| /** |
| * 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.controller.internal; |
| |
| import java.util.Arrays; |
| import java.util.Collection; |
| import java.util.HashSet; |
| import java.util.Map; |
| import java.util.Map.Entry; |
| import java.util.Set; |
| |
| import org.apache.ambari.server.AmbariException; |
| import org.apache.ambari.server.api.services.AmbariMetaInfo; |
| import org.apache.ambari.server.controller.AmbariManagementController; |
| import org.apache.ambari.server.controller.HostComponentProcessResponse; |
| import org.apache.ambari.server.controller.spi.NoSuchParentResourceException; |
| import org.apache.ambari.server.controller.spi.NoSuchResourceException; |
| import org.apache.ambari.server.controller.spi.Predicate; |
| import org.apache.ambari.server.controller.spi.Request; |
| import org.apache.ambari.server.controller.spi.Resource; |
| import org.apache.ambari.server.controller.spi.SystemException; |
| import org.apache.ambari.server.controller.spi.UnsupportedPropertyException; |
| import org.apache.ambari.server.state.Cluster; |
| import org.apache.ambari.server.state.Clusters; |
| import org.apache.ambari.server.state.Service; |
| import org.apache.ambari.server.state.ServiceComponent; |
| import org.apache.ambari.server.state.ServiceComponentHost; |
| |
| /** |
| * Resource Provider for HostComponent process resources. |
| */ |
| public class HostComponentProcessResourceProvider extends ReadOnlyResourceProvider { |
| |
| // ----- Property ID constants --------------------------------------------- |
| |
| // process |
| public static final String HC_PROCESS_NAME_ID = "HostComponentProcess/name"; |
| public static final String HC_PROCESS_STATUS_ID = "HostComponentProcess/status"; |
| |
| public static final String HC_PROCESS_CLUSTER_NAME_ID = "HostComponentProcess/cluster_name"; |
| public static final String HC_PROCESS_HOST_NAME_ID = "HostComponentProcess/host_name"; |
| public static final String HC_PROCESS_COMPONENT_NAME_ID = "HostComponentProcess/component_name"; |
| |
| // Primary Key Fields |
| private static Set<String> pkPropertyIds = |
| new HashSet<String>(Arrays.asList(new String[]{ |
| HC_PROCESS_CLUSTER_NAME_ID, HC_PROCESS_HOST_NAME_ID, HC_PROCESS_COMPONENT_NAME_ID, HC_PROCESS_NAME_ID})); |
| |
| // ----- Constructors ---------------------------------------------------- |
| |
| /** |
| * Create a new resource provider for the given management controller. |
| * |
| * @param propertyIds the property ids |
| * @param keyPropertyIds the key property ids |
| */ |
| HostComponentProcessResourceProvider(Set<String> propertyIds, |
| Map<Resource.Type, String> keyPropertyIds, AmbariManagementController amc) { |
| super(propertyIds, keyPropertyIds, amc); |
| } |
| |
| |
| // ----- ResourceProvider ------------------------------------------------ |
| |
| @Override |
| protected Set<String> getPKPropertyIds() { |
| return pkPropertyIds; |
| } |
| |
| |
| @Override |
| public Set<Resource> getResources(Request request, Predicate predicate) |
| throws SystemException, UnsupportedPropertyException, |
| NoSuchResourceException, NoSuchParentResourceException { |
| |
| final Set<Map<String, Object>> requestMaps = getPropertyMaps(predicate); |
| |
| Set<String> requestedIds = getRequestPropertyIds(request, predicate); |
| |
| Set<HostComponentProcessResponse> responses = getResources(new Command<Set<HostComponentProcessResponse>>() { |
| @Override |
| public Set<HostComponentProcessResponse> invoke() throws AmbariException { |
| return getHostComponentProcesses(requestMaps); |
| } |
| }); |
| |
| Set<Resource> resources = new HashSet<Resource>(); |
| |
| for (HostComponentProcessResponse response : responses) { |
| Resource r = new ResourceImpl(Resource.Type.HostComponentProcess); |
| |
| setResourceProperty(r, HC_PROCESS_CLUSTER_NAME_ID, response.getCluster(), |
| requestedIds); |
| setResourceProperty(r, HC_PROCESS_HOST_NAME_ID, response.getHost(), |
| requestedIds); |
| setResourceProperty(r, HC_PROCESS_COMPONENT_NAME_ID, response.getComponent(), requestedIds); |
| |
| setResourceProperty(r, HC_PROCESS_NAME_ID, response.getValueMap().get("name"), |
| requestedIds); |
| setResourceProperty(r, HC_PROCESS_STATUS_ID, response.getValueMap().get("status"), |
| requestedIds); |
| |
| // set the following even if they aren't defined |
| for (Entry<String, String> entry : response.getValueMap().entrySet()) { |
| // these are already set |
| if (entry.getKey().equals("name") || entry.getKey().equals("status")) |
| continue; |
| |
| setResourceProperty(r, "HostComponentProcess/" + entry.getKey(), |
| entry.getValue(), requestedIds); |
| |
| } |
| |
| resources.add(r); |
| } |
| |
| return resources; |
| } |
| |
| // ----- Instance Methods ------------------------------------------------ |
| |
| private Set<HostComponentProcessResponse> getHostComponentProcesses( |
| Set<Map<String, Object>> requestMaps) |
| throws AmbariException { |
| |
| Set<HostComponentProcessResponse> results = new HashSet<HostComponentProcessResponse>(); |
| |
| Clusters clusters = getManagementController().getClusters(); |
| |
| for (Map<String, Object> requestMap : requestMaps) { |
| |
| String cluster = (String) requestMap.get(HC_PROCESS_CLUSTER_NAME_ID); |
| String component = (String) requestMap.get(HC_PROCESS_COMPONENT_NAME_ID); |
| String host = (String) requestMap.get(HC_PROCESS_HOST_NAME_ID); |
| |
| Cluster c = clusters.getCluster(cluster); |
| |
| Collection<ServiceComponentHost> schs = c.getServiceComponentHosts(host); |
| |
| for (ServiceComponentHost sch : schs) { |
| if (!sch.getServiceComponentName().equals(component)) |
| continue; |
| |
| for (Map<String, String> proc : sch.getProcesses()) { |
| results.add(new HostComponentProcessResponse(cluster, sch.getHostName(), |
| component, proc)); |
| } |
| } |
| |
| } |
| return results; |
| } |
| |
| |
| |
| } |