| // 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.kvm.resource.rolling.maintenance; |
| |
| import com.cloud.utils.exception.CloudRuntimeException; |
| import org.apache.commons.lang3.StringUtils; |
| import org.apache.log4j.Logger; |
| |
| import java.io.File; |
| |
| public abstract class RollingMaintenanceExecutorBase implements RollingMaintenanceExecutor { |
| |
| private String hooksDir; |
| private int timeout; |
| private boolean avoidMaintenance = false; |
| |
| static final int exitValueAvoidMaintenance = 70; |
| static final int exitValueTerminatedSignal = 143; |
| private static final Logger s_logger = Logger.getLogger(RollingMaintenanceExecutor.class); |
| |
| void setTimeout(int timeout) { |
| this.timeout = timeout; |
| } |
| |
| long getTimeout() { |
| return timeout; |
| } |
| |
| private void sanitizeHoooksDirFormat() { |
| if (StringUtils.isNotBlank(this.hooksDir) && !this.hooksDir.endsWith("/")) { |
| this.hooksDir += "/"; |
| } |
| } |
| |
| RollingMaintenanceExecutorBase(String hooksDir) { |
| this.hooksDir = hooksDir; |
| sanitizeHoooksDirFormat(); |
| } |
| |
| protected boolean existsAndIsFile(String filepath) { |
| File file = new File(filepath); |
| return file.exists() && file.isFile(); |
| } |
| |
| public File getStageScriptFile(String stage) { |
| String scriptPath = hooksDir + stage; |
| if (existsAndIsFile(scriptPath)) { |
| return new File(scriptPath); |
| } else if (existsAndIsFile(scriptPath + ".sh")) { |
| return new File(scriptPath + ".sh"); |
| } else if (existsAndIsFile(scriptPath + ".py")) { |
| return new File(scriptPath + ".py"); |
| } else { |
| String msg = "Unable to locate script for stage: " + stage + " in directory: " + hooksDir; |
| s_logger.warn(msg); |
| return null; |
| } |
| } |
| |
| void checkHooksDirectory() { |
| if (StringUtils.isBlank(hooksDir)) { |
| throw new CloudRuntimeException("Hooks directory is empty, please specify it on agent.properties and restart the agent"); |
| } |
| } |
| |
| String getHooksDir() { |
| return hooksDir; |
| } |
| |
| public void setAvoidMaintenance(boolean avoidMaintenance) { |
| this.avoidMaintenance = avoidMaintenance; |
| } |
| |
| public boolean getStageAvoidMaintenance(String stage, File scriptFile) { |
| return avoidMaintenance; |
| } |
| } |