| /** |
| * 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.coprocessor; |
| |
| import static org.junit.Assert.assertTrue; |
| |
| import java.io.IOException; |
| import org.apache.hadoop.conf.Configuration; |
| import org.apache.hadoop.fs.FileSystem; |
| import org.apache.hadoop.fs.Path; |
| import org.apache.hadoop.hbase.CoprocessorEnvironment; |
| import org.apache.hadoop.hbase.HBaseClassTestRule; |
| import org.apache.hadoop.hbase.HBaseTestingUtility; |
| import org.apache.hadoop.hbase.MiniHBaseCluster; |
| import org.apache.hadoop.hbase.testclassification.CoprocessorTests; |
| import org.apache.hadoop.hbase.testclassification.MediumTests; |
| 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; |
| |
| /** |
| * Tests for master and regionserver coprocessor stop method |
| * |
| */ |
| @Category({CoprocessorTests.class, MediumTests.class}) |
| public class TestCoprocessorStop { |
| |
| @ClassRule |
| public static final HBaseClassTestRule CLASS_RULE = |
| HBaseClassTestRule.forClass(TestCoprocessorStop.class); |
| |
| private static final Logger LOG = LoggerFactory.getLogger(TestCoprocessorStop.class); |
| private static HBaseTestingUtility UTIL = new HBaseTestingUtility(); |
| private static final String MASTER_FILE = |
| "master" + System.currentTimeMillis(); |
| private static final String REGIONSERVER_FILE = |
| "regionserver" + System.currentTimeMillis(); |
| |
| public static class FooCoprocessor implements MasterCoprocessor, RegionServerCoprocessor { |
| @Override |
| public void start(CoprocessorEnvironment env) throws IOException { |
| String where = null; |
| |
| if (env instanceof MasterCoprocessorEnvironment) { |
| // if running on HMaster |
| where = "master"; |
| } else if (env instanceof RegionServerCoprocessorEnvironment) { |
| where = "regionserver"; |
| } else if (env instanceof RegionCoprocessorEnvironment) { |
| LOG.error("on RegionCoprocessorEnvironment!!"); |
| } |
| LOG.info("start coprocessor on " + where); |
| } |
| |
| @Override |
| public void stop(CoprocessorEnvironment env) throws IOException { |
| String fileName = null; |
| |
| if (env instanceof MasterCoprocessorEnvironment) { |
| // if running on HMaster |
| fileName = MASTER_FILE; |
| } else if (env instanceof RegionServerCoprocessorEnvironment) { |
| fileName = REGIONSERVER_FILE; |
| } else if (env instanceof RegionCoprocessorEnvironment) { |
| LOG.error("on RegionCoprocessorEnvironment!!"); |
| } |
| |
| Configuration conf = UTIL.getConfiguration(); |
| Path resultFile = new Path(UTIL.getDataTestDirOnTestFS(), fileName); |
| FileSystem fs = FileSystem.get(conf); |
| |
| boolean result = fs.createNewFile(resultFile); |
| LOG.info("create file " + resultFile + " return rc " + result); |
| } |
| } |
| |
| @BeforeClass |
| public static void setupBeforeClass() throws Exception { |
| Configuration conf = UTIL.getConfiguration(); |
| |
| conf.set(CoprocessorHost.MASTER_COPROCESSOR_CONF_KEY, |
| FooCoprocessor.class.getName()); |
| conf.set(CoprocessorHost.REGIONSERVER_COPROCESSOR_CONF_KEY, |
| FooCoprocessor.class.getName()); |
| |
| UTIL.startMiniCluster(); |
| } |
| |
| @AfterClass |
| public static void tearDownAfterClass() throws Exception { |
| UTIL.shutdownMiniCluster(); |
| } |
| |
| @Test |
| public void testStopped() throws Exception { |
| //shutdown hbase only. then check flag file. |
| MiniHBaseCluster cluster = UTIL.getHBaseCluster(); |
| LOG.info("shutdown hbase cluster..."); |
| cluster.shutdown(); |
| LOG.info("wait for the hbase cluster shutdown..."); |
| cluster.waitUntilShutDown(); |
| |
| Configuration conf = UTIL.getConfiguration(); |
| FileSystem fs = FileSystem.get(conf); |
| |
| Path resultFile = new Path(UTIL.getDataTestDirOnTestFS(), MASTER_FILE); |
| assertTrue("Master flag file should have been created",fs.exists(resultFile)); |
| |
| resultFile = new Path(UTIL.getDataTestDirOnTestFS(), REGIONSERVER_FILE); |
| assertTrue("RegionServer flag file should have been created",fs.exists(resultFile)); |
| } |
| } |