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Nagios/NRPE check for Fedora Infrastructure's datanommer
#!/usr/bin/env python
""" NRPE check for datanommer/fedmsg health.
Given a category like 'bodhi', 'buildsys', or 'git', return an error if
datanommer hasn't seen a message of that type in such and such time.
Requires: python-dateutil
Usage:
$ check_datanommer_timesince CATEGORY WARNING_THRESH CRITICAL_THRESH
:Author: Ralph Bean <rbean@redhat.com>
"""
import dateutil.relativedelta
import subprocess
import sys
import json
def query_timesince(category):
cmd = 'datanommer-latest --category %s --timesince' % category
sys.stderr.write("Running %r\n" % cmd)
process = subprocess.Popen(cmd.split(), shell=False,
stdout=subprocess.PIPE, stderr=subprocess.PIPE)
stdout, stderr = process.communicate()
data = json.loads(stdout)
return data[0]
def main():
category, warning_threshold, critical_threshold = sys.argv[-3:]
timesince = query_timesince(category)
warning_threshold = int(warning_threshold)
critical_threshold = int(critical_threshold)
time_strings = []
rd = dateutil.relativedelta.relativedelta(seconds=timesince)
for denomination in ['years', 'months', 'days', 'hours', 'minutes', 'seconds']:
value = getattr(rd, denomination, 0)
if value:
time_strings.append("%d %s" % (value, denomination))
string = ", ".join(time_strings)
reason = "datanommer hasn't seen a %r message in %s" % (category, string)
if timesince > critical_threshold:
print "CRIT: ", reason
sys.exit(2)
if timesince > warning_threshold:
print "WARN: ", reason
sys.exit(1)
print "OK: ", reason
sys.exit(0)
if __name__ == '__main__':
try:
main()
except Exception as e:
print "UNKNOWN: ", str(e)
sys.exit(3)
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