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nagios: Don’t crash on missing cron file.

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Signed-off-by: Anders Kaseorg <anders@zulip.com>
This commit is contained in:
Anders Kaseorg
2019-08-29 14:15:35 -07:00
committed by Tim Abbott
parent 69a2ad02cd
commit 5050fb19f6
1 changed files with 20 additions and 14 deletions
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34
scripts/nagios/cron_file_helper.py
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@@ -11,25 +11,31 @@ def nagios_from_file(results_file: str) -> Tuple[int, str]:
This file is created by various nagios checking cron jobs such as This file is created by various nagios checking cron jobs such as
check-rabbitmq-queues and check-rabbitmq-consumers""" check-rabbitmq-queues and check-rabbitmq-consumers"""
with open(results_file) as f: try:
data = f.read().strip() with open(results_file) as f:
pieces = data.split('|') data = f.read().strip()
except FileNotFoundError:
if not len(pieces) == 4:
state = 'UNKNOWN' state = 'UNKNOWN'
ret = 3 ret = 3
data = "Results file malformed" data = "Results file is missing"
else: else:
timestamp = int(pieces[0]) pieces = data.split('|')
time_diff = time.time() - timestamp if not len(pieces) == 4:
if time_diff > 60 * 2:
ret = 3
state = 'UNKNOWN' state = 'UNKNOWN'
data = "Results file is stale" ret = 3
data = "Results file malformed"
else: else:
ret = int(pieces[1]) timestamp = int(pieces[0])
state = pieces[2]
data = pieces[3] time_diff = time.time() - timestamp
if time_diff > 60 * 2:
ret = 3
state = 'UNKNOWN'
data = "Results file is stale"
else:
ret = int(pieces[1])
state = pieces[2]
data = pieces[3]
return (ret, f"{state}: {data}") return (ret, f"{state}: {data}")