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##############################################################################
# Copyright (c) 2016 ZTE Corporation
# feng.xiaowei@zte.com.cn
# All rights reserved. This program and the accompanying materials
# are made available under the terms of the Apache License, Version 2.0
# which accompanies this distribution, and is available at
# http://www.apache.org/licenses/LICENSE-2.0
##############################################################################
import argparse
import os
import subprocess
import urlparse
import datetime
def get_abspath(path):
assert os.path.isdir(path), 'Path %s can\'t be found.' % path
return os.path.abspath(path)
def parse_mongodb_url(url):
url = urlparse.urlparse(url)
assert url.scheme == 'mongodb', 'URL must be a MongoDB URL'
return url
def url_parse(url):
url = parse_mongodb_url(url)
return url.username, url.password, url.hostname, url.port
def execute(cmd, args):
execute_output = subprocess.check_output(cmd)
print(execute_output)
def do_backup(args):
db = args.db
out = get_abspath(args.output_dir)
now = datetime.datetime.now()
out = os.path.join(out, '%s__%s' % (db, now.strftime('%Y_%m_%d_%H%M%S')))
cmd = ['mongodump', '-o', '%s' % out]
if db:
cmd.extend(['--db', '%s' % db])
(username, password, hostname, port) = url_parse(args.url)
cmd.extend(['--host', '%s' % hostname, '--port', '%s' % port])
if username:
cmd.extend(['-u', '%s' % username])
if password:
cmd.extend(['-p', '%s' % password])
print('execute: %s' % cmd)
execute(cmd, args)
if __name__ == '__main__':
parser = argparse.ArgumentParser(description='Backup MongoDBs')
parser.add_argument('-u', '--url',
type=str,
required=False,
default='mongodb://127.0.0.1:27017/',
help='Mongo DB URL for Backups')
parser.add_argument('-o', '--output_dir',
type=str,
required=False,
default='./',
help='Output directory for the backup.')
parser.add_argument('-d', '--db',
type=str,
required=False,
default='test_results_collection',
help='database for the backup.')
args = parser.parse_args()
try:
do_backup(args)
except AssertionError as msg:
print(msg)
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