| /* |
| * 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 org.apache.ambari.server.serveraction.upgrades; |
| |
| import java.util.Map; |
| import java.util.concurrent.ConcurrentMap; |
| import java.util.regex.Matcher; |
| import java.util.regex.Pattern; |
| import java.util.stream.Collectors; |
| |
| import org.apache.ambari.server.AmbariException; |
| import org.apache.ambari.server.actionmanager.HostRoleStatus; |
| import org.apache.ambari.server.agent.CommandReport; |
| import org.apache.ambari.server.state.Cluster; |
| import org.apache.ambari.server.state.Config; |
| import org.apache.ambari.server.state.Host; |
| |
| /** |
| * Append hive-env config type with HIVE_HOME and HIVE_CONF_DIR variables if they are absent |
| */ |
| public class HiveEnvClasspathAction extends AbstractUpgradeServerAction { |
| private static final String TARGET_CONFIG_TYPE = "hive-env"; |
| private static final String CONTENT_PROPERTY_NAME = "content"; |
| |
| private static final String HIVE_HOME = "HIVE_HOME"; |
| private static final String HIVE_CONF_DIR = "HIVE_CONF_DIR"; |
| |
| private static final String HIVE_HOME_APPEND = "export HIVE_HOME=${HIVE_HOME:-{{hive_home_dir}}}"; |
| private static final String HIVE_CONF_DIR_APPEND = "export HIVE_CONF_DIR=${HIVE_CONF_DIR:-{{hive_config_dir}}}"; |
| |
| private static final String VERIFY_REGEXP = "^\\s*export\\s(?<property>%s|%s)\\s*=\\s*.*$"; |
| |
| @Override |
| public CommandReport execute(ConcurrentMap<String, Object> requestSharedDataContext) |
| throws AmbariException, InterruptedException { |
| |
| |
| String clusterName = getExecutionCommand().getClusterName(); |
| Cluster cluster = getClusters().getCluster(clusterName); |
| Config config = cluster.getDesiredConfigByType(TARGET_CONFIG_TYPE); |
| |
| if (config == null) { |
| return createCommandReport(0, HostRoleStatus.FAILED,"{}", |
| String.format("Source type %s not found", TARGET_CONFIG_TYPE), ""); |
| } |
| |
| Pattern regex = Pattern.compile(String.format(VERIFY_REGEXP, HIVE_HOME, HIVE_CONF_DIR), Pattern.MULTILINE); |
| |
| Map<String, String> properties = config.getProperties(); |
| String oldContent = properties.get(CONTENT_PROPERTY_NAME); |
| |
| Matcher regexMatcher = regex.matcher(oldContent); |
| boolean isHiveHomeFound = false; |
| boolean isHiveConfFound = false; |
| |
| while (regexMatcher.find()){ |
| String propertyName = regexMatcher.group("property"); |
| |
| if (propertyName.equalsIgnoreCase(HIVE_CONF_DIR)){ |
| isHiveConfFound = true; |
| } else if (propertyName.equalsIgnoreCase(HIVE_HOME)){ |
| isHiveHomeFound = true; |
| } |
| } |
| |
| StringBuilder stringBuilder = new StringBuilder(oldContent); |
| |
| if (!isHiveConfFound) { |
| stringBuilder.append("\n").append(HIVE_CONF_DIR_APPEND); |
| } |
| |
| if (!isHiveHomeFound) { |
| stringBuilder.append("\n").append(HIVE_HOME_APPEND); |
| } |
| |
| String newContent = stringBuilder.toString(); |
| |
| if (newContent.equals(oldContent)) { |
| return createCommandReport(0, HostRoleStatus.COMPLETED, "{}", |
| String.format("%s/%s option has been already added to hive-env", HIVE_HOME, HIVE_CONF_DIR), ""); |
| } else { |
| properties.put(CONTENT_PROPERTY_NAME, newContent); |
| } |
| |
| config.setProperties(properties); |
| config.save(); |
| agentConfigsHolder.updateData(cluster.getClusterId(), cluster.getHosts().stream().map(Host::getHostId).collect(Collectors.toList())); |
| |
| return createCommandReport(0, HostRoleStatus.COMPLETED, "{}", |
| String.format("Added %s, %s to content at %s", HIVE_CONF_DIR, HIVE_HOME, TARGET_CONFIG_TYPE), ""); |
| |
| } |
| |
| } |