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libxl: destroy domain in migration finish phase on failure

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This patch contains three domain cleanup improvements in the migration
finish phase, ensuring a domain is properly disposed when a failure is
detected or the migration is cancelled.

The check for virDomainObjIsActive is moved to libxlDomainMigrationFinish,
where cleanup can occur if migration failed and the domain is inactive.

The 'cleanup' label was missplaced in libxlDomainMigrationFinish, causing
a migrated domain to remain in the event of an error or cancelled migration.

In cleanup, the domain was not removed from the driver's list of domains.

Signed-off-by: Jim Fehlig <jfehlig@suse.com>
This commit is contained in:
Jim Fehlig 2014-11-12 17:52:02 -07:00
parent 6038682564
commit 42874fa45f
2 changed files with 16 additions and 13 deletions
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9
src/libxl/libxl_driver.c
View File

@ -4686,17 +4686,8 @@ libxlDomainMigrateFinish3Params(virConnectPtr dconn,
return NULL;
}
if (!virDomainObjIsActive(vm)) {
/* Migration failed if domain is inactive */
virReportError(VIR_ERR_OPERATION_FAILED,
"%s", _("Migration failed. Domain is not running "
"on destination host"));
goto endjob;
}
ret = libxlDomainMigrationFinish(dconn, vm, flags, cancelled);
endjob:
if (!libxlDomainObjEndJob(driver, vm))
vm = NULL;

20
src/libxl/libxl_migration.c
View File

@ -537,6 +537,16 @@ libxlDomainMigrationFinish(virConnectPtr dconn,
if (cancelled)
goto cleanup;
/* Check if domain is alive */
if (!virDomainObjIsActive(vm)) {
/* Migration failed if domain is inactive */
virReportError(VIR_ERR_OPERATION_FAILED,
"%s", _("Migration failed. Domain is not running "
"on destination host"));
goto cleanup;
}
/* Unpause if requested */
if (!(flags & VIR_MIGRATE_PAUSED)) {
if (libxl_domain_unpause(priv->ctx, vm->def->id) != 0) {
virReportError(VIR_ERR_OPERATION_FAILED, "%s",
@ -556,24 +566,26 @@ libxlDomainMigrationFinish(virConnectPtr dconn,
VIR_DOMAIN_EVENT_SUSPENDED_PAUSED);
}
if (virDomainSaveStatus(driver->xmlopt, cfg->stateDir, vm) < 0)
goto cleanup;
if (event) {
libxlDomainEventQueue(driver, event);
event = NULL;
}
if (virDomainSaveStatus(driver->xmlopt, cfg->stateDir, vm) < 0)
goto cleanup;
dom = virGetDomain(dconn, vm->def->name, vm->def->uuid);
cleanup:
if (dom == NULL) {
libxl_domain_destroy(priv->ctx, vm->def->id, NULL);
libxlDomainCleanup(driver, vm, VIR_DOMAIN_SHUTOFF_FAILED);
event = virDomainEventLifecycleNewFromObj(vm, VIR_DOMAIN_EVENT_STOPPED,
VIR_DOMAIN_EVENT_STOPPED_FAILED);
if (!vm->persistent)
virDomainObjListRemove(driver->domains, vm);
}
cleanup:
if (event)
libxlDomainEventQueue(driver, event);
virObjectUnref(cfg);