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feat(import): add support for multiple hbase snapshot imports #4600
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182 changes: 182 additions & 0 deletions
182
...src/main/java/com/google/cloud/bigtable/beam/hbasesnapshots/HBaseSnapshotRestoreTool.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,182 @@ | ||
| /* | ||
| * Copyright 2024 Google LLC | ||
| * | ||
| * Licensed 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 com.google.cloud.bigtable.beam.hbasesnapshots; | ||
|
|
||
| import com.google.api.core.InternalExtensionOnly; | ||
| import com.google.cloud.bigtable.beam.hbasesnapshots.conf.ImportConfig; | ||
| import com.google.cloud.bigtable.beam.hbasesnapshots.conf.SnapshotConfig; | ||
| import com.google.common.annotations.VisibleForTesting; | ||
| import com.google.common.base.Preconditions; | ||
| import com.google.gson.Gson; | ||
| import com.google.gson.GsonBuilder; | ||
| import java.io.IOException; | ||
| import java.util.List; | ||
| import java.util.Map; | ||
| import org.apache.beam.sdk.extensions.gcp.options.GcsOptions; | ||
| import org.apache.beam.sdk.options.PipelineOptionsFactory; | ||
| import org.apache.commons.logging.Log; | ||
| import org.apache.commons.logging.LogFactory; | ||
| import org.apache.hadoop.conf.Configuration; | ||
| import org.apache.hadoop.fs.FileSystem; | ||
| import org.apache.hadoop.fs.Path; | ||
| import org.apache.hadoop.hbase.snapshot.RestoreSnapshotHelper; | ||
|
|
||
| /** | ||
| * Tool to restore HBase snapshots in GCS for scanning. This tool runs locally (without Dataflow) | ||
| * and copies snapshot files to a restore path, resolving HLinks and References so that they can be | ||
| * read by a scanner. | ||
| * | ||
|
tianlei2 marked this conversation as resolved.
|
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| * <p>Execute the following command to run the tool directly using system properties: | ||
| * | ||
| * <pre> | ||
| * {@code mvn compile exec:java \ | ||
| * -Dexec.mainClass=com.google.cloud.bigtable.beam.hbasesnapshots.HBaseSnapshotRestoreTool \ | ||
| * -Dproject=[PROJECT_ID] \ | ||
| * -DhbaseSnapshotSourceDir=gs://[BUCKET]/[HBASE_EXPORT_ROOT_PATH]/data \ | ||
| * -Dsnapshots=[SNAPSHOT_NAMES] \ | ||
| * -DrestorePath=gs://[BUCKET]/[HBASE_EXPORT_ROOT_PATH]/restore | ||
| * } | ||
| * </pre> | ||
| * | ||
| * <p>Alternatively, you can provide a path to a JSON configuration file: | ||
| * | ||
| * <pre> | ||
| * {@code mvn compile exec:java \ | ||
| * -Dexec.mainClass=com.google.cloud.bigtable.beam.hbasesnapshots.HBaseSnapshotRestoreTool \ | ||
| * -Dproject=[PROJECT_ID] \ | ||
| * -DimportConfigFilePath=[PATH_TO_JSON_CONFIG] | ||
| * } | ||
| * </pre> | ||
| * | ||
| * <p>The JSON configuration file should have the following format: | ||
| * | ||
| * <pre> | ||
| * { | ||
| * "sourcepath": "gs://[BUCKET]/[HBASE_EXPORT_ROOT_PATH]/data", | ||
| * "restorepath": "gs://[BUCKET]/[HBASE_EXPORT_ROOT_PATH]/restore", | ||
| * "snapshots": { | ||
| * "snapshot1": "table1", | ||
| * "snapshot2": "table2" | ||
| * } | ||
| * } | ||
| * </pre> | ||
| */ | ||
| @InternalExtensionOnly | ||
| public class HBaseSnapshotRestoreTool { | ||
| private static final Log LOG = LogFactory.getLog(HBaseSnapshotRestoreTool.class); | ||
|
|
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| private static final String PROJECT_PROPERTY = "project"; | ||
| private static final String IMPORT_CONFIG_FILE_PATH_PROPERTY = "importConfigFilePath"; | ||
| private static final String HBASE_SNAPSHOT_SOURCE_DIR_PROPERTY = "hbaseSnapshotSourceDir"; | ||
| private static final String SNAPSHOTS_PROPERTY = "snapshots"; | ||
| private static final String RESTORE_PATH_PROPERTY = "restorePath"; | ||
|
|
||
| public static void main(String[] args) throws Exception { | ||
| GcsOptions options = PipelineOptionsFactory.create().as(GcsOptions.class); | ||
| String project = System.getProperty(PROJECT_PROPERTY); | ||
| if (project != null) { | ||
| options.setProject(project); | ||
| } | ||
|
|
||
| ImportConfig importConfig = | ||
| System.getProperty(IMPORT_CONFIG_FILE_PATH_PROPERTY) != null | ||
| ? buildImportConfigFromConfigFile(System.getProperty(IMPORT_CONFIG_FILE_PATH_PROPERTY)) | ||
| : buildImportConfigFromArgs(options); | ||
|
|
||
| LOG.info( | ||
| String.format( | ||
| "SourcePath:%s, RestorePath:%s", | ||
| importConfig.getSourcepath(), importConfig.getRestorepath())); | ||
|
|
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| Map<String, String> configurations = | ||
| SnapshotUtils.getConfiguration( | ||
| null, // invoke from a DirectRunner without using dataflow | ||
| options.getProject(), | ||
| importConfig.getSourcepath(), | ||
| importConfig.getHbaseConfiguration()); | ||
|
|
||
| List<SnapshotConfig> snapshotConfigs = | ||
| SnapshotUtils.buildSnapshotConfigs( | ||
| importConfig.getSnapshots(), | ||
| configurations, | ||
| options.getProject(), | ||
| importConfig.getSourcepath(), | ||
| importConfig.getRestorepath()); | ||
|
|
||
| for (SnapshotConfig config : snapshotConfigs) { | ||
| restoreSnapshot(config); | ||
| } | ||
| } | ||
|
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| @VisibleForTesting | ||
| static ImportConfig buildImportConfigFromArgs(GcsOptions gcsOptions) throws IOException { | ||
| String sourceDir = System.getProperty(HBASE_SNAPSHOT_SOURCE_DIR_PROPERTY); | ||
| String snapshotsProperty = System.getProperty(SNAPSHOTS_PROPERTY); | ||
| Map<String, String> snapshots = null; | ||
| if (snapshotsProperty != null) { | ||
| snapshots = | ||
| (sourceDir != null && SnapshotUtils.isRegex(snapshotsProperty)) | ||
| ? SnapshotUtils.getSnapshotsFromSnapshotPath( | ||
| sourceDir, gcsOptions.getGcsUtil(), snapshotsProperty) | ||
| : SnapshotUtils.getSnapshotsFromString(snapshotsProperty); | ||
| } | ||
|
|
||
| ImportConfig importConfig = new ImportConfig(); | ||
| importConfig.setSourcepath(sourceDir); | ||
| if (snapshots != null) { | ||
| importConfig.setSnapshotsFromMap(snapshots); | ||
| } | ||
| importConfig.validate(); | ||
| SnapshotUtils.setRestorePath(System.getProperty(RESTORE_PATH_PROPERTY), importConfig); | ||
|
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| return importConfig; | ||
| } | ||
|
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| @VisibleForTesting | ||
| static ImportConfig buildImportConfigFromConfigFile(String configFilePath) throws Exception { | ||
| Gson gson = new GsonBuilder().create(); | ||
| ImportConfig importConfig = | ||
| gson.fromJson(SnapshotUtils.readFileContents(configFilePath), ImportConfig.class); | ||
| Preconditions.checkNotNull(importConfig, "ImportConfig parsed from file cannot be null."); | ||
| importConfig.validate(); | ||
| SnapshotUtils.setRestorePath(importConfig.getRestorepath(), importConfig); | ||
| return importConfig; | ||
| } | ||
|
|
||
| @VisibleForTesting | ||
| /** | ||
| * Creates a copy of Snasphsot from the source path into restore path. | ||
| * | ||
| * @param snapshotConfig - Snapshot Configuration | ||
| * @throws IOException | ||
| */ | ||
| static void restoreSnapshot(SnapshotConfig snapshotConfig) throws IOException { | ||
| Path sourcePath = snapshotConfig.getSourcePath(); | ||
| Path restorePath = snapshotConfig.getRestorePath(); | ||
| Configuration configuration = snapshotConfig.getConfiguration(); | ||
| LOG.info( | ||
| String.format("RestoreSnapshot - sourcePath:%s restorePath: %s", sourcePath, restorePath)); | ||
| FileSystem fileSystem = sourcePath.getFileSystem(configuration); | ||
| if (fileSystem.exists(restorePath)) { | ||
| LOG.info( | ||
| String.format( | ||
| "Restore path %s already exists, deleting it for idempotency", restorePath)); | ||
| fileSystem.delete(restorePath, true); | ||
|
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|
||
| } | ||
| RestoreSnapshotHelper.copySnapshotForScanner( | ||
| configuration, fileSystem, sourcePath, restorePath, snapshotConfig.getSnapshotName()); | ||
|
tianlei2 marked this conversation as resolved.
|
||
| } | ||
| } | ||
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