| /** |
| * 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.api.services; |
| |
| import org.apache.ambari.server.api.resources.ResourceInstance; |
| import org.apache.ambari.server.controller.spi.Resource; |
| |
| import javax.ws.rs.*; |
| import javax.ws.rs.core.*; |
| import java.util.Collections; |
| |
| |
| /** |
| * Service responsible for cluster resource requests. |
| */ |
| @Path("/clusters/") |
| public class ClusterService extends BaseService { |
| |
| /** |
| * Handles: GET /clusters/{clusterID} |
| * Get a specific cluster. |
| * |
| * @param headers http headers |
| * @param ui uri info |
| * @param clusterName cluster id |
| * @return cluster instance representation |
| */ |
| @GET |
| @Path("{clusterName}") |
| @Produces("text/plain") |
| public Response getCluster(@Context HttpHeaders headers, @Context UriInfo ui, |
| @PathParam("clusterName") String clusterName) { |
| |
| return handleRequest(headers, null, ui, Request.Type.GET, createClusterResource(clusterName)); |
| } |
| |
| /** |
| * Handles: GET /clusters |
| * Get all clusters. |
| * |
| * @param headers http headers |
| * @param ui uri info |
| * @return cluster collection resource representation |
| */ |
| @GET |
| @Produces("text/plain") |
| public Response getClusters(@Context HttpHeaders headers, @Context UriInfo ui) { |
| return handleRequest(headers, null, ui, Request.Type.GET, createClusterResource(null)); |
| } |
| |
| /** |
| * Handles: POST /clusters/{clusterID} |
| * Create a specific cluster. |
| * |
| * @param headers http headers |
| * @param ui uri info |
| * @param clusterName cluster id |
| * @return information regarding the created cluster |
| */ |
| @POST |
| @Path("{clusterName}") |
| @Produces("text/plain") |
| public Response createCluster(String body, @Context HttpHeaders headers, @Context UriInfo ui, |
| @PathParam("clusterName") String clusterName) { |
| |
| return handleRequest(headers, body, ui, Request.Type.POST, createClusterResource(clusterName)); |
| } |
| |
| /** |
| * Handles: PUT /clusters/{clusterID} |
| * Update a specific cluster. |
| * |
| * @param headers http headers |
| * @param ui uri info |
| * @param clusterName cluster id |
| * @return information regarding the updated cluster |
| */ |
| @PUT |
| @Path("{clusterName}") |
| @Produces("text/plain") |
| public Response updateCluster(String body, @Context HttpHeaders headers, @Context UriInfo ui, |
| @PathParam("clusterName") String clusterName) { |
| |
| return handleRequest(headers, body, ui, Request.Type.PUT, createClusterResource(clusterName)); |
| } |
| |
| /** |
| * Handles: DELETE /clusters/{clusterID} |
| * Delete a specific cluster. |
| * |
| * @param headers http headers |
| * @param ui uri info |
| * @param clusterName cluster id |
| * @return information regarding the deleted cluster |
| */ |
| @DELETE |
| @Path("{clusterName}") |
| @Produces("text/plain") |
| public Response deleteCluster(@Context HttpHeaders headers, @Context UriInfo ui, |
| @PathParam("clusterName") String clusterName) { |
| |
| return handleRequest(headers, null, ui, Request.Type.DELETE, createClusterResource(clusterName)); |
| } |
| |
| /** |
| * Get the hosts sub-resource |
| * |
| * @param clusterName cluster id |
| * @return the hosts service |
| */ |
| @Path("{clusterName}/hosts") |
| public HostService getHostHandler(@PathParam("clusterName") String clusterName) { |
| return new HostService(clusterName); |
| } |
| |
| /** |
| * Get the services sub-resource |
| * |
| * @param clusterName cluster id |
| * @return the services service |
| */ |
| @Path("{clusterName}/services") |
| public ServiceService getServiceHandler(@PathParam("clusterName") String clusterName) { |
| return new ServiceService(clusterName); |
| } |
| |
| /** |
| * Gets the configurations sub-resource. |
| * |
| * @param clusterName the cluster name |
| * @return the configuration service |
| */ |
| @Path("{clusterName}/configurations") |
| public ConfigurationService getConfigurationHandler(@PathParam("clusterName") String clusterName) { |
| return new ConfigurationService(clusterName); |
| } |
| |
| /** |
| * Gets the requests sub-resource. |
| */ |
| @Path("{clusterName}/requests") |
| public RequestService getRequestHandler(@PathParam("clusterName") String clusterName) { |
| return new RequestService(clusterName); |
| } |
| |
| /** |
| * Get the host component resource without specifying the parent host component. |
| * Allows accessing host component resources across hosts. |
| * |
| * @param clusterName the cluster name |
| * @return the host component service with no parent set |
| */ |
| @Path("{clusterName}/host_components") |
| public HostComponentService getHostComponentHandler(@PathParam("clusterName") String clusterName) { |
| return new HostComponentService(clusterName, null); |
| } |
| |
| /** |
| * Create a cluster resource instance. |
| * |
| * @param clusterName cluster name |
| * |
| * @return a cluster resource instance |
| */ |
| ResourceInstance createClusterResource(String clusterName) { |
| return createResource(Resource.Type.Cluster, |
| Collections.singletonMap(Resource.Type.Cluster, clusterName)); |
| } |
| } |