001 /**
002 * Licensed to the Apache Software Foundation (ASF) under one
003 * or more contributor license agreements. See the NOTICE file
004 * distributed with this work for additional information
005 * regarding copyright ownership. The ASF licenses this file
006 * to you under the Apache License, Version 2.0 (the
007 * "License"); you may not use this file except in compliance
008 * with the License. You may obtain a copy of the License at
009 *
010 * http://www.apache.org/licenses/LICENSE-2.0
011 *
012 * Unless required by applicable law or agreed to in writing, software
013 * distributed under the License is distributed on an "AS IS" BASIS,
014 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
015 * See the License for the specific language governing permissions and
016 * limitations under the License.
017 */
018 package org.apache.oozie.servlet;
019
020 import java.io.IOException;
021 import java.util.Arrays;
022 import java.util.Collections;
023 import java.util.List;
024 import java.util.Properties;
025
026 import javax.servlet.http.HttpServletRequest;
027 import javax.servlet.http.HttpServletResponse;
028
029 import org.apache.hadoop.conf.Configuration;
030 import org.apache.oozie.ErrorCode;
031 import org.apache.oozie.client.OozieClient.SYSTEM_MODE;
032 import org.apache.oozie.client.rest.JMSConnectionInfoBean;
033 import org.apache.oozie.client.rest.JsonBean;
034 import org.apache.oozie.client.rest.JsonTags;
035 import org.apache.oozie.client.rest.RestConstants;
036 import org.apache.oozie.jms.JMSConnectionInfo;
037 import org.apache.oozie.jms.JMSJobEventListener;
038 import org.apache.oozie.service.CallableQueueService;
039 import org.apache.oozie.service.JMSTopicService;
040 import org.apache.oozie.service.Services;
041 import org.json.simple.JSONArray;
042 import org.json.simple.JSONObject;
043
044 public class V1AdminServlet extends BaseAdminServlet {
045
046 private static final long serialVersionUID = 1L;
047 private static final String INSTRUMENTATION_NAME = "v1admin";
048 private static final ResourceInfo RESOURCES_INFO[] = new ResourceInfo[9];
049
050 static {
051 RESOURCES_INFO[0] = new ResourceInfo(RestConstants.ADMIN_STATUS_RESOURCE, Arrays.asList("PUT", "GET"),
052 Arrays.asList(new ParameterInfo(RestConstants.ADMIN_SYSTEM_MODE_PARAM, String.class, true,
053 Arrays.asList("PUT"))));
054 RESOURCES_INFO[1] = new ResourceInfo(RestConstants.ADMIN_OS_ENV_RESOURCE, Arrays.asList("GET"),
055 Collections.EMPTY_LIST);
056 RESOURCES_INFO[2] = new ResourceInfo(RestConstants.ADMIN_JAVA_SYS_PROPS_RESOURCE, Arrays.asList("GET"),
057 Collections.EMPTY_LIST);
058 RESOURCES_INFO[3] = new ResourceInfo(RestConstants.ADMIN_CONFIG_RESOURCE, Arrays.asList("GET"),
059 Collections.EMPTY_LIST);
060 RESOURCES_INFO[4] = new ResourceInfo(RestConstants.ADMIN_INSTRUMENTATION_RESOURCE, Arrays.asList("GET"),
061 Collections.EMPTY_LIST);
062 RESOURCES_INFO[5] = new ResourceInfo(RestConstants.ADMIN_BUILD_VERSION_RESOURCE, Arrays.asList("GET"),
063 Collections.EMPTY_LIST);
064 RESOURCES_INFO[6] = new ResourceInfo(RestConstants.ADMIN_QUEUE_DUMP_RESOURCE, Arrays.asList("GET"),
065 Collections.EMPTY_LIST);
066 RESOURCES_INFO[7] = new ResourceInfo((RestConstants.ADMIN_TIME_ZONES_RESOURCE), Arrays.asList("GET"),
067 Collections.EMPTY_LIST);
068 RESOURCES_INFO[8] = new ResourceInfo((RestConstants.ADMIN_JMS_INFO), Arrays.asList("GET"),
069 Collections.EMPTY_LIST);
070
071 }
072
073 protected V1AdminServlet(String name) {
074 super(name, RESOURCES_INFO);
075 modeTag = RestConstants.ADMIN_SYSTEM_MODE_PARAM;
076 }
077
078 public V1AdminServlet() {
079 this(INSTRUMENTATION_NAME);
080 }
081
082 /*
083 * (non-Javadoc)
084 *
085 * @see
086 * org.apache.oozie.servlet.BaseAdminServlet#populateOozieMode(org.json.
087 * simple.JSONObject)
088 */
089 @SuppressWarnings("unchecked")
090 @Override
091 protected void populateOozieMode(JSONObject json) {
092 json.put(JsonTags.OOZIE_SYSTEM_MODE, Services.get().getSystemMode().toString());
093 }
094
095 /*
096 * (non-Javadoc)
097 *
098 * @see
099 * org.apache.oozie.servlet.BaseAdminServlet#setOozieMode(javax.servlet.
100 * http.HttpServletRequest, javax.servlet.http.HttpServletResponse,
101 * java.lang.String)
102 */
103 @Override
104 protected void setOozieMode(HttpServletRequest request,
105 HttpServletResponse response, String resourceName)
106 throws XServletException {
107 if (resourceName.equals(RestConstants.ADMIN_STATUS_RESOURCE)) {
108 SYSTEM_MODE sysMode = SYSTEM_MODE.valueOf(request.getParameter(modeTag));
109 Services.get().setSystemMode(sysMode);
110 response.setStatus(HttpServletResponse.SC_OK);
111 }
112 else {
113 throw new XServletException(HttpServletResponse.SC_BAD_REQUEST,
114 ErrorCode.E0301, resourceName);
115 }
116 }
117
118 /**
119 * Get a json array of queue dump and a json array of unique map dump
120 *
121 * @param JSONObject the result json object that contains a JSONArray for the callable dump
122 *
123 * @see
124 * org.apache.oozie.servlet.BaseAdminServlet#getQueueDump(org.json.simple
125 * .JSONObject)
126 */
127 @SuppressWarnings("unchecked")
128 @Override
129 protected void getQueueDump(JSONObject json) throws XServletException {
130 List<String> queueDumpList = Services.get().get(CallableQueueService.class).getQueueDump();
131 JSONArray queueDumpArray = new JSONArray();
132 for (String str: queueDumpList) {
133 JSONObject jObject = new JSONObject();
134 jObject.put(JsonTags.CALLABLE_DUMP, str);
135 queueDumpArray.add(jObject);
136 }
137 json.put(JsonTags.QUEUE_DUMP, queueDumpArray);
138
139 List<String> uniqueDumpList = Services.get().get(CallableQueueService.class).getUniqueDump();
140 JSONArray uniqueDumpArray = new JSONArray();
141 for (String str: uniqueDumpList) {
142 JSONObject jObject = new JSONObject();
143 jObject.put(JsonTags.UNIQUE_ENTRY_DUMP, str);
144 uniqueDumpArray.add(jObject);
145 }
146 json.put(JsonTags.UNIQUE_MAP_DUMP, uniqueDumpArray);
147 }
148
149 @Override
150 protected JsonBean getJMSConnectionInfo(HttpServletRequest request, HttpServletResponse response) throws XServletException,
151 IOException {
152 throw new XServletException(HttpServletResponse.SC_BAD_REQUEST, ErrorCode.E0302, "Not supported in v1");
153 }
154
155
156 }