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365fe0b3d5
Fixes #2665. Regenerated by tabbott with `lint --fix` after a rebase and change in parameters. Note from tabbott: In a few cases, this converts technical debt in the form of unsorted imports into different technical debt in the form of our largest files having very long, ugly import sequences at the start. I expect this change will increase pressure for us to split those files, which isn't a bad thing. Signed-off-by: Anders Kaseorg <anders@zulip.com>
85 lines
2.6 KiB
Python
Executable File
85 lines
2.6 KiB
Python
Executable File
#!/usr/bin/env python3
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import argparse
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import configparser
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import os
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import subprocess
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import sys
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import time
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from collections import defaultdict
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from typing import Dict
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ZULIP_PATH = os.path.dirname(os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
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sys.path.append(ZULIP_PATH)
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from scripts.lib.check_rabbitmq_queue import normal_queues
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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: str, key: str, default_value: 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: Dict[str, int] = defaultdict(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 = set(normal_queues).union({
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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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})
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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("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 == "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(f"{now}|{status}|{states[status]}|queue {queue_name} has {consumers[queue_name]} consumers, needs {target_count}\n")
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os.rename(state_file_tmp, state_file_path)
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