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docs(samples): add update credentials (#425)
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Praful Makani committed Oct 13, 2020
1 parent 1807342 commit 16022eaa8f93b497fb569fe5be5ed996993adf02
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/*
* 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.bigquerydatatransfer;

// [START bigquerydatatransfer_update_credentials]
import com.google.api.gax.rpc.ApiException;
import com.google.cloud.bigquery.datatransfer.v1.DataTransferServiceClient;
import com.google.cloud.bigquery.datatransfer.v1.TransferConfig;
import com.google.cloud.bigquery.datatransfer.v1.UpdateTransferConfigRequest;
import com.google.protobuf.FieldMask;
import com.google.protobuf.util.FieldMaskUtil;
import java.io.IOException;

// Sample to update credentials in transfer config.
public class UpdateCredentials {

public static void main(String[] args) throws IOException {
// TODO(developer): Replace these variables before running the sample.
String configId = "MY_CONFIG_ID";
String serviceAccount = "MY_SERVICE_ACCOUNT";
TransferConfig transferConfig = TransferConfig.newBuilder().setName(configId).build();
FieldMask updateMask = FieldMaskUtil.fromString("service_account_name");
updateCredentials(transferConfig, serviceAccount, updateMask);
}

public static void updateCredentials(
TransferConfig transferConfig, String serviceAccount, FieldMask updateMask)
throws IOException {
try (DataTransferServiceClient dataTransferServiceClient = DataTransferServiceClient.create()) {
UpdateTransferConfigRequest request =
UpdateTransferConfigRequest.newBuilder()
.setTransferConfig(transferConfig)
.setUpdateMask(updateMask)
.setServiceAccountName(serviceAccount)
.build();
dataTransferServiceClient.updateTransferConfig(request);
System.out.println("Credentials updated successfully");
} catch (ApiException ex) {
System.out.print("Credentials was not updated." + ex.toString());
}
}
}
// [END bigquerydatatransfer_update_credentials]
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/*
* 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.bigquerydatatransfer;

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

import com.google.cloud.bigquery.datatransfer.v1.TransferConfig;
import com.google.protobuf.FieldMask;
import com.google.protobuf.util.FieldMaskUtil;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.PrintStream;
import java.util.logging.Level;
import java.util.logging.Logger;
import org.junit.After;
import org.junit.Before;
import org.junit.BeforeClass;
import org.junit.Test;

public class UpdateCredentialsIT {

private static final Logger LOG = Logger.getLogger(UpdateCredentialsIT.class.getName());
private ByteArrayOutputStream bout;
private PrintStream out;
private PrintStream originalPrintStream;

private static final String CONFIG_NAME = requireEnvVar("DTS_TRANSFER_CONFIG_NAME");
private static final String SERVICE_ACCOUNT = requireEnvVar("DTS_UPDATED_SERVICE_ACCOUNT");

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("DTS_TRANSFER_CONFIG_NAME");
requireEnvVar("DTS_UPDATED_SERVICE_ACCOUNT");
}

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

@After
public void tearDown() {
// restores print statements in the original method
System.out.flush();
System.setOut(originalPrintStream);
LOG.log(Level.INFO, bout.toString());
}

@Test
public void testUpdateCredentials() throws IOException {
TransferConfig transferConfig = TransferConfig.newBuilder().setName(CONFIG_NAME).build();
FieldMask updateMask = FieldMaskUtil.fromString("service_account_name");
UpdateCredentials.updateCredentials(transferConfig, SERVICE_ACCOUNT, updateMask);
assertThat(bout.toString()).contains("Credentials updated successfully");
}
}

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