/**
* Licensed to Cloudera, Inc. under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. Cloudera, Inc. 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 com.cloudera.util;
import static com.cloudera.flume.master.TestMasterJersey.curl;
import java.io.IOException;
import org.junit.Test;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import com.cloudera.flume.agent.FlumeNode;
import com.cloudera.flume.conf.FlumeConfiguration;
/**
* This tests the behavior of rapidly opening and closing the http server.
* Things are sane.
*/
public class TestStatusHttpServer {
public static final Logger LOG = LoggerFactory
.getLogger(TestStatusHttpServer.class);
@Test
public void testOpenClose() throws IOException, Exception {
// Set directory of webapps to build-specific dir
FlumeConfiguration.get().set(FlumeConfiguration.WEBAPPS_PATH,
"build/webapps");
FlumeConfiguration conf = FlumeConfiguration.get();
String webPath = FlumeNode.getWebPath(conf);
int port = FlumeConfiguration.get().getNodeStatusPort();
StatusHttpServer http = new StatusHttpServer("flumeagent", webPath,
"0.0.0.0", port, false);
for (int i = 0; i < 50; i++) {
http.start();
http.stop();
}
}
/**
* This tests to make sure that auto find port works. Two http servers are
* assigned to the same port -- the second one should detect the conflict and
* then pick the next port to bind and serve from. curl will throw exception
* on failure.
*/
@Test
public void testAutoFindPort() throws IOException, Exception {
// Set directory of webapps to build-specific dir
FlumeConfiguration.get().set(FlumeConfiguration.WEBAPPS_PATH,
"build/webapps");
FlumeConfiguration conf = FlumeConfiguration.get();
String webPath = FlumeNode.getWebPath(conf);
int port = FlumeConfiguration.get().getNodeStatusPort();
StatusHttpServer http = new StatusHttpServer("flumeagent", webPath,
"0.0.0.0", port, true);
http.start();
StatusHttpServer http2 = new StatusHttpServer("flumeagent", webPath,
"0.0.0.0", port, true);
http2.start();
String s1 = curl("http://localhost:35862");
LOG.info("http1:" + s1);
String s2 = curl("http://localhost:35863");
LOG.info("http2:" + s2);
http.stop();
http2.stop();
}
}