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.Map; 024 025import javax.servlet.http.HttpServletRequest; 026import javax.servlet.http.HttpServletResponse; 027 028import org.apache.oozie.ErrorCode; 029import org.apache.oozie.client.OozieClient.SYSTEM_MODE; 030import org.apache.oozie.client.rest.JsonBean; 031import org.apache.oozie.client.rest.JsonTags; 032import org.apache.oozie.client.rest.RestConstants; 033import org.apache.oozie.service.Services; 034import org.json.simple.JSONObject; 035 036@SuppressWarnings("unchecked") 037public class V0AdminServlet extends BaseAdminServlet { 038 private static final long serialVersionUID = 1L; 039 private static final String INSTRUMENTATION_NAME = "v0admin"; 040 private static final ResourceInfo RESOURCES_INFO[] = new ResourceInfo[6]; 041 042 static { 043 RESOURCES_INFO[0] = new ResourceInfo(RestConstants.ADMIN_STATUS_RESOURCE, Arrays.asList("PUT", "GET"), 044 Arrays.asList(new ParameterInfo(RestConstants.ADMIN_SAFE_MODE_PARAM, Boolean.class, true, 045 Arrays.asList("PUT")))); 046 RESOURCES_INFO[1] = new ResourceInfo(RestConstants.ADMIN_OS_ENV_RESOURCE, Arrays.asList("GET"), 047 Collections.EMPTY_LIST); 048 RESOURCES_INFO[2] = new ResourceInfo(RestConstants.ADMIN_JAVA_SYS_PROPS_RESOURCE, Arrays.asList("GET"), 049 Collections.EMPTY_LIST); 050 RESOURCES_INFO[3] = new ResourceInfo(RestConstants.ADMIN_CONFIG_RESOURCE, Arrays.asList("GET"), 051 Collections.EMPTY_LIST); 052 RESOURCES_INFO[4] = new ResourceInfo(RestConstants.ADMIN_INSTRUMENTATION_RESOURCE, Arrays.asList("GET"), 053 Collections.EMPTY_LIST); 054 RESOURCES_INFO[5] = new ResourceInfo(RestConstants.ADMIN_BUILD_VERSION_RESOURCE, Arrays.asList("GET"), 055 Collections.EMPTY_LIST); 056 } 057 058 public V0AdminServlet() { 059 super(INSTRUMENTATION_NAME, RESOURCES_INFO); 060 modeTag = RestConstants.ADMIN_SAFE_MODE_PARAM; 061 } 062 063 /* 064 * (non-Javadoc) 065 * 066 * @see 067 * org.apache.oozie.servlet.BaseAdminServlet#populateOozieMode(org.json. 068 * simple.JSONObject) 069 */ 070 @Override 071 protected void populateOozieMode(JSONObject json) { 072 if (Services.get().getSystemMode() != SYSTEM_MODE.NORMAL) { 073 json.put(JsonTags.OOZIE_SAFE_MODE, true); 074 } 075 else { 076 json.put(JsonTags.OOZIE_SAFE_MODE, false); 077 } 078 } 079 080 /* 081 * (non-Javadoc) 082 * 083 * @see 084 * org.apache.oozie.servlet.BaseAdminServlet#setOozieMode(javax.servlet. 085 * http.HttpServletRequest, javax.servlet.http.HttpServletResponse, 086 * java.lang.String) 087 */ 088 @Override 089 protected void setOozieMode(HttpServletRequest request, HttpServletResponse response, String resourceName) 090 throws XServletException { 091 if (resourceName.equals(RestConstants.ADMIN_STATUS_RESOURCE)) { 092 boolean safeMode = Boolean.parseBoolean(request.getParameter(modeTag)); 093 //Services.get().setSafeMode(safeMode); 094 SYSTEM_MODE sysMode = safeMode == true ? SYSTEM_MODE.NOWEBSERVICE : SYSTEM_MODE.NORMAL; 095 System.out.println(modeTag + " DDDD " + sysMode); 096 Services.get().setSystemMode(sysMode); 097 response.setStatus(HttpServletResponse.SC_OK); 098 } 099 else { 100 throw new XServletException(HttpServletResponse.SC_BAD_REQUEST, 101 ErrorCode.E0301, resourceName); 102 } 103 } 104 105 /* 106 * (non-Javadoc) 107 * 108 * @see 109 * org.apache.oozie.servlet.BaseAdminServlet#getQueueDump(org.json.simple 110 * .JSONObject) 111 */ 112 @Override 113 protected void getQueueDump(JSONObject json) throws XServletException { 114 throw new XServletException(HttpServletResponse.SC_BAD_REQUEST, ErrorCode.E0301, "cannot get queue dump"); 115 } 116 117 @Override 118 protected JsonBean getJMSConnectionInfo(HttpServletRequest request, HttpServletResponse response) throws XServletException, 119 IOException { 120 throw new XServletException(HttpServletResponse.SC_BAD_REQUEST, ErrorCode.E0302, "Not supported in v0"); 121 } 122 123 @Override 124 protected Map<String, String> getOozieURLs() throws XServletException { 125 throw new XServletException(HttpServletResponse.SC_BAD_REQUEST, ErrorCode.E0302, "Not supported in v0"); 126 } 127 128 @Override 129 protected void sendMetricsResponse(HttpServletResponse response) throws IOException, XServletException { 130 throw new XServletException(HttpServletResponse.SC_BAD_REQUEST, ErrorCode.E0302, "Not supported in v0"); 131 } 132}