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caps: Use DomainDataLookup to replace GuestDefault*

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This revealed that GuestDefaultEmulator was a bit buggy, capable
of returning an emulator that didn't match the passed domain type. Fix
up the test suite input to continue to pass.
This commit is contained in:
Cole Robinson 2015-04-17 20:15:25 -04:00
parent 3f9868a57e
commit 747761a79a
11 changed files with 43 additions and 195 deletions
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122
src/conf/capabilities.c
View File

@ -729,128 +729,6 @@ virCapabilitiesDomainDataLookup(virCapsPtr caps,
return ret;
}
/**
* virCapabilitiesDefaultGuestArch:
* @caps: capabilities to query
* @ostype: guest operating system type, of enum VIR_DOMAIN_OSTYPE
* @domain: domain type to search for, of enum VIR_DOMAIN_VIRT
*
* Returns the first architecture able to run the
* requested operating system type
*/
extern virArch
virCapabilitiesDefaultGuestArch(virCapsPtr caps,
int ostype,
int domain)
{
size_t i, j;
/* First try to find one matching host arch */
for (i = 0; i < caps->nguests; i++) {
if (caps->guests[i]->ostype == ostype) {
for (j = 0; j < caps->guests[i]->arch.ndomains; j++) {
if (caps->guests[i]->arch.domains[j]->type == domain &&
caps->guests[i]->arch.id == caps->host.arch)
return caps->guests[i]->arch.id;
}
}
}
/* Otherwise find the first match */
for (i = 0; i < caps->nguests; i++) {
if (caps->guests[i]->ostype == ostype) {
for (j = 0; j < caps->guests[i]->arch.ndomains; j++) {
if (caps->guests[i]->arch.domains[j]->type == domain)
return caps->guests[i]->arch.id;
}
}
}
return VIR_ARCH_NONE;
}
/**
* virCapabilitiesDefaultGuestMachine:
* @caps: capabilities to query
* @ostype: guest operating system type, of enum VIR_DOMAIN_OSTYPE
* @arch: architecture to search for
* @domain: domain type to search for, of enum VIR_DOMAIN_VIRT
*
* Returns the first machine variant associated with
* the requested operating system type, architecture
* and domain type
*/
extern const char *
virCapabilitiesDefaultGuestMachine(virCapsPtr caps,
int ostype,
virArch arch,
int domain)
{
size_t i;
for (i = 0; i < caps->nguests; i++) {
virCapsGuestPtr guest = caps->guests[i];
size_t j;
if (guest->ostype != ostype ||
guest->arch.id != arch)
continue;
for (j = 0; j < guest->arch.ndomains; j++) {
virCapsGuestDomainPtr dom = guest->arch.domains[j];
if (dom->type != domain)
continue;
if (!dom->info.nmachines)
break;
return dom->info.machines[0]->name;
}
if (guest->arch.defaultInfo.nmachines)
return caps->guests[i]->arch.defaultInfo.machines[0]->name;
}
return NULL;
}
/**
* virCapabilitiesDefaultGuestEmulator:
* @caps: capabilities to query
* @ostype: guest operating system type, of enum VIR_DOMAIN_OSTYPE
* @arch: architecture to search for
* @domain: domain type to search for, of enum VIR_DOMAIN_VIRT
*
* Returns the first emulator path associated with
* the requested operating system type, architecture
* and domain type
*/
extern const char *
virCapabilitiesDefaultGuestEmulator(virCapsPtr caps,
int ostype,
virArch arch,
int domain)
{
size_t i, j;
for (i = 0; i < caps->nguests; i++) {
char *emulator;
if (caps->guests[i]->ostype == ostype &&
caps->guests[i]->arch.id == arch) {
emulator = caps->guests[i]->arch.defaultInfo.emulator;
for (j = 0; j < caps->guests[i]->arch.ndomains; j++) {
if (caps->guests[i]->arch.domains[j]->type == domain) {
if (caps->guests[i]->arch.domains[j]->info.emulator)
emulator = caps->guests[i]->arch.domains[j]->info.emulator;
}
}
return emulator;
}
}
return NULL;
}
static int
virCapabilitiesFormatNUMATopology(virBufferPtr buf,
size_t ncells,

15
src/conf/capabilities.h
View File

@ -284,21 +284,6 @@ void
virCapabilitiesClearHostNUMACellCPUTopology(virCapsHostNUMACellCPUPtr cpu,
size_t ncpus);
extern virArch
virCapabilitiesDefaultGuestArch(virCapsPtr caps,
int ostype,
int domain);
extern const char *
virCapabilitiesDefaultGuestMachine(virCapsPtr caps,
int ostype,
virArch arch,
int domain);
extern const char *
virCapabilitiesDefaultGuestEmulator(virCapsPtr caps,
int ostype,
virArch arch,
int domain);
extern char *
virCapabilitiesFormatXML(virCapsPtr caps);

21
src/conf/domain_conf.c
View File

@ -12959,25 +12959,18 @@ char *
virDomainDefGetDefaultEmulator(virDomainDefPtr def,
virCapsPtr caps)
{
const char *emulator;
char *retemu;
virCapsDomainDataPtr capsdata;
emulator = virCapabilitiesDefaultGuestEmulator(caps,
def->os.type,
def->os.arch,
def->virtType);
if (!(capsdata = virCapabilitiesDomainDataLookup(caps, def->os.type,
def->os.arch, def->virtType, NULL, NULL)))
return NULL;
if (!emulator) {
virReportError(VIR_ERR_INTERNAL_ERROR,
_("no emulator for domain %s os type %s "
"on architecture %s"),
virDomainVirtTypeToString(def->virtType),
virDomainOSTypeToString(def->os.type),
virArchToString(def->os.arch));
if (VIR_STRDUP(retemu, capsdata->emulator) < 0) {
VIR_FREE(capsdata);
return NULL;
}
ignore_value(VIR_STRDUP(retemu, emulator));
VIR_FREE(capsdata);
return retemu;
}

3
src/libvirt_private.syms
View File

@ -51,9 +51,6 @@ virCapabilitiesAddHostMigrateTransport;
virCapabilitiesAddHostNUMACell;
virCapabilitiesAllocMachines;
virCapabilitiesClearHostNUMACellCPUTopology;
virCapabilitiesDefaultGuestArch;
virCapabilitiesDefaultGuestEmulator;
virCapabilitiesDefaultGuestMachine;
virCapabilitiesDomainDataLookup;
virCapabilitiesFormatXML;
virCapabilitiesFreeMachines;

13
src/qemu/qemu_capabilities.c
View File

@ -1888,25 +1888,26 @@ int virQEMUCapsGetDefaultVersion(virCapsPtr caps,
virQEMUCapsCachePtr capsCache,
unsigned int *version)
{
const char *binary;
virQEMUCapsPtr qemucaps;
virArch hostarch;
virCapsDomainDataPtr capsdata;
if (*version > 0)
return 0;
hostarch = virArchFromHost();
if ((binary = virCapabilitiesDefaultGuestEmulator(caps,
VIR_DOMAIN_OSTYPE_HVM,
hostarch,
VIR_DOMAIN_VIRT_QEMU)) == NULL) {
if (!(capsdata = virCapabilitiesDomainDataLookup(caps,
VIR_DOMAIN_OSTYPE_HVM, hostarch, VIR_DOMAIN_VIRT_QEMU,
NULL, NULL))) {
virReportError(VIR_ERR_INTERNAL_ERROR,
_("Cannot find suitable emulator for %s"),
virArchToString(hostarch));
return -1;
}
if (!(qemucaps = virQEMUCapsCacheLookup(capsCache, binary)))
qemucaps = virQEMUCapsCacheLookup(capsCache, capsdata->emulator);
VIR_FREE(capsdata);
if (!qemucaps)
return -1;
*version = virQEMUCapsGetVersion(qemucaps);

19
src/qemu/qemu_command.c
View File

@ -13145,14 +13145,17 @@ qemuParseCommandLine(virCapsPtr qemuCaps,
}
if (!def->os.machine) {
const char *defaultMachine =
virCapabilitiesDefaultGuestMachine(qemuCaps,
def->os.type,
def->os.arch,
def->virtType);
if (defaultMachine != NULL)
if (VIR_STRDUP(def->os.machine, defaultMachine) < 0)
goto error;
virCapsDomainDataPtr capsdata;
if (!(capsdata = virCapabilitiesDomainDataLookup(qemuCaps, def->os.type,
def->os.arch, def->virtType, NULL, NULL)))
goto error;
if (VIR_STRDUP(def->os.machine, capsdata->machinetype) < 0) {
VIR_FREE(capsdata);
goto error;
}
VIR_FREE(capsdata);
}
if (!nographics && def->ngraphics == 0) {

37
src/xenconfig/xen_common.c
View File

@ -983,15 +983,15 @@ xenParseEmulatedDevices(virConfPtr conf, virDomainDefPtr def)
static int
xenParseGeneralMeta(virConfPtr conf, virDomainDefPtr def, virCapsPtr caps)
{
const char *defaultMachine;
virCapsDomainDataPtr capsdata = NULL;
const char *str;
int hvm = 0;
int hvm = 0, ret = -1;
if (xenConfigCopyString(conf, "name", &def->name) < 0)
return -1;
goto out;
if (xenConfigGetUUID(conf, "uuid", def->uuid) < 0)
return -1;
goto out;
if ((xenConfigGetString(conf, "builder", &str, "linux") == 0) &&
STREQ(str, "hvm"))
@ -999,27 +999,18 @@ xenParseGeneralMeta(virConfPtr conf, virDomainDefPtr def, virCapsPtr caps)
def->os.type = (hvm ? VIR_DOMAIN_OSTYPE_HVM : VIR_DOMAIN_OSTYPE_XEN);
def->os.arch =
virCapabilitiesDefaultGuestArch(caps,
def->os.type,
def->virtType);
if (!def->os.arch) {
virReportError(VIR_ERR_INTERNAL_ERROR,
_("no supported architecture for os type '%s'"),
virDomainOSTypeToString(def->os.type));
return -1;
}
if (!(capsdata = virCapabilitiesDomainDataLookup(caps, def->os.type,
VIR_ARCH_NONE, def->virtType, NULL, NULL)))
goto out;
defaultMachine = virCapabilitiesDefaultGuestMachine(caps,
def->os.type,
def->os.arch,
def->virtType);
if (defaultMachine != NULL) {
if (VIR_STRDUP(def->os.machine, defaultMachine) < 0)
return -1;
}
def->os.arch = capsdata->arch;
if (VIR_STRDUP(def->os.machine, capsdata->machinetype) < 0)
goto out;
return 0;
ret = 0;
out:
VIR_FREE(capsdata);
return ret;
}

2
tests/securityselinuxlabeldata/chardev.xml
View File

@ -3,7 +3,7 @@
<uuid>c7b3edbd-edaf-9455-926a-d65c16db1800</uuid>
<memory unit='KiB'>219200</memory>
<os>
<type arch='i686' machine='pc-1.0'>hvm</type>
<type arch='x86_64' machine='pc-1.0'>hvm</type>
<boot dev='cdrom'/>
</os>
<devices>

2
tests/securityselinuxlabeldata/disks.xml
View File

@ -3,7 +3,7 @@
<uuid>c7b3edbd-edaf-9455-926a-d65c16db1800</uuid>
<memory unit='KiB'>219200</memory>
<os>
<type arch='i686' machine='pc-1.0'>hvm</type>
<type arch='x86_64' machine='pc-1.0'>hvm</type>
<boot dev='cdrom'/>
</os>
<devices>

2
tests/securityselinuxlabeldata/kernel.xml
View File

@ -3,7 +3,7 @@
<uuid>c7b3edbd-edaf-9455-926a-d65c16db1800</uuid>
<memory unit='KiB'>219200</memory>
<os>
<type arch='i686' machine='pc-1.0'>hvm</type>
<type arch='x86_64' machine='pc-1.0'>hvm</type>
<kernel>/vmlinuz.raw</kernel>
<initrd>/initrd.raw</initrd>
</os>

2
tests/securityselinuxlabeldata/nfs.xml
View File

@ -3,7 +3,7 @@
<uuid>c7b3edbd-edaf-9455-926a-d65c16db1800</uuid>
<memory unit='KiB'>219200</memory>
<os>
<type arch='i686' machine='pc-1.0'>hvm</type>
<type arch='x86_64' machine='pc-1.0'>hvm</type>
<boot dev='cdrom'/>
</os>
<devices>