| /* |
| * 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.metadata; |
| |
| import com.google.inject.Singleton; |
| import org.apache.ambari.server.Role; |
| import org.apache.ambari.server.state.Service; |
| |
| import java.util.ArrayList; |
| import java.util.Arrays; |
| import java.util.Collections; |
| import java.util.HashMap; |
| import java.util.List; |
| import java.util.Map; |
| |
| /** |
| * Contains metadata about actions supported by services |
| */ |
| @Singleton |
| public class ActionMetadata { |
| private final Map<String, List<String>> serviceActions = new HashMap<String, List<String>>(); |
| private final Map<String, String> serviceClients = new HashMap<String, String>(); |
| private final Map<String, String> serviceCheckActions = |
| new HashMap<String, String>(); |
| private final List<String> defaultHostComponentCommands = new ArrayList<String>(); |
| public final static String SERVICE_CHECK_POSTFIX = "_SERVICE_CHECK"; |
| |
| private static final Map<String, String> SERVICE_CHECKS; |
| static { |
| Map<String, String> serviceChecks = new HashMap<String, String>(); |
| |
| serviceChecks.put(Service.Type.ZOOKEEPER.toString(), "ZOOKEEPER_QUORUM_SERVICE_CHECK"); |
| |
| SERVICE_CHECKS = Collections.unmodifiableMap(serviceChecks); |
| } |
| |
| public ActionMetadata() { |
| fillServiceClients(); |
| fillHostComponentCommands(); |
| } |
| |
| private void fillHostComponentCommands() { |
| //Standart commands for any host component |
| defaultHostComponentCommands.add("RESTART"); |
| defaultHostComponentCommands.add("START"); |
| defaultHostComponentCommands.add("STOP"); |
| defaultHostComponentCommands.add("INSTALL"); |
| defaultHostComponentCommands.add("CONFIGURE"); |
| defaultHostComponentCommands.add("CONFIGURE_FUNCTION"); |
| } |
| |
| private void fillServiceClients() { |
| serviceClients.put("hdfs", Role.HDFS_CLIENT.toString()); |
| serviceClients.put("glusterfs", Role.GLUSTERFS_CLIENT.toString()); |
| serviceClients.put("hbase", Role.HBASE_CLIENT.toString()); |
| serviceClients.put("mapreduce", Role.MAPREDUCE_CLIENT.toString()); |
| serviceClients.put("zookeeper", Role.ZOOKEEPER_CLIENT.toString()); |
| serviceClients.put("hive", Role.HIVE_CLIENT.toString()); |
| serviceClients.put("hcat", Role.HCAT.toString()); |
| serviceClients.put("oozie", Role.OOZIE_CLIENT.toString()); |
| serviceClients.put("pig", Role.PIG.toString()); |
| serviceClients.put("mahout", Role.MAHOUT.toString()); |
| serviceClients.put("sqoop", Role.SQOOP.toString()); |
| serviceClients.put("yarn", Role.YARN_CLIENT.toString()); |
| serviceClients.put("kerberos", Role.KERBEROS_CLIENT.toString()); |
| serviceClients.put("accumulo", Role.ACCUMULO_CLIENT.toString()); |
| } |
| |
| public List<String> getActions(String serviceName) { |
| List<String> result = serviceActions.get(serviceName.toLowerCase()); |
| if (result != null) { |
| return result; |
| } else { |
| return Collections.emptyList(); |
| } |
| } |
| |
| public String getClient(String serviceName) { |
| return serviceClients.get(serviceName.toLowerCase()); |
| } |
| |
| public String getServiceCheckAction(String serviceName) { |
| return serviceCheckActions.get(serviceName.toLowerCase()); |
| } |
| |
| /** |
| * Get service name by service check action name |
| * @param serviceCheckAction service check action name like ZOOKEEPER_QUORUM_SERVICE_CHECK |
| * @return service name (capitalized) or null if not found |
| */ |
| public String getServiceNameByServiceCheckAction(String serviceCheckAction) { |
| for (Map.Entry<String, String> entry : serviceCheckActions.entrySet()) { |
| if (entry.getValue().equals(serviceCheckAction)) { |
| return entry.getKey().toUpperCase(); |
| } |
| } |
| return null; |
| } |
| |
| public void addServiceCheckAction(String serviceName) { |
| String actionName = serviceName + SERVICE_CHECK_POSTFIX; |
| |
| if(SERVICE_CHECKS.containsKey(serviceName)) { |
| actionName = SERVICE_CHECKS.get(serviceName); |
| } |
| |
| serviceCheckActions.put(serviceName.toLowerCase(), actionName); |
| serviceActions.put(serviceName.toLowerCase(), Arrays.asList(actionName)); |
| } |
| |
| public boolean isDefaultHostComponentCommand(String command) { |
| if (command != null && defaultHostComponentCommands.contains(command)) { |
| return true; |
| } |
| return false; |
| } |
| } |