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New files for configuring HBaseSnapshotInputFormat resovle version conflict and upgrade Beam version to 2.24.0 revert disk option change, not enough quota Code reorg code reduction Refactor naming Add integration config Add unit test for HBaseSnapshotInputConfiguration Set up skeleton for integration testing Ship test data with code, integration tests pass Clean up code for PR Add HBase commands that generates our test snapshot
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...n/java/com/google/cloud/bigtable/beam/hbasesnapshots/HBaseSnapshotInputConfiguration.java
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| /* | ||
| * Copyright 2017 Google Inc. All Rights Reserved. | ||
| * | ||
| * 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; | ||
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| import static java.lang.System.*; | ||
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| import com.google.common.base.Preconditions; | ||
| import org.apache.beam.sdk.io.hadoop.SerializableConfiguration; | ||
| import org.apache.beam.sdk.options.ValueProvider; | ||
| import org.apache.commons.logging.Log; | ||
| import org.apache.commons.logging.LogFactory; | ||
| import org.apache.hadoop.conf.Configuration; | ||
| import org.apache.hadoop.fs.Path; | ||
| import org.apache.hadoop.hbase.HBaseConfiguration; | ||
| import org.apache.hadoop.hbase.client.Result; | ||
| import org.apache.hadoop.hbase.client.Scan; | ||
| import org.apache.hadoop.hbase.io.ImmutableBytesWritable; | ||
| import org.apache.hadoop.hbase.mapreduce.TableInputFormat; | ||
| import org.apache.hadoop.hbase.mapreduce.TableSnapshotInputFormat; | ||
| import org.apache.hadoop.hbase.protobuf.ProtobufUtil; | ||
| import org.apache.hadoop.hbase.protobuf.generated.ClientProtos; | ||
| import org.apache.hadoop.hbase.util.Base64; | ||
| import org.apache.hadoop.io.Writable; | ||
| import org.apache.hadoop.mapreduce.InputFormat; | ||
| import org.apache.hadoop.mapreduce.Job; | ||
|
|
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| /** | ||
| * A {@link Configuration} that could be used in {@link HadoopFormatIO} for reading HBase snapshot | ||
| * hosted in Google Cloud Storage(GCS) bucket via GCS connector. It uses {@link | ||
| * TableSnapshotInputFormat} for reading HBase snapshots. | ||
| */ | ||
| class HBaseSnapshotInputConfiguration { | ||
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| private static final Log LOG = LogFactory.getLog(HBaseSnapshotInputConfiguration.class); | ||
| private static final int BATCH_SIZE = 1000; | ||
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| private final Configuration hbaseConf; | ||
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| /** | ||
| * Constructs a new top level source. | ||
| * | ||
| * @param snapshotDir The path or pattern of the file(s) to read. | ||
| */ | ||
| HBaseSnapshotInputConfiguration( | ||
| ValueProvider<String> gcsProjectId, | ||
| ValueProvider<String> snapshotDir, | ||
| ValueProvider<String> snapshotName, | ||
| ValueProvider<String> restoreDir) { | ||
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| Preconditions.checkArgument( | ||
| snapshotDir.toString().startsWith("gs://"), | ||
| "snapshot folder must be hosted in a GCS bucket "); | ||
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| Configuration conf = HBaseConfiguration.create(); | ||
| try { | ||
| conf.set("hbase.rootdir", snapshotDir.toString()); | ||
| conf.set("fs.AbstractFileSystem.gs.impl", "com.google.cloud.hadoop.fs.gcs.GoogleHadoopFS"); | ||
| conf.set("fs.gs.project.id", gcsProjectId.toString()); | ||
| conf.set("fs.defaultFS", snapshotDir.toString()); | ||
| conf.set("google.cloud.auth.service.account.enable", "true"); | ||
| conf.setClass( | ||
| "mapreduce.job.inputformat.class", TableSnapshotInputFormat.class, InputFormat.class); | ||
| conf.setClass("key.class", ImmutableBytesWritable.class, Writable.class); | ||
| conf.setClass("value.class", Result.class, Object.class); | ||
| ClientProtos.Scan proto = ProtobufUtil.toScan(new Scan().setBatch(BATCH_SIZE)); | ||
| conf.set(TableInputFormat.SCAN, Base64.encodeBytes(proto.toByteArray())); | ||
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| this.LOG.debug(conf); | ||
| Job job = Job.getInstance(conf); // creates internal clone of hbaseConf | ||
| TableSnapshotInputFormat.setInput( | ||
| job, snapshotName.toString(), new Path(restoreDir.toString())); | ||
| conf = job.getConfiguration(); // extract the modified clone | ||
| } catch (Exception e) { | ||
| this.LOG.fatal(e); | ||
| } | ||
| this.hbaseConf = new SerializableConfiguration(conf).get(); | ||
| } | ||
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| public Configuration getHbaseConf() { | ||
| return hbaseConf; | ||
| } | ||
| } |
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