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Made repos path config configurable from pylons app configs. update Readme
Made repos path config configurable from pylons app configs. update Readme

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r241:48727add default
r241:48727add default
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backup_manager.py
88 lines | 3.0 KiB | text/x-python | PythonLexer
'''BACKUP MANAGER'''
import logging
from mercurial import config
import tarfile
import os
import datetime
import sys
import subprocess
logging.basicConfig(level=logging.DEBUG,
format="%(asctime)s %(levelname)-5.5s %(message)s")
class BackupManager(object):
def __init__(self, id_rsa_path, repo_conf):
self.repos_path = None
self.backup_file_name = None
self.id_rsa_path = id_rsa_path
self.check_id_rsa()
cur_dir = os.path.realpath(__file__)
dn = os.path.dirname
self.backup_file_path = os.path.join(dn(dn(dn(cur_dir))), 'data')
cfg = config.config()
try:
cfg.read(os.path.join(dn(dn(dn(cur_dir))), repo_conf))
except IOError:
logging.error('Could not read %s', repo_conf)
sys.exit()
self.set_repos_path(cfg.items('paths'))
logging.info('starting backup for %s', self.repos_path)
logging.info('backup target %s', self.backup_file_path)
if not os.path.isdir(self.repos_path):
raise Exception('Not a valid directory in %s' % self.repos_path)
def check_id_rsa(self):
if not os.path.isfile(self.id_rsa_path):
logging.error('Could not load id_rsa key file in %s',
self.id_rsa_path)
sys.exit()
def set_repos_path(self, paths):
repos_path = paths[0][1].split('/')
if repos_path[-1] in ['*', '**']:
repos_path = repos_path[:-1]
if repos_path[0] != '/':
repos_path[0] = '/'
self.repos_path = os.path.join(*repos_path)
def backup_repos(self):
today = datetime.datetime.now().weekday() + 1
self.backup_file_name = "mercurial_repos.%s.tar.gz" % today
bckp_file = os.path.join(self.backup_file_path, self.backup_file_name)
tar = tarfile.open(bckp_file, "w:gz")
for dir_name in os.listdir(self.repos_path):
logging.info('backing up %s', dir_name)
tar.add(os.path.join(self.repos_path, dir_name), dir_name)
tar.close()
logging.info('finished backup of mercurial repositories')
def transfer_files(self):
params = {
'id_rsa_key': self.id_rsa_path,
'backup_file_path':self.backup_file_path,
'backup_file_name':self.backup_file_name,
}
cmd = ['scp', '-l', '40000', '-i', '%(id_rsa_key)s' % params,
'%(backup_file_path)s/%(backup_file_name)s' % params,
'root@192.168.2.102:/backups/mercurial' % params]
subprocess.call(cmd)
logging.info('Transfered file %s to %s', self.backup_file_name, cmd[4])
def rm_file(self):
logging.info('Removing file %s', self.backup_file_name)
os.remove(os.path.join(self.backup_file_path, self.backup_file_name))
if __name__ == "__main__":
B_MANAGER = BackupManager('/home/pylons/id_rsa', 'repositories.config')
B_MANAGER.backup_repos()
B_MANAGER.transfer_files()
B_MANAGER.rm_file()