mirror of
https://github.com/django-q2/django-q2.git
synced 2026-09-27 05:58:11 +08:00
63 lines
3.5 KiB
Python
63 lines
3.5 KiB
Python
# Django
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from django.core.management.base import BaseCommand
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from django.utils import timezone
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# External
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from blessed import Terminal
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# Local
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from django_q.core import Stat, RUNNING, STOPPED
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class Command(BaseCommand):
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help = "Monitors cluster activity"
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def handle(self, *args, **options):
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term = Terminal()
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with term.fullscreen(), term.hidden_cursor(), term.cbreak():
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val = None
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start_width = int(term.width / 8)
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while val not in (u'q', u'Q',):
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col_width = int(term.width / 8)
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# In case of resize
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if col_width != start_width:
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print(term.clear)
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start_width = col_width
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print(term.move(0, 0) + term.black_on_green(term.center('Host', width=col_width - 1)))
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print(term.move(0, 1 * col_width) + term.black_on_green(term.center('Id', width=col_width - 1)))
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print(term.move(0, 2 * col_width) + term.black_on_green(term.center('Status', width=col_width - 1)))
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print(term.move(0, 3 * col_width) + term.black_on_green(term.center('Pool', width=col_width - 1)))
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print(term.move(0, 4 * col_width) + term.black_on_green(term.center('TQ', width=col_width - 1)))
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print(term.move(0, 5 * col_width) + term.black_on_green(term.center('RQ', width=col_width - 1)))
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print(term.move(0, 6 * col_width) + term.black_on_green(term.center('Deaths', width=col_width - 1)))
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print(term.move(0, 7 * col_width) + term.black_on_green(term.center('Uptime', width=col_width - 1)))
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i = 2
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stats = Stat.get_all()
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print(term.clear_eos())
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for stat in stats:
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# color status
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if stat.status == RUNNING:
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status = term.green(RUNNING)
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elif stat.status == STOPPED:
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status = term.red(STOPPED)
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else:
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status = term.yellow(stat.status)
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# format uptime
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uptime = (timezone.now() - timezone.make_aware(stat.tob)).total_seconds()
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hours, remainder = divmod(uptime, 3600)
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minutes, seconds = divmod(remainder, 60)
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uptime = '%d:%02d:%02d' % (hours, minutes, seconds)
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print(term.move(i, 0) + term.center('{}'.format(stat.host), width=col_width - 1))
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print(term.move(i, 1 * col_width) + term.center('{}'.format(stat.cluster_id), width=col_width - 1))
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print(term.move(i, 2 * col_width) + term.center('{}'.format(status), width=col_width - 1))
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print(
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term.move(i, 3 * col_width) + term.center('{}'.format(len(stat.workers)), width=col_width - 1))
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print(term.move(i, 4 * col_width) + term.center('{}'.format(stat.task_q_size), width=col_width - 1))
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print(term.move(i, 5 * col_width) + term.center('{}'.format(stat.done_q_size), width=col_width - 1))
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print(term.move(i, 6 * col_width) + term.center('{}'.format(stat.reincarnations),
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width=col_width - 1))
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print(term.move(i, 7 * col_width) + term.center('{}'.format(uptime), width=col_width - 1))
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i += 1
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print(term.move(i + 2, 0) + term.center('[Press q to quit]'))
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val = term.inkey(timeout=1)
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