annotate pylons_app/lib/backup_manager.py @ 33:22b2234e51cd

Added removing of files from data
author Marcin Kuzminski <marcin@python-blog.com>
date Mon, 08 Mar 2010 10:25:13 +0100
parents 468e226bbaa5
children b4b25ece7797
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1 import logging
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2 from mercurial import config
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3 import tarfile
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4 import os
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5 import datetime
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6 import sys
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7 import subprocess
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8 logging.basicConfig(level=logging.DEBUG,
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9 format="%(asctime)s %(levelname)-5.5s %(message)s")
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11 class BackupManager(object):
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12 def __init__(self):
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13 self.id_rsa_path = '/home/pylons/id_rsa'
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14 self.check_id_rsa()
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15 cur_dir = os.path.realpath(__file__)
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16 dn = os.path.dirname
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17 self.backup_file_path = os.path.join(dn(dn(dn(cur_dir))), 'data')
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18 cfg = config.config()
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19 try:
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20 cfg.read(os.path.join(dn(dn(dn(cur_dir))), 'hgwebdir.config'))
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21 except IOError:
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22 logging.error('Could not read hgwebdir.config')
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23 sys.exit()
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24 self.set_repos_path(cfg.items('paths'))
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25 logging.info('starting backup for %s', self.repos_path)
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26 logging.info('backup target %s', self.backup_file_path)
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28 if not os.path.isdir(self.repos_path):
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29 raise Exception('Not a valid directory in %s' % self.repos_path)
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31 def check_id_rsa(self):
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32 if not os.path.isfile(self.id_rsa_path):
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33 logging.error('Could not load id_rsa key file in %s', self.id_rsa_path)
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34 sys.exit()
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36 def set_repos_path(self, paths):
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37 repos_path = paths[0][1].split('/')
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38 if repos_path[-1] in ['*', '**']:
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39 repos_path = repos_path[:-1]
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40 if repos_path[0] != '/':
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41 repos_path[0] = '/'
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42 self.repos_path = os.path.join(*repos_path)
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44 def backup_repos(self):
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45 today = datetime.datetime.now().weekday() + 1
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46 self.backup_file_name = "mercurial_repos.%s.tar.gz" % today
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47 bckp_file = os.path.join(self.backup_file_path, self.backup_file_name)
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48 tar = tarfile.open(bckp_file, "w:gz")
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50 for dir in os.listdir(self.repos_path):
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51 logging.info('backing up %s', dir)
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52 tar.add(os.path.join(self.repos_path, dir), dir)
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53 tar.close()
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54 logging.info('finished backup of mercurial repositories')
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58 def transfer_files(self):
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59 params = {
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60 'id_rsa_key': self.id_rsa_path,
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61 'backup_file_path':self.backup_file_path,
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62 'backup_file_name':self.backup_file_name,
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63 }
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64 cmd = ['scp', '-i', '%(id_rsa_key)s' % params,
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65 '%(backup_file_path)s/%(backup_file_name)s' % params,
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66 'root@192.168.2.102:/backups/mercurial' % params]
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68 subprocess.Popen(cmd)
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69 logging.info('Transfered file %s to %s', self.backup_file_name, cmd[4])
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72 def rm_file(self):
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73 os.remove(self.backup_file_path)
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77 if __name__ == "__main__":
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78 bm = BackupManager()
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79 bm.backup_repos()
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80 bm.transfer_files()
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81 bm.rm_file()
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