Source code

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
019package org.apache.oozie.servlet;
020
021import java.io.IOException;
022import java.util.Arrays;
023import java.util.Collections;
024import java.util.List;
025import java.util.Map;
026import java.util.Properties;
027
028import javax.servlet.http.HttpServletRequest;
029import javax.servlet.http.HttpServletResponse;
030
031import org.apache.hadoop.conf.Configuration;
032import org.apache.oozie.ErrorCode;
033import org.apache.oozie.client.OozieClient.SYSTEM_MODE;
034import org.apache.oozie.client.rest.JMSConnectionInfoBean;
035import org.apache.oozie.client.rest.JsonBean;
036import org.apache.oozie.client.rest.JsonTags;
037import org.apache.oozie.client.rest.RestConstants;
038import org.apache.oozie.jms.JMSConnectionInfo;
039import org.apache.oozie.jms.JMSJobEventListener;
040import org.apache.oozie.service.CallableQueueService;
041import org.apache.oozie.service.JMSTopicService;
042import org.apache.oozie.service.Services;
043import org.json.simple.JSONArray;
044import org.json.simple.JSONObject;
045
046public class V1AdminServlet extends BaseAdminServlet {
047
048    private static final long serialVersionUID = 1L;
049    private static final String INSTRUMENTATION_NAME = "v1admin";
050    private static final ResourceInfo RESOURCES_INFO[] = new ResourceInfo[13];
051
052    static {
053        RESOURCES_INFO[0] = new ResourceInfo(RestConstants.ADMIN_STATUS_RESOURCE, Arrays.asList("PUT", "GET"),
054                                             Arrays.asList(new ParameterInfo(RestConstants.ADMIN_SYSTEM_MODE_PARAM, String.class, true,
055                                                                             Arrays.asList("PUT"))));
056        RESOURCES_INFO[1] = new ResourceInfo(RestConstants.ADMIN_OS_ENV_RESOURCE, Arrays.asList("GET"),
057                Collections.EMPTY_LIST);
058        RESOURCES_INFO[2] = new ResourceInfo(RestConstants.ADMIN_JAVA_SYS_PROPS_RESOURCE, Arrays.asList("GET"),
059                Collections.EMPTY_LIST);
060        RESOURCES_INFO[3] = new ResourceInfo(RestConstants.ADMIN_CONFIG_RESOURCE, Arrays.asList("GET"),
061                Collections.EMPTY_LIST);
062        RESOURCES_INFO[4] = new ResourceInfo(RestConstants.ADMIN_INSTRUMENTATION_RESOURCE, Arrays.asList("GET"),
063                Collections.EMPTY_LIST);
064        RESOURCES_INFO[5] = new ResourceInfo(RestConstants.ADMIN_BUILD_VERSION_RESOURCE, Arrays.asList("GET"),
065                Collections.EMPTY_LIST);
066        RESOURCES_INFO[6] = new ResourceInfo(RestConstants.ADMIN_QUEUE_DUMP_RESOURCE, Arrays.asList("GET"),
067                Collections.EMPTY_LIST);
068        RESOURCES_INFO[7] = new ResourceInfo((RestConstants.ADMIN_TIME_ZONES_RESOURCE), Arrays.asList("GET"),
069                Collections.EMPTY_LIST);
070        RESOURCES_INFO[8] = new ResourceInfo((RestConstants.ADMIN_JMS_INFO), Arrays.asList("GET"),
071                Collections.EMPTY_LIST);
072        RESOURCES_INFO[9] = new ResourceInfo(RestConstants.ADMIN_AVAILABLE_OOZIE_SERVERS_RESOURCE, Arrays.asList("GET"),
073                Collections.EMPTY_LIST);
074        RESOURCES_INFO[10] = new ResourceInfo(RestConstants.ADMIN_UPDATE_SHARELIB, Arrays.asList("GET"),
075                Collections.EMPTY_LIST);
076        RESOURCES_INFO[11] = new ResourceInfo(RestConstants.ADMIN_LIST_SHARELIB, Arrays.asList("GET"),
077                Collections.EMPTY_LIST);
078        RESOURCES_INFO[12] = new ResourceInfo(RestConstants.ADMIN_METRICS_RESOURCE, Arrays.asList("GET"),
079                Collections.EMPTY_LIST);
080
081    }
082
083    protected V1AdminServlet(String name) {
084        super(name, RESOURCES_INFO);
085        modeTag = RestConstants.ADMIN_SYSTEM_MODE_PARAM;
086    }
087
088    public V1AdminServlet() {
089        this(INSTRUMENTATION_NAME);
090    }
091
092    /*
093     * (non-Javadoc)
094     *
095     * @see
096     * org.apache.oozie.servlet.BaseAdminServlet#populateOozieMode(org.json.
097     * simple.JSONObject)
098     */
099    @SuppressWarnings("unchecked")
100    @Override
101    protected void populateOozieMode(JSONObject json) {
102        json.put(JsonTags.OOZIE_SYSTEM_MODE, Services.get().getSystemMode().toString());
103    }
104
105    /*
106     * (non-Javadoc)
107     *
108     * @see
109     * org.apache.oozie.servlet.BaseAdminServlet#setOozieMode(javax.servlet.
110     * http.HttpServletRequest, javax.servlet.http.HttpServletResponse,
111     * java.lang.String)
112     */
113    @Override
114    protected void setOozieMode(HttpServletRequest request,
115                                HttpServletResponse response, String resourceName)
116            throws XServletException {
117        if (resourceName.equals(RestConstants.ADMIN_STATUS_RESOURCE)) {
118            SYSTEM_MODE sysMode = SYSTEM_MODE.valueOf(request.getParameter(modeTag));
119            Services.get().setSystemMode(sysMode);
120            response.setStatus(HttpServletResponse.SC_OK);
121        }
122        else {
123            throw new XServletException(HttpServletResponse.SC_BAD_REQUEST,
124                                        ErrorCode.E0301, resourceName);
125        }
126    }
127
128    /**
129     * Get a json array of queue dump and a json array of unique map dump
130     *
131     * @param JSONObject the result json object that contains a JSONArray for the callable dump
132     *
133     * @see
134     * org.apache.oozie.servlet.BaseAdminServlet#getQueueDump(org.json.simple
135     * .JSONObject)
136     */
137    @SuppressWarnings("unchecked")
138    @Override
139    protected void getQueueDump(JSONObject json) throws XServletException {
140        List<String> queueDumpList = Services.get().get(CallableQueueService.class).getQueueDump();
141        JSONArray queueDumpArray = new JSONArray();
142        for (String str: queueDumpList) {
143            JSONObject jObject = new JSONObject();
144            jObject.put(JsonTags.CALLABLE_DUMP, str);
145            queueDumpArray.add(jObject);
146        }
147        json.put(JsonTags.QUEUE_DUMP, queueDumpArray);
148
149        List<String> uniqueDumpList = Services.get().get(CallableQueueService.class).getUniqueDump();
150        JSONArray uniqueDumpArray = new JSONArray();
151        for (String str: uniqueDumpList) {
152            JSONObject jObject = new JSONObject();
153            jObject.put(JsonTags.UNIQUE_ENTRY_DUMP, str);
154            uniqueDumpArray.add(jObject);
155        }
156        json.put(JsonTags.UNIQUE_MAP_DUMP, uniqueDumpArray);
157    }
158
159    @Override
160    protected JsonBean getJMSConnectionInfo(HttpServletRequest request, HttpServletResponse response) throws XServletException,
161            IOException {
162        throw new XServletException(HttpServletResponse.SC_BAD_REQUEST, ErrorCode.E0302, "Not supported in v1");
163    }
164
165    @Override
166    protected Map<String, String> getOozieURLs() throws XServletException {
167        throw new XServletException(HttpServletResponse.SC_BAD_REQUEST, ErrorCode.E0302, "Not supported in v1");
168    }
169
170    @Override
171    protected void sendMetricsResponse(HttpServletResponse response) throws IOException, XServletException {
172        throw new XServletException(HttpServletResponse.SC_BAD_REQUEST, ErrorCode.E0302, "Not supported in v1");
173    }
174}