def process_commands(self):
for command in self.db.master_commands.find():
if command['command'] in self.commands:
utils.info('Got command: {0}'.format(command['command']))
self.commands[command['command']](command['params'])
else:
utils.error('Command not recognised: {0} - deleting'.format(command['command']))
self.db.master_commands.remove({'_id': command['_id']})
def job_is_completed(self, job):
if job['fragments'] is not None:
for fragment_id in job['fragments']:
fragment = self.db.fragments.find_one({'_id' : fragment_id})
if fragment is not None:
if not (fragment['status'] == 'completed' or fragment['status'] == 'cancelled'):
return False
else:
utils.error('Fragment {0} does not exist'.format(fragment_id))
return True
def scan_jobs(self):
try:
job_dirs = os.listdir(self.controller.job_dir)
except:
utils.error('Directory error: {0}'.format(self.controller.job_dir))
return
for job_dir in job_dirs:
abs_job_dir = os.path.join(self.controller.job_dir, job_dir)
job_info_file = os.path.join(abs_job_dir, 'job_info.json')
if os.path.exists(job_info_file):
utils.info('Found job info file: {0}'.format(job_info_file))
job_info = None
try:
job_info = json.loads(open(job_info_file).read())
except:
utils.error('Error parsing .json file')
return
finally:
os.rename(job_info_file, '{0}.backup'.format(job_info_file))
job_id = self.db.jobs.insert(
{'name' : job_info['name'],
'root' : abs_job_dir,
'module' : job_info['module'],
'status' : 'active',
'params' : job_info['module_data'],
'attempts' : 0,
'fragments' : None,
'commands' : []
})
utils.info('Adding job: {0}'.format(job_info['name']))
fragment_ids = self.create_fragments(job_id, job_info['module'])
if fragment_ids is not None:
self.db.jobs.update({'_id' : job_id}, {'$set' : {'fragments' : fragment_ids}})
else:
utils.error('Failed to creat fragments for {0}'.format(job_info['name']))
self.db.jobs.update({'_id' : job_id}, {'$set' : {'status' : 'failed'}})
