| /** |
| * 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 java.util.HashMap; |
| import java.util.Map; |
| |
| import javax.ws.rs.GET; |
| import javax.ws.rs.POST; |
| import javax.ws.rs.Path; |
| import javax.ws.rs.PathParam; |
| import javax.ws.rs.Produces; |
| import javax.ws.rs.core.Context; |
| import javax.ws.rs.core.HttpHeaders; |
| import javax.ws.rs.core.Response; |
| import javax.ws.rs.core.UriInfo; |
| |
| import org.apache.ambari.server.api.resources.ResourceInstance; |
| import org.apache.ambari.server.controller.spi.Resource; |
| |
| /** |
| * Service responsible for stack version requests. |
| */ |
| public class HostStackVersionService extends BaseService { |
| /** |
| * Name of the host. |
| */ |
| private String hostName; |
| |
| /** |
| * Parent cluster name. |
| */ |
| private String clusterName; |
| |
| /** |
| * Constructor. |
| * |
| * @param hostName name of the host |
| */ |
| public HostStackVersionService(String hostName, String clusterName) { |
| this.hostName = hostName; |
| this.clusterName = clusterName; |
| } |
| |
| /** |
| * Gets all host host version. |
| * Handles: GET /hosts/{hostname}/stack_versions requests. |
| * |
| * @param headers http headers |
| * @param ui uri info |
| * |
| * @return information regarding all host stack versions |
| */ |
| @GET |
| @Produces("text/plain") |
| public Response getHostStackVersions(@Context HttpHeaders headers, @Context UriInfo ui) { |
| return handleRequest(headers, null, ui, Request.Type.GET, createResource(ui, clusterName, hostName, null)); |
| } |
| |
| /** |
| * Gets a single host stack version. |
| * Handles: GET /hosts/{hostname}/host_versions/{stackversionid} requests. |
| * |
| * @param headers http headers |
| * @param ui uri info |
| * @param stackVersionId host stack version id |
| * |
| * @return information regarding the specific host stack version |
| */ |
| @GET |
| @Path("{stackVersionId}") |
| @Produces("text/plain") |
| public Response getHostStackVersion(@Context HttpHeaders headers, @Context UriInfo ui, |
| @PathParam("stackVersionId") String stackVersionId) { |
| return handleRequest(headers, null, ui, Request.Type.GET, createResource(ui, clusterName, hostName, stackVersionId)); |
| } |
| |
| /** |
| * Handles: POST /clusters/{clusterID}/hosts/{hostname}/host_versions requests |
| * Distribute repositories/install packages on host. |
| * |
| * @param body http body |
| * @param headers http headers |
| * @param ui uri info |
| * @return information regarding the created services |
| */ |
| @POST |
| @Produces("text/plain") |
| public Response createRequests(String body, @Context HttpHeaders headers, @Context UriInfo ui) { |
| return handleRequest(headers, body, ui, Request.Type.POST, createResource(ui, clusterName, hostName, null)); |
| } |
| |
| /** |
| * Handles ANY /{stackVersionId}/repository_versions requests. |
| * |
| * @param stackVersionId host stack version id |
| * @return repository version service |
| */ |
| @Path("{stackVersionId}/repository_versions") |
| public RepositoryVersionService getRepositoryVersionHandler(@PathParam("stackVersionId") String stackVersionId) { |
| final Map<Resource.Type, String> stackVersionProperties = new HashMap<Resource.Type, String>(); |
| stackVersionProperties.put(Resource.Type.Host, hostName); |
| stackVersionProperties.put(Resource.Type.HostStackVersion, stackVersionId); |
| return new RepositoryVersionService(stackVersionProperties); |
| } |
| |
| /** |
| * Create a host stack version resource instance. |
| * |
| * @param clusterName |
| * @param hostName host name |
| * @param stackVersionId host stack version id |
| * @return a host host version resource instance |
| */ |
| private ResourceInstance createResource(UriInfo ui, String clusterName, String hostName, String stackVersionId) { |
| final Map<Resource.Type, String> mapIds = new HashMap<Resource.Type, String>(); |
| if (clusterName != null) { |
| mapIds.put(Resource.Type.Cluster, clusterName); |
| } |
| mapIds.put(Resource.Type.Host, hostName); |
| mapIds.put(Resource.Type.HostStackVersion, stackVersionId); |
| return createResource(Resource.Type.HostStackVersion, mapIds); |
| } |
| } |