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backups-get.js
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backups-get.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 getBackups(instanceId, databaseId, backupId, projectId) {
// [START spanner_list_backups]
// Imports the Google Cloud client library
const {Spanner} = 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();
try {
// Get the parent(instance) of the database
const parent = databaseAdminClient.instancePath(projectId, instanceId);
// List all backups
const [allBackups] = await databaseAdminClient.listBackups({
parent: parent,
});
console.log('All backups:');
allBackups.forEach(backups => {
if (backups.name) {
const backup = backups.name;
const delimiter =
'projects/' + projectId + '/instances/' + instanceId + '/backups/';
const result = backup.substring(delimiter.length);
console.log(result);
}
});
// List backups filtered by backup name
const [backupsByName] = await databaseAdminClient.listBackups({
parent: parent,
filter: `Name:${backupId}`,
});
console.log('Backups matching backup name:');
backupsByName.forEach(backup => {
if (backup.name) {
const backupName = backup.name;
const delimiter =
'projects/' + projectId + '/instances/' + instanceId + '/backups/';
const result = backupName.substring(delimiter.length);
console.log(result);
}
});
// List backups expiring within 30 days
const expireTime = new Date();
expireTime.setDate(expireTime.getDate() + 30);
const [backupsByExpiry] = await databaseAdminClient.listBackups({
parent: parent,
filter: `expire_time < "${expireTime.toISOString()}"`,
});
console.log('Backups expiring within 30 days:');
backupsByExpiry.forEach(backup => {
if (backup.name) {
const backupName = backup.name;
const delimiter =
'projects/' + projectId + '/instances/' + instanceId + '/backups/';
const result = backupName.substring(delimiter.length);
console.log(result);
}
});
// List backups filtered by database name
const [backupsByDbName] = await databaseAdminClient.listBackups({
parent: parent,
filter: `Database:${databaseId}`,
});
console.log('Backups matching database name:');
backupsByDbName.forEach(backup => {
if (backup.name) {
const backupName = backup.name;
const delimiter =
'projects/' + projectId + '/instances/' + instanceId + '/backups/';
const result = backupName.substring(delimiter.length);
console.log(result);
}
});
// List backups filtered by backup size
const [backupsBySize] = await databaseAdminClient.listBackups({
parent: parent,
filter: 'size_bytes > 100',
});
console.log('Backups filtered by size:');
backupsBySize.forEach(backup => {
if (backup.name) {
const backupName = backup.name;
const delimiter =
'projects/' + projectId + '/instances/' + instanceId + '/backups/';
const result = backupName.substring(delimiter.length);
console.log(result);
}
});
// List backups that are ready that were created after a certain time
const createTime = new Date();
createTime.setDate(createTime.getDate() - 1);
const [backupsByCreateTime] = await databaseAdminClient.listBackups({
parent: parent,
filter: `(state:READY) AND (create_time >= "${createTime.toISOString()}")`,
});
console.log('Ready backups filtered by create time:');
backupsByCreateTime.forEach(backup => {
if (backup.name) {
const backupName = backup.name;
const delimiter =
'projects/' + projectId + '/instances/' + instanceId + '/backups/';
const result = backupName.substring(delimiter.length);
console.log(result);
}
});
// List backups using pagination
console.log('Get backups paginated:');
const [backups] = await databaseAdminClient.listBackups({
parent: parent,
pageSize: 3,
});
backups.forEach(backup => {
if (backup.name) {
const backupName = backup.name;
const delimiter =
'projects/' + projectId + '/instances/' + instanceId + '/backups/';
const result = backupName.substring(delimiter.length);
console.log(result);
}
});
} catch (err) {
console.error('ERROR:', err);
}
// [END spanner_list_backups]
}
module.exports.getBackups = getBackups;