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TEZ-4352: Add a web ui interface for TezChild
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67 changes: 67 additions & 0 deletions
67
tez-runtime-internals/src/main/java/org/apache/tez/runtime/web/TezChildWebController.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,67 @@ | ||
| /** | ||
| * 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. | ||
| */ | ||
|
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| package org.apache.tez.runtime.web; | ||
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| import java.io.PrintWriter; | ||
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| import org.apache.hadoop.yarn.webapp.Controller; | ||
| import org.apache.hadoop.yarn.webapp.MimeType; | ||
| import org.apache.hadoop.yarn.webapp.View; | ||
| import org.apache.tez.runtime.api.ExecutionContext; | ||
| import org.apache.tez.runtime.api.impl.ExecutionContextImpl; | ||
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| import com.google.inject.Inject; | ||
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| public class TezChildWebController extends Controller { | ||
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| @Inject | ||
| public TezChildWebController(RequestContext requestContext) { | ||
| super(requestContext); | ||
| } | ||
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| @Override | ||
| public void index() { | ||
| ui(); | ||
| } | ||
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| public void ui() { | ||
| render(StaticTezChildView.class); | ||
| } | ||
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| public static class StaticTezChildView extends View { | ||
| @Inject | ||
| ExecutionContextImpl executionContext; | ||
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| @Override | ||
| public void render() { | ||
| response().setContentType(MimeType.HTML); | ||
| PrintWriter pw = writer(); | ||
| pw.write("<html><head><meta charset=\\\"utf-8\\\"><title>TezChild UI</title>"); | ||
| pw.write("</head><body>"); | ||
| pw.write(String.format("<h1>TezChild UI</h1> <h2>%s, %s</h2> %s :: %s :: %s", executionContext.getHostName(), | ||
| executionContext.getContainerId(), getLink("jmx"), getLink("conf"), getLink("stacks"))); | ||
| pw.write("</body></html>"); | ||
| pw.flush(); | ||
| } | ||
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| private String getLink(String path) { | ||
| return "<a href=\"/" + path + "\">" + path + "</a>"; | ||
| } | ||
| } | ||
| } |
105 changes: 105 additions & 0 deletions
105
tez-runtime-internals/src/main/java/org/apache/tez/runtime/web/TezChildWebUIService.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,105 @@ | ||
| /** | ||
| * 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.tez.runtime.web; | ||
|
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| import java.net.InetSocketAddress; | ||
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| import org.apache.hadoop.conf.Configuration; | ||
| import org.apache.hadoop.net.NetUtils; | ||
| import org.apache.hadoop.yarn.webapp.WebApp; | ||
| import org.apache.hadoop.yarn.webapp.WebApps; | ||
| import org.apache.tez.common.web.ServletToControllerAdapters.ConfServletController; | ||
| import org.apache.tez.common.web.ServletToControllerAdapters.JMXJsonServletController; | ||
| import org.apache.tez.common.web.ServletToControllerAdapters.StackServletController; | ||
| import org.apache.tez.dag.api.TezConfiguration; | ||
| import org.apache.tez.dag.api.TezUncheckedException; | ||
| import org.apache.tez.runtime.api.ExecutionContext; | ||
| import org.apache.tez.runtime.api.impl.ExecutionContextImpl; | ||
| import org.slf4j.Logger; | ||
| import org.slf4j.LoggerFactory; | ||
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| public class TezChildWebUIService { | ||
| private static final Logger LOG = LoggerFactory.getLogger(TezChildWebUIService.class); | ||
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| private Configuration conf; | ||
| private ExecutionContext executionContext; | ||
| private TezChildWebApp tezChildWebApp; | ||
| private WebApp webApp; | ||
| private String baseUrl = ""; //url without paths, like http://host:port | ||
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| public TezChildWebUIService(Configuration conf, ExecutionContext executionContext) { | ||
| this.tezChildWebApp = new TezChildWebApp(executionContext); | ||
| this.conf = conf; | ||
| this.executionContext = executionContext; | ||
| } | ||
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| public TezChildWebUIService start() { | ||
| try { | ||
| if (conf.get(TezConfiguration.TEZ_TASK_WEBSERVICE_PORT_RANGE) == null) { | ||
| conf.set(TezConfiguration.TEZ_TASK_WEBSERVICE_PORT_RANGE, | ||
| TezConfiguration.TEZ_TASK_WEBSERVICE_PORT_RANGE_DEFAULT); | ||
| LOG.info( | ||
| "Using default port range for WebUIService: " + conf.get(TezConfiguration.TEZ_TASK_WEBSERVICE_PORT_RANGE)); | ||
| } | ||
| this.webApp = WebApps.$for(this.tezChildWebApp).with(conf) | ||
| .withPortRange(conf, TezConfiguration.TEZ_TASK_WEBSERVICE_PORT_RANGE).start(this.tezChildWebApp); | ||
| InetSocketAddress address = webApp.getListenerAddress(); | ||
| if (address != null) { | ||
| String hostname = executionContext.getHostName(); | ||
| InetSocketAddress bindAddress = NetUtils.createSocketAddrForHost(hostname, address.getPort()); | ||
| final int port = address.getPort(); | ||
| if (bindAddress.getAddress() != null && bindAddress.getAddress().getCanonicalHostName() != null) { | ||
| hostname = bindAddress.getAddress().getCanonicalHostName(); | ||
| } else { | ||
| LOG.warn("Failed to resolve canonical hostname for " + hostname); | ||
| } | ||
| baseUrl = String.format("http://%s:%d", hostname, port); | ||
| LOG.info("Instantiated TezChild WebUIService at " + baseUrl + "/ui"); | ||
| } | ||
| } catch (Exception e) { | ||
| LOG.error("TezChild WebUIService failed to start.", e); | ||
| throw new TezUncheckedException(e); | ||
| } | ||
| return this; | ||
| } | ||
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| public void stop() { | ||
| if (this.webApp != null) { | ||
| LOG.debug("Stopping WebApp"); | ||
| this.webApp.stop(); | ||
| } | ||
| } | ||
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| private static class TezChildWebApp extends WebApp { | ||
| private ExecutionContext executionContext; | ||
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| public TezChildWebApp(ExecutionContext executionContext) { | ||
| this.executionContext = executionContext; | ||
| } | ||
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| @Override | ||
| public void setup() { | ||
| bind(ExecutionContextImpl.class).toInstance((ExecutionContextImpl) executionContext); | ||
| route("/", TezChildWebController.class, "ui"); | ||
| route("/ui", TezChildWebController.class, "ui"); | ||
| route("/jmx", JMXJsonServletController.class); | ||
| route("/conf", ConfServletController.class); | ||
| route("/stacks", StackServletController.class); | ||
| } | ||
| } | ||
| } |
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