001/*
002 * Licensed to the Apache Software Foundation (ASF) under one
003 * or more contributor license agreements.  See the NOTICE file
004 * distributed with this work for additional information
005 * regarding copyright ownership.  The ASF licenses this file
006 * to you under the Apache License, Version 2.0 (the
007 * "License"); you may not use this file except in compliance
008 * with the License.  You may obtain a copy of the License at
009 *
010 *     http://www.apache.org/licenses/LICENSE-2.0
011 *
012 * Unless required by applicable law or agreed to in writing, software
013 * distributed under the License is distributed on an "AS IS" BASIS,
014 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
015 * See the License for the specific language governing permissions and
016 * limitations under the License.
017 */
018package org.apache.hadoop.hbase.master.procedure;
019
020import static org.junit.jupiter.api.Assertions.assertEquals;
021import static org.junit.jupiter.api.Assertions.assertFalse;
022import static org.junit.jupiter.api.Assertions.assertThrows;
023import static org.junit.jupiter.api.Assertions.assertTrue;
024
025import java.io.IOException;
026import java.util.Optional;
027import java.util.concurrent.Future;
028import org.apache.hadoop.hbase.HBaseTestingUtil;
029import org.apache.hadoop.hbase.ServerName;
030import org.apache.hadoop.hbase.master.assignment.MockMasterServices;
031import org.apache.hadoop.hbase.procedure2.RemoteProcedureDispatcher;
032import org.apache.hadoop.hbase.testclassification.MasterTests;
033import org.apache.hadoop.hbase.testclassification.MediumTests;
034import org.junit.jupiter.api.AfterEach;
035import org.junit.jupiter.api.BeforeEach;
036import org.junit.jupiter.api.Tag;
037import org.junit.jupiter.api.Test;
038import org.junit.jupiter.api.TestInfo;
039import org.slf4j.Logger;
040import org.slf4j.LoggerFactory;
041
042@Tag(MasterTests.TAG)
043@Tag(MediumTests.TAG)
044public class TestReloadQuotasProcedure {
045  private static final Logger LOG = LoggerFactory.getLogger(TestReloadQuotasProcedure.class);
046  private String testMethodName;
047
048  @BeforeEach
049  public void setTestMethod(TestInfo testInfo) {
050    testMethodName = testInfo.getTestMethod().get().getName();
051  }
052
053  private HBaseTestingUtil util;
054  private MockMasterServices master;
055  private TestServerRemoteProcedure.MockRSProcedureDispatcher rsDispatcher;
056
057  @BeforeEach
058  public void setUp() throws Exception {
059    util = new HBaseTestingUtil();
060    master = new MockMasterServices(util.getConfiguration());
061    rsDispatcher = new TestServerRemoteProcedure.MockRSProcedureDispatcher(master);
062    master.start(2, rsDispatcher);
063  }
064
065  @AfterEach
066  public void tearDown() throws Exception {
067    master.stop("tearDown");
068  }
069
070  @Test
071  public void itHandlesClassNotFoundExceptionGracefully() throws Exception {
072    ServerName targetServer = master.getServerManager().getOnlineServersList().get(0);
073    ReloadQuotasProcedure procedure = new ReloadQuotasProcedure(targetServer);
074
075    ClassNotFoundException classNotFound =
076      new ClassNotFoundException("ReloadQuotasCallable not found");
077    IOException wrappedException = new IOException("Remote call failed", classNotFound);
078
079    boolean result =
080      procedure.complete(master.getMasterProcedureExecutor().getEnvironment(), wrappedException);
081
082    assertTrue(result);
083  }
084
085  @Test
086  public void itReturnsFailureForOtherExceptions() throws Exception {
087    ServerName targetServer = master.getServerManager().getOnlineServersList().get(0);
088    ReloadQuotasProcedure procedure = new ReloadQuotasProcedure(targetServer);
089
090    IOException otherException = new IOException("Some other error");
091
092    boolean result =
093      procedure.complete(master.getMasterProcedureExecutor().getEnvironment(), otherException);
094
095    assertFalse(result);
096  }
097
098  @Test
099  public void itReturnsSuccessForNoError() throws Exception {
100    ServerName targetServer = master.getServerManager().getOnlineServersList().get(0);
101    ReloadQuotasProcedure procedure = new ReloadQuotasProcedure(targetServer);
102
103    boolean result = procedure.complete(master.getMasterProcedureExecutor().getEnvironment(), null);
104
105    assertTrue(result);
106  }
107
108  @Test
109  public void itCorrectlyDetectsCauseClass() {
110    ReloadQuotasProcedure procedure = new ReloadQuotasProcedure();
111
112    ClassNotFoundException classNotFound = new ClassNotFoundException("test");
113    IOException wrappedException = new IOException("wrapper", classNotFound);
114    RuntimeException outerWrapper = new RuntimeException("outer", wrappedException);
115
116    assertTrue(procedure.containsCause(outerWrapper, ClassNotFoundException.class));
117    assertFalse(procedure.containsCause(outerWrapper, IllegalArgumentException.class));
118    assertTrue(procedure.containsCause(classNotFound, ClassNotFoundException.class));
119  }
120
121  @Test
122  public void itValidatesServerNameInRemoteCallBuild() throws Exception {
123    ServerName targetServer = master.getServerManager().getOnlineServersList().get(0);
124    ServerName wrongServer = master.getServerManager().getOnlineServersList().get(1);
125    ReloadQuotasProcedure procedure = new ReloadQuotasProcedure(targetServer);
126
127    MasterProcedureEnv env = master.getMasterProcedureExecutor().getEnvironment();
128
129    Optional<RemoteProcedureDispatcher.RemoteOperation> result =
130      procedure.remoteCallBuild(env, targetServer);
131    assertTrue(result.isPresent());
132    assertTrue(result.get() instanceof RSProcedureDispatcher.ServerOperation);
133
134    assertThrows(IllegalArgumentException.class, () -> {
135      procedure.remoteCallBuild(env, wrongServer);
136    });
137  }
138
139  @Test
140  public void itCreatesCorrectRemoteOperation() throws Exception {
141    ServerName targetServer = master.getServerManager().getOnlineServersList().get(0);
142    ReloadQuotasProcedure procedure = new ReloadQuotasProcedure(targetServer);
143    MasterProcedureEnv env = master.getMasterProcedureExecutor().getEnvironment();
144
145    Optional<RemoteProcedureDispatcher.RemoteOperation> operation =
146      procedure.remoteCallBuild(env, targetServer);
147
148    assertTrue(operation.isPresent());
149    RSProcedureDispatcher.ServerOperation serverOp =
150      (RSProcedureDispatcher.ServerOperation) operation.get();
151    assertEquals(serverOp.getRemoteProcedure(), procedure);
152    assertEquals(serverOp.buildRequest().getProcId(), procedure.getProcId());
153  }
154
155  @Test
156  public void itThrowsUnsupportedOperationExceptionOnRollback() throws Exception {
157    ServerName targetServer = master.getServerManager().getOnlineServersList().get(0);
158    ReloadQuotasProcedure procedure = new ReloadQuotasProcedure(targetServer);
159    MasterProcedureEnv env = master.getMasterProcedureExecutor().getEnvironment();
160
161    assertThrows(UnsupportedOperationException.class, () -> {
162      procedure.rollback(env);
163    });
164  }
165
166  @Test
167  public void itReturnsFalseOnAbort() throws Exception {
168    ServerName targetServer = master.getServerManager().getOnlineServersList().get(0);
169    ReloadQuotasProcedure procedure = new ReloadQuotasProcedure(targetServer);
170    MasterProcedureEnv env = master.getMasterProcedureExecutor().getEnvironment();
171
172    boolean result = procedure.abort(env);
173
174    assertFalse(result);
175  }
176
177  private Future<byte[]> submitProcedure(ReloadQuotasProcedure procedure) {
178    return ProcedureSyncWait.submitProcedure(master.getMasterProcedureExecutor(), procedure);
179  }
180}