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Add repository metadata integrity check API
Relates elastic#52622
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...usterTest/java/org/elasticsearch/repositories/blobstore/BlobStoreMetadataIntegrityIT.java
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| /* | ||
| * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one | ||
| * or more contributor license agreements. Licensed under the Elastic License | ||
| * 2.0 and the Server Side Public License, v 1; you may not use this file except | ||
| * in compliance with, at your election, the Elastic License 2.0 or the Server | ||
| * Side Public License, v 1. | ||
| */ | ||
|
|
||
| package org.elasticsearch.repositories.blobstore; | ||
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|
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| import org.elasticsearch.action.admin.cluster.repositories.integrity.VerifyRepositoryIntegrityAction; | ||
| import org.elasticsearch.action.index.IndexRequestBuilder; | ||
| import org.elasticsearch.action.support.PlainActionFuture; | ||
| import org.elasticsearch.common.settings.Settings; | ||
| import org.elasticsearch.core.Releasable; | ||
| import org.elasticsearch.core.Releasables; | ||
| import org.elasticsearch.index.snapshots.blobstore.BlobStoreIndexShardSnapshotsIntegritySuppressor; | ||
| import org.elasticsearch.repositories.RepositoriesService; | ||
| import org.elasticsearch.repositories.RepositoryData; | ||
| import org.elasticsearch.repositories.RepositoryException; | ||
| import org.elasticsearch.repositories.RepositoryVerificationException; | ||
| import org.elasticsearch.rest.RestStatus; | ||
| import org.elasticsearch.snapshots.AbstractSnapshotIntegTestCase; | ||
| import org.elasticsearch.test.CorruptionUtils; | ||
| import org.junit.After; | ||
| import org.junit.Before; | ||
|
|
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| import java.nio.file.Files; | ||
| import java.nio.file.Path; | ||
| import java.util.ArrayList; | ||
| import java.util.List; | ||
| import java.util.concurrent.TimeUnit; | ||
| import java.util.concurrent.atomic.AtomicBoolean; | ||
| import java.util.stream.Collectors; | ||
|
|
||
| import static org.elasticsearch.test.hamcrest.ElasticsearchAssertions.assertAcked; | ||
| import static org.hamcrest.Matchers.allOf; | ||
| import static org.hamcrest.Matchers.containsString; | ||
| import static org.hamcrest.Matchers.empty; | ||
| import static org.hamcrest.Matchers.equalTo; | ||
| import static org.hamcrest.Matchers.not; | ||
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| public class BlobStoreMetadataIntegrityIT extends AbstractSnapshotIntegTestCase { | ||
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| private static final String REPOSITORY_NAME = "test-repo"; | ||
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| private Releasable integrityCheckSuppressor; | ||
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| @Before | ||
| public void suppressIntegrityChecks() { | ||
| disableRepoConsistencyCheck("testing integrity checks involves breaking the repo"); | ||
| assertNull(integrityCheckSuppressor); | ||
| integrityCheckSuppressor = new BlobStoreIndexShardSnapshotsIntegritySuppressor(); | ||
| } | ||
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| @After | ||
| public void enableIntegrityChecks() { | ||
| Releasables.closeExpectNoException(integrityCheckSuppressor); | ||
| integrityCheckSuppressor = null; | ||
| } | ||
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| public void testIntegrityCheck() throws Exception { | ||
| final var repoPath = randomRepoPath(); | ||
| createRepository( | ||
| REPOSITORY_NAME, | ||
| "fs", | ||
| Settings.builder().put(BlobStoreRepository.SUPPORT_URL_REPO.getKey(), false).put("location", repoPath) | ||
| ); | ||
| final var repository = internalCluster().getCurrentMasterNodeInstance(RepositoriesService.class).repository(REPOSITORY_NAME); | ||
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| final var indexCount = between(1, 3); | ||
| for (int i = 0; i < indexCount; i++) { | ||
| createIndexWithRandomDocs("test-index-" + i, between(1, 1000)); | ||
| } | ||
|
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| for (int snapshotIndex = 0; snapshotIndex < 4; snapshotIndex++) { | ||
| final var indexRequests = new ArrayList<IndexRequestBuilder>(); | ||
| for (int i = 0; i < indexCount; i++) { | ||
| if (randomBoolean()) { | ||
| final var indexName = "test-index-" + i; | ||
| if (randomBoolean()) { | ||
| assertAcked(client().admin().indices().prepareDelete(indexName)); | ||
| createIndexWithRandomDocs(indexName, between(1, 1000)); | ||
| } | ||
| final var numDocs = between(1, 1000); | ||
| for (int doc = 0; doc < numDocs; doc++) { | ||
| indexRequests.add(client().prepareIndex(indexName).setSource("field1", "bar " + doc)); | ||
| } | ||
| } | ||
| } | ||
| indexRandom(true, indexRequests); | ||
| assertEquals(0, client().admin().indices().prepareFlush().get().getFailedShards()); | ||
| createFullSnapshot(REPOSITORY_NAME, "test-snapshot-" + snapshotIndex); | ||
| } | ||
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| final var request = new VerifyRepositoryIntegrityAction.Request(REPOSITORY_NAME, 5, 5, 5, 5, 10000, false); | ||
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| final var response = PlainActionFuture.<VerifyRepositoryIntegrityAction.Response, RuntimeException>get( | ||
| listener -> client().execute(VerifyRepositoryIntegrityAction.INSTANCE, request, listener), | ||
| 30, | ||
| TimeUnit.SECONDS | ||
| ); | ||
| assertThat(response.getRestStatus(), equalTo(RestStatus.OK)); | ||
| assertThat(response.getExceptions(), empty()); | ||
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| final var tempDir = createTempDir(); | ||
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| final List<Path> blobs; | ||
| try (var paths = Files.walk(repoPath)) { | ||
| blobs = paths.filter(Files::isRegularFile).sorted().toList(); | ||
| } | ||
| for (final var blob : blobs) { | ||
| logger.info("repo contents: {}", blob); | ||
| } | ||
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| final var repositoryDataFuture = new PlainActionFuture<RepositoryData>(); | ||
| repository.getRepositoryData(repositoryDataFuture); | ||
| final var repositoryData = repositoryDataFuture.get(); | ||
| final var repositoryDataBlob = repoPath.resolve("index-" + repositoryData.getGenId()); | ||
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||
| for (int i = 0; i < 2000; i++) { | ||
| final var blobToDamage = randomFrom(blobs); | ||
| final var isDataBlob = blobToDamage.getFileName().toString().startsWith(BlobStoreRepository.UPLOADED_DATA_BLOB_PREFIX); | ||
| final var isIndexBlob = blobToDamage.equals(repositoryDataBlob); | ||
| if (isDataBlob || isIndexBlob || randomBoolean()) { | ||
| logger.info("--> deleting {}", blobToDamage); | ||
| Files.move(blobToDamage, tempDir.resolve("tmp")); | ||
| } else { | ||
| logger.info("--> corrupting {}", blobToDamage); | ||
| Files.copy(blobToDamage, tempDir.resolve("tmp")); | ||
| CorruptionUtils.corruptFile(random(), blobToDamage); | ||
| } | ||
| try { | ||
| final var isCancelled = new AtomicBoolean(); | ||
|
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| final var verificationResponse = PlainActionFuture.get( | ||
| (PlainActionFuture<List<RepositoryVerificationException>> listener) -> repository.verifyMetadataIntegrity( | ||
| request, | ||
| listener, | ||
| () -> { | ||
| if (rarely() && rarely()) { | ||
| isCancelled.set(true); | ||
| return true; | ||
| } | ||
| return isCancelled.get(); | ||
| } | ||
| ), | ||
| 30, | ||
| TimeUnit.SECONDS | ||
| ); | ||
| assertThat(verificationResponse, not(empty())); | ||
| final var responseString = verificationResponse.stream().map(Throwable::getMessage).collect(Collectors.joining("\n")); | ||
| if (isCancelled.get()) { | ||
| assertThat(responseString, containsString("verification task cancelled before completion")); | ||
| } | ||
| if (isDataBlob && isCancelled.get() == false) { | ||
| assertThat( | ||
| responseString, | ||
| allOf(containsString(blobToDamage.getFileName().toString()), containsString("missing blob")) | ||
| ); | ||
| } | ||
| } catch (RepositoryException e) { | ||
| // ok, this means e.g. we couldn't even read the index blob | ||
| } finally { | ||
| Files.deleteIfExists(blobToDamage); | ||
| Files.move(tempDir.resolve("tmp"), blobToDamage); | ||
| } | ||
|
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| final var repairResponse = PlainActionFuture.<VerifyRepositoryIntegrityAction.Response, RuntimeException>get( | ||
| listener -> client().execute(VerifyRepositoryIntegrityAction.INSTANCE, request, listener), | ||
| 30, | ||
| TimeUnit.SECONDS | ||
| ); | ||
| assertThat(repairResponse.getRestStatus(), equalTo(RestStatus.OK)); | ||
| assertThat(repairResponse.getExceptions(), empty()); | ||
| } | ||
| } | ||
| } |
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