zulip/scripts/nagios/check-rabbitmq-queue

74 lines
2.2 KiB
Python
Executable File

#!/usr/bin/env python3
import re
import time
import os
import subprocess
# The WARN_THRESHOLD/CRIT_THRESHOLD settings makes it possible to
# configure specific queues to have a higher or lower limit then the
# default.
WARN_THRESHOLD_DEFAULT = 10
WARN_THRESHOLD = {
'missedmessage_emails': WARN_THRESHOLD_DEFAULT,
}
CRIT_THRESHOLD_DEFAULT = 50
CRIT_THRESHOLD = {
'missedmessage_emails': CRIT_THRESHOLD_DEFAULT,
}
states = {
0: "OK",
1: "WARNING",
2: "CRITICAL",
3: "UNKNOWN"
}
pattern = re.compile(r'(\w+)\t(\d+)')
output = subprocess.check_output(['/usr/sbin/rabbitmqctl', 'list_queues'], universal_newlines=True)
status = 0
max_count = 0
warn_queues = []
if 'USER' in os.environ and not os.environ['USER'] in ['root', 'rabbitmq']:
print("This script must be run as the root or rabbitmq user")
for line in output.split("\n"):
line = line.strip()
m = pattern.match(line)
if m:
queue = m.group(1)
count = int(m.group(2))
this_status = 0
if count > CRIT_THRESHOLD.get(queue, CRIT_THRESHOLD_DEFAULT):
this_status = 2
warn_queues.append(queue)
elif count > WARN_THRESHOLD.get(queue, WARN_THRESHOLD_DEFAULT):
this_status = max(status, 1)
warn_queues.append(queue)
status = max(status, this_status)
max_count = max(max_count, count)
warn_about = ", ".join(warn_queues)
now = int(time.time())
now_struct = time.gmtime(now)
# While we are sending digest emails, at 1800 hrs (UTC) each weekday, the mail
# queues can get backed up; don't alert on those. Additionally, certain workers
# (slow_queries and digest_emails) have a polling algorithm that means it's
# normal for them to accumulate items.
if not set(warn_queues) - set(("digest_emails", "slow_queries")) and \
now_struct.tm_hour == 18 and now_struct.tm_min < 25:
status = 0
print("%s|%s|%s|processing digests, not alerting on elevated mail queues" % (
now, status, states[status]))
exit(0)
if status > 0:
print("%s|%s|%s|max count %s, queues affected: %s" % (
now, status, states[status], max_count, warn_about))
else:
print("%s|%s|%s|queues normal, max count %s" % (now, status, states[status], max_count))