| // 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 |
| // with 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.xenserver.resource.wrapper.xenbase; |
| |
| import com.cloud.agent.api.Answer; |
| import com.cloud.agent.api.PatchSystemVmAnswer; |
| import com.cloud.agent.api.PatchSystemVmCommand; |
| import com.cloud.agent.api.routing.NetworkElementCommand; |
| import com.cloud.agent.resource.virtualnetwork.VRScripts; |
| import com.cloud.hypervisor.xenserver.resource.CitrixResourceBase; |
| import com.cloud.resource.CommandWrapper; |
| import com.cloud.resource.ResourceWrapper; |
| import com.cloud.utils.ExecutionResult; |
| import com.cloud.utils.exception.CloudRuntimeException; |
| import com.cloud.utils.validation.ChecksumUtil; |
| import com.xensource.xenapi.Connection; |
| import org.apache.commons.lang3.StringUtils; |
| import org.apache.log4j.Logger; |
| |
| import java.io.File; |
| |
| @ResourceWrapper(handles = PatchSystemVmCommand.class) |
| public class CitrixPatchSystemVmCommandWrapper extends CommandWrapper<PatchSystemVmCommand, Answer, CitrixResourceBase> { |
| private static final Logger s_logger = Logger.getLogger(CitrixPatchSystemVmCommandWrapper.class); |
| private static int sshPort = CitrixResourceBase.DEFAULTDOMRSSHPORT; |
| private static File pemFile = new File(CitrixResourceBase.SSHPRVKEYPATH); |
| |
| @Override |
| public Answer execute(PatchSystemVmCommand command, CitrixResourceBase serverResource) { |
| final String controlIp = command.getAccessDetail(NetworkElementCommand.ROUTER_IP); |
| final String sysVMName = command.getAccessDetail(NetworkElementCommand.ROUTER_NAME); |
| final Connection conn = serverResource.getConnection(); |
| |
| ExecutionResult result; |
| try { |
| result = getSystemVmVersionAndChecksum(serverResource, controlIp); |
| } catch (CloudRuntimeException e) { |
| return new PatchSystemVmAnswer(command, e.getMessage()); |
| } |
| |
| final String[] lines = result.getDetails().split("&"); |
| // TODO: do we fail, or patch anyway?? |
| if (lines.length != 2) { |
| return new PatchSystemVmAnswer(command, result.getDetails()); |
| } |
| |
| String scriptChecksum = lines[1].trim(); |
| String checksum = ChecksumUtil.calculateCurrentChecksum(sysVMName, "vms/cloud-scripts.tgz").trim(); |
| if (!StringUtils.isEmpty(checksum) && checksum.equals(scriptChecksum) && !command.isForced()) { |
| String msg = String.format("No change in the scripts checksum, not patching systemVM %s", sysVMName); |
| s_logger.info(msg); |
| return new PatchSystemVmAnswer(command, msg, lines[0], lines[1]); |
| } |
| |
| String patchResult = null; |
| try { |
| serverResource.copyPatchFilesToVR(controlIp, VRScripts.CONFIG_CACHE_LOCATION); |
| patchResult = serverResource.callHostPlugin(conn, "vmops", "runPatchScriptInDomr", "domrip", controlIp); |
| } catch (Exception e) { |
| return new PatchSystemVmAnswer(command, e.getMessage()); |
| } |
| |
| if (patchResult.startsWith("succ#")) { |
| String scriptVersion = lines[1]; |
| String res = patchResult.replace("\n", " "); |
| String[] output = res.split(":"); |
| if (output.length != 2) { |
| s_logger.warn("Failed to get the latest script version"); |
| } else { |
| scriptVersion = output[1].split(" ")[0]; |
| } |
| |
| return new PatchSystemVmAnswer(command, String.format("Successfully patched systemVM %s ", sysVMName), lines[0], scriptVersion); |
| } |
| return new PatchSystemVmAnswer(command, patchResult.substring(5)); |
| |
| } |
| |
| private ExecutionResult getSystemVmVersionAndChecksum(CitrixResourceBase serverResource, String controlIp) { |
| ExecutionResult result; |
| try { |
| result = serverResource.executeInVR(controlIp, VRScripts.VERSION, null); |
| if (!result.isSuccess()) { |
| String errMsg = String.format("GetSystemVMVersionCmd on %s failed, message %s", controlIp, result.getDetails()); |
| s_logger.error(errMsg); |
| throw new CloudRuntimeException(errMsg); |
| } |
| } catch (final Exception e) { |
| final String msg = "GetSystemVMVersionCmd failed due to " + e; |
| s_logger.error(msg, e); |
| throw new CloudRuntimeException(msg, e); |
| } |
| return result; |
| } |
| |
| |
| } |