| // 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.vm; |
| |
| import java.util.Map; |
| |
| import javax.inject.Inject; |
| |
| import org.apache.log4j.Logger; |
| |
| import org.apache.cloudstack.context.CallContext; |
| import org.apache.cloudstack.framework.jobs.AsyncJob; |
| import org.apache.cloudstack.framework.jobs.AsyncJobDispatcher; |
| import org.apache.cloudstack.framework.jobs.AsyncJobManager; |
| import org.apache.cloudstack.jobs.JobInfo; |
| |
| import com.cloud.exception.InvalidParameterValueException; |
| import com.cloud.utils.Pair; |
| import com.cloud.utils.component.AdapterBase; |
| import com.cloud.vm.dao.VMInstanceDao; |
| |
| public class VmWorkJobDispatcher extends AdapterBase implements AsyncJobDispatcher { |
| private static final Logger s_logger = Logger.getLogger(VmWorkJobDispatcher.class); |
| |
| @Inject private VirtualMachineManagerImpl _vmMgr; |
| @Inject |
| private AsyncJobManager _asyncJobMgr; |
| @Inject private VMInstanceDao _instanceDao; |
| |
| private Map<String, VmWorkJobHandler> _handlers; |
| |
| public VmWorkJobDispatcher() { |
| } |
| |
| public Map<String, VmWorkJobHandler> getHandlers() { |
| return _handlers; |
| } |
| |
| public void setHandlers(Map<String, VmWorkJobHandler> handlers) { |
| _handlers = handlers; |
| } |
| |
| @Override |
| public void runJob(AsyncJob job) { |
| VmWork work = null; |
| try { |
| String cmd = job.getCmd(); |
| assert (cmd != null); |
| |
| Class<?> workClz = null; |
| try { |
| workClz = Class.forName(job.getCmd()); |
| } catch (ClassNotFoundException e) { |
| s_logger.error("VM work class " + cmd + " is not found" + ", job origin: " + job.getRelated(), e); |
| _asyncJobMgr.completeAsyncJob(job.getId(), JobInfo.Status.FAILED, 0, e.getMessage()); |
| return; |
| } |
| |
| work = VmWorkSerializer.deserialize(workClz, job.getCmdInfo()); |
| if(work == null) { |
| s_logger.error("Unable to deserialize VM work " + job.getCmd() + ", job info: " + job.getCmdInfo() + ", job origin: " + job.getRelated()); |
| _asyncJobMgr.completeAsyncJob(job.getId(), JobInfo.Status.FAILED, 0, "Unable to deserialize VM work"); |
| return; |
| } |
| |
| if (s_logger.isDebugEnabled()) |
| s_logger.debug("Run VM work job: " + cmd + " for VM " + work.getVmId() + ", job origin: " + job.getRelated()); |
| try { |
| if (_handlers == null || _handlers.isEmpty()) { |
| s_logger.error("Invalid startup configuration, no work job handler is found. cmd: " + job.getCmd() + ", job info: " + job.getCmdInfo() |
| + ", job origin: " + job.getRelated()); |
| _asyncJobMgr.completeAsyncJob(job.getId(), JobInfo.Status.FAILED, 0, "Invalid startup configuration. no job handler is found"); |
| return; |
| } |
| |
| VmWorkJobHandler handler = _handlers.get(work.getHandlerName()); |
| |
| if (handler == null) { |
| s_logger.error("Unable to find work job handler. handler name: " + work.getHandlerName() + ", job cmd: " + job.getCmd() |
| + ", job info: " + job.getCmdInfo() + ", job origin: " + job.getRelated()); |
| _asyncJobMgr.completeAsyncJob(job.getId(), JobInfo.Status.FAILED, 0, "Unable to find work job handler"); |
| return; |
| } |
| |
| CallContext.register(work.getUserId(), work.getAccountId()); |
| |
| try { |
| Pair<JobInfo.Status, String> result = handler.handleVmWorkJob(work); |
| _asyncJobMgr.completeAsyncJob(job.getId(), result.first(), 0, result.second()); |
| } finally { |
| CallContext.unregister(); |
| } |
| } finally { |
| if (s_logger.isDebugEnabled()) |
| s_logger.debug("Done with run of VM work job: " + cmd + " for VM " + work.getVmId() + ", job origin: " + job.getRelated()); |
| } |
| } catch(InvalidParameterValueException e) { |
| s_logger.error("Unable to complete " + job + ", job origin:" + job.getRelated()); |
| _asyncJobMgr.completeAsyncJob(job.getId(), JobInfo.Status.FAILED, 0, _asyncJobMgr.marshallResultObject(e)); |
| } catch(Throwable e) { |
| s_logger.error("Unable to complete " + job + ", job origin:" + job.getRelated(), e); |
| |
| //RuntimeException ex = new RuntimeException("Job failed due to exception " + e.getMessage()); |
| _asyncJobMgr.completeAsyncJob(job.getId(), JobInfo.Status.FAILED, 0, _asyncJobMgr.marshallResultObject(e)); |
| } |
| } |
| } |