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// Copyright 2024 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.
// sample-metadata:
// title: Copies a source backup
// usage: node spannerCopyBackup <INSTANCE_ID> <COPY_BACKUP_ID> <SOURCE_BACKUP_ID> <PROJECT_ID>
'use strict';
function main(
instanceId = 'my-instance',
backupId = 'my-backup',
sourceBackupPath = 'projects/my-project-id/instances/my-source-instance/backups/my-source-backup',
projectId = 'my-project-id',
) {
// [START spanner_copy_backup]
/**
* TODO(developer): Uncomment these variables before running the sample.
*/
// const instanceId = 'my-instance';
// const backupId = 'my-backup',
// const sourceBackupPath = 'projects/my-project-id/instances/my-source-instance/backups/my-source-backup',
// const projectId = 'my-project-id';
// Imports the Google Cloud Spanner client library
const {Spanner} = require('@google-cloud/spanner');
const {PreciseDate} = require('@google-cloud/precise-date');
// Creates a client
const spanner = new Spanner({
projectId: projectId,
});
// Gets a reference to a Cloud Spanner Database Admin Client object
const databaseAdminClient = spanner.getDatabaseAdminClient();
async function spannerCopyBackup() {
// Expire copy backup 14 days in the future
const expireTime = Spanner.timestamp(
Date.now() + 1000 * 60 * 60 * 24 * 14,
).toStruct();
// Copy the source backup
try {
console.log(`Creating copy of the source backup ${sourceBackupPath}.`);
const [operation] = await databaseAdminClient.copyBackup({
parent: databaseAdminClient.instancePath(projectId, instanceId),
sourceBackup: sourceBackupPath,
backupId: backupId,
expireTime: expireTime,
});
console.log(
`Waiting for backup copy ${databaseAdminClient.backupPath(
projectId,
instanceId,
backupId,
)} to complete...`,
);
await operation.promise();
// Verify the copy backup is ready
const [copyBackup] = await databaseAdminClient.getBackup({
name: databaseAdminClient.backupPath(projectId, instanceId, backupId),
});
if (copyBackup.state === 'READY') {
console.log(
`Backup copy ${copyBackup.name} of size ` +
`${copyBackup.sizeBytes} bytes was created at ` +
`${new PreciseDate(copyBackup.createTime).toISOString()} ` +
'with version time ' +
`${new PreciseDate(copyBackup.versionTime).toISOString()}`,
);
} else {
console.error('ERROR: Copy of backup is not ready.');
}
} catch (err) {
console.error('ERROR:', err);
}
}
spannerCopyBackup();
// [END spanner_copy_backup]
}
process.on('unhandledRejection', err => {
console.error(err.message);
process.exitCode = 1;
});
main(...process.argv.slice(2));