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 */
018package org.apache.oozie.servlet;
019
020import java.io.IOException;
021import java.util.Arrays;
022import java.util.Collections;
023import java.util.List;
024import java.util.Map;
025import java.util.Properties;
026
027import javax.servlet.http.HttpServletRequest;
028import javax.servlet.http.HttpServletResponse;
029
030import org.apache.hadoop.conf.Configuration;
031import org.apache.oozie.ErrorCode;
032import org.apache.oozie.client.OozieClient.SYSTEM_MODE;
033import org.apache.oozie.client.rest.JMSConnectionInfoBean;
034import org.apache.oozie.client.rest.JsonBean;
035import org.apache.oozie.client.rest.JsonTags;
036import org.apache.oozie.client.rest.RestConstants;
037import org.apache.oozie.jms.JMSConnectionInfo;
038import org.apache.oozie.jms.JMSJobEventListener;
039import org.apache.oozie.service.CallableQueueService;
040import org.apache.oozie.service.JMSTopicService;
041import org.apache.oozie.service.Services;
042import org.json.simple.JSONArray;
043import org.json.simple.JSONObject;
044
045public class V1AdminServlet extends BaseAdminServlet {
046
047    private static final long serialVersionUID = 1L;
048    private static final String INSTRUMENTATION_NAME = "v1admin";
049    private static final ResourceInfo RESOURCES_INFO[] = new ResourceInfo[13];
050
051    static {
052        RESOURCES_INFO[0] = new ResourceInfo(RestConstants.ADMIN_STATUS_RESOURCE, Arrays.asList("PUT", "GET"),
053                                             Arrays.asList(new ParameterInfo(RestConstants.ADMIN_SYSTEM_MODE_PARAM, String.class, true,
054                                                                             Arrays.asList("PUT"))));
055        RESOURCES_INFO[1] = new ResourceInfo(RestConstants.ADMIN_OS_ENV_RESOURCE, Arrays.asList("GET"),
056                Collections.EMPTY_LIST);
057        RESOURCES_INFO[2] = new ResourceInfo(RestConstants.ADMIN_JAVA_SYS_PROPS_RESOURCE, Arrays.asList("GET"),
058                Collections.EMPTY_LIST);
059        RESOURCES_INFO[3] = new ResourceInfo(RestConstants.ADMIN_CONFIG_RESOURCE, Arrays.asList("GET"),
060                Collections.EMPTY_LIST);
061        RESOURCES_INFO[4] = new ResourceInfo(RestConstants.ADMIN_INSTRUMENTATION_RESOURCE, Arrays.asList("GET"),
062                Collections.EMPTY_LIST);
063        RESOURCES_INFO[5] = new ResourceInfo(RestConstants.ADMIN_BUILD_VERSION_RESOURCE, Arrays.asList("GET"),
064                Collections.EMPTY_LIST);
065        RESOURCES_INFO[6] = new ResourceInfo(RestConstants.ADMIN_QUEUE_DUMP_RESOURCE, Arrays.asList("GET"),
066                Collections.EMPTY_LIST);
067        RESOURCES_INFO[7] = new ResourceInfo((RestConstants.ADMIN_TIME_ZONES_RESOURCE), Arrays.asList("GET"),
068                Collections.EMPTY_LIST);
069        RESOURCES_INFO[8] = new ResourceInfo((RestConstants.ADMIN_JMS_INFO), Arrays.asList("GET"),
070                Collections.EMPTY_LIST);
071        RESOURCES_INFO[9] = new ResourceInfo(RestConstants.ADMIN_AVAILABLE_OOZIE_SERVERS_RESOURCE, Arrays.asList("GET"),
072                Collections.EMPTY_LIST);
073        RESOURCES_INFO[10] = new ResourceInfo(RestConstants.ADMIN_UPDATE_SHARELIB, Arrays.asList("GET"),
074                Collections.EMPTY_LIST);
075        RESOURCES_INFO[11] = new ResourceInfo(RestConstants.ADMIN_LIST_SHARELIB, Arrays.asList("GET"),
076                Collections.EMPTY_LIST);
077        RESOURCES_INFO[12] = new ResourceInfo(RestConstants.ADMIN_METRICS_RESOURCE, Arrays.asList("GET"),
078                Collections.EMPTY_LIST);
079
080    }
081
082    protected V1AdminServlet(String name) {
083        super(name, RESOURCES_INFO);
084        modeTag = RestConstants.ADMIN_SYSTEM_MODE_PARAM;
085    }
086
087    public V1AdminServlet() {
088        this(INSTRUMENTATION_NAME);
089    }
090
091    /*
092     * (non-Javadoc)
093     *
094     * @see
095     * org.apache.oozie.servlet.BaseAdminServlet#populateOozieMode(org.json.
096     * simple.JSONObject)
097     */
098    @SuppressWarnings("unchecked")
099    @Override
100    protected void populateOozieMode(JSONObject json) {
101        json.put(JsonTags.OOZIE_SYSTEM_MODE, Services.get().getSystemMode().toString());
102    }
103
104    /*
105     * (non-Javadoc)
106     *
107     * @see
108     * org.apache.oozie.servlet.BaseAdminServlet#setOozieMode(javax.servlet.
109     * http.HttpServletRequest, javax.servlet.http.HttpServletResponse,
110     * java.lang.String)
111     */
112    @Override
113    protected void setOozieMode(HttpServletRequest request,
114                                HttpServletResponse response, String resourceName)
115            throws XServletException {
116        if (resourceName.equals(RestConstants.ADMIN_STATUS_RESOURCE)) {
117            SYSTEM_MODE sysMode = SYSTEM_MODE.valueOf(request.getParameter(modeTag));
118            Services.get().setSystemMode(sysMode);
119            response.setStatus(HttpServletResponse.SC_OK);
120        }
121        else {
122            throw new XServletException(HttpServletResponse.SC_BAD_REQUEST,
123                                        ErrorCode.E0301, resourceName);
124        }
125    }
126
127    /**
128     * Get a json array of queue dump and a json array of unique map dump
129     *
130     * @param JSONObject the result json object that contains a JSONArray for the callable dump
131     *
132     * @see
133     * org.apache.oozie.servlet.BaseAdminServlet#getQueueDump(org.json.simple
134     * .JSONObject)
135     */
136    @SuppressWarnings("unchecked")
137    @Override
138    protected void getQueueDump(JSONObject json) throws XServletException {
139        List<String> queueDumpList = Services.get().get(CallableQueueService.class).getQueueDump();
140        JSONArray queueDumpArray = new JSONArray();
141        for (String str: queueDumpList) {
142            JSONObject jObject = new JSONObject();
143            jObject.put(JsonTags.CALLABLE_DUMP, str);
144            queueDumpArray.add(jObject);
145        }
146        json.put(JsonTags.QUEUE_DUMP, queueDumpArray);
147
148        List<String> uniqueDumpList = Services.get().get(CallableQueueService.class).getUniqueDump();
149        JSONArray uniqueDumpArray = new JSONArray();
150        for (String str: uniqueDumpList) {
151            JSONObject jObject = new JSONObject();
152            jObject.put(JsonTags.UNIQUE_ENTRY_DUMP, str);
153            uniqueDumpArray.add(jObject);
154        }
155        json.put(JsonTags.UNIQUE_MAP_DUMP, uniqueDumpArray);
156    }
157
158    @Override
159    protected JsonBean getJMSConnectionInfo(HttpServletRequest request, HttpServletResponse response) throws XServletException,
160            IOException {
161        throw new XServletException(HttpServletResponse.SC_BAD_REQUEST, ErrorCode.E0302, "Not supported in v1");
162    }
163
164    @Override
165    protected Map<String, String> getOozieURLs() throws XServletException {
166        throw new XServletException(HttpServletResponse.SC_BAD_REQUEST, ErrorCode.E0302, "Not supported in v1");
167    }
168
169    @Override
170    protected void sendMetricsResponse(HttpServletResponse response) throws IOException, XServletException {
171        throw new XServletException(HttpServletResponse.SC_BAD_REQUEST, ErrorCode.E0302, "Not supported in v1");
172    }
173}