def screen(self):
bras_stats = ''
for bras in Bras.objects.active():
bras_stats += ' {0}: {1} sessions were cached at {2}\n'.format(bras.name, bras.last_update_sessions(),
bras.last_update_datetime())
current_time = time()
delta = current_time - self.previos_time
cm = coa_counter()
stats = cache_stats()
completed_notifications_num = UserNotificationRecord.objects.filter(is_completed=True).count()
notifications_num = UserNotificationRecord.objects.count()
result = SCREEN_TEMPLATE.format(
cm=cm,
cmps=(cm - self.previos_cm) / delta,
cq=CoaQueue.objects.all().count(),
bras=bras_stats,
mi=stats['curr_items'],
ms=stats['cmd_set'],
msps=(stats['cmd_set'] - self.previos_ms) / delta,
mg=stats['cmd_get'],
mgps=(stats['cmd_get'] - self.previos_mg) / delta,
la=' '.join(map(str, getloadavg())),
nc=completed_notifications_num,
ncp=completed_notifications_num / notifications_num * 100
)
self.previos_time = current_time
self.previos_cm = cm
self.previos_mg = stats['cmd_get']
self.previos_ms = stats['cmd_set']
return result
def handle(self, *args, **options):
stats = cache_stats()
stats['coa_counter'] = coa_counter()
stats['coa_queue'] = CoaQueue.objects.all().count()
if options['zenoss']:
formatted_stats = 'OK | ' + ' '.join(['{0}={1}'.format(key, stats[key]) for key in stats])
print(formatted_stats)
elif options['screen']:
try:
window = curses.initscr()
curses.noecho()
window.clear()
window.nodelay(True)
except:
curses.endwin()
traceback.print_exc()
sys.exit(1)
key_pressed = None
screen_refreshed = 0.00
while key_pressed not in ['q', 'Q']:
if time() - screen_refreshed >= REFRESH_DELAY:
window.clear()
try:
s = str(self.screen().encode('utf-8'))
window.addstr(1, 1, s)
except:
curses.endwin()
traceback.print_exc()
sys.exit(1)
screen_refreshed = time()
try:
key_pressed = window.getkey()
except:
key_pressed = None
sleep(0.5)
curses.endwin()
else:
for key in stats:
print ('{0} : {1}'.format(key, stats[key]))
