def run():
# Reset any running tasks at runner start; if anything got stuck
# because of a restart, we want to clear it when we start.
for i in Updater.objects.filter(running=True):
i.running = False
i.save()
while True:
try:
time_threshold = timezone.now()
for i in Updater.objects.filter(
next_update__lt=time_threshold,
failure_count__lt=5,
running=False).order_by('next_update'):
updater_props = type_data.get(i.type, None)
if not updater_props: continue
i = getattr(i, updater_props['prop'])
# Set next update here; then reset it again when the function actually finishes.
i.running = True
i.save()
t = threading.Thread(target=thread_runner, args=[i])
t.start()
except Exception, E:
print "Something very basic went wrong with something: %s" % E
time.sleep(1)
def thread_runner(instance):
if DEBUG:
print "running instance", instance.id
runtime = time.time()
try:
updater_props = type_data.get(instance.type, None)
runner = updater_props['runner']
instance = getattr(instance, updater_props['prop'])
runner(instance)
instance.last_update = timezone.now()
instance.next_update = timezone.now() + timedelta(seconds=DEFAULT_UPDATE_INTERVAL)
# We leave messages + timestamps so we can see old failures even if the system recovered.
instance.failure_count = 0
instance.running = False
instance.save()
except Exception, E:
msg = "Attempting to update %s failed for %s: \n %s: %s" % (instance.type, instance.id, type(E), E)
print msg
# we don't update last_update on failure.
instance.last_failure = timezone.now()
instance.last_failure_message = msg
instance.failure_count = instance.failure_count + 1
# exponential backoff
update_time = DEFAULT_UPDATE_INTERVAL * math.pow(2, instance.failure_count)
instance.next_update = timezone.now() + timedelta(seconds=update_time)
instance.running = False
instance.save()
def run():
while True:
try:
time_threshold = timezone.now()
for i in Updater.objects.filter(next_update__lt=time_threshold, failure_count__lt=5).order_by('next_update'):
updater_props = type_data.get(i.type, None)
if not updater_props: continue
runner = updater_props['runner']
i = getattr(i, updater_props['prop'])
try:
runner(i)
i.last_update = timezone.now()
i.next_update = timezone.now() + timedelta(seconds=DEFAULT_UPDATE_INTERVAL)
# We leave messages + timestamps so we can see old failures even if the system recovered.
i.failure_count = 0
i.save()
except Exception, E:
msg = "Attempting to update %s failed for %s: \n %s: %s" % (i.type, i.id, type(E), E)
print msg
# we don't update last_update on failure.
i.last_failure = timezone.now()
i.last_failure_message = msg
i.failure_count = i.failure_count + 1
# exponential backoff
update_time = DEFAULT_UPDATE_INTERVAL * math.pow(2, i.failure_count)
i.next_update = timezone.now() + timedelta(seconds=update_time)
i.save()
except Exception, E:
print "Something very basic went wrong with something: %s" % E
time.sleep(1)
def thread_runner(instance):
if DEBUG:
print "running instance", instance.id
runtime = time.time()
delay = DEFAULT_UPDATE_INTERVAL
try:
updater_props = type_data.get(instance.type, None)
delay = updater_props.get('delay', DEFAULT_UPDATE_INTERVAL)
lu = LastActivity.objects.filter(user=instance.user)
key = AccessKey.objects.filter(user=instance.user)
recent = timezone.now() - timedelta(seconds=120)
if not lu.count() or lu[0].timestamp < recent:
if DEBUG: print "Not active"
delay = delay * 20
else:
if DEBUG: print "Active"
runner = updater_props['runner']
instance = getattr(instance, updater_props['prop'])
changed = runner(instance)
if changed > 0 and REPORT_PUSH:
if len(key):
urllib.urlopen("http://localhost:8765/api?key=%s" %
key[0].key).read()
instance.last_update = timezone.now()
instance.next_update = timezone.now() + timedelta(seconds=delay)
# We leave messages + timestamps so we can see old failures even if the system recovered.
instance.failure_count = 0
instance.running = False
instance.save()
except Exception, E:
msg = "Attempting to update %s failed for %s: \n %s: %s" % (
instance.type, instance.id, type(E), E)
print msg
# we don't update last_update on failure.
instance.last_failure = timezone.now()
instance.last_failure_message = msg
instance.failure_count = instance.failure_count + 1
# exponential backoff
update_time = delay * math.pow(3, instance.failure_count)
instance.next_update = timezone.now() + timedelta(seconds=update_time)
instance.running = False
instance.save()
def thread_runner(instance):
if DEBUG:
print "running instance", instance.id
runtime = time.time()
delay = DEFAULT_UPDATE_INTERVAL
try:
updater_props = type_data.get(instance.type, None)
delay = updater_props.get('delay', DEFAULT_UPDATE_INTERVAL)
lu = LastActivity.objects.filter(user=instance.user)
key = AccessKey.objects.filter(user=instance.user)
recent = timezone.now() - timedelta(seconds=120)
if not lu.count() or lu[0].timestamp < recent:
if DEBUG: print "Not active"
delay = delay * 20
else:
if DEBUG: print "Active"
runner = updater_props['runner']
instance = getattr(instance, updater_props['prop'])
changed = runner(instance)
if changed > 0 and REPORT_PUSH:
if len(key):
urllib.urlopen("http://localhost:8765/api?key=%s" % key[0].key).read()
instance.last_update = timezone.now()
instance.next_update = timezone.now() + timedelta(seconds=delay)
# We leave messages + timestamps so we can see old failures even if the system recovered.
instance.failure_count = 0
instance.running = False
instance.save()
except Exception, E:
msg = "Attempting to update %s failed for %s: \n %s: %s" % (instance.type, instance.id, type(E), E)
print msg
# we don't update last_update on failure.
instance.last_failure = timezone.now()
instance.last_failure_message = msg
instance.failure_count = instance.failure_count + 1
# exponential backoff
update_time = delay * math.pow(3, instance.failure_count)
instance.next_update = timezone.now() + timedelta(seconds=update_time)
instance.running = False
instance.save()
def run():
# Reset any running tasks at runner start; if anything got stuck
# because of a restart, we want to clear it when we start.
for i in Updater.objects.filter(running=True):
i.running = False
i.save()
while True:
try:
time_threshold = timezone.now()
for i in Updater.objects.filter(next_update__lt=time_threshold, failure_count__lt=5, running=False).order_by('next_update'):
updater_props = type_data.get(i.type, None)
if not updater_props: continue
i = getattr(i, updater_props['prop'])
# Set next update here; then reset it again when the function actually finishes.
i.running = True
i.save()
t = threading.Thread(target=thread_runner, args=[i])
t.start()
except Exception, E:
print "Something very basic went wrong with something: %s" % E
time.sleep(1)
def friendly_type(self):
from main.appconfig import type_data
appdata = type_data.get(self.type, None)
if not appdata: return self.type
return appdata.get('label', self.type)
def friendly_type(self):
from main.appconfig import type_data
appdata = type_data.get(self.type, None)
if not appdata: return self.type
return appdata.get('label', self.type)
