} catch (IOException e) {
s_logger.debug("An I/O error occured during a snapshot operation on " + snapshotDestPath);
return new BackupSnapshotAnswer(cmd, false, e.toString(), null, true);
}
} else {
Script command = new Script(_manageSnapshotPath, _cmdsTimeout,
s_logger);
command.add("-b", snapshotDisk.getPath());
command.add("-n", snapshotName);
command.add("-p", snapshotDestPath);
command.add("-t", snapshotName);
String result = command.execute();
if (result != null) {
s_logger.debug("Failed to backup snaptshot: " + result);
return new BackupSnapshotAnswer(cmd, false, result, null, true);
}
}
/* Delete the snapshot on primary */
DomainInfo.DomainState state = null;
Domain vm = null;
if (vmName != null) {
try {
vm = getDomain(conn, cmd.getVmName());
state = vm.getInfo().state;
} catch (LibvirtException e) {
s_logger.trace("Ignoring libvirt error.", e);
}
}
KVMStoragePool primaryStorage = _storagePoolMgr.getStoragePool(
cmd.getPool().getType(),
cmd.getPool().getUuid());
if (state == DomainInfo.DomainState.VIR_DOMAIN_RUNNING
&& !primaryStorage.isExternalSnapshot()) {
String vmUuid = vm.getUUIDString();
Object[] args = new Object[] { snapshotName, vmUuid };
String snapshot = SnapshotXML.format(args);
s_logger.debug(snapshot);
DomainSnapshot snap = vm.snapshotLookupByName(snapshotName);
snap.delete(0);
/*
* libvirt on RHEL6 doesn't handle resume event emitted from
* qemu
*/
vm = getDomain(conn, cmd.getVmName());
state = vm.getInfo().state;
if (state == DomainInfo.DomainState.VIR_DOMAIN_PAUSED) {
vm.resume();
}
} else {
Script command = new Script(_manageSnapshotPath, _cmdsTimeout,
s_logger);
command.add("-d", snapshotDisk.getPath());
command.add("-n", snapshotName);
String result = command.execute();
if (result != null) {
s_logger.debug("Failed to backup snapshot: " + result);
return new BackupSnapshotAnswer(cmd, false,
"Failed to backup snapshot: " + result, null, true);
}