def _backoff_request(self, url, method, payload=None, num_attempts=1, initial_wait=0, need_result=True, callback=None):
initial_wait = 5
for _ in range(0, num_attempts):
if self.stop_event.is_set():
break
try:
try:
if method == "POST":
if need_result or num_attempts > 1:
content = post_string(url, payload)
else:
if callback is None:
callback = self.master_post_result_callback
post_string_noreturn(url, payload, result_callback=callback)
return
elif method == "GET":
content = get_string(url)
else:
raise Exception("Invalid method %s" % method)
return 200, content
except Exception as e:
ciel.log("Backoff-request failed with exception %s; re-raising MasterNotResponding" % e, "MASTER_PROXY", logging.ERROR)
raise MasterNotRespondingException()
except:
ciel.log.error("Error contacting master", "MSTRPRXY", logging.WARN, True)
self.stop_event.wait(initial_wait)
initial_wait += initial_wait * random.uniform(0.5, 1.5)
ciel.log.error("Given up trying to contact master", "MSTRPRXY", logging.ERROR, True)
if self.stop_event.is_set():
raise WorkerShutdownException()
else:
raise MasterNotRespondingException()
def backoff_request(self,
url,
method,
payload=None,
need_result=True,
callback=None):
if self.stop_event.is_set():
return
try:
if method == "POST":
if need_result:
content = post_string(url, payload)
else:
if callback is None:
callback = self.master_post_result_callback
post_string_noreturn(url,
payload,
result_callback=callback)
return
elif method == "GET":
content = get_string(url)
else:
raise Exception("Invalid method %s" % method)
return 200, content
except:
ciel.log("Error attempting to contact master, aborting",
"MSTRPRXY", logging.WARNING, True)
raise
def create_job_for_process(self, record):
ref = self.get_reference_for_process(record)
root_task_descriptor = {'handler' : 'proc',
'dependencies' : [ref],
'task_private' : ref}
master_task_submit_uri = urlparse.urljoin(self.worker.master_url, "control/job/")
try:
message = simplejson.dumps(root_task_descriptor, cls=SWReferenceJSONEncoder)
content = post_string(master_task_submit_uri, message)
except Exception, e:
ciel.log('Network error submitting process job to master', 'PROCESSPOOL', logging.WARN)
raise e
def _backoff_request(self,
url,
method,
payload=None,
num_attempts=1,
initial_wait=0,
need_result=True,
callback=None):
initial_wait = 5
for _ in range(0, num_attempts):
if self.stop_event.is_set():
break
try:
try:
if method == "POST":
if need_result or num_attempts > 1:
content = post_string(url, payload)
else:
if callback is None:
callback = self.master_post_result_callback
post_string_noreturn(url,
payload,
result_callback=callback)
return
elif method == "GET":
content = get_string(url)
else:
raise Exception("Invalid method %s" % method)
return 200, content
except Exception as e:
ciel.log(
"Backoff-request failed with exception %s; re-raising MasterNotResponding"
% e, "MASTER_PROXY", logging.ERROR)
raise MasterNotRespondingException()
except:
ciel.log.error("Error contacting master", "MSTRPRXY",
logging.WARN, True)
self.stop_event.wait(initial_wait)
initial_wait += initial_wait * random.uniform(0.5, 1.5)
ciel.log.error("Given up trying to contact master", "MSTRPRXY",
logging.ERROR, True)
if self.stop_event.is_set():
raise WorkerShutdownException()
else:
raise MasterNotRespondingException()
def create_job_for_process(self, record):
ref = self.get_reference_for_process(record)
root_task_descriptor = {
'handler': 'proc',
'dependencies': [ref],
'task_private': ref
}
master_task_submit_uri = urlparse.urljoin(self.worker.master_url,
"control/job/")
try:
message = simplejson.dumps(root_task_descriptor,
cls=SWReferenceJSONEncoder)
content = post_string(master_task_submit_uri, message)
except Exception, e:
ciel.log('Network error submitting process job to master',
'PROCESSPOOL', logging.WARN)
raise e
def backoff_request(self, url, method, payload=None, need_result=True, callback=None):
if self.stop_event.is_set():
return
try:
if method == "POST":
if need_result:
content = post_string(url, payload)
else:
if callback is None:
callback = self.master_post_result_callback
post_string_noreturn(url, payload, result_callback=callback)
return
elif method == "GET":
content = get_string(url)
else:
raise Exception("Invalid method %s" % method)
return 200, content
except:
ciel.log("Error attempting to contact master, aborting", "MSTRPRXY", logging.WARNING, True)
raise
