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HADOOP-7594. Support HTTP REST in HttpServer. 

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1163858 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Tsz-wo Sze 2011-08-31 22:58:03 +00:00
parent 2b016dac82
commit 19523b6a2b
6 changed files with 149 additions and 8 deletions
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2
hadoop-common-project/hadoop-common/CHANGES.txt
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@ -350,6 +350,8 @@ Release 0.23.0 - Unreleased
HADOOP-7579. Rename package names from alfredo to auth.
(Alejandro Abdelnur via szetszwo)
HADOOP-7594. Support HTTP REST in HttpServer. (szetszwo)
OPTIMIZATIONS
HADOOP-7333. Performance improvement in PureJavaCrc32. (Eric Caspole

22
hadoop-common-project/hadoop-common/pom.xml
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@ -92,6 +92,28 @@
<artifactId>jetty-util</artifactId>
<scope>compile</scope>
</dependency>
<dependency>
<groupId>asm</groupId>
<artifactId>asm</artifactId>
<scope>compile</scope>
</dependency>
<dependency>
<groupId>com.sun.jersey</groupId>
<artifactId>jersey-core</artifactId>
<scope>compile</scope>
</dependency>
<dependency>
<groupId>com.sun.jersey</groupId>
<artifactId>jersey-json</artifactId>
<scope>compile</scope>
</dependency>
<dependency>
<groupId>com.sun.jersey</groupId>
<artifactId>jersey-server</artifactId>
<scope>compile</scope>
</dependency>
<dependency>
<groupId>tomcat</groupId>
<artifactId>jasper-compiler</artifactId>

24
hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/http/HttpServer.java
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@ -48,16 +48,12 @@ import org.apache.hadoop.classification.InterfaceStability;
import org.apache.hadoop.conf.ConfServlet;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.fs.CommonConfigurationKeys;
import org.apache.hadoop.http.AdminAuthorizedServlet;
import org.apache.hadoop.http.FilterContainer;
import org.apache.hadoop.http.FilterInitializer;
import org.apache.hadoop.http.HtmlQuoting;
import org.apache.hadoop.jmx.JMXJsonServlet;
import org.apache.hadoop.log.LogLevel;
import org.apache.hadoop.metrics.MetricsServlet;
import org.apache.hadoop.security.Krb5AndCertsSslSocketConnector;
import org.apache.hadoop.security.UserGroupInformation;
import org.apache.hadoop.security.Krb5AndCertsSslSocketConnector.MODE;
import org.apache.hadoop.security.UserGroupInformation;
import org.apache.hadoop.security.authorize.AccessControlList;
import org.apache.hadoop.util.ReflectionUtils;
import org.mortbay.io.Buffer;
@ -79,6 +75,8 @@ import org.mortbay.jetty.webapp.WebAppContext;
import org.mortbay.thread.QueuedThreadPool;
import org.mortbay.util.MultiException;
import com.sun.jersey.spi.container.servlet.ServletContainer;
/**
* Create a Jetty embedded server to answer http requests. The primary goal
* is to serve up status information for the server.
@ -325,6 +323,22 @@ public class HttpServer implements FilterContainer {
webAppContext.setAttribute(name, value);
}
/**
* Add a Jersey resource package.
* @param packageName The Java package name containing the Jersey resource.
* @param pathSpec The path spec for the servlet
*/
public void addJerseyResourcePackage(final String packageName,
final String pathSpec) {
LOG.info("addJerseyResourcePackage: packageName=" + packageName
+ ", pathSpec=" + pathSpec);
final ServletHolder sh = new ServletHolder(ServletContainer.class);
sh.setInitParameter("com.sun.jersey.config.property.resourceConfigClass",
"com.sun.jersey.api.core.PackagesResourceConfig");
sh.setInitParameter("com.sun.jersey.config.property.packages", packageName);
webAppContext.addServlet(sh, pathSpec);
}
/**
* Add a servlet in the server.
* @param name The name of the servlet (can be passed as null)

23
hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/http/TestHttpServer.java
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@ -50,6 +50,7 @@ import org.apache.commons.logging.LogFactory;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.fs.CommonConfigurationKeys;
import org.apache.hadoop.http.HttpServer.QuotingInputFilter.RequestQuoter;
import org.apache.hadoop.http.resource.JerseyResource;
import org.apache.hadoop.security.Groups;
import org.apache.hadoop.security.ShellBasedUnixGroupsMapping;
import org.apache.hadoop.security.authorize.AccessControlList;
@ -57,6 +58,7 @@ import org.junit.AfterClass;
import org.junit.BeforeClass;
import org.junit.Test;
import org.mockito.Mockito;
import org.mortbay.util.ajax.JSON;
public class TestHttpServer extends HttpServerFunctionalTest {
static final Log LOG = LogFactory.getLog(TestHttpServer.class);
@ -73,7 +75,7 @@ public class TestHttpServer extends HttpServerFunctionalTest {
) throws ServletException, IOException {
PrintWriter out = response.getWriter();
Map<String, String[]> params = request.getParameterMap();
SortedSet<String> keys = new TreeSet(params.keySet());
SortedSet<String> keys = new TreeSet<String>(params.keySet());
for(String key: keys) {
out.print(key);
out.print(':');
@ -99,7 +101,7 @@ public class TestHttpServer extends HttpServerFunctionalTest {
HttpServletResponse response
) throws ServletException, IOException {
PrintWriter out = response.getWriter();
SortedSet<String> sortedKeys = new TreeSet();
SortedSet<String> sortedKeys = new TreeSet<String>();
Enumeration<String> keys = request.getParameterNames();
while(keys.hasMoreElements()) {
sortedKeys.add(keys.nextElement());
@ -116,7 +118,6 @@ public class TestHttpServer extends HttpServerFunctionalTest {
@SuppressWarnings("serial")
public static class HtmlContentServlet extends HttpServlet {
@SuppressWarnings("unchecked")
@Override
public void doGet(HttpServletRequest request,
HttpServletResponse response
@ -135,6 +136,8 @@ public class TestHttpServer extends HttpServerFunctionalTest {
server.addServlet("echo", "/echo", EchoServlet.class);
server.addServlet("echomap", "/echomap", EchoMapServlet.class);
server.addServlet("htmlcontent", "/htmlcontent", HtmlContentServlet.class);
server.addJerseyResourcePackage(
JerseyResource.class.getPackage().getName(), "/jersey/*");
server.start();
baseUrl = getServerURL(server);
LOG.info("HTTP server started: "+ baseUrl);
@ -405,4 +408,18 @@ public class TestHttpServer extends HttpServerFunctionalTest {
values, parameterValues));
}
@SuppressWarnings("unchecked")
private static Map<String, Object> parse(String jsonString) {
return (Map<String, Object>)JSON.parse(jsonString);
}
@Test public void testJersey() throws Exception {
LOG.info("BEGIN testJersey()");
final String js = readOutput(new URL(baseUrl, "/jersey/foo?op=bar"));
final Map<String, Object> m = parse(js);
LOG.info("m=" + m);
assertEquals("foo", m.get(JerseyResource.PATH));
assertEquals("bar", m.get(JerseyResource.OP));
LOG.info("END testJersey()");
}
}

64
hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/http/resource/JerseyResource.java Normal file
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@ -0,0 +1,64 @@
/**
* 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.hadoop.http.resource;
import java.io.IOException;
import java.util.Map;
import java.util.TreeMap;
import javax.ws.rs.DefaultValue;
import javax.ws.rs.GET;
import javax.ws.rs.Path;
import javax.ws.rs.PathParam;
import javax.ws.rs.Produces;
import javax.ws.rs.QueryParam;
import javax.ws.rs.core.MediaType;
import javax.ws.rs.core.Response;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.mortbay.util.ajax.JSON;
/**
* A simple Jersey resource class TestHttpServer.
* The servlet simply puts the path and the op parameter in a map
* and return it in JSON format in the response.
*/
@Path("")
public class JerseyResource {
static final Log LOG = LogFactory.getLog(JerseyResource.class);
public static final String PATH = "path";
public static final String OP = "op";
@GET
@Path("{" + PATH + ":.*}")
@Produces({MediaType.APPLICATION_JSON})
public Response get(
@PathParam(PATH) @DefaultValue("UNKNOWN_" + PATH) final String path,
@QueryParam(OP) @DefaultValue("UNKNOWN_" + OP) final String op
) throws IOException {
LOG.info("get: " + PATH + "=" + path + ", " + OP + "=" + op);
final Map<String, Object> m = new TreeMap<String, Object>();
m.put(PATH, path);
m.put(OP, op);
final String js = JSON.toString(m);
return Response.ok(js).type(MediaType.APPLICATION_JSON).build();
}
}

22
hadoop-project/pom.xml
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@ -168,6 +168,28 @@
<artifactId>jetty-util</artifactId>
<version>6.1.26</version>
</dependency>
<dependency>
<groupId>asm</groupId>
<artifactId>asm</artifactId>
<version>3.2</version>
</dependency>
<dependency>
<groupId>com.sun.jersey</groupId>
<artifactId>jersey-core</artifactId>
<version>1.8</version>
</dependency>
<dependency>
<groupId>com.sun.jersey</groupId>
<artifactId>jersey-json</artifactId>
<version>1.8</version>
</dependency>
<dependency>
<groupId>com.sun.jersey</groupId>
<artifactId>jersey-server</artifactId>
<version>1.8</version>
</dependency>
<dependency>
<groupId>tomcat</groupId>
<artifactId>jasper-compiler</artifactId>