def __load_config(self):
"""
This function is used only if servicename is not given, and
daemon is not started by kasaya daemon.
"""
from kasaya.conf import load_worker_settings, set_value
try:
config = load_worker_settings("service.conf")
except IOError:
import sys
LOG.critical(
"File 'service.conf' not found, unable to start service.")
sys.exit(1)
# system settings overwriting
for k, v in config['config'].items():
set_value(k, v)
# worker environment
for k, v in config['env'].items():
os.environ[k.upper()] = v
# service name
svcc = config['service']
svname = svcc['name']
LOG.info("Service config loaded. Service name: %s" % svname)
# set flag to load tasks automatically
self.__auto_load_tasks_module = svcc['module']
return svname
def register_task(self, name, func, timeout, anonymous, permissions,
close_dj_conn):
# task name
if name is None:
name = func.__name__
if name in self.db:
if func == self.db[name]['func']:
return
c = "Task %s is already registered" % name
LOG.critical(c)
raise Exception(c)
# timeout
if not timeout is None:
if type(timeout) != int:
raise Exception("Timeout must be integer value")
if timeout < 0:
raise Exception("Timeout cannot be negative value")
# extra params for task
doc = func.__doc__
if not doc is None:
doc = doc.strip()
taskdata = {
'func': func,
'doc': doc, # docstring
'timeout': timeout, # timeout in seconds
'anon': anonymous, # can task be executed without authorisation
'perms': permissions, # permissions required to call task
'close_djconn': close_dj_conn, # close django connection on exit
'res_succ': 0, # successful calls
'res_err': 0, # error finishing calls
'res_tout': 0, # timed out calls
}
self.db[name] = taskdata
LOG.debug("Registered task %s" % name)