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backups-cancel.js
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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.
*/
'use strict';
async function cancelBackup(instanceId, databaseId, backupId, projectId) {
// [START spanner_cancel_backup_create]
// Imports the Google Cloud client library and precise date library
const {Spanner, protos} = require('@google-cloud/spanner');
/**
* TODO(developer): Uncomment the following lines before running the sample.
*/
// const projectId = 'my-project-id';
// const instanceId = 'my-instance';
// const databaseId = 'my-database';
// const backupId = 'my-backup';
// Creates a client
const spanner = new Spanner({
projectId: projectId,
});
// Gets a reference to a Cloud Spanner Database Admin Client object
const databaseAdminClient = spanner.getDatabaseAdminClient();
// Creates a new backup of the database
try {
console.log(
`Creating backup of database ${databaseAdminClient.databasePath(
projectId,
instanceId,
databaseId
)}.`
);
// Expire backup one day in the future
const expireTime = Date.now() + 1000 * 60 * 60 * 24;
const [operation] = await databaseAdminClient.createBackup({
parent: databaseAdminClient.instancePath(projectId, instanceId),
backupId: backupId,
backup: (protos.google.spanner.admin.database.v1.Backup = {
database: databaseAdminClient.databasePath(
projectId,
instanceId,
databaseId
),
expireTime: Spanner.timestamp(expireTime).toStruct(),
name: databaseAdminClient.backupPath(projectId, instanceId, backupId),
}),
});
// Cancel the backup
await operation.cancel();
console.log('Backup cancelled.');
} catch (err) {
console.error('ERROR:', err);
} finally {
// Delete backup in case it got created before the cancel operation
await databaseAdminClient.deleteBackup({
name: databaseAdminClient.backupPath(projectId, instanceId, backupId),
});
// Close the spanner client when finished.
// The databaseAdminClient does not require explicit closure. The closure of the Spanner client will automatically close the databaseAdminClient.
spanner.close();
}
// [END spanner_cancel_backup_create]
}
module.exports.cancelBackup = cancelBackup;