| /* |
| * 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 org.apache.ambari.server.AmbariException; |
| import org.apache.ambari.server.actionmanager.HostRoleStatus; |
| import org.apache.ambari.server.agent.CommandReport; |
| import org.apache.ambari.server.serveraction.AbstractServerAction; |
| import org.apache.ambari.server.state.Cluster; |
| import org.apache.ambari.server.state.Clusters; |
| import org.apache.ambari.server.state.Config; |
| |
| import com.google.inject.Inject; |
| |
| /** |
| * Computes Yarn properties. This class is only used when moving from |
| * HDP-2.1 to HDP-2.3 in that upgrade pack. |
| */ |
| public class YarnConfigCalculation extends AbstractServerAction { |
| private static final String YARN_SITE_CONFIG_TYPE = "yarn-site"; |
| |
| private static final String YARN_RM_ZK_ADDRESS_PROPERTY_NAME = "yarn.resourcemanager.zk-address"; |
| private static final String HADOOP_REGISTRY_ZK_QUORUM_PROPERTY_NAME = "hadoop.registry.zk.quorum"; |
| |
| @Inject |
| private Clusters clusters; |
| |
| @Override |
| public CommandReport execute(ConcurrentMap<String, Object> requestSharedDataContext) |
| throws AmbariException, InterruptedException { |
| |
| String clusterName = getExecutionCommand().getClusterName(); |
| |
| Cluster cluster = clusters.getCluster(clusterName); |
| |
| Config yarnSiteConfig = cluster.getDesiredConfigByType(YARN_SITE_CONFIG_TYPE); |
| |
| if (yarnSiteConfig == null) { |
| return createCommandReport(0, HostRoleStatus.FAILED,"{}", |
| String.format("Source type %s not found", YARN_SITE_CONFIG_TYPE), ""); |
| } |
| |
| Map<String, String> yarnSiteProperties = yarnSiteConfig.getProperties(); |
| String oldRmZkAddress = yarnSiteProperties.get(YARN_RM_ZK_ADDRESS_PROPERTY_NAME); |
| String oldHadoopRegistryZKQuorum = yarnSiteProperties.get(HADOOP_REGISTRY_ZK_QUORUM_PROPERTY_NAME); |
| |
| String zkServersStr = ZooKeeperQuorumCalculator.getZooKeeperQuorumString(cluster); |
| yarnSiteProperties.put(YARN_RM_ZK_ADDRESS_PROPERTY_NAME, zkServersStr); |
| yarnSiteProperties.put(HADOOP_REGISTRY_ZK_QUORUM_PROPERTY_NAME, zkServersStr); |
| yarnSiteConfig.setProperties(yarnSiteProperties); |
| yarnSiteConfig.persist(false); |
| |
| return createCommandReport(0, HostRoleStatus.COMPLETED, "{}", |
| String.format("%s was set from %s to %s. %s was set from %s to %s", |
| YARN_RM_ZK_ADDRESS_PROPERTY_NAME, oldRmZkAddress, zkServersStr, |
| HADOOP_REGISTRY_ZK_QUORUM_PROPERTY_NAME, oldHadoopRegistryZKQuorum, zkServersStr), ""); |
| } |
| } |