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* Licensed to the Apache Software Foundation (ASF) under one
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* 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
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package org.apache.hadoop.hbase.master.procedure;
import static org.junit.Assert.*;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.hbase.HBaseTestingUtility;
import org.apache.hadoop.hbase.HTableDescriptor;
import org.apache.hadoop.hbase.NamespaceDescriptor;
import org.apache.hadoop.hbase.NamespaceNotFoundException;
import org.apache.hadoop.hbase.ProcedureInfo;
import org.apache.hadoop.hbase.constraint.ConstraintException;
import org.apache.hadoop.hbase.procedure2.ProcedureExecutor;
import org.apache.hadoop.hbase.procedure2.ProcedureTestingUtility;
import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProcedureProtos.ModifyNamespaceState;
import org.apache.hadoop.hbase.testclassification.MasterTests;
import org.apache.hadoop.hbase.testclassification.MediumTests;
import org.junit.After;
import org.junit.AfterClass;
import org.junit.Before;
import org.junit.BeforeClass;
import org.junit.Test;
import org.junit.experimental.categories.Category;
@Category({MasterTests.class, MediumTests.class})
public class TestModifyNamespaceProcedure {
private static final Log LOG = LogFactory.getLog(TestModifyNamespaceProcedure.class);
protected static final HBaseTestingUtility UTIL = new HBaseTestingUtility();
private static void setupConf(Configuration conf) {
conf.setInt(MasterProcedureConstants.MASTER_PROCEDURE_THREADS, 1);
}
@BeforeClass
public static void setupCluster() throws Exception {
setupConf(UTIL.getConfiguration());
UTIL.startMiniCluster(1);
}
@AfterClass
public static void cleanupTest() throws Exception {
try {
UTIL.shutdownMiniCluster();
} catch (Exception e) {
LOG.warn("failure shutting down cluster", e);
}
}
@Before
public void setup() throws Exception {
ProcedureTestingUtility.setKillAndToggleBeforeStoreUpdate(getMasterProcedureExecutor(), false);
}
@After
public void tearDown() throws Exception {
ProcedureTestingUtility.setKillAndToggleBeforeStoreUpdate(getMasterProcedureExecutor(), false);
for (HTableDescriptor htd: UTIL.getAdmin().listTables()) {
LOG.info("Tear down, remove table=" + htd.getTableName());
UTIL.deleteTable(htd.getTableName());
}
}
@Test(timeout = 60000)
public void testModifyNamespace() throws Exception {
final NamespaceDescriptor nsd = NamespaceDescriptor.create("testModifyNamespace").build();
final String nsKey1 = "hbase.namespace.quota.maxregions";
final String nsValue1before = "1111";
final String nsValue1after = "9999";
final String nsKey2 = "hbase.namespace.quota.maxtables";
final String nsValue2 = "10";
final ProcedureExecutor<MasterProcedureEnv> procExec = getMasterProcedureExecutor();
nsd.setConfiguration(nsKey1, nsValue1before);
createNamespaceForTesting(nsd);
// Before modify
NamespaceDescriptor currentNsDescriptor =
UTIL.getAdmin().getNamespaceDescriptor(nsd.getName());
assertEquals(currentNsDescriptor.getConfigurationValue(nsKey1), nsValue1before);
assertNull(currentNsDescriptor.getConfigurationValue(nsKey2));
// Update
nsd.setConfiguration(nsKey1, nsValue1after);
nsd.setConfiguration(nsKey2, nsValue2);
long procId1 = procExec.submitProcedure(
new ModifyNamespaceProcedure(procExec.getEnvironment(), nsd));
// Wait the completion
ProcedureTestingUtility.waitProcedure(procExec, procId1);
ProcedureTestingUtility.assertProcNotFailed(procExec, procId1);
// Verify the namespace is updated.
currentNsDescriptor =
UTIL.getAdmin().getNamespaceDescriptor(nsd.getName());
assertEquals(nsd.getConfigurationValue(nsKey1), nsValue1after);
assertEquals(currentNsDescriptor.getConfigurationValue(nsKey2), nsValue2);
}
@Test(timeout=60000)
public void testModifyNonExistNamespace() throws Exception {
final String namespaceName = "testModifyNonExistNamespace";
final ProcedureExecutor<MasterProcedureEnv> procExec = getMasterProcedureExecutor();
try {
NamespaceDescriptor nsDescriptor = UTIL.getAdmin().getNamespaceDescriptor(namespaceName);
assertNull(nsDescriptor);
} catch (NamespaceNotFoundException nsnfe) {
// Expected
LOG.debug("The namespace " + namespaceName + " does not exist. This is expected.");
}
final NamespaceDescriptor nsd = NamespaceDescriptor.create(namespaceName).build();
long procId = procExec.submitProcedure(
new ModifyNamespaceProcedure(procExec.getEnvironment(), nsd));
// Wait the completion
ProcedureTestingUtility.waitProcedure(procExec, procId);
// Expect fail with NamespaceNotFoundException
ProcedureInfo result = procExec.getResult(procId);
assertTrue(result.isFailed());
LOG.debug("modify namespace failed with exception: " + result.getExceptionFullMessage());
assertTrue(
ProcedureTestingUtility.getExceptionCause(result) instanceof NamespaceNotFoundException);
}
@Test(timeout=60000)
public void testModifyNamespaceWithInvalidRegionCount() throws Exception {
final NamespaceDescriptor nsd =
NamespaceDescriptor.create("testModifyNamespaceWithInvalidRegionCount").build();
final String nsKey = "hbase.namespace.quota.maxregions";
final String nsValue = "-1";
final ProcedureExecutor<MasterProcedureEnv> procExec = getMasterProcedureExecutor();
createNamespaceForTesting(nsd);
// Modify
nsd.setConfiguration(nsKey, nsValue);
long procId = procExec.submitProcedure(
new ModifyNamespaceProcedure(procExec.getEnvironment(), nsd));
// Wait the completion
ProcedureTestingUtility.waitProcedure(procExec, procId);
ProcedureInfo result = procExec.getResult(procId);
assertTrue(result.isFailed());
LOG.debug("Modify namespace failed with exception: " + result.getExceptionFullMessage());
assertTrue(ProcedureTestingUtility.getExceptionCause(result) instanceof ConstraintException);
}
@Test(timeout=60000)
public void testModifyNamespaceWithInvalidTableCount() throws Exception {
final NamespaceDescriptor nsd =
NamespaceDescriptor.create("testModifyNamespaceWithInvalidTableCount").build();
final String nsKey = "hbase.namespace.quota.maxtables";
final String nsValue = "-1";
final ProcedureExecutor<MasterProcedureEnv> procExec = getMasterProcedureExecutor();
createNamespaceForTesting(nsd);
// Modify
nsd.setConfiguration(nsKey, nsValue);
long procId = procExec.submitProcedure(
new ModifyNamespaceProcedure(procExec.getEnvironment(), nsd));
// Wait the completion
ProcedureTestingUtility.waitProcedure(procExec, procId);
ProcedureInfo result = procExec.getResult(procId);
assertTrue(result.isFailed());
LOG.debug("Modify namespace failed with exception: " + result.getExceptionFullMessage());
assertTrue(ProcedureTestingUtility.getExceptionCause(result) instanceof ConstraintException);
}
@Test(timeout = 60000)
public void testRecoveryAndDoubleExecution() throws Exception {
final NamespaceDescriptor nsd =
NamespaceDescriptor.create("testRecoveryAndDoubleExecution").build();
final String nsKey = "foo";
final String nsValue = "bar";
final ProcedureExecutor<MasterProcedureEnv> procExec = getMasterProcedureExecutor();
createNamespaceForTesting(nsd);
ProcedureTestingUtility.waitNoProcedureRunning(procExec);
ProcedureTestingUtility.setKillAndToggleBeforeStoreUpdate(procExec, true);
// Modify
nsd.setConfiguration(nsKey, nsValue);
// Start the Modify procedure && kill the executor
long procId = procExec.submitProcedure(
new ModifyNamespaceProcedure(procExec.getEnvironment(), nsd));
// Restart the executor and execute the step twice
int numberOfSteps = ModifyNamespaceState.values().length;
MasterProcedureTestingUtility.testRecoveryAndDoubleExecution(procExec, procId, numberOfSteps);
ProcedureTestingUtility.assertProcNotFailed(procExec, procId);
// Validate
NamespaceDescriptor currentNsDescriptor =
UTIL.getAdmin().getNamespaceDescriptor(nsd.getName());
assertEquals(currentNsDescriptor.getConfigurationValue(nsKey), nsValue);
}
@Test(timeout = 60000)
public void testRollbackAndDoubleExecution() throws Exception {
final NamespaceDescriptor nsd =
NamespaceDescriptor.create("testRollbackAndDoubleExecution").build();
final String nsKey = "foo";
final String nsValue = "bar";
final ProcedureExecutor<MasterProcedureEnv> procExec = getMasterProcedureExecutor();
createNamespaceForTesting(nsd);
ProcedureTestingUtility.waitNoProcedureRunning(procExec);
ProcedureTestingUtility.setKillAndToggleBeforeStoreUpdate(procExec, true);
// Modify
nsd.setConfiguration(nsKey, nsValue);
// Start the Modify procedure && kill the executor
long procId = procExec.submitProcedure(
new ModifyNamespaceProcedure(procExec.getEnvironment(), nsd));
int numberOfSteps = 0; // failing at pre operation
MasterProcedureTestingUtility.testRollbackAndDoubleExecution(procExec, procId, numberOfSteps);
// Validate
NamespaceDescriptor currentNsDescriptor =
UTIL.getAdmin().getNamespaceDescriptor(nsd.getName());
assertNull(currentNsDescriptor.getConfigurationValue(nsKey));
}
private ProcedureExecutor<MasterProcedureEnv> getMasterProcedureExecutor() {
return UTIL.getHBaseCluster().getMaster().getMasterProcedureExecutor();
}
private void createNamespaceForTesting(NamespaceDescriptor nsDescriptor) throws Exception {
final ProcedureExecutor<MasterProcedureEnv> procExec = getMasterProcedureExecutor();
long procId = procExec.submitProcedure(
new CreateNamespaceProcedure(procExec.getEnvironment(), nsDescriptor));
// Wait the completion
ProcedureTestingUtility.waitProcedure(procExec, procId);
ProcedureTestingUtility.assertProcNotFailed(procExec, procId);
}
}