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HDDS-10367. Fix possible NPE in listKeysLight, listStatus, listStatus…
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…Light (#6221)
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@ivanzlenko
ivanzlenko authored Feb 28, 2024
1 parent 543c9e7 commit 1830fe2
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45 changes: 25 additions & 20 deletions ...ava/org/apache/hadoop/ozone/om/protocolPB/OzoneManagerProtocolClientSideTranslatorPB.java
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Original file line number Diff line number Diff line change
Expand Up @@ -265,7 +265,6 @@ public final class OzoneManagerProtocolClientSideTranslatorPB
private OmTransport transport;
private ThreadLocal<S3Auth> threadLocalS3Auth
= new ThreadLocal<>();

private boolean s3AuthCheck;

public static final int BLOCK_ALLOCATION_RETRY_COUNT = 5;
Expand Down Expand Up @@ -1044,7 +1043,7 @@ public ListKeysLightResult listKeysLight(String volumeName,
reqBuilder.setBucketName(bucketName);
reqBuilder.setCount(maxKeys);

if (StringUtils.isNotEmpty(startKey)) {
if (startKey != null) {
reqBuilder.setStartKey(startKey);
}

Expand Down Expand Up @@ -2288,16 +2287,9 @@ public List<OzoneFileStatus> listStatus(OmKeyArgs args, boolean recursive,
.setSortDatanodes(args.getSortDatanodes())
.setLatestVersionLocation(args.getLatestVersionLocation())
.build();
ListStatusRequest.Builder listStatusRequestBuilder =
ListStatusRequest.newBuilder()
.setKeyArgs(keyArgs)
.setRecursive(recursive)
.setStartKey(startKey)
.setNumEntries(numEntries);

if (allowPartialPrefixes) {
listStatusRequestBuilder.setAllowPartialPrefix(allowPartialPrefixes);
}
ListStatusRequest.Builder listStatusRequestBuilder = createListStatusRequestBuilder(keyArgs, recursive, startKey,
numEntries, allowPartialPrefixes);

OMRequest omRequest = createOMRequest(Type.ListStatus)
.setListStatusRequest(listStatusRequestBuilder.build())
Expand All @@ -2324,16 +2316,9 @@ public List<OzoneFileStatusLight> listStatusLight(OmKeyArgs args,
.setSortDatanodes(false)
.setLatestVersionLocation(true)
.build();
ListStatusRequest.Builder listStatusRequestBuilder =
ListStatusRequest.newBuilder()
.setKeyArgs(keyArgs)
.setRecursive(recursive)
.setStartKey(startKey)
.setNumEntries(numEntries);

if (allowPartialPrefixes) {
listStatusRequestBuilder.setAllowPartialPrefix(allowPartialPrefixes);
}
ListStatusRequest.Builder listStatusRequestBuilder = createListStatusRequestBuilder(keyArgs, recursive, startKey,
numEntries, allowPartialPrefixes);

OMRequest omRequest = createOMRequest(Type.ListStatusLight)
.setListStatusRequest(listStatusRequestBuilder.build())
Expand All @@ -2350,6 +2335,26 @@ public List<OzoneFileStatusLight> listStatusLight(OmKeyArgs args,
return statusList;
}

private ListStatusRequest.Builder createListStatusRequestBuilder(KeyArgs keyArgs, boolean recursive, String startKey,
long numEntries, boolean allowPartialPrefixes) {
ListStatusRequest.Builder listStatusRequestBuilder =
ListStatusRequest.newBuilder()
.setKeyArgs(keyArgs)
.setRecursive(recursive)
.setNumEntries(numEntries);

if (startKey != null) {
listStatusRequestBuilder.setStartKey(startKey);
} else {
listStatusRequestBuilder.setStartKey("");
}

if (allowPartialPrefixes) {
listStatusRequestBuilder.setAllowPartialPrefix(allowPartialPrefixes);
}
return listStatusRequestBuilder;
}

@Override
public List<OzoneFileStatus> listStatus(OmKeyArgs args, boolean recursive,
String startKey, long numEntries) throws IOException {
Expand Down
27 changes: 27 additions & 0 deletions ...-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/om/TestListKeysWithFSO.java
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Original file line number Diff line number Diff line change
Expand Up @@ -63,6 +63,8 @@ public class TestListKeysWithFSO {
private static OzoneBucket fsoOzoneBucket;
private static OzoneBucket legacyOzoneBucket2;
private static OzoneBucket fsoOzoneBucket2;
private static OzoneBucket emptyLegacyOzoneBucket;
private static OzoneBucket emptyFsoOzoneBucket;
private static OzoneClient client;

/**
Expand Down Expand Up @@ -105,6 +107,10 @@ public static void init() throws Exception {
ozoneVolume.createBucket(fsoBucketName, omBucketArgs);
fsoOzoneBucket2 = ozoneVolume.getBucket(fsoBucketName);

fsoBucketName = "bucket" + RandomStringUtils.randomNumeric(5);
ozoneVolume.createBucket(fsoBucketName, omBucketArgs);
emptyFsoOzoneBucket = ozoneVolume.getBucket(fsoBucketName);

builder = BucketArgs.newBuilder();
builder.setStorageType(StorageType.DISK);
builder.setBucketLayout(BucketLayout.LEGACY);
Expand All @@ -113,6 +119,10 @@ public static void init() throws Exception {
ozoneVolume.createBucket(legacyBucketName, omBucketArgs);
legacyOzoneBucket2 = ozoneVolume.getBucket(legacyBucketName);

legacyBucketName = "bucket" + RandomStringUtils.randomNumeric(5);
ozoneVolume.createBucket(legacyBucketName, omBucketArgs);
emptyLegacyOzoneBucket = ozoneVolume.getBucket(legacyBucketName);

initFSNameSpace();
}

Expand Down Expand Up @@ -479,6 +489,23 @@ public void testShallowListKeys() throws Exception {
expectedKeys =
getExpectedKeyShallowList(keyPrefix, startKey, legacyOzoneBucket);
checkKeyShallowList(keyPrefix, startKey, expectedKeys, fsoOzoneBucket);

// case-7: keyPrefix corresponds to multiple existing keys and
// startKey is null in empty bucket
keyPrefix = "a1/b1/c12";
startKey = null;
// a1/b1/c1222.tx
expectedKeys =
getExpectedKeyShallowList(keyPrefix, startKey, emptyLegacyOzoneBucket);
checkKeyShallowList(keyPrefix, startKey, expectedKeys, emptyFsoOzoneBucket);

// case-8: keyPrefix corresponds to multiple existing keys and
// startKey is null
keyPrefix = "a1/b1/c12";
// a1/b1/c1222.tx
expectedKeys =
getExpectedKeyShallowList(keyPrefix, startKey, legacyOzoneBucket);
checkKeyShallowList(keyPrefix, startKey, expectedKeys, fsoOzoneBucket);
}

/**
Expand Down
99 changes: 44 additions & 55 deletions hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/om/TestListStatus.java
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Original file line number Diff line number Diff line change
Expand Up @@ -16,10 +16,10 @@
*/
package org.apache.hadoop.ozone.om;

import org.apache.hadoop.hdds.utils.IOUtils;
import org.apache.hadoop.hdds.client.RatisReplicationConfig;
import org.apache.hadoop.hdds.conf.OzoneConfiguration;
import org.apache.hadoop.hdds.protocol.proto.HddsProtos;
import org.apache.hadoop.hdds.utils.IOUtils;
import org.apache.hadoop.ozone.MiniOzoneCluster;
import org.apache.hadoop.ozone.TestDataUtil;
import org.apache.hadoop.ozone.client.OzoneBucket;
Expand All @@ -29,36 +29,42 @@
import org.apache.hadoop.ozone.om.helpers.OzoneFileStatus;
import org.junit.jupiter.api.AfterAll;
import org.junit.jupiter.api.BeforeAll;
import org.junit.jupiter.api.Test;
import org.junit.jupiter.api.Timeout;
import org.junit.jupiter.params.ParameterizedTest;
import org.junit.jupiter.params.provider.Arguments;
import org.junit.jupiter.params.provider.MethodSource;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import java.io.IOException;
import java.util.List;
import java.util.stream.Stream;

import static org.apache.hadoop.ozone.OzoneConfigKeys.OZONE_FS_ITERATE_BATCH_SIZE;
import static org.assertj.core.api.Assertions.assertThat;
import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.apache.hadoop.ozone.OzoneConfigKeys.
OZONE_FS_ITERATE_BATCH_SIZE;
import static org.junit.jupiter.params.provider.Arguments.arguments;

/**
* A simple test that asserts that list status output is sorted.
*/
@Timeout(1200)
public class TestListStatus {
private static final Logger LOG = LoggerFactory.getLogger(TestListStatus.class);

private static MiniOzoneCluster cluster = null;
private static OzoneConfiguration conf;
private static OzoneBucket fsoOzoneBucket;
private static OzoneClient client;

/**
* Create a MiniDFSCluster for testing.
* <p>
*
* @throws IOException
* @throws IOException in case of I/O error
*/
@BeforeAll
public static void init() throws Exception {
conf = new OzoneConfiguration();
OzoneConfiguration conf = new OzoneConfiguration();
conf.setBoolean(OMConfigKeys.OZONE_OM_ENABLE_FILESYSTEM_PATHS,
true);
cluster = MiniOzoneCluster.newBuilder(conf).build();
Expand All @@ -69,7 +75,7 @@ public static void init() throws Exception {
fsoOzoneBucket = TestDataUtil
.createVolumeAndBucket(client, BucketLayout.FILE_SYSTEM_OPTIMIZED);

// Set the number of keys to be processed during batch operate.
// Set the number of keys to be processed during batch operated.
conf.setInt(OZONE_FS_ITERATE_BATCH_SIZE, 5);

buildNameSpaceTree(fsoOzoneBucket);
Expand All @@ -83,44 +89,30 @@ public static void teardownClass() {
}
}

@Test
public void testSortedListStatus() throws Exception {
// a) test if output is sorted
checkKeyList("", "", 1000, 10, false);

// b) number of keys returns is expected
checkKeyList("", "", 2, 2, false);

// c) check if full prefix works
checkKeyList("a1", "", 100, 3, false);

// d) check if full prefix with numEntries work
checkKeyList("a1", "", 2, 2, false);

// e) check if existing start key >>>
checkKeyList("a1", "a1/a12", 100, 2, false);

// f) check with non-existing start key
checkKeyList("", "a7", 100, 6, false);

// g) check if half prefix works
checkKeyList("b", "", 100, 4, true);

// h) check half prefix with non-existing start key
checkKeyList("b", "b5", 100, 2, true);

// i) check half prefix with non-existing parent in start key
checkKeyList("b", "c", 100, 0, true);

// i) check half prefix with non-existing parent in start key
checkKeyList("b", "b/g5", 100, 4, true);

// i) check half prefix with non-existing parent in start key
checkKeyList("b", "c/g5", 100, 0, true);
@MethodSource("sortedListStatusParametersSource")
@ParameterizedTest(name = "{index} {5}")
public void testSortedListStatus(String keyPrefix, String startKey, int numEntries, int expectedNumKeys,
boolean isPartialPrefix, String testName) throws Exception {
checkKeyList(keyPrefix, startKey, numEntries, expectedNumKeys, isPartialPrefix);
}

// j) check prefix with non-existing prefix key
// and non-existing parent in start key
checkKeyList("a1/a111", "a1/a111/a100", 100, 0, true);
private static Stream<Arguments> sortedListStatusParametersSource() {
return Stream.of(
arguments("", "", 1000, 10, false, "Test if output is sorted"),
arguments("", "", 2, 2, false, "Number of keys returns is expected"),
arguments("a1", "", 100, 3, false, "Check if the full prefix works"),
arguments("a1", "", 2, 2, false, "Check if full prefix with numEntries work"),
arguments("a1", "a1/a12", 100, 2, false, "Check if existing start key >>>"),
arguments("", "a7", 100, 6, false, "Check with a non-existing start key"),
arguments("b", "", 100, 4, true, "Check if half-prefix works"),
arguments("b", "b5", 100, 2, true, "Check half prefix with non-existing start key"),
arguments("b", "c", 100, 0, true, "Check half prefix with non-existing parent in a start key"),
arguments("b", "b/g5", 100, 4, true, "Check half prefix with non-existing parent in a start key"),
arguments("b", "c/g5", 100, 0, true, "Check half prefix with non-existing parent in a start key"),
arguments("a1/a111", "a1/a111/a100", 100, 0, true, "Check prefix with a non-existing prefix key\n" +
" and non-existing parent in a start key"),
arguments("a1/a111", null, 100, 0, true, "Check start key is null")
);
}

private static void createFile(OzoneBucket bucket, String keyName)
Expand All @@ -131,6 +123,7 @@ private static void createFile(OzoneBucket bucket, String keyName)
oos.flush();
}
}

private static void buildNameSpaceTree(OzoneBucket ozoneBucket)
throws Exception {
/*
Expand Down Expand Up @@ -172,33 +165,29 @@ private static void buildNameSpaceTree(OzoneBucket ozoneBucket)
createFile(ozoneBucket, "/b8");
}

private void checkKeyList(String keyPrefix, String startKey,
long numEntries, int expectedNumKeys,
boolean isPartialPrefix)
throws Exception {
private void checkKeyList(String keyPrefix, String startKey, long numEntries, int expectedNumKeys,
boolean isPartialPrefix) throws Exception {

List<OzoneFileStatus> statuses =
fsoOzoneBucket.listStatus(keyPrefix, false, startKey,
numEntries, isPartialPrefix);
assertEquals(expectedNumKeys, statuses.size());

System.out.println("BEGIN:::keyPrefix---> " + keyPrefix + ":::---> " +
startKey);
LOG.info("BEGIN:::keyPrefix---> {} :::---> {}", keyPrefix, startKey);

for (int i = 0; i < statuses.size() - 1; i++) {
OzoneFileStatus stCurr = statuses.get(i);
OzoneFileStatus stNext = statuses.get(i + 1);

System.out.println("status:" + stCurr);
LOG.info("status: {}", stCurr);
assertThat(stCurr.getPath().compareTo(stNext.getPath())).isLessThan(0);
}

if (!statuses.isEmpty()) {
OzoneFileStatus stNext = statuses.get(statuses.size() - 1);
System.out.println("status:" + stNext);
LOG.info("status: {}", stNext);
}

System.out.println("END:::keyPrefix---> " + keyPrefix + ":::---> " +
startKey);
LOG.info("END:::keyPrefix---> {}:::---> {}", keyPrefix, startKey);
}
}

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