;
bool ret = false;
bool force = vshCommandOptBool(cmd, "force");
bool safe = vshCommandOptBool(cmd, "safe");
unsigned int flags = 0;
const char *name = NULL;
if (!(dom = vshCommandOptDomain(ctl, cmd, NULL)))
return false;
if (vshCommandOptString(cmd, "devname", &name) < 0) {
vshError(ctl, "%s", _("Invalid devname"));
goto cleanup;
}
if (force)
flags |= VIR_DOMAIN_CONSOLE_FORCE;
if (safe)
flags |= VIR_DOMAIN_CONSOLE_SAFE;
ret = cmdRunConsole(ctl, dom, name, flags);
cleanup:
virDomainFree(dom);
return ret;
}
#endif /* WIN32 */
/* "domif-setlink" command
*/
static const vshCmdInfo info_domif_setlink[] = {
{"help", N_("set link state of a virtual interface")},
{"desc", N_("Set link state of a domain's virtual interface. This command wraps usage of update-device command.")},
{NULL,NULL}
};
static const vshCmdOptDef opts_domif_setlink[] = {
{.name = "domain",
.type = VSH_OT_DATA,
.flags = VSH_OFLAG_REQ,
.help = N_("domain name, id or uuid")
},
{.name = "interface",
.type = VSH_OT_DATA,
.flags = VSH_OFLAG_REQ,
.help = N_("interface device (MAC Address)")
},
{.name = "state",
.type = VSH_OT_DATA,
.flags = VSH_OFLAG_REQ,
.help = N_("new state of the device")
},
{.name = "persistent",
.type = VSH_OT_ALIAS,
.flags = 0,
.help = "config"
},
{.name = "config",
.type = VSH_OT_BOOL,
.flags = 0,
.help = N_("affect next boot")
},
{.name = NULL}
};
static bool
cmdDomIfSetLink(vshControl *ctl, const vshCmd *cmd)
{
virDomainPtr dom;
const char *iface;
const char *state;
const char *value;
const char *desc;
virMacAddr macaddr;
const char *element;
const char *attr;
bool config;
bool ret = false;
unsigned int flags = 0;
int i;
xmlDocPtr xml = NULL;
xmlXPathContextPtr ctxt = NULL;
xmlXPathObjectPtr obj = NULL;
xmlNodePtr cur = NULL;
xmlBufferPtr xml_buf = NULL;
if (!(dom = vshCommandOptDomain(ctl, cmd, NULL)))
return false;
if (vshCommandOptString(cmd, "interface", &iface) <= 0)
goto cleanup;
if (vshCommandOptString(cmd, "state", &state) <= 0)
goto cleanup;
config = vshCommandOptBool(cmd, "config");
if (STRNEQ(state, "up") && STRNEQ(state, "down")) {
vshError(ctl, _("invalid link state '%s'"), state);
goto cleanup;
}
/* get persistent or live description of network device */
desc = virDomainGetXMLDesc(dom, config ? VIR_DOMAIN_XML_INACTIVE : 0);
if (desc == NULL) {
vshError(ctl, _("Failed to get domain description xml"));
goto cleanup;
}
if (config)
flags = VIR_DOMAIN_AFFECT_CONFIG;
else
flags = VIR_DOMAIN_AFFECT_LIVE;
if (virDomainIsActive(dom) == 0)
flags = VIR_DOMAIN_AFFECT_CONFIG;
/* extract current network device description */
xml = virXMLParseStringCtxt(desc, _("(domain_definition)"), &ctxt);
VIR_FREE(desc);
if (!xml) {
vshError(ctl, _("Failed to parse domain description xml"));
goto cleanup;
}
obj = xmlXPathEval(BAD_CAST "/domain/devices/interface", ctxt);
if (obj == NULL || obj->type != XPATH_NODESET ||
obj->nodesetval == NULL || obj->nodesetval->nodeNr == 0) {
vshError(ctl, _("Failed to extract interface information or no interfaces found"));
goto cleanup;
}
if (virMacAddrParse(iface, &macaddr) == 0) {
element = "mac";
attr = "address";
} else {
element = "target";
attr = "dev";
}
/* find interface with matching mac addr */
for (i = 0; i < obj->nodesetval->nodeNr; i++) {
cur = obj->nodesetval->nodeTab[i]->children;
while (cur) {
if (cur->type == XML_ELEMENT_NODE &&
xmlStrEqual(cur->name, BAD_CAST element)) {
value = virXMLPropString(cur, attr);
if (STRCASEEQ(value, iface)) {
VIR_FREE(value);
goto hit;
}
VIR_FREE(value);
}
cur = cur->next;
}
}
vshError(ctl, _("interface (%s: %s) not found"), element, iface);
goto cleanup;
hit:
/* find and modify/add link state node */
/* try to find <link> element */
cur = obj->nodesetval->nodeTab[i]->children;
while (cur) {
if (cur->type == XML_ELEMENT_NODE &&
xmlStrEqual(cur->name, BAD_CAST "link")) {
/* found, just modify the property */
xmlSetProp(cur, BAD_CAST "state", BAD_CAST state);
break;
}
cur = cur->next;
}
if (!cur) {
/* element <link> not found, add one */
cur = xmlNewChild(obj->nodesetval->nodeTab[i],
NULL,
BAD_CAST "link",
NULL);
if (!cur)
goto cleanup;
if (xmlNewProp(cur, BAD_CAST "state", BAD_CAST state) == NULL)
goto cleanup;
}
xml_buf = xmlBufferCreate();
if (!xml_buf) {
vshError(ctl, _("Failed to allocate memory"));
goto cleanup;
}
if (xmlNodeDump(xml_buf, xml, obj->nodesetval->nodeTab[i], 0, 0) < 0) {
vshError(ctl, _("Failed to create XML"));
goto cleanup;
}
if (virDomainUpdateDeviceFlags(dom, (char *)xmlBufferContent(xml_buf), flags) < 0) {
vshError(ctl, _("Failed to update interface link state"));
goto cleanup;
} else {
vshPrint(ctl, "%s", _("Device updated successfully\n"));
ret = true;
}
cleanup:
xmlXPathFreeObject(obj);
xmlXPathFreeContext(ctxt);
xmlFreeDoc(xml);
xmlBufferFree(xml_buf);
if (dom)
virDomainFree(dom);
return ret;
}
/* "domiftune" command
*/
static const vshCmdInfo info_domiftune[] = {
{"help", N_("get/set parameters of a virtual interface")},
{"desc", N_("Get/set parameters of a domain's virtual interface.")},
{NULL,NULL}
};
static const vshCmdOptDef opts_domiftune[] = {
{.name = "domain",
.type = VSH_OT_DATA,
.flags = VSH_OFLAG_REQ,
.help = N_("domain name, id or uuid")
},
{.name = "interface",
.type = VSH_OT_DATA,
.flags = VSH_OFLAG_REQ,
.help = N_("interface device (MAC Address)")
},
{.name = "inbound",
.type = VSH_OT_DATA,
.flags = VSH_OFLAG_NONE,
.help = N_("control domain's incoming traffics")
},
{.name = "outbound",
.type = VSH_OT_DATA,
.flags = VSH_OFLAG_NONE,
.help = N_("control domain's outgoing traffics")
},
{.name = "config",
.type = VSH_OT_BOOL,
.flags = VSH_OFLAG_NONE,
.help = N_("affect next boot")
},
{.name = "live",
.type = VSH_OT_BOOL,
.flags = VSH_OFLAG_NONE,
.help = N_("affect running domain")
},
{.name = "current",
.type = VSH_OT_BOOL,
.flags = VSH_OFLAG_NONE,
.help = N_("affect current domain")
},
{.name = NULL}
};
static bool
cmdDomIftune(vshControl *ctl, const vshCmd *cmd)
{
virDomainPtr dom;
const char *name = NULL, *device = NULL,
*inboundStr = NULL, *outboundStr = NULL;
unsigned int flags = 0;
int nparams = 0;
int maxparams = 0;
virTypedParameterPtr params = NULL;
bool ret = false;
bool current = vshCommandOptBool(cmd, "current");
bool config = vshCommandOptBool(cmd, "config");
bool live = vshCommandOptBool(cmd, "live");
virNetDevBandwidthRate inbound, outbound;
int i;
if (current) {
if (live || config) {
vshError(ctl, "%s", _("--current must be specified exclusively"));
return false;
}
flags = VIR_DOMAIN_AFFECT_CURRENT;
} else {
if (config)
flags |= VIR_DOMAIN_AFFECT_CONFIG;
if (live)
flags |= VIR_DOMAIN_AFFECT_LIVE;
}
if (!(dom = vshCommandOptDomain(ctl, cmd, &name)))
return false;
if (vshCommandOptString(cmd, "interface", &device) <= 0)
goto cleanup;
if (vshCommandOptString(cmd, "inbound", &inboundStr) < 0 ||
vshCommandOptString(cmd, "outbound", &outboundStr) < 0) {
vshError(ctl, "missing argument");
goto cleanup;
}
memset(&inbound, 0, sizeof(inbound));
memset(&outbound, 0, sizeof(outbound));
if (inboundStr) {
if (parseRateStr(inboundStr, &inbound) < 0) {
vshError(ctl, _("inbound format is incorrect"));
goto cleanup;
}
if (inbound.average == 0) {
vshError(ctl, _("inbound average is mandatory"));
goto cleanup;
}
if (virTypedParamsAddUInt(&params, &nparams, &maxparams,
VIR_DOMAIN_BANDWIDTH_IN_AVERAGE,
inbound.average) < 0)
goto save_error;
if (inbound.peak &&
virTypedParamsAddUInt(&params, &nparams, &maxparams,
VIR_DOMAIN_BANDWIDTH_IN_PEAK,
inbound.peak) < 0)
goto save_error;
if (inbound.burst &&
virTypedParamsAddUInt(&params, &nparams, &maxparams,
VIR_DOMAIN_BANDWIDTH_IN_BURST,
inbound.burst) < 0)
goto save_error;
}
if (outboundStr) {
if (parseRateStr(outboundStr, &outbound) < 0) {
vshError(ctl, _("outbound format is incorrect"));
goto cleanup;
}
if (outbound.average == 0) {
vshError(ctl, _("outbound average is mandatory"));
goto cleanup;
}
if (virTypedParamsAddUInt(&params, &nparams, &maxparams,
VIR_DOMAIN_BANDWIDTH_OUT_AVERAGE,
outbound.average) < 0)
goto save_error;
if (outbound.peak &&
virTypedParamsAddUInt(&params, &nparams, &maxparams,
VIR_DOMAIN_BANDWIDTH_OUT_PEAK,
outbound.peak) < 0)
goto save_error;
if (outbound.burst &&
virTypedParamsAddUInt(&params, &nparams, &maxparams,
VIR_DOMAIN_BANDWIDTH_OUT_BURST,
outbound.burst) < 0)
goto save_error;
}
if (nparams == 0) {
/* get the number of interface parameters */
if (virDomainGetInterfaceParameters(dom, device, NULL, &nparams, flags) != 0) {
vshError(ctl, "%s",
_("Unable to get number of interface parameters"));
goto cleanup;
}
if (nparams == 0) {
/* nothing to output */
ret = true;
goto cleanup;
}
/* get all interface parameters */
params = vshCalloc(ctl, nparams, sizeof(*params));
if (virDomainGetInterfaceParameters(dom, device, params, &nparams, flags) != 0) {
vshError(ctl, "%s", _("Unable to get interface parameters"));
goto cleanup;
}
for (i = 0; i < nparams; i++) {
char *str = vshGetTypedParamValue(ctl, &params[i]);
vshPrint(ctl, "%-15s: %s\n", params[i].field, str);
VIR_FREE(str);
}
} else {
if (virDomainSetInterfaceParameters(dom, device, params,
nparams, flags) != 0)
goto error;
}
ret = true;
cleanup:
virTypedParamsFree(params, nparams);
virDomainFree(dom);
return ret;
save_error:
vshSaveLibvirtError();
error:
vshError(ctl, "%s", _("Unable to set interface parameters"));
goto cleanup;
}
/*
* "suspend" command
*/
static const vshCmdInfo info_suspend[] = {
{"help", N_("suspend a domain")},
{"desc", N_("Suspend a running domain.")},
{NULL, NULL}
};
static const vshCmdOptDef opts_suspend[] = {
{.name = "domain",
.type = VSH_OT_DATA,
.flags = VSH_OFLAG_REQ,
.help = N_("domain name, id or uuid")
},
{.name = NULL}
};
static bool
cmdSuspend(vshControl *ctl, const vshCmd *cmd)
{
virDomainPtr dom;
const char *name;
bool ret = true;
if (!(dom = vshCommandOptDomain(ctl, cmd, &name)))
return false;
if (virDomainSuspend(dom) == 0) {
vshPrint(ctl, _("Domain %s suspended\n"), name);
} else {
vshError(ctl, _("Failed to suspend domain %s"), name);
ret = false;
}
virDomainFree(dom);
return ret;
}
/*
* "dompmsuspend" command
*/
static const vshCmdInfo info_dom_pm_suspend[] = {
{"help", N_("suspend a domain gracefully using power management "
"functions")},
{"desc", N_("Suspends a running domain using guest OS's power management. "
"(Note: This requires a guest agent configured and running in "
"the guest OS).")},
{NULL, NULL}
};
static const vshCmdOptDef opts_dom_pm_suspend[] = {
{.name = "domain",
.type = VSH_OT_DATA,
.flags = VSH_OFLAG_REQ,
.help = N_("domain name, id or uuid")
},
{.name = "duration",
.type = VSH_OT_INT,
.flags = VSH_OFLAG_REQ_OPT,
.help = N_("duration in seconds")
},
{.name = "target",
.type = VSH_OT_STRING,
.flags = VSH_OFLAG_REQ,
.help = N_("mem(Suspend-to-RAM), "
"disk(Suspend-to-Disk), "
"hybrid(Hybrid-Suspend)")
},
{.name = NULL}
};
static bool
cmdDomPMSuspend(vshControl *ctl, const vshCmd *cmd)
{
virDomainPtr dom;
const char *name;
bool ret = false;
const char *target = NULL;
unsigned int suspendTarget;
unsigned long long duration = 0;
if (!(dom = vshCommandOptDomain(ctl, cmd, &name)))
return false;
if (vshCommandOptULongLong(cmd, "duration", &duration) < 0) {
vshError(ctl, _("Invalid duration argument"));
goto cleanup;
}
if (vshCommandOptString(cmd, "target", &target) < 0) {
vshError(ctl, _("Invalid target argument"));
goto cleanup;
}
if (STREQ(target, "mem"))
suspendTarget = VIR_NODE_SUSPEND_TARGET_MEM;
else if (STREQ(target, "disk"))
suspendTarget = VIR_NODE_SUSPEND_TARGET_DISK;
else if (STREQ(target, "hybrid"))
suspendTarget = VIR_NODE_SUSPEND_TARGET_HYBRID;
else {
vshError(ctl, "%s", _("Invalid target"));
goto cleanup;
}
if (virDomainPMSuspendForDuration(dom, suspendTarget, duration, 0) < 0) {
vshError(ctl, _("Domain %s could not be suspended"),
virDomainGetName(dom));
goto cleanup;
}
vshPrint(ctl, _("Domain %s successfully suspended"),
virDomainGetName(dom));
ret = true;
cleanup:
virDomainFree(dom);
return ret;
}
/*
* "dompmwakeup" command
*/
static const vshCmdInfo info_dom_pm_wakeup[] = {
{"help", N_("wakeup a domain from pmsuspended state")},
{"desc", N_("Wakeup a domain that was previously suspended "
"by power management.")},
{NULL, NULL}
};
static const vshCmdOptDef opts_dom_pm_wakeup[] = {
{.name = "domain",
.type = VSH_OT_DATA,
.flags = VSH_OFLAG_REQ,
.help = N_("domain name, id or uuid")
},
{.name = NULL}
};
static bool
cmdDomPMWakeup(vshControl *ctl, const vshCmd *cmd)
{
virDomainPtr dom;
const char *name;
bool ret = false;
unsigned int flags = 0;
if (!(dom = vshCommandOptDomain(ctl, cmd, &name)))
return false;
if (virDomainPMWakeup(dom, flags) < 0) {
vshError(ctl, _("Domain %s could not be woken up"),
virDomainGetName(dom));
goto cleanup;
}
vshPrint(ctl, _("Domain %s successfully woken up"),
virDomainGetName(dom));
ret = true;
cleanup:
virDomainFree(dom);
return ret;
}
/*
* "undefine" command
*/
static const vshCmdInfo info_undefine[] = {
{"help", N_("undefine a domain")},
{"desc",
N_("Undefine an inactive domain, or convert persistent to transient.")},
{NULL, NULL}
};
static const vshCmdOptDef opts_undefine[] = {
{.name = "domain",
.type = VSH_OT_DATA,
.flags = VSH_OFLAG_REQ,
.help = N_("domain name or uuid")
},
{.name = "managed-save",
.type = VSH_OT_BOOL,
.flags = 0,
.help = N_("remove domain managed state file")
},
{.name = "storage",
.type = VSH_OT_DATA,
.flags = VSH_OFLAG_NONE,
.help = N_("remove associated storage volumes (comma separated list of "
"targets or source paths) (see domblklist)")
},
{.name = "remove-all-storage",
.type = VSH_OT_BOOL,
.flags = 0,
.help = N_("remove all associated storage volumes (use with caution)")
},
{.name = "wipe-storage",
.type = VSH_OT_BOOL,
.flags = VSH_OFLAG_NONE,
.help = N_("wipe data on the removed volumes")
},
{.name = "snapshots-metadata",
.type = VSH_OT_BOOL,
.flags = 0,
.help = N_("remove all domain snapshot metadata, if inactive")
},
{.name = NULL}
};
typedef struct {
virStorageVolPtr vol;
char *source;
char *target;
} vshUndefineVolume;
static bool
cmdUndefine(vshControl *ctl, const vshCmd *cmd)
{
virDomainPtr dom;
bool ret = false;
const char *name = NULL;
/* Flags to attempt. */
unsigned int flags = 0;
/* User-requested actions. */
bool managed_save = vshCommandOptBool(cmd, "managed-save");
bool snapshots_metadata = vshCommandOptBool(cmd, "snapshots-metadata");
bool wipe_storage = vshCommandOptBool(cmd, "wipe-storage");
bool remove_all_storage = vshCommandOptBool(cmd, "remove-all-storage");
/* Positive if these items exist. */
int has_managed_save = 0;
int has_snapshots_metadata = 0;
int has_snapshots = 0;
/* True if undefine will not strand data, even on older servers. */
bool managed_save_safe = false;
bool snapshots_safe = false;
int rc = -1;
int running;
/* list of volumes to remove along with this domain */
vshUndefineVolume *vlist = NULL;
int nvols = 0;
const char *volumes = NULL;
char **volume_tokens = NULL;
char *volume_tok = NULL;
int nvolume_tokens = 0;
char *def = NULL;
char *source = NULL;
char *target = NULL;
int vol_i;
int tok_i;
xmlDocPtr doc = NULL;
xmlXPathContextPtr ctxt = NULL;
xmlNodePtr *vol_nodes = NULL;
int nvolumes = 0;
bool vol_not_found = false;
ignore_value(vshCommandOptString(cmd, "storage", &volumes));
if (managed_save) {
flags |= VIR_DOMAIN_UNDEFINE_MANAGED_SAVE;
managed_save_safe = true;
}
if (snapshots_metadata) {
flags |= VIR_DOMAIN_UNDEFINE_SNAPSHOTS_METADATA;
snapshots_safe = true;
}
if (!(dom = vshCommandOptDomain(ctl, cmd, &name)))
return false;
/* Do some flag manipulation. The goal here is to disable bits
* from flags to reduce the likelihood of a server rejecting
* unknown flag bits, as well as to track conditions which are
* safe by default for the given hypervisor and server version. */
if ((running = virDomainIsActive(dom)) < 0)
goto error;
if (!running) {
/* Undefine with snapshots only fails for inactive domains,
* and managed save only exists on inactive domains; if
* running, then we don't want to remove anything. */
has_managed_save = virDomainHasManagedSaveImage(dom, 0);
if (has_managed_save < 0) {
if (last_error->code != VIR_ERR_NO_SUPPORT)
goto error;
vshResetLibvirtError();
has_managed_save = 0;
}
has_snapshots = virDomainSnapshotNum(dom, 0);
if (has_snapshots < 0) {
if (last_error->code != VIR_ERR_NO_SUPPORT)
goto error;
vshResetLibvirtError();
has_snapshots = 0;
}
if (has_snapshots) {
has_snapshots_metadata
= virDomainSnapshotNum(dom, VIR_DOMAIN_SNAPSHOT_LIST_METADATA);
if (has_snapshots_metadata < 0) {
/* The server did not know the new flag, assume that all
snapshots have metadata. */
vshResetLibvirtError();
has_snapshots_metadata = has_snapshots;
} else {
/* The server knew the new flag, all aspects of
* undefineFlags are safe. */
managed_save_safe = snapshots_safe = true;
}
}
}
if (!has_managed_save) {
flags &= ~VIR_DOMAIN_UNDEFINE_MANAGED_SAVE;
managed_save_safe = true;
}
if (has_snapshots == 0) {
snapshots_safe = true;
}
if (has_snapshots_metadata == 0) {
flags &= ~VIR_DOMAIN_UNDEFINE_SNAPSHOTS_METADATA;
snapshots_safe = true;
}
/* Stash domain description for later use */
if (volumes || remove_all_storage) {
if (running) {
vshError(ctl, _("Storage volume deletion is supported only on stopped domains"));
goto cleanup;
}
if (volumes && remove_all_storage) {
vshError(ctl, _("Specified both --storage and --remove-all-storage"));
goto cleanup;
}
if (!(def = virDomainGetXMLDesc(dom, 0))) {
vshError(ctl, _("Could not retrieve domain XML description"));
goto cleanup;
}
if (!(doc = virXMLParseStringCtxt(def, _("(domain_definition)"),
&ctxt)))
goto error;
/* tokenize the string from user and save it's parts into an array */
if (volumes) {
if ((nvolume_tokens = vshStringToArray(volumes, &volume_tokens)) < 0)
goto cleanup;
}
if ((nvolumes = virXPathNodeSet("./devices/disk", ctxt,
&vol_nodes)) < 0)
goto error;
if (nvolumes > 0)
vlist = vshCalloc(ctl, nvolumes, sizeof(*vlist));
for (vol_i = 0; vol_i < nvolumes; vol_i++) {
ctxt->node = vol_nodes[vol_i];
/* get volume source and target paths */
if (!(target = virXPathString("string(./target/@dev)", ctxt)))
goto error;
if (!(source = virXPathString("string("
"./source/@file|"
"./source/@dir|"
"./source/@name|"
"./source/@dev)", ctxt))) {
if (last_error && last_error->code != VIR_ERR_OK)
goto error;
else
continue;
}
/* lookup if volume was selected by user */
if (volumes) {
volume_tok = NULL;
for (tok_i = 0; tok_i < nvolume_tokens; tok_i++) {
if (volume_tokens[tok_i] &&
(STREQ(volume_tokens[tok_i], target) ||
STREQ(volume_tokens[tok_i], source))) {
volume_tok = volume_tokens[tok_i];
volume_tokens[tok_i] = NULL;
break;
}
}
if (!volume_tok)
continue;
}
if (!(vlist[nvols].vol = virStorageVolLookupByPath(ctl->conn,
source))) {
vshPrint(ctl,
_("Storage volume '%s'(%s) is not managed by libvirt. "
"Remove it manually.\n"), target, source);
vshResetLibvirtError();
continue;
}
vlist[nvols].source = source;
vlist[nvols].target = target;
nvols++;
}
/* print volumes specified by user that were not found in domain definition */
if (volumes) {
for (tok_i = 0; tok_i < nvolume_tokens; tok_i++) {
if (volume_tokens[tok_i]) {
vshError(ctl, _("Volume '%s' was not found in domain's "
"definition.\n"),
volume_tokens[tok_i]);
vol_not_found = true;
}
}
if (vol_not_found)
goto cleanup;
}
}
/* Generally we want to try the new API first. However, while
* virDomainUndefineFlags was introduced at the same time as
* VIR_DOMAIN_UNDEFINE_MANAGED_SAVE in 0.9.4, the
* VIR_DOMAIN_UNDEFINE_SNAPSHOTS_METADATA flag was not present
* until 0.9.5; skip to piecewise emulation if we couldn't prove
* above that the new API is safe. */
if (managed_save_safe && snapshots_safe) {
rc = virDomainUndefineFlags(dom, flags);
if (rc == 0 || (last_error->code != VIR_ERR_NO_SUPPORT &&
last_error->code != VIR_ERR_INVALID_ARG))
goto out;
vshResetLibvirtError();
}
/* The new API is unsupported or unsafe; fall back to doing things
* piecewise. */
if (has_managed_save) {
if (!managed_save) {
vshError(ctl, "%s",
_("Refusing to undefine while domain managed save "
"image exists"));
goto cleanup;
}
if (virDomainManagedSaveRemove(dom, 0) < 0) {
vshReportError(ctl);
goto cleanup;
}
}
/* No way to emulate deletion of just snapshot metadata
* without support for the newer flags. Oh well. */
if (has_snapshots_metadata) {
vshError(ctl,
snapshots_metadata ?
_("Unable to remove metadata of %d snapshots") :
_("Refusing to undefine while %d snapshots exist"),
has_snapshots_metadata);
goto cleanup;
}
rc = virDomainUndefine(dom);
out:
if (rc == 0) {
vshPrint(ctl, _("Domain %s has been undefined\n"), name);
ret = true;
} else {
vshError(ctl, _("Failed to undefine domain %s"), name);
goto cleanup;
}
/* try to undefine storage volumes associated with this domain, if it's requested */
if (nvols) {
for (vol_i = 0; vol_i < nvols; vol_i++) {
if (wipe_storage) {
vshPrint(ctl, _("Wiping volume '%s'(%s) ... "),
vlist[vol_i].target, vlist[vol_i].source);
fflush(stdout);
if (virStorageVolWipe(vlist[vol_i].vol, 0) < 0) {
vshError(ctl, _("Failed! Volume not removed."));
ret = false;
continue;
} else {
vshPrint(ctl, _("Done.\n"));
}
}
/* delete the volume */
if (virStorageVolDelete(vlist[vol_i].vol, 0) < 0) {
vshError(ctl, _("Failed to remove storage volume '%s'(%s)"),
vlist[vol_i].target, vlist[vol_i].source);
ret = false;
} else {
vshPrint(ctl, _("Volume '%s'(%s) removed.\n"),
vlist[vol_i].target, vlist[vol_i].source);
}
}
}
cleanup:
for (vol_i = 0; vol_i < nvols; vol_i++) {
VIR_FREE(vlist[vol_i].source);
VIR_FREE(vlist[vol_i].target);
if (vlist[vol_i].vol)
virStorageVolFree(vlist[vol_i].vol);
}
VIR_FREE(vlist);
if (volume_tokens) {
VIR_FREE(*volume_tokens);
VIR_FREE(volume_tokens);
}
VIR_FREE(def);
VIR_FREE(vol_nodes);
xmlFreeDoc(doc);
xmlXPathFreeContext(ctxt);
virDomainFree(dom);
return ret;
error:
vshReportError(ctl);
goto cleanup;
}
/*
* "start" command
*/
static const vshCmdInfo info_start[] = {
{"help", N_("start a (previously defined) inactive domain")},
{"desc", N_("Start a domain, either from the last managedsave\n"
" state, or via a fresh boot if no managedsave state\n"
" is present.")},
{NULL, NULL}
};
static const vshCmdOptDef opts_start[] = {
{.name = "domain",
.type = VSH_OT_DATA,
.flags = VSH_OFLAG_REQ,
.help = N_("name of the inactive domain")
},
#ifndef WIN32
{.name = "console",
.type = VSH_OT_BOOL,
.flags = 0,
.help = N_("attach to console after creation")
},
#endif
{.name = "paused",
.type = VSH_OT_BOOL,
.flags = 0,
.help = N_("leave the guest paused after creation")
},
{.name = "autodestroy",
.type = VSH_OT_BOOL,
.flags = 0,
.help = N_("automatically destroy the guest when virsh disconnects")
},
{.name = "bypass-cache",
.type = VSH_OT_BOOL,
.flags = 0,
.help = N_("avoid file system cache when loading")
},
{.name = "force-boot",
.type = VSH_OT_BOOL,
.flags = 0,
.help = N_("force fresh boot by discarding any managed save")
},
{.name = NULL}
};
static bool
cmdStart(vshControl *ctl, const vshCmd *cmd)
{
virDomainPtr dom;
bool ret = false;
#ifndef WIN32
bool console = vshCommandOptBool(cmd, "console");
#endif
unsigned int flags = VIR_DOMAIN_NONE;
int rc;
if (!(dom = vshCommandOptDomainBy(ctl, cmd, NULL,
VSH_BYNAME | VSH_BYUUID)))
return false;
if (virDomainGetID(dom) != (unsigned int)-1) {
vshError(ctl, "%s", _("Domain is already active"));
virDomainFree(dom);
return false;
}
if (vshCommandOptBool(cmd, "paused"))
flags |= VIR_DOMAIN_START_PAUSED;
if (vshCommandOptBool(cmd, "autodestroy"))
flags |= VIR_DOMAIN_START_AUTODESTROY;
if (vshCommandOptBool(cmd, "bypass-cache"))
flags |= VIR_DOMAIN_START_BYPASS_CACHE;
if (vshCommandOptBool(cmd, "force-boot"))
flags |= VIR_DOMAIN_START_FORCE_BOOT;
/* We can emulate force boot, even for older servers that reject it. */
if (flags & VIR_DOMAIN_START_FORCE_BOOT) {
if (virDomainCreateWithFlags(dom, flags) == 0)
goto started;
if (last_error->code != VIR_ERR_NO_SUPPORT &&
last_error->code != VIR_ERR_INVALID_ARG) {
vshReportError(ctl);
goto cleanup;
}
vshResetLibvirtError();
rc = virDomainHasManagedSaveImage(dom, 0);
if (rc < 0) {
/* No managed save image to remove */
vshResetLibvirtError();
} else if (rc > 0) {
if (virDomainManagedSaveRemove(dom, 0) < 0) {
vshReportError(ctl);
goto cleanup;
}
}
flags &= ~VIR_DOMAIN_START_FORCE_BOOT;
}
/* Prefer older API unless we have to pass a flag. */
if ((flags ? virDomainCreateWithFlags(dom, flags)
: virDomainCreate(dom)) < 0) {
vshError(ctl, _("Failed to start domain %s"), virDomainGetName(dom));
goto cleanup;
}
started:
vshPrint(ctl, _("Domain %s started\n"),
virDomainGetName(dom));
#ifndef WIN32
if (console && !cmdRunConsole(ctl, dom, NULL, 0))
goto cleanup;
#endif
ret = true;
cleanup:
virDomainFree(dom);
return ret;
}
/*
* "save" command
*/
static const vshCmdInfo info_save[] = {
{"help", N_("save a domain state to a file")},
{"desc", N_("Save the RAM state of a running domain.")},
{NULL, NULL}
};
static const vshCmdOptDef opts_save[] = {
{.name = "bypass-cache",
.type = VSH_OT_BOOL,
.flags = 0,
.help = N_("avoid file system cache when saving")
},
{.name = "domain",
.type = VSH_OT_DATA,
.flags = VSH_OFLAG_REQ,
.help = N_("domain name, id or uuid")
},
{.name = "file",
.type = VSH_OT_DATA,
.flags = VSH_OFLAG_REQ,
.help = N_("where to save the data")
},
{.name = "xml",
.type = VSH_OT_STRING,
.flags = 0,
.help = N_("filename containing updated XML for the target")
},
{.name = "running",
.type = VSH_OT_BOOL,
.flags = 0,
.help = N_("set domain to be running on restore")
},
{.name = "paused",
.type = VSH_OT_BOOL,
.flags = 0,
.help = N_("set domain to be paused on restore")
},
{.name = "verbose",
.type = VSH_OT_BOOL,
.flags = 0,
.help = N_("display the progress of save")
},
{.name = NULL}
};
static void
doSave(void *opaque)
{
vshCtrlData *data = opaque;
vshControl *ctl = data->ctl;
const vshCmd *cmd = data->cmd;
char ret = '1';
virDomainPtr dom = NULL;
const char *name = NULL;
const char *to = NULL;
unsigned int flags = 0;
const char *xmlfile = NULL;
char *xml = NULL;
sigset_t sigmask, oldsigmask;
sigemptyset(&sigmask);
sigaddset(&sigmask, SIGINT);
if (pthread_sigmask(SIG_BLOCK, &sigmask, &oldsigmask) < 0)
goto out_sig;
if (vshCommandOptString(cmd, "file", &to) <= 0)
goto out;
if (vshCommandOptBool(cmd, "bypass-cache"))
flags |= VIR_DOMAIN_SAVE_BYPASS_CACHE;
if (vshCommandOptBool(cmd, "running"))
flags |= VIR_DOMAIN_SAVE_RUNNING;
if (vshCommandOptBool(cmd, "paused"))
flags |= VIR_DOMAIN_SAVE_PAUSED;
if (vshCommandOptString(cmd, "xml", &xmlfile) < 0) {
vshError(ctl, "%s", _("malformed xml argument"));
goto out;
}
if (!(dom = vshCommandOptDomain(ctl, cmd, &name)))
goto out;
if (xmlfile &&
virFileReadAll(xmlfile, 8192, &xml) < 0) {
vshReportError(ctl);
goto out;
}
if (((flags || xml)
? virDomainSaveFlags(dom, to, xml, flags)
: virDomainSave(dom, to)) < 0) {
vshError(ctl, _("Failed to save domain %s to %s"), name, to);
goto out;
}
ret = '0';
out:
pthread_sigmask(SIG_SETMASK, &oldsigmask, NULL);
out_sig:
if (dom) virDomainFree(dom);
VIR_FREE(xml);
ignore_value(safewrite(data->writefd, &ret, sizeof(ret)));
}
typedef void (*jobWatchTimeoutFunc)(vshControl *ctl, virDomainPtr dom,
void *opaque);
static bool
vshWatchJob(vshControl *ctl,
virDomainPtr dom,
bool verbose,
int pipe_fd,
int timeout,
jobWatchTimeoutFunc timeout_func,
void *opaque,
const char *label)
{
struct sigaction sig_action;
struct sigaction old_sig_action;
struct pollfd pollfd;
struct timeval start, curr;
virDomainJobInfo jobinfo;
int ret = -1;
char retchar;
bool functionReturn = false;
sigset_t sigmask, oldsigmask;
sigemptyset(&sigmask);
sigaddset(&sigmask, SIGINT);
intCaught = 0;
sig_action.sa_sigaction = vshCatchInt;
sig_action.sa_flags = SA_SIGINFO;
sigemptyset(&sig_action.sa_mask);
sigaction(SIGINT, &sig_action, &old_sig_action);
pollfd.fd = pipe_fd;
pollfd.events = POLLIN;
pollfd.revents = 0;
GETTIMEOFDAY(&start);
while (1) {
repoll:
ret = poll(&pollfd, 1, 500);
if (ret > 0) {
if (pollfd.revents & POLLIN &&
saferead(pipe_fd, &retchar, sizeof(retchar)) > 0 &&
retchar == '0') {
if (verbose) {
/* print [100 %] */
print_job_progress(label, 0, 1);
}
break;
}
goto cleanup;
}
if (ret < 0) {
if (errno == EINTR) {
if (intCaught) {
virDomainAbortJob(dom);
intCaught = 0;
} else {
goto repoll;
}
}
goto cleanup;
}
GETTIMEOFDAY(&curr);
if (timeout && (((int)(curr.tv_sec - start.tv_sec) * 1000 +
(int)(curr.tv_usec - start.tv_usec) / 1000) >
timeout * 1000)) {
/* suspend the domain when migration timeouts. */
vshDebug(ctl, VSH_ERR_DEBUG, "%s timeout", label);
if (timeout_func)
(timeout_func)(ctl, dom, opaque);
timeout = 0;
}
if (verbose) {
pthread_sigmask(SIG_BLOCK, &sigmask, &oldsigmask);
ret = virDomainGetJobInfo(dom, &jobinfo);
pthread_sigmask(SIG_SETMASK, &oldsigmask, NULL);
if (ret == 0)
print_job_progress(label, jobinfo.dataRemaining,
jobinfo.dataTotal);
}
}
functionReturn = true;
cleanup:
sigaction(SIGINT, &old_sig_action, NULL);
return functionReturn;
}
static bool
cmdSave(vshControl *ctl, const vshCmd *cmd)
{
bool ret = false;
virDomainPtr dom = NULL;
int p[2] = {-1. -1};
virThread workerThread;
bool verbose = false;
vshCtrlData data;
const char *to = NULL;
const char *name = NULL;
if (!(dom = vshCommandOptDomain(ctl, cmd, &name)))
return false;
if (vshCommandOptString(cmd, "file", &to) <= 0)
goto cleanup;
if (vshCommandOptBool(cmd, "verbose"))
verbose = true;
if (pipe(p) < 0)
goto cleanup;
data.ctl = ctl;
data.cmd = cmd;
data.writefd = p[1];
if (virThreadCreate(&workerThread,
true,
doSave,
&data) < 0)
goto cleanup;
ret = vshWatchJob(ctl, dom, verbose, p[0], 0, NULL, NULL, _("Save"));
virThreadJoin(&workerThread);
if (ret)
vshPrint(ctl, _("\nDomain %s saved to %s\n"), name, to);
cleanup:
if (dom)
virDomainFree(dom);
return ret;
}
/*
* "save-image-dumpxml" command
*/
static const vshCmdInfo info_save_image_dumpxml[] = {
{"help", N_("saved state domain information in XML")},
{"desc",
N_("Dump XML of domain information for a saved state file to stdout.")},
{NULL, NULL}
};
static const vshCmdOptDef opts_save_image_dumpxml[] = {
{.name = "file",
.type = VSH_OT_DATA,
.flags = VSH_OFLAG_REQ,
.help = N_("saved state file to read")
},
{.name = "security-info",
.type = VSH_OT_BOOL,
.flags = 0,
.help = N_("include security sensitive information in XML dump")
},
{.name = NULL}
};
static bool
cmdSaveImageDumpxml(vshControl *ctl, const vshCmd *cmd)
{
const char *file = NULL;
bool ret = false;
unsigned int flags = 0;
char *xml = NULL;
if (vshCommandOptBool(cmd, "security-info"))
flags |= VIR_DOMAIN_XML_SECURE;
if (vshCommandOptString(cmd, "file", &file) <= 0)
return false;
xml = virDomainSaveImageGetXMLDesc(ctl->conn, file, flags);
if (!xml)
goto cleanup;
vshPrint(ctl, "%s", xml);
ret = true;
cleanup:
VIR_FREE(xml);
return ret;
}
/*
* "save-image-define" command
*/
static const vshCmdInfo info_save_image_define[] = {
{"help", N_("redefine the XML for a domain's saved state file")},
{"desc", N_("Replace the domain XML associated with a saved state file")},
{NULL, NULL}
};
static const vshCmdOptDef opts_save_image_define[] = {
{.name = "file",
.type = VSH_OT_DATA,
.flags = VSH_OFLAG_REQ,
.help = N_("saved state file to modify")
},
{.name = "xml",
.type = VSH_OT_STRING,
.flags = VSH_OFLAG_REQ,
.help = N_("filename containing updated XML for the target")
},
{.name = "running",
.type = VSH_OT_BOOL,
.flags = 0,
.help = N_("set domain to be running on restore")
},
{.name = "paused",
.type = VSH_OT_BOOL,
.flags = 0,
.help = N_("set domain to be paused on restore")
},
{.name = NULL}
};
static bool
cmdSaveImageDefine(vshControl *ctl, const vshCmd *cmd)
{
const char *file = NULL;
bool ret = false;
const char *xmlfile = NULL;
char *xml = NULL;
unsigned int flags = 0;
if (vshCommandOptBool(cmd, "running"))
flags |= VIR_DOMAIN_SAVE_RUNNING;
if (vshCommandOptBool(cmd, "paused"))
flags |= VIR_DOMAIN_SAVE_PAUSED;
if (vshCommandOptString(cmd, "file", &file) <= 0)
return false;
if (vshCommandOptString(cmd, "xml", &xmlfile) <= 0) {
vshError(ctl, "%s", _("malformed or missing xml argument"));
return false;
}
if (virFileReadAll(xmlfile, 8192, &xml) < 0)
goto cleanup;
if (virDomainSaveImageDefineXML(ctl->conn, file, xml, flags) < 0) {
vshError(ctl, _("Failed to update %s"), file);
goto cleanup;
}
vshPrint(ctl, _("State file %s updated.\n"), file);
ret = true;
cleanup:
VIR_FREE(xml);
return ret;
}
/*
* "save-image-edit" command
*/
static const vshCmdInfo info_save_image_edit[] = {
{"help", N_("edit XML for a domain's saved state file")},
{"desc", N_("Edit the domain XML associated with a saved state file")},
{NULL, NULL}
};
static const vshCmdOptDef opts_save_image_edit[] = {
{.name = "file",
.type = VSH_OT_DATA,
.flags = VSH_OFLAG_REQ,
.help = N_("saved state file to edit")
},
{.name = "running",
.type = VSH_OT_BOOL,
.flags = 0,
.help = N_("set domain to be running on restore")
},
{.name = "paused",
.type = VSH_OT_BOOL,
.flags = 0,
.help = N_("set domain to be paused on restore")
},
{.name = NULL}
};
static bool
cmdSaveImageEdit(vshControl *ctl, const vshCmd *cmd)
{
const char *file = NULL;
bool ret = false;
unsigned int getxml_flags = VIR_DOMAIN_XML_SECURE;
unsigned int define_flags = 0;
if (vshCommandOptBool(cmd, "running"))
define_flags |= VIR_DOMAIN_SAVE_RUNNING;
if (vshCommandOptBool(cmd, "paused"))
define_flags |= VIR_DOMAIN_SAVE_PAUSED;
/* Normally, we let the API reject mutually exclusive flags.
* However, in the edit cycle, we let the user retry if the define
* step fails, but the define step will always fail on invalid
* flags, so we reject it up front to avoid looping. */
if (define_flags == (VIR_DOMAIN_SAVE_RUNNING | VIR_DOMAIN_SAVE_PAUSED)) {
vshError(ctl, "%s", _("--running and --saved are mutually exclusive"));
return false;
}
if (vshCommandOptString(cmd, "file", &file) <= 0)
return false;
#define EDIT_GET_XML \
virDomainSaveImageGetXMLDesc(ctl->conn, file, getxml_flags)
#define EDIT_NOT_CHANGED \
vshPrint(ctl, _("Saved image %s XML configuration " \
"not changed.\n"), file); \
ret = true; goto edit_cleanup;
#define EDIT_DEFINE \
(virDomainSaveImageDefineXML(ctl->conn, file, doc_edited, define_flags) == 0)
#define EDIT_FREE /* */
#include "virsh-edit.c"
vshPrint(ctl, _("State file %s edited.\n"), file);
ret = true;
cleanup:
return ret;
}
/*
* "managedsave" command
*/
static const vshCmdInfo info_managedsave[] = {
{"help", N_("managed save of a domain state")},
{"desc", N_("Save and destroy a running domain, so it can be restarted from\n"
" the same state at a later time. When the virsh 'start'\n"
" command is next run for the domain, it will automatically\n"
" be started from this saved state.")},
{NULL, NULL}
};
static const vshCmdOptDef opts_managedsave[] = {
{.name = "bypass-cache",
.type = VSH_OT_BOOL,
.flags = 0,
.help = N_("avoid file system cache when saving")
},
{.name = "domain",
.type = VSH_OT_DATA,
.flags = VSH_OFLAG_REQ,
.help = N_("domain name, id or uuid")
},
{.name = "running",
.type = VSH_OT_BOOL,
.flags = 0,
.help = N_("set domain to be running on next start")
},
{.name = "paused",
.type = VSH_OT_BOOL,
.flags = 0,
.help = N_("set domain to be paused on next start")
},
{.name = "verbose",
.type = VSH_OT_BOOL,
.flags = 0,
.help = N_("display the progress of save")
},
{.name = NULL}
};
static void
doManagedsave(void *opaque)
{
char ret = '1';
vshCtrlData *data = opaque;
vshControl *ctl = data->ctl;
const vshCmd *cmd = data->cmd;
virDomainPtr dom = NULL;
const char *name;
unsigned int flags = 0;
sigset_t sigmask, oldsigmask;
sigemptyset(&sigmask);
sigaddset(&sigmask, SIGINT);
if (pthread_sigmask(SIG_BLOCK, &sigmask, &oldsigmask) < 0)
goto out_sig;
if (vshCommandOptBool(cmd, "bypass-cache"))
flags |= VIR_DOMAIN_SAVE_BYPASS_CACHE;
if (vshCommandOptBool(cmd, "running"))
flags |= VIR_DOMAIN_SAVE_RUNNING;
if (vshCommandOptBool(cmd, "paused"))
flags |= VIR_DOMAIN_SAVE_PAUSED;
if (!(dom = vshCommandOptDomain(ctl, cmd, &name)))
goto out;
if (virDomainManagedSave(dom, flags) < 0) {
vshError(ctl, _("Failed to save domain %s state"), name);
goto out;
}
ret = '0';
out:
pthread_sigmask(SIG_SETMASK, &oldsigmask, NULL);
out_sig:
if (dom)
virDomainFree(dom);
ignore_value(safewrite(data->writefd, &ret, sizeof(ret)));
}
static bool
cmdManagedSave(vshControl *ctl, const vshCmd *cmd)
{
virDomainPtr dom;
int p[2] = { -1, -1};
bool ret = false;
bool verbose = false;
const char *name = NULL;
vshCtrlData data;
virThread workerThread;
if (!(dom = vshCommandOptDomain(ctl, cmd, &name)))
return false;
if (vshCommandOptBool(cmd, "verbose"))
verbose = true;
if (pipe(p) < 0)
goto cleanup;
data.ctl = ctl;
data.cmd = cmd;
data.writefd = p[1];
if (virThreadCreate(&workerThread,
true,
doManagedsave,
&data) < 0)
goto cleanup;
ret = vshWatchJob(ctl, dom, verbose, p[0], 0,
NULL, NULL, _("Managedsave"));
virThreadJoin(&workerThread);
if (ret)
vshPrint(ctl, _("\nDomain %s state saved by libvirt\n"), name);
cleanup:
virDomainFree(dom);
VIR_FORCE_CLOSE(p[0]);
VIR_FORCE_CLOSE(p[1]);
return ret;
}
/*
* "managedsave-remove" command
*/
static const vshCmdInfo info_managedsaveremove[] = {
{"help", N_("Remove managed save of a domain")},
{"desc", N_("Remove an existing managed save state file from a domain")},
{NULL, NULL}
};
static const vshCmdOptDef opts_managedsaveremove[] = {
{.name = "domain",
.type = VSH_OT_DATA,
.flags = VSH_OFLAG_REQ,
.help = N_("domain name, id or uuid")
},
{.name = NULL}
};
static bool
cmdManagedSaveRemove(vshControl *ctl, const vshCmd *cmd)
{
virDomainPtr dom;
const char *name;
bool ret = false;
int hassave;
if (!(dom = vshCommandOptDomain(ctl, cmd, &name)))
return false;
hassave = virDomainHasManagedSaveImage(dom, 0);
if (hassave < 0) {
vshError(ctl, "%s", _("Failed to check for domain managed save image"));
goto cleanup;
}
if (hassave) {
if (virDomainManagedSaveRemove(dom, 0) < 0) {
vshError(ctl, _("Failed to remove managed save image for domain %s"),
name);
goto cleanup;
}
else
vshPrint(ctl, _("Removed managedsave image for domain %s"), name);
}
else
vshPrint(ctl, _("Domain %s has no manage save image; removal skipped"),
name);
ret = true;
cleanup:
virDomainFree(dom);
return ret;
}
/*
* "schedinfo" command
*/
static const vshCmdInfo info_schedinfo[] = {
{"help", N_("show/set scheduler parameters")},
{"desc", N_("Show/Set scheduler parameters.")},
{NULL, NULL}
};
static const vshCmdOptDef opts_schedinfo[] = {
{.name = "domain",
.type = VSH_OT_DATA,
.flags = VSH_OFLAG_REQ,
.help = N_("domain name, id or uuid")
},
{.name = "set",
.type = VSH_OT_STRING,
.flags = VSH_OFLAG_NONE,
.help = N_("parameter=value")
},
{.name = "weight",
.type = VSH_OT_INT,
.flags = VSH_OFLAG_NONE,
.help = N_("weight for XEN_CREDIT")
},
{.name = "cap",
.type = VSH_OT_INT,
.flags = VSH_OFLAG_NONE,
.help = N_("cap for XEN_CREDIT")
},
{.name = "current",
.type = VSH_OT_BOOL,
.flags = 0,
.help = N_("get/set current scheduler info")
},
{.name = "config",
.type = VSH_OT_BOOL,
.flags = 0,
.help = N_("get/set value to be used on next boot")
},
{.name = "live",
.type = VSH_OT_BOOL,
.flags = 0,
.help = N_("get/set value from running domain")
},
{.name = NULL}
};
static int
cmdSchedInfoUpdate(vshControl *ctl, const vshCmd *cmd,
virTypedParameterPtr src_params, int nsrc_params,
virTypedParameterPtr *update_params)
{
const char *set_arg;
char *set_field = NULL;
char *set_val = NULL;
virTypedParameterPtr param;
virTypedParameterPtr params = NULL;
int nparams = 0;
int maxparams = 0;
int ret = -1;
int rv;
int val;
int i;
if (vshCommandOptString(cmd, "set", &set_arg) > 0) {
set_field = vshStrdup(ctl, set_arg);
if (!(set_val = strchr(set_field, '='))) {
vshError(ctl, "%s", _("Invalid syntax for --set, expecting name=value"));
goto cleanup;
}
*set_val = '\0';
set_val++;
}
for (i = 0; i < nsrc_params; i++) {
param = &(src_params[i]);
/* Legacy 'weight' and 'cap' parameter */
if (param->type == VIR_TYPED_PARAM_UINT &&
(STREQ(param->field, "weight") || STREQ(param->field, "cap")) &&
(rv = vshCommandOptInt(cmd, param->field, &val)) != 0) {
if (rv < 0) {
vshError(ctl, _("Invalid value of %s"), param->field);
goto cleanup;
}
if (virTypedParamsAddUInt(&params, &nparams, &maxparams,
param->field, val) < 0) {
vshSaveLibvirtError();
goto cleanup;
}
continue;
}
if (set_field && STREQ(set_field, param->field)) {
if (virTypedParamsAddFromString(&params, &nparams, &maxparams,
set_field, param->type,
set_val) < 0) {
vshSaveLibvirtError();
goto cleanup;
}
continue;
}
}
*update_params = params;
ret = nparams;
params = NULL;
cleanup:
VIR_FREE(set_field);
virTypedParamsFree(params, nparams);
return ret;
}
static bool
cmdSchedinfo(vshControl *ctl, const vshCmd *cmd)
{
char *schedulertype;
virDomainPtr dom;
virTypedParameterPtr params = NULL;
virTypedParameterPtr updates = NULL;
int nparams = 0;
int nupdates = 0;
int i, ret;
bool ret_val = false;
unsigned int flags = 0;
bool current = vshCommandOptBool(cmd, "current");
bool config = vshCommandOptBool(cmd, "config");
bool live = vshCommandOptBool(cmd, "live");
if (current) {
if (live || config) {
vshError(ctl, "%s", _("--current must be specified exclusively"));
return false;
}
flags = VIR_DOMAIN_AFFECT_CURRENT;
} else {
if (config)
flags |= VIR_DOMAIN_AFFECT_CONFIG;
if (live)
flags |= VIR_DOMAIN_AFFECT_LIVE;
}
if (!(dom = vshCommandOptDomain(ctl, cmd, NULL)))
return false;
/* Print SchedulerType */
schedulertype = virDomainGetSchedulerType(dom, &nparams);
if (schedulertype != NULL) {
vshPrint(ctl, "%-15s: %s\n", _("Scheduler"), schedulertype);
VIR_FREE(schedulertype);
} else {
vshPrint(ctl, "%-15s: %s\n", _("Scheduler"), _("Unknown"));
goto cleanup;
}
if (nparams) {
params = vshMalloc(ctl, sizeof(*params) * nparams);
memset(params, 0, sizeof(*params) * nparams);
if (flags || current) {
/* We cannot query both live and config at once, so settle
on current in that case. If we are setting, then the
two values should match when we re-query; otherwise, we
report the error later. */
ret = virDomainGetSchedulerParametersFlags(dom, params, &nparams,
((live && config) ? 0
: flags));
} else {
ret = virDomainGetSchedulerParameters(dom, params, &nparams);
}
if (ret == -1)
goto cleanup;
/* See if any params are being set */
if ((nupdates = cmdSchedInfoUpdate(ctl, cmd, params, nparams,
&updates)) < 0)
goto cleanup;
/* Update parameters & refresh data */
if (nupdates > 0) {
if (flags || current)
ret = virDomainSetSchedulerParametersFlags(dom, updates,
nupdates, flags);
else
ret = virDomainSetSchedulerParameters(dom, updates, nupdates);
if (ret == -1)
goto cleanup;
if (flags || current)
ret = virDomainGetSchedulerParametersFlags(dom, params,
&nparams,
((live && config) ? 0
: flags));
else
ret = virDomainGetSchedulerParameters(dom, params, &nparams);
if (ret == -1)
goto cleanup;
} else {
/* See if we've tried to --set var=val. If so, the fact that
we reach this point (with update == 0) means that "var" did
not match any of the settable parameters. Report the error. */
const char *var_value_pair = NULL;
if (vshCommandOptString(cmd, "set", &var_value_pair) > 0) {
vshError(ctl, _("invalid scheduler option: %s"),
var_value_pair);
goto cleanup;
}
/* When not doing --set, --live and --config do not mix. */
if (live && config) {
vshError(ctl, "%s",
_("cannot query both live and config at once"));
goto cleanup;
}
}
ret_val = true;
for (i = 0; i < nparams; i++) {
char *str = vshGetTypedParamValue(ctl, &params[i]);
vshPrint(ctl, "%-15s: %s\n", params[i].field, str);
VIR_FREE(str);
}
}
cleanup:
virTypedParamsFree(params, nparams);
virTypedParamsFree(updates, nupdates);
virDomainFree(dom);
return ret_val;
}
/*
* "restore" command
*/
static const vshCmdInfo info_restore[] = {
{"help", N_("restore a domain from a saved state in a file")},
{"desc", N_("Restore a domain.")},
{NULL, NULL}
};
static const vshCmdOptDef opts_restore[] = {
{.name = "file",
.type = VSH_OT_DATA,
.flags = VSH_OFLAG_REQ,
.help = N_("the state to restore")
},
{.name = "bypass-cache",
.type = VSH_OT_BOOL,
.flags = 0,
.help = N_("avoid file system cache when restoring")
},
{.name = "xml",
.type = VSH_OT_STRING,
.flags = 0,
.help = N_("filename containing updated XML for the target")
},
{.name = "running",
.type = VSH_OT_BOOL,
.flags = 0,
.help = N_("restore domain into running state")
},
{.name = "paused",
.type = VSH_OT_BOOL,
.flags = 0,
.help = N_("restore domain into paused state")
},
{.name = NULL}
};
static bool
cmdRestore(vshControl *ctl, const vshCmd *cmd)
{
const char *from = NULL;
bool ret = false;
unsigned int flags = 0;
const char *xmlfile = NULL;
char *xml = NULL;
if (vshCommandOptString(cmd, "file", &from) <= 0)
return false;
if (vshCommandOptBool(cmd, "bypass-cache"))
flags |= VIR_DOMAIN_SAVE_BYPASS_CACHE;
if (vshCommandOptBool(cmd, "running"))
flags |= VIR_DOMAIN_SAVE_RUNNING;
if (vshCommandOptBool(cmd, "paused"))
flags |= VIR_DOMAIN_SAVE_PAUSED;
if (vshCommandOptString(cmd, "xml", &xmlfile) < 0) {
vshError(ctl, "%s", _("malformed xml argument"));
return false;
}
if (xmlfile &&
virFileReadAll(xmlfile, 8192, &xml) < 0)
goto cleanup;
if (((flags || xml)
? virDomainRestoreFlags(ctl->conn, from, xml, flags)
: virDomainRestore(ctl->conn, from)) < 0) {
vshError(ctl, _("Failed to restore domain from %s"), from);
goto cleanup;
}
vshPrint(ctl, _("Domain restored from %s\n"), from);
ret = true;
cleanup:
VIR_FREE(xml);
return ret;
}
/*
* "dump" command
*/
static const vshCmdInfo info_dump[] = {
{"help", N_("dump the core of a domain to a file for analysis")},
{"desc", N_("Core dump a domain.")},
{NULL, NULL}
};
static const vshCmdOptDef opts_dump[] = {
{.name = "live",
.type = VSH_OT_BOOL,
.flags = 0,
.help = N_("perform a live core dump if supported")
},
{.name = "crash",
.type = VSH_OT_BOOL,
.flags = 0,
.help = N_("crash the domain after core dump")
},
{.name = "bypass-cache",
.type = VSH_OT_BOOL,
.flags = 0,
.help = N_("avoid file system cache when saving")
},
{.name = "reset",
.type = VSH_OT_BOOL,
.flags = 0,
.help = N_("reset the domain after core dump")
},
{.name = "domain",
.type = VSH_OT_DATA,
.flags = VSH_OFLAG_REQ,
.help = N_("domain name, id or uuid")
},
{.name = "file",
.type = VSH_OT_DATA,
.flags = VSH_OFLAG_REQ,
.help = N_("where to dump the core")
},
{.name = "verbose",
.type = VSH_OT_BOOL,
.flags = 0,
.help = N_("display the progress of dump")
},
{.name = "memory-only",
.type = VSH_OT_BOOL,
.flags = 0,
.help = N_("dump domain's memory only")
},
{.name = NULL}
};
static void
doDump(void *opaque)
{
char ret = '1';
vshCtrlData *data = opaque;
vshControl *ctl = data->ctl;
const vshCmd *cmd = data->cmd;
virDomainPtr dom = NULL;
sigset_t sigmask, oldsigmask;
const char *name = NULL;
const char *to = NULL;
unsigned int flags = 0;
sigemptyset(&sigmask);
sigaddset(&sigmask, SIGINT);
if (pthread_sigmask(SIG_BLOCK, &sigmask, &oldsigmask) < 0)
goto out_sig;
if (vshCommandOptString(cmd, "file", &to) <= 0)
goto out;
if (!(dom = vshCommandOptDomain(ctl, cmd, &name)))
goto out;
if (vshCommandOptBool(cmd, "live"))
flags |= VIR_DUMP_LIVE;
if (vshCommandOptBool(cmd, "crash"))
flags |= VIR_DUMP_CRASH;
if (vshCommandOptBool(cmd, "bypass-cache"))
flags |= VIR_DUMP_BYPASS_CACHE;
if (vshCommandOptBool(cmd, "reset"))
flags |= VIR_DUMP_RESET;
if (vshCommandOptBool(cmd, "memory-only"))
flags |= VIR_DUMP_MEMORY_ONLY;
if (virDomainCoreDump(dom, to, flags) < 0) {
vshError(ctl, _("Failed to core dump domain %s to %s"), name, to);
goto out;
}
ret = '0';
out:
pthread_sigmask(SIG_SETMASK, &oldsigmask, NULL);
out_sig:
if (dom)
virDomainFree(dom);
ignore_value(safewrite(data->writefd, &ret, sizeof(ret)));
}
static bool
cmdDump(vshControl *ctl, const vshCmd *cmd)
{
virDomainPtr dom;
int p[2] = { -1, -1};
bool ret = false;
bool verbose = false;
const char *name = NULL;
const char *to = NULL;
vshCtrlData data;
virThread workerThread;
if (!(dom = vshCommandOptDomain(ctl, cmd, &name)))
return false;
if (vshCommandOptString(cmd, "file", &to) <= 0)
return false;
if (vshCommandOptBool(cmd, "verbose"))
verbose = true;
if (pipe(p) < 0)
goto cleanup;
data.ctl = ctl;
data.cmd = cmd;
data.writefd = p[1];
if (virThreadCreate(&workerThread,
true,
doDump,
&data) < 0)
goto cleanup;
ret = vshWatchJob(ctl, dom, verbose, p[0], 0, NULL, NULL, _("Dump"));
virThreadJoin(&workerThread);
if (ret)
vshPrint(ctl, _("\nDomain %s dumped to %s\n"), name, to);
cleanup:
virDomainFree(dom);
VIR_FORCE_CLOSE(p[0]);
VIR_FORCE_CLOSE(p[1]);
return ret;
}
static const vshCmdInfo info_screenshot[] = {
{"help", N_("take a screenshot of a current domain console and store it "
"into a file")},
{"desc", N_("screenshot of a current domain console")},
{NULL, NULL}
};
static const vshCmdOptDef opts_screenshot[] = {
{.name = "domain",
.type = VSH_OT_DATA,
.flags = VSH_OFLAG_REQ,
.help = N_("domain name, id or uuid")
},
{.name = "file",
.type = VSH_OT_DATA,
.flags = VSH_OFLAG_NONE,
.help = N_("where to store the screenshot")
},
{.name = "screen",
.type = VSH_OT_INT,
.flags = VSH_OFLAG_NONE,
.help = N_("ID of a screen to take screenshot of")
},
{.name = NULL}
};
/**
* Generate string: '<domain name>-<timestamp>[<extension>]'
*/
static char *
vshGenFileName(vshControl *ctl, virDomainPtr dom, const char *mime)
{
char timestr[100];
time_t cur_time;
struct tm time_info;
const char *ext = NULL;
char *ret = NULL;
if (!dom) {
vshError(ctl, "%s", _("Invalid domain supplied"));
return NULL;
}
if (STREQ(mime, "image/x-portable-pixmap"))
ext = ".ppm";
else if (STREQ(mime, "image/png"))
ext = ".png";
/* add mime type here */
time(&cur_time);
localtime_r(&cur_time, &time_info);
strftime(timestr, sizeof(timestr), "%Y-%m-%d-%H:%M:%S", &time_info);
if (virAsprintf(&ret, "%s-%s%s", virDomainGetName(dom),
timestr, ext ? ext : "") < 0) {
vshError(ctl, "%s", _("Out of memory"));
return NULL;
}
return ret;
}
static bool
cmdScreenshot(vshControl *ctl, const vshCmd *cmd)
{
virDomainPtr dom;
const char *name = NULL;
char *file = NULL;
int fd = -1;
virStreamPtr st = NULL;
unsigned int screen = 0;
unsigned int flags = 0; /* currently unused */
int ret = false;
bool created = false;
bool generated = false;
char *mime = NULL;
if (vshCommandOptString(cmd, "file", (const char **) &file) < 0) {
vshError(ctl, "%s", _("file must not be empty"));
return false;
}
if (vshCommandOptUInt(cmd, "screen", &screen) < 0) {
vshError(ctl, "%s", _("invalid screen ID"));
return false;
}
if (!(dom = vshCommandOptDomain(ctl, cmd, &name)))
return false;
st = virStreamNew(ctl->conn, 0);
mime = virDomainScreenshot(dom, st, screen, flags);
if (!mime) {
vshError(ctl, _("could not take a screenshot of %s"), name);
goto cleanup;
}
if (!file) {
if (!(file=vshGenFileName(ctl, dom, mime)))
return false;
generated = true;
}
if ((fd = open(file, O_WRONLY|O_CREAT|O_EXCL, 0666)) < 0) {
if (errno != EEXIST ||
(fd = open(file, O_WRONLY|O_TRUNC, 0666)) < 0) {
vshError(ctl, _("cannot create file %s"), file);
goto cleanup;
}
} else {
created = true;
}
if (virStreamRecvAll(st, vshStreamSink, &fd) < 0) {
vshError(ctl, _("could not receive data from domain %s"), name);
goto cleanup;
}
if (VIR_CLOSE(fd) < 0) {
vshError(ctl, _("cannot close file %s"), file);
goto cleanup;
}
if (virStreamFinish(st) < 0) {
vshError(ctl, _("cannot close stream on domain %s"), name);
goto cleanup;
}
vshPrint(ctl, _("Screenshot saved to %s, with type of %s"), file, mime);
ret = true;
cleanup:
if (!ret && created)
unlink(file);
if (generated)
VIR_FREE(file);
virDomainFree(dom);
if (st)
virStreamFree(st);
VIR_FORCE_CLOSE(fd);
VIR_FREE(mime);
return ret;
}
/*
* "resume" command
*/
static const vshCmdInfo info_resume[] = {
{"help", N_("resume a domain")},
{"desc", N_("Resume a previously suspended domain.")},
{NULL, NULL}
};
static const vshCmdOptDef opts_resume[] = {
{.name = "domain",
.type = VSH_OT_DATA,
.flags = VSH_OFLAG_REQ,
.help = N_("domain name, id or uuid")
},
{.name = NULL}
};
static bool
cmdResume(vshControl *ctl, const vshCmd *cmd)
{
virDomainPtr dom;
bool ret = true;
const char *name;
if (!(dom = vshCommandOptDomain(ctl, cmd, &name)))
return false;
if (virDomainResume(dom) == 0) {
vshPrint(ctl, _("Domain %s resumed\n"), name);
} else {
vshError(ctl, _("Failed to resume domain %s"), name);
ret = false;
}
virDomainFree(dom);
return ret;
}
/*
* "shutdown" command
*/
static const vshCmdInfo info_shutdown[] = {
{"help", N_("gracefully shutdown a domain")},
{"desc", N_("Run shutdown in the target domain.")},
{NULL, NULL}
};
static const vshCmdOptDef opts_shutdown[] = {
{.name = "domain",
.type = VSH_OT_DATA,
.flags = VSH_OFLAG_REQ,
.help = N_("domain name, id or uuid")
},
{.name = "mode",
.type = VSH_OT_STRING,
.flags = VSH_OFLAG_NONE,
.help = N_("shutdown mode: acpi|agent")
},
{.name = NULL}
};
static bool
cmdShutdown(vshControl *ctl, const vshCmd *cmd)
{
virDomainPtr dom = NULL;
bool ret = false;
const char *name;
const char *mode = NULL;
int flags = 0;
int rv;
char **modes = NULL, **tmp;
if (vshCommandOptString(cmd, "mode", &mode) < 0) {
vshError(ctl, "%s", _("Invalid type"));
return false;
}
if (mode && !(modes = virStringSplit(mode, ",", 0))) {
vshError(ctl, "%s", _("Cannot parse mode string"));
return false;
}
tmp = modes;
while (tmp && *tmp) {
mode = *tmp;
if (STREQ(mode, "acpi")) {
flags |= VIR_DOMAIN_SHUTDOWN_ACPI_POWER_BTN;
} else if (STREQ(mode, "agent")) {
flags |= VIR_DOMAIN_SHUTDOWN_GUEST_AGENT;
} else if (STREQ(mode, "initctl")) {
flags |= VIR_DOMAIN_SHUTDOWN_INITCTL;
} else if (STREQ(mode, "signal")) {
flags |= VIR_DOMAIN_SHUTDOWN_SIGNAL;
} else {
vshError(ctl, _("Unknown mode %s value, expecting "
"'acpi', 'agent', 'initctl' or 'signal'"), mode);
goto cleanup;
}
tmp++;
}
if (!(dom = vshCommandOptDomain(ctl, cmd, &name)))
goto cleanup;
if (flags)
rv = virDomainShutdownFlags(dom, flags);
else
rv = virDomainShutdown(dom);
if (rv == 0) {
vshPrint(ctl, _("Domain %s is being shutdown\n"), name);
} else {
vshError(ctl, _("Failed to shutdown domain %s"), name);
goto cleanup;
}
ret = true;
cleanup:
if (dom)
virDomainFree(dom);
virStringFreeList(modes);
return ret;
}
/*
* "reboot" command
*/
static const vshCmdInfo info_reboot[] = {
{"help", N_("reboot a domain")},
{"desc", N_("Run a reboot command in the target domain.")},
{NULL, NULL}
};
static const vshCmdOptDef opts_reboot[] = {
{.name = "domain",
.type = VSH_OT_DATA,
.flags = VSH_OFLAG_REQ,
.help = N_("domain name, id or uuid")
},
{.name = "mode",
.type = VSH_OT_STRING,
.flags = VSH_OFLAG_NONE,
.help = N_("shutdown mode: acpi|agent")
},
{.name = NULL}
};
static bool
cmdReboot(vshControl *ctl, const vshCmd *cmd)
{
virDomainPtr dom = NULL;
bool ret = false;
const char *name;
const char *mode = NULL;
int flags = 0;
char **modes = NULL, **tmp;
if (vshCommandOptString(cmd, "mode", &mode) < 0) {
vshError(ctl, "%s", _("Invalid type"));
return false;
}
if (mode && !(modes = virStringSplit(mode, ",", 0))) {
vshError(ctl, "%s", _("Cannot parse mode string"));
return false;
}
tmp = modes;
while (tmp && *tmp) {
mode = *tmp;
if (STREQ(mode, "acpi")) {
flags |= VIR_DOMAIN_REBOOT_ACPI_POWER_BTN;
} else if (STREQ(mode, "agent")) {
flags |= VIR_DOMAIN_REBOOT_GUEST_AGENT;
} else if (STREQ(mode, "initctl")) {
flags |= VIR_DOMAIN_REBOOT_INITCTL;
} else if (STREQ(mode, "signal")) {
flags |= VIR_DOMAIN_REBOOT_SIGNAL;
} else {
vshError(ctl, _("Unknown mode %s value, expecting "
"'acpi', 'agent', 'initctl' or 'signal'"), mode);
goto cleanup;
}
tmp++;
}
if (!(dom = vshCommandOptDomain(ctl, cmd, &name)))
goto cleanup;
if (virDomainReboot(dom, flags) == 0) {
vshPrint(ctl, _("Domain %s is being rebooted\n"), name);
} else {
vshError(ctl, _("Failed to reboot domain %s"), name);
goto cleanup;
}
ret = true;
cleanup:
if (dom)
virDomainFree(dom);
virStringFreeList(modes);
return ret;
}
/*
* "reset" command
*/
static const vshCmdInfo info_reset[] = {
{"help", N_("reset a domain")},
{"desc", N_("Reset the target domain as if by power button")},
{NULL, NULL}
};
static const vshCmdOptDef opts_reset[] = {
{.name = "domain",
.type = VSH_OT_DATA,
.flags = VSH_OFLAG_REQ,
.help = N_("domain name, id or uuid")
},
{.name = NULL}
};
static bool
cmdReset(vshControl *ctl, const vshCmd *cmd)
{
virDomainPtr dom;
bool ret = true;
const char *name;
if (!(dom = vshCommandOptDomain(ctl, cmd, &name)))
return false;
if (virDomainReset(dom, 0) == 0) {
vshPrint(ctl, _("Domain %s was reset\n"), name);
} else {
vshError(ctl, _("Failed to reset domain %s"), name);
ret = false;
}
virDomainFree(dom);
return ret;
}
/*
* "domjobinfo" command
*/
static const vshCmdInfo info_domjobinfo[] = {
{"help", N_("domain job information")},
{"desc", N_("Returns information about jobs running on a domain.")},
{NULL, NULL}
};
static const vshCmdOptDef opts_domjobinfo[] = {
{.name = "domain",
.type = VSH_OT_DATA,
.flags = VSH_OFLAG_REQ,
.help = N_("domain name, id or uuid")
},
{.name = NULL}
};
static bool
cmdDomjobinfo(vshControl *ctl, const vshCmd *cmd)
{
virDomainJobInfo info;
virDomainPtr dom;
bool ret = true;
if (!(dom = vshCommandOptDomain(ctl, cmd, NULL)))
return false;
if (virDomainGetJobInfo(dom, &info) == 0) {
const char *unit;
double val;
vshPrint(ctl, "%-17s ", _("Job type:"));
switch (info.type) {
case VIR_DOMAIN_JOB_BOUNDED:
vshPrint(ctl, "%-12s\n", _("Bounded"));
break;
case VIR_DOMAIN_JOB_UNBOUNDED:
vshPrint(ctl, "%-12s\n", _("Unbounded"));
break;
case VIR_DOMAIN_JOB_NONE:
default:
vshPrint(ctl, "%-12s\n", _("None"));
goto cleanup;
}
vshPrint(ctl, "%-17s %-12llu ms\n", _("Time elapsed:"), info.timeElapsed);
if (info.type == VIR_DOMAIN_JOB_BOUNDED)
vshPrint(ctl, "%-17s %-12llu ms\n", _("Time remaining:"), info.timeRemaining);
if (info.dataTotal || info.dataRemaining || info.dataProcessed) {
val = vshPrettyCapacity(info.dataProcessed, &unit);
vshPrint(ctl, "%-17s %-.3lf %s\n", _("Data processed:"), val, unit);
val = vshPrettyCapacity(info.dataRemaining, &unit);
vshPrint(ctl, "%-17s %-.3lf %s\n", _("Data remaining:"), val, unit);
val = vshPrettyCapacity(info.dataTotal, &unit);
vshPrint(ctl, "%-17s %-.3lf %s\n", _("Data total:"), val, unit);
}
if (info.memTotal || info.memRemaining || info.memProcessed) {
val = vshPrettyCapacity(info.memProcessed, &unit);
vshPrint(ctl, "%-17s %-.3lf %s\n", _("Memory processed:"), val, unit);
val = vshPrettyCapacity(info.memRemaining, &unit);
vshPrint(ctl, "%-17s %-.3lf %s\n", _("Memory remaining:"), val, unit);
val = vshPrettyCapacity(info.memTotal, &unit);
vshPrint(ctl, "%-17s %-.3lf %s\n", _("Memory total:"), val, unit);
}
if (info.fileTotal || info.fileRemaining || info.fileProcessed) {
val = vshPrettyCapacity(info.fileProcessed, &unit);
vshPrint(ctl, "%-17s %-.3lf %s\n", _("File processed:"), val, unit);
val = vshPrettyCapacity(info.fileRemaining, &unit);
vshPrint(ctl, "%-17s %-.3lf %s\n", _("File remaining:"), val, unit);
val = vshPrettyCapacity(info.fileTotal, &unit);
vshPrint(ctl, "%-17s %-.3lf %s\n", _("File total:"), val, unit);
}
} else {
ret = false;
}
cleanup:
virDomainFree(dom);
return ret;
}
/*
* "domjobabort" command
*/
static const vshCmdInfo info_domjobabort[] = {
{"help", N_("abort active domain job")},
{"desc", N_("Aborts the currently running domain job")},
{NULL, NULL}
};
static const vshCmdOptDef opts_domjobabort[] = {
{.name = "domain",
.type = VSH_OT_DATA,
.flags = VSH_OFLAG_REQ,
.help = N_("domain name, id or uuid")
},
{.name = NULL}
};
static bool
cmdDomjobabort(vshControl *ctl, const vshCmd *cmd)
{
virDomainPtr dom;
bool ret = true;
if (!(dom = vshCommandOptDomain(ctl, cmd, NULL)))
return false;
if (virDomainAbortJob(dom) < 0)
ret = false;
virDomainFree(dom);
return ret;
}
/*
* "maxvcpus" command
*/
static const vshCmdInfo info_maxvcpus[] = {
{"help", N_("connection vcpu maximum")},
{"desc", N_("Show maximum number of virtual CPUs for guests on this connection.")},
{NULL, NULL}
};
static const vshCmdOptDef opts_maxvcpus[] = {
{.name = "type",
.type = VSH_OT_STRING,
.flags = 0,
.help = N_("domain type")
},
{.name = NULL}
};
static bool
cmdMaxvcpus(vshControl *ctl, const vshCmd *cmd)
{
const char *type = NULL;
int vcpus;
if (vshCommandOptString(cmd, "type", &type) < 0) {
vshError(ctl, "%s", _("Invalid type"));
return false;
}
vcpus = virConnectGetMaxVcpus(ctl->conn, type);
if (vcpus < 0)
return false;
vshPrint(ctl, "%d\n", vcpus);
return true;
}
/*
* "vcpucount" command
*/
static const vshCmdInfo info_vcpucount[] = {
{"help", N_("domain vcpu counts")},
{"desc", N_("Returns the number of virtual CPUs used by the domain.")},
{NULL, NULL}
};
static const vshCmdOptDef opts_vcpucount[] = {
{.name = "domain",
.type = VSH_OT_DATA,
.flags = VSH_OFLAG_REQ,
.help = N_("domain name, id or uuid")
},
{.name = "maximum",
.type = VSH_OT_BOOL,
.flags = 0,
.help = N_("get maximum cap on vcpus")
},
{.name = "active",
.type = VSH_OT_BOOL,
.flags = 0,
.help = N_("get number of currently active vcpus")
},
{.name = "live",
.type = VSH_OT_BOOL,
.flags = 0,
.help = N_("get value from running domain")
},
{.name = "config",
.type = VSH_OT_BOOL,
.flags = 0,
.help = N_("get value to be used on next boot")
},
{.name = "current",
.type = VSH_OT_BOOL,
.flags = 0,
.help = N_("get value according to current domain state")
},
{.name = NULL}
};
static bool
cmdVcpucount(vshControl *ctl, const vshCmd *cmd)
{
virDomainPtr dom;
bool ret = true;
bool maximum = vshCommandOptBool(cmd, "maximum");
bool active = vshCommandOptBool(cmd, "active");
bool config = vshCommandOptBool(cmd, "config");
bool live = vshCommandOptBool(cmd, "live");
bool current = vshCommandOptBool(cmd, "current");
bool all = maximum + active + current + config + live == 0;
int count;
/* We want one of each pair of mutually exclusive options; that
* is, use of flags requires exactly two options. We reject the
* use of more than 2 flags later on. */
if (maximum + active + current + config + live == 1) {
if (maximum || active) {
vshError(ctl,
_("when using --%s, one of --config, --live, or --current "
"must be specified"),
maximum ? "maximum" : "active");
} else {
vshError(ctl,
_("when using --%s, either --maximum or --active must be "
"specified"),
(current ? "current" : config ? "config" : "live"));
}
return false;
}
/* Backwards compatibility: prior to 0.9.4,
* VIR_DOMAIN_AFFECT_CURRENT was unsupported, and --current meant
* the opposite of --maximum. Translate the old '--current
* --live' into the new '--active --live', while treating the new
* '--maximum --current' correctly rather than rejecting it as
* '--maximum --active'. */
if (!maximum && !active && current) {
current = false;
active = true;
}
if (maximum && active) {
vshError(ctl, "%s",
_("--maximum and --active cannot both be specified"));
return false;
}
if (current + config + live > 1) {
vshError(ctl, "%s",
_("--config, --live, and --current are mutually exclusive"));
return false;
}
if (!(dom = vshCommandOptDomain(ctl, cmd, NULL)))
return false;
/* In all cases, try the new API first; if it fails because we are
* talking to an older client, generally we try a fallback API
* before giving up. --current requires the new API, since we
* don't know whether the domain is running or inactive. */
if (current) {
count = virDomainGetVcpusFlags(dom,
maximum ? VIR_DOMAIN_VCPU_MAXIMUM : 0);
if (count < 0) {
vshReportError(ctl);
ret = false;
} else {
vshPrint(ctl, "%d\n", count);
}
}
if (all || (maximum && config)) {
count = virDomainGetVcpusFlags(dom, (VIR_DOMAIN_VCPU_MAXIMUM |
VIR_DOMAIN_AFFECT_CONFIG));
if (count < 0 && (last_error->code == VIR_ERR_NO_SUPPORT
|| last_error->code == VIR_ERR_INVALID_ARG)) {
char *tmp;
char *xml = virDomainGetXMLDesc(dom, VIR_DOMAIN_XML_INACTIVE);
if (xml && (tmp = strstr(xml, "<vcpu"))) {
tmp = strchr(tmp, '>');
if (!tmp || virStrToLong_i(tmp + 1, &tmp, 10, &count) < 0)
count = -1;
}
vshResetLibvirtError();
VIR_FREE(xml);
}
if (count < 0) {
vshReportError(ctl);
ret = false;
} else if (all) {
vshPrint(ctl, "%-12s %-12s %3d\n", _("maximum"), _("config"),
count);
} else {
vshPrint(ctl, "%d\n", count);
}
vshResetLibvirtError();
}
if (all || (maximum && live)) {
count = virDomainGetVcpusFlags(dom, (VIR_DOMAIN_VCPU_MAXIMUM |
VIR_DOMAIN_AFFECT_LIVE));
if (count < 0 && (last_error->code == VIR_ERR_NO_SUPPORT
|| last_error->code == VIR_ERR_INVALID_ARG)) {
count = virDomainGetMaxVcpus(dom);
}
if (count < 0) {
vshReportError(ctl);
ret = false;
} else if (all) {
vshPrint(ctl, "%-12s %-12s %3d\n", _("maximum"), _("live"),
count);
} else {
vshPrint(ctl, "%d\n", count);
}
vshResetLibvirtError();
}
if (all || (active && config)) {
count = virDomainGetVcpusFlags(dom, VIR_DOMAIN_AFFECT_CONFIG);
if (count < 0 && (last_error->code == VIR_ERR_NO_SUPPORT
|| last_error->code == VIR_ERR_INVALID_ARG)) {
char *tmp, *end;
char *xml = virDomainGetXMLDesc(dom, VIR_DOMAIN_XML_INACTIVE);
if (xml && (tmp = strstr(xml, "<vcpu"))) {
end = strchr(tmp, '>');
if (end) {
*end = '\0';
tmp = strstr(tmp, "current=");
if (!tmp)
tmp = end + 1;
else {
tmp += strlen("current=");
tmp += *tmp == '\'' || *tmp == '"';
}
}
if (!tmp || virStrToLong_i(tmp, &tmp, 10, &count) < 0)
count = -1;
}
VIR_FREE(xml);
}
if (count < 0) {
vshReportError(ctl);
ret = false;
} else if (all) {
vshPrint(ctl, "%-12s %-12s %3d\n", _("current"), _("config"),
count);
} else {
vshPrint(ctl, "%d\n", count);
}
vshResetLibvirtError();
}
if (all || (active && live)) {
count = virDomainGetVcpusFlags(dom, VIR_DOMAIN_AFFECT_LIVE);
if (count < 0 && (last_error->code == VIR_ERR_NO_SUPPORT
|| last_error->code == VIR_ERR_INVALID_ARG)) {
virDomainInfo info;
if (virDomainGetInfo(dom, &info) == 0)
count = info.nrVirtCpu;
}
if (count < 0) {
vshReportError(ctl);
ret = false;
} else if (all) {
vshPrint(ctl, "%-12s %-12s %3d\n", _("current"), _("live"),
count);
} else {
vshPrint(ctl, "%d\n", count);
}
vshResetLibvirtError();
}
virDomainFree(dom);
return ret;
}
/*
* "vcpuinfo" command
*/
static const vshCmdInfo info_vcpuinfo[] = {
{"help", N_("detailed domain vcpu information")},
{"desc", N_("Returns basic information about the domain virtual CPUs.")},
{NULL, NULL}
};
static const vshCmdOptDef opts_vcpuinfo[] = {
{.name = "domain",
.type = VSH_OT_DATA,
.flags = VSH_OFLAG_REQ,
.help = N_("domain name, id or uuid")
},
{.name = NULL}
};
static bool
cmdVcpuinfo(vshControl *ctl, const vshCmd *cmd)
{
virDomainInfo info;
virDomainPtr dom;
virVcpuInfoPtr cpuinfo;
unsigned char *cpumaps;
int ncpus, maxcpu;
size_t cpumaplen;
bool ret = true;
int n, m;
if (!(dom = vshCommandOptDomain(ctl, cmd, NULL)))
return false;
if ((maxcpu = vshNodeGetCPUCount(ctl->conn)) < 0) {
virDomainFree(dom);
return false;
}
if (virDomainGetInfo(dom, &info) != 0) {
virDomainFree(dom);
return false;
}
cpuinfo = vshMalloc(ctl, sizeof(virVcpuInfo)*info.nrVirtCpu);
cpumaplen = VIR_CPU_MAPLEN(maxcpu);
cpumaps = vshMalloc(ctl, info.nrVirtCpu * cpumaplen);
if ((ncpus = virDomainGetVcpus(dom,
cpuinfo, info.nrVirtCpu,
cpumaps, cpumaplen)) >= 0) {
for (n = 0 ; n < ncpus ; n++) {
vshPrint(ctl, "%-15s %d\n", _("VCPU:"), n);
vshPrint(ctl, "%-15s %d\n", _("CPU:"), cpuinfo[n].cpu);
vshPrint(ctl, "%-15s %s\n", _("State:"),
_(vshDomainVcpuStateToString(cpuinfo[n].state)));
if (cpuinfo[n].cpuTime != 0) {
double cpuUsed = cpuinfo[n].cpuTime;
cpuUsed /= 1000000000.0;
vshPrint(ctl, "%-15s %.1lfs\n", _("CPU time:"), cpuUsed);
}
vshPrint(ctl, "%-15s ", _("CPU Affinity:"));
for (m = 0; m < maxcpu; m++) {
vshPrint(ctl, "%c", VIR_CPU_USABLE(cpumaps, cpumaplen, n, m) ? 'y' : '-');
}
vshPrint(ctl, "\n");
if (n < (ncpus - 1)) {
vshPrint(ctl, "\n");
}
}
} else {
if (info.state == VIR_DOMAIN_SHUTOFF &&
(ncpus = virDomainGetVcpuPinInfo(dom, info.nrVirtCpu,
cpumaps, cpumaplen,
VIR_DOMAIN_AFFECT_CONFIG)) >= 0) {
/* fallback plan to use virDomainGetVcpuPinInfo */
for (n = 0; n < ncpus; n++) {
vshPrint(ctl, "%-15s %d\n", _("VCPU:"), n);
vshPrint(ctl, "%-15s %s\n", _("CPU:"), _("N/A"));
vshPrint(ctl, "%-15s %s\n", _("State:"), _("N/A"));
vshPrint(ctl, "%-15s %s\n", _("CPU time"), _("N/A"));
vshPrint(ctl, "%-15s ", _("CPU Affinity:"));
for (m = 0; m < maxcpu; m++) {
vshPrint(ctl, "%c",
VIR_CPU_USABLE(cpumaps, cpumaplen, n, m) ? 'y' : '-');
}
vshPrint(ctl, "\n");
if (n < (ncpus - 1)) {
vshPrint(ctl, "\n");
}
}
} else {
ret = false;
}
}
VIR_FREE(cpumaps);
VIR_FREE(cpuinfo);
virDomainFree(dom);
return ret;
}
/*
* "vcpupin" command
*/
static const vshCmdInfo info_vcpupin[] = {
{"help", N_("control or query domain vcpu affinity")},
{"desc", N_("Pin domain VCPUs to host physical CPUs.")},
{NULL, NULL}
};
static const vshCmdOptDef opts_vcpupin[] = {
{.name = "domain",
.type = VSH_OT_DATA,
.flags = VSH_OFLAG_REQ,
.help = N_("domain name, id or uuid")
},
{.name = "vcpu",
.type = VSH_OT_INT,
.flags = 0,
.help = N_("vcpu number")
},
{.name = "cpulist",
.type = VSH_OT_DATA,
.flags = VSH_OFLAG_EMPTY_OK,
.help = N_("host cpu number(s) to set, or omit option to query")
},
{.name = "config",
.type = VSH_OT_BOOL,
.flags = 0,
.help = N_("affect next boot")
},
{.name = "live",
.type = VSH_OT_BOOL,
.flags = 0,
.help = N_("affect running domain")
},
{.name = "current",
.type = VSH_OT_BOOL,
.flags = 0,
.help = N_("affect current domain")
},
{.name = NULL}
};
/*
* Helper function to print vcpupin info.
*/
static bool
vshPrintPinInfo(unsigned char *cpumaps, size_t cpumaplen,
int maxcpu, int vcpuindex)
{
int cpu, lastcpu;
bool bit, lastbit, isInvert;
if (!cpumaps || cpumaplen <= 0 || maxcpu <= 0 || vcpuindex < 0) {
return false;
}
bit = lastbit = isInvert = false;
lastcpu = -1;
for (cpu = 0; cpu < maxcpu; cpu++) {
bit = VIR_CPU_USABLE(cpumaps, cpumaplen, vcpuindex, cpu);
isInvert = (bit ^ lastbit);
if (bit && isInvert) {
if (lastcpu == -1)
vshPrint(ctl, "%d", cpu);
else
vshPrint(ctl, ",%d", cpu);
lastcpu = cpu;
}
if (!bit && isInvert && lastcpu != cpu - 1)
vshPrint(ctl, "-%d", cpu - 1);
lastbit = bit;
}
if (bit && !isInvert) {
vshPrint(ctl, "-%d", maxcpu - 1);
}
return true;
}
static bool
cmdVcpuPin(vshControl *ctl, const vshCmd *cmd)
{
virDomainInfo info;
virDomainPtr dom;
int vcpu = -1;
const char *cpulist = NULL;
bool ret = true;
unsigned char *cpumap = NULL;
unsigned char *cpumaps = NULL;
size_t cpumaplen;
int i, cpu, lastcpu, maxcpu, ncpus;
bool unuse = false;
const char *cur;
bool config = vshCommandOptBool(cmd, "config");
bool live = vshCommandOptBool(cmd, "live");
bool current = vshCommandOptBool(cmd, "current");
bool query = false; /* Query mode if no cpulist */
unsigned int flags = 0;
if (current) {
if (live || config) {
vshError(ctl, "%s", _("--current must be specified exclusively"));
return false;
}
flags = VIR_DOMAIN_AFFECT_CURRENT;
} else {
if (config)
flags |= VIR_DOMAIN_AFFECT_CONFIG;
if (live)
flags |= VIR_DOMAIN_AFFECT_LIVE;
/* neither option is specified */
if (!live && !config)
flags = -1;
}
if (!(dom = vshCommandOptDomain(ctl, cmd, NULL)))
return false;
if (vshCommandOptString(cmd, "cpulist", &cpulist) < 0) {
vshError(ctl, "%s", _("vcpupin: Missing cpulist."));
virDomainFree(dom);
return false;
}
query = !cpulist;
/* In query mode, "vcpu" is optional */
if (vshCommandOptInt(cmd, "vcpu", &vcpu) < !query) {
vshError(ctl, "%s",
_("vcpupin: Invalid or missing vCPU number."));
virDomainFree(dom);
return false;
}
if ((maxcpu = vshNodeGetCPUCount(ctl->conn)) < 0) {
virDomainFree(dom);
return false;
}
if (virDomainGetInfo(dom, &info) != 0) {
vshError(ctl, "%s", _("vcpupin: failed to get domain information."));
virDomainFree(dom);
return false;
}
if (vcpu >= info.nrVirtCpu) {
vshError(ctl, "%s", _("vcpupin: Invalid vCPU number."));
virDomainFree(dom);
return false;
}
cpumaplen = VIR_CPU_MAPLEN(maxcpu);
/* Query mode: show CPU affinity information then exit.*/
if (query) {
/* When query mode and neither "live", "config" nor "current"
* is specified, set VIR_DOMAIN_AFFECT_CURRENT as flags */
if (flags == -1)
flags = VIR_DOMAIN_AFFECT_CURRENT;
cpumaps = vshMalloc(ctl, info.nrVirtCpu * cpumaplen);
if ((ncpus = virDomainGetVcpuPinInfo(dom, info.nrVirtCpu,
cpumaps, cpumaplen, flags)) >= 0) {
vshPrint(ctl, "%s %s\n", _("VCPU:"), _("CPU Affinity"));
vshPrint(ctl, "----------------------------------\n");
for (i = 0; i < ncpus; i++) {
if (vcpu != -1 && i != vcpu)
continue;
vshPrint(ctl, "%4d: ", i);
ret = vshPrintPinInfo(cpumaps, cpumaplen, maxcpu, i);
vshPrint(ctl, "\n");
if (!ret)
break;
}
} else {
ret = false;
}
VIR_FREE(cpumaps);
goto cleanup;
}
/* Pin mode: pinning specified vcpu to specified physical cpus*/
cpumap = vshCalloc(ctl, cpumaplen, sizeof(*cpumap));
/* Parse cpulist */
cur = cpulist;
if (*cur == 0) {
goto parse_error;
} else if (*cur == 'r') {
for (cpu = 0; cpu < maxcpu; cpu++)
VIR_USE_CPU(cpumap, cpu);
cur = "";
}
while (*cur != 0) {
/* the char '^' denotes exclusive */
if (*cur == '^') {
cur++;
unuse = true;
}
/* parse physical CPU number */
if (!c_isdigit(*cur))
goto parse_error;
cpu = virParseNumber(&cur);
if (cpu < 0) {
goto parse_error;
}
if (cpu >= maxcpu) {
vshError(ctl, _("Physical CPU %d doesn't exist."), cpu);
goto parse_error;
}
virSkipSpaces(&cur);
if (*cur == ',' || *cur == 0) {
if (unuse) {
VIR_UNUSE_CPU(cpumap, cpu);
} else {
VIR_USE_CPU(cpumap, cpu);
}
} else if (*cur == '-') {
/* the char '-' denotes range */
if (unuse) {
goto parse_error;
}
cur++;
virSkipSpaces(&cur);
/* parse the end of range */
lastcpu = virParseNumber(&cur);
if (lastcpu < cpu) {
goto parse_error;
}
if (lastcpu >= maxcpu) {
vshError(ctl, _("Physical CPU %d doesn't exist."), maxcpu);
goto parse_error;
}
for (i = cpu; i <= lastcpu; i++) {
VIR_USE_CPU(cpumap, i);
}
virSkipSpaces(&cur);
}
if (*cur == ',') {
cur++;
virSkipSpaces(&cur);
unuse = false;
} else if (*cur == 0) {
break;
} else {
goto parse_error;
}
}
if (flags == -1) {
if (virDomainPinVcpu(dom, vcpu, cpumap, cpumaplen) != 0) {
ret = false;
}
} else {
if (virDomainPinVcpuFlags(dom, vcpu, cpumap, cpumaplen, flags) != 0) {
ret = false;
}
}
cleanup:
VIR_FREE(cpumap);
virDomainFree(dom);
return ret;
parse_error:
vshError(ctl, "%s", _("cpulist: Invalid format."));
ret = false;
goto cleanup;
}
/*
* "emulatorpin" command
*/
static const vshCmdInfo info_emulatorpin[] = {
{"help", N_("control or query domain emulator affinity")},
{"desc", N_("Pin domain emulator threads to host physical CPUs.")},
{NULL, NULL}
};
static const vshCmdOptDef opts_emulatorpin[] = {
{.name = "domain",
.type = VSH_OT_DATA,
.flags = VSH_OFLAG_REQ,
.help = N_("domain name, id or uuid")
},
{.name = "cpulist",
.type = VSH_OT_DATA,
.flags = VSH_OFLAG_EMPTY_OK,
.help = N_("host cpu number(s) to set, or omit option to query")
},
{.name = "config",
.type = VSH_OT_BOOL,
.flags = 0,
.help = N_("affect next boot")
},
{.name = "live",
.type = VSH_OT_BOOL,
.flags = 0,
.help = N_("affect running domain")
},
{.name = "current",
.type = VSH_OT_BOOL,
.flags = 0,
.help = N_("affect current domain")
},
{.name = NULL}
};
static bool
cmdEmulatorPin(vshControl *ctl, const vshCmd *cmd)
{
virDomainPtr dom;
const char *cpulist = NULL;
bool ret = true;
unsigned char *cpumap = NULL;
unsigned char *cpumaps = NULL;
size_t cpumaplen;
int i, cpu, lastcpu, maxcpu;
bool unuse = false;
const char *cur;
bool config = vshCommandOptBool(cmd, "config");
bool live = vshCommandOptBool(cmd, "live");
bool current = vshCommandOptBool(cmd, "current");
bool query = false; /* Query mode if no cpulist */
unsigned int flags = 0;
if (current) {
if (live || config) {
vshError(ctl, "%s", _("--current must be specified exclusively"));
return false;
}
flags = VIR_DOMAIN_AFFECT_CURRENT;
} else {
if (config)
flags |= VIR_DOMAIN_AFFECT_CONFIG;
if (live)
flags |= VIR_DOMAIN_AFFECT_LIVE;
/* neither option is specified */
if (!live && !config)
flags = -1;
}
if (!(dom = vshCommandOptDomain(ctl, cmd, NULL)))
return false;
if (vshCommandOptString(cmd, "cpulist", &cpulist) < 0) {
vshError(ctl, "%s", _("emulatorpin: Missing cpulist."));
virDomainFree(dom);
return false;
}
query = !cpulist;
if ((maxcpu = vshNodeGetCPUCount(ctl->conn)) < 0) {
virDomainFree(dom);
return false;
}
cpumaplen = VIR_CPU_MAPLEN(maxcpu);
/* Query mode: show CPU affinity information then exit.*/
if (query) {
/* When query mode and neither "live", "config" nor "current"
* is specified, set VIR_DOMAIN_AFFECT_CURRENT as flags */
if (flags == -1)
flags = VIR_DOMAIN_AFFECT_CURRENT;
cpumaps = vshMalloc(ctl, cpumaplen);
if (virDomainGetEmulatorPinInfo(dom, cpumaps,
cpumaplen, flags) >= 0) {
vshPrint(ctl, "%s %s\n", _("emulator:"), _("CPU Affinity"));
vshPrint(ctl, "----------------------------------\n");
vshPrint(ctl, " *: ");
ret = vshPrintPinInfo(cpumaps, cpumaplen, maxcpu, 0);
vshPrint(ctl, "\n");
} else {
ret = false;
}
VIR_FREE(cpumaps);
goto cleanup;
}
/* Pin mode: pinning emulator threads to specified physical cpus*/
cpumap = vshCalloc(ctl, cpumaplen, sizeof(*cpumap));
/* Parse cpulist */
cur = cpulist;
if (*cur == 0) {
goto parse_error;
} else if (*cur == 'r') {
for (cpu = 0; cpu < maxcpu; cpu++)
VIR_USE_CPU(cpumap, cpu);
cur = "";
}
while (*cur != 0) {
/* the char '^' denotes exclusive */
if (*cur == '^') {
cur++;
unuse = true;
}
/* parse physical CPU number */
if (!c_isdigit(*cur))
goto parse_error;
cpu = virParseNumber(&cur);
if (cpu < 0) {
goto parse_error;
}
if (cpu >= maxcpu) {
vshError(ctl, _("Physical CPU %d doesn't exist."), cpu);
goto parse_error;
}
virSkipSpaces(&cur);
if (*cur == ',' || *cur == 0) {
if (unuse) {
VIR_UNUSE_CPU(cpumap, cpu);
} else {
VIR_USE_CPU(cpumap, cpu);
}
} else if (*cur == '-') {
/* the char '-' denotes range */
if (unuse) {
goto parse_error;
}
cur++;
virSkipSpaces(&cur);
/* parse the end of range */
lastcpu = virParseNumber(&cur);
if (lastcpu < cpu) {
goto parse_error;
}
if (lastcpu >= maxcpu) {
vshError(ctl, _("Physical CPU %d doesn't exist."), maxcpu);
goto parse_error;
}
for (i = cpu; i <= lastcpu; i++) {
VIR_USE_CPU(cpumap, i);
}
virSkipSpaces(&cur);
}
if (*cur == ',') {
cur++;
virSkipSpaces(&cur);
unuse = false;
} else if (*cur == 0) {
break;
} else {
goto parse_error;
}
}
if (flags == -1)
flags = VIR_DOMAIN_AFFECT_LIVE;
if (virDomainPinEmulator(dom, cpumap, cpumaplen, flags) != 0)
ret = false;
cleanup:
VIR_FREE(cpumap);
virDomainFree(dom);
return ret;
parse_error:
vshError(ctl, "%s", _("cpulist: Invalid format."));
ret = false;
goto cleanup;
}
/*
* "setvcpus" command
*/
static const vshCmdInfo info_setvcpus[] = {
{"help", N_("change number of virtual CPUs")},
{"desc", N_("Change the number of virtual CPUs in the guest domain.")},
{NULL, NULL}
};
static const vshCmdOptDef opts_setvcpus[] = {
{.name = "domain",
.type = VSH_OT_DATA,
.flags = VSH_OFLAG_REQ,
.help = N_("domain name, id or uuid")
},
{.name = "count",
.type = VSH_OT_INT,
.flags = VSH_OFLAG_REQ,
.help = N_("number of virtual CPUs")
},
{.name = "maximum",
.type = VSH_OT_BOOL,
.flags = 0,
.help = N_("set maximum limit on next boot")
},
{.name = "config",
.type = VSH_OT_BOOL,
.flags = 0,
.help = N_("affect next boot")
},
{.name = "live",
.type = VSH_OT_BOOL,
.flags = 0,
.help = N_("affect running domain")
},
{.name = "current",
.type = VSH_OT_BOOL,
.flags = 0,
.help = N_("affect current domain")
},
{.name = NULL}
};
static bool
cmdSetvcpus(vshControl *ctl, const vshCmd *cmd)
{
virDomainPtr dom;
int count = 0;
bool ret = true;
bool maximum = vshCommandOptBool(cmd, "maximum");
bool config = vshCommandOptBool(cmd, "config");
bool live = vshCommandOptBool(cmd, "live");
bool current = vshCommandOptBool(cmd, "current");
unsigned int flags = 0;
if (current) {
if (live || config) {
vshError(ctl, "%s", _("--current must be specified exclusively"));
return false;
}
flags = VIR_DOMAIN_AFFECT_CURRENT;
} else {
if (config)
flags |= VIR_DOMAIN_AFFECT_CONFIG;
if (live)
flags |= VIR_DOMAIN_AFFECT_LIVE;
/* neither option is specified */
if (!live && !config && !maximum)
flags = -1;
}
if (!(dom = vshCommandOptDomain(ctl, cmd, NULL)))
return false;
if (vshCommandOptInt(cmd, "count", &count) < 0 || count <= 0) {
vshError(ctl, "%s", _("Invalid number of virtual CPUs"));
goto cleanup;
}
if (flags == -1) {
if (virDomainSetVcpus(dom, count) != 0) {
ret = false;
}
} else {
/* If the --maximum flag was given, we need to ensure only the
--config flag is in effect as well */
if (maximum) {
vshDebug(ctl, VSH_ERR_DEBUG, "--maximum flag was given\n");
flags |= VIR_DOMAIN_VCPU_MAXIMUM;
/* If neither the --config nor --live flags were given, OR
if just the --live flag was given, we need to error out
warning the user that the --maximum flag can only be used
with the --config flag */
if (live || !config) {
/* Warn the user about the invalid flag combination */
vshError(ctl, _("--maximum must be used with --config only"));
ret = false;
goto cleanup;
}
}
/* Apply the virtual cpu changes */
if (virDomainSetVcpusFlags(dom, count, flags) < 0) {
ret = false;
}
}
cleanup:
virDomainFree(dom);
return ret;
}
/*
* "cpu-compare" command
*/
static const vshCmdInfo info_cpu_compare[] = {
{"help", N_("compare host CPU with a CPU described by an XML file")},
{"desc", N_("compare CPU with host CPU")},
{NULL, NULL}
};
static const vshCmdOptDef opts_cpu_compare[] = {
{.name = "file",
.type = VSH_OT_DATA,
.flags = VSH_OFLAG_REQ,
.help = N_("file containing an XML CPU description")
},
{.name = NULL}
};
static bool
cmdCPUCompare(vshControl *ctl, const vshCmd *cmd)
{
const char *from = NULL;
bool ret = false;
char *buffer;
int result;
const char *snippet;
xmlDocPtr xml = NULL;
xmlXPathContextPtr ctxt = NULL;
xmlBufferPtr xml_buf = NULL;
xmlNodePtr node;
if (vshCommandOptString(cmd, "file", &from) <= 0)
return false;
if (virFileReadAll(from, VSH_MAX_XML_FILE, &buffer) < 0) {
vshError(ctl, _("Failed to read file '%s' to compare"),
from);
return false;
}
/* try to extract the CPU element from as it would appear in a domain XML*/
if (!(xml = virXMLParseStringCtxt(buffer, from, &ctxt)))
goto cleanup;
if ((node = virXPathNode("/cpu|"
"/domain/cpu|"
"/capabilities/host/cpu", ctxt))) {
if (!(xml_buf = xmlBufferCreate())) {
vshError(ctl, _("Can't create XML buffer to extract CPU element."));
goto cleanup;
}
if (xmlNodeDump(xml_buf, xml, node, 0, 0) < 0) {
vshError(ctl, _("Failed to extract CPU element snippet from domain XML."));
goto cleanup;
}
snippet = (const char *) xmlBufferContent(xml_buf);
} else {
vshError(ctl, _("File '%s' does not contain a <cpu> element or is not "
"a valid domain or capabilities XML"), from);
goto cleanup;
}
result = virConnectCompareCPU(ctl->conn, snippet, 0);
switch (result) {
case VIR_CPU_COMPARE_INCOMPATIBLE:
vshPrint(ctl, _("CPU described in %s is incompatible with host CPU\n"),
from);
goto cleanup;
break;
case VIR_CPU_COMPARE_IDENTICAL:
vshPrint(ctl, _("CPU described in %s is identical to host CPU\n"),
from);
break;
case VIR_CPU_COMPARE_SUPERSET:
vshPrint(ctl, _("Host CPU is a superset of CPU described in %s\n"),
from);
break;
case VIR_CPU_COMPARE_ERROR:
default:
vshError(ctl, _("Failed to compare host CPU with %s"), from);
goto cleanup;
}
ret = true;
cleanup:
VIR_FREE(buffer);
xmlBufferFree(xml_buf);
xmlXPathFreeContext(ctxt);
xmlFreeDoc(xml);
return ret;
}
/*
* "cpu-baseline" command
*/
static const vshCmdInfo info_cpu_baseline[] = {
{"help", N_("compute baseline CPU")},
{"desc", N_("Compute baseline CPU for a set of given CPUs.")},
{NULL, NULL}
};
static const vshCmdOptDef opts_cpu_baseline[] = {
{.name = "file",
.type = VSH_OT_DATA,
.flags = VSH_OFLAG_REQ,
.help = N_("file containing XML CPU descriptions")
},
{.name = NULL}
};
static bool
cmdCPUBaseline(vshControl *ctl, const vshCmd *cmd)
{
const char *from = NULL;
bool ret = false;
char *buffer;
char *result = NULL;
const char **list = NULL;
int count = 0;
xmlDocPtr xml = NULL;
xmlNodePtr *node_list = NULL;
xmlXPathContextPtr ctxt = NULL;
xmlBufferPtr xml_buf = NULL;
virBuffer buf = VIR_BUFFER_INITIALIZER;
int i;
if (vshCommandOptString(cmd, "file", &from) <= 0)
return false;
if (virFileReadAll(from, VSH_MAX_XML_FILE, &buffer) < 0)
return false;
/* add a separate container around the xml */
virBufferStrcat(&buf, "<container>", buffer, "</container>", NULL);
if (virBufferError(&buf))
goto no_memory;
VIR_FREE(buffer);
buffer = virBufferContentAndReset(&buf);
if (!(xml = virXMLParseStringCtxt(buffer, from, &ctxt)))
goto cleanup;
if ((count = virXPathNodeSet("//cpu[not(ancestor::cpus)]",
ctxt, &node_list)) == -1)
goto cleanup;
if (count == 0) {
vshError(ctl, _("No host CPU specified in '%s'"), from);
goto cleanup;
}
list = vshCalloc(ctl, count, sizeof(const char *));
if (!(xml_buf = xmlBufferCreate()))
goto no_memory;
for (i = 0; i < count; i++) {
xmlBufferEmpty(xml_buf);
if (xmlNodeDump(xml_buf, xml, node_list[i], 0, 0) < 0) {
vshError(ctl, _("Failed to extract <cpu> element"));
goto cleanup;
}
list[i] = vshStrdup(ctl, (const char *)xmlBufferContent(xml_buf));
}
result = virConnectBaselineCPU(ctl->conn, list, count, 0);
if (result) {
vshPrint(ctl, "%s", result);
ret = true;
}
cleanup:
xmlXPathFreeContext(ctxt);
xmlFreeDoc(xml);
xmlBufferFree(xml_buf);
VIR_FREE(result);
if (list != NULL && count > 0) {
for (i = 0; i < count; i++)
VIR_FREE(list[i]);
}
VIR_FREE(list);
VIR_FREE(buffer);
return ret;
no_memory:
vshError(ctl, "%s", _("Out of memory"));
ret = false;
goto cleanup;
}
/*
* "cpu-stats" command
*/
static const vshCmdInfo info_cpu_stats[] = {
{"help", N_("show domain cpu statistics")},
{"desc",
N_("Display per-CPU and total statistics about the domain's CPUs")},
{NULL, NULL},
};
static const vshCmdOptDef opts_cpu_stats[] = {
{.name = "domain",
.type = VSH_OT_DATA,
.flags = VSH_OFLAG_REQ,
.help = N_("domain name, id or uuid")
},
{.name = "total",
.type = VSH_OT_BOOL,
.flags = 0,
.help = N_("Show total statistics only")
},
{.name = "start",
.type = VSH_OT_INT,
.flags = 0,
.help = N_("Show statistics from this CPU")
},
{.name = "count",
.type = VSH_OT_INT,
.flags = 0,
.help = N_("Number of shown CPUs at most")
},
{.name = NULL},
};
static bool
cmdCPUStats(vshControl *ctl, const vshCmd *cmd)
{
virDomainPtr dom;
virTypedParameterPtr params = NULL;
int i, j, pos, max_id, cpu = -1, show_count = -1, nparams;
bool show_total = false, show_per_cpu = false;
unsigned int flags = 0;
if (!(dom = vshCommandOptDomain(ctl, cmd, NULL)))
return false;
show_total = vshCommandOptBool(cmd, "total");
if (vshCommandOptInt(cmd, "start", &cpu) > 0)
show_per_cpu = true;
if (vshCommandOptInt(cmd, "count", &show_count) > 0)
show_per_cpu = true;
/* default show per_cpu and total */
if (!show_total && !show_per_cpu) {
show_total = true;
show_per_cpu = true;
}
if (!show_per_cpu) /* show total stats only */
goto do_show_total;
/* check cpu, show_count, and ignore wrong argument */
if (cpu < 0)
cpu = 0;
/* get number of cpus on the node */
if ((max_id = virDomainGetCPUStats(dom, NULL, 0, 0, 0, flags)) < 0)
goto failed_stats;
if (show_count < 0 || show_count > max_id)
show_count = max_id;
/* get percpu information */
if ((nparams = virDomainGetCPUStats(dom, NULL, 0, 0, 1, flags)) < 0)
goto failed_stats;
if (!nparams) {
vshPrint(ctl, "%s", _("No per-CPU stats available"));
goto do_show_total;
}
if (VIR_ALLOC_N(params, nparams * MIN(show_count, 128)) < 0)
goto failed_params;
while (show_count) {
int ncpus = MIN(show_count, 128);
if (virDomainGetCPUStats(dom, params, nparams, cpu, ncpus, flags) < 0)
goto failed_stats;
for (i = 0; i < ncpus; i++) {
if (params[i * nparams].type == 0) /* this cpu is not in the map */
continue;
vshPrint(ctl, "CPU%d:\n", cpu + i);
for (j = 0; j < nparams; j++) {
pos = i * nparams + j;
vshPrint(ctl, "\t%-12s ", params[pos].field);
if ((STREQ(params[pos].field, VIR_DOMAIN_CPU_STATS_CPUTIME) ||
STREQ(params[pos].field, VIR_DOMAIN_CPU_STATS_VCPUTIME)) &&
params[j].type == VIR_TYPED_PARAM_ULLONG) {
vshPrint(ctl, "%9lld.%09lld seconds\n",
params[pos].value.ul / 1000000000,
params[pos].value.ul % 1000000000);
} else {
const char *s = vshGetTypedParamValue(ctl, &params[pos]);
vshPrint(ctl, _("%s\n"), s);
VIR_FREE(s);
}
}
}
cpu += ncpus;
show_count -= ncpus;
virTypedParameterArrayClear(params, nparams * ncpus);
}
VIR_FREE(params);
do_show_total:
if (!show_total)
goto cleanup;
/* get supported num of parameter for total statistics */
if ((nparams = virDomainGetCPUStats(dom, NULL, 0, -1, 1, flags)) < 0)
goto failed_stats;
if (!nparams) {
vshPrint(ctl, "%s", _("No total stats available"));
goto cleanup;
}
if (VIR_ALLOC_N(params, nparams))
goto failed_params;
/* passing start_cpu == -1 gives us domain's total status */
if ((nparams = virDomainGetCPUStats(dom, params, nparams, -1, 1, flags)) < 0)
goto failed_stats;
vshPrint(ctl, _("Total:\n"));
for (i = 0; i < nparams; i++) {
vshPrint(ctl, "\t%-12s ", params[i].field);
if ((STREQ(params[i].field, VIR_DOMAIN_CPU_STATS_CPUTIME) ||
STREQ(params[i].field, VIR_DOMAIN_CPU_STATS_USERTIME) ||
STREQ(params[i].field, VIR_DOMAIN_CPU_STATS_SYSTEMTIME)) &&
params[i].type == VIR_TYPED_PARAM_ULLONG) {
vshPrint(ctl, "%9lld.%09lld seconds\n",
params[i].value.ul / 1000000000,
params[i].value.ul % 1000000000);
} else {
char *s = vshGetTypedParamValue(ctl, &params[i]);
vshPrint(ctl, "%s\n", s);
VIR_FREE(s);
}
}
virTypedParameterArrayClear(params, nparams);
VIR_FREE(params);
cleanup:
virDomainFree(dom);
return true;
failed_params:
virReportOOMError();
virDomainFree(dom);
return false;
failed_stats:
vshError(ctl, _("Failed to virDomainGetCPUStats()\n"));
VIR_FREE(params);
virDomainFree(dom);
return false;
}
/*
* "create" command
*/
static const vshCmdInfo info_create[] = {
{"help", N_("create a domain from an XML file")},
{"desc", N_("Create a domain.")},
{NULL, NULL}
};
static const vshCmdOptDef opts_create[] = {
{.name = "file",
.type = VSH_OT_DATA,
.flags = VSH_OFLAG_REQ,
.help = N_("file containing an XML domain description")
},
#ifndef WIN32
{.name = "console",
.type = VSH_OT_BOOL,
.flags = 0,
.help = N_("attach to console after creation")
},
#endif
{.name = "paused",
.type = VSH_OT_BOOL,
.flags = 0,
.help = N_("leave the guest paused after creation")
},
{.name = "autodestroy",
.type = VSH_OT_BOOL,
.flags = 0,
.help = N_("automatically destroy the guest when virsh disconnects")
},
{.name = NULL}
};
static bool
cmdCreate(vshControl *ctl, const vshCmd *cmd)
{
virDomainPtr dom;
const char *from = NULL;
bool ret = true;
char *buffer;
#ifndef WIN32
bool console = vshCommandOptBool(cmd, "console");
#endif
unsigned int flags = VIR_DOMAIN_NONE;
if (vshCommandOptString(cmd, "file", &from) <= 0)
return false;
if (virFileReadAll(from, VSH_MAX_XML_FILE, &buffer) < 0)
return false;
if (vshCommandOptBool(cmd, "paused"))
flags |= VIR_DOMAIN_START_PAUSED;
if (vshCommandOptBool(cmd, "autodestroy"))
flags |= VIR_DOMAIN_START_AUTODESTROY;
dom = virDomainCreateXML(ctl->conn, buffer, flags);
VIR_FREE(buffer);
if (dom != NULL) {
vshPrint(ctl, _("Domain %s created from %s\n"),
virDomainGetName(dom), from);
#ifndef WIN32
if (console)
cmdRunConsole(ctl, dom, NULL, 0);
#endif
virDomainFree(dom);
} else {
vshError(ctl, _("Failed to create domain from %s"), from);
ret = false;
}
return ret;
}
/*
* "define" command
*/
static const vshCmdInfo info_define[] = {
{"help", N_("define (but don't start) a domain from an XML file")},
{"desc", N_("Define a domain.")},
{NULL, NULL}
};
static const vshCmdOptDef opts_define[] = {
{.name = "file",
.type = VSH_OT_DATA,
.flags = VSH_OFLAG_REQ,
.help = N_("file containing an XML domain description")
},
{.name = NULL}
};
static bool
cmdDefine(vshControl *ctl, const vshCmd *cmd)
{
virDomainPtr dom;
const char *from = NULL;
bool ret = true;
char *buffer;
if (vshCommandOptString(cmd, "file", &from) <= 0)
return false;
if (virFileReadAll(from, VSH_MAX_XML_FILE, &buffer) < 0)
return false;
dom = virDomainDefineXML(ctl->conn, buffer);
VIR_FREE(buffer);
if (dom != NULL) {
vshPrint(ctl, _("Domain %s defined from %s\n"),
virDomainGetName(dom), from);
virDomainFree(dom);
} else {
vshError(ctl, _("Failed to define domain from %s"), from);
ret = false;
}
return ret;
}
/*
* "destroy" command
*/
static const vshCmdInfo info_destroy[] = {
{"help", N_("destroy (stop) a domain")},
{"desc",
N_("Forcefully stop a given domain, but leave its resources intact.")},
{NULL, NULL}
};
static const vshCmdOptDef opts_destroy[] = {
{.name = "domain",
.type = VSH_OT_DATA,
.flags = VSH_OFLAG_REQ,
.help = N_("domain name, id or uuid")
},
{.name = "graceful",
.type = VSH_OT_BOOL,
.flags = VSH_OFLAG_NONE,
.help = N_("terminate gracefully")
},
{.name = NULL}
};
static bool
cmdDestroy(vshControl *ctl, const vshCmd *cmd)
{
virDomainPtr dom;
bool ret = true;
const char *name;
unsigned int flags = 0;
int result;
if (!(dom = vshCommandOptDomain(ctl, cmd, &name)))
return false;
if (vshCommandOptBool(cmd, "graceful"))
flags |= VIR_DOMAIN_DESTROY_GRACEFUL;
if (flags)
result = virDomainDestroyFlags(dom, VIR_DOMAIN_DESTROY_GRACEFUL);
else
result = virDomainDestroy(dom);
if (result == 0) {
vshPrint(ctl, _("Domain %s destroyed\n"), name);
} else {
vshError(ctl, _("Failed to destroy domain %s"), name);
ret = false;
}
virDomainFree(dom);
return ret;
}
/*
* "desc" command for managing domain description and title
*/
static const vshCmdInfo info_desc[] = {
{"help", N_("show or set domain's description or title")},
{"desc", N_("Allows to show or modify description or title of a domain.")},
{NULL, NULL}
};
static const vshCmdOptDef opts_desc[] = {
{.name = "domain",
.type = VSH_OT_DATA,
.flags = VSH_OFLAG_REQ,
.help = N_("domain name, id or uuid")
},
{.name = "live",
.type = VSH_OT_BOOL,
.flags = 0,
.help = N_("modify/get running state")
},
{.name = "config",
.type = VSH_OT_BOOL,
.flags = 0,
.help = N_("modify/get persistent configuration")
},
{.name = "current",
.type = VSH_OT_BOOL,
.flags = 0,
.help = N_("modify/get current state configuration")
},
{.name = "title",
.type = VSH_OT_BOOL,
.flags = 0,
.help = N_("modify/get the title instead of description")
},
{.name = "edit",
.type = VSH_OT_BOOL,
.flags = 0,
.help = N_("open an editor to modify the description")
},
{.name = "new-desc",
.type = VSH_OT_ARGV,
.flags = 0,
.help = N_("message")
},
{.name = NULL}
};
static bool
cmdDesc(vshControl *ctl, const vshCmd *cmd ATTRIBUTE_UNUSED)
{
virDomainPtr dom;
bool config = vshCommandOptBool(cmd, "config");
bool live = vshCommandOptBool(cmd, "live");
bool current = vshCommandOptBool(cmd, "current");
bool title = vshCommandOptBool(cmd, "title");
bool edit = vshCommandOptBool(cmd, "edit");
int state;
int type;
char *desc = NULL;
char *desc_edited = NULL;
char *tmp = NULL;
char *tmpstr;
const vshCmdOpt *opt = NULL;
virBuffer buf = VIR_BUFFER_INITIALIZER;
bool pad = false;
bool ret = false;
unsigned int flags = VIR_DOMAIN_AFFECT_CURRENT;
if (current) {
if (live || config) {
vshError(ctl, "%s", _("--current must be specified exclusively"));
return false;
}
flags = VIR_DOMAIN_AFFECT_CURRENT;
} else {
if (config)
flags |= VIR_DOMAIN_AFFECT_CONFIG;
if (live)
flags |= VIR_DOMAIN_AFFECT_LIVE;
}
if (!(dom = vshCommandOptDomain(ctl, cmd, NULL)))
return false;
if ((state = vshDomainState(ctl, dom, NULL)) < 0)
goto cleanup;
while ((opt = vshCommandOptArgv(cmd, opt))) {
if (pad)
virBufferAddChar(&buf, ' ');
pad = true;
virBufferAdd(&buf, opt->data, -1);
}
if (title)
type = VIR_DOMAIN_METADATA_TITLE;
else
type = VIR_DOMAIN_METADATA_DESCRIPTION;
if (virBufferError(&buf)) {
vshPrint(ctl, "%s", _("Failed to collect new description/title"));
goto cleanup;
}
desc = virBufferContentAndReset(&buf);
if (edit || desc) {
if (!desc) {
desc = vshGetDomainDescription(ctl, dom, title,
config?VIR_DOMAIN_XML_INACTIVE:0);
if (!desc)
goto cleanup;
}
if (edit) {
/* Create and open the temporary file. */
if (!(tmp = vshEditWriteToTempFile(ctl, desc)))
goto cleanup;
/* Start the editor. */
if (vshEditFile(ctl, tmp) == -1)
goto cleanup;
/* Read back the edited file. */
if (!(desc_edited = vshEditReadBackFile(ctl, tmp)))
goto cleanup;
/* strip a possible newline at the end of file; some
* editors enforce a newline, this makes editing the title
* more convenient */
if (title &&
(tmpstr = strrchr(desc_edited, '\n')) &&
*(tmpstr+1) == '\0')
*tmpstr = '\0';
/* Compare original XML with edited. Has it changed at all? */
if (STREQ(desc, desc_edited)) {
vshPrint(ctl, _("Domain description not changed.\n"));
ret = true;
goto cleanup;
}
VIR_FREE(desc);
desc = desc_edited;
desc_edited = NULL;
}
if (virDomainSetMetadata(dom, type, desc, NULL, NULL, flags) < 0) {
vshError(ctl, "%s",
_("Failed to set new domain description"));
goto cleanup;
}
vshPrint(ctl, "%s", _("Domain description updated successfully"));
} else {
desc = vshGetDomainDescription(ctl, dom, title,
config?VIR_DOMAIN_XML_INACTIVE:0);
if (!desc)
goto cleanup;
if (strlen(desc) > 0)
vshPrint(ctl, "%s", desc);
else
vshPrint(ctl, _("No description for domain: %s"),
virDomainGetName(dom));
}
ret = true;
cleanup:
VIR_FREE(desc_edited);
VIR_FREE(desc);
if (tmp) {
unlink(tmp);
VIR_FREE(tmp);
}
if (dom)
virDomainFree(dom);
return ret;
}
/*
* "inject-nmi" command
*/
static const vshCmdInfo info_inject_nmi[] = {
{"help", N_("Inject NMI to the guest")},
{"desc", N_("Inject NMI to the guest domain.")},
{NULL, NULL}
};
static const vshCmdOptDef opts_inject_nmi[] = {
{.name = "domain",
.type = VSH_OT_DATA,
.flags = VSH_OFLAG_REQ,
.help = N_("domain name, id or uuid")
},
{.name = NULL}
};
static bool
cmdInjectNMI(vshControl *ctl, const vshCmd *cmd)
{
virDomainPtr dom;
int ret = true;
if (!(dom = vshCommandOptDomain(ctl, cmd, NULL)))
return false;
if (virDomainInjectNMI(dom, 0) < 0)
ret = false;
virDomainFree(dom);
return ret;
}
/*
* "send-key" command
*/
static const vshCmdInfo info_send_key[] = {
{"help", N_("Send keycodes to the guest")},
{"desc", N_("Send keycodes (integers or symbolic names) to the guest")},
{NULL, NULL}
};
static const vshCmdOptDef opts_send_key[] = {
{.name = "domain",
.type = VSH_OT_DATA,
.flags = VSH_OFLAG_REQ,
.help = N_("domain name, id or uuid")
},
{.name = "codeset",
.type = VSH_OT_STRING,
.flags = VSH_OFLAG_REQ_OPT,
.help = N_("the codeset of keycodes, default:linux")
},
{.name = "holdtime",
.type = VSH_OT_INT,
.flags = VSH_OFLAG_REQ_OPT,
.help = N_("the time (in milliseconds) how long the keys will be held")
},
{.name = "keycode",
.type = VSH_OT_ARGV,
.flags = VSH_OFLAG_REQ,
.help = N_("the key code")
},
{.name = NULL}
};
static int
get_integer_keycode(const char *key_name)
{
unsigned int val;
if (virStrToLong_ui(key_name, NULL, 0, &val) < 0 || val > 0xffff || !val)
return -1;
return val;
}
static bool
cmdSendKey(vshControl *ctl, const vshCmd *cmd)
{
virDomainPtr dom;
int ret = false;
const char *codeset_option;
int codeset;
int holdtime;
int count = 0;
const vshCmdOpt *opt = NULL;
int keycode;
unsigned int keycodes[VIR_DOMAIN_SEND_KEY_MAX_KEYS];
if (!(dom = vshCommandOptDomain(ctl, cmd, NULL)))
return false;
if (vshCommandOptString(cmd, "codeset", &codeset_option) <= 0)
codeset_option = "linux";
if (vshCommandOptInt(cmd, "holdtime", &holdtime) <= 0)
holdtime = 0;
codeset = virKeycodeSetTypeFromString(codeset_option);
if ((int)codeset < 0) {
vshError(ctl, _("unknown codeset: '%s'"), codeset_option);
goto cleanup;
}
while ((opt = vshCommandOptArgv(cmd, opt))) {
if (count == VIR_DOMAIN_SEND_KEY_MAX_KEYS) {
vshError(ctl, _("too many keycodes"));
goto cleanup;
}
if ((keycode = get_integer_keycode(opt->data)) <= 0) {
if ((keycode = virKeycodeValueFromString(codeset, opt->data)) <= 0) {
vshError(ctl, _("invalid keycode: '%s'"), opt->data);
goto cleanup;
}
}
keycodes[count] = keycode;
count++;
}
if (!(virDomainSendKey(dom, codeset, holdtime, keycodes, count, 0) < 0))
ret = true;
cleanup:
virDomainFree(dom);
return ret;
}
/*
* "send-process-signal" command
*/
static const vshCmdInfo info_send_process_signal[] = {
{"help", N_("Send signals to processes") },
{"desc", N_("Send signals to processes in the guest") },
{NULL, NULL}
};
static const vshCmdOptDef opts_send_process_signal[] = {
{.name = "domain",
.type = VSH_OT_DATA,
.flags = VSH_OFLAG_REQ,
.help = N_("domain name, id or uuid")
},
{.name = "pid",
.type = VSH_OT_DATA,
.flags = VSH_OFLAG_REQ,
.help = N_("the process ID")
},
{.name = "signame",
.type = VSH_OT_DATA,
.flags = VSH_OFLAG_REQ,
.help = N_("the signal number or name")
},
{.name = NULL}
};
VIR_ENUM_DECL(virDomainProcessSignal)
VIR_ENUM_IMPL(virDomainProcessSignal,
VIR_DOMAIN_PROCESS_SIGNAL_LAST,
"nop", "hup", "int", "quit", "ill", /* 0-4 */
"trap", "abrt", "bus", "fpe", "kill", /* 5-9 */
"usr1", "segv", "usr2", "pipe", "alrm", /* 10-14 */
"term", "stkflt", "chld", "cont", "stop", /* 15-19 */
"tstp", "ttin", "ttou", "urg", "xcpu", /* 20-24 */
"xfsz", "vtalrm", "prof", "winch", "poll", /* 25-29 */
"pwr", "sys", "rt0","rt1", "rt2", /* 30-34 */
"rt3", "rt4", "rt5", "rt6", "rt7", /* 35-39 */
"rt8", "rt9", "rt10", "rt11", "rt12", /* 40-44 */
"rt13", "rt14", "rt15", "rt16", "rt17", /* 45-49 */
"rt18", "rt19", "rt20", "rt21", "rt22", /* 50-54 */
"rt23", "rt24", "rt25", "rt26", "rt27", /* 55-59 */
"rt28", "rt29", "rt30", "rt31", "rt32") /* 60-64 */
static int getSignalNumber(vshControl *ctl, const char *signame)
{
size_t i;
int signum;
char *lower = vshStrdup(ctl, signame);
char *tmp = lower;
for (i = 0 ; signame[i] ; i++)
lower[i] = c_tolower(signame[i]);
if (virStrToLong_i(lower, NULL, 10, &signum) >= 0)
goto cleanup;
if (STRPREFIX(lower, "sig_"))
lower += 4;
else if (STRPREFIX(lower, "sig"))
lower += 3;
if ((signum = virDomainProcessSignalTypeFromString(lower)) >= 0)
goto cleanup;
signum = -1;
cleanup:
VIR_FREE(tmp);
return signum;
}
static bool
cmdSendProcessSignal(vshControl *ctl, const vshCmd *cmd)
{
virDomainPtr dom;
int ret = false;
const char *pidstr;
const char *signame;
long long pid_value;
int signum;
if (!(dom = vshCommandOptDomain(ctl, cmd, NULL)))
return false;
if (vshCommandOptString(cmd, "pid", &pidstr) <= 0) {
vshError(ctl, "%s", _("missing argument"));
return false;
}
if (vshCommandOptString(cmd, "signame", &signame) <= 0) {
vshError(ctl, "%s", _("missing argument"));
return false;
}
if (virStrToLong_ll(pidstr, NULL, 10, &pid_value) < 0) {
vshError(ctl, _("malformed PID value: %s"), pidstr);
goto cleanup;
}
if ((signum = getSignalNumber(ctl, signame)) < 0) {
vshError(ctl, _("malformed signal name: %s"), signame);
goto cleanup;
}
if (virDomainSendProcessSignal(dom, pid_value, signum, 0) < 0)
goto cleanup;
ret = true;
cleanup:
virDomainFree(dom);
return ret;
}
/*
* "setmem" command
*/
static const vshCmdInfo info_setmem[] = {
{"help", N_("change memory allocation")},
{"desc", N_("Change the current memory allocation in the guest domain.")},
{NULL, NULL}
};
static const vshCmdOptDef opts_setmem[] = {
{.name = "domain",
.type = VSH_OT_DATA,
.flags = VSH_OFLAG_REQ,
.help = N_("domain name, id or uuid")
},
{.name = "kilobytes",
.type = VSH_OT_ALIAS,
.flags = 0,
.help = "size"
},
{.name = "size",
.type = VSH_OT_INT,
.flags = VSH_OFLAG_REQ,
.help = N_("new memory size, as scaled integer (default KiB)")
},
{.name = "config",
.type = VSH_OT_BOOL,
.flags = 0,
.help = N_("affect next boot")
},
{.name = "live",
.type = VSH_OT_BOOL,
.flags = 0,
.help = N_("affect running domain")
},
{.name = "current",
.type = VSH_OT_BOOL,
.flags = 0,
.help = N_("affect current domain")
},
{.name = NULL}
};
static bool
cmdSetmem(vshControl *ctl, const vshCmd *cmd)
{
virDomainPtr dom;
unsigned long long bytes = 0;
unsigned long long max;
unsigned long kibibytes = 0;
bool ret = true;
bool config = vshCommandOptBool(cmd, "config");
bool live = vshCommandOptBool(cmd, "live");
bool current = vshCommandOptBool(cmd, "current");
unsigned int flags = 0;
if (current) {
if (live || config) {
vshError(ctl, "%s", _("--current must be specified exclusively"));
return false;
}
flags = VIR_DOMAIN_AFFECT_CURRENT;
} else {
if (config)
flags |= VIR_DOMAIN_AFFECT_CONFIG;
if (live)
flags |= VIR_DOMAIN_AFFECT_LIVE;
/* neither option is specified */
if (!live && !config)
flags = -1;
}
if (!(dom = vshCommandOptDomain(ctl, cmd, NULL)))
return false;
/* The API expects 'unsigned long' KiB, so depending on whether we
* are 32-bit or 64-bit determines the maximum we can use. */
if (sizeof(kibibytes) < sizeof(max))
max = 1024ull * ULONG_MAX;
else
max = ULONG_MAX;
if (vshCommandOptScaledInt(cmd, "size", &bytes, 1024, max) < 0) {
vshError(ctl, "%s", _("memory size has to be a number"));
virDomainFree(dom);
return false;
}
kibibytes = VIR_DIV_UP(bytes, 1024);
if (flags == -1) {
if (virDomainSetMemory(dom, kibibytes) != 0) {
ret = false;
}
} else {
if (virDomainSetMemoryFlags(dom, kibibytes, flags) < 0) {
ret = false;
}
}
virDomainFree(dom);
return ret;
}
/*
* "setmaxmem" command
*/
static const vshCmdInfo info_setmaxmem[] = {
{"help", N_("change maximum memory limit")},
{"desc", N_("Change the maximum memory allocation limit in the guest domain.")},
{NULL, NULL}
};
static const vshCmdOptDef opts_setmaxmem[] = {
{.name = "domain",
.type = VSH_OT_DATA,
.flags = VSH_OFLAG_REQ,
.help = N_("domain name, id or uuid")
},
{.name = "kilobytes",
.type = VSH_OT_ALIAS,
.flags = 0,
.help = "size"
},
{.name = "size",
.type = VSH_OT_INT,
.flags = VSH_OFLAG_REQ,
.help = N_("new maximum memory size, as scaled integer (default KiB)")
},
{.name = "config",
.type = VSH_OT_BOOL,
.flags = 0,
.help = N_("affect next boot")
},
{.name = "live",
.type = VSH_OT_BOOL,
.flags = 0,
.help = N_("affect running domain")
},
{.name = "current",
.type = VSH_OT_BOOL,
.flags = 0,
.help = N_("affect current domain")
},
{.name = NULL}
};
static bool
cmdSetmaxmem(vshControl *ctl, const vshCmd *cmd)
{
virDomainPtr dom;
unsigned long long bytes = 0;
unsigned long long max;
unsigned long kibibytes = 0;
bool ret = true;
bool config = vshCommandOptBool(cmd, "config");
bool live = vshCommandOptBool(cmd, "live");
bool current = vshCommandOptBool(cmd, "current");
unsigned int flags = VIR_DOMAIN_MEM_MAXIMUM;
if (current) {
if (live || config) {
vshError(ctl, "%s", _("--current must be specified exclusively"));
return false;
}
} else {
if (config)
flags |= VIR_DOMAIN_AFFECT_CONFIG;
if (live)
flags |= VIR_DOMAIN_AFFECT_LIVE;
/* neither option is specified */
if (!live && !config)
flags = -1;
}
if (!(dom = vshCommandOptDomain(ctl, cmd, NULL)))
return false;
/* The API expects 'unsigned long' KiB, so depending on whether we
* are 32-bit or 64-bit determines the maximum we can use. */
if (sizeof(kibibytes) < sizeof(max))
max = 1024ull * ULONG_MAX;
else
max = ULONG_MAX;
if (vshCommandOptScaledInt(cmd, "size", &bytes, 1024, max) < 0) {
vshError(ctl, "%s", _("memory size has to be a number"));
virDomainFree(dom);
return false;
}
kibibytes = VIR_DIV_UP(bytes, 1024);
if (flags == -1) {
if (virDomainSetMaxMemory(dom, kibibytes) != 0) {
vshError(ctl, "%s", _("Unable to change MaxMemorySize"));
ret = false;
}
} else {
if (virDomainSetMemoryFlags(dom, kibibytes, flags) < 0) {
vshError(ctl, "%s", _("Unable to change MaxMemorySize"));
ret = false;
}
}
virDomainFree(dom);
return ret;
}
/*
* "memtune" command
*/
static const vshCmdInfo info_memtune[] = {
{"help", N_("Get or set memory parameters")},
{"desc", N_("Get or set the current memory parameters for a guest"
" domain.\n"
" To get the memory parameters use following command: \n\n"
" virsh # memtune <domain>")},
{NULL, NULL}
};
static const vshCmdOptDef opts_memtune[] = {
{.name = "domain",
.type = VSH_OT_DATA,
.flags = VSH_OFLAG_REQ,
.help = N_("domain name, id or uuid")
},
{.name = "hard-limit",
.type = VSH_OT_INT,
.flags = VSH_OFLAG_NONE,
.help = N_("Max memory, as scaled integer (default KiB)")
},
{.name = "soft-limit",
.type = VSH_OT_INT,
.flags = VSH_OFLAG_NONE,
.help = N_("Memory during contention, as scaled integer (default KiB)")
},
{.name = "swap-hard-limit",
.type = VSH_OT_INT,
.flags = VSH_OFLAG_NONE,
.help = N_("Max memory plus swap, as scaled integer (default KiB)")
},
{.name = "min-guarantee",
.type = VSH_OT_INT,
.flags = VSH_OFLAG_NONE,
.help = N_("Min guaranteed memory, as scaled integer (default KiB)")
},
{.name = "config",
.type = VSH_OT_BOOL,
.flags = 0,
.help = N_("affect next boot")
},
{.name = "live",
.type = VSH_OT_BOOL,
.flags = 0,
.help = N_("affect running domain")
},
{.name = "current",
.type = VSH_OT_BOOL,
.flags = 0,
.help = N_("affect current domain")
},
{.name = NULL}
};
static int
vshMemtuneGetSize(const vshCmd *cmd, const char *name, long long *value)
{
int ret;
unsigned long long tmp;
const char *str;
char *end;
ret = vshCommandOptString(cmd, name, &str);
if (ret <= 0)
return ret;
if (virStrToLong_ll(str, &end, 10, value) < 0)
return -1;
if (*value < 0) {
*value = VIR_DOMAIN_MEMORY_PARAM_UNLIMITED;
return 1;
}
tmp = *value;
if (virScaleInteger(&tmp, end, 1024, LLONG_MAX) < 0)
return -1;
*value = VIR_DIV_UP(tmp, 1024);
return 0;
}
static bool
cmdMemtune(vshControl *ctl, const vshCmd *cmd)
{
virDomainPtr dom;
long long hard_limit = 0, soft_limit = 0, swap_hard_limit = 0;
long long min_guarantee = 0;
int nparams = 0;
int maxparams = 0;
unsigned int i = 0;
virTypedParameterPtr params = NULL;
bool ret = false;
unsigned int flags = 0;
bool current = vshCommandOptBool(cmd, "current");
bool config = vshCommandOptBool(cmd, "config");
bool live = vshCommandOptBool(cmd, "live");
if (current) {
if (live || config) {
vshError(ctl, "%s", _("--current must be specified exclusively"));
return false;
}
flags = VIR_DOMAIN_AFFECT_CURRENT;
} else {
if (config)
flags |= VIR_DOMAIN_AFFECT_CONFIG;
if (live)
flags |= VIR_DOMAIN_AFFECT_LIVE;
}
if (!(dom = vshCommandOptDomain(ctl, cmd, NULL)))
return false;
if (vshMemtuneGetSize(cmd, "hard-limit", &hard_limit) < 0 ||
vshMemtuneGetSize(cmd, "soft-limit", &soft_limit) < 0 ||
vshMemtuneGetSize(cmd, "swap-hard-limit", &swap_hard_limit) < 0 ||
vshMemtuneGetSize(cmd, "min-guarantee", &min_guarantee) < 0) {
vshError(ctl, "%s",
_("Unable to parse integer parameter"));
goto cleanup;
}
if (hard_limit) {
if (hard_limit == -1)
hard_limit = VIR_DOMAIN_MEMORY_PARAM_UNLIMITED;
if (virTypedParamsAddULLong(&params, &nparams, &maxparams,
VIR_DOMAIN_MEMORY_HARD_LIMIT,
hard_limit) < 0)
goto save_error;
}
if (soft_limit) {
if (soft_limit == -1)
soft_limit = VIR_DOMAIN_MEMORY_PARAM_UNLIMITED;
if (virTypedParamsAddULLong(&params, &nparams, &maxparams,
VIR_DOMAIN_MEMORY_SOFT_LIMIT,
soft_limit) < 0)
goto save_error;
}
if (swap_hard_limit) {
if (swap_hard_limit == -1)
swap_hard_limit = VIR_DOMAIN_MEMORY_PARAM_UNLIMITED;
if (virTypedParamsAddULLong(&params, &nparams, &maxparams,
VIR_DOMAIN_MEMORY_SWAP_HARD_LIMIT,
swap_hard_limit) < 0)
goto save_error;
}
if (min_guarantee) {
if (min_guarantee == -1)
min_guarantee = VIR_DOMAIN_MEMORY_PARAM_UNLIMITED;
if (virTypedParamsAddULLong(&params, &nparams, &maxparams,
VIR_DOMAIN_MEMORY_MIN_GUARANTEE,
min_guarantee) < 0)
goto save_error;
}
if (nparams == 0) {
/* get the number of memory parameters */
if (virDomainGetMemoryParameters(dom, NULL, &nparams, flags) != 0) {
vshError(ctl, "%s",
_("Unable to get number of memory parameters"));
goto cleanup;
}
if (nparams == 0) {
/* nothing to output */
ret = true;
goto cleanup;
}
/* now go get all the memory parameters */
params = vshCalloc(ctl, nparams, sizeof(*params));
if (virDomainGetMemoryParameters(dom, params, &nparams, flags) != 0) {
vshError(ctl, "%s", _("Unable to get memory parameters"));
goto cleanup;
}
for (i = 0; i < nparams; i++) {
if (params[i].type == VIR_TYPED_PARAM_ULLONG &&
params[i].value.ul == VIR_DOMAIN_MEMORY_PARAM_UNLIMITED) {
vshPrint(ctl, "%-15s: %s\n", params[i].field, _("unlimited"));
} else {
char *str = vshGetTypedParamValue(ctl, &params[i]);
vshPrint(ctl, "%-15s: %s\n", params[i].field, str);
VIR_FREE(str);
}
}
} else {
if (virDomainSetMemoryParameters(dom, params, nparams, flags) != 0)
goto error;
}
ret = true;
cleanup:
virTypedParamsFree(params, nparams);
virDomainFree(dom);
return ret;
save_error:
vshSaveLibvirtError();
error:
vshError(ctl, "%s", _("Unable to change memory parameters"));
goto cleanup;
}
/*
* "numatune" command
*/
static const vshCmdInfo info_numatune[] = {
{"help", N_("Get or set numa parameters")},
{"desc", N_("Get or set the current numa parameters for a guest"
" domain.\n"
" To get the numa parameters use following command: \n\n"
" virsh # numatune <domain>")},
{NULL, NULL}
};
static const vshCmdOptDef opts_numatune[] = {
{.name = "domain",
.type = VSH_OT_DATA,
.flags = VSH_OFLAG_REQ,
.help = N_("domain name, id or uuid")
},
{.name = "mode",
.type = VSH_OT_DATA,
.flags = VSH_OFLAG_NONE,
.help = N_("NUMA mode, one of strict, preferred and interleave")
},
{.name = "nodeset",
.type = VSH_OT_DATA,
.flags = VSH_OFLAG_NONE,
.help = N_("NUMA node selections to set")
},
{.name = "config",
.type = VSH_OT_BOOL,
.flags = 0,
.help = N_("affect next boot")
},
{.name = "live",
.type = VSH_OT_BOOL,
.flags = 0,
.help = N_("affect running domain")
},
{.name = "current",
.type = VSH_OT_BOOL,
.flags = 0,
.help = N_("affect current domain")
},
{.name = NULL}
};
static bool
cmdNumatune(vshControl * ctl, const vshCmd * cmd)
{
virDomainPtr dom;
int nparams = 0;
unsigned int i = 0;
virTypedParameterPtr params = NULL, temp = NULL;
const char *nodeset = NULL;
bool ret = false;
unsigned int flags = 0;
bool current = vshCommandOptBool(cmd, "current");
bool config = vshCommandOptBool(cmd, "config");
bool live = vshCommandOptBool(cmd, "live");
const char *mode = NULL;
if (current) {
if (live || config) {
vshError(ctl, "%s", _("--current must be specified exclusively"));
return false;
}
flags = VIR_DOMAIN_AFFECT_CURRENT;
} else {
if (config)
flags |= VIR_DOMAIN_AFFECT_CONFIG;
if (live)
flags |= VIR_DOMAIN_AFFECT_LIVE;
}
if (!(dom = vshCommandOptDomain(ctl, cmd, NULL)))
return false;
if (vshCommandOptString(cmd, "nodeset", &nodeset) < 0) {
vshError(ctl, "%s", _("Unable to parse nodeset."));
virDomainFree(dom);
return false;
}
if (nodeset)
nparams++;
if (vshCommandOptString(cmd, "mode", &mode) < 0) {
vshError(ctl, "%s", _("Unable to parse mode."));
virDomainFree(dom);
return false;
}
if (mode)
nparams++;
if (nparams == 0) {
/* get the number of numa parameters */
if (virDomainGetNumaParameters(dom, NULL, &nparams, flags) != 0) {
vshError(ctl, "%s",
_("Unable to get number of memory parameters"));
goto cleanup;
}
if (nparams == 0) {
/* nothing to output */
ret = true;
goto cleanup;
}
/* now go get all the numa parameters */
params = vshCalloc(ctl, nparams, sizeof(*params));
if (virDomainGetNumaParameters(dom, params, &nparams, flags) != 0) {
vshError(ctl, "%s", _("Unable to get numa parameters"));
goto cleanup;
}
for (i = 0; i < nparams; i++) {
if (params[i].type == VIR_TYPED_PARAM_INT &&
STREQ(params[i].field, VIR_DOMAIN_NUMA_MODE)) {
vshPrint(ctl, "%-15s: %s\n", params[i].field,
virDomainNumatuneMemModeTypeToString(params[i].value.i));
} else {
char *str = vshGetTypedParamValue(ctl, &params[i]);
vshPrint(ctl, "%-15s: %s\n", params[i].field, str);
VIR_FREE(str);
}
}
ret = true;
} else {
/* set the numa parameters */
params = vshCalloc(ctl, nparams, sizeof(*params));
for (i = 0; i < nparams; i++) {
temp = &params[i];
/*
* Some magic here, this is used to fill the params structure with
* the valid arguments passed, after filling the particular
* argument we purposely make them 0, so on the next pass it goes
* to the next valid argument and so on.
*/
if (mode) {
/* Accept string or integer, in case server
* understands newer integer than what strings we were
* compiled with */
if ((temp->value.i =
virDomainNumatuneMemModeTypeFromString(mode)) < 0 &&
virStrToLong_i(mode, NULL, 0, &temp->value.i) < 0) {
vshError(ctl, _("Invalid mode: %s"), mode);
goto cleanup;
}
if (!virStrcpy(temp->field, VIR_DOMAIN_NUMA_MODE,
sizeof(temp->field)))
goto cleanup;
temp->type = VIR_TYPED_PARAM_INT;
mode = NULL;
} else if (nodeset) {
temp->value.s = vshStrdup(ctl, nodeset);
temp->type = VIR_TYPED_PARAM_STRING;
if (!virStrcpy(temp->field, VIR_DOMAIN_NUMA_NODESET,
sizeof(temp->field)))
goto cleanup;
nodeset = NULL;
}
}
if (virDomainSetNumaParameters(dom, params, nparams, flags) != 0)
vshError(ctl, "%s", _("Unable to change numa parameters"));
else
ret = true;
}
cleanup:
virTypedParameterArrayClear(params, nparams);
VIR_FREE(params);
virDomainFree(dom);
return ret;
}
/*
* "qemu-monitor-command" command
*/
static const vshCmdInfo info_qemu_monitor_command[] = {
{"help", N_("QEMU Monitor Command")},
{"desc", N_("QEMU Monitor Command")},
{NULL, NULL}
};
static const vshCmdOptDef opts_qemu_monitor_command[] = {
{.name = "domain",
.type = VSH_OT_DATA,
.flags = VSH_OFLAG_REQ,
.help = N_("domain name, id or uuid")
},
{.name = "hmp",
.type = VSH_OT_BOOL,
.flags = 0,
.help = N_("command is in human monitor protocol")
},
{.name = "pretty",
.type = VSH_OT_BOOL,
.flags = 0,
.help = N_("pretty-print any qemu monitor protocol output")
},
{.name = "cmd",
.type = VSH_OT_ARGV,
.flags = VSH_OFLAG_REQ,
.help = N_("command")
},
{.name = NULL}
};
static bool
cmdQemuMonitorCommand(vshControl *ctl, const vshCmd *cmd)
{
virDomainPtr dom = NULL;
bool ret = false;
char *monitor_cmd = NULL;
char *result = NULL;
unsigned int flags = 0;
const vshCmdOpt *opt = NULL;
virBuffer buf = VIR_BUFFER_INITIALIZER;
bool pad = false;
virJSONValuePtr pretty = NULL;
dom = vshCommandOptDomain(ctl, cmd, NULL);
if (dom == NULL)
goto cleanup;
while ((opt = vshCommandOptArgv(cmd, opt))) {
if (pad)
virBufferAddChar(&buf, ' ');
pad = true;
virBufferAdd(&buf, opt->data, -1);
}
if (virBufferError(&buf)) {
vshPrint(ctl, "%s", _("Failed to collect command"));
goto cleanup;
}
monitor_cmd = virBufferContentAndReset(&buf);
if (vshCommandOptBool(cmd, "hmp")) {
if (vshCommandOptBool(cmd, "pretty")) {
vshError(ctl, _("--hmp and --pretty are not compatible"));
goto cleanup;
}
flags |= VIR_DOMAIN_QEMU_MONITOR_COMMAND_HMP;
}
if (virDomainQemuMonitorCommand(dom, monitor_cmd, &result, flags) < 0)
goto cleanup;
if (vshCommandOptBool(cmd, "pretty")) {
char *tmp;
pretty = virJSONValueFromString(result);
if (pretty && (tmp = virJSONValueToString(pretty, true))) {
VIR_FREE(result);
result = tmp;
} else {
vshResetLibvirtError();
}
}
vshPrint(ctl, "%s\n", result);
ret = true;
cleanup:
VIR_FREE(result);
VIR_FREE(monitor_cmd);
virJSONValueFree(pretty);
if (dom)
virDomainFree(dom);
return ret;
}
/*
* "qemu-attach" command
*/
static const vshCmdInfo info_qemu_attach[] = {
{"help", N_("QEMU Attach")},
{"desc", N_("QEMU Attach")},
{NULL, NULL}
};
static const vshCmdOptDef opts_qemu_attach[] = {
{.name = "pid",
.type = VSH_OT_DATA,
.flags = VSH_OFLAG_REQ,
.help = N_("pid")
},
{.name = NULL}
};
static bool
cmdQemuAttach(vshControl *ctl, const vshCmd *cmd)
{
virDomainPtr dom = NULL;
bool ret = false;
unsigned int flags = 0;
unsigned int pid_value; /* API uses unsigned int, not pid_t */
if (vshCommandOptUInt(cmd, "pid", &pid_value) <= 0) {
vshError(ctl, "%s", _("missing pid value"));
goto cleanup;
}
if (!(dom = virDomainQemuAttach(ctl->conn, pid_value, flags)))
goto cleanup;
if (dom != NULL) {
vshPrint(ctl, _("Domain %s attached to pid %u\n"),
virDomainGetName(dom), pid_value);
virDomainFree(dom);
ret = true;
} else {
vshError(ctl, _("Failed to attach to pid %u"), pid_value);
}
cleanup:
return ret;
}
/*
* "qemu-agent-command" command
*/
static const vshCmdInfo info_qemu_agent_command[] = {
{"help", N_("QEMU Guest Agent Command")},
{"desc", N_("Run an arbitrary qemu guest agent command; use at your own risk")},
{NULL, NULL}
};
static const vshCmdOptDef opts_qemu_agent_command[] = {
{.name = "domain",
.type = VSH_OT_DATA,
.flags = VSH_OFLAG_REQ,
.help = N_("domain name, id or uuid")
},
{.name = "timeout",
.type = VSH_OT_INT,
.flags = VSH_OFLAG_REQ_OPT,
.help = N_("timeout seconds. must be positive.")
},
{.name = "async",
.type = VSH_OT_BOOL,
.flags = 0,
.help = N_("execute command without waiting for timeout")
},
{.name = "block",
.type = VSH_OT_BOOL,
.flags = 0,
.help = N_("execute command without timeout")
},
{.name = "cmd",
.type = VSH_OT_ARGV,
.flags = VSH_OFLAG_REQ,
.help = N_("command")
},
{.name = NULL}
};
static bool
cmdQemuAgentCommand(vshControl *ctl, const vshCmd *cmd)
{
virDomainPtr dom = NULL;
bool ret = false;
char *guest_agent_cmd = NULL;
char *result = NULL;
int timeout = VIR_DOMAIN_QEMU_AGENT_COMMAND_DEFAULT;
int judge = 0;
unsigned int flags = 0;
const vshCmdOpt *opt = NULL;
virBuffer buf = VIR_BUFFER_INITIALIZER;
bool pad = false;
dom = vshCommandOptDomain(ctl, cmd, NULL);
if (dom == NULL)
goto cleanup;
while ((opt = vshCommandOptArgv(cmd, opt))) {
if (pad)
virBufferAddChar(&buf, ' ');
pad = true;
virBufferAdd(&buf, opt->data, -1);
}
if (virBufferError(&buf)) {
vshPrint(ctl, "%s", _("Failed to collect command"));
goto cleanup;
}
guest_agent_cmd = virBufferContentAndReset(&buf);
judge = vshCommandOptInt(cmd, "timeout", &timeout);
if (judge < 0) {
vshError(ctl, "%s", _("timeout number has to be a number"));
goto cleanup;
} else if (judge > 0) {
judge = 1;
}
if (judge && timeout < 1) {
vshError(ctl, "%s", _("timeout must be positive"));
goto cleanup;
}
if (vshCommandOptBool(cmd, "async")) {
timeout = VIR_DOMAIN_QEMU_AGENT_COMMAND_NOWAIT;
judge++;
}
if (vshCommandOptBool(cmd, "block")) {
timeout = VIR_DOMAIN_QEMU_AGENT_COMMAND_BLOCK;
judge++;
}
if (judge > 1) {
vshError(ctl, "%s", _("timeout, async and block options are exclusive"));
goto cleanup;
}
result = virDomainQemuAgentCommand(dom, guest_agent_cmd, timeout, flags);
if (result) printf("%s\n", result);
ret = true;
cleanup:
VIR_FREE(result);
VIR_FREE(guest_agent_cmd);
if (dom)
virDomainFree(dom);
return ret;
}
/*
* "lxc-enter-namespace" namespace
*/
static const vshCmdInfo info_lxc_enter_namespace[] = {
{"help", N_("LXC Guest Enter Namespace")},
{"desc", N_("Run an arbitrary lxc guest enter namespace; use at your own risk")},
{NULL, NULL}
};
static const vshCmdOptDef opts_lxc_enter_namespace[] = {
{"domain", VSH_OT_DATA, VSH_OFLAG_REQ, N_("domain name, id or uuid")},
{"cmd", VSH_OT_ARGV, VSH_OFLAG_REQ, N_("namespace")},
{NULL, 0, 0, NULL}
};
static bool
cmdLxcEnterNamespace(vshControl *ctl, const vshCmd *cmd)
{
virDomainPtr dom = NULL;
bool ret = false;
const vshCmdOpt *opt = NULL;
char **cmdargv = NULL;
size_t ncmdargv = 0;
pid_t pid;
int nfdlist;
int *fdlist;
size_t i;
dom = vshCommandOptDomain(ctl, cmd, NULL);
if (dom == NULL)
goto cleanup;
while ((opt = vshCommandOptArgv(cmd, opt))) {
if (VIR_EXPAND_N(cmdargv, ncmdargv, 1) < 0) {
vshError(ctl, _("%s: %d: failed to allocate argv"),
__FILE__, __LINE__);
}
cmdargv[ncmdargv-1] = opt->data;
}
if (VIR_EXPAND_N(cmdargv, ncmdargv, 1) < 0) {
vshError(ctl, _("%s: %d: failed to allocate argv"),
__FILE__, __LINE__);
}
cmdargv[ncmdargv - 1] = NULL;
if ((nfdlist = virDomainLxcOpenNamespace(dom, &fdlist, 0)) < 0)
goto cleanup;
/* Fork once because we don't want to affect
* virsh's namespace itself
*/
if (virFork(&pid) < 0)
goto cleanup;
if (pid == 0) {
if (virDomainLxcEnterNamespace(dom,
nfdlist,
fdlist,
NULL,
NULL,
0) < 0)
_exit(255);
/* Fork a second time because entering the
* pid namespace only takes effect after fork
*/
if (virFork(&pid) < 0)
_exit(255);
if (pid == 0) {
execv(cmdargv[0], cmdargv);
_exit(255);
} else {
if (virProcessWait(pid, NULL) < 0)
_exit(255);
}
_exit(0);
} else {
for (i = 0 ; i < nfdlist ; i++)
VIR_FORCE_CLOSE(fdlist[i]);
VIR_FREE(fdlist);
if (virProcessWait(pid, NULL) < 0)
goto cleanup;
}
ret = true;
cleanup:
if (dom)
virDomainFree(dom);
VIR_FREE(cmdargv);
return ret;
}
/*
* "dumpxml" command
*/
static const vshCmdInfo info_dumpxml[] = {
{"help", N_("domain information in XML")},
{"desc", N_("Output the domain information as an XML dump to stdout.")},
{NULL, NULL}
};
static const vshCmdOptDef opts_dumpxml[] = {
{.name = "domain",
.type = VSH_OT_DATA,
.flags = VSH_OFLAG_REQ,
.help = N_("domain name, id or uuid")
},
{.name = "inactive",
.type = VSH_OT_BOOL,
.flags = 0,
.help = N_("show inactive defined XML")
},
{.name = "security-info",
.type = VSH_OT_BOOL,
.flags = 0,
.help = N_("include security sensitive information in XML dump")
},
{.name = "update-cpu",
.type = VSH_OT_BOOL,
.flags = 0,
.help = N_("update guest CPU according to host CPU")
},
{.name = "migratable",
.type = VSH_OT_BOOL,
.flags = 0,
.help = N_("provide XML suitable for migrations")
},
{.name = NULL}
};
static bool
cmdDumpXML(vshControl *ctl, const vshCmd *cmd)
{
virDomainPtr dom;
bool ret = true;
char *dump;
unsigned int flags = 0;
bool inactive = vshCommandOptBool(cmd, "inactive");
bool secure = vshCommandOptBool(cmd, "security-info");
bool update = vshCommandOptBool(cmd, "update-cpu");
bool migratable = vshCommandOptBool(cmd, "migratable");
if (inactive)
flags |= VIR_DOMAIN_XML_INACTIVE;
if (secure)
flags |= VIR_DOMAIN_XML_SECURE;
if (update)
flags |= VIR_DOMAIN_XML_UPDATE_CPU;
if (migratable)
flags |= VIR_DOMAIN_XML_MIGRATABLE;
if (!(dom = vshCommandOptDomain(ctl, cmd, NULL)))
return false;
dump = virDomainGetXMLDesc(dom, flags);
if (dump != NULL) {
vshPrint(ctl, "%s", dump);
VIR_FREE(dump);
} else {
ret = false;
}
virDomainFree(dom);
return ret;
}
/*
* "domxml-from-native" command
*/
static const vshCmdInfo info_domxmlfromnative[] = {
{"help", N_("Convert native config to domain XML")},
{"desc", N_("Convert native guest configuration format to domain XML format.")},
{NULL, NULL}
};
static const vshCmdOptDef opts_domxmlfromnative[] = {
{.name = "format",
.type = VSH_OT_DATA,
.flags = VSH_OFLAG_REQ,
.help = N_("source config data format")
},
{.name = "config",
.type = VSH_OT_DATA,
.flags = VSH_OFLAG_REQ,
.help = N_("config data file to import from")
},
{.name = NULL}
};
static bool
cmdDomXMLFromNative(vshControl *ctl, const vshCmd *cmd)
{
bool ret = true;
const char *format = NULL;
const char *configFile = NULL;
char *configData;
char *xmlData;
unsigned int flags = 0;
if (vshCommandOptString(cmd, "format", &format) < 0 ||
vshCommandOptString(cmd, "config", &configFile) < 0)
return false;
if (virFileReadAll(configFile, 1024*1024, &configData) < 0)
return false;
xmlData = virConnectDomainXMLFromNative(ctl->conn, format, configData, flags);
if (xmlData != NULL) {
vshPrint(ctl, "%s", xmlData);
VIR_FREE(xmlData);
} else {
ret = false;
}
VIR_FREE(configData);
return ret;
}
/*
* "domxml-to-native" command
*/
static const vshCmdInfo info_domxmltonative[] = {
{"help", N_("Convert domain XML to native config")},
{"desc", N_("Convert domain XML config to a native guest configuration format.")},
{NULL, NULL}
};
static const vshCmdOptDef opts_domxmltonative[] = {
{.name = "format",
.type = VSH_OT_DATA,
.flags = VSH_OFLAG_REQ,
.help = N_("target config data type format")
},
{.name = "xml",
.type = VSH_OT_DATA,
.flags = VSH_OFLAG_REQ,
.help = N_("xml data file to export from")
},
{.name = NULL}
};
static bool
cmdDomXMLToNative(vshControl *ctl, const vshCmd *cmd)
{
bool ret = true;
const char *format = NULL;
const char *xmlFile = NULL;
char *configData;
char *xmlData;
unsigned int flags = 0;
if (vshCommandOptString(cmd, "format", &format) < 0
|| vshCommandOptString(cmd, "xml", &xmlFile) < 0)
return false;
if (virFileReadAll(xmlFile, 1024*1024, &xmlData) < 0)
return false;
configData = virConnectDomainXMLToNative(ctl->conn, format, xmlData, flags);
if (configData != NULL) {
vshPrint(ctl, "%s", configData);
VIR_FREE(configData);
} else {
ret = false;
}
VIR_FREE(xmlData);
return ret;
}
/*
* "domname" command
*/
static const vshCmdInfo info_domname[] = {
{"help", N_("convert a domain id or UUID to domain name")},
{"desc", ""},
{NULL, NULL}
};
static const vshCmdOptDef opts_domname[] = {
{.name = "domain",
.type = VSH_OT_DATA,
.flags = VSH_OFLAG_REQ,
.help = N_("domain id or uuid")
},
{.name = NULL}
};
static bool
cmdDomname(vshControl *ctl, const vshCmd *cmd)
{
virDomainPtr dom;
if (!(dom = vshCommandOptDomainBy(ctl, cmd, NULL,
VSH_BYID|VSH_BYUUID)))
return false;
vshPrint(ctl, "%s\n", virDomainGetName(dom));
virDomainFree(dom);
return true;
}
/*
* "domid" command
*/
static const vshCmdInfo info_domid[] = {
{"help", N_("convert a domain name or UUID to domain id")},
{"desc", ""},
{NULL, NULL}
};
static const vshCmdOptDef opts_domid[] = {
{.name = "domain",
.type = VSH_OT_DATA,
.flags = VSH_OFLAG_REQ,
.help = N_("domain name or uuid")
},
{.name = NULL}
};
static bool
cmdDomid(vshControl *ctl, const vshCmd *cmd)
{
virDomainPtr dom;
unsigned int id;
if (!(dom = vshCommandOptDomainBy(ctl, cmd, NULL,
VSH_BYNAME|VSH_BYUUID)))
return false;
id = virDomainGetID(dom);
if (id == ((unsigned int)-1))
vshPrint(ctl, "%s\n", "-");
else
vshPrint(ctl, "%d\n", id);
virDomainFree(dom);
return true;
}
/*
* "domuuid" command
*/
static const vshCmdInfo info_domuuid[] = {
{"help", N_("convert a domain name or id to domain UUID")},
{"desc", ""},
{NULL, NULL}
};
static const vshCmdOptDef opts_domuuid[] = {
{.name = "domain",
.type = VSH_OT_DATA,
.flags = VSH_OFLAG_REQ,
.help = N_("domain id or name")
},
{.name = NULL}
};
static bool
cmdDomuuid(vshControl *ctl, const vshCmd *cmd)
{
virDomainPtr dom;
char uuid[VIR_UUID_STRING_BUFLEN];
if (!(dom = vshCommandOptDomainBy(ctl, cmd, NULL,
VSH_BYNAME|VSH_BYID)))
return false;
if (virDomainGetUUIDString(dom, uuid) != -1)
vshPrint(ctl, "%s\n", uuid);
else
vshError(ctl, "%s", _("failed to get domain UUID"));
virDomainFree(dom);
return true;
}
/*
* "migrate" command
*/
static const vshCmdInfo info_migrate[] = {
{"help", N_("migrate domain to another host")},
{"desc", N_("Migrate domain to another host. Add --live for live migration.")},
{NULL, NULL}
};
static const vshCmdOptDef opts_migrate[] = {
{.name = "live",
.type = VSH_OT_BOOL,
.flags = 0,
.help = N_("live migration")
},
{.name = "offline",
.type = VSH_OT_BOOL,
.flags = 0,
.help = N_("offline migration")
},
{.name = "p2p",
.type = VSH_OT_BOOL,
.flags = 0,
.help = N_("peer-2-peer migration")
},
{.name = "direct",
.type = VSH_OT_BOOL,
.flags = 0,
.help = N_("direct migration")
},
{.name = "tunneled",
.type = VSH_OT_ALIAS,
.flags = 0,
.help = "tunnelled"
},
{.name = "tunnelled",
.type = VSH_OT_BOOL,
.flags = 0,
.help = N_("tunnelled migration")
},
{.name = "persistent",
.type = VSH_OT_BOOL,
.flags = 0,
.help = N_("persist VM on destination")
},
{.name = "undefinesource",
.type = VSH_OT_BOOL,
.flags = 0,
.help = N_("undefine VM on source")
},
{.name = "suspend",
.type = VSH_OT_BOOL,
.flags = 0,
.help = N_("do not restart the domain on the destination host")
},
{.name = "copy-storage-all",
.type = VSH_OT_BOOL,
.flags = 0,
.help = N_("migration with non-shared storage with full disk copy")
},
{.name = "copy-storage-inc",
.type = VSH_OT_BOOL,
.flags = 0,
.help = N_("migration with non-shared storage with incremental copy (same base image shared between source and destination)")
},
{.name = "change-protection",
.type = VSH_OT_BOOL,
.flags = 0,
.help = N_("prevent any configuration changes to domain until migration ends)")
},
{.name = "unsafe",
.type = VSH_OT_BOOL,
.flags = 0,
.help = N_("force migration even if it may be unsafe")
},
{.name = "verbose",
.type = VSH_OT_BOOL,
.flags = 0,
.help = N_("display the progress of migration")
},
{.name = "domain",
.type = VSH_OT_DATA,
.flags = VSH_OFLAG_REQ,
.help = N_("domain name, id or uuid")
},
{.name = "desturi",
.type = VSH_OT_DATA,
.flags = VSH_OFLAG_REQ,
.help = N_("connection URI of the destination host as seen from the client(normal migration) or source(p2p migration)")
},
{.name = "migrateuri",
.type = VSH_OT_DATA,
.flags = 0,
.help = N_("migration URI, usually can be omitted")
},
{.name = "dname",
.type = VSH_OT_DATA,
.flags = 0,
.help = N_("rename to new name during migration (if supported)")
},
{.name = "timeout",
.type = VSH_OT_INT,
.flags = 0,
.help = N_("force guest to suspend if live migration exceeds timeout (in seconds)")
},
{.name = "xml",
.type = VSH_OT_STRING,
.flags = 0,
.help = N_("filename containing updated XML for the target")
},
{.name = NULL}
};
static void
doMigrate(void *opaque)
{
char ret = '1';
virDomainPtr dom = NULL;
const char *desturi = NULL;
const char *migrateuri = NULL;
const char *dname = NULL;
unsigned int flags = 0;
vshCtrlData *data = opaque;
vshControl *ctl = data->ctl;
const vshCmd *cmd = data->cmd;
const char *xmlfile = NULL;
char *xml = NULL;
sigset_t sigmask, oldsigmask;
sigemptyset(&sigmask);
sigaddset(&sigmask, SIGINT);
if (pthread_sigmask(SIG_BLOCK, &sigmask, &oldsigmask) < 0)
goto out_sig;
if (!(dom = vshCommandOptDomain(ctl, cmd, NULL)))
goto out;
if (vshCommandOptString(cmd, "desturi", &desturi) <= 0 ||
vshCommandOptString(cmd, "migrateuri", &migrateuri) < 0 ||
vshCommandOptString(cmd, "dname", &dname) < 0) {
vshError(ctl, "%s", _("missing argument"));
goto out;
}
if (vshCommandOptString(cmd, "xml", &xmlfile) < 0) {
vshError(ctl, "%s", _("malformed xml argument"));
goto out;
}
if (vshCommandOptBool(cmd, "live"))
flags |= VIR_MIGRATE_LIVE;
if (vshCommandOptBool(cmd, "p2p"))
flags |= VIR_MIGRATE_PEER2PEER;
if (vshCommandOptBool(cmd, "tunnelled"))
flags |= VIR_MIGRATE_TUNNELLED;
if (vshCommandOptBool(cmd, "persistent"))
flags |= VIR_MIGRATE_PERSIST_DEST;
if (vshCommandOptBool(cmd, "undefinesource"))
flags |= VIR_MIGRATE_UNDEFINE_SOURCE;
if (vshCommandOptBool(cmd, "suspend"))
flags |= VIR_MIGRATE_PAUSED;
if (vshCommandOptBool(cmd, "copy-storage-all"))
flags |= VIR_MIGRATE_NON_SHARED_DISK;
if (vshCommandOptBool(cmd, "copy-storage-inc"))
flags |= VIR_MIGRATE_NON_SHARED_INC;
if (vshCommandOptBool(cmd, "change-protection"))
flags |= VIR_MIGRATE_CHANGE_PROTECTION;
if (vshCommandOptBool(cmd, "unsafe"))
flags |= VIR_MIGRATE_UNSAFE;
if (vshCommandOptBool(cmd, "offline")) {
flags |= VIR_MIGRATE_OFFLINE;
}
if (xmlfile &&
virFileReadAll(xmlfile, 8192, &xml) < 0) {
vshError(ctl, _("file '%s' doesn't exist"), xmlfile);
goto out;
}
if ((flags & VIR_MIGRATE_PEER2PEER) ||
vshCommandOptBool(cmd, "direct")) {
/* For peer2peer migration or direct migration we only expect one URI
* a libvirt URI, or a hypervisor specific URI. */
if (migrateuri != NULL) {
vshError(ctl, "%s", _("migrate: Unexpected migrateuri for peer2peer/direct migration"));
goto out;
}
if (virDomainMigrateToURI2(dom, desturi, NULL, xml, flags, dname, 0) == 0)
ret = '0';
} else {
/* For traditional live migration, connect to the destination host directly. */
virConnectPtr dconn = NULL;
virDomainPtr ddom = NULL;
dconn = virConnectOpenAuth(desturi, virConnectAuthPtrDefault, 0);
if (!dconn) goto out;
ddom = virDomainMigrate2(dom, dconn, xml, flags, dname, migrateuri, 0);
if (ddom) {
virDomainFree(ddom);
ret = '0';
}
virConnectClose(dconn);
}
out:
pthread_sigmask(SIG_SETMASK, &oldsigmask, NULL);
out_sig:
if (dom) virDomainFree(dom);
VIR_FREE(xml);
ignore_value(safewrite(data->writefd, &ret, sizeof(ret)));
}
static void
vshMigrationTimeout(vshControl *ctl,
virDomainPtr dom,
void *opaque ATTRIBUTE_UNUSED)
{
vshDebug(ctl, VSH_ERR_DEBUG, "suspending the domain, "
"since migration timed out\n");
virDomainSuspend(dom);
}
static bool
cmdMigrate(vshControl *ctl, const vshCmd *cmd)
{
virDomainPtr dom = NULL;
int p[2] = {-1, -1};
virThread workerThread;
bool verbose = false;
bool functionReturn = false;
int timeout = 0;
bool live_flag = false;
vshCtrlData data;
if (!(dom = vshCommandOptDomain(ctl, cmd, NULL)))
return false;
if (vshCommandOptBool(cmd, "verbose"))
verbose = true;
if (vshCommandOptBool(cmd, "live"))
live_flag = true;
if (vshCommandOptInt(cmd, "timeout", &timeout) > 0) {
if (! live_flag) {
vshError(ctl, "%s",
_("migrate: Unexpected timeout for offline migration"));
goto cleanup;
}
if (timeout < 1) {
vshError(ctl, "%s", _("migrate: Invalid timeout"));
goto cleanup;
}
/* Ensure that we can multiply by 1000 without overflowing. */
if (timeout > INT_MAX / 1000) {
vshError(ctl, "%s", _("migrate: Timeout is too big"));
goto cleanup;
}
}
if (pipe(p) < 0)
goto cleanup;
data.ctl = ctl;
data.cmd = cmd;
data.writefd = p[1];
if (virThreadCreate(&workerThread,
true,
doMigrate,
&data) < 0)
goto cleanup;
functionReturn = vshWatchJob(ctl, dom, verbose, p[0], timeout,
vshMigrationTimeout, NULL, _("Migration"));
virThreadJoin(&workerThread);
cleanup:
virDomainFree(dom);
VIR_FORCE_CLOSE(p[0]);
VIR_FORCE_CLOSE(p[1]);
return functionReturn;
}
/*
* "migrate-setmaxdowntime" command
*/
static const vshCmdInfo info_migrate_setmaxdowntime[] = {
{"help", N_("set maximum tolerable downtime")},
{"desc", N_("Set maximum tolerable downtime of a domain which is being live-migrated to another host.")},
{NULL, NULL}
};
static const vshCmdOptDef opts_migrate_setmaxdowntime[] = {
{.name = "domain",
.type = VSH_OT_DATA,
.flags = VSH_OFLAG_REQ,
.help = N_("domain name, id or uuid")
},
{.name = "downtime",
.type = VSH_OT_INT,
.flags = VSH_OFLAG_REQ,
.help = N_("maximum tolerable downtime (in milliseconds) for migration")
},
{.name = NULL}
};
static bool
cmdMigrateSetMaxDowntime(vshControl *ctl, const vshCmd *cmd)
{
virDomainPtr dom = NULL;
long long downtime = 0;
bool ret = false;
if (!(dom = vshCommandOptDomain(ctl, cmd, NULL)))
return false;
if (vshCommandOptLongLong(cmd, "downtime", &downtime) < 0 ||
downtime < 1) {
vshError(ctl, "%s", _("migrate: Invalid downtime"));
goto done;
}
if (virDomainMigrateSetMaxDowntime(dom, downtime, 0))
goto done;
ret = true;
done:
virDomainFree(dom);
return ret;
}
/*
* "migrate-setspeed" command
*/
static const vshCmdInfo info_migrate_setspeed[] = {
{"help", N_("Set the maximum migration bandwidth")},
{"desc", N_("Set the maximum migration bandwidth (in MiB/s) for a domain "
"which is being migrated to another host.")},
{NULL, NULL}
};
static const vshCmdOptDef opts_migrate_setspeed[] = {
{.name = "domain",
.type = VSH_OT_DATA,
.flags = VSH_OFLAG_REQ,
.help = N_("domain name, id or uuid")
},
{.name = "bandwidth",
.type = VSH_OT_INT,
.flags = VSH_OFLAG_REQ,
.help = N_("migration bandwidth limit in MiB/s")
},
{.name = NULL}
};
static bool
cmdMigrateSetMaxSpeed(vshControl *ctl, const vshCmd *cmd)
{
virDomainPtr dom = NULL;
unsigned long bandwidth = 0;
bool ret = false;
if (!(dom = vshCommandOptDomain(ctl, cmd, NULL)))
return false;
if (vshCommandOptUL(cmd, "bandwidth", &bandwidth) < 0) {
vshError(ctl, "%s", _("migrate: Invalid bandwidth"));
goto done;
}
if (virDomainMigrateSetMaxSpeed(dom, bandwidth, 0) < 0)
goto done;
ret = true;
done:
virDomainFree(dom);
return ret;
}
/*
* "migrate-getspeed" command
*/
static const vshCmdInfo info_migrate_getspeed[] = {
{"help", N_("Get the maximum migration bandwidth")},
{"desc", N_("Get the maximum migration bandwidth (in MiB/s) for a domain.")},
{NULL, NULL}
};
static const vshCmdOptDef opts_migrate_getspeed[] = {
{.name = "domain",
.type = VSH_OT_DATA,
.flags = VSH_OFLAG_REQ,
.help = N_("domain name, id or uuid")
},
{.name = NULL}
};
static bool
cmdMigrateGetMaxSpeed(vshControl *ctl, const vshCmd *cmd)
{
virDomainPtr dom = NULL;
unsigned long bandwidth;
bool ret = false;
if (!(dom = vshCommandOptDomain(ctl, cmd, NULL)))
return false;
if (virDomainMigrateGetMaxSpeed(dom, &bandwidth, 0) < 0)
goto done;
vshPrint(ctl, "%lu\n", bandwidth);
ret = true;
done:
virDomainFree(dom);
return ret;
}
/*
* "domdisplay" command
*/
static const vshCmdInfo info_domdisplay[] = {
{"help", N_("domain display connection URI")},
{"desc", N_("Output the IP address and port number for the graphical display.")},
{NULL, NULL}
};
static const vshCmdOptDef opts_domdisplay[] = {
{.name = "domain",
.type = VSH_OT_DATA,
.flags = VSH_OFLAG_REQ,
.help = N_("domain name, id or uuid")
},
{.name = "include-password",
.type = VSH_OT_BOOL,
.flags = VSH_OFLAG_NONE,
.help = N_("includes the password into the connection URI if available")
},
{.name = NULL}
};
static bool
cmdDomDisplay(vshControl *ctl, const vshCmd *cmd)
{
xmlDocPtr xml = NULL;
xmlXPathContextPtr ctxt = NULL;
virDomainPtr dom;
virBuffer buf = VIR_BUFFER_INITIALIZER;
bool ret = false;
char *doc = NULL;
char *xpath = NULL;
char *listen_addr = NULL;
int port, tls_port = 0;
char *passwd = NULL;
char *output = NULL;
const char *scheme[] = { "vnc", "spice", "rdp", NULL };
int iter = 0;
int tmp;
int flags = 0;
bool params = false;
const char *xpath_fmt = "string(/domain/devices/graphics[@type='%s']/@%s)";
if (!(dom = vshCommandOptDomain(ctl, cmd, NULL)))
return false;
if (!virDomainIsActive(dom)) {
vshError(ctl, _("Domain is not running"));
goto cleanup;
}
if (vshCommandOptBool(cmd, "include-password"))
flags |= VIR_DOMAIN_XML_SECURE;
if (!(doc = virDomainGetXMLDesc(dom, flags)))
goto cleanup;
if (!(xml = virXMLParseStringCtxt(doc, _("(domain_definition)"), &ctxt)))
goto cleanup;
/* Attempt to grab our display info */
for (iter = 0; scheme[iter] != NULL; iter++) {
/* Create our XPATH lookup for the current display's port */
if (virAsprintf(&xpath, xpath_fmt, scheme[iter], "port") < 0)
goto no_memory;
/* Attempt to get the port number for the current graphics scheme */
tmp = virXPathInt(xpath, ctxt, &port);
VIR_FREE(xpath);
/* If there is no port number for this type, then jump to the next
* scheme */
if (tmp)
continue;
/* Create our XPATH lookup for the current display's address */
if (virAsprintf(&xpath, xpath_fmt, scheme[iter], "listen") < 0)
goto no_memory;
/* Attempt to get the listening addr if set for the current
* graphics scheme */
listen_addr = virXPathString(xpath, ctxt);
VIR_FREE(xpath);
/* We can query this info for all the graphics types since we'll
* get nothing for the unsupported ones (just rdp for now).
* Also the parameter '--include-password' was already taken
* care of when getting the XML */
/* Create our XPATH lookup for the password */
if (virAsprintf(&xpath, xpath_fmt, scheme[iter], "passwd") < 0)
goto no_memory;
/* Attempt to get the password */
passwd = virXPathString(xpath, ctxt);
VIR_FREE(xpath);
if (STREQ(scheme[iter], "vnc")) {
/* VNC protocol handlers take their port number as
* 'port' - 5900 */
port -= 5900;
}
/* Create our XPATH lookup for TLS Port (automatically skipped
* for unsupported schemes */
if (virAsprintf(&xpath, xpath_fmt, scheme[iter], "tlsPort") < 0)
goto no_memory;
/* Attempt to get the TLS port number */
tmp = virXPathInt(xpath, ctxt, &tls_port);
VIR_FREE(xpath);
if (tmp)
tls_port = 0;
/* Build up the full URI, starting with the scheme */
virBufferAsprintf(&buf, "%s://", scheme[iter]);
/* There is no user, so just append password if there's any */
if (STREQ(scheme[iter], "vnc") && passwd)
virBufferAsprintf(&buf, ":%s@", passwd);
/* Then host name or IP */
if (!listen_addr || STREQ((const char *)listen_addr, "0.0.0.0"))
virBufferAddLit(&buf, "localhost");
else
virBufferAsprintf(&buf, "%s", listen_addr);
/* Add the port */
virBufferAsprintf(&buf, ":%d", port);
/* TLS Port */
if (tls_port) {
virBufferAsprintf(&buf,
"%stls-port=%d",
params ? "&" : "?",
tls_port);
params = true;
}
if (STREQ(scheme[iter], "spice") && passwd) {
virBufferAsprintf(&buf,
"%spassword=%s",
params ? "&" : "?",
passwd);
params = true;
}
/* Ensure we can print our URI */
if (virBufferError(&buf)) {
vshPrint(ctl, "%s", _("Failed to create display URI"));
goto cleanup;
}
/* Print out our full URI */
output = virBufferContentAndReset(&buf);
vshPrint(ctl, "%s", output);
/* We got what we came for so return successfully */
ret = true;
break;
}
cleanup:
VIR_FREE(doc);
VIR_FREE(xpath);
VIR_FREE(passwd);
VIR_FREE(listen_addr);
VIR_FREE(output);
xmlXPathFreeContext(ctxt);
xmlFreeDoc(xml);
virDomainFree(dom);
return ret;
no_memory:
virReportOOMError();
goto cleanup;
}
/*
* "vncdisplay" command
*/
static const vshCmdInfo info_vncdisplay[] = {
{"help", N_("vnc display")},
{"desc", N_("Output the IP address and port number for the VNC display.")},
{NULL, NULL}
};
static const vshCmdOptDef opts_vncdisplay[] = {
{.name = "domain",
.type = VSH_OT_DATA,
.flags = VSH_OFLAG_REQ,
.help = N_("domain name, id or uuid")
},
{.name = NULL}
};
static bool
cmdVNCDisplay(vshControl *ctl, const vshCmd *cmd)
{
xmlDocPtr xml = NULL;
xmlXPathContextPtr ctxt = NULL;
virDomainPtr dom;
bool ret = false;
int port = 0;
char *doc = NULL;
char *listen_addr = NULL;
if (!(dom = vshCommandOptDomain(ctl, cmd, NULL)))
return false;
/* Check if the domain is active and don't rely on -1 for this */
if (!virDomainIsActive(dom)) {
vshError(ctl, _("Domain is not running"));
goto cleanup;
}
if (!(doc = virDomainGetXMLDesc(dom, 0)))
goto cleanup;
if (!(xml = virXMLParseStringCtxt(doc, _("(domain_definition)"), &ctxt)))
goto cleanup;
/* Get the VNC port */
if (virXPathInt("string(/domain/devices/graphics[@type='vnc']/@port)",
ctxt, &port)) {
vshError(ctl, _("Failed to get VNC port. Is this domain using VNC?"));
goto cleanup;
}
listen_addr = virXPathString("string(/domain/devices/graphics"
"[@type='vnc']/@listen)", ctxt);
if (listen_addr == NULL || STREQ(listen_addr, "0.0.0.0"))
vshPrint(ctl, ":%d\n", port-5900);
else
vshPrint(ctl, "%s:%d\n", listen_addr, port-5900);
ret = true;
cleanup:
VIR_FREE(doc);
VIR_FREE(listen_addr);
xmlXPathFreeContext(ctxt);
xmlFreeDoc(xml);
virDomainFree(dom);
return ret;
}
/*
* "ttyconsole" command
*/
static const vshCmdInfo info_ttyconsole[] = {
{"help", N_("tty console")},
{"desc", N_("Output the device for the TTY console.")},
{NULL, NULL}
};
static const vshCmdOptDef opts_ttyconsole[] = {
{.name = "domain",
.type = VSH_OT_DATA,
.flags = VSH_OFLAG_REQ,
.help = N_("domain name, id or uuid")
},
{.name = NULL}
};
static bool
cmdTTYConsole(vshControl *ctl, const vshCmd *cmd)
{
xmlDocPtr xml = NULL;
xmlXPathObjectPtr obj = NULL;
xmlXPathContextPtr ctxt = NULL;
virDomainPtr dom;
bool ret = false;
char *doc;
if (!(dom = vshCommandOptDomain(ctl, cmd, NULL)))
return false;
doc = virDomainGetXMLDesc(dom, 0);
if (!doc)
goto cleanup;
xml = virXMLParseStringCtxt(doc, _("(domain_definition)"), &ctxt);
VIR_FREE(doc);
if (!xml)
goto cleanup;
obj = xmlXPathEval(BAD_CAST "string(/domain/devices/console/@tty)", ctxt);
if (obj == NULL || obj->type != XPATH_STRING ||
obj->stringval == NULL || obj->stringval[0] == 0) {
goto cleanup;
}
vshPrint(ctl, "%s\n", (const char *)obj->stringval);
ret = true;
cleanup:
xmlXPathFreeObject(obj);
xmlXPathFreeContext(ctxt);
xmlFreeDoc(xml);
virDomainFree(dom);
return ret;
}
/*
* "domhostname" command
*/
static const vshCmdInfo info_domhostname[] = {
{"help", N_("print the domain's hostname")},
{"desc", ""},
{NULL, NULL}
};
static const vshCmdOptDef opts_domhostname[] = {
{.name = "domain",
.type = VSH_OT_DATA,
.flags = VSH_OFLAG_REQ,
.help = N_("domain name, id or uuid")
},
{.name = NULL}
};
static bool
cmdDomHostname(vshControl *ctl, const vshCmd *cmd)
{
char *hostname;
virDomainPtr dom;
bool ret = false;
if (!(dom = vshCommandOptDomain(ctl, cmd, NULL)))
return false;
hostname = virDomainGetHostname(dom, 0);
if (hostname == NULL) {
vshError(ctl, "%s", _("failed to get hostname"));
goto error;
}
vshPrint(ctl, "%s\n", hostname);
ret = true;
error:
VIR_FREE(hostname);
virDomainFree(dom);
return ret;
}
/**
* Check if n1 is superset of n2, meaning n1 contains all elements and
* attributes as n2 at least. Including children.
* @n1 first node
* @n2 second node
* returns true in case n1 covers n2, false otherwise.
*/
ATTRIBUTE_UNUSED
static bool
vshNodeIsSuperset(xmlNodePtr n1, xmlNodePtr n2)
{
xmlNodePtr child1, child2;
xmlAttrPtr attr;
char *prop1, *prop2;
bool found;
bool visited;
bool ret = false;
long n1_child_size, n2_child_size, n1_iter;
virBitmapPtr bitmap;
if (!n1 && !n2)
return true;
if (!n1 || !n2)
return false;
if (!xmlStrEqual(n1->name, n2->name))
return false;
/* Iterate over n2 attributes and check if n1 contains them*/
attr = n2->properties;
while (attr) {
if (attr->type == XML_ATTRIBUTE_NODE) {
prop1 = virXMLPropString(n1, (const char *) attr->name);
prop2 = virXMLPropString(n2, (const char *) attr->name);
if (STRNEQ_NULLABLE(prop1, prop2)) {
xmlFree(prop1);
xmlFree(prop2);
return false;
}
xmlFree(prop1);
xmlFree(prop2);
}
attr = attr->next;
}
n1_child_size = virXMLChildElementCount(n1);
n2_child_size = virXMLChildElementCount(n2);
if (n1_child_size < 0 || n2_child_size < 0 ||
n1_child_size < n2_child_size)
return false;
if (n1_child_size == 0 && n2_child_size == 0)
return true;
if (!(bitmap = virBitmapNew(n1_child_size))) {
virReportOOMError();
return false;
}
child2 = n2->children;
while (child2) {
if (child2->type != XML_ELEMENT_NODE) {
child2 = child2->next;
continue;
}
child1 = n1->children;
n1_iter = 0;
found = false;
while (child1) {
if (child1->type != XML_ELEMENT_NODE) {
child1 = child1->next;
continue;
}
if (virBitmapGetBit(bitmap, n1_iter, &visited) < 0) {
vshError(NULL, "%s", _("Bad child elements counting."));
goto cleanup;
}
if (visited) {
child1 = child1->next;
n1_iter++;
continue;
}
if (xmlStrEqual(child1->name, child2->name)) {
found = true;
if (virBitmapSetBit(bitmap, n1_iter) < 0) {
vshError(NULL, "%s", _("Bad child elements counting."));
goto cleanup;
}
if (!vshNodeIsSuperset(child1, child2))
goto cleanup;
break;
}
child1 = child1->next;
n1_iter++;
}
if (!found)
goto cleanup;
child2 = child2->next;
}
ret = true;
cleanup:
virBitmapFree(bitmap);
return ret;
}
/**
* vshCompleteXMLFromDomain:
* @ctl vshControl for error messages printing
* @dom domain
* @oldXML device XML before
* @newXML and after completion
*
* For given domain and (probably incomplete) device XML specification try to
* find such device in domain and complete missing parts. This is however
* possible only when given device XML is sufficiently precise so it addresses
* only one device.
*
* Returns -2 when no such device exists in domain, -3 when given XML selects many
* (is too ambiguous), 0 in case of success. Otherwise returns -1. @newXML
* is touched only in case of success.
*/
ATTRIBUTE_UNUSED
static int
vshCompleteXMLFromDomain(vshControl *ctl, virDomainPtr dom, char *oldXML,
char **newXML)
{
int funcRet = -1;
char *domXML = NULL;
xmlDocPtr domDoc = NULL, devDoc = NULL;
xmlNodePtr node = NULL;
xmlXPathContextPtr domCtxt = NULL, devCtxt = NULL;
xmlNodePtr *devices = NULL;
xmlSaveCtxtPtr sctxt = NULL;
int devices_size;
char *xpath = NULL;
xmlBufferPtr buf = NULL;
int i = 0;
int indx = -1;
if (!(domXML = virDomainGetXMLDesc(dom, 0))) {
vshError(ctl, _("couldn't get XML description of domain %s"),
virDomainGetName(dom));
goto cleanup;
}
domDoc = virXMLParseStringCtxt(domXML, _("(domain_definition)"), &domCtxt);
if (!domDoc) {
vshError(ctl, _("Failed to parse domain definition xml"));
goto cleanup;
}
devDoc = virXMLParseStringCtxt(oldXML, _("(device_definition)"), &devCtxt);
if (!devDoc) {
vshError(ctl, _("Failed to parse device definition xml"));
goto cleanup;
}
node = xmlDocGetRootElement(devDoc);
buf = xmlBufferCreate();
if (!buf) {
vshError(ctl, "%s", _("out of memory"));
goto cleanup;
}
/* Get all possible devices */
virAsprintf(&xpath, "/domain/devices/%s", node->name);
if (!xpath) {
virReportOOMError();
goto cleanup;
}
devices_size = virXPathNodeSet(xpath, domCtxt, &devices);
if (devices_size < 0) {
/* error */
vshError(ctl, "%s", _("error when selecting nodes"));
goto cleanup;
} else if (devices_size == 0) {
/* no such device */
funcRet = -2;
goto cleanup;
}
/* and refine */
for (i = 0; i < devices_size; i++) {
if (vshNodeIsSuperset(devices[i], node)) {
if (indx >= 0) {
funcRet = -3; /* ambiguous */
goto cleanup;
}
indx = i;
}
}
if (indx < 0) {
funcRet = -2; /* no such device */
goto cleanup;
}
vshDebug(ctl, VSH_ERR_DEBUG, "Found device at pos %d\n", indx);
if (newXML) {
sctxt = xmlSaveToBuffer(buf, NULL, 0);
if (!sctxt) {
vshError(ctl, "%s", _("failed to create document saving context"));
goto cleanup;
}
xmlSaveTree(sctxt, devices[indx]);
xmlSaveClose(sctxt);
*newXML = (char *) xmlBufferContent(buf);
if (!*newXML) {
virReportOOMError();
goto cleanup;
}
buf->content = NULL;
}
vshDebug(ctl, VSH_ERR_DEBUG, "Old xml:\n%s\nNew xml:\n%s\n", oldXML,
newXML ? NULLSTR(*newXML) : "(null)");
funcRet = 0;
cleanup:
xmlBufferFree(buf);
VIR_FREE(devices);
xmlXPathFreeContext(devCtxt);
xmlXPathFreeContext(domCtxt);
xmlFreeDoc(devDoc);
xmlFreeDoc(domDoc);
VIR_FREE(domXML);
VIR_FREE(xpath);
return funcRet;
}
/*
* "detach-device" command
*/
static const vshCmdInfo info_detach_device[] = {
{"help", N_("detach device from an XML file")},
{"desc", N_("Detach device from an XML <file>")},
{NULL, NULL}
};
static const vshCmdOptDef opts_detach_device[] = {
{.name = "domain",
.type = VSH_OT_DATA,
.flags = VSH_OFLAG_REQ,
.help = N_("domain name, id or uuid")
},
{.name = "file",
.type = VSH_OT_DATA,
.flags = VSH_OFLAG_REQ,
.help = N_("XML file")
},
{.name = "persistent",
.type = VSH_OT_ALIAS,
.flags = 0,
.help = "config"
},
{.name = "config",
.type = VSH_OT_BOOL,
.flags = 0,
.help = N_("affect next boot")
},
{.name = NULL}
};
static bool
cmdDetachDevice(vshControl *ctl, const vshCmd *cmd)
{
virDomainPtr dom = NULL;
const char *from = NULL;
char *buffer = NULL;
int ret;
bool funcRet = false;
unsigned int flags;
if (!(dom = vshCommandOptDomain(ctl, cmd, NULL)))
return false;
if (vshCommandOptString(cmd, "file", &from) <= 0)
goto cleanup;
if (virFileReadAll(from, VSH_MAX_XML_FILE, &buffer) < 0) {
vshReportError(ctl);
goto cleanup;
}
if (vshCommandOptBool(cmd, "config")) {
flags = VIR_DOMAIN_AFFECT_CONFIG;
if (virDomainIsActive(dom) == 1)
flags |= VIR_DOMAIN_AFFECT_LIVE;
ret = virDomainDetachDeviceFlags(dom, buffer, flags);
} else {
ret = virDomainDetachDevice(dom, buffer);
}
if (ret < 0) {
vshError(ctl, _("Failed to detach device from %s"), from);
goto cleanup;
}
vshPrint(ctl, "%s", _("Device detached successfully\n"));
funcRet = true;
cleanup:
VIR_FREE(buffer);
virDomainFree(dom);
return funcRet;
}
/*
* "update-device" command
*/
static const vshCmdInfo info_update_device[] = {
{"help", N_("update device from an XML file")},
{"desc", N_("Update device from an XML <file>.")},
{NULL, NULL}
};
static const vshCmdOptDef opts_update_device[] = {
{.name = "domain",
.type = VSH_OT_DATA,
.flags = VSH_OFLAG_REQ,
.help = N_("domain name, id or uuid")
},
{.name = "file",
.type = VSH_OT_DATA,
.flags = VSH_OFLAG_REQ,
.help = N_("XML file")
},
{.name = "persistent",
.type = VSH_OT_ALIAS,
.flags = 0,
.help = "config"
},
{.name = "config",
.type = VSH_OT_BOOL,
.flags = 0,
.help = N_("affect next boot")
},
{.name = "force",
.type = VSH_OT_BOOL,
.flags = 0,
.help = N_("force device update")
},
{.name = NULL}
};
static bool
cmdUpdateDevice(vshControl *ctl, const vshCmd *cmd)
{
virDomainPtr dom;
const char *from = NULL;
char *buffer;
int ret;
unsigned int flags;
if (!(dom = vshCommandOptDomain(ctl, cmd, NULL)))
return false;
if (vshCommandOptString(cmd, "file", &from) <= 0) {
virDomainFree(dom);
return false;
}
if (virFileReadAll(from, VSH_MAX_XML_FILE, &buffer) < 0) {
vshReportError(ctl);
virDomainFree(dom);
return false;
}
if (vshCommandOptBool(cmd, "config")) {
flags = VIR_DOMAIN_AFFECT_CONFIG;
if (virDomainIsActive(dom) == 1)
flags |= VIR_DOMAIN_AFFECT_LIVE;
} else {
flags = VIR_DOMAIN_AFFECT_LIVE;
}
if (vshCommandOptBool(cmd, "force"))
flags |= VIR_DOMAIN_DEVICE_MODIFY_FORCE;
ret = virDomainUpdateDeviceFlags(dom, buffer, flags);
VIR_FREE(buffer);
if (ret < 0) {
vshError(ctl, _("Failed to update device from %s"), from);
virDomainFree(dom);
return false;
} else {
vshPrint(ctl, "%s", _("Device updated successfully\n"));
}
virDomainFree(dom);
return true;
}
/*
* "detach-interface" command
*/
static const vshCmdInfo info_detach_interface[] = {
{"help", N_("detach network interface")},
{"desc", N_("Detach network interface.")},
{NULL, NULL}
};
static const vshCmdOptDef opts_detach_interface[] = {
{.name = "domain",
.type = VSH_OT_DATA,
.flags = VSH_OFLAG_REQ,
.help = N_("domain name, id or uuid")
},
{.name = "type",
.type = VSH_OT_DATA,
.flags = VSH_OFLAG_REQ,
.help = N_("network interface type")
},
{.name = "mac",
.type = VSH_OT_STRING,
.flags = 0,
.help = N_("MAC address")
},
{.name = "persistent",
.type = VSH_OT_ALIAS,
.flags = 0,
.help = "config"
},
{.name = "config",
.type = VSH_OT_BOOL,
.flags = 0,
.help = N_("affect next boot")
},
{.name = NULL}
};
static bool
cmdDetachInterface(vshControl *ctl, const vshCmd *cmd)
{
virDomainPtr dom = NULL;
xmlDocPtr xml = NULL;
xmlXPathObjectPtr obj=NULL;
xmlXPathContextPtr ctxt = NULL;
xmlNodePtr cur = NULL, matchNode = NULL;
xmlBufferPtr xml_buf = NULL;
const char *mac =NULL, *type = NULL;
char *doc;
char buf[64];
int i = 0, diff_mac;
int ret;
int functionReturn = false;
unsigned int flags;
if (!(dom = vshCommandOptDomain(ctl, cmd, NULL)))
goto cleanup;
if (vshCommandOptString(cmd, "type", &type) <= 0)
goto cleanup;
if (vshCommandOptString(cmd, "mac", &mac) < 0) {
vshError(ctl, "%s", _("missing option"));
goto cleanup;
}
doc = virDomainGetXMLDesc(dom, 0);
if (!doc)
goto cleanup;
xml = virXMLParseStringCtxt(doc, _("(domain_definition)"), &ctxt);
VIR_FREE(doc);
if (!xml) {
vshError(ctl, "%s", _("Failed to get interface information"));
goto cleanup;
}
snprintf(buf, sizeof(buf), "/domain/devices/interface[@type='%s']", type);
obj = xmlXPathEval(BAD_CAST buf, ctxt);
if (obj == NULL || obj->type != XPATH_NODESET ||
obj->nodesetval == NULL || obj->nodesetval->nodeNr == 0) {
vshError(ctl, _("No found interface whose type is %s"), type);
goto cleanup;
}
if (!mac && obj->nodesetval->nodeNr > 1) {
vshError(ctl, _("Domain has %d interfaces. Please specify which one "
"to detach using --mac"), obj->nodesetval->nodeNr);
goto cleanup;
}
if (!mac) {
matchNode = obj->nodesetval->nodeTab[0];
goto hit;
}
/* multiple possibilities, so search for matching mac */
for (; i < obj->nodesetval->nodeNr; i++) {
cur = obj->nodesetval->nodeTab[i]->children;
while (cur != NULL) {
if (cur->type == XML_ELEMENT_NODE &&
xmlStrEqual(cur->name, BAD_CAST "mac")) {
char *tmp_mac = virXMLPropString(cur, "address");
diff_mac = virMacAddrCompare(tmp_mac, mac);
VIR_FREE(tmp_mac);
if (!diff_mac) {
if (matchNode) {
/* this is the 2nd match, so it's ambiguous */
vshError(ctl, _("Domain has multiple interfaces matching "
"MAC address %s. You must use detach-device and "
"specify the device pci address to remove it."),
mac);
goto cleanup;
}
matchNode = obj->nodesetval->nodeTab[i];
}
}
cur = cur->next;
}
}
if (!matchNode) {
vshError(ctl, _("No interface with MAC address %s was found"), mac);
goto cleanup;
}
hit:
xml_buf = xmlBufferCreate();
if (!xml_buf) {
vshError(ctl, "%s", _("Failed to allocate memory"));
goto cleanup;
}
if (xmlNodeDump(xml_buf, xml, matchNode, 0, 0) < 0) {
vshError(ctl, "%s", _("Failed to create XML"));
goto cleanup;
}
if (vshCommandOptBool(cmd, "config")) {
flags = VIR_DOMAIN_AFFECT_CONFIG;
if (virDomainIsActive(dom) == 1)
flags |= VIR_DOMAIN_AFFECT_LIVE;
ret = virDomainDetachDeviceFlags(dom,
(char *)xmlBufferContent(xml_buf),
flags);
} else {
ret = virDomainDetachDevice(dom, (char *)xmlBufferContent(xml_buf));
}
if (ret != 0) {
vshError(ctl, "%s", _("Failed to detach interface"));
} else {
vshPrint(ctl, "%s", _("Interface detached successfully\n"));
functionReturn = true;
}
cleanup:
if (dom)
virDomainFree(dom);
xmlXPathFreeObject(obj);
xmlXPathFreeContext(ctxt);
xmlFreeDoc(xml);
xmlBufferFree(xml_buf);
return functionReturn;
}
typedef enum {
VSH_FIND_DISK_NORMAL,
VSH_FIND_DISK_CHANGEABLE,
} vshFindDiskType;
/* Helper function to find disk device in XML doc. Returns the disk
* node on success, or NULL on failure. Caller must free the result
* @path: Fully-qualified path or target of disk device.
* @type: Either VSH_FIND_DISK_NORMAL or VSH_FIND_DISK_CHANGEABLE.
*/
static xmlNodePtr
vshFindDisk(const char *doc,
const char *path,
int type)
{
xmlDocPtr xml = NULL;
xmlXPathObjectPtr obj= NULL;
xmlXPathContextPtr ctxt = NULL;
xmlNodePtr cur = NULL;
xmlNodePtr ret = NULL;
int i = 0;
xml = virXMLParseStringCtxt(doc, _("(domain_definition)"), &ctxt);
if (!xml) {
vshError(NULL, "%s", _("Failed to get disk information"));
goto cleanup;
}
obj = xmlXPathEval(BAD_CAST "/domain/devices/disk", ctxt);
if (obj == NULL ||
obj->type != XPATH_NODESET ||
obj->nodesetval == NULL ||
obj->nodesetval->nodeNr == 0) {
vshError(NULL, "%s", _("Failed to get disk information"));
goto cleanup;
}
/* search disk using @path */
for (; i < obj->nodesetval->nodeNr; i++) {
bool is_supported = true;
if (type == VSH_FIND_DISK_CHANGEABLE) {
xmlNodePtr n = obj->nodesetval->nodeTab[i];
is_supported = false;
/* Check if the disk is CDROM or floppy disk */
if (xmlStrEqual(n->name, BAD_CAST "disk")) {
char *device_value = virXMLPropString(n, "device");
if (STREQ(device_value, "cdrom") ||
STREQ(device_value, "floppy"))
is_supported = true;
VIR_FREE(device_value);
}
if (!is_supported)
continue;
}
cur = obj->nodesetval->nodeTab[i]->children;
while (cur != NULL) {
if (cur->type == XML_ELEMENT_NODE) {
char *tmp = NULL;
if (xmlStrEqual(cur->name, BAD_CAST "source")) {
if ((tmp = virXMLPropString(cur, "file")) ||
(tmp = virXMLPropString(cur, "dev")) ||
(tmp = virXMLPropString(cur, "dir")) ||
(tmp = virXMLPropString(cur, "name"))) {
}
} else if (xmlStrEqual(cur->name, BAD_CAST "target")) {
tmp = virXMLPropString(cur, "dev");
}
if (STREQ_NULLABLE(tmp, path)) {
ret = xmlCopyNode(obj->nodesetval->nodeTab[i], 1);
VIR_FREE(tmp);
goto cleanup;
}
VIR_FREE(tmp);
}
cur = cur->next;
}
}
vshError(NULL, _("No found disk whose source path or target is %s"), path);
cleanup:
xmlXPathFreeObject(obj);
xmlXPathFreeContext(ctxt);
xmlFreeDoc(xml);
return ret;
}
typedef enum {
VSH_PREPARE_DISK_XML_NONE = 0,
VSH_PREPARE_DISK_XML_EJECT,
VSH_PREPARE_DISK_XML_INSERT,
VSH_PREPARE_DISK_XML_UPDATE,
} vshPrepareDiskXMLType;
/* Helper function to prepare disk XML. Could be used for disk
* detaching, media changing(ejecting, inserting, updating)
* for changeable disk. Returns the processed XML as string on
* success, or NULL on failure. Caller must free the result.
*/
static char *
vshPrepareDiskXML(xmlNodePtr disk_node,
const char *source,
const char *path,
int type)
{
xmlNodePtr cur = NULL;
xmlBufferPtr xml_buf = NULL;
const char *disk_type = NULL;
const char *device_type = NULL;
xmlNodePtr new_node = NULL;
char *ret = NULL;
if (!disk_node)
return NULL;
xml_buf = xmlBufferCreate();
if (!xml_buf) {
vshError(NULL, "%s", _("Failed to allocate memory"));
return NULL;
}
device_type = virXMLPropString(disk_node, "device");
if (STREQ_NULLABLE(device_type, "cdrom") ||
STREQ_NULLABLE(device_type, "floppy")) {
bool has_source = false;
disk_type = virXMLPropString(disk_node, "type");
cur = disk_node->children;
while (cur != NULL) {
if (cur->type == XML_ELEMENT_NODE &&
xmlStrEqual(cur->name, BAD_CAST "source")) {
has_source = true;
break;
}
cur = cur->next;
}
if (!has_source) {
if (type == VSH_PREPARE_DISK_XML_EJECT) {
vshError(NULL, _("The disk device '%s' doesn't have media"),
path);
goto error;
}
if (source) {
new_node = xmlNewNode(NULL, BAD_CAST "source");
xmlNewProp(new_node, (const xmlChar *)disk_type,
(const xmlChar *)source);
xmlAddChild(disk_node, new_node);
} else if (type == VSH_PREPARE_DISK_XML_INSERT) {
vshError(NULL, _("No source is specified for inserting media"));
goto error;
} else if (type == VSH_PREPARE_DISK_XML_UPDATE) {
vshError(NULL, _("No source is specified for updating media"));
goto error;
}
}
if (has_source) {
if (type == VSH_PREPARE_DISK_XML_INSERT) {
vshError(NULL, _("The disk device '%s' already has media"),
path);
goto error;
}
/* Remove the source if it tends to eject/update media. */
xmlUnlinkNode(cur);
xmlFreeNode(cur);
if (source && (type == VSH_PREPARE_DISK_XML_UPDATE)) {
new_node = xmlNewNode(NULL, BAD_CAST "source");
xmlNewProp(new_node, (const xmlChar *)disk_type,
(const xmlChar *)source);
xmlAddChild(disk_node, new_node);
}
}
}
if (xmlNodeDump(xml_buf, NULL, disk_node, 0, 0) < 0) {
vshError(NULL, "%s", _("Failed to create XML"));
goto error;
}
goto cleanup;
cleanup:
VIR_FREE(device_type);
VIR_FREE(disk_type);
if (xml_buf) {
int len = xmlBufferLength(xml_buf);
if (VIR_ALLOC_N(ret, len + 1) < 0) {
virReportOOMError();
return NULL;
}
memcpy(ret, (char *)xmlBufferContent(xml_buf), len);
ret[len] = '\0';
xmlBufferFree(xml_buf);
}
return ret;
error:
xmlBufferFree(xml_buf);
xml_buf = NULL;
goto cleanup;
}
/*
* "detach-disk" command
*/
static const vshCmdInfo info_detach_disk[] = {
{"help", N_("detach disk device")},
{"desc", N_("Detach disk device.")},
{NULL, NULL}
};
static const vshCmdOptDef opts_detach_disk[] = {
{.name = "domain",
.type = VSH_OT_DATA,
.flags = VSH_OFLAG_REQ,
.help = N_("domain name, id or uuid")
},
{.name = "target",
.type = VSH_OT_DATA,
.flags = VSH_OFLAG_REQ,
.help = N_("target of disk device")
},
{.name = "persistent",
.type = VSH_OT_ALIAS,
.flags = 0,
.help = "config"
},
{.name = "config",
.type = VSH_OT_BOOL,
.flags = 0,
.help = N_("affect next boot")
},
{.name = NULL}
};
static bool
cmdDetachDisk(vshControl *ctl, const vshCmd *cmd)
{
char *disk_xml = NULL;
virDomainPtr dom = NULL;
const char *target = NULL;
char *doc = NULL;
int ret;
bool functionReturn = false;
unsigned int flags;
xmlNodePtr disk_node = NULL;
if (!(dom = vshCommandOptDomain(ctl, cmd, NULL)))
goto cleanup;
if (vshCommandOptString(cmd, "target", &target) <= 0)
goto cleanup;
doc = virDomainGetXMLDesc(dom, 0);
if (!doc)
goto cleanup;
if (!(disk_node = vshFindDisk(doc, target, VSH_FIND_DISK_NORMAL)))
goto cleanup;
if (!(disk_xml = vshPrepareDiskXML(disk_node, NULL, NULL,
VSH_PREPARE_DISK_XML_NONE)))
goto cleanup;
if (vshCommandOptBool(cmd, "config")) {
flags = VIR_DOMAIN_AFFECT_CONFIG;
if (virDomainIsActive(dom) == 1)
flags |= VIR_DOMAIN_AFFECT_LIVE;
ret = virDomainDetachDeviceFlags(dom,
disk_xml,
flags);
} else {
ret = virDomainDetachDevice(dom, disk_xml);
}
if (ret != 0) {
vshError(ctl, "%s", _("Failed to detach disk"));
} else {
vshPrint(ctl, "%s", _("Disk detached successfully\n"));
functionReturn = true;
}
cleanup:
xmlFreeNode(disk_node);
VIR_FREE(disk_xml);
VIR_FREE(doc);
if (dom)
virDomainFree(dom);
return functionReturn;
}
/*
* "edit" command
*/
static const vshCmdInfo info_edit[] = {
{"help", N_("edit XML configuration for a domain")},
{"desc", N_("Edit the XML configuration for a domain.")},
{NULL, NULL}
};
static const vshCmdOptDef opts_edit[] = {
{.name = "domain",
.type = VSH_OT_DATA,
.flags = VSH_OFLAG_REQ,
.help = N_("domain name, id or uuid")
},
{.name = NULL}
};
static bool
cmdEdit(vshControl *ctl, const vshCmd *cmd)
{
bool ret = false;
virDomainPtr dom = NULL;
virDomainPtr dom_edited = NULL;
unsigned int flags = VIR_DOMAIN_XML_SECURE | VIR_DOMAIN_XML_INACTIVE;
dom = vshCommandOptDomain(ctl, cmd, NULL);
if (dom == NULL)
goto cleanup;
#define EDIT_GET_XML virDomainGetXMLDesc(dom, flags)
#define EDIT_NOT_CHANGED \
vshPrint(ctl, _("Domain %s XML configuration not changed.\n"), \
virDomainGetName(dom)); \
ret = true; goto edit_cleanup;
#define EDIT_DEFINE \
(dom_edited = virDomainDefineXML(ctl->conn, doc_edited))
#define EDIT_FREE \
if (dom_edited) \
virDomainFree(dom_edited);
#include "virsh-edit.c"
vshPrint(ctl, _("Domain %s XML configuration edited.\n"),
virDomainGetName(dom_edited));
ret = true;
cleanup:
if (dom)
virDomainFree(dom);
if (dom_edited)
virDomainFree(dom_edited);
return ret;
}
/*
* "change-media" command
*/
static const vshCmdInfo info_change_media[] = {
{"help", N_("Change media of CD or floppy drive")},
{"desc", N_("Change media of CD or floppy drive.")},
{NULL, NULL}
};
static const vshCmdOptDef opts_change_media[] = {
{.name = "domain",
.type = VSH_OT_DATA,
.flags = VSH_OFLAG_REQ,
.help = N_("domain name, id or uuid")
},
{.name = "path",
.type = VSH_OT_DATA,
.flags = VSH_OFLAG_REQ,
.help = N_("Fully-qualified path or target of disk device")
},
{.name = "source",
.type = VSH_OT_DATA,
.flags = 0,
.help = N_("source of the media")
},
{.name = "eject",
.type = VSH_OT_BOOL,
.flags = 0,
.help = N_("Eject the media")
},
{.name = "insert",
.type = VSH_OT_BOOL,
.flags = 0,
.help = N_("Insert the media")
},
{.name = "update",
.type = VSH_OT_BOOL,
.flags = 0,
.help = N_("Update the media")
},
{.name = "current",
.type = VSH_OT_BOOL,
.flags = 0,
.help = N_("can be either or both of --live and --config, "
"depends on implementation of hypervisor driver")
},
{.name = "live",
.type = VSH_OT_BOOL,
.flags = 0,
.help = N_("alter live configuration of running domain")
},
{.name = "config",
.type = VSH_OT_BOOL,
.flags = 0,
.help = N_("alter persistent configuration, effect observed on next boot")
},
{.name = "force",
.type = VSH_OT_BOOL,
.flags = 0,
.help = N_("force media changing")
},
{.name = NULL}
};
static bool
cmdChangeMedia(vshControl *ctl, const vshCmd *cmd)
{
virDomainPtr dom = NULL;
const char *source = NULL;
const char *path = NULL;
const char *doc = NULL;
xmlNodePtr disk_node = NULL;
const char *disk_xml = NULL;
int flags = 0;
bool config, live, current, force = false;
bool eject, insert, update = false;
bool ret = false;
int prepare_type = 0;
const char *action = NULL;
config = vshCommandOptBool(cmd, "config");
live = vshCommandOptBool(cmd, "live");
current = vshCommandOptBool(cmd, "current");
force = vshCommandOptBool(cmd, "force");
eject = vshCommandOptBool(cmd, "eject");
insert = vshCommandOptBool(cmd, "insert");
update = vshCommandOptBool(cmd, "update");
if (eject + insert + update > 1) {
vshError(ctl, "%s", _("--eject, --insert, and --update must be specified "
"exclusively."));
return false;
}
if (eject) {
prepare_type = VSH_PREPARE_DISK_XML_EJECT;
action = "eject";
}
if (insert) {
prepare_type = VSH_PREPARE_DISK_XML_INSERT;
action = "insert";
}
if (update || (!eject && !insert)) {
prepare_type = VSH_PREPARE_DISK_XML_UPDATE;
action = "update";
}
if (current) {
if (live || config) {
vshError(ctl, "%s", _("--current must be specified exclusively"));
return false;
}
flags = VIR_DOMAIN_AFFECT_CURRENT;
} else {
if (config)
flags |= VIR_DOMAIN_AFFECT_CONFIG;
if (live)
flags |= VIR_DOMAIN_AFFECT_LIVE;
}
if (force)
flags |= VIR_DOMAIN_DEVICE_MODIFY_FORCE;
if (!(dom = vshCommandOptDomain(ctl, cmd, NULL)))
goto cleanup;
if (vshCommandOptString(cmd, "path", &path) <= 0)
goto cleanup;
if (vshCommandOptString(cmd, "source", &source) < 0)
goto cleanup;
if (insert && !source) {
vshError(ctl, "%s", _("No disk source specified for inserting"));
goto cleanup;
}
if (flags & VIR_DOMAIN_AFFECT_CONFIG)
doc = virDomainGetXMLDesc(dom, VIR_DOMAIN_XML_INACTIVE);
else
doc = virDomainGetXMLDesc(dom, 0);
if (!doc)
goto cleanup;
if (!(disk_node = vshFindDisk(doc, path, VSH_FIND_DISK_CHANGEABLE)))
goto cleanup;
if (!(disk_xml = vshPrepareDiskXML(disk_node, source, path, prepare_type)))
goto cleanup;
if (virDomainUpdateDeviceFlags(dom, disk_xml, flags) != 0) {
vshError(ctl, _("Failed to complete action %s on media"), action);
goto cleanup;
}
vshPrint(ctl, _("succeeded to complete action %s on media\n"), action);
ret = true;
cleanup:
VIR_FREE(doc);
xmlFreeNode(disk_node);
VIR_FREE(disk_xml);
if (dom)
virDomainFree(dom);
return ret;
}
static const vshCmdInfo info_domfstrim[] = {
{"help", N_("Invoke fstrim on domain's mounted filesystems.")},
{"desc", N_("Invoke fstrim on domain's mounted filesystems.")},
{NULL, NULL}
};
static const vshCmdOptDef opts_domfstrim[] = {
{.name = "domain",
.type = VSH_OT_DATA,
.flags = VSH_OFLAG_REQ,
.help = N_("domain name, id or uuid")
},
{.name = "minimum",
.type = VSH_OT_INT,
.flags = 0,
.help = N_("Just a hint to ignore contiguous "
"free ranges smaller than this (Bytes)")
},
{.name = "mountpoint",
.type = VSH_OT_DATA,
.flags = 0,
.help = N_("which mount point to trim")
},
{NULL, 0, 0, NULL}
};
static bool
cmdDomFSTrim(vshControl *ctl, const vshCmd *cmd)
{
virDomainPtr dom = NULL;
bool ret = false;
unsigned long long minimum = 0;
const char *mountPoint = NULL;
unsigned int flags = 0;
if (!(dom = vshCommandOptDomain(ctl, cmd, NULL)))
goto cleanup;
if (vshCommandOptULongLong(cmd, "minimum", &minimum) < 0) {
vshError(ctl, _("Unable to parse integer parameter minimum"));
goto cleanup;
}
if (vshCommandOptString(cmd, "mountpoint", &mountPoint) < 0) {
vshError(ctl, _("Unable to parse mountpoint parameter"));
goto cleanup;
}
if (virDomainFSTrim(dom, mountPoint, minimum, flags) < 0) {
vshError(ctl, _("Unable to invoke fstrim"));
goto cleanup;
}
ret = true;
cleanup:
return ret;
}
const vshCmdDef domManagementCmds[] = {
{"attach-device", cmdAttachDevice, opts_attach_device,
info_attach_device, 0},
{"attach-disk", cmdAttachDisk, opts_attach_disk,
info_attach_disk, 0},
{"attach-interface", cmdAttachInterface, opts_attach_interface,
info_attach_interface, 0},
{"autostart", cmdAutostart, opts_autostart, info_autostart, 0},
{"blkdeviotune", cmdBlkdeviotune, opts_blkdeviotune, info_blkdeviotune, 0},
{"blkiotune", cmdBlkiotune, opts_blkiotune, info_blkiotune, 0},
{"blockcommit", cmdBlockCommit, opts_block_commit, info_block_commit, 0},
{"blockcopy", cmdBlockCopy, opts_block_copy, info_block_copy, 0},
{"blockjob", cmdBlockJob, opts_block_job, info_block_job, 0},
{"blockpull", cmdBlockPull, opts_block_pull, info_block_pull, 0},
{"blockresize", cmdBlockResize, opts_block_resize, info_block_resize, 0},
{"change-media", cmdChangeMedia, opts_change_media, info_change_media, 0},
#ifndef WIN32
{"console", cmdConsole, opts_console, info_console, 0},
#endif
{"cpu-baseline", cmdCPUBaseline, opts_cpu_baseline, info_cpu_baseline, 0},
{"cpu-compare", cmdCPUCompare, opts_cpu_compare, info_cpu_compare, 0},
{"cpu-stats", cmdCPUStats, opts_cpu_stats, info_cpu_stats, 0},
{"create", cmdCreate, opts_create, info_create, 0},
{"define", cmdDefine, opts_define, info_define, 0},
{"desc", cmdDesc, opts_desc, info_desc, 0},
{"destroy", cmdDestroy, opts_destroy, info_destroy, 0},
{"detach-device", cmdDetachDevice, opts_detach_device,
info_detach_device, 0},
{"detach-disk", cmdDetachDisk, opts_detach_disk, info_detach_disk, 0},
{"detach-interface", cmdDetachInterface, opts_detach_interface,
info_detach_interface, 0},
{"domdisplay", cmdDomDisplay, opts_domdisplay, info_domdisplay, 0},
{"domfstrim", cmdDomFSTrim, opts_domfstrim, info_domfstrim, 0},
{"domhostname", cmdDomHostname, opts_domhostname, info_domhostname, 0},
{"domid", cmdDomid, opts_domid, info_domid, 0},
{"domif-setlink", cmdDomIfSetLink, opts_domif_setlink, info_domif_setlink, 0},
{"domiftune", cmdDomIftune, opts_domiftune, info_domiftune, 0},
{"domjobabort", cmdDomjobabort, opts_domjobabort, info_domjobabort, 0},
{"domjobinfo", cmdDomjobinfo, opts_domjobinfo, info_domjobinfo, 0},
{"domname", cmdDomname, opts_domname, info_domname, 0},
{"dompmsuspend", cmdDomPMSuspend,
opts_dom_pm_suspend, info_dom_pm_suspend, 0},
{"dompmwakeup", cmdDomPMWakeup,
opts_dom_pm_wakeup, info_dom_pm_wakeup, 0},
{"domuuid", cmdDomuuid, opts_domuuid, info_domuuid, 0},
{"domxml-from-native", cmdDomXMLFromNative, opts_domxmlfromnative,
info_domxmlfromnative, 0},
{"domxml-to-native", cmdDomXMLToNative, opts_domxmltonative,
info_domxmltonative, 0},
{"dump", cmdDump, opts_dump, info_dump, 0},
{"dumpxml", cmdDumpXML, opts_dumpxml, info_dumpxml, 0},
{"edit", cmdEdit, opts_edit, info_edit, 0},
{"inject-nmi", cmdInjectNMI, opts_inject_nmi, info_inject_nmi, 0},
{"send-key", cmdSendKey, opts_send_key, info_send_key, 0},
{"send-process-signal", cmdSendProcessSignal, opts_send_process_signal, info_send_process_signal, 0},
{"lxc-enter-namespace", cmdLxcEnterNamespace, opts_lxc_enter_namespace, info_lxc_enter_namespace, 0},
{"managedsave", cmdManagedSave, opts_managedsave, info_managedsave, 0},
{"managedsave-remove", cmdManagedSaveRemove, opts_managedsaveremove,
info_managedsaveremove, 0},
{"maxvcpus", cmdMaxvcpus, opts_maxvcpus, info_maxvcpus, 0},
{"memtune", cmdMemtune, opts_memtune, info_memtune, 0},
{"migrate", cmdMigrate, opts_migrate, info_migrate, 0},
{"migrate-setmaxdowntime", cmdMigrateSetMaxDowntime,
opts_migrate_setmaxdowntime, info_migrate_setmaxdowntime, 0},
{"migrate-setspeed", cmdMigrateSetMaxSpeed,
opts_migrate_setspeed, info_migrate_setspeed, 0},
{"migrate-getspeed", cmdMigrateGetMaxSpeed,
opts_migrate_getspeed, info_migrate_getspeed, 0},
{"numatune", cmdNumatune, opts_numatune, info_numatune, 0},
{"qemu-attach", cmdQemuAttach, opts_qemu_attach, info_qemu_attach, 0},
{"qemu-monitor-command", cmdQemuMonitorCommand, opts_qemu_monitor_command,
info_qemu_monitor_command, 0},
{"qemu-agent-command", cmdQemuAgentCommand, opts_qemu_agent_command,
info_qemu_agent_command, 0},
{"reboot", cmdReboot, opts_reboot, info_reboot, 0},
{"reset", cmdReset, opts_reset, info_reset, 0},
{"restore", cmdRestore, opts_restore, info_restore, 0},
{"resume", cmdResume, opts_resume, info_resume, 0},
{"save", cmdSave, opts_save, info_save, 0},
{"save-image-define", cmdSaveImageDefine, opts_save_image_define,
info_save_image_define, 0},
{"save-image-dumpxml", cmdSaveImageDumpxml, opts_save_image_dumpxml,
info_save_image_dumpxml, 0},
{"save-image-edit", cmdSaveImageEdit, opts_save_image_edit,
info_save_image_edit, 0},
{"schedinfo", cmdSchedinfo, opts_schedinfo, info_schedinfo, 0},
{"screenshot", cmdScreenshot, opts_screenshot, info_screenshot, 0},
{"setmaxmem", cmdSetmaxmem, opts_setmaxmem, info_setmaxmem, 0},
{"setmem", cmdSetmem, opts_setmem, info_setmem, 0},
{"setvcpus", cmdSetvcpus, opts_setvcpus, info_setvcpus, 0},
{"shutdown", cmdShutdown, opts_shutdown, info_shutdown, 0},
{"start", cmdStart, opts_start, info_start, 0},
{"suspend", cmdSuspend, opts_suspend, info_suspend, 0},
{"ttyconsole", cmdTTYConsole, opts_ttyconsole, info_ttyconsole, 0},
{"undefine", cmdUndefine, opts_undefine, info_undefine, 0},
{"update-device", cmdUpdateDevice, opts_update_device,
info_update_device, 0},
{"vcpucount", cmdVcpucount, opts_vcpucount, info_vcpucount, 0},
{"vcpuinfo", cmdVcpuinfo, opts_vcpuinfo, info_vcpuinfo, 0},
{"vcpupin", cmdVcpuPin, opts_vcpupin, info_vcpupin, 0},
{"emulatorpin", cmdEmulatorPin, opts_emulatorpin, info_emulatorpin, 0},
{"vncdisplay", cmdVNCDisplay, opts_vncdisplay, info_vncdisplay, 0},
{NULL, NULL, NULL, NULL, 0}
};
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