def main(argv=None):
"""Main block for backup script.
@param argv: Command line arguments to script. By default the arguments are
obtained automatically from the command line. This variable
exists only for testing purposes.
@return: Integer return code for process.
"""
try:
(opts, jobs) = parseCmdline(argv)
jobmgr = JobManager(opts, jobs)
jobmgr.run()
except errors.BackupError, e:
if e.fatal:
level = logging.CRITICAL
else:
level = logging.ERROR
logger.log(level, e.desc)
for line in e:
logger.log(level, " %s" , line)
if e.trace:
raise
elif e.fatal:
return 1
def runJobs(self):
"""Runs the requested backup jobs. Backup jobs are either explicitly
listed on the command line or all active backup jobs in configuration
file are run.
"""
dry_run = self._globalConf.get('dry_run', False)
for job_name in self._jobs:
self._numJobs += 1
logmgr.setContext(job_name)
job_conf = self._jobsConf.get(job_name)
if job_conf is not None:
active = parse_value(job_conf.get('active', 'yes'), True)
if active:
job_pre_exec = job_conf.get('job_pre_exec')
job_post_exec = job_conf.get('job_post_exec')
if job_pre_exec is not None:
logger.info("Executing job pre-execution script.")
try:
execExternalCmd(job_pre_exec.split(), None, dry_run)
job_pre_exec_ok = True
except errors.ExternalCmdError, e:
job_pre_exec_ok = False
job_ok = False
logger.error("Job pre-execution script failed.")
logger.error(e.desc)
for line in e:
logger.error(" %s" , line)
else:
job_pre_exec_ok = True
if job_pre_exec_ok:
try:
logger.info("Starting execution of backup job.")
job = BackupJob(job_name, self._globalConf, job_conf)
job.run()
logger.info("Finished execution of backup job.")
job_ok = True
except errors.BackupError, e:
logger.error("Execution of backup job failed.")
job_ok = False
if e.trace or e.fatal:
raise
else:
if e.fatal:
level = logging.CRITICAL
else:
level = logging.ERROR
logger.log(level, e.desc)
for line in e:
logger.log(level, " %s" , line)
if job_post_exec is not None and job_pre_exec_ok:
logger.info("Executing job post-execution script.")
try:
execExternalCmd(job_post_exec.split(), None, dry_run)
except errors.ExternalCmdError, e:
job_ok = False
logger.error("Job pre-execution script failed.")
logger.error(e.desc)
for line in e:
logger.error(" %s" , line)
if job_ok:
self._numJobsSuccess += 1
else:
self._numJobsError += 1
