| /* |
| * 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.slider.providers.hbase.funtest |
| |
| import org.apache.hadoop.conf.Configuration |
| import org.apache.slider.api.ClusterDescription |
| import org.apache.slider.api.RoleKeys |
| import org.apache.slider.api.StatusKeys |
| import org.apache.slider.client.SliderClient |
| import org.apache.slider.common.params.ActionKillContainerArgs |
| import org.apache.slider.providers.hbase.HBaseKeys |
| import org.apache.slider.providers.hbase.HBaseTestUtils |
| |
| class TestHBaseNodeFailure extends TestFunctionalHBaseCluster { |
| |
| |
| public static final int RESTART_SLEEP_TIME = 5000 |
| |
| @Override |
| String getClusterName() { |
| return "test_hbase_node_failure" |
| } |
| |
| @Override |
| String getDescription() { |
| "Fail containers and verify that the cluster recovers" |
| } |
| |
| @Override |
| void clusterOperations( |
| String clustername, |
| SliderClient sliderClient, |
| Configuration clientConf, |
| int numWorkers, |
| Map<String, Integer> roleMap, |
| ClusterDescription cd) { |
| |
| |
| killInstanceOfRole(sliderClient, HBaseKeys.ROLE_WORKER) |
| // let it take |
| sleep(RESTART_SLEEP_TIME) |
| |
| //wait for the role counts to be reached |
| cd = waitForRoleCount(sliderClient, roleMap, HBASE_LAUNCH_WAIT_TIME) |
| // then expect a restart |
| HBaseTestUtils.waitForHBaseRegionServerCount( |
| sliderClient, |
| clusterName, |
| numWorkers, |
| HBASE_LAUNCH_WAIT_TIME) |
| assert cd.roles[HBaseKeys.ROLE_WORKER][RoleKeys.ROLE_FAILED_INSTANCES] == "1" |
| killInstanceOfRole(sliderClient, HBaseKeys.ROLE_WORKER) |
| // let it take |
| sleep(RESTART_SLEEP_TIME) |
| // then expect a restart |
| |
| //wait for the role counts to be reached |
| cd = waitForRoleCount(sliderClient, roleMap, HBASE_LAUNCH_WAIT_TIME) |
| |
| HBaseTestUtils.waitForHBaseRegionServerCount( |
| sliderClient, |
| clusterName, |
| numWorkers, |
| HBASE_LAUNCH_WAIT_TIME) |
| assert cd.roles[HBaseKeys.ROLE_WORKER][RoleKeys.ROLE_FAILED_INSTANCES] == "2" |
| |
| killInstanceOfRole(sliderClient, HBaseKeys.ROLE_MASTER) |
| // let it take |
| sleep(RESTART_SLEEP_TIME) |
| |
| // wait for the role counts to be reached |
| cd = waitForRoleCount(sliderClient, roleMap, HBASE_LAUNCH_WAIT_TIME) |
| HBaseTestUtils.waitForHBaseRegionServerCount( |
| sliderClient, |
| clusterName, |
| numWorkers, |
| HBASE_LAUNCH_WAIT_TIME) |
| assert cd.roles[HBaseKeys.ROLE_MASTER][RoleKeys.ROLE_FAILED_INSTANCES] == "1" |
| |
| // now trigger AM failure |
| ClusterDescription status = killAmAndWaitForRestart(sliderClient, clusterName) |
| |
| def restarted = status.getInfo( |
| StatusKeys.INFO_CONTAINERS_AM_RESTART) |
| assert restarted != null |
| assert Integer.parseInt(restarted) == 1 + numWorkers |
| |
| } |
| |
| /** |
| * Kill a random in instance of a role in the cluster |
| * @param sliderClient client |
| * @param role |
| * @return ID of container killed |
| */ |
| public String killInstanceOfRole( |
| SliderClient sliderClient, String role) { |
| ClusterDescription cd = sliderClient.getClusterDescription() |
| def instances = cd.instances[role] |
| if (instances == null || instances.size() == 0) { |
| log.info("No instances of role $role to kill") |
| return null; |
| } |
| String id = instances[new Random().nextInt(instances.size())] |
| ActionKillContainerArgs args = new ActionKillContainerArgs() |
| args.id = id |
| sliderClient.actionKillContainer(clusterName, args) |
| return id; |
| } |
| |
| |
| public int getWorkerPortAssignment() { |
| return 0 |
| } |
| |
| public int getMasterPortAssignment() { |
| return 0 |
| } |
| } |