diff --git a/server/src/main/java/org/opensearch/gateway/remote/RemoteIndexMetadataManager.java b/server/src/main/java/org/opensearch/gateway/remote/RemoteIndexMetadataManager.java index a84161b202a22..c595f19279354 100644 --- a/server/src/main/java/org/opensearch/gateway/remote/RemoteIndexMetadataManager.java +++ b/server/src/main/java/org/opensearch/gateway/remote/RemoteIndexMetadataManager.java @@ -26,10 +26,7 @@ import org.opensearch.threadpool.ThreadPool; import java.io.IOException; -import java.util.HashMap; import java.util.Locale; -import java.util.Map; -import java.util.Objects; /** * A Manager which provides APIs to write and read Index Metadata to remote store @@ -136,24 +133,6 @@ IndexMetadata getIndexMetadata(ClusterMetadataManifest.UploadedIndexMetadata upl } } - /** - * Fetch latest index metadata from remote cluster state - * - * @param clusterMetadataManifest manifest file of cluster - * @param clusterUUID uuid of cluster state to refer to in remote - * @return {@code Map} latest IndexUUID to IndexMetadata map - */ - Map getIndexMetadataMap(String clusterUUID, ClusterMetadataManifest clusterMetadataManifest) { - assert Objects.equals(clusterUUID, clusterMetadataManifest.getClusterUUID()) - : "Corrupt ClusterMetadataManifest found. Cluster UUID mismatch."; - Map remoteIndexMetadata = new HashMap<>(); - for (ClusterMetadataManifest.UploadedIndexMetadata uploadedIndexMetadata : clusterMetadataManifest.getIndices()) { - IndexMetadata indexMetadata = getIndexMetadata(uploadedIndexMetadata, clusterUUID); - remoteIndexMetadata.put(uploadedIndexMetadata.getIndexUUID(), indexMetadata); - } - return remoteIndexMetadata; - } - public TimeValue getIndexMetadataUploadTimeout() { return this.indexMetadataUploadTimeout; } diff --git a/server/src/test/java/org/opensearch/gateway/remote/RemoteIndexMetadataManagerTests.java b/server/src/test/java/org/opensearch/gateway/remote/RemoteIndexMetadataManagerTests.java new file mode 100644 index 0000000000000..817fc7b55d09a --- /dev/null +++ b/server/src/test/java/org/opensearch/gateway/remote/RemoteIndexMetadataManagerTests.java @@ -0,0 +1,190 @@ +/* + * SPDX-License-Identifier: Apache-2.0 + * + * The OpenSearch Contributors require contributions made to + * this file be licensed under the Apache-2.0 license or a + * compatible open source license. + */ + +package org.opensearch.gateway.remote; + +import org.opensearch.Version; +import org.opensearch.action.LatchedActionListener; +import org.opensearch.cluster.metadata.AliasMetadata; +import org.opensearch.cluster.metadata.IndexMetadata; +import org.opensearch.common.Nullable; +import org.opensearch.common.blobstore.AsyncMultiStreamBlobContainer; +import org.opensearch.common.blobstore.BlobContainer; +import org.opensearch.common.blobstore.BlobPath; +import org.opensearch.common.blobstore.BlobStore; +import org.opensearch.common.blobstore.stream.write.WritePriority; +import org.opensearch.common.settings.ClusterSettings; +import org.opensearch.common.settings.Settings; +import org.opensearch.common.util.TestCapturingListener; +import org.opensearch.core.action.ActionListener; +import org.opensearch.core.compress.Compressor; +import org.opensearch.core.compress.NoneCompressor; +import org.opensearch.gateway.remote.model.RemoteReadResult; +import org.opensearch.index.remote.RemoteStoreUtils; +import org.opensearch.index.translog.transfer.BlobStoreTransferService; +import org.opensearch.repositories.blobstore.BlobStoreRepository; +import org.opensearch.test.OpenSearchTestCase; +import org.opensearch.threadpool.TestThreadPool; +import org.opensearch.threadpool.ThreadPool; +import org.junit.After; +import org.junit.Before; + +import java.io.IOException; +import java.util.concurrent.CountDownLatch; + +import static org.opensearch.gateway.remote.RemoteClusterStateService.FORMAT_PARAMS; +import static org.opensearch.gateway.remote.RemoteClusterStateUtils.DELIMITER; +import static org.opensearch.gateway.remote.RemoteClusterStateUtils.PATH_DELIMITER; +import static org.opensearch.gateway.remote.model.RemoteIndexMetadata.INDEX; +import static org.opensearch.gateway.remote.model.RemoteIndexMetadata.INDEX_METADATA_FORMAT; +import static org.mockito.ArgumentMatchers.any; +import static org.mockito.ArgumentMatchers.anyIterable; +import static org.mockito.ArgumentMatchers.anyString; +import static org.mockito.ArgumentMatchers.eq; +import static org.mockito.Mockito.doAnswer; +import static org.mockito.Mockito.doThrow; +import static org.mockito.Mockito.mock; +import static org.mockito.Mockito.when; + +public class RemoteIndexMetadataManagerTests extends OpenSearchTestCase { + + private RemoteIndexMetadataManager remoteIndexMetadataManager; + private BlobStoreRepository blobStoreRepository; + private BlobStoreTransferService blobStoreTransferService; + private Compressor compressor; + private final ThreadPool threadPool = new TestThreadPool(getClass().getName()); + + @Before + public void setup() { + ClusterSettings clusterSettings = new ClusterSettings(Settings.EMPTY, ClusterSettings.BUILT_IN_CLUSTER_SETTINGS); + blobStoreRepository = mock(BlobStoreRepository.class); + BlobPath blobPath = new BlobPath().add("random-path"); + when((blobStoreRepository.basePath())).thenReturn(blobPath); + blobStoreTransferService = mock(BlobStoreTransferService.class); + compressor = new NoneCompressor(); + when(blobStoreRepository.getCompressor()).thenReturn(compressor); + remoteIndexMetadataManager = new RemoteIndexMetadataManager( + clusterSettings, + "test-cluster", + blobStoreRepository, + blobStoreTransferService, + threadPool + ); + } + + @After + public void tearDown() throws Exception { + super.tearDown(); + threadPool.shutdown(); + } + + public void testGetAsyncIndexMetadataWriteAction_Success() throws Exception { + IndexMetadata indexMetadata = getIndexMetadata(randomAlphaOfLength(10), randomBoolean(), randomAlphaOfLength(10)); + BlobContainer blobContainer = mock(AsyncMultiStreamBlobContainer.class); + BlobStore blobStore = mock(BlobStore.class); + when(blobStore.blobContainer(any())).thenReturn(blobContainer); + TestCapturingListener listener = new TestCapturingListener<>(); + CountDownLatch latch = new CountDownLatch(1); + String expectedFilePrefix = String.join(DELIMITER, "metadata", RemoteStoreUtils.invertLong(indexMetadata.getVersion())); + + doAnswer((invocationOnMock -> { + invocationOnMock.getArgument(4, ActionListener.class).onResponse(null); + return null; + })).when(blobStoreTransferService).uploadBlob(any(), any(), any(), eq(WritePriority.URGENT), any(ActionListener.class)); + + remoteIndexMetadataManager.getAsyncIndexMetadataWriteAction( + indexMetadata, + "cluster-uuid", + new LatchedActionListener<>(listener, latch) + ).run(); + latch.await(); + + assertNull(listener.getFailure()); + assertNotNull(listener.getResult()); + ClusterMetadataManifest.UploadedMetadata uploadedMetadata = listener.getResult(); + assertEquals(INDEX + "--" + indexMetadata.getIndex().getName(), uploadedMetadata.getComponent()); + String uploadedFileName = uploadedMetadata.getUploadedFilename(); + String[] pathTokens = uploadedFileName.split(PATH_DELIMITER); + assertEquals(7, pathTokens.length); + assertEquals(INDEX, pathTokens[4]); + assertEquals(indexMetadata.getIndex().getUUID(), pathTokens[5]); + assertTrue(pathTokens[6].startsWith(expectedFilePrefix)); + } + + public void testGetAsyncIndexMetadataWriteAction_IOFailure() throws Exception { + IndexMetadata indexMetadata = getIndexMetadata(randomAlphaOfLength(10), randomBoolean(), randomAlphaOfLength(10)); + BlobContainer blobContainer = mock(AsyncMultiStreamBlobContainer.class); + BlobStore blobStore = mock(BlobStore.class); + when(blobStore.blobContainer(any())).thenReturn(blobContainer); + TestCapturingListener listener = new TestCapturingListener<>(); + CountDownLatch latch = new CountDownLatch(1); + + doAnswer((invocationOnMock -> { + invocationOnMock.getArgument(4, ActionListener.class).onFailure(new IOException("failure")); + return null; + })).when(blobStoreTransferService).uploadBlob(any(), any(), any(), eq(WritePriority.URGENT), any(ActionListener.class)); + + remoteIndexMetadataManager.getAsyncIndexMetadataWriteAction( + indexMetadata, + "cluster-uuid", + new LatchedActionListener<>(listener, latch) + ).run(); + latch.await(); + assertNull(listener.getResult()); + assertNotNull(listener.getFailure()); + assertTrue(listener.getFailure() instanceof RemoteStateTransferException); + } + + public void testGetAsyncIndexMetadataReadAction_Success() throws Exception { + IndexMetadata indexMetadata = getIndexMetadata(randomAlphaOfLength(10), randomBoolean(), randomAlphaOfLength(10)); + String fileName = randomAlphaOfLength(10); + fileName = fileName + DELIMITER + '2'; + when(blobStoreTransferService.downloadBlob(anyIterable(), anyString())).thenReturn( + INDEX_METADATA_FORMAT.serialize(indexMetadata, fileName, compressor, FORMAT_PARAMS).streamInput() + ); + TestCapturingListener listener = new TestCapturingListener<>(); + CountDownLatch latch = new CountDownLatch(1); + + remoteIndexMetadataManager.getAsyncIndexMetadataReadAction("cluster-uuid", fileName, new LatchedActionListener<>(listener, latch)) + .run(); + latch.await(); + assertNull(listener.getFailure()); + assertNotNull(listener.getResult()); + assertEquals(indexMetadata, listener.getResult().getObj()); + } + + public void testGetAsyncIndexMetadataReadAction_IOFailure() throws Exception { + String fileName = randomAlphaOfLength(10); + fileName = fileName + DELIMITER + '2'; + Exception exception = new IOException("testing failure"); + doThrow(exception).when(blobStoreTransferService).downloadBlob(anyIterable(), anyString()); + TestCapturingListener listener = new TestCapturingListener<>(); + CountDownLatch latch = new CountDownLatch(1); + + remoteIndexMetadataManager.getAsyncIndexMetadataReadAction("cluster-uuid", fileName, new LatchedActionListener<>(listener, latch)) + .run(); + latch.await(); + assertNull(listener.getResult()); + assertNotNull(listener.getFailure()); + assertEquals(exception, listener.getFailure()); + } + + private IndexMetadata getIndexMetadata(String name, @Nullable Boolean writeIndex, String... aliases) { + IndexMetadata.Builder builder = IndexMetadata.builder(name) + .settings( + Settings.builder() + .put("index.version.created", Version.CURRENT.id) + .put("index.number_of_shards", 1) + .put("index.number_of_replicas", 1) + ); + for (String alias : aliases) { + builder.putAlias(AliasMetadata.builder(alias).writeIndex(writeIndex).build()); + } + return builder.build(); + } +}