HBASE-13044 Configuration option for disabling coprocessor loading

This commit is contained in:
Andrew Purtell 2015-02-15 11:02:40 -08:00
parent 332515ed34
commit 9b2e4ed064
6 changed files with 232 additions and 2 deletions

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@ -993,6 +993,22 @@ possible configurations would overwhelm and obscure the important.
as part of the table details, region names, etc. When this is set to false,
the keys are hidden.</description>
</property>
<property>
<name>hbase.coprocessor.enabled</name>
<value>true</value>
<description>Enables or disables coprocessor loading. If 'false'
(disabled), any other coprocessor related configuration will be ignored.
</description>
</property>
<property>
<name>hbase.coprocessor.user.enabled</name>
<value>true</value>
<description>Enables or disables user (aka. table) coprocessor loading.
If 'false' (disabled), any table coprocessor attributes in table
descriptors will be ignored. If "hbase.coprocessor.enabled" is 'false'
this setting has no effect.
</description>
</property>
<property>
<name>hbase.coprocessor.region.classes</name>
<value></value>

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@ -73,6 +73,11 @@ public abstract class CoprocessorHost<E extends CoprocessorEnvironment> {
"hbase.coprocessor.wal.classes";
public static final String ABORT_ON_ERROR_KEY = "hbase.coprocessor.abortonerror";
public static final boolean DEFAULT_ABORT_ON_ERROR = true;
public static final String COPROCESSORS_ENABLED_CONF_KEY = "hbase.coprocessor.enabled";
public static final boolean DEFAULT_COPROCESSORS_ENABLED = true;
public static final String USER_COPROCESSORS_ENABLED_CONF_KEY =
"hbase.coprocessor.user.enabled";
public static final boolean DEFAULT_USER_COPROCESSORS_ENABLED = true;
private static final Log LOG = LogFactory.getLog(CoprocessorHost.class);
protected Abortable abortable;
@ -123,6 +128,12 @@ public abstract class CoprocessorHost<E extends CoprocessorEnvironment> {
* Called by constructor.
*/
protected void loadSystemCoprocessors(Configuration conf, String confKey) {
boolean coprocessorsEnabled = conf.getBoolean(COPROCESSORS_ENABLED_CONF_KEY,
DEFAULT_COPROCESSORS_ENABLED);
if (!coprocessorsEnabled) {
return;
}
Class<?> implClass = null;
// load default coprocessors from configure file

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@ -22,6 +22,8 @@ package org.apache.hadoop.hbase.master;
import java.io.IOException;
import java.util.List;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.hbase.Coprocessor;
import org.apache.hadoop.hbase.HColumnDescriptor;
@ -48,6 +50,8 @@ import org.apache.hadoop.hbase.protobuf.generated.QuotaProtos.Quotas;
public class MasterCoprocessorHost
extends CoprocessorHost<MasterCoprocessorHost.MasterEnvironment> {
private static final Log LOG = LogFactory.getLog(MasterCoprocessorHost.class);
/**
* Coprocessor environment extension providing access to master related
* services.
@ -70,10 +74,16 @@ public class MasterCoprocessorHost
private MasterServices masterServices;
MasterCoprocessorHost(final MasterServices services, final Configuration conf) {
public MasterCoprocessorHost(final MasterServices services, final Configuration conf) {
super(services);
this.conf = conf;
this.masterServices = services;
// Log the state of coprocessor loading here; should appear only once or
// twice in the daemon log, depending on HBase version, because there is
// only one MasterCoprocessorHost instance in the master process
boolean coprocessorsEnabled = conf.getBoolean(COPROCESSORS_ENABLED_CONF_KEY,
DEFAULT_COPROCESSORS_ENABLED);
LOG.info("System coprocessor loading is " + (coprocessorsEnabled ? "enabled" : "disabled"));
loadSystemCoprocessors(conf, MASTER_COPROCESSOR_CONF_KEY);
}

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@ -328,6 +328,14 @@ public class RegionCoprocessorHost
}
void loadTableCoprocessors(final Configuration conf) {
boolean coprocessorsEnabled = conf.getBoolean(COPROCESSORS_ENABLED_CONF_KEY,
DEFAULT_COPROCESSORS_ENABLED);
boolean tableCoprocessorsEnabled = conf.getBoolean(USER_COPROCESSORS_ENABLED_CONF_KEY,
DEFAULT_USER_COPROCESSORS_ENABLED);
if (!(coprocessorsEnabled && tableCoprocessorsEnabled)) {
return;
}
// scan the table attributes for coprocessor load specifications
// initialize the coprocessors
List<RegionEnvironment> configured = new ArrayList<RegionEnvironment>();

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@ -22,6 +22,8 @@ import java.io.IOException;
import java.util.Comparator;
import java.util.List;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.hadoop.hbase.classification.InterfaceAudience;
import org.apache.hadoop.hbase.classification.InterfaceStability;
import org.apache.hadoop.conf.Configuration;
@ -44,6 +46,8 @@ import org.apache.hadoop.hbase.replication.ReplicationEndpoint;
public class RegionServerCoprocessorHost extends
CoprocessorHost<RegionServerCoprocessorHost.RegionServerEnvironment> {
private static final Log LOG = LogFactory.getLog(RegionServerCoprocessorHost.class);
private RegionServerServices rsServices;
public RegionServerCoprocessorHost(RegionServerServices rsServices,
@ -51,7 +55,16 @@ public class RegionServerCoprocessorHost extends
super(rsServices);
this.rsServices = rsServices;
this.conf = conf;
// load system default cp's from configuration.
// Log the state of coprocessor loading here; should appear only once or
// twice in the daemon log, depending on HBase version, because there is
// only one RegionServerCoprocessorHost instance in the RS process
boolean coprocessorsEnabled = conf.getBoolean(COPROCESSORS_ENABLED_CONF_KEY,
DEFAULT_COPROCESSORS_ENABLED);
boolean tableCoprocessorsEnabled = conf.getBoolean(USER_COPROCESSORS_ENABLED_CONF_KEY,
DEFAULT_USER_COPROCESSORS_ENABLED);
LOG.info("System coprocessor loading is " + (coprocessorsEnabled ? "enabled" : "disabled"));
LOG.info("Table coprocessor loading is " +
((coprocessorsEnabled && tableCoprocessorsEnabled) ? "enabled" : "disabled"));
loadSystemCoprocessors(conf, REGIONSERVER_COPROCESSOR_CONF_KEY);
}

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@ -0,0 +1,172 @@
/*
*
* 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 java.io.IOException;
import java.util.concurrent.atomic.AtomicBoolean;
import static org.mockito.Mockito.*;
import static org.junit.Assert.*;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.hbase.Coprocessor;
import org.apache.hadoop.hbase.CoprocessorEnvironment;
import org.apache.hadoop.hbase.HBaseConfiguration;
import org.apache.hadoop.hbase.HRegionInfo;
import org.apache.hadoop.hbase.HTableDescriptor;
import org.apache.hadoop.hbase.TableName;
import org.apache.hadoop.hbase.master.MasterCoprocessorHost;
import org.apache.hadoop.hbase.master.MasterServices;
import org.apache.hadoop.hbase.regionserver.HRegion;
import org.apache.hadoop.hbase.regionserver.RegionCoprocessorHost;
import org.apache.hadoop.hbase.regionserver.RegionServerCoprocessorHost;
import org.apache.hadoop.hbase.regionserver.RegionServerServices;
import org.apache.hadoop.hbase.testclassification.CoprocessorTests;
import org.apache.hadoop.hbase.testclassification.SmallTests;
import org.junit.Test;
import org.junit.experimental.categories.Category;
/**
* Tests for global coprocessor loading configuration
*/
@Category({CoprocessorTests.class, SmallTests.class})
public class TestCoprocessorConfiguration {
private static final Configuration CONF = HBaseConfiguration.create();
static {
CONF.setStrings(CoprocessorHost.MASTER_COPROCESSOR_CONF_KEY,
SystemCoprocessor.class.getName());
CONF.setStrings(CoprocessorHost.REGIONSERVER_COPROCESSOR_CONF_KEY,
SystemCoprocessor.class.getName());
CONF.setStrings(CoprocessorHost.REGION_COPROCESSOR_CONF_KEY,
SystemCoprocessor.class.getName());
}
private static final TableName TABLENAME = TableName.valueOf("TestCoprocessorConfiguration");
private static final HRegionInfo REGIONINFO = new HRegionInfo(TABLENAME);
private static final HTableDescriptor TABLEDESC = new HTableDescriptor(TABLENAME);
static {
try {
TABLEDESC.addCoprocessor(TableCoprocessor.class.getName());
} catch (IOException e) {
throw new RuntimeException(e);
}
}
// use atomic types in case coprocessor loading is ever multithreaded, also
// so we can mutate them even though they are declared final here
private static final AtomicBoolean systemCoprocessorLoaded = new AtomicBoolean();
private static final AtomicBoolean tableCoprocessorLoaded = new AtomicBoolean();
public static class SystemCoprocessor implements Coprocessor {
@Override
public void start(CoprocessorEnvironment env) throws IOException {
systemCoprocessorLoaded.set(true);
}
@Override
public void stop(CoprocessorEnvironment env) throws IOException { }
}
public static class TableCoprocessor implements Coprocessor {
@Override
public void start(CoprocessorEnvironment env) throws IOException {
tableCoprocessorLoaded.set(true);
}
@Override
public void stop(CoprocessorEnvironment env) throws IOException { }
}
@Test
public void testRegionCoprocessorHostDefaults() throws Exception {
Configuration conf = new Configuration(CONF);
HRegion region = mock(HRegion.class);
when(region.getRegionInfo()).thenReturn(REGIONINFO);
when(region.getTableDesc()).thenReturn(TABLEDESC);
RegionServerServices rsServices = mock(RegionServerServices.class);
systemCoprocessorLoaded.set(false);
tableCoprocessorLoaded.set(false);
new RegionCoprocessorHost(region, rsServices, conf);
assertEquals("System coprocessors loading default was not honored",
systemCoprocessorLoaded.get(),
CoprocessorHost.DEFAULT_COPROCESSORS_ENABLED);
assertEquals("Table coprocessors loading default was not honored",
tableCoprocessorLoaded.get(),
CoprocessorHost.DEFAULT_COPROCESSORS_ENABLED &&
CoprocessorHost.DEFAULT_USER_COPROCESSORS_ENABLED);
}
@Test
public void testRegionServerCoprocessorHostDefaults() throws Exception {
Configuration conf = new Configuration(CONF);
RegionServerServices rsServices = mock(RegionServerServices.class);
systemCoprocessorLoaded.set(false);
new RegionServerCoprocessorHost(rsServices, conf);
assertEquals("System coprocessors loading default was not honored",
systemCoprocessorLoaded.get(),
CoprocessorHost.DEFAULT_COPROCESSORS_ENABLED);
}
@Test
public void testMasterCoprocessorHostDefaults() throws Exception {
Configuration conf = new Configuration(CONF);
MasterServices masterServices = mock(MasterServices.class);
systemCoprocessorLoaded.set(false);
new MasterCoprocessorHost(masterServices, conf);
assertEquals("System coprocessors loading default was not honored",
systemCoprocessorLoaded.get(),
CoprocessorHost.DEFAULT_COPROCESSORS_ENABLED);
}
@Test
public void testRegionCoprocessorHostAllDisabled() throws Exception {
Configuration conf = new Configuration(CONF);
conf.setBoolean(CoprocessorHost.COPROCESSORS_ENABLED_CONF_KEY, false);
HRegion region = mock(HRegion.class);
when(region.getRegionInfo()).thenReturn(REGIONINFO);
when(region.getTableDesc()).thenReturn(TABLEDESC);
RegionServerServices rsServices = mock(RegionServerServices.class);
systemCoprocessorLoaded.set(false);
tableCoprocessorLoaded.set(false);
new RegionCoprocessorHost(region, rsServices, conf);
assertFalse("System coprocessors should not have been loaded",
systemCoprocessorLoaded.get());
assertFalse("Table coprocessors should not have been loaded",
tableCoprocessorLoaded.get());
}
@Test
public void testRegionCoprocessorHostTableLoadingDisabled() throws Exception {
Configuration conf = new Configuration(CONF);
conf.setBoolean(CoprocessorHost.COPROCESSORS_ENABLED_CONF_KEY, true); // if defaults change
conf.setBoolean(CoprocessorHost.USER_COPROCESSORS_ENABLED_CONF_KEY, false);
HRegion region = mock(HRegion.class);
when(region.getRegionInfo()).thenReturn(REGIONINFO);
when(region.getTableDesc()).thenReturn(TABLEDESC);
RegionServerServices rsServices = mock(RegionServerServices.class);
systemCoprocessorLoaded.set(false);
tableCoprocessorLoaded.set(false);
new RegionCoprocessorHost(region, rsServices, conf);
assertTrue("System coprocessors should have been loaded",
systemCoprocessorLoaded.get());
assertFalse("Table coprocessors should not have been loaded",
tableCoprocessorLoaded.get());
}
}