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OpenVZ: implement suspend/resume driver APIs

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* src/openvz/openvz_driver.c: implements openvzDomainSuspend and
  openvzDomainResume
This commit is contained in:
Jean-Baptiste Rouault 2010-08-04 14:00:07 +02:00 committed by Daniel Veillard
parent 6328dfcb67
commit 9cbc3c8e06
1 changed files with 82 additions and 2 deletions
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84
src/openvz/openvz_driver.c
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@ -503,6 +503,86 @@ static void openvzSetProgramSentinal(const char **prog, const char *key)
}
}
static int openvzDomainSuspend(virDomainPtr dom) {
struct openvz_driver *driver = dom->conn->privateData;
virDomainObjPtr vm;
const char *prog[] = {VZCTL, "--quiet", "chkpnt", PROGRAM_SENTINAL, "--suspend", NULL};
int ret = -1;
openvzDriverLock(driver);
vm = virDomainFindByUUID(&driver->domains, dom->uuid);
openvzDriverUnlock(driver);
if (!vm) {
openvzError(VIR_ERR_INVALID_DOMAIN, "%s",
_("no domain with matching uuid"));
goto cleanup;
}
if (!virDomainObjIsActive(vm)) {
openvzError(VIR_ERR_OPERATION_INVALID, "%s",
_("Domain is not running"));
goto cleanup;
}
if (vm->state != VIR_DOMAIN_PAUSED) {
openvzSetProgramSentinal(prog, vm->def->name);
if (virRun(prog, NULL) < 0) {
openvzError(VIR_ERR_OPERATION_FAILED, "%s",
_("Suspend operation failed"));
goto cleanup;
}
vm->state = VIR_DOMAIN_PAUSED;
}
ret = 0;
cleanup:
if (vm)
virDomainObjUnlock(vm);
return ret;
}
static int openvzDomainResume(virDomainPtr dom) {
struct openvz_driver *driver = dom->conn->privateData;
virDomainObjPtr vm;
const char *prog[] = {VZCTL, "--quiet", "chkpnt", PROGRAM_SENTINAL, "--resume", NULL};
int ret = -1;
openvzDriverLock(driver);
vm = virDomainFindByUUID(&driver->domains, dom->uuid);
openvzDriverUnlock(driver);
if (!vm) {
openvzError(VIR_ERR_INVALID_DOMAIN, "%s",
_("no domain with matching uuid"));
goto cleanup;
}
if (!virDomainObjIsActive(vm)) {
openvzError(VIR_ERR_OPERATION_INVALID, "%s",
_("Domain is not running"));
goto cleanup;
}
if (vm->state == VIR_DOMAIN_PAUSED) {
openvzSetProgramSentinal(prog, vm->def->name);
if (virRun(prog, NULL) < 0) {
openvzError(VIR_ERR_OPERATION_FAILED, "%s",
_("Resume operation failed"));
goto cleanup;
}
vm->state = VIR_DOMAIN_RUNNING;
}
ret = 0;
cleanup:
if (vm)
virDomainObjUnlock(vm);
return ret;
}
static int openvzDomainShutdown(virDomainPtr dom) {
struct openvz_driver *driver = dom->conn->privateData;
virDomainObjPtr vm;
@ -1492,8 +1572,8 @@ static virDriver openvzDriver = {
openvzDomainLookupByID, /* domainLookupByID */
openvzDomainLookupByUUID, /* domainLookupByUUID */
openvzDomainLookupByName, /* domainLookupByName */
NULL, /* domainSuspend */
NULL, /* domainResume */
openvzDomainSuspend, /* domainSuspend */
openvzDomainResume, /* domainResume */
openvzDomainShutdown, /* domainShutdown */
openvzDomainReboot, /* domainReboot */
openvzDomainShutdown, /* domainDestroy */