abh1sar commented on code in PR #12991: URL: https://github.com/apache/cloudstack/pull/12991#discussion_r3180825840
########## plugins/hypervisors/kvm/src/main/java/com/cloud/hypervisor/kvm/resource/wrapper/LibvirtDeleteVmCheckpointCommandWrapper.java: ########## @@ -0,0 +1,80 @@ +//Licensed to the Apache Software Foundation (ASF) under one +//or more contributor license agreements. See the NOTICE file +//distributed with this work for additional information +//regarding copyright ownership. The ASF licenses this file +//to you under the Apache License, Version 2.0 (the +//"License"); you may not use this file except in compliance +//the License. You may obtain a copy of the License at +// +//http://www.apache.org/licenses/LICENSE-2.0 +// +//Unless required by applicable law or agreed to in writing, +//software distributed under the License is distributed on an +//"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY +//KIND, either express or implied. See the License for the +//specific language governing permissions and limitations +//under the License. + +package com.cloud.hypervisor.kvm.resource.wrapper; + +import java.util.Map; + +import org.apache.cloudstack.backup.DeleteVmCheckpointCommand; + +import com.cloud.agent.api.Answer; +import com.cloud.hypervisor.kvm.resource.LibvirtComputingResource; +import com.cloud.resource.CommandWrapper; +import com.cloud.resource.ResourceWrapper; +import com.cloud.utils.script.Script; + +@ResourceWrapper(handles = DeleteVmCheckpointCommand.class) +public class LibvirtDeleteVmCheckpointCommandWrapper extends CommandWrapper<DeleteVmCheckpointCommand, Answer, LibvirtComputingResource> { + + @Override + public Answer execute(DeleteVmCheckpointCommand cmd, LibvirtComputingResource resource) { + if (cmd.isStoppedVM()) { + return deleteBitmapsOnDisks(cmd); + } + return deleteDomainCheckpoint(cmd); + } + + private Answer deleteDomainCheckpoint(DeleteVmCheckpointCommand cmd) { + String vmName = cmd.getVmName(); + String checkpointId = cmd.getCheckpointId(); + String virshCmd = String.format("virsh checkpoint-delete %s %s", vmName, checkpointId); + Script script = new Script("/bin/bash"); + script.add("-c"); + script.add(virshCmd); + String result = script.execute(); + if (result != null) { + return new Answer(cmd, false, "Failed to delete checkpoint: " + result); + } + return new Answer(cmd, true, "Checkpoint deleted"); + } + + /** + * Stopped VM: persistent bitmaps on disk images ({@code qemu-img bitmap --remove}), matching {@link LibvirtStartBackupCommandWrapper} bitmap --add. + */ + private Answer deleteBitmapsOnDisks(DeleteVmCheckpointCommand cmd) { + String checkpointId = cmd.getCheckpointId(); + Map<String, String> diskPathUuidMap = cmd.getDiskPathUuidMap(); + if (diskPathUuidMap == null || diskPathUuidMap.isEmpty()) { + return new Answer(cmd, false, "No disks provided for bitmap removal"); + } + for (Map.Entry<String, String> entry : diskPathUuidMap.entrySet()) { + String diskPath = entry.getKey(); + Script script = new Script("sudo"); Review Comment: `qemu-img bitmap` command will work for any user that has write access to the image file. I'll remove the `sudo` part -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: [email protected] For queries about this service, please contact Infrastructure at: [email protected]
