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HDDS-1201. Reporting corrupted containers info to SCM (#1032)

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This commit is contained in:
Hrishikesh Gadre 2019-07-11 02:19:58 -07:00 committed by Nanda kumar
parent ccaa99c923
commit acef5e0cec
10 changed files with 288 additions and 68 deletions
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4
hadoop-hdds/container-service/src/main/java/org/apache/hadoop/ozone/container/common/interfaces/Container.java
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@ -154,6 +154,8 @@ ContainerReplicaProto getContainerReport()
/**
* check and report the structural integrity of the container.
* @return true if the integrity checks pass
* false otherwise
*/
void check() throws StorageContainerException;
boolean check();
}

6
hadoop-hdds/container-service/src/main/java/org/apache/hadoop/ozone/container/common/states/endpoint/HeartbeatEndpointTask.java
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@ -135,8 +135,12 @@ public EndpointStateMachine.EndPointStates call() throws Exception {
addReports(requestBuilder);
addContainerActions(requestBuilder);
addPipelineActions(requestBuilder);
SCMHeartbeatRequestProto request = requestBuilder.build();
if (LOG.isDebugEnabled()) {
LOG.debug("Sending heartbeat message :: {}", request.toString());
}
SCMHeartbeatResponseProto reponse = rpcEndpoint.getEndPoint()
.sendHeartbeat(requestBuilder.build());
.sendHeartbeat(request);
processResponse(reponse, datanodeDetailsProto);
rpcEndpoint.setLastSuccessfulHeartbeat(ZonedDateTime.now());
rpcEndpoint.zeroMissedCount();

20
hadoop-hdds/container-service/src/main/java/org/apache/hadoop/ozone/container/keyvalue/KeyValueContainer.java
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@ -648,7 +648,7 @@ public File getContainerDBFile() {
/**
* run integrity checks on the Container metadata.
*/
public void check() throws StorageContainerException {
public boolean check() {
ContainerCheckLevel level = ContainerCheckLevel.NO_CHECK;
long containerId = containerData.getContainerID();
@ -671,14 +671,12 @@ public void check() throws StorageContainerException {
containerData.getState());
break;
default:
throw new StorageContainerException(
"Invalid Container state found for Container : " + containerData
.getContainerID(), INVALID_CONTAINER_STATE);
break;
}
if (level == ContainerCheckLevel.NO_CHECK) {
LOG.debug("Skipping integrity checks for Container Id : {}", containerId);
return;
return true;
}
KeyValueContainerCheck checker =
@ -687,17 +685,11 @@ public void check() throws StorageContainerException {
switch (level) {
case FAST_CHECK:
checker.fastCheck();
break;
return checker.fastCheck();
case FULL_CHECK:
checker.fullCheck();
break;
case NO_CHECK:
LOG.debug("Skipping integrity checks for Container Id : {}", containerId);
break;
return checker.fullCheck();
default:
// we should not be here at all, scuttle the ship!
Preconditions.checkNotNull(0, "Invalid Containercheck level");
return true;
}
}

46
hadoop-hdds/container-service/src/main/java/org/apache/hadoop/ozone/container/keyvalue/KeyValueContainerCheck.java
View File

@ -72,37 +72,22 @@ public KeyValueContainerCheck(String metadataPath, Configuration conf,
* These checks do not look inside the metadata files.
* Applicable for OPEN containers.
*
* @return true : corruption detected, false : no corruption.
* @return true : integrity checks pass, false : otherwise.
*/
public boolean fastCheck() {
boolean corruption = false;
LOG.info("Running basic checks for container {};", containerID);
boolean valid = false;
try {
basicChecks();
loadContainerData();
checkLayout();
checkContainerFile();
valid = true;
} catch (IOException e) {
handleCorruption(e);
corruption = true;
}
return corruption;
}
/**
* Checks :
* 1. check directory layout
* 2. check container file
*
* @return void
*/
private void basicChecks() throws IOException {
LOG.trace("Running basic checks for container {};", containerID);
loadContainerData();
checkLayout();
checkContainerFile();
return valid;
}
/**
@ -114,21 +99,22 @@ private void basicChecks() throws IOException {
* <p>
* fullCheck is a superset of fastCheck
*
* @return true : corruption detected, false : no corruption.
* @return true : integrity checks pass, false : otherwise.
*/
public boolean fullCheck() {
boolean corruption = false;
boolean valid = false;
try {
basicChecks();
checkBlockDB();
valid = fastCheck();
if (valid) {
checkBlockDB();
}
} catch (IOException e) {
handleCorruption(e);
corruption = true;
valid = false;
}
return corruption;
return valid;
}
/**

13
hadoop-hdds/container-service/src/main/java/org/apache/hadoop/ozone/container/keyvalue/KeyValueHandler.java
View File

@ -900,8 +900,17 @@ public void markContainerForClose(Container container)
public void markContainerUnhealthy(Container container)
throws IOException {
if (container.getContainerState() != State.UNHEALTHY) {
container.markContainerUnhealthy();
sendICR(container);
try {
container.markContainerUnhealthy();
} catch (IOException ex) {
// explicitly catch IOException here since the this operation
// will fail if the Rocksdb metadata is corrupted.
long id = container.getContainerData().getContainerID();
LOG.warn("Unexpected error while marking container "
+id+ " as unhealthy", ex);
} finally {
sendICR(container);
}
}
}

12
hadoop-hdds/container-service/src/main/java/org/apache/hadoop/ozone/container/ozoneimpl/ContainerController.java
View File

@ -73,6 +73,18 @@ public void markContainerForClose(final long containerId)
}
}
/**
* Marks the container as UNHEALTHY.
*
* @param containerId Id of the container to update
* @throws IOException in case of exception
*/
public void markContainerUnhealthy(final long containerId)
throws IOException {
Container container = containerSet.getContainer(containerId);
getHandler(container).markContainerUnhealthy(container);
}
/**
* Returns the container report.
*

31
hadoop-hdds/container-service/src/main/java/org/apache/hadoop/ozone/container/ozoneimpl/ContainerScrubber.java
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@ -18,13 +18,14 @@
package org.apache.hadoop.ozone.container.ozoneimpl;
import com.google.common.annotations.VisibleForTesting;
import org.apache.commons.net.ntp.TimeStamp;
import org.apache.hadoop.hdds.conf.OzoneConfiguration;
import org.apache.hadoop.hdds.scm.container.common.helpers.StorageContainerException;
import org.apache.hadoop.ozone.container.common.interfaces.Container;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.io.IOException;
import java.util.Iterator;
/**
@ -56,11 +57,7 @@ public ContainerScrubber(OzoneConfiguration conf,
LOG.info("Background ContainerScrubber starting up");
while (true) {
try {
scrub();
} catch (StorageContainerException e) {
LOG.error("Scrubber encountered StorageContainerException.");
}
scrub();
if (this.halt) {
break; // stop and exit if requested
@ -129,22 +126,20 @@ private void throttleScrubber(TimeStamp startTime) {
}
}
private void scrub() throws StorageContainerException {
private void scrub() {
Iterator<Container> containerIt = controller.getContainers();
long count = 0;
while (containerIt.hasNext() && !halt) {
TimeStamp startTime = new TimeStamp(System.currentTimeMillis());
Container container = containerIt.next();
try {
container.check();
} catch (StorageContainerException e) {
LOG.error("Error unexpected exception {} for Container {}", e,
container.getContainerData().getContainerID());
container.markContainerUnhealthy();
// XXX Action required here
scrub(container);
} catch (IOException e) {
LOG.info("Unexpected error while scrubbing container {}",
container.getContainerData().getContainerID());
}
count++;
throttleScrubber(startTime);
@ -152,4 +147,12 @@ private void scrub() throws StorageContainerException {
LOG.debug("iterator ran integrity checks on {} containers", count);
}
@VisibleForTesting
public void scrub(Container container) throws IOException {
if (!container.check()) {
controller.markContainerUnhealthy(
container.getContainerData().getContainerID());
}
}
}

11
hadoop-hdds/container-service/src/test/java/org/apache/hadoop/ozone/container/keyvalue/TestKeyValueContainerCheck.java
View File

@ -55,7 +55,6 @@
import static org.apache.hadoop.ozone.OzoneConfigKeys.OZONE_METADATA_STORE_IMPL_LEVELDB;
import static org.apache.hadoop.ozone.OzoneConfigKeys.OZONE_METADATA_STORE_IMPL_ROCKSDB;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;
/**
@ -101,7 +100,7 @@ public TestKeyValueContainerCheck(String metadataImpl) {
int deletedBlocks = 1;
int normalBlocks = 3;
int chunksPerBlock = 4;
boolean corruption = false;
boolean valid = false;
// test Closed Container
createContainerWithBlocks(containerID, normalBlocks, deletedBlocks, 65536,
@ -115,14 +114,14 @@ public TestKeyValueContainerCheck(String metadataImpl) {
containerID);
// first run checks on a Open Container
corruption = kvCheck.fastCheck();
assertFalse(corruption);
valid = kvCheck.fastCheck();
assertTrue(valid);
container.close();
// next run checks on a Closed Container
corruption = kvCheck.fullCheck();
assertFalse(corruption);
valid = kvCheck.fullCheck();
assertTrue(valid);
}
/**

2
hadoop-hdds/server-scm/src/main/java/org/apache/hadoop/hdds/scm/container/IncrementalContainerReportHandler.java
View File

@ -47,6 +47,8 @@ public IncrementalContainerReportHandler(
@Override
public void onMessage(final IncrementalContainerReportFromDatanode report,
final EventPublisher publisher) {
LOG.debug("Processing incremental container report from data node {}",
report.getDatanodeDetails().getUuid());
for (ContainerReplicaProto replicaProto :
report.getReport().getReportList()) {

211
hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/dn/scrubber/TestDataScrubber.java Normal file
View File

@ -0,0 +1,211 @@
/*
* 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.ozone.dn.scrubber;
import org.apache.hadoop.hdds.HddsConfigKeys;
import org.apache.hadoop.hdds.client.ReplicationFactor;
import org.apache.hadoop.hdds.client.ReplicationType;
import org.apache.hadoop.hdds.conf.OzoneConfiguration;
import org.apache.hadoop.hdds.protocol.proto.HddsProtos;
import org.apache.hadoop.hdds.protocol.proto.StorageContainerDatanodeProtocolProtos;
import org.apache.hadoop.hdds.scm.ScmConfigKeys;
import org.apache.hadoop.hdds.scm.container.ContainerID;
import org.apache.hadoop.hdds.scm.container.ContainerInfo;
import org.apache.hadoop.hdds.scm.container.ContainerManager;
import org.apache.hadoop.hdds.scm.container.ContainerReplica;
import org.apache.hadoop.hdds.scm.container.placement.algorithms.ContainerPlacementPolicy;
import org.apache.hadoop.hdds.scm.container.placement.algorithms.SCMContainerPlacementCapacity;
import org.apache.hadoop.hdds.scm.protocolPB.StorageContainerLocationProtocolClientSideTranslatorPB;
import org.apache.hadoop.ozone.HddsDatanodeService;
import org.apache.hadoop.ozone.MiniOzoneCluster;
import org.apache.hadoop.ozone.client.ObjectStore;
import org.apache.hadoop.ozone.client.OzoneClient;
import org.apache.hadoop.ozone.client.OzoneClientFactory;
import org.apache.hadoop.ozone.client.OzoneVolume;
import org.apache.hadoop.ozone.client.OzoneBucket;
import org.apache.hadoop.ozone.client.OzoneKey;
import org.apache.hadoop.ozone.client.io.OzoneInputStream;
import org.apache.hadoop.ozone.client.io.OzoneOutputStream;
import org.apache.hadoop.ozone.container.common.impl.ContainerSet;
import org.apache.hadoop.ozone.container.common.interfaces.Container;
import org.apache.hadoop.ozone.container.ozoneimpl.ContainerScrubber;
import org.apache.hadoop.ozone.container.ozoneimpl.OzoneContainer;
import org.apache.hadoop.ozone.om.OzoneManager;
import org.apache.hadoop.ozone.om.helpers.OmKeyArgs;
import org.apache.hadoop.ozone.om.helpers.OmKeyInfo;
import org.apache.hadoop.ozone.om.helpers.OmKeyLocationInfo;
import org.apache.hadoop.util.Time;
import org.junit.AfterClass;
import org.junit.Assert;
import org.junit.BeforeClass;
import org.junit.Test;
import java.io.IOException;
import java.util.HashMap;
import java.util.Set;
import java.util.UUID;
import java.io.File;
import static org.apache.hadoop.hdds.client.ReplicationFactor.ONE;
import static org.apache.hadoop.hdds.client.ReplicationType.STAND_ALONE;
/**
* This class tests the data scrubber functionality.
*/
public class TestDataScrubber {
private static MiniOzoneCluster cluster;
private static OzoneConfiguration ozoneConfig;
private static OzoneClient ozClient = null;
private static ObjectStore store = null;
private static OzoneManager ozoneManager;
private static StorageContainerLocationProtocolClientSideTranslatorPB
storageContainerLocationClient;
@BeforeClass
public static void init() throws Exception {
ozoneConfig = new OzoneConfiguration();
ozoneConfig.set(HddsConfigKeys.HDDS_CONTAINER_REPORT_INTERVAL, "1s");
ozoneConfig.setClass(ScmConfigKeys.OZONE_SCM_CONTAINER_PLACEMENT_IMPL_KEY,
SCMContainerPlacementCapacity.class, ContainerPlacementPolicy.class);
cluster = MiniOzoneCluster.newBuilder(ozoneConfig).setNumDatanodes(1)
.build();
cluster.waitForClusterToBeReady();
ozClient = OzoneClientFactory.getRpcClient(ozoneConfig);
store = ozClient.getObjectStore();
ozoneManager = cluster.getOzoneManager();
storageContainerLocationClient =
cluster.getStorageContainerLocationClient();
}
@AfterClass
public static void shutdown() throws IOException {
if (ozClient != null) {
ozClient.close();
}
if (storageContainerLocationClient != null) {
storageContainerLocationClient.close();
}
if (cluster != null) {
cluster.shutdown();
}
}
@Test
public void testOpenContainerIntegrity() throws Exception {
String volumeName = UUID.randomUUID().toString();
String bucketName = UUID.randomUUID().toString();
long currentTime = Time.now();
String value = "sample value";
store.createVolume(volumeName);
OzoneVolume volume = store.getVolume(volumeName);
volume.createBucket(bucketName);
OzoneBucket bucket = volume.getBucket(bucketName);
for (int i = 0; i < 10; i++) {
String keyName = UUID.randomUUID().toString();
OzoneOutputStream out = bucket.createKey(keyName,
value.getBytes().length, STAND_ALONE,
ONE, new HashMap<>());
out.write(value.getBytes());
out.close();
OzoneKey key = bucket.getKey(keyName);
Assert.assertEquals(keyName, key.getName());
OzoneInputStream is = bucket.readKey(keyName);
byte[] fileContent = new byte[value.getBytes().length];
is.read(fileContent);
Assert.assertTrue(verifyRatisReplication(volumeName, bucketName,
keyName, STAND_ALONE,
ONE));
Assert.assertEquals(value, new String(fileContent));
Assert.assertTrue(key.getCreationTime() >= currentTime);
Assert.assertTrue(key.getModificationTime() >= currentTime);
}
// wait for the container report to propagate to SCM
Thread.sleep(5000);
Assert.assertEquals(1, cluster.getHddsDatanodes().size());
HddsDatanodeService dn = cluster.getHddsDatanodes().get(0);
OzoneContainer oc = dn.getDatanodeStateMachine().getContainer();
ContainerSet cs = oc.getContainerSet();
Container c = cs.getContainerIterator().next();
Assert.assertTrue(cs.containerCount() > 0);
// delete the chunks directory.
File chunksDir = new File(c.getContainerData().getContainerPath(), "chunks");
deleteDirectory(chunksDir);
Assert.assertFalse(chunksDir.exists());
ContainerScrubber sb = new ContainerScrubber(ozoneConfig, oc.getController());
sb.scrub(c);
// wait for the incremental container report to propagate to SCM
Thread.sleep(5000);
ContainerManager cm = cluster.getStorageContainerManager().getContainerManager();
Set<ContainerReplica> replicas = cm.getContainerReplicas(
ContainerID.valueof(c.getContainerData().getContainerID()));
Assert.assertEquals(1, replicas.size());
ContainerReplica r = replicas.iterator().next();
Assert.assertEquals(StorageContainerDatanodeProtocolProtos.
ContainerReplicaProto.State.UNHEALTHY, r.getState());
}
boolean deleteDirectory(File directoryToBeDeleted) {
File[] allContents = directoryToBeDeleted.listFiles();
if (allContents != null) {
for (File file : allContents) {
deleteDirectory(file);
}
}
return directoryToBeDeleted.delete();
}
private boolean verifyRatisReplication(String volumeName, String bucketName,
String keyName, ReplicationType type, ReplicationFactor factor)
throws IOException {
OmKeyArgs keyArgs = new OmKeyArgs.Builder()
.setVolumeName(volumeName)
.setBucketName(bucketName)
.setKeyName(keyName)
.setRefreshPipeline(true)
.build();
HddsProtos.ReplicationType replicationType =
HddsProtos.ReplicationType.valueOf(type.toString());
HddsProtos.ReplicationFactor replicationFactor =
HddsProtos.ReplicationFactor.valueOf(factor.getValue());
OmKeyInfo keyInfo = ozoneManager.lookupKey(keyArgs);
for (OmKeyLocationInfo info :
keyInfo.getLatestVersionLocations().getLocationList()) {
ContainerInfo container =
storageContainerLocationClient.getContainer(info.getContainerID());
if (!container.getReplicationFactor().equals(replicationFactor) || (
container.getReplicationType() != replicationType)) {
return false;
}
}
return true;
}
}