| /* |
| * 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.slider.api; |
| |
| import org.apache.slider.common.tools.SliderUtils; |
| import org.apache.slider.core.conf.AggregateConf; |
| import org.apache.slider.core.conf.ConfTree; |
| import org.apache.slider.core.conf.MapOperations; |
| import org.apache.slider.core.exceptions.BadConfigException; |
| import org.apache.slider.providers.SliderProviderFactory; |
| |
| import java.util.Map; |
| |
| import static org.apache.slider.api.OptionKeys.ZOOKEEPER_PATH; |
| import static org.apache.slider.api.OptionKeys.ZOOKEEPER_QUORUM; |
| |
| /** |
| * Operations on Cluster Descriptions |
| */ |
| public class ClusterDescriptionOperations { |
| |
| |
| public static ClusterDescription buildFromInstanceDefinition(AggregateConf aggregateConf) throws |
| BadConfigException { |
| |
| ClusterDescription cd = new ClusterDescription(); |
| |
| aggregateConf.resolve(); |
| |
| //options are a merge of all globals |
| Map<String, String> options = cd.options; |
| SliderUtils.mergeMapsIgnoreDuplicateKeys(options, |
| aggregateConf.getInternal().global); |
| SliderUtils.mergeMapsIgnoreDuplicateKeys(options, |
| aggregateConf.getAppConf().global); |
| SliderUtils.mergeMapsIgnoreDuplicateKeys(options, |
| aggregateConf.getResources().global); |
| |
| //roles are the role values merged in the same order |
| mergeInComponentMap(cd, aggregateConf.getInternal()); |
| mergeInComponentMap(cd, aggregateConf.getAppConf()); |
| mergeInComponentMap(cd, aggregateConf.getResources()); |
| |
| //now add the extra bits |
| cd.state = ClusterDescription.STATE_LIVE; |
| MapOperations internalOptions = |
| aggregateConf.getInternalOperations().getGlobalOptions(); |
| MapOperations appOptions = |
| aggregateConf.getAppConfOperations().getGlobalOptions(); |
| |
| cd.type = internalOptions.getOption(OptionKeys.INTERNAL_PROVIDER_NAME, |
| SliderProviderFactory.DEFAULT_CLUSTER_TYPE); |
| |
| cd.dataPath = internalOptions.get(OptionKeys.INTERNAL_DATA_DIR_PATH); |
| cd.name = internalOptions.get(OptionKeys.APPLICATION_NAME); |
| cd.originConfigurationPath = internalOptions.get(OptionKeys.INTERNAL_SNAPSHOT_CONF_PATH); |
| cd.generatedConfigurationPath = internalOptions.get(OptionKeys.INTERNAL_GENERATED_CONF_PATH); |
| cd.setImagePath(internalOptions.get(OptionKeys.INTERNAL_APPLICATION_IMAGE_PATH)); |
| cd.setApplicationHome(internalOptions.get(OptionKeys.INTERNAL_APPLICATION_HOME)); |
| cd.setZkPath(appOptions.get(ZOOKEEPER_PATH)); |
| cd.setZkHosts(appOptions.get(ZOOKEEPER_QUORUM)); |
| |
| return cd; |
| } |
| |
| private static void mergeInComponentMap(ClusterDescription cd, |
| ConfTree confTree |
| ) { |
| |
| Map<String, Map<String, String>> components = confTree.components; |
| for (Map.Entry<String, Map<String, String>> compEntry : components.entrySet()) { |
| String name = compEntry.getKey(); |
| Map<String, String> destRole = cd.getOrAddRole(name); |
| Map<String, String> sourceComponent = compEntry.getValue(); |
| SliderUtils.mergeMapsIgnoreDuplicateKeys(destRole, sourceComponent); |
| } |
| } |
| } |