| /* |
| * 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.hbase.http.jmx; |
| |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertFalse; |
| import static org.junit.Assert.assertTrue; |
| |
| import java.net.HttpURLConnection; |
| import java.net.URL; |
| import java.net.URLEncoder; |
| import java.util.regex.Matcher; |
| import java.util.regex.Pattern; |
| import javax.servlet.http.HttpServletResponse; |
| import org.apache.hadoop.hbase.HBaseClassTestRule; |
| import org.apache.hadoop.hbase.http.HttpServer; |
| import org.apache.hadoop.hbase.http.HttpServerFunctionalTest; |
| import org.apache.hadoop.hbase.testclassification.MiscTests; |
| import org.apache.hadoop.hbase.testclassification.SmallTests; |
| import org.junit.AfterClass; |
| import org.junit.BeforeClass; |
| import org.junit.ClassRule; |
| import org.junit.Test; |
| import org.junit.experimental.categories.Category; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| @Category({ MiscTests.class, SmallTests.class }) |
| public class TestJMXJsonServlet extends HttpServerFunctionalTest { |
| |
| @ClassRule |
| public static final HBaseClassTestRule CLASS_RULE = |
| HBaseClassTestRule.forClass(TestJMXJsonServlet.class); |
| |
| private static final Logger LOG = LoggerFactory.getLogger(TestJMXJsonServlet.class); |
| private static HttpServer server; |
| private static URL baseUrl; |
| |
| @BeforeClass |
| public static void setup() throws Exception { |
| // Eclipse doesn't pick this up correctly from the plugin |
| // configuration in the pom. |
| System.setProperty(HttpServerFunctionalTest.TEST_BUILD_WEBAPPS, "target/test-classes/webapps"); |
| server = createTestServer(); |
| server.start(); |
| baseUrl = getServerURL(server); |
| } |
| |
| @AfterClass |
| public static void cleanup() throws Exception { |
| server.stop(); |
| } |
| |
| public static void assertReFind(String re, String value) { |
| Pattern p = Pattern.compile(re); |
| Matcher m = p.matcher(value); |
| assertTrue("'" + p + "' does not match " + value, m.find()); |
| } |
| |
| public static void assertNotFind(String re, String value) { |
| Pattern p = Pattern.compile(re); |
| Matcher m = p.matcher(value); |
| assertFalse("'" + p + "' should not match " + value, m.find()); |
| } |
| |
| @Test |
| public void testQuery() throws Exception { |
| String result = readOutput(new URL(baseUrl, "/jmx?qry=java.lang:type=Runtime")); |
| LOG.info("/jmx?qry=java.lang:type=Runtime RESULT: " + result); |
| assertReFind("\"name\"\\s*:\\s*\"java.lang:type=Runtime\"", result); |
| assertReFind("\"modelerType\"", result); |
| |
| result = readOutput(new URL(baseUrl, "/jmx?qry=java.lang:type=Memory")); |
| LOG.info("/jmx?qry=java.lang:type=Memory RESULT: " + result); |
| assertReFind("\"name\"\\s*:\\s*\"java.lang:type=Memory\"", result); |
| assertReFind("\"modelerType\"", result); |
| |
| result = readOutput(new URL(baseUrl, "/jmx")); |
| LOG.info("/jmx RESULT: " + result); |
| assertReFind("\"name\"\\s*:\\s*\"java.lang:type=Memory\"", result); |
| |
| // test to get an attribute of a mbean |
| result = readOutput(new URL(baseUrl, "/jmx?get=java.lang:type=Memory::HeapMemoryUsage")); |
| LOG.info("/jmx RESULT: " + result); |
| assertReFind("\"name\"\\s*:\\s*\"java.lang:type=Memory\"", result); |
| assertReFind("\"committed\"\\s*:", result); |
| |
| // negative test to get an attribute of a mbean |
| result = readOutput(new URL(baseUrl, "/jmx?get=java.lang:type=Memory::")); |
| LOG.info("/jmx RESULT: " + result); |
| assertReFind("\"ERROR\"", result); |
| |
| // test to get JSONP result |
| result = readOutput(new URL(baseUrl, "/jmx?qry=java.lang:type=Memory&callback=mycallback1")); |
| LOG.info("/jmx?qry=java.lang:type=Memory&callback=mycallback RESULT: " + result); |
| assertReFind("^mycallback1\\(\\{", result); |
| assertReFind("\\}\\);$", result); |
| |
| // negative test to get an attribute of a mbean as JSONP |
| result = readOutput(new URL(baseUrl, "/jmx?get=java.lang:type=Memory::&callback=mycallback2")); |
| LOG.info("/jmx RESULT: " + result); |
| assertReFind("^mycallback2\\(\\{", result); |
| assertReFind("\"ERROR\"", result); |
| assertReFind("\\}\\);$", result); |
| |
| // test to get an attribute of a mbean as JSONP |
| result = readOutput( |
| new URL(baseUrl, "/jmx?get=java.lang:type=Memory::HeapMemoryUsage&callback=mycallback3")); |
| LOG.info("/jmx RESULT: " + result); |
| assertReFind("^mycallback3\\(\\{", result); |
| assertReFind("\"name\"\\s*:\\s*\"java.lang:type=Memory\"", result); |
| assertReFind("\"committed\"\\s*:", result); |
| assertReFind("\\}\\);$", result); |
| |
| // test exclude the specific mbean |
| result = |
| readOutput(new URL(baseUrl, "/jmx?excl=Hadoop:service=HBase,name=RegionServer,sub=Regions")); |
| LOG.info("/jmx RESULT: " + result); |
| assertNotFind("\"name\"\\s*:\\s*\"Hadoop:service=HBase,name=RegionServer,sub=Regions\"", |
| result); |
| } |
| |
| @Test |
| public void testGetPattern() throws Exception { |
| // test to get an attribute of a mbean as JSONP |
| String result = |
| readOutput(new URL(baseUrl, "/jmx?get=java.lang:type=Memory::[a-zA-z_]*NonHeapMemoryUsage")); |
| LOG.info("/jmx RESULT: " + result); |
| assertReFind("\"name\"\\s*:\\s*\"java.lang:type=Memory\"", result); |
| assertReFind("\"committed\"\\s*:", result); |
| assertReFind("\"NonHeapMemoryUsage\"\\s*:", result); |
| assertNotFind("\"HeapMemoryUsage\"\\s*:", result); |
| |
| result = readOutput(new URL(baseUrl, "/jmx?get=java.lang:type=Memory::[^Non]*HeapMemoryUsage")); |
| LOG.info("/jmx RESULT: " + result); |
| assertReFind("\"name\"\\s*:\\s*\"java.lang:type=Memory\"", result); |
| assertReFind("\"committed\"\\s*:", result); |
| assertReFind("\"HeapMemoryUsage\"\\s*:", result); |
| assertNotFind("\"NonHeapHeapMemoryUsage\"\\s*:", result); |
| |
| result = readOutput(new URL(baseUrl, |
| "/jmx?get=java.lang:type=Memory::[a-zA-z_]*HeapMemoryUsage,[a-zA-z_]*NonHeapMemoryUsage")); |
| LOG.info("/jmx RESULT: " + result); |
| assertReFind("\"name\"\\s*:\\s*\"java.lang:type=Memory\"", result); |
| assertReFind("\"committed\"\\s*:", result); |
| } |
| |
| @Test |
| public void testPatternMatching() throws Exception { |
| assertReFind("[a-zA-z_]*Table1[a-zA-z_]*memStoreSize", |
| "Namespace_default_table_Table1_metric_memStoreSize"); |
| assertReFind("[a-zA-z_]*memStoreSize", "Namespace_default_table_Table1_metric_memStoreSize"); |
| } |
| |
| @Test |
| public void testDisallowedJSONPCallback() throws Exception { |
| String callback = "function(){alert('bigproblems!')};foo"; |
| URL url = new URL(baseUrl, |
| "/jmx?qry=java.lang:type=Memory&callback=" + URLEncoder.encode(callback, "UTF-8")); |
| HttpURLConnection cnxn = (HttpURLConnection) url.openConnection(); |
| assertEquals(HttpServletResponse.SC_INTERNAL_SERVER_ERROR, cnxn.getResponseCode()); |
| } |
| |
| @Test |
| public void testUnderscoresInJSONPCallback() throws Exception { |
| String callback = "my_function"; |
| URL url = new URL(baseUrl, |
| "/jmx?qry=java.lang:type=Memory&callback=" + URLEncoder.encode(callback, "UTF-8")); |
| HttpURLConnection cnxn = (HttpURLConnection) url.openConnection(); |
| assertEquals(HttpServletResponse.SC_OK, cnxn.getResponseCode()); |
| } |
| } |