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#!/usr/bin/env python
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# encoding: utf-8
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# mercurial repository backup manager
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# Copyright (C) 2009-2010 Marcin Kuzminski <marcin@python-works.com>
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License
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# as published by the Free Software Foundation; version 2
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# of the License or (at your opinion) any later version of the license.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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# MA 02110-1301, USA.
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"""
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Created on Feb 28, 2010
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Mercurial repositories backup manager
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@author: marcink
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"""
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import logging
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import tarfile
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import os
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import datetime
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import sys
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import subprocess
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logging.basicConfig(level=logging.DEBUG,
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format="%(asctime)s %(levelname)-5.5s %(message)s")
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class BackupManager(object):
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def __init__(self, repos_location, rsa_key, backup_server):
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today = datetime.datetime.now().weekday() + 1
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self.backup_file_name = "mercurial_repos.%s.tar.gz" % today
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self.id_rsa_path = self.get_id_rsa(rsa_key)
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self.repos_path = self.get_repos_path(repos_location)
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self.backup_server = backup_server
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self.backup_file_path = '/tmp'
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logging.info('starting backup for %s', self.repos_path)
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logging.info('backup target %s', self.backup_file_path)
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def get_id_rsa(self, rsa_key):
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if not os.path.isfile(rsa_key):
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logging.error('Could not load id_rsa key file in %s', rsa_key)
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sys.exit()
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return rsa_key
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def get_repos_path(self, path):
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if not os.path.isdir(path):
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logging.error('Wrong location for repositories in %s', path)
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sys.exit()
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return path
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def backup_repos(self):
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bckp_file = os.path.join(self.backup_file_path, self.backup_file_name)
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tar = tarfile.open(bckp_file, "w:gz")
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for dir_name in os.listdir(self.repos_path):
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logging.info('backing up %s', dir_name)
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tar.add(os.path.join(self.repos_path, dir_name), dir_name)
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tar.close()
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logging.info('finished backup of mercurial repositories')
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def transfer_files(self):
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params = {
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'id_rsa_key': self.id_rsa_path,
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'backup_file':os.path.join(self.backup_file_path,
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self.backup_file_name),
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'backup_server':self.backup_server
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}
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cmd = ['scp', '-l', '40000', '-i', '%(id_rsa_key)s' % params,
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'%(backup_file)s' % params,
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'%(backup_server)s' % params]
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subprocess.call(cmd)
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logging.info('Transfered file %s to %s', self.backup_file_name, cmd[4])
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def rm_file(self):
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logging.info('Removing file %s', self.backup_file_name)
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os.remove(os.path.join(self.backup_file_path, self.backup_file_name))
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if __name__ == "__main__":
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repo_location = '/home/repo_path'
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backup_server = 'root@192.168.1.100:/backups/mercurial'
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rsa_key = '/home/id_rsa'
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B_MANAGER = BackupManager(repo_location, rsa_key, backup_server)
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B_MANAGER.backup_repos()
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B_MANAGER.transfer_files()
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B_MANAGER.rm_file()
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