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110 lines
3.1 KiB
Python
Executable File
110 lines
3.1 KiB
Python
Executable File
#!/usr/bin/env python3
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import sys
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import time
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import argparse
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import configparser
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from collections import defaultdict
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import os
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import subprocess
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if False:
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# See https://zulip.readthedocs.io/en/latest/testing/mypy.html#mypy-in-production-scripts
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from typing import Dict
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states = {
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0: "OK",
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1: "WARNING",
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2: "CRITICAL",
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3: "UNKNOWN"
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}
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if 'USER' in os.environ and not os.environ['USER'] in ['root', 'rabbitmq']:
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print("This script must be run as the root or rabbitmq user")
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usage = """Usage: check-rabbitmq-consumers --queue=[queue-name] --min-threshold=[min-threshold]"""
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parser = argparse.ArgumentParser(usage=usage)
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parser.add_argument('--min-threshold',
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dest='min_count',
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type=int,
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default=1,
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action='store')
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options = parser.parse_args()
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config_file = configparser.RawConfigParser()
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config_file.read("/etc/zulip/zulip.conf")
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def get_config(section, key, default_value):
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# type: (str, str, str) -> str
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if config_file.has_option(section, key):
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return config_file.get(section, key)
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return default_value
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TORNADO_PROCESSES = int(get_config('application_server', 'tornado_processes', '1'))
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output = subprocess.check_output(['/usr/sbin/rabbitmqctl', 'list_consumers'],
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universal_newlines=True)
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consumers = defaultdict(int) # type: Dict[str, int]
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sys.path.append(os.path.join(os.path.dirname(os.path.dirname(os.path.dirname(__file__)))))
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queues = {
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'deferred_work'
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'digest_emails',
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'email_mirror',
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'embed_links',
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'embedded_bots',
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'error_reports',
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'feedback_messages',
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'invites',
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'message_sender',
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'missedmessage_emails',
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'missedmessage_email_senders',
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'email_senders',
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'missedmessage_mobile_notifications',
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'outgoing_webhooks',
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'signups',
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'slow_queries',
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'user_activity'
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'user_activity_interval',
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'user_presence',
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# These queues may not be present if settings.TORNADO_PROCESSES > 1
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'notify_tornado',
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'tornado_return',
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}
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for queue_name in queues:
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queue_name = queue_name.strip()
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consumers[queue_name] = 0
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for line in output.split('\n'):
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parts = line.split('\t')
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if len(parts) >= 2:
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queue_name = parts[0]
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if queue_name.startswith("tornado_return_"):
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queue_name = "tornado_return"
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if queue_name.startswith("notify_tornado_"):
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queue_name = "notify_tornado"
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consumers[queue_name] += 1
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now = int(time.time())
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for queue_name in consumers.keys():
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state_file_path = "/var/lib/nagios_state/check-rabbitmq-consumers-" + queue_name
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state_file_tmp = state_file_path + "-tmp"
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target_count = options.min_count
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if queue_name in ["tornado_return", "notify_tornado"]:
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target_count = TORNADO_PROCESSES
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if consumers[queue_name] < target_count:
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status = 2
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else:
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status = 0
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with open(state_file_tmp, "w") as f:
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f.write("%s|%s|%s|queue %s has %s consumers, needs %s\n" % (
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now, status, states[status], queue_name,
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consumers[queue_name], target_count))
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os.rename(state_file_tmp, state_file_path)
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