Skip to content
Permalink
Browse files
docs(samples): add copy cmek table (#513)
  • Loading branch information
Praful Makani committed Jul 7, 2020
1 parent d6ab2d4 commit f356c715bd1783df389b0fb66a7bb8747375765c
@@ -0,0 +1,86 @@
/*
* Copyright 2020 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.example.bigquery;

// [START bigquery_copy_table_cmek]
import com.google.cloud.bigquery.BigQuery;
import com.google.cloud.bigquery.BigQueryException;
import com.google.cloud.bigquery.BigQueryOptions;
import com.google.cloud.bigquery.CopyJobConfiguration;
import com.google.cloud.bigquery.EncryptionConfiguration;
import com.google.cloud.bigquery.Job;
import com.google.cloud.bigquery.JobInfo;
import com.google.cloud.bigquery.TableId;

// Sample to copy a cmek table
public class CopyTableCMEK {

public static void runCopyTableCMEK() {
// TODO(developer): Replace these variables before running the sample.
String destinationDatasetName = "MY_DESTINATION_DATASET_NAME";
String destinationTableId = "MY_DESTINATION_TABLE_NAME";
String sourceDatasetName = "MY_SOURCE_DATASET_NAME";
String sourceTableId = "MY_SOURCE_TABLE_NAME";
String kmsKeyName = "MY_KMS_KEY_NAME";
EncryptionConfiguration encryption =
EncryptionConfiguration.newBuilder().setKmsKeyName(kmsKeyName).build();
copyTableCMEK(
sourceDatasetName, sourceTableId, destinationDatasetName, destinationTableId, encryption);
}

public static void copyTableCMEK(
String sourceDatasetName,
String sourceTableId,
String destinationDatasetName,
String destinationTableId,
EncryptionConfiguration encryption) {
try {
// Initialize client that will be used to send requests. This client only needs to be created
// once, and can be reused for multiple requests.
BigQuery bigquery = BigQueryOptions.getDefaultInstance().getService();

TableId sourceTable = TableId.of(sourceDatasetName, sourceTableId);
TableId destinationTable = TableId.of(destinationDatasetName, destinationTableId);

// For more information on CopyJobConfiguration see:
// https://googleapis.dev/java/google-cloud-clients/latest/com/google/cloud/bigquery/JobConfiguration.html
CopyJobConfiguration configuration =
CopyJobConfiguration.newBuilder(destinationTable, sourceTable)
.setDestinationEncryptionConfiguration(encryption)
.build();

// For more information on Job see:
// https://googleapis.dev/java/google-cloud-clients/latest/index.html?com/google/cloud/bigquery/package-summary.html
Job job = bigquery.create(JobInfo.of(configuration));

// Blocks until this job completes its execution, either failing or succeeding.
Job completedJob = job.waitFor();
if (completedJob == null) {
System.out.println("Job not executed since it no longer exists.");
return;
} else if (completedJob.getStatus().getError() != null) {
System.out.println(
"BigQuery was unable to copy table due to an error: \n" + job.getStatus().getError());
return;
}
System.out.println("Table cmek copied successfully.");
} catch (BigQueryException | InterruptedException e) {
System.out.println("Table cmek copying job was interrupted. \n" + e.toString());
}
}
}
// [END bigquery_copy_table_cmek]
@@ -0,0 +1,100 @@
/*
* Copyright 2020 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.example.bigquery;

import static com.google.common.truth.Truth.assertThat;
import static junit.framework.TestCase.assertNotNull;

import com.google.cloud.bigquery.EncryptionConfiguration;
import com.google.cloud.bigquery.Field;
import com.google.cloud.bigquery.Schema;
import com.google.cloud.bigquery.StandardSQLTypeName;
import java.io.ByteArrayOutputStream;
import java.io.PrintStream;
import java.util.UUID;
import org.junit.After;
import org.junit.Before;
import org.junit.BeforeClass;
import org.junit.Test;

public class CopyTableCMEKIT {

private String sourceTableName;
private String destinationTableName;
private ByteArrayOutputStream bout;
private PrintStream out;

private static final String BIGQUERY_DATASET_NAME = requireEnvVar("BIGQUERY_DATASET_NAME");
private static final String BIGQUERY_KMS_KEY_NAME = requireEnvVar("BIGQUERY_KMS_KEY_NAME");

private static String requireEnvVar(String varName) {
String value = System.getenv(varName);
assertNotNull(
"Environment variable " + varName + " is required to perform these tests.",
System.getenv(varName));
return value;
}

@BeforeClass
public static void checkRequirements() {
requireEnvVar("BIGQUERY_DATASET_NAME");
requireEnvVar("BIGQUERY_KMS_KEY_NAME");
}

@Before
public void setUp() {
bout = new ByteArrayOutputStream();
out = new PrintStream(bout);
System.setOut(out);

sourceTableName = "MY_SOURCE_TABLE_CMEK_TEST" + UUID.randomUUID().toString().substring(0, 8);
destinationTableName =
"MY_DESTINATION_TABLE_CMEK_TEST" + UUID.randomUUID().toString().substring(0, 8);
Schema schema =
Schema.of(
Field.of("stringField", StandardSQLTypeName.STRING),
Field.of("booleanField", StandardSQLTypeName.BOOL));
EncryptionConfiguration configuration =
EncryptionConfiguration.newBuilder().setKmsKeyName(BIGQUERY_KMS_KEY_NAME).build();
CreateTableCMEK.createTableCMEK(BIGQUERY_DATASET_NAME, sourceTableName, schema, configuration);

bout = new ByteArrayOutputStream();
out = new PrintStream(bout);
System.setOut(out);
}

@After
public void tearDown() {
// Clean up
DeleteTable.deleteTable(BIGQUERY_DATASET_NAME, sourceTableName);
DeleteTable.deleteTable(BIGQUERY_DATASET_NAME, destinationTableName);
System.setOut(null);
}

@Test
public void testCopyTableCMEK() {
EncryptionConfiguration configuration =
EncryptionConfiguration.newBuilder().setKmsKeyName(BIGQUERY_KMS_KEY_NAME).build();
CopyTableCMEK.copyTableCMEK(
BIGQUERY_DATASET_NAME,
sourceTableName,
BIGQUERY_DATASET_NAME,
destinationTableName,
configuration);
assertThat(bout.toString()).contains("Table cmek copied successfully.");
}
}

0 comments on commit f356c71

Please sign in to comment.