def app(request):
""" The demonstration counter application """
s = get_invocations()
min_sec = get_configuration(MIN_SEC).value
max_sec = get_configuration(MAX_SEC).value
poll = get_poll(service_name)
return render(request, template+'app.html', {'stats': s, 'min': min_sec,
'max': max_sec, 'running': poll_running(poll)})
def app(request):
""" The demonstration counter application """
s = get_invocations()
min_sec = get_configuration(MIN_SEC).value
max_sec = get_configuration(MAX_SEC).value
poll = get_poll(service_name)
return render(request, template + 'app.html', {
'stats': s,
'min': min_sec,
'max': max_sec,
'running': poll_running(poll)
})
def do_start():
""" Start polling the service
Returns JOSN {"running": true}
"""
increment_counter(get_invocations())
conf = get_configuration(SERVICE_URL)
return create_running_response(start_poll(service_name, conf.value))
def do_start():
""" Start polling the service
Returns JOSN {"running": true}
"""
increment_counter(get_invocations())
conf = get_configuration(SERVICE_URL)
return create_running_response(start_poll(service_name, conf.value))
def call_service(name):
""" A Celery worker task (see http://www.celeryproject.org/) to perform a
scheduled poll to the reference service.
"""
log.info('Worker task called')
try:
next_id = None
poll = get_poll(name)
log.info('Expected {0}, current {1}'.format(poll.current_task_id,
call_service.request.id))
if poll.current_task_id == call_service.request.id:
log.info('Calling service at url {0}'.format(poll.url))
try:
r = requests.put(poll.url)
if r.status_code is OK:
log.info('Good response from service')
else:
log.error('Unable to call counter '
'service: {0}'.format(r.reason))
except RequestException as e:
log.error('Unable to call counter service: {0}'.format(e))
min_sec = num(get_configuration(MIN_SEC).value)
max_sec = num(get_configuration(MAX_SEC).value)
if min_sec <= 0 or max_sec < min_sec:
log.warning('Invalid min and max values set ({0}:{1}), using '
'defaults'.format(min_sec, max_sec))
min_sec = num(MIN_SEC_DEFAULT)
max_sec = num(MAX_SEC_DEFAULT)
interval = random.randint(min_sec, max_sec)
log.info('Continue running and schedule next poll for {0} seconds '
'({1}:{2})'.format(interval, min_sec, max_sec))
next_id = call_service.apply_async(args=[name], countdown=interval)
update_task_id(name, next_id)
else:
log.info('Stopping task (saved task is not this task)')
remove_poll(name)
except Exception as e:
log.error('An error occured. Stopping poll: {0}'.format(e))
remove_poll(name)
def call_service(name):
""" A Celery worker task (see http://www.celeryproject.org/) to perform a
scheduled poll to the reference service.
"""
log.info('Worker task called')
try:
next_id = None
poll = get_poll(name)
log.info('Expected {0}, current {1}'.format(poll.current_task_id,
call_service.request.id))
if poll.current_task_id == call_service.request.id:
log.info('Calling service at url {0}'.format(poll.url))
try:
r = requests.put(poll.url)
if r.status_code is OK:
log.info('Good response from service')
else:
log.error('Unable to call counter '
'service: {0}'.format(r.reason))
except RequestException as e:
log.error('Unable to call counter service: {0}'.format(e))
min_sec = num(get_configuration(MIN_SEC).value)
max_sec = num(get_configuration(MAX_SEC).value)
if min_sec <= 0 or max_sec < min_sec:
log.warning('Invalid min and max values set ({0}:{1}), using '
'defaults'.format(min_sec, max_sec))
min_sec = num(MIN_SEC_DEFAULT)
max_sec = num(MAX_SEC_DEFAULT)
interval = random.randint(min_sec, max_sec)
log.info('Continue running and schedule next poll for {0} seconds '
'({1}:{2})'.format(interval, min_sec, max_sec))
next_id = call_service.apply_async(args=[name], countdown=interval)
update_task_id(name, next_id)
else:
log.info('Stopping task (saved task is not this task)')
remove_poll(name)
except Exception as e:
log.error('An error occured. Stopping poll: {0}'.format(e))
remove_poll(name)
def doc(request):
""" Return a HTML representation of the current documentation """
return HttpResponseRedirect(get_configuration(DOC_URL).value)
def source(request):
""" Return a HTML representation of the current source """
return HttpResponseRedirect(get_configuration(SOURCE_URL).value)
def release_notes(request):
""" Return a HTML representation of the current releasenotes """
return HttpResponseRedirect(get_configuration(RELEASE_NOTES_URL).value)
def provenance(request):
""" Return a HTML representation of the current releasenotes """
return HttpResponseRedirect(get_configuration(PROVENANCE_URL).value)
def factsheet(request):
""" Return a HTML representation of the factsheet """
return HttpResponseRedirect(get_configuration(FACTSHEET_URL).value)
def source(request):
""" Return a HTML representation of the current source """
return HttpResponseRedirect(get_configuration(SOURCE_URL).value)
def licence(request):
""" Return a HTML representation of the current releasenotes """
return HttpResponseRedirect(get_configuration(LICENCE_URL).value)
def release_notes(request):
""" Return a HTML representation of the current releasenotes """
return HttpResponseRedirect(get_configuration(RELEASE_NOTES_URL).value)
def doc(request):
""" Return a HTML representation of the current documentation """
return HttpResponseRedirect(get_configuration(DOC_URL).value)
def licence(request):
""" Return a HTML representation of the current releasenotes """
return HttpResponseRedirect(get_configuration(LICENCE_URL).value)
def provenance(request):
""" Return a HTML representation of the current releasenotes """
return HttpResponseRedirect(get_configuration(PROVENANCE_URL).value)
def factsheet(request):
""" Return a HTML representation of the factsheet """
return HttpResponseRedirect(get_configuration(FACTSHEET_URL).value)