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docs(samples): add create and delete connection (#151)
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Praful Makani
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samples/snippets/src/main/java/com/example/bigqueryconnection/CreateConnection.java
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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. | ||
*/ | ||
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package com.example.bigqueryconnection; | ||
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// [START bigqueryconnection_create_connection] | ||
import com.google.cloud.bigquery.connection.v1.CloudSqlCredential; | ||
import com.google.cloud.bigquery.connection.v1.CloudSqlProperties; | ||
import com.google.cloud.bigquery.connection.v1.Connection; | ||
import com.google.cloud.bigquery.connection.v1.CreateConnectionRequest; | ||
import com.google.cloud.bigquery.connection.v1.LocationName; | ||
import com.google.cloud.bigqueryconnection.v1.ConnectionServiceClient; | ||
import java.io.IOException; | ||
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// Sample to create a connection with cloud MySql database | ||
public class CreateConnection { | ||
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public static void main(String[] args) throws IOException { | ||
// TODO(developer): Replace these variables before running the sample. | ||
String projectId = "MY_PROJECT_ID"; | ||
String location = "MY_LOCATION"; | ||
String connectionId = "MY_CONNECTION_ID"; | ||
String database = "MY_DATABASE"; | ||
String instance = "MY_INSTANCE"; | ||
String instanceLocation = "MY_INSTANCE_LOCATION"; | ||
String username = "MY_USERNAME"; | ||
String password = "MY_PASSWORD"; | ||
String instanceId = String.format("%s:%s:%s", projectId, instanceLocation, instance); | ||
CloudSqlCredential cloudSqlCredential = | ||
CloudSqlCredential.newBuilder().setUsername(username).setPassword(password).build(); | ||
CloudSqlProperties cloudSqlProperties = | ||
CloudSqlProperties.newBuilder() | ||
.setType(CloudSqlProperties.DatabaseType.MYSQL) | ||
.setDatabase(database) | ||
.setInstanceId(instanceId) | ||
.setCredential(cloudSqlCredential) | ||
.build(); | ||
Connection connection = Connection.newBuilder().setCloudSql(cloudSqlProperties).build(); | ||
createConnection(projectId, location, connectionId, connection); | ||
} | ||
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public static void createConnection( | ||
String projectId, String location, String connectionId, Connection connection) | ||
throws IOException { | ||
try (ConnectionServiceClient client = ConnectionServiceClient.create()) { | ||
LocationName parent = LocationName.of(projectId, location); | ||
CreateConnectionRequest request = | ||
CreateConnectionRequest.newBuilder() | ||
.setParent(parent.toString()) | ||
.setConnection(connection) | ||
.setConnectionId(connectionId) | ||
.build(); | ||
Connection response = client.createConnection(request); | ||
System.out.println("Connection created successfully :" + response.getName()); | ||
} | ||
} | ||
} | ||
// [END bigqueryconnection_create_connection] |
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samples/snippets/src/main/java/com/example/bigqueryconnection/DeleteConnection.java
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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. | ||
*/ | ||
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package com.example.bigqueryconnection; | ||
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// [START bigqueryconnection_delete_connection] | ||
import com.google.cloud.bigquery.connection.v1.ConnectionName; | ||
import com.google.cloud.bigquery.connection.v1.DeleteConnectionRequest; | ||
import com.google.cloud.bigqueryconnection.v1.ConnectionServiceClient; | ||
import java.io.IOException; | ||
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// Sample to delete a connection | ||
public class DeleteConnection { | ||
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public static void main(String[] args) throws IOException { | ||
// TODO(developer): Replace these variables before running the sample. | ||
String projectId = "MY_PROJECT_ID"; | ||
String location = "MY_LOCATION"; | ||
String connectionName = "MY_CONNECTION_NAME"; | ||
deleteConnection(projectId, location, connectionName); | ||
} | ||
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public static void deleteConnection(String projectId, String location, String connectionName) | ||
throws IOException { | ||
try (ConnectionServiceClient client = ConnectionServiceClient.create()) { | ||
ConnectionName name = ConnectionName.of(projectId, location, connectionName); | ||
DeleteConnectionRequest request = | ||
DeleteConnectionRequest.newBuilder().setName(name.toString()).build(); | ||
client.deleteConnection(request); | ||
System.out.println("Connection deleted successfully"); | ||
} | ||
} | ||
} | ||
// [END bigqueryconnection_delete_connection] |
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samples/snippets/src/test/java/com/example/bigqueryconnection/CreateConnectionIT.java
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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. | ||
*/ | ||
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package com.example.bigqueryconnection; | ||
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import static com.google.common.truth.Truth.assertThat; | ||
import static junit.framework.TestCase.assertNotNull; | ||
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import com.google.cloud.bigquery.connection.v1.CloudSqlCredential; | ||
import com.google.cloud.bigquery.connection.v1.CloudSqlProperties; | ||
import com.google.cloud.bigquery.connection.v1.Connection; | ||
import java.io.ByteArrayOutputStream; | ||
import java.io.IOException; | ||
import java.io.PrintStream; | ||
import java.util.UUID; | ||
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; | ||
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public class CreateConnectionIT { | ||
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private static final Logger LOG = Logger.getLogger(CreateConnectionIT.class.getName()); | ||
private static final String LOCATION = "US"; | ||
private static final String REGION = "us-central1"; | ||
private static final String PROJECT_ID = requireEnvVar("GOOGLE_CLOUD_PROJECT"); | ||
private static final String MY_SQL_DATABASE = requireEnvVar("MY_SQL_DATABASE"); | ||
private static final String MY_SQL_INSTANCE = requireEnvVar("MY_SQL_INSTANCE"); | ||
private static final String DB_USER = requireEnvVar("DB_USER"); | ||
private static final String DB_PWD = requireEnvVar("DB_PWD"); | ||
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private String connectionId; | ||
private ByteArrayOutputStream bout; | ||
private PrintStream out; | ||
private PrintStream originalPrintStream; | ||
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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; | ||
} | ||
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@BeforeClass | ||
public static void checkRequirements() { | ||
requireEnvVar("GOOGLE_CLOUD_PROJECT"); | ||
requireEnvVar("MY_SQL_DATABASE"); | ||
requireEnvVar("MY_SQL_INSTANCE"); | ||
requireEnvVar("DB_USER"); | ||
requireEnvVar("DB_PWD"); | ||
} | ||
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@Before | ||
public void setUp() { | ||
connectionId = "MY_CONNECTION_TEST_" + UUID.randomUUID().toString().substring(0, 8); | ||
bout = new ByteArrayOutputStream(); | ||
out = new PrintStream(bout); | ||
originalPrintStream = System.out; | ||
System.setOut(out); | ||
} | ||
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@After | ||
public void tearDown() throws IOException { | ||
// Clean up | ||
DeleteConnection.deleteConnection(PROJECT_ID, LOCATION, connectionId); | ||
// restores print statements in the original method | ||
System.out.flush(); | ||
System.setOut(originalPrintStream); | ||
LOG.log(Level.INFO, bout.toString()); | ||
} | ||
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@Test | ||
public void testCreateConnection() throws IOException { | ||
String instanceId = String.format("%s:%s:%s", PROJECT_ID, REGION, MY_SQL_INSTANCE); | ||
CloudSqlCredential cloudSqlCredential = | ||
CloudSqlCredential.newBuilder().setUsername(DB_USER).setPassword(DB_PWD).build(); | ||
CloudSqlProperties cloudSqlProperties = | ||
CloudSqlProperties.newBuilder() | ||
.setType(CloudSqlProperties.DatabaseType.MYSQL) | ||
.setDatabase(MY_SQL_DATABASE) | ||
.setInstanceId(instanceId) | ||
.setCredential(cloudSqlCredential) | ||
.build(); | ||
Connection connection = | ||
Connection.newBuilder() | ||
.setFriendlyName(connectionId) | ||
.setCloudSql(cloudSqlProperties) | ||
.build(); | ||
CreateConnection.createConnection(PROJECT_ID, LOCATION, connectionId, connection); | ||
assertThat(bout.toString()).contains("Connection created successfully :"); | ||
} | ||
} |
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samples/snippets/src/test/java/com/example/bigqueryconnection/DeleteConnectionIT.java
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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. | ||
*/ | ||
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package com.example.bigqueryconnection; | ||
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import static com.google.common.truth.Truth.assertThat; | ||
import static junit.framework.TestCase.assertNotNull; | ||
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import com.google.cloud.bigquery.connection.v1.CloudSqlCredential; | ||
import com.google.cloud.bigquery.connection.v1.CloudSqlProperties; | ||
import com.google.cloud.bigquery.connection.v1.Connection; | ||
import java.io.ByteArrayOutputStream; | ||
import java.io.IOException; | ||
import java.io.PrintStream; | ||
import java.util.UUID; | ||
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; | ||
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public class DeleteConnectionIT { | ||
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private static final Logger LOG = Logger.getLogger(DeleteConnectionIT.class.getName()); | ||
private static final String LOCATION = "US"; | ||
private static final String REGION = "us-central1"; | ||
private static final String PROJECT_ID = requireEnvVar("GOOGLE_CLOUD_PROJECT"); | ||
private static final String MY_SQL_DATABASE = requireEnvVar("MY_SQL_DATABASE"); | ||
private static final String MY_SQL_INSTANCE = requireEnvVar("MY_SQL_INSTANCE"); | ||
private static final String DB_USER = requireEnvVar("DB_USER"); | ||
private static final String DB_PWD = requireEnvVar("DB_PWD"); | ||
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private String connectionId; | ||
private ByteArrayOutputStream bout; | ||
private PrintStream out; | ||
private PrintStream originalPrintStream; | ||
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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; | ||
} | ||
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@BeforeClass | ||
public static void checkRequirements() { | ||
requireEnvVar("GOOGLE_CLOUD_PROJECT"); | ||
requireEnvVar("MY_SQL_DATABASE"); | ||
requireEnvVar("MY_SQL_INSTANCE"); | ||
requireEnvVar("DB_USER"); | ||
requireEnvVar("DB_PWD"); | ||
} | ||
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@Before | ||
public void setUp() throws IOException { | ||
bout = new ByteArrayOutputStream(); | ||
out = new PrintStream(bout); | ||
originalPrintStream = System.out; | ||
System.setOut(out); | ||
// create a temporary connection | ||
connectionId = "MY_CONNECTION_TEST_" + UUID.randomUUID().toString().substring(0, 8); | ||
String instanceId = String.format("%s:%s:%s", PROJECT_ID, REGION, MY_SQL_INSTANCE); | ||
CloudSqlCredential cloudSqlCredential = | ||
CloudSqlCredential.newBuilder().setUsername(DB_USER).setPassword(DB_PWD).build(); | ||
CloudSqlProperties cloudSqlProperties = | ||
CloudSqlProperties.newBuilder() | ||
.setType(CloudSqlProperties.DatabaseType.MYSQL) | ||
.setDatabase(MY_SQL_DATABASE) | ||
.setInstanceId(instanceId) | ||
.setCredential(cloudSqlCredential) | ||
.build(); | ||
Connection connection = Connection.newBuilder().setCloudSql(cloudSqlProperties).build(); | ||
CreateConnection.createConnection(PROJECT_ID, LOCATION, connectionId, connection); | ||
} | ||
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@After | ||
public void tearDown() { | ||
// restores print statements in the original method | ||
System.out.flush(); | ||
System.setOut(originalPrintStream); | ||
LOG.log(Level.INFO, bout.toString()); | ||
} | ||
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@Test | ||
public void testDeleteConnection() throws IOException { | ||
DeleteConnection.deleteConnection(PROJECT_ID, LOCATION, connectionId); | ||
assertThat(bout.toString()).contains("Connection deleted successfully"); | ||
} | ||
} |