Files

130 lines
4.8 KiB
Python

from datetime import timedelta
from django_q.brokers import get_broker
from django_q.models import Failure, Schedule, Success
from django_q.status import Stat
from django.db.models import F, Sum
from django.db import connection
from django.core.management.base import BaseCommand
from django.utils.translation import gettext as _
from django.utils import timezone
from django_q import VERSION
from django_q.conf import Conf
class Command(BaseCommand):
# Translators: help text for qinfo management command
help = _("General information over all clusters.")
def add_arguments(self, parser):
parser.add_argument(
"--config",
action="store_true",
dest="config",
default=False,
help="Print current configuration.",
)
parser.add_argument(
"--ids",
action="store_true",
dest="ids",
default=False,
help="Print cluster task ID(s) (PIDs).",
)
def handle(self, *args, **options):
if options.get("ids", True):
stat = Stat.get_all()
if not stat:
print(_("No clusters appear to be running."))
for s in stat:
print(s.cluster_id)
elif options.get("config", False):
hide = [
"conf",
"IDLE",
"STOPPING",
"STARTING",
"WORKING",
"SIGNAL_NAMES",
"STOPPED",
"SECRET_KEY",
]
settings = [
a for a in dir(Conf) if not a.startswith("__") and a not in hide
]
self.stdout.write(f"VERSION: {'.'.join(str(v) for v in VERSION)}")
for setting in settings:
value = getattr(Conf, setting)
if value is not None:
self.stdout.write(f"{setting}: {value}")
else:
broker = get_broker()
broker.ping()
stats = Stat.get_all(broker=broker)
clusters = len(stats)
workers = 0
reincarnations = 0
for cluster in stats:
workers += len(cluster.workers)
reincarnations += cluster.reincarnations
# calculate tasks pm and avg exec time
tasks_per = 0
per = _("day")
exec_time = 0
last_tasks = Success.objects.filter(
stopped__gte=timezone.now() - timedelta(hours=24)
)
tasks_per_day = last_tasks.count()
if tasks_per_day > 0:
# average execution time over the last 24 hours
if connection.vendor != "sqlite":
exec_time = last_tasks.aggregate(
time_taken=Sum(F("stopped") - F("started"))
)
exec_time = exec_time["time_taken"].total_seconds() / tasks_per_day
else:
# can't sum timedeltas on sqlite
for t in last_tasks:
exec_time += t.time_taken()
exec_time = exec_time / tasks_per_day
# tasks per second/minute/hour/day in the last 24 hours
if tasks_per_day > 24 * 60 * 60:
tasks_per = tasks_per_day / (24 * 60 * 60)
per = _("second")
elif tasks_per_day > 24 * 60:
tasks_per = tasks_per_day / (24 * 60)
per = _("minute")
elif tasks_per_day > 24:
tasks_per = tasks_per_day / 24
per = _("hour")
else:
tasks_per = tasks_per_day
print(
_("-- %(prefix)s %(version)s on %(info)s --")
% {
"prefix": Conf.PREFIX.capitalize(),
"version": ".".join(str(v) for v in VERSION),
"info": broker.info(),
}
)
print(_("Clusters: %(clusters)s") % {"clusters": clusters})
print(_("Workers: %(workers)s") % {"workers": workers})
print(_("Restarts: %(restarts)s") % {"restarts": reincarnations})
print("")
print(_("Queued: %(queue_size)s") % {"queue_size": str(broker.queue_size())})
print(_("Successes: %(success_count)s") % {"success_count": str(Success.objects.count())})
print(_("Failures: %(failure_count)s") % {"failure_count": str(Failure.objects.count())})
print("")
print(_("Schedules: %(schedules_count)s") % {"schedules_count": str(Schedule.objects.count())})
print(_("Tasks/%(per)s: %(amount)s") % {"per": per, "amount": f"{tasks_per:.2f}"})
print(_("Avg time: %(time)s") % {"time": f"{exec_time:.4f}"})