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9d5e267e9a
libvirt/src/virsh.c
Richard W.M. Jones 9d5e267e9a Tue Aug 7 16:24:00 BST 2007 Richard W.M. Jones <rjones@redhat.com> 
* src/virsh.c: Include <time.h> (bug reported by Jan Michael).
2007-08-07 15:26:51 +00:00

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/*
* virsh.c: a Xen shell used to exercise the libvirt API
*
* Copyright (C) 2005 Red Hat, Inc.
*
* See COPYING.LIB for the License of this software
*
* Daniel Veillard <veillard@redhat.com>
* Karel Zak <kzak@redhat.com>
* Daniel P. Berrange <berrange@redhat.com>
*
*
* $Id$
*/
#include "libvirt/libvirt.h"
#include "libvirt/virterror.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <stdarg.h>
#include <unistd.h>
#include <errno.h>
#include <getopt.h>
#include <sys/types.h>
#include <sys/time.h>
#include <ctype.h>
#include <fcntl.h>
#include <locale.h>
#include <limits.h>
#include <assert.h>
#include <errno.h>
#include <sys/stat.h>
#include <test.h>
#include <libxml/parser.h>
#include <libxml/tree.h>
#include <libxml/xpath.h>
#include <readline/readline.h>
#include <readline/history.h>
#include "config.h"
#include "internal.h"
#include "console.h"
static char *progname;
#ifndef TRUE
#define TRUE 1
#define FALSE 0
#endif
#define VSH_PROMPT_RW "virsh # "
#define VSH_PROMPT_RO "virsh > "
#define GETTIMEOFDAY(T) gettimeofday(T, NULL)
#define DIFF_MSEC(T, U) \
((((int) ((T)->tv_sec - (U)->tv_sec)) * 1000000.0 + \
((int) ((T)->tv_usec - (U)->tv_usec))) / 1000.0)
/**
* The log configuration
*/
#define MSG_BUFFER 4096
#define SIGN_NAME "virsh"
#define DIR_MODE (S_IWUSR | S_IRUSR | S_IXUSR | S_IRGRP | S_IXGRP | S_IROTH | S_IXOTH) /* 0755 */
#define FILE_MODE (S_IWUSR | S_IRUSR | S_IRGRP | S_IROTH) /* 0644 */
#define LOCK_MODE (S_IWUSR | S_IRUSR) /* 0600 */
#define LVL_DEBUG "DEBUG"
#define LVL_INFO "INFO"
#define LVL_NOTICE "NOTICE"
#define LVL_WARNING "WARNING"
#define LVL_ERROR "ERROR"
/**
* vshErrorLevel:
*
* Indicates the level of an log message
*/
typedef enum {
VSH_ERR_DEBUG = 0,
VSH_ERR_INFO,
VSH_ERR_NOTICE,
VSH_ERR_WARNING,
VSH_ERR_ERROR
} vshErrorLevel;
/*
* The error handler for virtsh
*/
static void
virshErrorHandler(void *unused, virErrorPtr error)
{
if ((unused != NULL) || (error == NULL))
return;
/* Suppress the VIR_ERR_NO_XEN error which fails as non-root */
if ((error->code == VIR_ERR_NO_XEN) || (error->code == VIR_ERR_OK))
return;
virDefaultErrorFunc(error);
}
/*
* virsh command line grammar:
*
* command_line = <command>\n | <command>; <command>; ...
*
* command = <keyword> <option> <data>
*
* option = <bool_option> | <int_option> | <string_option>
* data = <string>
*
* bool_option = --optionname
* int_option = --optionname <number>
* string_option = --optionname <string>
*
* keyword = [a-zA-Z]
* number = [0-9]+
* string = [^[:blank:]] | "[[:alnum:]]"$
*
*/
/*
* vshCmdOptType - command option type
*/
typedef enum {
VSH_OT_NONE = 0, /* none */
VSH_OT_BOOL, /* boolean option */
VSH_OT_STRING, /* string option */
VSH_OT_INT, /* int option */
VSH_OT_DATA /* string data (as non-option) */
} vshCmdOptType;
/*
* Command Option Flags
*/
#define VSH_OFLAG_NONE 0 /* without flags */
#define VSH_OFLAG_REQ (1 << 1) /* option required */
/* dummy */
typedef struct __vshControl vshControl;
typedef struct __vshCmd vshCmd;
/*
* vshCmdInfo -- information about command
*/
typedef struct {
const char *name; /* name of information */
const char *data; /* information */
} vshCmdInfo;
/*
* vshCmdOptDef - command option definition
*/
typedef struct {
const char *name; /* the name of option */
vshCmdOptType type; /* option type */
int flag; /* flags */
const char *help; /* help string */
} vshCmdOptDef;
/*
* vshCmdOpt - command options
*/
typedef struct vshCmdOpt {
vshCmdOptDef *def; /* pointer to relevant option */
char *data; /* allocated data */
struct vshCmdOpt *next;
} vshCmdOpt;
/*
* vshCmdDef - command definition
*/
typedef struct {
const char *name;
int (*handler) (vshControl *, vshCmd *); /* command handler */
vshCmdOptDef *opts; /* definition of command options */
vshCmdInfo *info; /* details about command */
} vshCmdDef;
/*
* vshCmd - parsed command
*/
typedef struct __vshCmd {
vshCmdDef *def; /* command definition */
vshCmdOpt *opts; /* list of command arguments */
struct __vshCmd *next; /* next command */
} __vshCmd;
/*
* vshControl
*/
typedef struct __vshControl {
char *name; /* connection name */
virConnectPtr conn; /* connection to hypervisor (MAY BE NULL) */
vshCmd *cmd; /* the current command */
char *cmdstr; /* string with command */
uid_t uid; /* process owner */
int imode; /* interactive mode? */
int quiet; /* quiet mode */
int debug; /* print debug messages? */
int timing; /* print timing info? */
int readonly; /* connect readonly (first time only, not
* during explicit connect command)
*/
char *logfile; /* log file name */
int log_fd; /* log file descriptor */
} __vshControl;
static vshCmdDef commands[];
static void vshError(vshControl * ctl, int doexit, const char *format, ...)
ATTRIBUTE_FORMAT(printf, 3, 4);
static int vshInit(vshControl * ctl);
static int vshDeinit(vshControl * ctl);
static void vshUsage(vshControl * ctl, const char *cmdname);
static void vshOpenLogFile(vshControl *ctl);
static void vshOutputLogFile(vshControl *ctl, int log_level, const char *format, va_list ap);
static void vshCloseLogFile(vshControl *ctl);
static int vshParseArgv(vshControl * ctl, int argc, char **argv);
static const char *vshCmddefGetInfo(vshCmdDef * cmd, const char *info);
static vshCmdDef *vshCmddefSearch(const char *cmdname);
static int vshCmddefHelp(vshControl * ctl, const char *name, int withprog);
static vshCmdOpt *vshCommandOpt(vshCmd * cmd, const char *name);
static int vshCommandOptInt(vshCmd * cmd, const char *name, int *found);
static char *vshCommandOptString(vshCmd * cmd, const char *name,
int *found);
static int vshCommandOptBool(vshCmd * cmd, const char *name);
#define VSH_BYID (1 << 1)
#define VSH_BYUUID (1 << 2)
#define VSH_BYNAME (1 << 3)
static virDomainPtr vshCommandOptDomainBy(vshControl * ctl, vshCmd * cmd,
const char *optname, char **name, int flag);
/* default is lookup by Id, Name and UUID */
#define vshCommandOptDomain(_ctl, _cmd, _optname, _name) \
vshCommandOptDomainBy(_ctl, _cmd, _optname, _name, \
VSH_BYID|VSH_BYUUID|VSH_BYNAME)
static virNetworkPtr vshCommandOptNetworkBy(vshControl * ctl, vshCmd * cmd,
const char *optname, char **name, int flag);
/* default is lookup by Name and UUID */
#define vshCommandOptNetwork(_ctl, _cmd, _optname, _name) \
vshCommandOptNetworkBy(_ctl, _cmd, _optname, _name, \
VSH_BYUUID|VSH_BYNAME)
static void vshPrintExtra(vshControl * ctl, const char *format, ...);
static void vshDebug(vshControl * ctl, int level, const char *format, ...);
/* XXX: add batch support */
#define vshPrint(_ctl, ...) fprintf(stdout, __VA_ARGS__)
static const char *vshDomainStateToString(int state);
static const char *vshDomainVcpuStateToString(int state);
static int vshConnectionUsability(vshControl * ctl, virConnectPtr conn,
int showerror);
static void *_vshMalloc(vshControl * ctl, size_t sz, const char *filename, int line);
#define vshMalloc(_ctl, _sz) _vshMalloc(_ctl, _sz, __FILE__, __LINE__)
static void *_vshCalloc(vshControl * ctl, size_t nmemb, size_t sz, const char *filename, int line);
#define vshCalloc(_ctl, _nmemb, _sz) _vshCalloc(_ctl, _nmemb, _sz, __FILE__, __LINE__)
static void *_vshRealloc(vshControl * ctl, void *ptr, size_t sz, const char *filename, int line);
#define vshRealloc(_ctl, _ptr, _sz) _vshRealloc(_ctl, _ptr, _sz, __FILE__, __LINE__)
static char *_vshStrdup(vshControl * ctl, const char *s, const char *filename, int line);
#define vshStrdup(_ctl, _s) _vshStrdup(_ctl, _s, __FILE__, __LINE__)
static int idsorter(const void *a, const void *b) {
const int *ia = (const int *)a;
const int *ib = (const int *)b;
if (*ia > *ib)
return 1;
else if (*ia < *ib)
return -1;
return 0;
}
static int namesorter(const void *a, const void *b) {
const char **sa = (const char**)a;
const char **sb = (const char**)b;
return strcasecmp(*sa, *sb);
}
/* ---------------
* Commands
* ---------------
*/
/*
* "help" command
*/
static vshCmdInfo info_help[] = {
{"syntax", "help [<command>]"},
{"help", gettext_noop("print help")},
{"desc", gettext_noop("Prints global help or command specific help.")},
{NULL, NULL}
};
static vshCmdOptDef opts_help[] = {
{"command", VSH_OT_DATA, 0, gettext_noop("name of command")},
{NULL, 0, 0, NULL}
};
static int
cmdHelp(vshControl * ctl, vshCmd * cmd)
{
const char *cmdname = vshCommandOptString(cmd, "command", NULL);
if (!cmdname) {
vshCmdDef *def;
vshPrint(ctl, _("Commands:\n\n"));
for (def = commands; def->name; def++)
vshPrint(ctl, " %-15s %s\n", def->name,
N_(vshCmddefGetInfo(def, "help")));
return TRUE;
}
return vshCmddefHelp(ctl, cmdname, FALSE);
}
/*
* "autostart" command
*/
static vshCmdInfo info_autostart[] = {
{"syntax", "autostart [--disable] <domain>"},
{"help", gettext_noop("autostart a domain")},
{"desc",
gettext_noop("Configure a domain to be automatically started at boot.")},
{NULL, NULL}
};
static vshCmdOptDef opts_autostart[] = {
{"domain", VSH_OT_DATA, VSH_OFLAG_REQ, gettext_noop("domain name, id or uuid")},
{"disable", VSH_OT_BOOL, 0, gettext_noop("disable autostarting")},
{NULL, 0, 0, NULL}
};
static int
cmdAutostart(vshControl * ctl, vshCmd * cmd)
{
virDomainPtr dom;
char *name;
int autostart;
if (!vshConnectionUsability(ctl, ctl->conn, TRUE))
return FALSE;
if (!(dom = vshCommandOptDomain(ctl, cmd, "domain", &name)))
return FALSE;
autostart = !vshCommandOptBool(cmd, "disable");
if (virDomainSetAutostart(dom, autostart) < 0) {
if (autostart)
vshError(ctl, FALSE, _("Failed to mark domain %s as autostarted"),
name);
else
vshError(ctl, FALSE, _("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;
}
/*
* "connect" command
*/
static vshCmdInfo info_connect[] = {
{"syntax", "connect [name] [--readonly]"},
{"help", gettext_noop("(re)connect to hypervisor")},
{"desc",
gettext_noop("Connect to local hypervisor. This is built-in command after shell start up.")},
{NULL, NULL}
};
static vshCmdOptDef opts_connect[] = {
{"name", VSH_OT_DATA, 0, gettext_noop("hypervisor connection URI")},
{"readonly", VSH_OT_BOOL, 0, gettext_noop("read-only connection")},
{NULL, 0, 0, NULL}
};
static int
cmdConnect(vshControl * ctl, vshCmd * cmd)
{
int ro = vshCommandOptBool(cmd, "readonly");
if (ctl->conn) {
if (virConnectClose(ctl->conn) != 0) {
vshError(ctl, FALSE,
_("Failed to disconnect from the hypervisor"));
return FALSE;
}
ctl->conn = NULL;
}
if (ctl->name)
free(ctl->name);
ctl->name = vshStrdup(ctl, vshCommandOptString(cmd, "name", NULL));
if (!ro) {
ctl->conn = virConnectOpen(ctl->name);
ctl->readonly = 0;
} else {
ctl->conn = virConnectOpenReadOnly(ctl->name);
ctl->readonly = 1;
}
if (!ctl->conn)
vshError(ctl, FALSE, _("Failed to connect to the hypervisor"));
return ctl->conn ? TRUE : FALSE;
}
/*
* "console" command
*/
static vshCmdInfo info_console[] = {
{"syntax", "console <domain>"},
{"help", gettext_noop("connect to the guest console")},
{"desc",
gettext_noop("Connect the virtual serial console for the guest")},
{NULL, NULL}
};
static vshCmdOptDef opts_console[] = {
{"domain", VSH_OT_DATA, VSH_OFLAG_REQ, gettext_noop("domain name, id or uuid")},
{NULL, 0, 0, NULL}
};
static int
cmdConsole(vshControl * ctl, vshCmd * cmd)
{
xmlDocPtr xml = NULL;
xmlXPathObjectPtr obj = NULL;
xmlXPathContextPtr ctxt = NULL;
virDomainPtr dom;
int ret = FALSE;
char *doc;
if (!vshConnectionUsability(ctl, ctl->conn, TRUE))
return FALSE;
if (!(dom = vshCommandOptDomain(ctl, cmd, "domain", NULL)))
return FALSE;
doc = virDomainGetXMLDesc(dom, 0);
if (!doc)
goto cleanup;
xml = xmlReadDoc((const xmlChar *) doc, "domain.xml", NULL,
XML_PARSE_NOENT | XML_PARSE_NONET |
XML_PARSE_NOWARNING);
free(doc);
if (!xml)
goto cleanup;
ctxt = xmlXPathNewContext(xml);
if (!ctxt)
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))) {
if (vshRunConsole((const char *)obj->stringval) == 0)
ret = TRUE;
} else {
vshPrintExtra(ctl, _("No console available for domain\n"));
}
xmlXPathFreeObject(obj);
cleanup:
if (ctxt)
xmlXPathFreeContext(ctxt);
if (xml)
xmlFreeDoc(xml);
virDomainFree(dom);
return ret;
}
/*
* "list" command
*/
static vshCmdInfo info_list[] = {
{"syntax", "list [--inactive | --all]"},
{"help", gettext_noop("list domains")},
{"desc", gettext_noop("Returns list of domains.")},
{NULL, NULL}
};
static vshCmdOptDef opts_list[] = {
{"inactive", VSH_OT_BOOL, 0, gettext_noop("list inactive domains")},
{"all", VSH_OT_BOOL, 0, gettext_noop("list inactive & active domains")},
{NULL, 0, 0, NULL}
};
static int
cmdList(vshControl * ctl, vshCmd * cmd ATTRIBUTE_UNUSED)
{
int inactive = vshCommandOptBool(cmd, "inactive");
int all = vshCommandOptBool(cmd, "all");
int active = !inactive || all ? 1 : 0;
int *ids = NULL, maxid = 0, i;
char **names = NULL;
int maxname = 0;
inactive |= all;
if (!vshConnectionUsability(ctl, ctl->conn, TRUE))
return FALSE;
if (active) {
maxid = virConnectNumOfDomains(ctl->conn);
if (maxid < 0) {
vshError(ctl, FALSE, _("Failed to list active domains"));
return FALSE;
}
if (maxid) {
ids = vshMalloc(ctl, sizeof(int) * maxid);
if ((maxid = virConnectListDomains(ctl->conn, &ids[0], maxid)) < 0) {
vshError(ctl, FALSE, _("Failed to list active domains"));
free(ids);
return FALSE;
}
qsort(&ids[0], maxid, sizeof(int), idsorter);
}
}
if (inactive) {
maxname = virConnectNumOfDefinedDomains(ctl->conn);
if (maxname < 0) {
vshError(ctl, FALSE, _("Failed to list inactive domains"));
if (ids)
free(ids);
return FALSE;
}
if (maxname) {
names = vshMalloc(ctl, sizeof(char *) * maxname);
if ((maxname = virConnectListDefinedDomains(ctl->conn, names, maxname)) < 0) {
vshError(ctl, FALSE, _("Failed to list inactive domains"));
if (ids)
free(ids);
free(names);
return FALSE;
}
qsort(&names[0], maxname, sizeof(char*), namesorter);
}
}
vshPrintExtra(ctl, "%3s %-20s %s\n", _("Id"), _("Name"), _("State"));
vshPrintExtra(ctl, "----------------------------------\n");
for (i = 0; i < maxid; i++) {
virDomainInfo info;
virDomainPtr dom = virDomainLookupByID(ctl->conn, ids[i]);
const char *state;
/* this kind of work with domains is not atomic operation */
if (!dom)
continue;
if (virDomainGetInfo(dom, &info) < 0)
state = _("no state");
else
state = N_(vshDomainStateToString(info.state));
vshPrint(ctl, "%3d %-20s %s\n",
virDomainGetID(dom),
virDomainGetName(dom),
state);
virDomainFree(dom);
}
for (i = 0; i < maxname; i++) {
virDomainInfo info;
virDomainPtr dom = virDomainLookupByName(ctl->conn, names[i]);
const char *state;
/* this kind of work with domains is not atomic operation */
if (!dom) {
free(names[i]);
continue;
}
if (virDomainGetInfo(dom, &info) < 0)
state = _("no state");
else
state = N_(vshDomainStateToString(info.state));
vshPrint(ctl, "%3s %-20s %s\n", "-", names[i], state);
virDomainFree(dom);
free(names[i]);
}
if (ids)
free(ids);
if (names)
free(names);
return TRUE;
}
/*
* "domstate" command
*/
static vshCmdInfo info_domstate[] = {
{"syntax", "domstate <domain>"},
{"help", gettext_noop("domain state")},
{"desc", gettext_noop("Returns state about a running domain.")},
{NULL, NULL}
};
static vshCmdOptDef opts_domstate[] = {
{"domain", VSH_OT_DATA, VSH_OFLAG_REQ, gettext_noop("domain name, id or uuid")},
{NULL, 0, 0, NULL}
};
static int
cmdDomstate(vshControl * ctl, vshCmd * cmd)
{
virDomainInfo info;
virDomainPtr dom;
int ret = TRUE;
if (!vshConnectionUsability(ctl, ctl->conn, TRUE))
return FALSE;
if (!(dom = vshCommandOptDomain(ctl, cmd, "domain", NULL)))
return FALSE;
if (virDomainGetInfo(dom, &info) == 0)
vshPrint(ctl, "%s\n",
N_(vshDomainStateToString(info.state)));
else
ret = FALSE;
virDomainFree(dom);
return ret;
}
/*
* "suspend" command
*/
static vshCmdInfo info_suspend[] = {
{"syntax", "suspend <domain>"},
{"help", gettext_noop("suspend a domain")},
{"desc", gettext_noop("Suspend a running domain.")},
{NULL, NULL}
};
static vshCmdOptDef opts_suspend[] = {
{"domain", VSH_OT_DATA, VSH_OFLAG_REQ, gettext_noop("domain name, id or uuid")},
{NULL, 0, 0, NULL}
};
static int
cmdSuspend(vshControl * ctl, vshCmd * cmd)
{
virDomainPtr dom;
char *name;
int ret = TRUE;
if (!vshConnectionUsability(ctl, ctl->conn, TRUE))
return FALSE;
if (!(dom = vshCommandOptDomain(ctl, cmd, "domain", &name)))
return FALSE;
if (virDomainSuspend(dom) == 0) {
vshPrint(ctl, _("Domain %s suspended\n"), name);
} else {
vshError(ctl, FALSE, _("Failed to suspend domain %s"), name);
ret = FALSE;
}
virDomainFree(dom);
return ret;
}
/*
* "create" command
*/
static vshCmdInfo info_create[] = {
{"syntax", "create a domain from an XML <file>"},
{"help", gettext_noop("create a domain from an XML file")},
{"desc", gettext_noop("Create a domain.")},
{NULL, NULL}
};
static vshCmdOptDef opts_create[] = {
{"file", VSH_OT_DATA, VSH_OFLAG_REQ, gettext_noop("file containing an XML domain description")},
{NULL, 0, 0, NULL}
};
/* Read in a whole file and return it as a string.
* If it fails, it logs an error and returns NULL.
* String must be freed by caller.
*/
static char *
readFile (vshControl *ctl, const char *filename)
{
char *retval;
int len = 0, fd;
if ((fd = open(filename, O_RDONLY)) == -1) {
vshError (ctl, FALSE, _("Failed to open '%s': %s"),
filename, strerror (errno));
return NULL;
}
if (!(retval = malloc(len + 1)))
goto out_of_memory;
while (1) {
char buffer[1024];
char *new;
int ret;
if ((ret = read(fd, buffer, sizeof(buffer))) == 0)
break;
if (ret == -1) {
if (errno == EINTR)
continue;
vshError (ctl, FALSE, _("Failed to open '%s': read: %s"),
filename, strerror (errno));
goto error;
}
if (!(new = realloc(retval, len + ret + 1)))
goto out_of_memory;
retval = new;
memcpy(retval + len, buffer, ret);
len += ret;
}
retval[len] = '\0';
return retval;
out_of_memory:
vshError (ctl, FALSE, _("Error allocating memory: %s"),
strerror(errno));
error:
if (retval)
free(retval);
close(fd);
return NULL;
}
static int
cmdCreate(vshControl * ctl, vshCmd * cmd)
{
virDomainPtr dom;
char *from;
int found;
int ret = TRUE;
char *buffer;
if (!vshConnectionUsability(ctl, ctl->conn, TRUE))
return FALSE;
from = vshCommandOptString(cmd, "file", &found);
if (!found)
return FALSE;
buffer = readFile (ctl, from);
if (buffer == NULL) return FALSE;
dom = virDomainCreateLinux(ctl->conn, buffer, 0);
free (buffer);
if (dom != NULL) {
vshPrint(ctl, _("Domain %s created from %s\n"),
virDomainGetName(dom), from);
virDomainFree(dom);
} else {
vshError(ctl, FALSE, _("Failed to create domain from %s"), from);
ret = FALSE;
}
return ret;
}
/*
* "define" command
*/
static vshCmdInfo info_define[] = {
{"syntax", "define a domain from an XML <file>"},
{"help", gettext_noop("define (but don't start) a domain from an XML file")},
{"desc", gettext_noop("Define a domain.")},
{NULL, NULL}
};
static vshCmdOptDef opts_define[] = {
{"file", VSH_OT_DATA, VSH_OFLAG_REQ, gettext_noop("file containing an XML domain description")},
{NULL, 0, 0, NULL}
};
static int
cmdDefine(vshControl * ctl, vshCmd * cmd)
{
virDomainPtr dom;
char *from;
int found;
int ret = TRUE;
char *buffer;
if (!vshConnectionUsability(ctl, ctl->conn, TRUE))
return FALSE;
from = vshCommandOptString(cmd, "file", &found);
if (!found)
return FALSE;
buffer = readFile (ctl, from);
if (buffer == NULL) return FALSE;
dom = virDomainDefineXML(ctl->conn, buffer);
free (buffer);
if (dom != NULL) {
vshPrint(ctl, _("Domain %s defined from %s\n"),
virDomainGetName(dom), from);
virDomainFree(dom);
} else {
vshError(ctl, FALSE, _("Failed to define domain from %s"), from);
ret = FALSE;
}
return ret;
}
/*
* "undefine" command
*/
static vshCmdInfo info_undefine[] = {
{"syntax", "undefine <domain>"},
{"help", gettext_noop("undefine an inactive domain")},
{"desc", gettext_noop("Undefine the configuration for an inactive domain.")},
{NULL, NULL}
};
static vshCmdOptDef opts_undefine[] = {
{"domain", VSH_OT_DATA, VSH_OFLAG_REQ, gettext_noop("domain name or uuid")},
{NULL, 0, 0, NULL}
};
static int
cmdUndefine(vshControl * ctl, vshCmd * cmd)
{
virDomainPtr dom;
int ret = TRUE;
char *name;
if (!vshConnectionUsability(ctl, ctl->conn, TRUE))
return FALSE;
if (!(dom = vshCommandOptDomain(ctl, cmd, "domain", &name)))
return FALSE;
if (virDomainUndefine(dom) == 0) {
vshPrint(ctl, _("Domain %s has been undefined\n"), name);
} else {
vshError(ctl, FALSE, _("Failed to undefine domain %s"), name);
ret = FALSE;
}
virDomainFree(dom);
return ret;
}
/*
* "start" command
*/
static vshCmdInfo info_start[] = {
{"syntax", "start <domain>"},
{"help", gettext_noop("start a (previously defined) inactive domain")},
{"desc", gettext_noop("Start a domain.")},
{NULL, NULL}
};
static vshCmdOptDef opts_start[] = {
{"name", VSH_OT_DATA, VSH_OFLAG_REQ, gettext_noop("name of the inactive domain")},
{NULL, 0, 0, NULL}
};
static int
cmdStart(vshControl * ctl, vshCmd * cmd)
{
virDomainPtr dom;
int ret = TRUE;
if (!vshConnectionUsability(ctl, ctl->conn, TRUE))
return FALSE;
if (!(dom = vshCommandOptDomainBy(ctl, cmd, "name", NULL, VSH_BYNAME)))
return FALSE;
if (virDomainGetID(dom) != (unsigned int)-1) {
vshError(ctl, FALSE, _("Domain is already active"));
virDomainFree(dom);
return FALSE;
}
if (virDomainCreate(dom) == 0) {
vshPrint(ctl, _("Domain %s started\n"),
virDomainGetName(dom));
} else {
vshError(ctl, FALSE, _("Failed to start domain %s"),
virDomainGetName(dom));
ret = FALSE;
}
virDomainFree(dom);
return ret;
}
/*
* "save" command
*/
static vshCmdInfo info_save[] = {
{"syntax", "save <domain> <file>"},
{"help", gettext_noop("save a domain state to a file")},
{"desc", gettext_noop("Save a running domain.")},
{NULL, NULL}
};
static vshCmdOptDef opts_save[] = {
{"domain", VSH_OT_DATA, VSH_OFLAG_REQ, gettext_noop("domain name, id or uuid")},
{"file", VSH_OT_DATA, VSH_OFLAG_REQ, gettext_noop("where to save the data")},
{NULL, 0, 0, NULL}
};
static int
cmdSave(vshControl * ctl, vshCmd * cmd)
{
virDomainPtr dom;
char *name;
char *to;
int ret = TRUE;
if (!vshConnectionUsability(ctl, ctl->conn, TRUE))
return FALSE;
if (!(to = vshCommandOptString(cmd, "file", NULL)))
return FALSE;
if (!(dom = vshCommandOptDomain(ctl, cmd, "domain", &name)))
return FALSE;
if (virDomainSave(dom, to) == 0) {
vshPrint(ctl, _("Domain %s saved to %s\n"), name, to);
} else {
vshError(ctl, FALSE, _("Failed to save domain %s to %s"), name, to);
ret = FALSE;
}
virDomainFree(dom);
return ret;
}
/*
* "schedinfo" command
*/
static vshCmdInfo info_schedinfo[] = {
{"syntax", "sched <domain>"},
{"help", gettext_noop("show/set scheduler parameters")},
{"desc", gettext_noop("Show/Set scheduler parameters.")},
{NULL, NULL}
};
static vshCmdOptDef opts_schedinfo[] = {
{"domain", VSH_OT_DATA, VSH_OFLAG_REQ, gettext_noop("domain name, id or uuid")},
{"weight", VSH_OT_INT, VSH_OFLAG_NONE, gettext_noop("weight for XEN_CREDIT")},
{"cap", VSH_OT_INT, VSH_OFLAG_NONE, gettext_noop("cap for XEN_CREDIT")},
{NULL, 0, 0, NULL}
};
static int
cmdSchedinfo(vshControl * ctl, vshCmd * cmd)
{
char *schedulertype;
virDomainPtr dom;
virSchedParameterPtr params;
int i, ret;
int nparams = 0;
int nr_inputparams = 0;
int inputparams = 0;
int weightfound = 0;
int weight;
int capfound = 0;
int cap;
char str_weight[] = "weight";
char str_cap[] = "cap";
if (!vshConnectionUsability(ctl, ctl->conn, TRUE))
return FALSE;
if (!(dom = vshCommandOptDomain(ctl, cmd, "domain", NULL)))
return FALSE;
/* Currently supports Xen Credit only */
weight = vshCommandOptInt(cmd, "weight", &weightfound);
if (weightfound) nr_inputparams++;
cap = vshCommandOptInt(cmd, "cap", &capfound);
if (capfound) nr_inputparams++;
params = vshMalloc(ctl, sizeof (virSchedParameter) * nr_inputparams);
if (params == NULL) {
virDomainFree(dom);
return FALSE;
}
if (weightfound) {
strncpy(params[inputparams].field,str_weight,sizeof(str_weight));
params[inputparams].type = VIR_DOMAIN_SCHED_FIELD_UINT;
params[inputparams].value.ui = weight;
inputparams++;
}
if (capfound) {
strncpy(params[inputparams].field,str_cap,sizeof(str_cap));
params[inputparams].type = VIR_DOMAIN_SCHED_FIELD_UINT;
params[inputparams].value.ui = cap;
inputparams++;
}
/* End Currently supports Xen Credit only */
assert (inputparams == nr_inputparams);
/* Set SchedulerParameters */
if (inputparams > 0) {
ret = virDomainSetSchedulerParameters(dom, params, inputparams);
if (ret == -1) {
virDomainFree(dom);
return FALSE;
}
}
free(params);
/* Print SchedulerType */
schedulertype = virDomainGetSchedulerType(dom, &nparams);
if (schedulertype!= NULL){
vshPrint(ctl, "%-15s: %s\n", _("Scheduler"),
schedulertype);
free(schedulertype);
} else {
vshPrint(ctl, "%-15s: %s\n", _("Scheduler"), _("Unknown"));
virDomainFree(dom);
return FALSE;
}
/* Get SchedulerParameters */
params = vshMalloc(ctl, sizeof(virSchedParameter)* nparams);
for (i = 0; i < nparams; i++){
params[i].type = 0;
memset (params[i].field, 0, sizeof params[i].field);
}
ret = virDomainGetSchedulerParameters(dom, params, &nparams);
if (ret == -1) {
virDomainFree(dom);
return FALSE;
}
if(nparams){
for (i = 0; i < nparams; i++){
switch (params[i].type) {
case VIR_DOMAIN_SCHED_FIELD_INT:
printf("%-15s: %d\n", params[i].field, params[i].value.i);
break;
case VIR_DOMAIN_SCHED_FIELD_UINT:
printf("%-15s: %u\n", params[i].field, params[i].value.ui);
break;
case VIR_DOMAIN_SCHED_FIELD_LLONG:
printf("%-15s: %Ld\n", params[i].field, params[i].value.l);
break;
case VIR_DOMAIN_SCHED_FIELD_ULLONG:
printf("%-15s: %Lu\n", params[i].field, params[i].value.ul);
break;
case VIR_DOMAIN_SCHED_FIELD_DOUBLE:
printf("%-15s: %f\n", params[i].field, params[i].value.d);
break;
case VIR_DOMAIN_SCHED_FIELD_BOOLEAN:
printf("%-15s: %d\n", params[i].field, params[i].value.b);
break;
default:
printf("not implemented scheduler parameter type\n");
}
}
}
free(params);
virDomainFree(dom);
return TRUE;
}
/*
* "restore" command
*/
static vshCmdInfo info_restore[] = {
{"syntax", "restore a domain from <file>"},
{"help", gettext_noop("restore a domain from a saved state in a file")},
{"desc", gettext_noop("Restore a domain.")},
{NULL, NULL}
};
static vshCmdOptDef opts_restore[] = {
{"file", VSH_OT_DATA, VSH_OFLAG_REQ, gettext_noop("the state to restore")},
{NULL, 0, 0, NULL}
};
static int
cmdRestore(vshControl * ctl, vshCmd * cmd)
{
char *from;
int found;
int ret = TRUE;
if (!vshConnectionUsability(ctl, ctl->conn, TRUE))
return FALSE;
from = vshCommandOptString(cmd, "file", &found);
if (!found)
return FALSE;
if (virDomainRestore(ctl->conn, from) == 0) {
vshPrint(ctl, _("Domain restored from %s\n"), from);
} else {
vshError(ctl, FALSE, _("Failed to restore domain from %s"), from);
ret = FALSE;
}
return ret;
}
/*
* "dump" command
*/
static vshCmdInfo info_dump[] = {
{"syntax", "dump <domain> <file>"},
{"help", gettext_noop("dump the core of a domain to a file for analysis")},
{"desc", gettext_noop("Core dump a domain.")},
{NULL, NULL}
};
static vshCmdOptDef opts_dump[] = {
{"domain", VSH_OT_DATA, VSH_OFLAG_REQ, gettext_noop("domain name, id or uuid")},
{"file", VSH_OT_DATA, VSH_OFLAG_REQ, gettext_noop("where to dump the core")},
{NULL, 0, 0, NULL}
};
static int
cmdDump(vshControl * ctl, vshCmd * cmd)
{
virDomainPtr dom;
char *name;
char *to;
int ret = TRUE;
if (!vshConnectionUsability(ctl, ctl->conn, TRUE))
return FALSE;
if (!(to = vshCommandOptString(cmd, "file", NULL)))
return FALSE;
if (!(dom = vshCommandOptDomain(ctl, cmd, "domain", &name)))
return FALSE;
if (virDomainCoreDump(dom, to, 0) == 0) {
vshPrint(ctl, _("Domain %s dumpd to %s\n"), name, to);
} else {
vshError(ctl, FALSE, _("Failed to core dump domain %s to %s"),
name, to);
ret = FALSE;
}
virDomainFree(dom);
return ret;
}
/*
* "resume" command
*/
static vshCmdInfo info_resume[] = {
{"syntax", "resume <domain>"},
{"help", gettext_noop("resume a domain")},
{"desc", gettext_noop("Resume a previously suspended domain.")},
{NULL, NULL}
};
static vshCmdOptDef opts_resume[] = {
{"domain", VSH_OT_DATA, VSH_OFLAG_REQ, gettext_noop("domain name, id or uuid")},
{NULL, 0, 0, NULL}
};
static int
cmdResume(vshControl * ctl, vshCmd * cmd)
{
virDomainPtr dom;
int ret = TRUE;
char *name;
if (!vshConnectionUsability(ctl, ctl->conn, TRUE))
return FALSE;
if (!(dom = vshCommandOptDomain(ctl, cmd, "domain", &name)))
return FALSE;
if (virDomainResume(dom) == 0) {
vshPrint(ctl, _("Domain %s resumed\n"), name);
} else {
vshError(ctl, FALSE, _("Failed to resume domain %s"), name);
ret = FALSE;
}
virDomainFree(dom);
return ret;
}
/*
* "shutdown" command
*/
static vshCmdInfo info_shutdown[] = {
{"syntax", "shutdown <domain>"},
{"help", gettext_noop("gracefully shutdown a domain")},
{"desc", gettext_noop("Run shutdown in the target domain.")},
{NULL, NULL}
};
static vshCmdOptDef opts_shutdown[] = {
{"domain", VSH_OT_DATA, VSH_OFLAG_REQ, gettext_noop("domain name, id or uuid")},
{NULL, 0, 0, NULL}
};
static int
cmdShutdown(vshControl * ctl, vshCmd * cmd)
{
virDomainPtr dom;
int ret = TRUE;
char *name;
if (!vshConnectionUsability(ctl, ctl->conn, TRUE))
return FALSE;
if (!(dom = vshCommandOptDomain(ctl, cmd, "domain", &name)))
return FALSE;
if (virDomainShutdown(dom) == 0) {
vshPrint(ctl, _("Domain %s is being shutdown\n"), name);
} else {
vshError(ctl, FALSE, _("Failed to shutdown domain %s"), name);
ret = FALSE;
}
virDomainFree(dom);
return ret;
}
/*
* "reboot" command
*/
static vshCmdInfo info_reboot[] = {
{"syntax", "reboot <domain>"},
{"help", gettext_noop("reboot a domain")},
{"desc", gettext_noop("Run a reboot command in the target domain.")},
{NULL, NULL}
};
static vshCmdOptDef opts_reboot[] = {
{"domain", VSH_OT_DATA, VSH_OFLAG_REQ, gettext_noop("domain name, id or uuid")},
{NULL, 0, 0, NULL}
};
static int
cmdReboot(vshControl * ctl, vshCmd * cmd)
{
virDomainPtr dom;
int ret = TRUE;
char *name;
if (!vshConnectionUsability(ctl, ctl->conn, TRUE))
return FALSE;
if (!(dom = vshCommandOptDomain(ctl, cmd, "domain", &name)))
return FALSE;
if (virDomainReboot(dom, 0) == 0) {
vshPrint(ctl, _("Domain %s is being rebooted\n"), name);
} else {
vshError(ctl, FALSE, _("Failed to reboot domain %s"), name);
ret = FALSE;
}
virDomainFree(dom);
return ret;
}
/*
* "destroy" command
*/
static vshCmdInfo info_destroy[] = {
{"syntax", "destroy <domain>"},
{"help", gettext_noop("destroy a domain")},
{"desc", gettext_noop("Destroy a given domain.")},
{NULL, NULL}
};
static vshCmdOptDef opts_destroy[] = {
{"domain", VSH_OT_DATA, VSH_OFLAG_REQ, gettext_noop("domain name, id or uuid")},
{NULL, 0, 0, NULL}
};
static int
cmdDestroy(vshControl * ctl, vshCmd * cmd)
{
virDomainPtr dom;
int ret = TRUE;
char *name;
if (!vshConnectionUsability(ctl, ctl->conn, TRUE))
return FALSE;
if (!(dom = vshCommandOptDomain(ctl, cmd, "domain", &name)))
return FALSE;
if (virDomainDestroy(dom) == 0) {
vshPrint(ctl, _("Domain %s destroyed\n"), name);
} else {
vshError(ctl, FALSE, _("Failed to destroy domain %s"), name);
ret = FALSE;
virDomainFree(dom);
}
return ret;
}
/*
* "dominfo" command
*/
static vshCmdInfo info_dominfo[] = {
{"syntax", "dominfo <domain>"},
{"help", gettext_noop("domain information")},
{"desc", gettext_noop("Returns basic information about the domain.")},
{NULL, NULL}
};
static vshCmdOptDef opts_dominfo[] = {
{"domain", VSH_OT_DATA, VSH_OFLAG_REQ, gettext_noop("domain name, id or uuid")},
{NULL, 0, 0, NULL}
};
static int
cmdDominfo(vshControl * ctl, vshCmd * cmd)
{
virDomainInfo info;
virDomainPtr dom;
int ret = TRUE;
unsigned int id;
char *str, uuid[VIR_UUID_STRING_BUFLEN];
if (!vshConnectionUsability(ctl, ctl->conn, TRUE))
return FALSE;
if (!(dom = vshCommandOptDomain(ctl, cmd, "domain", NULL)))
return FALSE;
id = virDomainGetID(dom);
if (id == ((unsigned int)-1))
vshPrint(ctl, "%-15s %s\n", _("Id:"), "-");
else
vshPrint(ctl, "%-15s %d\n", _("Id:"), id);
vshPrint(ctl, "%-15s %s\n", _("Name:"), virDomainGetName(dom));
if (virDomainGetUUIDString(dom, &uuid[0])==0)
vshPrint(ctl, "%-15s %s\n", _("UUID:"), uuid);
if ((str = virDomainGetOSType(dom))) {
vshPrint(ctl, "%-15s %s\n", _("OS Type:"), str);
free(str);
}
if (virDomainGetInfo(dom, &info) == 0) {
vshPrint(ctl, "%-15s %s\n", _("State:"),
N_(vshDomainStateToString(info.state)));
vshPrint(ctl, "%-15s %d\n", _("CPU(s):"), info.nrVirtCpu);
if (info.cpuTime != 0) {
double cpuUsed = info.cpuTime;
cpuUsed /= 1000000000.0;
vshPrint(ctl, "%-15s %.1lfs\n", _("CPU time:"), cpuUsed);
}
if (info.maxMem != UINT_MAX)
vshPrint(ctl, "%-15s %lu kB\n", _("Max memory:"),
info.maxMem);
else
vshPrint(ctl, "%-15s %-15s\n", _("Max memory:"),
_("no limit"));
vshPrint(ctl, "%-15s %lu kB\n", _("Used memory:"),
info.memory);
} else {
ret = FALSE;
}
virDomainFree(dom);
return ret;
}
/*
* "vcpuinfo" command
*/
static vshCmdInfo info_vcpuinfo[] = {
{"syntax", "vcpuinfo <domain>"},
{"help", gettext_noop("domain vcpu information")},
{"desc", gettext_noop("Returns basic information about the domain virtual CPUs.")},
{NULL, NULL}
};
static vshCmdOptDef opts_vcpuinfo[] = {
{"domain", VSH_OT_DATA, VSH_OFLAG_REQ, gettext_noop("domain name, id or uuid")},
{NULL, 0, 0, NULL}
};
static int
cmdVcpuinfo(vshControl * ctl, vshCmd * cmd)
{
virDomainInfo info;
virDomainPtr dom;
virNodeInfo nodeinfo;
virVcpuInfoPtr cpuinfo;
unsigned char *cpumap;
int ncpus;
size_t cpumaplen;
int ret = TRUE;
if (!vshConnectionUsability(ctl, ctl->conn, TRUE))
return FALSE;
if (!(dom = vshCommandOptDomain(ctl, cmd, "domain", NULL)))
return FALSE;
if (virNodeGetInfo(ctl->conn, &nodeinfo) != 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(VIR_NODEINFO_MAXCPUS(nodeinfo));
cpumap = vshMalloc(ctl, info.nrVirtCpu * cpumaplen);
if ((ncpus = virDomainGetVcpus(dom,
cpuinfo, info.nrVirtCpu,
cpumap, cpumaplen)) >= 0) {
int n;
for (n = 0 ; n < ncpus ; n++) {
unsigned int m;
vshPrint(ctl, "%-15s %d\n", _("VCPU:"), n);
vshPrint(ctl, "%-15s %d\n", _("CPU:"), cpuinfo[n].cpu);
vshPrint(ctl, "%-15s %s\n", _("State:"),
N_(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 < VIR_NODEINFO_MAXCPUS(nodeinfo) ; m++) {
vshPrint(ctl, "%c", VIR_CPU_USABLE(cpumap, cpumaplen, n, m) ? 'y' : '-');
}
vshPrint(ctl, "\n");
if (n < (ncpus - 1)) {
vshPrint(ctl, "\n");
}
}
} else {
if (info.state == VIR_DOMAIN_SHUTOFF) {
vshError(ctl, FALSE,
_("Domain shut off, virtual CPUs not present."));
}
ret = FALSE;
}
free(cpumap);
free(cpuinfo);
virDomainFree(dom);
return ret;
}
/*
* "vcpupin" command
*/
static vshCmdInfo info_vcpupin[] = {
{"syntax", "vcpupin <domain> <vcpu> <cpulist>"},
{"help", gettext_noop("control domain vcpu affinity")},
{"desc", gettext_noop("Pin domain VCPUs to host physical CPUs.")},
{NULL, NULL}
};
static vshCmdOptDef opts_vcpupin[] = {
{"domain", VSH_OT_DATA, VSH_OFLAG_REQ, gettext_noop("domain name, id or uuid")},
{"vcpu", VSH_OT_DATA, VSH_OFLAG_REQ, gettext_noop("vcpu number")},
{"cpulist", VSH_OT_DATA, VSH_OFLAG_REQ, gettext_noop("host cpu number(s) (comma separated)")},
{NULL, 0, 0, NULL}
};
static int
cmdVcpupin(vshControl * ctl, vshCmd * cmd)
{
virDomainInfo info;
virDomainPtr dom;
virNodeInfo nodeinfo;
int vcpu;
char *cpulist;
int ret = TRUE;
int vcpufound = 0;
unsigned char *cpumap;
int cpumaplen;
int i;
enum { expect_num, expect_num_or_comma } state;
if (!vshConnectionUsability(ctl, ctl->conn, TRUE))
return FALSE;
if (!(dom = vshCommandOptDomain(ctl, cmd, "domain", NULL)))
return FALSE;
vcpu = vshCommandOptInt(cmd, "vcpu", &vcpufound);
if (!vcpufound) {
virDomainFree(dom);
return FALSE;
}
if (!(cpulist = vshCommandOptString(cmd, "cpulist", NULL))) {
virDomainFree(dom);
return FALSE;
}
if (virNodeGetInfo(ctl->conn, &nodeinfo) != 0) {
virDomainFree(dom);
return FALSE;
}
if (virDomainGetInfo(dom, &info) != 0) {
virDomainFree(dom);
return FALSE;
}
if (vcpu >= info.nrVirtCpu) {
virDomainFree(dom);
return FALSE;
}
/* Check that the cpulist parameter is a comma-separated list of
* numbers and give an intelligent error message if not.
*/
if (cpulist[0] == '\0') {
vshError(ctl, FALSE, _("cpulist: Invalid format. Empty string."));
virDomainFree (dom);
return FALSE;
}
state = expect_num;
for (i = 0; cpulist[i]; i++) {
switch (state) {
case expect_num:
if (!isdigit (cpulist[i])) {
vshError( ctl, FALSE, _("cpulist: %s: Invalid format. Expecting digit at position %d (near '%c')."), cpulist, i, cpulist[i]);
virDomainFree (dom);
return FALSE;
}
state = expect_num_or_comma;
break;
case expect_num_or_comma:
if (cpulist[i] == ',')
state = expect_num;
else if (!isdigit (cpulist[i])) {
vshError(ctl, FALSE, _("cpulist: %s: Invalid format. Expecting digit or comma at position %d (near '%c')."), cpulist, i, cpulist[i]);
virDomainFree (dom);
return FALSE;
}
}
}
if (state == expect_num) {
vshError(ctl, FALSE, _("cpulist: %s: Invalid format. Trailing comma at position %d."), cpulist, i);
virDomainFree (dom);
return FALSE;
}
cpumaplen = VIR_CPU_MAPLEN(VIR_NODEINFO_MAXCPUS(nodeinfo));
cpumap = vshCalloc(ctl, 1, cpumaplen);
do {
unsigned int cpu = atoi(cpulist);
if (cpu < VIR_NODEINFO_MAXCPUS(nodeinfo)) {
VIR_USE_CPU(cpumap, cpu);
} else {
vshError(ctl, FALSE, _("Physical CPU %d doesn't exist."), cpu);
free(cpumap);
virDomainFree(dom);
return FALSE;
}
cpulist = strchr(cpulist, ',');
if (cpulist)
cpulist++;
} while (cpulist);
if (virDomainPinVcpu(dom, vcpu, cpumap, cpumaplen) != 0) {
ret = FALSE;
}
free(cpumap);
virDomainFree(dom);
return ret;
}
/*
* "setvcpus" command
*/
static vshCmdInfo info_setvcpus[] = {
{"syntax", "setvcpus <domain> <count>"},
{"help", gettext_noop("change number of virtual CPUs")},
{"desc", gettext_noop("Change the number of virtual CPUs active in the guest domain.")},
{NULL, NULL}
};
static vshCmdOptDef opts_setvcpus[] = {
{"domain", VSH_OT_DATA, VSH_OFLAG_REQ, gettext_noop("domain name, id or uuid")},
{"count", VSH_OT_DATA, VSH_OFLAG_REQ, gettext_noop("number of virtual CPUs")},
{NULL, 0, 0, NULL}
};
static int
cmdSetvcpus(vshControl * ctl, vshCmd * cmd)
{
virDomainPtr dom;
int count;
int maxcpu;
int ret = TRUE;
if (!vshConnectionUsability(ctl, ctl->conn, TRUE))
return FALSE;
if (!(dom = vshCommandOptDomain(ctl, cmd, "domain", NULL)))
return FALSE;
count = vshCommandOptInt(cmd, "count", &count);
if (!count) {
vshError(ctl, FALSE, _("Invalid number of virtual CPUs."));
virDomainFree(dom);
return FALSE;
}
maxcpu = virDomainGetMaxVcpus(dom);
if (!maxcpu) {
virDomainFree(dom);
return FALSE;
}
if (count > maxcpu) {
vshError(ctl, FALSE, _("Too many virtual CPUs."));
virDomainFree(dom);
return FALSE;
}
if (virDomainSetVcpus(dom, count) != 0) {
ret = FALSE;
}
virDomainFree(dom);
return ret;
}
/*
* "setmemory" command
*/
static vshCmdInfo info_setmem[] = {
{"syntax", "setmem <domain> <kilobytes>"},
{"help", gettext_noop("change memory allocation")},
{"desc", gettext_noop("Change the current memory allocation in the guest domain.")},
{NULL, NULL}
};
static vshCmdOptDef opts_setmem[] = {
{"domain", VSH_OT_DATA, VSH_OFLAG_REQ, gettext_noop("domain name, id or uuid")},
{"kilobytes", VSH_OT_DATA, VSH_OFLAG_REQ, gettext_noop("number of kilobytes of memory")},
{NULL, 0, 0, NULL}
};
static int
cmdSetmem(vshControl * ctl, vshCmd * cmd)
{
virDomainPtr dom;
virDomainInfo info;
int kilobytes;
int ret = TRUE;
if (!vshConnectionUsability(ctl, ctl->conn, TRUE))
return FALSE;
if (!(dom = vshCommandOptDomain(ctl, cmd, "domain", NULL)))
return FALSE;
kilobytes = vshCommandOptInt(cmd, "kilobytes", &kilobytes);
if (kilobytes <= 0) {
virDomainFree(dom);
vshError(ctl, FALSE, _("Invalid value of %d for memory size"), kilobytes);
return FALSE;
}
if (virDomainGetInfo(dom, &info) != 0) {
virDomainFree(dom);
vshError(ctl, FALSE, _("Unable to verify MaxMemorySize"));
return FALSE;
}
if (kilobytes > info.maxMem) {
virDomainFree(dom);
vshError(ctl, FALSE, _("Invalid value of %d for memory size"), kilobytes);
return FALSE;
}
if (virDomainSetMemory(dom, kilobytes) != 0) {
ret = FALSE;
}
virDomainFree(dom);
return ret;
}
/*
* "setmaxmem" command
*/
static vshCmdInfo info_setmaxmem[] = {
{"syntax", "setmaxmem <domain> <kilobytes>"},
{"help", gettext_noop("change maximum memory limit")},
{"desc", gettext_noop("Change the maximum memory allocation limit in the guest domain.")},
{NULL, NULL}
};
static vshCmdOptDef opts_setmaxmem[] = {
{"domain", VSH_OT_DATA, VSH_OFLAG_REQ, gettext_noop("domain name, id or uuid")},
{"kilobytes", VSH_OT_DATA, VSH_OFLAG_REQ, gettext_noop("maximum memory limit in kilobytes")},
{NULL, 0, 0, NULL}
};
static int
cmdSetmaxmem(vshControl * ctl, vshCmd * cmd)
{
virDomainPtr dom;
virDomainInfo info;
int kilobytes;
int ret = TRUE;
if (!vshConnectionUsability(ctl, ctl->conn, TRUE))
return FALSE;
if (!(dom = vshCommandOptDomain(ctl, cmd, "domain", NULL)))
return FALSE;
kilobytes = vshCommandOptInt(cmd, "kilobytes", &kilobytes);
if (kilobytes <= 0) {
virDomainFree(dom);
vshError(ctl, FALSE, _("Invalid value of %d for memory size"), kilobytes);
return FALSE;
}
if (virDomainGetInfo(dom, &info) != 0) {
virDomainFree(dom);
vshError(ctl, FALSE, _("Unable to verify current MemorySize"));
return FALSE;
}
if (kilobytes < info.memory) {
if (virDomainSetMemory(dom, kilobytes) != 0) {
virDomainFree(dom);
vshError(ctl, FALSE, _("Unable to shrink current MemorySize"));
return FALSE;
}
}
if (virDomainSetMaxMemory(dom, kilobytes) != 0) {
vshError(ctl, FALSE, _("Unable to change MaxMemorySize"));
ret = FALSE;
}
virDomainFree(dom);
return ret;
}
/*
* "nodeinfo" command
*/
static vshCmdInfo info_nodeinfo[] = {
{"syntax", "nodeinfo"},
{"help", gettext_noop("node information")},
{"desc", gettext_noop("Returns basic information about the node.")},
{NULL, NULL}
};
static int
cmdNodeinfo(vshControl * ctl, vshCmd * cmd ATTRIBUTE_UNUSED)
{
virNodeInfo info;
if (!vshConnectionUsability(ctl, ctl->conn, TRUE))
return FALSE;
if (virNodeGetInfo(ctl->conn, &info) < 0) {
vshError(ctl, FALSE, _("failed to get node information"));
return FALSE;
}
vshPrint(ctl, "%-20s %s\n", _("CPU model:"), info.model);
vshPrint(ctl, "%-20s %d\n", _("CPU(s):"), info.cpus);
vshPrint(ctl, "%-20s %d MHz\n", _("CPU frequency:"), info.mhz);
vshPrint(ctl, "%-20s %d\n", _("CPU socket(s):"), info.sockets);
vshPrint(ctl, "%-20s %d\n", _("Core(s) per socket:"), info.cores);
vshPrint(ctl, "%-20s %d\n", _("Thread(s) per core:"), info.threads);
vshPrint(ctl, "%-20s %d\n", _("NUMA cell(s):"), info.nodes);
vshPrint(ctl, "%-20s %lu kB\n", _("Memory size:"), info.memory);
return TRUE;
}
/*
* "capabilities" command
*/
static vshCmdInfo info_capabilities[] = {
{"syntax", "capabilities"},
{"help", gettext_noop("capabilities")},
{"desc", gettext_noop("Returns capabilities of hypervisor/driver.")},
{NULL, NULL}
};
static int
cmdCapabilities (vshControl * ctl, vshCmd * cmd ATTRIBUTE_UNUSED)
{
char *caps;
if (!vshConnectionUsability(ctl, ctl->conn, TRUE))
return FALSE;
if ((caps = virConnectGetCapabilities (ctl->conn)) == NULL) {
vshError(ctl, FALSE, _("failed to get capabilities"));
return FALSE;
}
vshPrint (ctl, "%s\n", caps);
return TRUE;
}
/*
* "dumpxml" command
*/
static vshCmdInfo info_dumpxml[] = {
{"syntax", "dumpxml <domain>"},
{"help", gettext_noop("domain information in XML")},
{"desc", gettext_noop("Output the domain information as an XML dump to stdout.")},
{NULL, NULL}
};
static vshCmdOptDef opts_dumpxml[] = {
{"domain", VSH_OT_DATA, VSH_OFLAG_REQ, gettext_noop("domain name, id or uuid")},
{NULL, 0, 0, NULL}
};
static int
cmdDumpXML(vshControl * ctl, vshCmd * cmd)
{
virDomainPtr dom;
int ret = TRUE;
char *dump;
if (!vshConnectionUsability(ctl, ctl->conn, TRUE))
return FALSE;
if (!(dom = vshCommandOptDomain(ctl, cmd, "domain", NULL)))
return FALSE;
dump = virDomainGetXMLDesc(dom, 0);
if (dump != NULL) {
printf("%s", dump);
free(dump);
} else {
ret = FALSE;
}
virDomainFree(dom);
return ret;
}
/*
* "domname" command
*/
static vshCmdInfo info_domname[] = {
{"syntax", "domname <domain>"},
{"help", gettext_noop("convert a domain id or UUID to domain name")},
{NULL, NULL}
};
static vshCmdOptDef opts_domname[] = {
{"domain", VSH_OT_DATA, VSH_OFLAG_REQ, gettext_noop("domain id or uuid")},
{NULL, 0, 0, NULL}
};
static int
cmdDomname(vshControl * ctl, vshCmd * cmd)
{
virDomainPtr dom;
if (!vshConnectionUsability(ctl, ctl->conn, TRUE))
return FALSE;
if (!(dom = vshCommandOptDomainBy(ctl, cmd, "domain", NULL,
VSH_BYID|VSH_BYUUID)))
return FALSE;
vshPrint(ctl, "%s\n", virDomainGetName(dom));
virDomainFree(dom);
return TRUE;
}
/*
* "domid" command
*/
static vshCmdInfo info_domid[] = {
{"syntax", "domid <domain>"},
{"help", gettext_noop("convert a domain name or UUID to domain id")},
{NULL, NULL}
};
static vshCmdOptDef opts_domid[] = {
{"domain", VSH_OT_DATA, VSH_OFLAG_REQ, gettext_noop("domain name or uuid")},
{NULL, 0, 0, NULL}
};
static int
cmdDomid(vshControl * ctl, vshCmd * cmd)
{
virDomainPtr dom;
unsigned int id;
if (!vshConnectionUsability(ctl, ctl->conn, TRUE))
return FALSE;
if (!(dom = vshCommandOptDomainBy(ctl, cmd, "domain", 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 vshCmdInfo info_domuuid[] = {
{"syntax", "domuuid <domain>"},
{"help", gettext_noop("convert a domain name or id to domain UUID")},
{NULL, NULL}
};
static vshCmdOptDef opts_domuuid[] = {
{"domain", VSH_OT_DATA, VSH_OFLAG_REQ, gettext_noop("domain id or name")},
{NULL, 0, 0, NULL}
};
static int
cmdDomuuid(vshControl * ctl, vshCmd * cmd)
{
virDomainPtr dom;
char uuid[VIR_UUID_STRING_BUFLEN];
if (!vshConnectionUsability(ctl, ctl->conn, TRUE))
return FALSE;
if (!(dom = vshCommandOptDomainBy(ctl, cmd, "domain", NULL,
VSH_BYNAME|VSH_BYID)))
return FALSE;
if (virDomainGetUUIDString(dom, uuid) != -1)
vshPrint(ctl, "%s\n", uuid);
else
vshError(ctl, FALSE, _("failed to get domain UUID"));
return TRUE;
}
/*
* "net-autostart" command
*/
static vshCmdInfo info_network_autostart[] = {
{"syntax", "net-autostart [--disable] <network>"},
{"help", gettext_noop("autostart a network")},
{"desc",
gettext_noop("Configure a network to be automatically started at boot.")},
{NULL, NULL}
};
static vshCmdOptDef opts_network_autostart[] = {
{"network", VSH_OT_DATA, VSH_OFLAG_REQ, gettext_noop("network name or uuid")},
{"disable", VSH_OT_BOOL, 0, gettext_noop("disable autostarting")},
{NULL, 0, 0, NULL}
};
static int
cmdNetworkAutostart(vshControl * ctl, vshCmd * cmd)
{
virNetworkPtr network;
char *name;
int autostart;
if (!vshConnectionUsability(ctl, ctl->conn, TRUE))
return FALSE;
if (!(network = vshCommandOptNetwork(ctl, cmd, "network", &name)))
return FALSE;
autostart = !vshCommandOptBool(cmd, "disable");
if (virNetworkSetAutostart(network, autostart) < 0) {
if (autostart)
vshError(ctl, FALSE, _("failed to mark network %s as autostarted"),
name);
else
vshError(ctl, FALSE,_("failed to unmark network %s as autostarted"),
name);
virNetworkFree(network);
return FALSE;
}
if (autostart)
vshPrint(ctl, _("Network %s marked as autostarted\n"), name);
else
vshPrint(ctl, _("Network %s unmarked as autostarted\n"), name);
return TRUE;
}
/*
* "net-create" command
*/
static vshCmdInfo info_network_create[] = {
{"syntax", "create a network from an XML <file>"},
{"help", gettext_noop("create a network from an XML file")},
{"desc", gettext_noop("Create a network.")},
{NULL, NULL}
};
static vshCmdOptDef opts_network_create[] = {
{"file", VSH_OT_DATA, VSH_OFLAG_REQ, gettext_noop("file containing an XML network description")},
{NULL, 0, 0, NULL}
};
static int
cmdNetworkCreate(vshControl * ctl, vshCmd * cmd)
{
virNetworkPtr network;
char *from;
int found;
int ret = TRUE;
char *buffer;
if (!vshConnectionUsability(ctl, ctl->conn, TRUE))
return FALSE;
from = vshCommandOptString(cmd, "file", &found);
if (!found)
return FALSE;
buffer = readFile (ctl, from);
if (buffer == NULL) return FALSE;
network = virNetworkCreateXML(ctl->conn, buffer);
free (buffer);
if (network != NULL) {
vshPrint(ctl, _("Network %s created from %s\n"),
virNetworkGetName(network), from);
} else {
vshError(ctl, FALSE, _("Failed to create network from %s"), from);
ret = FALSE;
}
return ret;
}
/*
* "net-define" command
*/
static vshCmdInfo info_network_define[] = {
{"syntax", "define a network from an XML <file>"},
{"help", gettext_noop("define (but don't start) a network from an XML file")},
{"desc", gettext_noop("Define a network.")},
{NULL, NULL}
};
static vshCmdOptDef opts_network_define[] = {
{"file", VSH_OT_DATA, VSH_OFLAG_REQ, gettext_noop("file containing an XML network description")},
{NULL, 0, 0, NULL}
};
static int
cmdNetworkDefine(vshControl * ctl, vshCmd * cmd)
{
virNetworkPtr network;
char *from;
int found;
int ret = TRUE;
char *buffer;
if (!vshConnectionUsability(ctl, ctl->conn, TRUE))
return FALSE;
from = vshCommandOptString(cmd, "file", &found);
if (!found)
return FALSE;
buffer = readFile (ctl, from);
if (buffer == NULL) return FALSE;
network = virNetworkDefineXML(ctl->conn, buffer);
free (buffer);
if (network != NULL) {
vshPrint(ctl, _("Network %s defined from %s\n"),
virNetworkGetName(network), from);
} else {
vshError(ctl, FALSE, _("Failed to define network from %s"), from);
ret = FALSE;
}
return ret;
}
/*
* "net-destroy" command
*/
static vshCmdInfo info_network_destroy[] = {
{"syntax", "net-destroy <network>"},
{"help", gettext_noop("destroy a network")},
{"desc", gettext_noop("Destroy a given network.")},
{NULL, NULL}
};
static vshCmdOptDef opts_network_destroy[] = {
{"network", VSH_OT_DATA, VSH_OFLAG_REQ, gettext_noop("network name, id or uuid")},
{NULL, 0, 0, NULL}
};
static int
cmdNetworkDestroy(vshControl * ctl, vshCmd * cmd)
{
virNetworkPtr network;
int ret = TRUE;
char *name;
if (!vshConnectionUsability(ctl, ctl->conn, TRUE))
return FALSE;
if (!(network = vshCommandOptNetwork(ctl, cmd, "network", &name)))
return FALSE;
if (virNetworkDestroy(network) == 0) {
vshPrint(ctl, _("Network %s destroyed\n"), name);
} else {
vshError(ctl, FALSE, _("Failed to destroy network %s"), name);
ret = FALSE;
virNetworkFree(network);
}
return ret;
}
/*
* "net-dumpxml" command
*/
static vshCmdInfo info_network_dumpxml[] = {
{"syntax", "net-dumpxml <network>"},
{"help", gettext_noop("network information in XML")},
{"desc", gettext_noop("Output the network information as an XML dump to stdout.")},
{NULL, NULL}
};
static vshCmdOptDef opts_network_dumpxml[] = {
{"network", VSH_OT_DATA, VSH_OFLAG_REQ, gettext_noop("network name, id or uuid")},
{NULL, 0, 0, NULL}
};
static int
cmdNetworkDumpXML(vshControl * ctl, vshCmd * cmd)
{
virNetworkPtr network;
int ret = TRUE;
char *dump;
if (!vshConnectionUsability(ctl, ctl->conn, TRUE))
return FALSE;
if (!(network = vshCommandOptNetwork(ctl, cmd, "network", NULL)))
return FALSE;
dump = virNetworkGetXMLDesc(network, 0);
if (dump != NULL) {
printf("%s", dump);
free(dump);
} else {
ret = FALSE;
}
virNetworkFree(network);
return ret;
}
/*
* "net-list" command
*/
static vshCmdInfo info_network_list[] = {
{"syntax", "net-list [ --inactive | --all ]"},
{"help", gettext_noop("list networks")},
{"desc", gettext_noop("Returns list of networks.")},
{NULL, NULL}
};
static vshCmdOptDef opts_network_list[] = {
{"inactive", VSH_OT_BOOL, 0, gettext_noop("list inactive networks")},
{"all", VSH_OT_BOOL, 0, gettext_noop("list inactive & active networks")},
{NULL, 0, 0, NULL}
};
static int
cmdNetworkList(vshControl * ctl, vshCmd * cmd ATTRIBUTE_UNUSED)
{
int inactive = vshCommandOptBool(cmd, "inactive");
int all = vshCommandOptBool(cmd, "all");
int active = !inactive || all ? 1 : 0;
int maxactive = 0, maxinactive = 0, i;
char **activeNames = NULL, **inactiveNames = NULL;
inactive |= all;
if (!vshConnectionUsability(ctl, ctl->conn, TRUE))
return FALSE;
if (active) {
maxactive = virConnectNumOfNetworks(ctl->conn);
if (maxactive < 0) {
vshError(ctl, FALSE, _("Failed to list active networks"));
return FALSE;
}
if (maxactive) {
activeNames = vshMalloc(ctl, sizeof(char *) * maxactive);
if ((maxactive = virConnectListNetworks(ctl->conn, activeNames,
maxactive)) < 0) {
vshError(ctl, FALSE, _("Failed to list active networks"));
free(activeNames);
return FALSE;
}
qsort(&activeNames[0], maxactive, sizeof(char *), namesorter);
}
}
if (inactive) {
maxinactive = virConnectNumOfDefinedNetworks(ctl->conn);
if (maxinactive < 0) {
vshError(ctl, FALSE, _("Failed to list inactive networks"));
if (activeNames)
free(activeNames);
return FALSE;
}
if (maxinactive) {
inactiveNames = vshMalloc(ctl, sizeof(char *) * maxinactive);
if ((maxinactive = virConnectListDefinedNetworks(ctl->conn, inactiveNames, maxinactive)) < 0) {
vshError(ctl, FALSE, _("Failed to list inactive networks"));
if (activeNames)
free(activeNames);
free(inactiveNames);
return FALSE;
}
qsort(&inactiveNames[0], maxinactive, sizeof(char*), namesorter);
}
}
vshPrintExtra(ctl, "%-20s %-10s %-10s\n", _("Name"), _("State"), _("Autostart"));
vshPrintExtra(ctl, "-----------------------------------------\n");
for (i = 0; i < maxactive; i++) {
virNetworkPtr network = virNetworkLookupByName(ctl->conn, activeNames[i]);
const char *autostartStr;
int autostart = 0;
/* this kind of work with networks is not atomic operation */
if (!network) {
free(activeNames[i]);
continue;
}
if (virNetworkGetAutostart(network, &autostart) < 0)
autostartStr = _("no autostart");
else
autostartStr = autostart ? "yes" : "no";
vshPrint(ctl, "%-20s %-10s %-10s\n",
virNetworkGetName(network),
_("active"),
autostartStr);
virNetworkFree(network);
free(activeNames[i]);
}
for (i = 0; i < maxinactive; i++) {
virNetworkPtr network = virNetworkLookupByName(ctl->conn, inactiveNames[i]);
const char *autostartStr;
int autostart = 0;
/* this kind of work with networks is not atomic operation */
if (!network) {
free(inactiveNames[i]);
continue;
}
if (virNetworkGetAutostart(network, &autostart) < 0)
autostartStr = _("no autostart");
else
autostartStr = autostart ? "yes" : "no";
vshPrint(ctl, "%-20s %s %s\n",
inactiveNames[i],
_("inactive"),
autostartStr);
virNetworkFree(network);
free(inactiveNames[i]);
}
if (activeNames)
free(activeNames);
if (inactiveNames)
free(inactiveNames);
return TRUE;
}
/*
* "net-name" command
*/
static vshCmdInfo info_network_name[] = {
{"syntax", "net-name <network>"},
{"help", gettext_noop("convert a network UUID to network name")},
{NULL, NULL}
};
static vshCmdOptDef opts_network_name[] = {
{"network", VSH_OT_DATA, VSH_OFLAG_REQ, gettext_noop("network uuid")},
{NULL, 0, 0, NULL}
};
static int
cmdNetworkName(vshControl * ctl, vshCmd * cmd)
{
virNetworkPtr network;
if (!vshConnectionUsability(ctl, ctl->conn, TRUE))
return FALSE;
if (!(network = vshCommandOptNetworkBy(ctl, cmd, "network", NULL,
VSH_BYUUID)))
return FALSE;
vshPrint(ctl, "%s\n", virNetworkGetName(network));
virNetworkFree(network);
return TRUE;
}
/*
* "net-start" command
*/
static vshCmdInfo info_network_start[] = {
{"syntax", "start <network>"},
{"help", gettext_noop("start a (previously defined) inactive network")},
{"desc", gettext_noop("Start a network.")},
{NULL, NULL}
};
static vshCmdOptDef opts_network_start[] = {
{"name", VSH_OT_DATA, VSH_OFLAG_REQ, gettext_noop("name of the inactive network")},
{NULL, 0, 0, NULL}
};
static int
cmdNetworkStart(vshControl * ctl, vshCmd * cmd)
{
virNetworkPtr network;
int ret = TRUE;
if (!vshConnectionUsability(ctl, ctl->conn, TRUE))
return FALSE;
if (!(network = vshCommandOptNetworkBy(ctl, cmd, "name", NULL, VSH_BYNAME)))
return FALSE;
if (virNetworkCreate(network) == 0) {
vshPrint(ctl, _("Network %s started\n"),
virNetworkGetName(network));
} else {
vshError(ctl, FALSE, _("Failed to start network %s"),
virNetworkGetName(network));
ret = FALSE;
}
return ret;
}
/*
* "net-undefine" command
*/
static vshCmdInfo info_network_undefine[] = {
{"syntax", "net-undefine <network>"},
{"help", gettext_noop("undefine an inactive network")},
{"desc", gettext_noop("Undefine the configuration for an inactive network.")},
{NULL, NULL}
};
static vshCmdOptDef opts_network_undefine[] = {
{"network", VSH_OT_DATA, VSH_OFLAG_REQ, gettext_noop("network name or uuid")},
{NULL, 0, 0, NULL}
};
static int
cmdNetworkUndefine(vshControl * ctl, vshCmd * cmd)
{
virNetworkPtr network;
int ret = TRUE;
char *name;
if (!vshConnectionUsability(ctl, ctl->conn, TRUE))
return FALSE;
if (!(network = vshCommandOptNetwork(ctl, cmd, "network", &name)))
return FALSE;
if (virNetworkUndefine(network) == 0) {
vshPrint(ctl, _("Network %s has been undefined\n"), name);
} else {
vshError(ctl, FALSE, _("Failed to undefine network %s"), name);
ret = FALSE;
}
return ret;
}
/*
* "net-uuid" command
*/
static vshCmdInfo info_network_uuid[] = {
{"syntax", "net-uuid <network>"},
{"help", gettext_noop("convert a network name to network UUID")},
{NULL, NULL}
};
static vshCmdOptDef opts_network_uuid[] = {
{"network", VSH_OT_DATA, VSH_OFLAG_REQ, gettext_noop("network name")},
{NULL, 0, 0, NULL}
};
static int
cmdNetworkUuid(vshControl * ctl, vshCmd * cmd)
{
virNetworkPtr network;
char uuid[VIR_UUID_STRING_BUFLEN];
if (!vshConnectionUsability(ctl, ctl->conn, TRUE))
return FALSE;
if (!(network = vshCommandOptNetworkBy(ctl, cmd, "network", NULL,
VSH_BYNAME)))
return FALSE;
if (virNetworkGetUUIDString(network, uuid) != -1)
vshPrint(ctl, "%s\n", uuid);
else
vshError(ctl, FALSE, _("failed to get network UUID"));
return TRUE;
}
/*
* "version" command
*/
static vshCmdInfo info_version[] = {
{"syntax", "version"},
{"help", gettext_noop("show version")},
{"desc", gettext_noop("Display the system version information.")},
{NULL, NULL}
};
static int
cmdVersion(vshControl * ctl, vshCmd * cmd ATTRIBUTE_UNUSED)
{
unsigned long hvVersion;
const char *hvType;
unsigned long libVersion;
unsigned long includeVersion;
unsigned long apiVersion;
int ret;
unsigned int major;
unsigned int minor;
unsigned int rel;
if (!vshConnectionUsability(ctl, ctl->conn, TRUE))
return FALSE;
hvType = virConnectGetType(ctl->conn);
if (hvType == NULL) {
vshError(ctl, FALSE, _("failed to get hypervisor type"));
return FALSE;
}
includeVersion = LIBVIR_VERSION_NUMBER;
major = includeVersion / 1000000;
includeVersion %= 1000000;
minor = includeVersion / 1000;
rel = includeVersion % 1000;
vshPrint(ctl, _("Compiled against library: libvir %d.%d.%d\n"),
major, minor, rel);
ret = virGetVersion(&libVersion, hvType, &apiVersion);
if (ret < 0) {
vshError(ctl, FALSE, _("failed to get the library version"));
return FALSE;
}
major = libVersion / 1000000;
libVersion %= 1000000;
minor = libVersion / 1000;
rel = libVersion % 1000;
vshPrint(ctl, _("Using library: libvir %d.%d.%d\n"),
major, minor, rel);
major = apiVersion / 1000000;
apiVersion %= 1000000;
minor = apiVersion / 1000;
rel = apiVersion % 1000;
vshPrint(ctl, _("Using API: %s %d.%d.%d\n"), hvType,
major, minor, rel);
ret = virConnectGetVersion(ctl->conn, &hvVersion);
if (ret < 0) {
vshError(ctl, FALSE, _("failed to get the hypervisor version"));
return FALSE;
}
if (hvVersion == 0) {
vshPrint(ctl,
_("Cannot extract running %s hypervisor version\n"), hvType);
} else {
major = hvVersion / 1000000;
hvVersion %= 1000000;
minor = hvVersion / 1000;
rel = hvVersion % 1000;
vshPrint(ctl, _("Running hypervisor: %s %d.%d.%d\n"),
hvType, major, minor, rel);
}
return TRUE;
}
/*
* "hostname" command
*/
static vshCmdInfo info_hostname[] = {
{"syntax", "hostname"},
{"help", gettext_noop("print the hypervisor hostname")},
{NULL, NULL}
};
static int
cmdHostname (vshControl *ctl, vshCmd *cmd ATTRIBUTE_UNUSED)
{
char *hostname;
if (!vshConnectionUsability(ctl, ctl->conn, TRUE))
return FALSE;
hostname = virConnectGetHostname (ctl->conn);
if (hostname == NULL) {
vshError(ctl, FALSE, _("failed to get hostname"));
return FALSE;
}
vshPrint (ctl, "%s\n", hostname);
free (hostname);
return TRUE;
}
/*
* "uri" command
*/
static vshCmdInfo info_uri[] = {
{"syntax", "uri"},
{"help", gettext_noop("print the hypervisor canonical URI")},
{NULL, NULL}
};
static int
cmdURI (vshControl *ctl, vshCmd *cmd ATTRIBUTE_UNUSED)
{
char *uri;
if (!vshConnectionUsability(ctl, ctl->conn, TRUE))
return FALSE;
uri = virConnectGetURI (ctl->conn);
if (uri == NULL) {
vshError(ctl, FALSE, _("failed to get URI"));
return FALSE;
}
vshPrint (ctl, "%s\n", uri);
free (uri);
return TRUE;
}
/*
* "vncdisplay" command
*/
static vshCmdInfo info_vncdisplay[] = {
{"syntax", "vncdisplay <domain>"},
{"help", gettext_noop("vnc display")},
{"desc", gettext_noop("Output the IP address and port number for the VNC display.")},
{NULL, NULL}
};
static vshCmdOptDef opts_vncdisplay[] = {
{"domain", VSH_OT_DATA, VSH_OFLAG_REQ, gettext_noop("domain name, id or uuid")},
{NULL, 0, 0, NULL}
};
static int
cmdVNCDisplay(vshControl * ctl, vshCmd * cmd)
{
xmlDocPtr xml = NULL;
xmlXPathObjectPtr obj = NULL;
xmlXPathContextPtr ctxt = NULL;
virDomainPtr dom;
int ret = FALSE;
int port = 0;
char *doc;
if (!vshConnectionUsability(ctl, ctl->conn, TRUE))
return FALSE;
if (!(dom = vshCommandOptDomain(ctl, cmd, "domain", NULL)))
return FALSE;
doc = virDomainGetXMLDesc(dom, 0);
if (!doc)
goto cleanup;
xml = xmlReadDoc((const xmlChar *) doc, "domain.xml", NULL,
XML_PARSE_NOENT | XML_PARSE_NONET |
XML_PARSE_NOWARNING);
free(doc);
if (!xml)
goto cleanup;
ctxt = xmlXPathNewContext(xml);
if (!ctxt)
goto cleanup;
obj = xmlXPathEval(BAD_CAST "string(/domain/devices/graphics[@type='vnc']/@port)", ctxt);
if ((obj == NULL) || (obj->type != XPATH_STRING) ||
(obj->stringval == NULL) || (obj->stringval[0] == 0)) {
goto cleanup;
}
port = strtol((const char *)obj->stringval, NULL, 10);
if (port == -1) {
goto cleanup;
}
xmlXPathFreeObject(obj);
obj = xmlXPathEval(BAD_CAST "string(/domain/devices/graphics[@type='vnc']/@listen)", ctxt);
if ((obj == NULL) || (obj->type != XPATH_STRING) ||
(obj->stringval == NULL) || (obj->stringval[0] == 0) ||
!strcmp((const char*)obj->stringval, "0.0.0.0")) {
vshPrint(ctl, ":%d\n", port-5900);
} else {
vshPrint(ctl, "%s:%d\n", (const char *)obj->stringval, port-5900);
}
xmlXPathFreeObject(obj);
obj = NULL;
cleanup:
if (obj)
xmlXPathFreeObject(obj);
if (ctxt)
xmlXPathFreeContext(ctxt);
if (xml)
xmlFreeDoc(xml);
virDomainFree(dom);
return ret;
}
/*
* "ttyconsole" command
*/
static vshCmdInfo info_ttyconsole[] = {
{"syntax", "ttyconsole <domain>"},
{"help", gettext_noop("tty console")},
{"desc", gettext_noop("Output the device for the TTY console.")},
{NULL, NULL}
};
static vshCmdOptDef opts_ttyconsole[] = {
{"domain", VSH_OT_DATA, VSH_OFLAG_REQ, gettext_noop("domain name, id or uuid")},
{NULL, 0, 0, NULL}
};
static int
cmdTTYConsole(vshControl * ctl, vshCmd * cmd)
{
xmlDocPtr xml = NULL;
xmlXPathObjectPtr obj = NULL;
xmlXPathContextPtr ctxt = NULL;
virDomainPtr dom;
int ret = FALSE;
char *doc;
if (!vshConnectionUsability(ctl, ctl->conn, TRUE))
return FALSE;
if (!(dom = vshCommandOptDomain(ctl, cmd, "domain", NULL)))
return FALSE;
doc = virDomainGetXMLDesc(dom, 0);
if (!doc)
goto cleanup;
xml = xmlReadDoc((const xmlChar *) doc, "domain.xml", NULL,
XML_PARSE_NOENT | XML_PARSE_NONET |
XML_PARSE_NOWARNING);
free(doc);
if (!xml)
goto cleanup;
ctxt = xmlXPathNewContext(xml);
if (!ctxt)
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);
cleanup:
if (obj)
xmlXPathFreeObject(obj);
if (ctxt)
xmlXPathFreeContext(ctxt);
if (xml)
xmlFreeDoc(xml);
virDomainFree(dom);
return ret;
}
/*
* "attach-device" command
*/
static vshCmdInfo info_attach_device[] = {
{"syntax", "attach-device <domain> <file> "},
{"help", gettext_noop("attach device from an XML file")},
{"desc", gettext_noop("Attach device from an XML <file>.")},
{NULL, NULL}
};
static vshCmdOptDef opts_attach_device[] = {
{"domain", VSH_OT_DATA, VSH_OFLAG_REQ, gettext_noop("domain name, id or uuid")},
{"file", VSH_OT_DATA, VSH_OFLAG_REQ, gettext_noop("XML file")},
{NULL, 0, 0, NULL}
};
static int
cmdAttachDevice(vshControl * ctl, vshCmd * cmd)
{
virDomainPtr dom;
char *from;
char *buffer;
int ret = TRUE;
int found;
if (!vshConnectionUsability(ctl, ctl->conn, TRUE))
return FALSE;
if (!(dom = vshCommandOptDomain(ctl, cmd, "domain", NULL)))
return FALSE;
from = vshCommandOptString(cmd, "file", &found);
if (!found) {
virDomainFree(dom);
return FALSE;
}
buffer = readFile (ctl, from);
if (buffer == NULL) return FALSE;
ret = virDomainAttachDevice(dom, buffer);
free (buffer);
if (ret < 0) {
vshError(ctl, FALSE, _("Failed to attach device from %s"), from);
virDomainFree(dom);
return FALSE;
}
virDomainFree(dom);
return TRUE;
}
/*
* "detach-device" command
*/
static vshCmdInfo info_detach_device[] = {
{"syntax", "detach-device <domain> <file> "},
{"help", gettext_noop("detach device from an XML file")},
{"desc", gettext_noop("Detach device from an XML <file>")},
{NULL, NULL}
};
static vshCmdOptDef opts_detach_device[] = {
{"domain", VSH_OT_DATA, VSH_OFLAG_REQ, gettext_noop("domain name, id or uuid")},
{"file", VSH_OT_DATA, VSH_OFLAG_REQ, gettext_noop("XML file")},
{NULL, 0, 0, NULL}
};
static int
cmdDetachDevice(vshControl * ctl, vshCmd * cmd)
{
virDomainPtr dom;
char *from;
char *buffer;
int ret = TRUE;
int found;
if (!vshConnectionUsability(ctl, ctl->conn, TRUE))
return FALSE;
if (!(dom = vshCommandOptDomain(ctl, cmd, "domain", NULL)))
return FALSE;
from = vshCommandOptString(cmd, "file", &found);
if (!found) {
virDomainFree(dom);
return FALSE;
}
buffer = readFile (ctl, from);
if (buffer == NULL) return FALSE;
ret = virDomainDetachDevice(dom, buffer);
free (buffer);
if (ret < 0) {
vshError(ctl, FALSE, _("Failed to detach device from %s"), from);
virDomainFree(dom);
return FALSE;
}
virDomainFree(dom);
return TRUE;
}
/*
* "attach-interface" command
*/
static vshCmdInfo info_attach_interface[] = {
{"syntax", "attach-interface <domain> <type> <source> [--target <target>] [--mac <mac>] [--script <script>] "},
{"help", gettext_noop("attach network interface")},
{"desc", gettext_noop("Attach new network interface.")},
{NULL, NULL}
};
static vshCmdOptDef opts_attach_interface[] = {
{"domain", VSH_OT_DATA, VSH_OFLAG_REQ, gettext_noop("domain name, id or uuid")},
{"type", VSH_OT_DATA, VSH_OFLAG_REQ, gettext_noop("network interface type")},
{"source", VSH_OT_DATA, VSH_OFLAG_REQ, gettext_noop("source of network interface")},
{"target", VSH_OT_DATA, 0, gettext_noop("target network name")},
{"mac", VSH_OT_DATA, 0, gettext_noop("MAC adress")},
{"script", VSH_OT_DATA, 0, gettext_noop("script used to bridge network interface")},
{NULL, 0, 0, NULL}
};
static int
cmdAttachInterface(vshControl * ctl, vshCmd * cmd)
{
virDomainPtr dom = NULL;
char *mac, *target, *script, *type, *source;
int typ, ret = FALSE;
char *buf = NULL, *tmp = NULL;
if (!vshConnectionUsability(ctl, ctl->conn, TRUE))
goto cleanup;
if (!(dom = vshCommandOptDomain(ctl, cmd, "domain", NULL)))
goto cleanup;
if (!(type = vshCommandOptString(cmd, "type", NULL)))
goto cleanup;
source = vshCommandOptString(cmd, "source", NULL);
target = vshCommandOptString(cmd, "target", NULL);
mac = vshCommandOptString(cmd, "mac", NULL);
script = vshCommandOptString(cmd, "script", NULL);
/* check interface type */
if (strcmp(type, "network") == 0) {
typ = 1;
} else if (strcmp(type, "bridge") == 0) {
typ = 2;
} else {
vshError(ctl, FALSE, _("No support %s in command 'attach-interface'"), type);
goto cleanup;
}
/* Make XML of interface */
tmp = vshMalloc(ctl, 1);
if (!tmp) goto cleanup;
buf = vshMalloc(ctl, strlen(type) + 25);
if (!buf) goto cleanup;
sprintf(buf, " <interface type='%s'>\n" , type);
tmp = vshRealloc(ctl, tmp, strlen(source) + 28);
if (!tmp) goto cleanup;
if (typ == 1) {
sprintf(tmp, " <source network='%s'/>\n", source);
} else if (typ == 2) {
sprintf(tmp, " <source bridge='%s'/>\n", source);
}
buf = vshRealloc(ctl, buf, strlen(buf) + strlen(tmp) + 1);
if (!buf) goto cleanup;
strcat(buf, tmp);
if (target != NULL) {
tmp = vshRealloc(ctl, tmp, strlen(target) + 24);
if (!tmp) goto cleanup;
sprintf(tmp, " <target dev='%s'/>\n", target);
buf = vshRealloc(ctl, buf, strlen(buf) + strlen(tmp) + 1);
if (!buf) goto cleanup;
strcat(buf, tmp);
}
if (mac != NULL) {
tmp = vshRealloc(ctl, tmp, strlen(mac) + 25);
if (!tmp) goto cleanup;
sprintf(tmp, " <mac address='%s'/>\n", mac);
buf = vshRealloc(ctl, buf, strlen(buf) + strlen(tmp) + 1);
if (!buf) goto cleanup;
strcat(buf, tmp);
}
if (script != NULL) {
tmp = vshRealloc(ctl, tmp, strlen(script) + 25);
if (!tmp) goto cleanup;
sprintf(tmp, " <script path='%s'/>\n", script);
buf = vshRealloc(ctl, buf, strlen(buf) + strlen(tmp) + 1);
if (!buf) goto cleanup;
strcat(buf, tmp);
}
buf = vshRealloc(ctl, buf, strlen(buf) + 19);
if (!buf) goto cleanup;
strcat(buf, " </interface>\n");
if (virDomainAttachDevice(dom, buf))
goto cleanup;
ret = TRUE;
cleanup:
if (dom)
virDomainFree(dom);
if (buf)
free(buf);
if (tmp)
free(tmp);
return ret;
}
/*
* "detach-interface" command
*/
static vshCmdInfo info_detach_interface[] = {
{"syntax", "detach-interface <domain> <type> [--mac <mac>] "},
{"help", gettext_noop("detach network interface")},
{"desc", gettext_noop("Detach network interface.")},
{NULL, NULL}
};
static vshCmdOptDef opts_detach_interface[] = {
{"domain", VSH_OT_DATA, VSH_OFLAG_REQ, gettext_noop("domain name, id or uuid")},
{"type", VSH_OT_DATA, VSH_OFLAG_REQ, gettext_noop("network interface type")},
{"mac", VSH_OT_DATA, 0, gettext_noop("MAC adress")},
{NULL, 0, 0, NULL}
};
static int
cmdDetachInterface(vshControl * ctl, vshCmd * cmd)
{
virDomainPtr dom = NULL;
xmlDocPtr xml = NULL;
xmlXPathObjectPtr obj=NULL;
xmlXPathContextPtr ctxt = NULL;
xmlNodePtr cur = NULL;
xmlChar *tmp_mac = NULL;
xmlBufferPtr xml_buf = NULL;
char *doc, *mac =NULL, *type;
char buf[64];
int i = 0, diff_mac, ret = FALSE;
if (!vshConnectionUsability(ctl, ctl->conn, TRUE))
goto cleanup;
if (!(dom = vshCommandOptDomain(ctl, cmd, "domain", NULL)))
goto cleanup;
if (!(type = vshCommandOptString(cmd, "type", NULL)))
goto cleanup;
mac = vshCommandOptString(cmd, "mac", NULL);
doc = virDomainGetXMLDesc(dom, 0);
if (!doc)
goto cleanup;
xml = xmlReadDoc((const xmlChar *) doc, "domain.xml", NULL,
XML_PARSE_NOENT | XML_PARSE_NONET |
XML_PARSE_NOWARNING);
free(doc);
if (!xml) {
vshError(ctl, FALSE, _("Failed to get interface information"));
goto cleanup;
}
ctxt = xmlXPathNewContext(xml);
if (!ctxt) {
vshError(ctl, FALSE, _("Failed to get interface information"));
goto cleanup;
}
sprintf(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, FALSE, _("No found interface whose type is %s"), type);
goto cleanup;
}
if (!mac)
goto hit;
/* search 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")) {
tmp_mac = xmlGetProp(cur, BAD_CAST "address");
diff_mac = xmlStrcasecmp(tmp_mac, BAD_CAST mac);
xmlFree(tmp_mac);
if (!diff_mac) {
goto hit;
}
}
cur = cur->next;
}
}
vshError(ctl, FALSE, _("No found interface whose MAC address is %s"), mac);
goto cleanup;
hit:
xml_buf = xmlBufferCreate();
if (!xml_buf) {
vshError(ctl, FALSE, _("Failed to allocate memory"));
goto cleanup;
}
if(xmlNodeDump(xml_buf, xml, obj->nodesetval->nodeTab[i], 0, 0) < 0){
vshError(ctl, FALSE, _("Failed to create XML"));
goto cleanup;
}
ret = virDomainDetachDevice(dom, (char *)xmlBufferContent(xml_buf));
if (ret != 0)
ret = FALSE;
else
ret = TRUE;
cleanup:
if (dom)
virDomainFree(dom);
if (obj)
xmlXPathFreeObject(obj);
if (ctxt)
xmlXPathFreeContext(ctxt);
if (xml)
xmlFreeDoc(xml);
if (xml_buf)
xmlBufferFree(xml_buf);
return ret;
}
/*
* "attach-disk" command
*/
static vshCmdInfo info_attach_disk[] = {
{"syntax", "attach-disk <domain> <source> <target> [--driver <driver>] [--subdriver <subdriver>] [--type <type>] [--mode <mode>] "},
{"help", gettext_noop("attach disk device")},
{"desc", gettext_noop("Attach new disk device.")},
{NULL, NULL}
};
static vshCmdOptDef opts_attach_disk[] = {
{"domain", VSH_OT_DATA, VSH_OFLAG_REQ, gettext_noop("domain name, id or uuid")},
{"source", VSH_OT_DATA, VSH_OFLAG_REQ, gettext_noop("source of disk device")},
{"target", VSH_OT_DATA, VSH_OFLAG_REQ, gettext_noop("target of disk device")},
{"driver", VSH_OT_DATA, 0, gettext_noop("driver of disk device")},
{"subdriver", VSH_OT_DATA, 0, gettext_noop("subdriver of disk device")},
{"type", VSH_OT_DATA, 0, gettext_noop("target device type")},
{"mode", VSH_OT_DATA, 0, gettext_noop("mode of device reading and writing")},
{NULL, 0, 0, NULL}
};
static int
cmdAttachDisk(vshControl * ctl, vshCmd * cmd)
{
virDomainPtr dom = NULL;
char *source, *target, *driver, *subdriver, *type, *mode;
int isFile = 0, ret = FALSE;
char *buf = NULL, *tmp = NULL;
if (!vshConnectionUsability(ctl, ctl->conn, TRUE))
goto cleanup;
if (!(dom = vshCommandOptDomain(ctl, cmd, "domain", NULL)))
goto cleanup;
if (!(source = vshCommandOptString(cmd, "source", NULL)))
goto cleanup;
if (!(target = vshCommandOptString(cmd, "target", NULL)))
goto cleanup;
driver = vshCommandOptString(cmd, "driver", NULL);
subdriver = vshCommandOptString(cmd, "subdriver", NULL);
type = vshCommandOptString(cmd, "type", NULL);
mode = vshCommandOptString(cmd, "mode", NULL);
if (type) {
if (strcmp(type, "cdrom") && strcmp(type, "disk")) {
vshError(ctl, FALSE, _("No support %s in command 'attach-disk'"), type);
goto cleanup;
}
}
if (driver) {
if (!strcmp(driver, "file") || !strcmp(driver, "tap")) {
isFile = 1;
} else if (strcmp(driver, "phy")) {
vshError(ctl, FALSE, _("No support %s in command 'attach-disk'"), driver);
goto cleanup;
}
}
if (mode) {
if (strcmp(mode, "readonly") && strcmp(mode, "shareable")) {
vshError(ctl, FALSE, _("No support %s in command 'attach-disk'"), mode);
goto cleanup;
}
}
/* Make XML of disk */
tmp = vshMalloc(ctl, 1);
if (!tmp) goto cleanup;
buf = vshMalloc(ctl, 23);
if (!buf) goto cleanup;
if (isFile) {
sprintf(buf, " <disk type='file'");
} else {
sprintf(buf, " <disk type='block'");
}
if (type) {
tmp = vshRealloc(ctl, tmp, strlen(type) + 13);
if (!tmp) goto cleanup;
sprintf(tmp, " device='%s'>\n", type);
} else {
tmp = vshRealloc(ctl, tmp, 3);
if (!tmp) goto cleanup;
sprintf(tmp, ">\n");
}
buf = vshRealloc(ctl, buf, strlen(buf) + strlen(tmp) + 1);
if (!buf) goto cleanup;
strcat(buf, tmp);
if (driver) {
tmp = vshRealloc(ctl, tmp, strlen(driver) + 22);
if (!tmp) goto cleanup;
sprintf(tmp, " <driver name='%s'", driver);
} else {
tmp = vshRealloc(ctl, tmp, 25);
if (!tmp) goto cleanup;
sprintf(tmp, " <driver name='phy'");
}
buf = vshRealloc(ctl, buf, strlen(buf) + strlen(tmp) + 1);
if (!buf) goto cleanup;
strcat(buf, tmp);
if (subdriver) {
tmp = vshRealloc(ctl, tmp, strlen(subdriver) + 12);
if (!tmp) goto cleanup;
sprintf(tmp, " type='%s'/>\n", subdriver);
} else {
tmp = vshRealloc(ctl, tmp, 4);
if (!tmp) goto cleanup;
sprintf(tmp, "/>\n");
}
buf = vshRealloc(ctl, buf, strlen(buf) + strlen(tmp) + 1);
if (!buf) goto cleanup;
strcat(buf, tmp);
tmp = vshRealloc(ctl, tmp, strlen(source) + 25);
if (!tmp) goto cleanup;
if (isFile) {
sprintf(tmp, " <source file='%s'/>\n", source);
} else {
sprintf(tmp, " <source dev='%s'/>\n", source);
}
buf = vshRealloc(ctl, buf, strlen(buf) + strlen(tmp) + 1);
if (!buf) goto cleanup;
strcat(buf, tmp);
tmp = vshRealloc(ctl, tmp, strlen(target) + 24);
if (!tmp) goto cleanup;
sprintf(tmp, " <target dev='%s'/>\n", target);
buf = vshRealloc(ctl, buf, strlen(buf) + strlen(tmp) + 1);
if (!buf) goto cleanup;
strcat(buf, tmp);
if (mode != NULL) {
tmp = vshRealloc(ctl, tmp, strlen(mode) + 11);
if (!tmp) goto cleanup;
sprintf(tmp, " <%s/>\n", mode);
buf = vshRealloc(ctl, buf, strlen(buf) + strlen(tmp) + 1);
if (!buf) goto cleanup;
strcat(buf, tmp);
}
buf = vshRealloc(ctl, buf, strlen(buf) + 13);
if (!buf) goto cleanup;
strcat(buf, " </disk>\n");
if (virDomainAttachDevice(dom, buf))
goto cleanup;
ret = TRUE;
cleanup:
if (dom)
virDomainFree(dom);
if (buf)
free(buf);
if (tmp)
free(tmp);
return ret;
}
/*
* "detach-disk" command
*/
static vshCmdInfo info_detach_disk[] = {
{"syntax", "detach-disk <domain> <target> "},
{"help", gettext_noop("detach disk device")},
{"desc", gettext_noop("Detach disk device.")},
{NULL, NULL}
};
static vshCmdOptDef opts_detach_disk[] = {
{"domain", VSH_OT_DATA, VSH_OFLAG_REQ, gettext_noop("domain name, id or uuid")},
{"target", VSH_OT_DATA, VSH_OFLAG_REQ, gettext_noop("target of disk device")},
{NULL, 0, 0, NULL}
};
static int
cmdDetachDisk(vshControl * ctl, vshCmd * cmd)
{
xmlDocPtr xml = NULL;
xmlXPathObjectPtr obj=NULL;
xmlXPathContextPtr ctxt = NULL;
xmlNodePtr cur = NULL;
xmlChar *tmp_tgt = NULL;
xmlBufferPtr xml_buf = NULL;
virDomainPtr dom = NULL;
char *doc, *target;
int i = 0, diff_tgt, ret = FALSE;
if (!vshConnectionUsability(ctl, ctl->conn, TRUE))
goto cleanup;
if (!(dom = vshCommandOptDomain(ctl, cmd, "domain", NULL)))
goto cleanup;
if (!(target = vshCommandOptString(cmd, "target", NULL)))
goto cleanup;
doc = virDomainGetXMLDesc(dom, 0);
if (!doc)
goto cleanup;
xml = xmlReadDoc((const xmlChar *) doc, "domain.xml", NULL,
XML_PARSE_NOENT | XML_PARSE_NONET |
XML_PARSE_NOWARNING);
free(doc);
if (!xml) {
vshError(ctl, FALSE, _("Failed to get disk information"));
goto cleanup;
}
ctxt = xmlXPathNewContext(xml);
if (!ctxt) {
vshError(ctl, FALSE, _("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(ctl, FALSE, _("Failed to get disk information"));
goto cleanup;
}
/* search target */
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 "target")) {
tmp_tgt = xmlGetProp(cur, BAD_CAST "dev");
diff_tgt = xmlStrEqual(tmp_tgt, BAD_CAST target);
xmlFree(tmp_tgt);
if (diff_tgt) {
goto hit;
}
}
cur = cur->next;
}
}
vshError(ctl, FALSE, _("No found disk whose target is %s"), target);
goto cleanup;
hit:
xml_buf = xmlBufferCreate();
if (!xml_buf) {
vshError(ctl, FALSE, _("Failed to allocate memory"));
goto cleanup;
}
if(xmlNodeDump(xml_buf, xml, obj->nodesetval->nodeTab[i], 0, 0) < 0){
vshError(ctl, FALSE, _("Failed to create XML"));
goto cleanup;
}
ret = virDomainDetachDevice(dom, (char *)xmlBufferContent(xml_buf));
if (ret != 0)
ret = FALSE;
else
ret = TRUE;
cleanup:
if (obj)
xmlXPathFreeObject(obj);
if (ctxt)
xmlXPathFreeContext(ctxt);
if (xml)
xmlFreeDoc(xml);
if (xml_buf)
xmlBufferFree(xml_buf);
if (dom)
virDomainFree(dom);
return ret;
}
/*
* "quit" command
*/
static vshCmdInfo info_quit[] = {
{"syntax", "quit"},
{"help", gettext_noop("quit this interactive terminal")},
{NULL, NULL}
};
static int
cmdQuit(vshControl * ctl, vshCmd * cmd ATTRIBUTE_UNUSED)
{
ctl->imode = FALSE;
return TRUE;
}
/*
* Commands
*/
static vshCmdDef commands[] = {
{"help", cmdHelp, opts_help, info_help},
{"attach-device", cmdAttachDevice, opts_attach_device, info_attach_device},
{"attach-disk", cmdAttachDisk, opts_attach_disk, info_attach_disk},
{"attach-interface", cmdAttachInterface, opts_attach_interface, info_attach_interface},
{"autostart", cmdAutostart, opts_autostart, info_autostart},
{"capabilities", cmdCapabilities, NULL, info_capabilities},
{"connect", cmdConnect, opts_connect, info_connect},
{"console", cmdConsole, opts_console, info_console},
{"create", cmdCreate, opts_create, info_create},
{"start", cmdStart, opts_start, info_start},
{"destroy", cmdDestroy, opts_destroy, info_destroy},
{"detach-device", cmdDetachDevice, opts_detach_device, info_detach_device},
{"detach-disk", cmdDetachDisk, opts_detach_disk, info_detach_disk},
{"detach-interface", cmdDetachInterface, opts_detach_interface, info_detach_interface},
{"define", cmdDefine, opts_define, info_define},
{"domid", cmdDomid, opts_domid, info_domid},
{"domuuid", cmdDomuuid, opts_domuuid, info_domuuid},
{"dominfo", cmdDominfo, opts_dominfo, info_dominfo},
{"domname", cmdDomname, opts_domname, info_domname},
{"domstate", cmdDomstate, opts_domstate, info_domstate},
{"dumpxml", cmdDumpXML, opts_dumpxml, info_dumpxml},
{"hostname", cmdHostname, NULL, info_hostname},
{"list", cmdList, opts_list, info_list},
{"net-autostart", cmdNetworkAutostart, opts_network_autostart, info_network_autostart},
{"net-create", cmdNetworkCreate, opts_network_create, info_network_create},
{"net-define", cmdNetworkDefine, opts_network_define, info_network_define},
{"net-destroy", cmdNetworkDestroy, opts_network_destroy, info_network_destroy},
{"net-dumpxml", cmdNetworkDumpXML, opts_network_dumpxml, info_network_dumpxml},
{"net-list", cmdNetworkList, opts_network_list, info_network_list},
{"net-name", cmdNetworkName, opts_network_name, info_network_name},
{"net-start", cmdNetworkStart, opts_network_start, info_network_start},
{"net-undefine", cmdNetworkUndefine, opts_network_undefine, info_network_undefine},
{"net-uuid", cmdNetworkUuid, opts_network_uuid, info_network_uuid},
{"nodeinfo", cmdNodeinfo, NULL, info_nodeinfo},
{"quit", cmdQuit, NULL, info_quit},
{"reboot", cmdReboot, opts_reboot, info_reboot},
{"restore", cmdRestore, opts_restore, info_restore},
{"resume", cmdResume, opts_resume, info_resume},
{"save", cmdSave, opts_save, info_save},
{"schedinfo", cmdSchedinfo, opts_schedinfo, info_schedinfo},
{"dump", cmdDump, opts_dump, info_dump},
{"shutdown", cmdShutdown, opts_shutdown, info_shutdown},
{"setmem", cmdSetmem, opts_setmem, info_setmem},
{"setmaxmem", cmdSetmaxmem, opts_setmaxmem, info_setmaxmem},
{"setvcpus", cmdSetvcpus, opts_setvcpus, info_setvcpus},
{"suspend", cmdSuspend, opts_suspend, info_suspend},
{"ttyconsole", cmdTTYConsole, opts_ttyconsole, info_ttyconsole},
{"undefine", cmdUndefine, opts_undefine, info_undefine},
{"uri", cmdURI, NULL, info_uri},
{"vcpuinfo", cmdVcpuinfo, opts_vcpuinfo, info_vcpuinfo},
{"vcpupin", cmdVcpupin, opts_vcpupin, info_vcpupin},
{"version", cmdVersion, NULL, info_version},
{"vncdisplay", cmdVNCDisplay, opts_vncdisplay, info_vncdisplay},
{NULL, NULL, NULL, NULL}
};
/* ---------------
* Utils for work with command definition
* ---------------
*/
static const char *
vshCmddefGetInfo(vshCmdDef * cmd, const char *name)
{
vshCmdInfo *info;
for (info = cmd->info; info && info->name; info++) {
if (strcmp(info->name, name) == 0)
return info->data;
}
return NULL;
}
static vshCmdOptDef *
vshCmddefGetOption(vshCmdDef * cmd, const char *name)
{
vshCmdOptDef *opt;
for (opt = cmd->opts; opt && opt->name; opt++)
if (strcmp(opt->name, name) == 0)
return opt;
return NULL;
}
static vshCmdOptDef *
vshCmddefGetData(vshCmdDef * cmd, int data_ct)
{
vshCmdOptDef *opt;
for (opt = cmd->opts; opt && opt->name; opt++) {
if (opt->type == VSH_OT_DATA) {
if (data_ct == 0)
return opt;
else
data_ct--;
}
}
return NULL;
}
/*
* Checks for required options
*/
static int
vshCommandCheckOpts(vshControl * ctl, vshCmd * cmd)
{
vshCmdDef *def = cmd->def;
vshCmdOptDef *d;
int err = 0;
for (d = def->opts; d && d->name; d++) {
if (d->flag & VSH_OFLAG_REQ) {
vshCmdOpt *o = cmd->opts;
int ok = 0;
while (o && ok == 0) {
if (o->def == d)
ok = 1;
o = o->next;
}
if (!ok) {
vshError(ctl, FALSE,
d->type == VSH_OT_DATA ?
_("command '%s' requires <%s> option") :
_("command '%s' requires --%s option"),
def->name, d->name);
err = 1;
}
}
}
return !err;
}
static vshCmdDef *
vshCmddefSearch(const char *cmdname)
{
vshCmdDef *c;
for (c = commands; c->name; c++)
if (strcmp(c->name, cmdname) == 0)
return c;
return NULL;
}
static int
vshCmddefHelp(vshControl * ctl, const char *cmdname, int withprog)
{
vshCmdDef *def = vshCmddefSearch(cmdname);
if (!def) {
vshError(ctl, FALSE, _("command '%s' doesn't exist"), cmdname);
return FALSE;
} else {
vshCmdOptDef *opt;
const char *desc = N_(vshCmddefGetInfo(def, "desc"));
const char *help = N_(vshCmddefGetInfo(def, "help"));
const char *syntax = vshCmddefGetInfo(def, "syntax");
fputs(_(" NAME\n"), stdout);
fprintf(stdout, " %s - %s\n", def->name, help);
if (syntax) {
fputs(_("\n SYNOPSIS\n"), stdout);
if (!withprog)
fprintf(stdout, " %s\n", syntax);
else
fprintf(stdout, " %s %s\n", progname, syntax);
}
if (desc) {
fputs(_("\n DESCRIPTION\n"), stdout);
fprintf(stdout, " %s\n", desc);
}
if (def->opts) {
fputs(_("\n OPTIONS\n"), stdout);
for (opt = def->opts; opt->name; opt++) {
char buf[256];
if (opt->type == VSH_OT_BOOL)
snprintf(buf, sizeof(buf), "--%s", opt->name);
else if (opt->type == VSH_OT_INT)
snprintf(buf, sizeof(buf), _("--%s <number>"), opt->name);
else if (opt->type == VSH_OT_STRING)
snprintf(buf, sizeof(buf), _("--%s <string>"), opt->name);
else if (opt->type == VSH_OT_DATA)
snprintf(buf, sizeof(buf), "<%s>", opt->name);
fprintf(stdout, " %-15s %s\n", buf, N_(opt->help));
}
}
fputc('\n', stdout);
}
return TRUE;
}
/* ---------------
* Utils for work with runtime commands data
* ---------------
*/
static void
vshCommandOptFree(vshCmdOpt * arg)
{
vshCmdOpt *a = arg;
while (a) {
vshCmdOpt *tmp = a;
a = a->next;
if (tmp->data)
free(tmp->data);
free(tmp);
}
}
static void
vshCommandFree(vshCmd * cmd)
{
vshCmd *c = cmd;
while (c) {
vshCmd *tmp = c;
c = c->next;
if (tmp->opts)
vshCommandOptFree(tmp->opts);
free(tmp);
}
}
/*
* Returns option by name
*/
static vshCmdOpt *
vshCommandOpt(vshCmd * cmd, const char *name)
{
vshCmdOpt *opt = cmd->opts;
while (opt) {
if (opt->def && strcmp(opt->def->name, name) == 0)
return opt;
opt = opt->next;
}
return NULL;
}
/*
* Returns option as INT
*/
static int
vshCommandOptInt(vshCmd * cmd, const char *name, int *found)
{
vshCmdOpt *arg = vshCommandOpt(cmd, name);
int res = 0;
if (arg)
res = atoi(arg->data);
if (found)
*found = arg ? TRUE : FALSE;
return res;
}
/*
* Returns option as STRING
*/
static char *
vshCommandOptString(vshCmd * cmd, const char *name, int *found)
{
vshCmdOpt *arg = vshCommandOpt(cmd, name);
if (found)
*found = arg ? TRUE : FALSE;
return arg && arg->data && *arg->data ? arg->data : NULL;
}
/*
* Returns TRUE/FALSE if the option exists
*/
static int
vshCommandOptBool(vshCmd * cmd, const char *name)
{
return vshCommandOpt(cmd, name) ? TRUE : FALSE;
}
static virDomainPtr
vshCommandOptDomainBy(vshControl * ctl, vshCmd * cmd, const char *optname,
char **name, int flag)
{
virDomainPtr dom = NULL;
char *n, *end = NULL;
int id;
if (!(n = vshCommandOptString(cmd, optname, NULL))) {
vshError(ctl, FALSE, _("undefined domain name or id"));
return NULL;
}
vshDebug(ctl, 5, "%s: found option <%s>: %s\n",
cmd->def->name, optname, n);
if (name)
*name = n;
/* try it by ID */
if (flag & VSH_BYID) {
id = (int) strtol(n, &end, 10);
if (id >= 0 && end && *end == '\0') {
vshDebug(ctl, 5, "%s: <%s> seems like domain ID\n",
cmd->def->name, optname);
dom = virDomainLookupByID(ctl->conn, id);
}
}
/* try it by UUID */
if (dom==NULL && (flag & VSH_BYUUID) && strlen(n)==VIR_UUID_STRING_BUFLEN-1) {
vshDebug(ctl, 5, "%s: <%s> tring as domain UUID\n",
cmd->def->name, optname);
dom = virDomainLookupByUUIDString(ctl->conn, n);
}
/* try it by NAME */
if (dom==NULL && (flag & VSH_BYNAME)) {
vshDebug(ctl, 5, "%s: <%s> tring as domain NAME\n",
cmd->def->name, optname);
dom = virDomainLookupByName(ctl->conn, n);
}
if (!dom)
vshError(ctl, FALSE, _("failed to get domain '%s'"), n);
return dom;
}
static virNetworkPtr
vshCommandOptNetworkBy(vshControl * ctl, vshCmd * cmd, const char *optname,
char **name, int flag)
{
virNetworkPtr network = NULL;
char *n;
if (!(n = vshCommandOptString(cmd, optname, NULL))) {
vshError(ctl, FALSE, _("undefined network name"));
return NULL;
}
vshDebug(ctl, 5, "%s: found option <%s>: %s\n",
cmd->def->name, optname, n);
if (name)
*name = n;
/* try it by UUID */
if (network==NULL && (flag & VSH_BYUUID) && strlen(n)==VIR_UUID_STRING_BUFLEN-1) {
vshDebug(ctl, 5, "%s: <%s> tring as network UUID\n",
cmd->def->name, optname);
network = virNetworkLookupByUUIDString(ctl->conn, n);
}
/* try it by NAME */
if (network==NULL && (flag & VSH_BYNAME)) {
vshDebug(ctl, 5, "%s: <%s> tring as network NAME\n",
cmd->def->name, optname);
network = virNetworkLookupByName(ctl->conn, n);
}
if (!network)
vshError(ctl, FALSE, _("failed to get network '%s'"), n);
return network;
}
/*
* Executes command(s) and returns return code from last command
*/
static int
vshCommandRun(vshControl * ctl, vshCmd * cmd)
{
int ret = TRUE;
while (cmd) {
struct timeval before, after;
if (ctl->timing)
GETTIMEOFDAY(&before);
ret = cmd->def->handler(ctl, cmd);
if (ctl->timing)
GETTIMEOFDAY(&after);
if (strcmp(cmd->def->name, "quit") == 0) /* hack ... */
return ret;
if (ctl->timing)
vshPrint(ctl, _("\n(Time: %.3f ms)\n\n"),
DIFF_MSEC(&after, &before));
else
vshPrintExtra(ctl, "\n");
cmd = cmd->next;
}
return ret;
}
/* ---------------
* Command string parsing
* ---------------
*/
#define VSH_TK_ERROR -1
#define VSH_TK_NONE 0
#define VSH_TK_OPTION 1
#define VSH_TK_DATA 2
#define VSH_TK_END 3
static int
vshCommandGetToken(vshControl * ctl, char *str, char **end, char **res)
{
int tk = VSH_TK_NONE;
int quote = FALSE;
int sz = 0;
char *p = str;
char *tkstr = NULL;
*end = NULL;
while (p && *p && (*p == ' ' || *p == '\t'))
p++;
if (p == NULL || *p == '\0')
return VSH_TK_END;
if (*p == ';') {
*end = ++p; /* = \0 or begi of next command */
return VSH_TK_END;
}
while (*p) {
/* end of token is blank space or ';' */
if ((quote == FALSE && (*p == ' ' || *p == '\t')) || *p == ';')
break;
/* end of option name could be '=' */
if (tk == VSH_TK_OPTION && *p == '=') {
p++; /* skip '=' */
break;
}
if (tk == VSH_TK_NONE) {
if (*p == '-' && *(p + 1) == '-' && *(p + 2)
&& isalnum((unsigned char) *(p + 2))) {
tk = VSH_TK_OPTION;
p += 2;
} else {
tk = VSH_TK_DATA;
if (*p == '"') {
quote = TRUE;
p++;
} else {
quote = FALSE;
}
}
tkstr = p; /* begin of token */
} else if (quote && *p == '"') {
quote = FALSE;
p++;
break; /* end of "..." token */
}
p++;
sz++;
}
if (quote) {
vshError(ctl, FALSE, _("missing \""));
return VSH_TK_ERROR;
}
if (tkstr == NULL || *tkstr == '\0' || p == NULL)
return VSH_TK_END;
if (sz == 0)
return VSH_TK_END;
*res = vshMalloc(ctl, sz + 1);
memcpy(*res, tkstr, sz);
*(*res + sz) = '\0';
*end = p;
return tk;
}
static int
vshCommandParse(vshControl * ctl, char *cmdstr)
{
char *str;
char *tkdata = NULL;
vshCmd *clast = NULL;
vshCmdOpt *first = NULL;
if (ctl->cmd) {
vshCommandFree(ctl->cmd);
ctl->cmd = NULL;
}
if (cmdstr == NULL || *cmdstr == '\0')
return FALSE;
str = cmdstr;
while (str && *str) {
vshCmdOpt *last = NULL;
vshCmdDef *cmd = NULL;
int tk = VSH_TK_NONE;
int data_ct = 0;
first = NULL;
while (tk != VSH_TK_END) {
char *end = NULL;
vshCmdOptDef *opt = NULL;
tkdata = NULL;
/* get token */
tk = vshCommandGetToken(ctl, str, &end, &tkdata);
str = end;
if (tk == VSH_TK_END)
break;
if (tk == VSH_TK_ERROR)
goto syntaxError;
if (cmd == NULL) {
/* first token must be command name */
if (tk != VSH_TK_DATA) {
vshError(ctl, FALSE,
_("unexpected token (command name): '%s'"),
tkdata);
goto syntaxError;
}
if (!(cmd = vshCmddefSearch(tkdata))) {
vshError(ctl, FALSE, _("unknown command: '%s'"), tkdata);
goto syntaxError; /* ... or ignore this command only? */
}
free(tkdata);
} else if (tk == VSH_TK_OPTION) {
if (!(opt = vshCmddefGetOption(cmd, tkdata))) {
vshError(ctl, FALSE,
_("command '%s' doesn't support option --%s"),
cmd->name, tkdata);
goto syntaxError;
}
free(tkdata); /* option name */
tkdata = NULL;
if (opt->type != VSH_OT_BOOL) {
/* option data */
tk = vshCommandGetToken(ctl, str, &end, &tkdata);
str = end;
if (tk == VSH_TK_ERROR)
goto syntaxError;
if (tk != VSH_TK_DATA) {
vshError(ctl, FALSE,
_("expected syntax: --%s <%s>"),
opt->name,
opt->type ==
VSH_OT_INT ? _("number") : _("string"));
goto syntaxError;
}
}
} else if (tk == VSH_TK_DATA) {
if (!(opt = vshCmddefGetData(cmd, data_ct++))) {
vshError(ctl, FALSE, _("unexpected data '%s'"), tkdata);
goto syntaxError;
}
}
if (opt) {
/* save option */
vshCmdOpt *arg = vshMalloc(ctl, sizeof(vshCmdOpt));
arg->def = opt;
arg->data = tkdata;
arg->next = NULL;
tkdata = NULL;
if (!first)
first = arg;
if (last)
last->next = arg;
last = arg;
vshDebug(ctl, 4, "%s: %s(%s): %s\n",
cmd->name,
opt->name,
tk == VSH_TK_OPTION ? _("OPTION") : _("DATA"),
arg->data);
}
if (!str)
break;
}
/* commad parsed -- allocate new struct for the command */
if (cmd) {
vshCmd *c = vshMalloc(ctl, sizeof(vshCmd));
c->opts = first;
c->def = cmd;
c->next = NULL;
if (!vshCommandCheckOpts(ctl, c)) {
if(c) free(c);
goto syntaxError;
}
if (!ctl->cmd)
ctl->cmd = c;
if (clast)
clast->next = c;
clast = c;
}
}
return TRUE;
syntaxError:
if (ctl->cmd)
vshCommandFree(ctl->cmd);
if (first)
vshCommandOptFree(first);
if (tkdata)
free(tkdata);
return FALSE;
}
/* ---------------
* Misc utils
* ---------------
*/
static const char *
vshDomainStateToString(int state)
{
switch (state) {
case VIR_DOMAIN_RUNNING:
return gettext_noop("running");
case VIR_DOMAIN_BLOCKED:
return gettext_noop("blocked");
case VIR_DOMAIN_PAUSED:
return gettext_noop("paused");
case VIR_DOMAIN_SHUTDOWN:
return gettext_noop("in shutdown");
case VIR_DOMAIN_SHUTOFF:
return gettext_noop("shut off");
case VIR_DOMAIN_CRASHED:
return gettext_noop("crashed");
default:
return gettext_noop("no state"); /* = dom0 state */
}
return NULL;
}
static const char *
vshDomainVcpuStateToString(int state)
{
switch (state) {
case VIR_VCPU_OFFLINE:
return gettext_noop("offline");
case VIR_VCPU_BLOCKED:
return gettext_noop("blocked");
case VIR_VCPU_RUNNING:
return gettext_noop("running");
default:
return gettext_noop("no state");
}
return NULL;
}
static int
vshConnectionUsability(vshControl * ctl, virConnectPtr conn, int showerror)
{
/* TODO: use something like virConnectionState() to
* check usability of the connection
*/
if (!conn) {
if (showerror)
vshError(ctl, FALSE, _("no valid connection"));
return FALSE;
}
return TRUE;
}
static void
vshDebug(vshControl * ctl, int level, const char *format, ...)
{
va_list ap;
va_start(ap, format);
vshOutputLogFile(ctl, VSH_ERR_DEBUG, format, ap);
va_end(ap);
if (level > ctl->debug)
return;
va_start(ap, format);
vfprintf(stdout, format, ap);
va_end(ap);
}
static void
vshPrintExtra(vshControl * ctl, const char *format, ...)
{
va_list ap;
if (ctl->quiet == TRUE)
return;
va_start(ap, format);
vfprintf(stdout, format, ap);
va_end(ap);
}
static void
vshError(vshControl * ctl, int doexit, const char *format, ...)
{
va_list ap;
va_start(ap, format);
vshOutputLogFile(ctl, VSH_ERR_ERROR, format, ap);
va_end(ap);
if (doexit)
fprintf(stderr, _("%s: error: "), progname);
else
fputs(_("error: "), stderr);
va_start(ap, format);
vfprintf(stderr, format, ap);
va_end(ap);
fputc('\n', stderr);
if (doexit) {
if (ctl)
vshDeinit(ctl);
exit(EXIT_FAILURE);
}
}
static void *
_vshMalloc(vshControl * ctl, size_t size, const char *filename, int line)
{
void *x;
if ((x = malloc(size)))
return x;
vshError(ctl, TRUE, _("%s: %d: failed to allocate %d bytes"),
filename, line, (int) size);
return NULL;
}
static void *
_vshCalloc(vshControl * ctl, size_t nmemb, size_t size, const char *filename, int line)
{
void *x;
if ((x = calloc(nmemb, size)))
return x;
vshError(ctl, TRUE, _("%s: %d: failed to allocate %d bytes"),
filename, line, (int) (size*nmemb));
return NULL;
}
static void *
_vshRealloc(vshControl * ctl, void *ptr, size_t size, const char *filename, int line)
{
void *x;
if ((x = realloc(ptr, size)))
return x;
free(ptr);
vshError(ctl, TRUE, _("%s: %d: failed to allocate %d bytes"),
filename, line, (int) size);
return NULL;
}
static char *
_vshStrdup(vshControl * ctl, const char *s, const char *filename, int line)
{
char *x;
if (s == NULL)
return(NULL);
if ((x = strdup(s)))
return x;
vshError(ctl, TRUE, _("%s: %d: failed to allocate %lu bytes"),
filename, line, (unsigned long)strlen(s));
return NULL;
}
/*
* Initialize connection.
*/
static int
vshInit(vshControl * ctl)
{
if (ctl->conn)
return FALSE;
ctl->uid = getuid();
vshOpenLogFile(ctl);
/* set up the library error handler */
virSetErrorFunc(NULL, virshErrorHandler);
/* Force a non-root, Xen connection to readonly */
if ((ctl->name == NULL ||
!strcasecmp(ctl->name, "xen")) && ctl->uid != 0)
ctl->readonly = 1;
if (!ctl->readonly)
ctl->conn = virConnectOpen(ctl->name);
else
ctl->conn = virConnectOpenReadOnly(ctl->name);
/* This is not necessarily fatal. All the individual commands check
* vshConnectionUsability, except ones which don't need a connection
* such as "help".
*/
if (!ctl->conn)
vshError(ctl, FALSE, _("failed to connect to the hypervisor"));
return TRUE;
}
/**
* vshOpenLogFile:
*
* Open log file.
*/
static void
vshOpenLogFile(vshControl *ctl)
{
struct stat st;
if (ctl->logfile == NULL)
return;
/* check log file */
if (stat(ctl->logfile, &st) == -1) {
switch (errno) {
case ENOENT:
break;
default:
vshError(ctl, TRUE, _("failed to get the log file information"));
break;
}
} else {
if (!S_ISREG(st.st_mode)) {
vshError(ctl, TRUE, _("the log path is not a file"));
}
}
/* log file open */
if ((ctl->log_fd = open(ctl->logfile, O_WRONLY | O_APPEND | O_CREAT | O_SYNC, FILE_MODE)) < 0) {
vshError(ctl, TRUE, _("failed to open the log file. check the log file path"));
}
}
/**
* vshOutputLogFile:
*
* Outputting an error to log file.
*/
static void
vshOutputLogFile(vshControl *ctl, int log_level, const char *msg_format, va_list ap)
{
char msg_buf[MSG_BUFFER];
const char *lvl = "";
struct timeval stTimeval;
struct tm *stTm;
if (ctl->log_fd == -1)
return;
/**
* create log format
*
* [YYYY.MM.DD HH:MM:SS SIGNATURE PID] LOG_LEVEL message
*/
gettimeofday(&stTimeval, NULL);
stTm = localtime(&stTimeval.tv_sec);
snprintf(msg_buf, sizeof(msg_buf),
"[%d.%02d.%02d %02d:%02d:%02d ",
(1900 + stTm->tm_year),
(1 + stTm->tm_mon),
(stTm->tm_mday),
(stTm->tm_hour),
(stTm->tm_min),
(stTm->tm_sec));
snprintf(msg_buf + strlen(msg_buf), sizeof(msg_buf) - strlen(msg_buf),
"%s] ", SIGN_NAME);
switch (log_level) {
case VSH_ERR_DEBUG:
lvl = LVL_DEBUG;
break;
case VSH_ERR_INFO:
lvl = LVL_INFO;
break;
case VSH_ERR_NOTICE:
lvl = LVL_INFO;
break;
case VSH_ERR_WARNING:
lvl = LVL_WARNING;
break;
case VSH_ERR_ERROR:
lvl = LVL_ERROR;
break;
default:
lvl = LVL_DEBUG;
break;
}
snprintf(msg_buf + strlen(msg_buf), sizeof(msg_buf) - strlen(msg_buf),
"%s ", lvl);
vsnprintf(msg_buf + strlen(msg_buf), sizeof(msg_buf) - strlen(msg_buf),
msg_format, ap);
if (msg_buf[strlen(msg_buf) - 1] != '\n')
snprintf(msg_buf + strlen(msg_buf), sizeof(msg_buf) - strlen(msg_buf), "\n");
/* write log */
if (write(ctl->log_fd, msg_buf, strlen(msg_buf)) == -1) {
vshCloseLogFile(ctl);
vshError(ctl, FALSE, _("failed to write the log file"));
}
}
/**
* vshCloseLogFile:
*
* Close log file.
*/
static void
vshCloseLogFile(vshControl *ctl)
{
/* log file close */
if (ctl->log_fd >= 0) {
close(ctl->log_fd);
ctl->log_fd = -1;
}
if (ctl->logfile) {
free(ctl->logfile);
ctl->logfile = NULL;
}
}
/* -----------------
* Readline stuff
* -----------------
*/
/*
* Generator function for command completion. STATE lets us
* know whether to start from scratch; without any state
* (i.e. STATE == 0), then we start at the top of the list.
*/
static char *
vshReadlineCommandGenerator(const char *text, int state)
{
static int list_index, len;
const char *name;
/* If this is a new word to complete, initialize now. This
* includes saving the length of TEXT for efficiency, and
* initializing the index variable to 0.
*/
if (!state) {
list_index = 0;
len = strlen(text);
}
/* Return the next name which partially matches from the
* command list.
*/
while ((name = commands[list_index].name)) {
list_index++;
if (strncmp(name, text, len) == 0)
return vshStrdup(NULL, name);
}
/* If no names matched, then return NULL. */
return NULL;
}
static char *
vshReadlineOptionsGenerator(const char *text, int state)
{
static int list_index, len;
static vshCmdDef *cmd = NULL;
const char *name;
if (!state) {
/* determine command name */
char *p;
char *cmdname;
if (!(p = strchr(rl_line_buffer, ' ')))
return NULL;
cmdname = vshCalloc(NULL, (p - rl_line_buffer) + 1, 1);
memcpy(cmdname, rl_line_buffer, p - rl_line_buffer);
cmd = vshCmddefSearch(cmdname);
list_index = 0;
len = strlen(text);
free(cmdname);
}
if (!cmd)
return NULL;
if (!cmd->opts)
return NULL;
while ((name = cmd->opts[list_index].name)) {
vshCmdOptDef *opt = &cmd->opts[list_index];
char *res;
list_index++;
if (opt->type == VSH_OT_DATA)
/* ignore non --option */
continue;
if (len > 2) {
if (strncmp(name, text + 2, len - 2))
continue;
}
res = vshMalloc(NULL, strlen(name) + 3);
snprintf(res, strlen(name) + 3, "--%s", name);
return res;
}
/* If no names matched, then return NULL. */
return NULL;
}
static char **
vshReadlineCompletion(const char *text, int start,
int end ATTRIBUTE_UNUSED)
{
char **matches = (char **) NULL;
if (start == 0)
/* command name generator */
matches = rl_completion_matches(text, vshReadlineCommandGenerator);
else
/* commands options */
matches = rl_completion_matches(text, vshReadlineOptionsGenerator);
return matches;
}
static void
vshReadlineInit(void)
{
/* Allow conditional parsing of the ~/.inputrc file. */
rl_readline_name = "virsh";
/* Tell the completer that we want a crack first. */
rl_attempted_completion_function = vshReadlineCompletion;
}
/*
* Deinitliaze virsh
*/
static int
vshDeinit(vshControl * ctl)
{
vshCloseLogFile(ctl);
if (ctl->conn) {
if (virConnectClose(ctl->conn) != 0) {
ctl->conn = NULL; /* prevent recursive call from vshError() */
vshError(ctl, TRUE,
"failed to disconnect from the hypervisor");
}
}
return TRUE;
}
/*
* Print usage
*/
static void
vshUsage(vshControl * ctl, const char *cmdname)
{
vshCmdDef *cmd;
/* global help */
if (!cmdname) {
fprintf(stdout, _("\n%s [options] [commands]\n\n"
" options:\n"
" -c | --connect <uri> hypervisor connection URI\n"
" -r | --readonly connect readonly\n"
" -d | --debug <num> debug level [0-5]\n"
" -h | --help this help\n"
" -q | --quiet quiet mode\n"
" -t | --timing print timing information\n"
" -l | --log <file> output logging to file\n"
" -v | --version program version\n\n"
" commands (non interactive mode):\n"), progname);
for (cmd = commands; cmd->name; cmd++)
fprintf(stdout,
" %-15s %s\n", cmd->name, N_(vshCmddefGetInfo(cmd,
"help")));
fprintf(stdout,
_("\n (specify help <command> for details about the command)\n\n"));
return;
}
if (!vshCmddefHelp(ctl, cmdname, TRUE))
exit(EXIT_FAILURE);
}
/*
* argv[]: virsh [options] [command]
*
*/
static int
vshParseArgv(vshControl * ctl, int argc, char **argv)
{
char *last = NULL;
int i, end = 0, help = 0;
int arg, idx = 0;
struct option opt[] = {
{"debug", 1, 0, 'd'},
{"help", 0, 0, 'h'},
{"quiet", 0, 0, 'q'},
{"timing", 0, 0, 't'},
{"version", 0, 0, 'v'},
{"connect", 1, 0, 'c'},
{"readonly", 0, 0, 'r'},
{"log", 1, 0, 'l'},
{0, 0, 0, 0}
};
if (argc < 2)
return TRUE;
/* look for begin of the command, for example:
* ./virsh --debug 5 -q command --cmdoption
* <--- ^ --->
* getopt() stuff | command suff
*/
for (i = 1; i < argc; i++) {
if (*argv[i] != '-') {
int valid = FALSE;
/* non "--option" argv, is it command? */
if (last) {
struct option *o;
int sz = strlen(last);
for (o = opt; o->name; o++) {
if (o->has_arg == 1){
if (sz == 2 && *(last + 1) == o->val)
/* valid virsh short option */
valid = TRUE;
else if (sz > 2 && strcmp(o->name, last + 2) == 0)
/* valid virsh long option */
valid = TRUE;
}
}
}
if (!valid) {
end = i;
break;
}
}
last = argv[i];
}
end = end ? : argc;
/* standard (non-command) options */
while ((arg = getopt_long(end, argv, "d:hqtc:vrl:", opt, &idx)) != -1) {
switch (arg) {
case 'd':
ctl->debug = atoi(optarg);
break;
case 'h':
help = 1;
break;
case 'q':
ctl->quiet = TRUE;
break;
case 't':
ctl->timing = TRUE;
break;
case 'c':
ctl->name = vshStrdup(ctl, optarg);
break;
case 'v':
fprintf(stdout, "%s\n", VERSION);
exit(EXIT_SUCCESS);
case 'r':
ctl->readonly = TRUE;
break;
case 'l':
ctl->logfile = vshStrdup(ctl, optarg);
break;
default:
vshError(ctl, TRUE,
_("unsupported option '-%c'. See --help."), arg);
break;
}
}
if (help) {
/* global or command specific help */
vshUsage(ctl, argc > end ? argv[end] : NULL);
exit(EXIT_SUCCESS);
}
if (argc > end) {
/* parse command */
char *cmdstr;
int sz = 0, ret;
ctl->imode = FALSE;
for (i = end; i < argc; i++)
sz += strlen(argv[i]) + 1; /* +1 is for blank space between items */
cmdstr = vshCalloc(ctl, sz + 1, 1);
for (i = end; i < argc; i++) {
strncat(cmdstr, argv[i], sz);
sz -= strlen(argv[i]);
strncat(cmdstr, " ", sz--);
}
vshDebug(ctl, 2, "command: \"%s\"\n", cmdstr);
ret = vshCommandParse(ctl, cmdstr);
free(cmdstr);
return ret;
}
return TRUE;
}
int
main(int argc, char **argv)
{
vshControl _ctl, *ctl = &_ctl;
char *defaultConn;
int ret = TRUE;
if (!setlocale(LC_ALL, "")) {
perror("setlocale");
return -1;
}
if (!bindtextdomain(GETTEXT_PACKAGE, LOCALEBASEDIR)) {
perror("bindtextdomain");
return -1;
}
if (!textdomain(GETTEXT_PACKAGE)) {
perror("textdomain");
return -1;
}
if (!(progname = strrchr(argv[0], '/')))
progname = argv[0];
else
progname++;
memset(ctl, 0, sizeof(vshControl));
ctl->imode = TRUE; /* default is interactive mode */
ctl->log_fd = -1; /* Initialize log file descriptor */
if ((defaultConn = getenv("VIRSH_DEFAULT_CONNECT_URI"))) {
ctl->name = strdup(defaultConn);
}
if (!vshParseArgv(ctl, argc, argv))
exit(EXIT_FAILURE);
if (!vshInit(ctl))
exit(EXIT_FAILURE);
if (!ctl->imode) {
ret = vshCommandRun(ctl, ctl->cmd);
} else {
/* interactive mode */
if (!ctl->quiet) {
vshPrint(ctl,
_("Welcome to %s, the virtualization interactive terminal.\n\n"),
progname);
vshPrint(ctl,
_("Type: 'help' for help with commands\n"
" 'quit' to quit\n\n"));
}
vshReadlineInit();
do {
ctl->cmdstr =
readline(ctl->uid == 0 ? VSH_PROMPT_RW : VSH_PROMPT_RO);
if (ctl->cmdstr == NULL)
break; /* EOF */
if (*ctl->cmdstr) {
add_history(ctl->cmdstr);
if (vshCommandParse(ctl, ctl->cmdstr))
vshCommandRun(ctl, ctl->cmd);
}
free(ctl->cmdstr);
ctl->cmdstr = NULL;
} while (ctl->imode);
if (ctl->cmdstr == NULL)
fputc('\n', stdout); /* line break after alone prompt */
}
vshDeinit(ctl);
exit(ret ? EXIT_SUCCESS : EXIT_FAILURE);
}
/*
* vim: set tabstop=4:
* vim: set shiftwidth=4:
* vim: set expandtab:
*/
/*
* Local variables:
* indent-tabs-mode: nil
* c-indent-level: 4
* c-basic-offset: 4
* tab-width: 4
* End:
*/
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