| /** |
| * 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.client; |
| |
| import static org.junit.Assert.assertEquals; |
| |
| import java.io.IOException; |
| import java.util.concurrent.CountDownLatch; |
| import org.apache.hadoop.hbase.HBaseClassTestRule; |
| import org.apache.hadoop.hbase.HBaseTestingUtility; |
| import org.apache.hadoop.hbase.MasterNotRunningException; |
| import org.apache.hadoop.hbase.TableName; |
| import org.apache.hadoop.hbase.Waiter; |
| import org.apache.hadoop.hbase.master.procedure.MasterProcedureEnv; |
| import org.apache.hadoop.hbase.master.procedure.TableProcedureInterface; |
| import org.apache.hadoop.hbase.procedure2.Procedure; |
| import org.apache.hadoop.hbase.procedure2.ProcedureExecutor; |
| import org.apache.hadoop.hbase.procedure2.ProcedureStateSerializer; |
| import org.apache.hadoop.hbase.procedure2.ProcedureSuspendedException; |
| import org.apache.hadoop.hbase.procedure2.ProcedureYieldException; |
| import org.apache.hadoop.hbase.testclassification.MasterTests; |
| 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.apache.hbase.thirdparty.com.google.protobuf.ServiceException; |
| |
| import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos.GetProcedureResultRequest; |
| import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos.GetProcedureResultResponse; |
| |
| /** |
| * Testcase for HBASE-19608. |
| */ |
| @Category({ MasterTests.class, MediumTests.class }) |
| public class TestGetProcedureResult { |
| |
| @ClassRule |
| public static final HBaseClassTestRule CLASS_RULE = |
| HBaseClassTestRule.forClass(TestGetProcedureResult.class); |
| |
| private static final HBaseTestingUtility UTIL = new HBaseTestingUtility(); |
| |
| public static final class DummyProcedure extends Procedure<MasterProcedureEnv> |
| implements TableProcedureInterface { |
| |
| private final CountDownLatch failureSet = new CountDownLatch(1); |
| |
| private final CountDownLatch canRollback = new CountDownLatch(1); |
| |
| @Override |
| public TableName getTableName() { |
| return TableName.valueOf("dummy"); |
| } |
| |
| @Override |
| public TableOperationType getTableOperationType() { |
| return TableOperationType.READ; |
| } |
| |
| @Override |
| protected Procedure<MasterProcedureEnv>[] execute(MasterProcedureEnv env) |
| throws ProcedureYieldException, ProcedureSuspendedException, InterruptedException { |
| setFailure("dummy", new IOException("inject error")); |
| failureSet.countDown(); |
| return null; |
| } |
| |
| @Override |
| protected void rollback(MasterProcedureEnv env) throws IOException, InterruptedException { |
| canRollback.await(); |
| } |
| |
| @Override |
| protected boolean abort(MasterProcedureEnv env) { |
| return false; |
| } |
| |
| @Override |
| protected void serializeStateData(ProcedureStateSerializer serializer) throws IOException { |
| } |
| |
| @Override |
| protected void deserializeStateData(ProcedureStateSerializer serializer) throws IOException { |
| } |
| } |
| |
| @BeforeClass |
| public static void setUp() throws Exception { |
| UTIL.startMiniCluster(1); |
| } |
| |
| @AfterClass |
| public static void tearDown() throws Exception { |
| UTIL.shutdownMiniCluster(); |
| } |
| |
| private GetProcedureResultResponse.State getState(long procId) |
| throws MasterNotRunningException, IOException, ServiceException { |
| GetProcedureResultResponse resp = UTIL.getMiniHBaseCluster().getMaster().getMasterRpcServices() |
| .getProcedureResult(null, GetProcedureResultRequest.newBuilder().setProcId(procId).build()); |
| return resp.getState(); |
| } |
| |
| @Test |
| public void testRace() throws Exception { |
| ProcedureExecutor<MasterProcedureEnv> executor = |
| UTIL.getMiniHBaseCluster().getMaster().getMasterProcedureExecutor(); |
| DummyProcedure p = new DummyProcedure(); |
| long procId = executor.submitProcedure(p); |
| p.failureSet.await(); |
| assertEquals(GetProcedureResultResponse.State.RUNNING, getState(procId)); |
| p.canRollback.countDown(); |
| UTIL.waitFor(30000, new Waiter.ExplainingPredicate<Exception>() { |
| |
| @Override |
| public boolean evaluate() throws Exception { |
| return getState(procId) == GetProcedureResultResponse.State.FINISHED; |
| } |
| |
| @Override |
| public String explainFailure() throws Exception { |
| return "Procedure pid=" + procId + " is still in " + getState(procId) + |
| " state, expected " + GetProcedureResultResponse.State.FINISHED; |
| } |
| }); |
| } |
| } |