/**
* 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.oozie.servlet;
import java.io.IOException;
import java.util.Map;
import java.util.Properties;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.hadoop.conf.Configuration;
import org.apache.oozie.ErrorCode;
import org.apache.oozie.client.rest.JMSConnectionInfoBean;
import org.apache.oozie.client.rest.JsonBean;
import org.apache.oozie.jms.JMSConnectionInfo;
import org.apache.oozie.jms.JMSJobEventListener;
import org.apache.oozie.service.InstrumentationService;
import org.apache.oozie.service.JMSTopicService;
import org.apache.oozie.service.JobsConcurrencyService;
import org.apache.oozie.service.Services;
import org.apache.oozie.util.Instrumentation;
import org.apache.oozie.util.MetricsInstrumentation;
/**
* V2 admin servlet
*
*/
public class V2AdminServlet extends V1AdminServlet {
private static final long serialVersionUID = 1L;
private static final String INSTRUMENTATION_NAME = "v2admin";
private static MetricsInstrumentation metricsInstrumentation = null;
public V2AdminServlet() {
super(INSTRUMENTATION_NAME);
// If MetricsInstrumentationService is used, we will enable the metrics endpoint and disable the instrumentation endpoint
Services services = Services.get();
if (services != null) {
Instrumentation instrumentation = services.get(InstrumentationService.class).get();
if (instrumentation instanceof MetricsInstrumentation) {
metricsInstrumentation = (MetricsInstrumentation) instrumentation;
}
}
}
@Override
protected JsonBean getJMSConnectionInfo(HttpServletRequest request, HttpServletResponse response)
throws XServletException, IOException {
Configuration conf = Services.get().getConf();
JMSTopicService jmsTopicService = Services.get().get(JMSTopicService.class);
String connectionProperties = conf.get(JMSJobEventListener.JMS_CONNECTION_PROPERTIES);
if (connectionProperties == null) {
throw new XServletException(HttpServletResponse.SC_BAD_REQUEST, ErrorCode.E1601,
"JMS connection property is not defined");
}
JMSConnectionInfoBean jmsBean = new JMSConnectionInfoBean();
JMSConnectionInfo jmsInfo = new JMSConnectionInfo(connectionProperties);
Properties jmsInfoProps = jmsInfo.getJNDIProperties();
jmsInfoProps.remove("java.naming.security.principal");
jmsBean.setJNDIProperties(jmsInfoProps);
if (jmsTopicService != null) {
jmsBean.setTopicPrefix(jmsTopicService.getTopicPrefix());
jmsBean.setTopicPatternProperties(jmsTopicService.getTopicPatternProperties());
}
else {
throw new XServletException(
HttpServletResponse.SC_BAD_REQUEST,
ErrorCode.E1601,
"JMSTopicService is not initialized. JMS notification"
+ "may not be enabled");
}
return jmsBean;
}
@Override
protected Map<String, String> getOozieURLs() throws XServletException {
Map<String, String> serverUrls = null;
try {
serverUrls = Services.get().get(JobsConcurrencyService.class).getServerUrls();
} catch (Exception ex) {
throw new XServletException(HttpServletResponse.SC_BAD_REQUEST, ErrorCode.E0307, ex.getMessage(), ex);
}
return serverUrls;
}
@Override
protected void sendMetricsResponse(HttpServletResponse response) throws IOException, XServletException {
if (metricsInstrumentation != null) {
response.setStatus(HttpServletResponse.SC_OK);
response.setContentType(JSON_UTF8);
try {
metricsInstrumentation.writeJSONResponse(response.getOutputStream());
} finally {
response.getOutputStream().close();
}
} else {
response.setStatus(HttpServletResponse.SC_SERVICE_UNAVAILABLE);
response.sendError(HttpServletResponse.SC_SERVICE_UNAVAILABLE, "MetricsInstrumentationService is not running");
}
}
@Override
protected void sendInstrumentationResponse(HttpServletResponse response, Instrumentation instr)
throws IOException, XServletException {
if (metricsInstrumentation == null) {
super.sendInstrumentationResponse(response, instr);
} else {
response.setStatus(HttpServletResponse.SC_SERVICE_UNAVAILABLE);
response.sendError(HttpServletResponse.SC_SERVICE_UNAVAILABLE, "InstrumentationService is not running");
}
}
}