annotate pylons_app/lib/backup_manager.py @ 36:846e2d8672c4

Added message when file removing
author Marcin Kuzminski <marcin@python-blog.com>
date Sun, 14 Mar 2010 13:38:47 +0100
parents c92f827280a3
children 7f88d7088f9c
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1 '''BACKUP MANAGER'''
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2 import logging
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3 from mercurial import config
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4 import tarfile
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5 import os
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6 import datetime
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7 import sys
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8 import subprocess
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9 logging.basicConfig(level=logging.DEBUG,
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10 format="%(asctime)s %(levelname)-5.5s %(message)s")
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12 class BackupManager(object):
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13 def __init__(self):
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14 self.repos_path = None
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15 self.backup_file_name = None
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16 self.id_rsa_path = '/home/pylons/id_rsa'
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17 self.check_id_rsa()
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18 cur_dir = os.path.realpath(__file__)
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19 dn = os.path.dirname
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20 self.backup_file_path = os.path.join(dn(dn(dn(cur_dir))), 'data')
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21 cfg = config.config()
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22 try:
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23 cfg.read(os.path.join(dn(dn(dn(cur_dir))), 'hgwebdir.config'))
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24 except IOError:
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25 logging.error('Could not read hgwebdir.config')
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26 sys.exit()
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27 self.set_repos_path(cfg.items('paths'))
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28 logging.info('starting backup for %s', self.repos_path)
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29 logging.info('backup target %s', self.backup_file_path)
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31 if not os.path.isdir(self.repos_path):
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32 raise Exception('Not a valid directory in %s' % self.repos_path)
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34 def check_id_rsa(self):
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35 if not os.path.isfile(self.id_rsa_path):
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36 logging.error('Could not load id_rsa key file in %s',
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37 self.id_rsa_path)
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38 sys.exit()
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40 def set_repos_path(self, paths):
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41 repos_path = paths[0][1].split('/')
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42 if repos_path[-1] in ['*', '**']:
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43 repos_path = repos_path[:-1]
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44 if repos_path[0] != '/':
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45 repos_path[0] = '/'
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46 self.repos_path = os.path.join(*repos_path)
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48 def backup_repos(self):
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49 today = datetime.datetime.now().weekday() + 1
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50 self.backup_file_name = "mercurial_repos.%s.tar.gz" % today
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51 bckp_file = os.path.join(self.backup_file_path, self.backup_file_name)
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52 tar = tarfile.open(bckp_file, "w:gz")
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53
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54 for dir_name in os.listdir(self.repos_path):
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55 logging.info('backing up %s', dir_name)
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56 tar.add(os.path.join(self.repos_path, dir_name), dir_name)
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57 tar.close()
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58 logging.info('finished backup of mercurial repositories')
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62 def transfer_files(self):
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63 params = {
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64 'id_rsa_key': self.id_rsa_path,
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65 'backup_file_path':self.backup_file_path,
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66 'backup_file_name':self.backup_file_name,
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67 }
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68 cmd = ['scp', '-i', '%(id_rsa_key)s' % params,
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69 '%(backup_file_path)s/%(backup_file_name)s' % params,
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70 'root@192.168.2.102:/backups/mercurial' % params]
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72 subprocess.call(cmd)
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73 logging.info('Transfered file %s to %s', self.backup_file_name, cmd[4])
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76 def rm_file(self):
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77 logging.info('Removing file %s', self.backup_file_name)
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78 os.remove(os.path.join(self.backup_file_path, self.backup_file_name))
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82 if __name__ == "__main__":
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83 B_MANAGER = BackupManager()
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84 B_MANAGER.backup_repos()
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85 B_MANAGER.transfer_files()
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86 B_MANAGER.rm_file()
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