def backupDirs(self):
archive_filename = "%s.%s" % (self._conf['filename_archive'],
self._conf['suffix_tgz'])
index_filename = "%s.%s" % (self._conf['filename_archive'],
self._conf['suffix_index'])
archive_path = os.path.join(self._conf['job_path'], archive_filename)
backup_index = parse_value(self._conf.get('backup_index'), True)
index_path = os.path.join(self._conf['job_path'], index_filename)
base_dir = self._conf.get('base_dir')
path_list = [os.path.normpath(path)
for path in re.split('\s*,\s*|\s+', self._conf['path_list'])]
if self._conf.has_key('exclude_patterns'):
exclude_patterns = re.split('\s*,\s*|\s+',
self._conf['exclude_patterns'])
else:
exclude_patterns = None
exclude_patterns_file = self._conf.get('exclude_patterns_file')
logger.info("Starting backup of paths: %s", ', '.join(path_list))
args = [self._conf['cmd_tar'],]
if base_dir is not None:
if os.path.isdir(base_dir):
args.extend(['-C', base_dir])
else:
raise errors.BackupConfigError("Invalid base directory "
"(base_dir): %s"% base_dir)
if backup_index:
args.append('-v')
if exclude_patterns is not None:
for pattern in exclude_patterns:
args.append("--exclude=%s" % pattern)
if exclude_patterns_file is not None:
if os.path.isfile(exclude_patterns_file):
args.append("--exclude-from=%s" % exclude_patterns_file)
else:
raise errors.BackupConfigError("Invalid exclude patterns file: %s"
% exclude_patterns_file)
args.extend(['-zcf', archive_path])
self._checkSrcPaths(path_list)
args.extend(path_list)
if backup_index:
returncode, out, err = self._execBackupCmd(args, #@UnusedVariable
out_path=index_path)
else:
returncode, out, err = self._execBackupCmd(args) #@UnusedVariable
if returncode == 0:
logger.info("Finished backup of paths: %s", ', '.join(path_list))
else:
raise errors.BackupError("Backup of paths failed with error code: %s"
% returncode,
*utils.splitMsg(err))
def dumpDatabase(self, db):
dump_filename = "%s_%s.dump" % (self._conf['filename_dump_db'],
db)
dump_path = os.path.join(self._conf['job_path'], dump_filename)
args = [self._conf['cmd_pg_dump'], '-w', '-Fc']
args.extend(self._connArgs)
args.extend(['-f', dump_path, db])
logger.info("Starting dump of PostgreSQL Database: %s"
" Backup: %s", db, dump_path)
returncode, out, err = self._execBackupCmd(args, self._env) #@UnusedVariable
if returncode == 0:
logger.info("Finished dump of PostgreSQL Database: %s"
" Backup: %s", db, dump_path)
else:
raise errors.BackupError("Dump of PostgreSQL database %s failed "
"with error code %s." % (db, returncode),
*utils.splitMsg(err))
def dumpGlobals(self):
dump_path = os.path.join(self._conf['job_path'],
"%s.%s" % (self._conf['filename_dump_globals'],
self._conf['suffix_compress']))
args = [self._conf['cmd_pg_dumpall'], '-w', '-g']
args.extend(self._connArgs)
logger.info("Starting PostgreSQL Global Objects dump."
" Backup: %s", dump_path)
returncode, out, err = self._execBackupCmd(args, #@UnusedVariable
self._env,
out_path=dump_path,
out_compress=True)
if returncode == 0:
logger.info("Finished PostgreSQL Global Objects dump."
" Backup: %s", dump_path)
else:
raise errors.BackupError("Dump failed with error code: %s"
% returncode,
*utils.splitMsg(err))
def syncDirs(self):
self._initSrc()
self._initDest()
compress = parse_value(self._conf.get("compress"), True)
delete = parse_value(self._conf.get("delete"), False)
backup_index = parse_value(self._conf.get("backup_index"), True)
if self._conf.has_key("exclude_patterns"):
exclude_patterns = re.split("\s*,\s*|\s+", self._conf["exclude_patterns"])
else:
exclude_patterns = None
exclude_patterns_file = self._conf.get("exclude_patterns_file")
logger.info("Starting backup of paths: %s", ", ".join(self._path_list))
args = [self._conf["cmd_rsync"]]
if self._dryRun:
args.append("-n")
args.append("-aR")
if compress:
args.append("-z")
if backup_index:
args.append("-v")
args.append("--stats")
if delete:
args.append("--delete")
if exclude_patterns is not None:
for pattern in exclude_patterns:
args.append("--exclude=%s" % pattern)
if exclude_patterns_file is not None:
if os.path.isfile(exclude_patterns_file):
args.append("--exclude-from=%s" % exclude_patterns_file)
else:
raise errors.BackupConfigError("Invalid exclude patterns file: %s" % exclude_patterns_file)
if len(self._src_list) > 0:
args.extend(self._src_list)
else:
raise errors.BackupConfigError("No valid source paths defined for backup.")
args.append(self._archive_path)
if backup_index:
returncode, out, err = self._execBackupCmd(
args, out_path=self._index_path, force_exec=True # @UnusedVariable
)
else:
returncode, out, err = self._execBackupCmd(args, force_exec=True) # @UnusedVariable
if returncode == 0:
logger.info("Finished backup of paths: %s", ", ".join(self._path_list))
else:
raise errors.BackupError("Backup of paths failed with error code: %s" % returncode, *utils.splitMsg(err))
def dumpDatabase(self, db, data=True):
if data:
dump_type = "data"
dump_desc = "MySQL Database Contents"
else:
dump_type = "db"
dump_desc = "MySQL Database Container"
dump_filename = "%s_%s_%s.dump.%s" % (
self._conf["filename_dump_db"],
db,
dump_type,
self._conf["suffix_compress"],
)
dump_path = os.path.join(self._conf["job_path"], dump_filename)
args = [self._conf["cmd_mysqldump"]]
args.extend(self._connArgs)
if db in ("information_schema", "mysql"):
args.append("--skip-lock-tables")
if not data:
args.extend(["--no-create-info", "--no-data", "--databases"])
args.append(db)
logger.info("Starting dump of %s: %s" " Backup: %s", dump_desc, db, dump_path)
returncode, out, err = self._execBackupCmd(
args, self._env, out_path=dump_path, out_compress=True # @UnusedVariable
)
if returncode == 0:
logger.info("Finished dump of %s: %s" " Backup: %s", dump_desc, db, dump_path)
else:
raise errors.BackupError(
"Dump of %s for %s failed " "with error code: %s" % (dump_desc, db, returncode), *utils.splitMsg(err)
)
try:
cmd = subprocess.Popen(args,
stdout=subprocess.PIPE,
stderr=subprocess.PIPE,
bufsize=bufferSize,
env = env)
except Exception, e:
raise errors.ExternalCmdError("External script execution failed.",
"Command: %s" % ' '.join(args),
"Error Message: %s" % str(e))
out, err = cmd.communicate(None) #@UnusedVariable
if not cmd.returncode == 0:
raise errors.ExternalCmdError("Execution of external command failed"
" with error code: %s"
% cmd.returncode,
*utils.splitMsg(err))
else:
return (out, err)
class JobManager:
"""The class implementing the logic for executing multiple backup jobs.
"""
_globalOpts = {'backup_root': 'Root directory for storing backups.',
'hostname_dir': 'Create subdirectory for each hostname. (yes/no)',
'user': '******',
'umask': 'Umask for file and directory creation.',
'console_loglevel': 'Logging level for console.',
'logfile_loglevel': 'Logging level for log file.',
'filename_logfile': 'Filename for log file.',
stdin=cmd.stdout,
stdout=out_fp,
stderr=subprocess.PIPE,
bufsize=bufferSize)
cmd.stdout.close()
except Exception, e:
raise errors.BackupCmdError("Backup compression command failed.",
"Command: %s" % ' '.join(args_comp),
"Error Message: %s" % str(e))
comp_out, comp_err = cmd_comp.communicate(None) #@UnusedVariable
err = cmd.stderr.read()
cmd.wait()
if cmd_comp.returncode == 0:
return (cmd.returncode, '', err)
else:
raise errors.BackupError("Compression of backup failed "
"with error code: %s" % cmd_comp.returncode,
utils.splitMsg(comp_err))
else:
try:
cmd = subprocess.Popen(args,
stdout=(out_fp or subprocess.PIPE),
stderr=subprocess.PIPE,
bufsize=bufferSize,
env = env)
except Exception, e:
raise errors.BackupCmdError("Backup command execution failed.",
"Command: %s" % ' '.join(args),
"Error Message: %s" % str(e))
out, err = cmd.communicate(None)
return (cmd.returncode, out, err)
