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98 lines
2.6 KiB
Python
98 lines
2.6 KiB
Python
#!/usr/bin/env python
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# -*- coding: utf-8 -*-
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import os
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import time
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import optparse
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from rq import use_redis, Queue
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from rq.utils import gettermsize, make_colorizer
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green = make_colorizer('darkgreen')
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def get_scale(x):
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"""Finds the lowest scale where x <= scale."""
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scales = [20, 50, 100, 200, 400, 600, 800, 1000]
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for scale in scales:
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if x <= scale:
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return scale
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return x
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def parse_args():
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parser = optparse.OptionParser()
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parser.add_option('-q', '--queues', dest='subcmd',
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action='store_const', const='queues',
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help='Shows stats for queues.')
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parser.add_option('-w', '--workers', dest='subcmd',
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action='store_const', const='workers',
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help='Shows stats for workers.')
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parser.add_option('-n', '--interval', dest='interval',
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type='float',
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help='The interval between polls, in seconds. Does not poll if 0.')
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parser.add_option('-g', '--graph', dest='graph',
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action='store_true', default=False,
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help='Shows bar chart graphs where possible.')
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opts, args = parser.parse_args()
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return (opts, args, parser)
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def show_queues(opts, args, parser):
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while True:
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if len(args):
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qs = map(Queue, args)
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else:
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qs = Queue.all()
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num_jobs = 0
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termwidth, _ = gettermsize()
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chartwidth = min(20, termwidth - 20)
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max_count = 0
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counts = dict()
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for q in qs:
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count = q.count
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counts[q] = count
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max_count = max(max_count, count)
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scale = get_scale(max_count)
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ratio = chartwidth * 1.0 / scale
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if opts.interval:
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os.system('clear')
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print('scale = %d' % scale)
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for q in qs:
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count = counts[q]
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if opts.graph:
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chart = green('|' + '█' * int(ratio * count))
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line = '%-12s %s %d' % (q.name, chart, count)
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else:
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line = '%-12s %d' % (q.name, count)
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print(line)
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num_jobs += count
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print('%d queues, %d jobs total' % (len(qs), num_jobs))
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if opts.interval:
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time.sleep(opts.interval)
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else:
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break
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def show_workers(opts, args, parser):
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raise NotImplementedError()
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def main():
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opts, args, parser = parse_args()
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if not opts.subcmd:
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parser.error('Specify either --queues or --workers.')
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use_redis()
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if opts.subcmd == 'workers':
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show_workers(opts, args, parser)
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elif opts.subcmd == 'queues':
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show_queues(opts, args, parser)
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if __name__ == '__main__':
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main()
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