Skip to content
Permalink
Browse files
docs(samples): add load json table with encryption key from gcs (#575)
  • Loading branch information
Praful Makani committed Jul 21, 2020
1 parent 263d3b2 commit 2ac556e2707b3088446353ca03d9a8d08b6d66e2
@@ -0,0 +1,77 @@
/*
* 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_load_table_gcs_json_cmek]
import com.google.cloud.bigquery.BigQuery;
import com.google.cloud.bigquery.BigQueryException;
import com.google.cloud.bigquery.BigQueryOptions;
import com.google.cloud.bigquery.EncryptionConfiguration;
import com.google.cloud.bigquery.FormatOptions;
import com.google.cloud.bigquery.Job;
import com.google.cloud.bigquery.JobInfo;
import com.google.cloud.bigquery.LoadJobConfiguration;
import com.google.cloud.bigquery.TableId;

// Sample to load JSON data with configuration key from Cloud Storage into a new BigQuery table
public class LoadJsonFromGCSCMEK {

public static void runLoadJsonFromGCSCMEK() {
// TODO(developer): Replace these variables before running the sample.
String datasetName = "MY_DATASET_NAME";
String tableName = "MY_TABLE_NAME";
String kmsKeyName = "MY_KMS_KEY_NAME";
String sourceUri = "gs://cloud-samples-data/bigquery/us-states/us-states.json";
// i.e. projects/{project}/locations/{location}/keyRings/{key_ring}/cryptoKeys/{cryptoKey}
EncryptionConfiguration encryption =
EncryptionConfiguration.newBuilder().setKmsKeyName(kmsKeyName).build();
loadJsonFromGCSCMEK(datasetName, tableName, sourceUri, encryption);
}

public static void loadJsonFromGCSCMEK(
String datasetName, String tableName, String sourceUri, 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 tableId = TableId.of(datasetName, tableName);
LoadJobConfiguration loadConfig =
LoadJobConfiguration.newBuilder(tableId, sourceUri)
// Set the encryption key to use for the destination.
.setDestinationEncryptionConfiguration(encryption)
.setFormatOptions(FormatOptions.json())
.setAutodetect(true)
.build();

// Load data from a GCS JSON file into the table
Job job = bigquery.create(JobInfo.of(loadConfig));
// Blocks until this load table job completes its execution, either failing or succeeding.
job = job.waitFor();
if (job.isDone()) {
System.out.println("Table loaded succesfully from GCS with configuration key");
} else {
System.out.println(
"BigQuery was unable to load into the table due to an error:"
+ job.getStatus().getError());
}
} catch (BigQueryException | InterruptedException e) {
System.out.println("Column not added during load append \n" + e.toString());
}
}
}
// [END bigquery_load_table_gcs_json_cmek]
@@ -0,0 +1,80 @@
/*
* 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 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 LoadJsonFromGCSCMEKIT {

private String tableName;
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() {
tableName =
"MY_LOAD_JSON_TABLE_CMEK_FROM_GCS_TEST_" + UUID.randomUUID().toString().substring(0, 8);
bout = new ByteArrayOutputStream();
out = new PrintStream(bout);
System.setOut(out);
}

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

@Test
public void testLoadJsonFromGCSCMEK() {
String sourceUri = "gs://cloud-samples-data/bigquery/us-states/us-states.json";
EncryptionConfiguration configuration =
EncryptionConfiguration.newBuilder().setKmsKeyName(BIGQUERY_KMS_KEY_NAME).build();
LoadJsonFromGCSCMEK.loadJsonFromGCSCMEK(
BIGQUERY_DATASET_NAME, tableName, sourceUri, configuration);
assertThat(bout.toString())
.contains("Table loaded succesfully from GCS with configuration key");
}
}

0 comments on commit 2ac556e

Please sign in to comment.