def instances(self, request, **kwargs):
self.method_check(request, allowed=['get'])
stats = []
app = self.get_app(kwargs)
if not app:
return HttpResponseNotFound(_("No such application"))
if app.run_plan:
for backend_conf in app.run_plan.backends:
backend_data = {
'name': backend_conf.backend.name,
'ip': str(backend_conf.backend.ip),
'limits': {
'workers_min': backend_conf.workers_min,
'workers_max': backend_conf.workers_max,
'memory_per_worker': app.run_plan.memory_per_worker,
'memory_per_worker_bytes':
app.run_plan.memory_per_worker * 1024 * 1024,
'backend_memory': app.run_plan.memory_per_worker *
backend_conf.workers_max,
'backend_memory_bytes':
app.run_plan.memory_per_worker *
backend_conf.workers_max * 1024 * 1024,
}}
s = fetch_json_stats(str(backend_conf.backend.ip),
backend_conf.stats)
stats.append({'backend': backend_data, 'stats': s})
return self.create_response(request, stats)
def wait_until(self, application, running=True, timelimit=120):
run_plan = self.backend.application_settings(application)
if not run_plan:
return False
if running:
action = _("start")
else:
action = _("stop")
backend_conf = run_plan.backend_settings(self.backend)
if backend_conf:
ip = str(self.backend.ip)
name = application.name
# FIXME track pid change instead of initial sleep (?)
sleep(3)
timeout = datetime.now() + timedelta(seconds=timelimit)
logged = False
while datetime.now() <= timeout:
s = fetch_json_stats(ip, backend_conf.stats)
if running and s:
return True
if not running and not s:
return True
if logged:
log.debug(_("Waiting for {name} to {action}").format(
name=name, action=action))
else:
log.info(_("Waiting for {name} to {action}").format(
name=name, action=action))
logged = True
sleep(2)
else:
log.error(_("Timeout reached for {name}").format(name=name))
return False
def test_uwsgi_stats_invalid(self):
from upaas_admin.common.uwsgi import fetch_json_stats
self.assertEqual(fetch_json_stats('127.0.0.1', 65000), None)