@cloudant/couchbackup/bin/couchrestore.bin.js

CouchBackup - command-line backup utility for Cloudant/CouchDB

#!/usr/bin/env node
// Copyright © 2017, 2024 IBM Corp. All rights reserved.
//
// 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.

const error = require('../includes/error.js');
const cliutils = require('../includes/cliutils.js');
const couchbackup = require('../app.js');
const parser = require('../includes/parser.js');
const debug = require('debug');
const restoreDebug = debug('couchbackup:restore');
const restoreBatchDebug = debug('couchbackup:restore:batch');

restoreDebug.enabled = true;

try {
  const program = parser.parseRestoreArgs();
  const databaseUrl = cliutils.databaseUrl(program.url, program.db);
  const opts = {
    bufferSize: program.bufferSize,
    parallelism: program.parallelism,
    requestTimeout: program.requestTimeout,
    iamApiKey: program.iamApiKey,
    iamTokenUrl: program.iamTokenUrl,
    attachments: program.attachments
  };

  // log configuration to console
  console.error('='.repeat(80));
  console.error('Performing restore on ' + databaseUrl.replace(/\/\/.+@/g, '//****:****@') + ' using configuration:');
  console.error(JSON.stringify(opts, null, 2).replace(/"iamApiKey": "[^"]+"/, '"iamApiKey": "****"'));
  console.error('='.repeat(80));

  restoreBatchDebug.enabled = !program.quiet;

  couchbackup.restore(
    process.stdin, // restore from stdin
    databaseUrl,
    opts,
    error.terminationCallback
  ).on('restored', function(obj) {
    restoreBatchDebug('Restored batch ID:', obj.batch, 'Total document revisions restored:', obj.total, 'Time:', obj.time);
  }).on('finished', function(obj) {
    restoreDebug('finished', obj);
  });
} catch (err) {
  error.terminationCallback(err);
}