java-spanner/samples/snippets/src/main/java/com/example/spanner/RestoreBackupWithEncryptionKey.java at main · googleapis/java-spanner · GitHub

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/*
 * Copyright 2021 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.
 */

packagecom.example.spanner;

// [START spanner_restore_backup_with_encryption_key]

importstaticcom.google.spanner.admin.database.v1.RestoreDatabaseEncryptionConfig.EncryptionType.CUSTOMER_MANAGED_ENCRYPTION;

importcom.google.cloud.spanner.Spanner;
importcom.google.cloud.spanner.SpannerExceptionFactory;
importcom.google.cloud.spanner.SpannerOptions;
importcom.google.cloud.spanner.admin.database.v1.DatabaseAdminClient;
importcom.google.spanner.admin.database.v1.BackupName;
importcom.google.spanner.admin.database.v1.Database;
importcom.google.spanner.admin.database.v1.InstanceName;
importcom.google.spanner.admin.database.v1.RestoreDatabaseEncryptionConfig;
importcom.google.spanner.admin.database.v1.RestoreDatabaseRequest;
importjava.util.concurrent.ExecutionException;

publicclassRestoreBackupWithEncryptionKey {

staticvoidrestoreBackupWithEncryptionKey() {
// TODO(developer): Replace these variables before running the sample.
StringprojectId = "my-project";
StringinstanceId = "my-instance";
StringdatabaseId = "my-database";
StringbackupId = "my-backup";
StringkmsKeyName =
"projects/" + projectId + "/locations/<location>/keyRings/<keyRing>/cryptoKeys/<keyId>";

try (Spannerspanner =
SpannerOptions.newBuilder().setProjectId(projectId).build().getService();
DatabaseAdminClientadminClient = spanner.createDatabaseAdminClient()) {
restoreBackupWithEncryptionKey(
adminClient,
projectId,
instanceId,
backupId,
databaseId,
kmsKeyName);
 }
 }

staticVoidrestoreBackupWithEncryptionKey(DatabaseAdminClientadminClient,
StringprojectId, StringinstanceId, StringbackupId, StringrestoreId, StringkmsKeyName) {
RestoreDatabaseRequestrequest =
RestoreDatabaseRequest.newBuilder()
 .setParent(InstanceName.of(projectId, instanceId).toString())
 .setDatabaseId(restoreId)
 .setBackup(BackupName.of(projectId, instanceId, backupId).toString())
 .setEncryptionConfig(RestoreDatabaseEncryptionConfig.newBuilder()
 .setEncryptionType(CUSTOMER_MANAGED_ENCRYPTION).setKmsKeyName(kmsKeyName)).build();
Databasedatabase;
try {
System.out.println("Waiting for operation to complete...");
database = adminClient.restoreDatabaseAsync(request).get();
 ;
 } catch (ExecutionExceptione) {
// If the operation failed during execution, expose the cause.
throwSpannerExceptionFactory.asSpannerException(e.getCause());
 } catch (InterruptedExceptione) {
// Throw when a thread is waiting, sleeping, or otherwise occupied,
// and the thread is interrupted, either before or during the activity.
throwSpannerExceptionFactory.propagateInterrupt(e);
 }

System.out.printf(
"Database %s restored to %s from backup %s using encryption key %s%n",
database.getRestoreInfo().getBackupInfo().getSourceDatabase(),
database.getName(),
database.getRestoreInfo().getBackupInfo().getBackup(),
database.getEncryptionConfig().getKmsKeyName()
 );
returnnull;
 }
}
// [END spanner_restore_backup_with_encryption_key]