[nagios_server] Remove datanommer check

This check is already installed as part of nagios_client playbook. The
nagios_server role contained old version which doesn't work anymore. Let's get rid
off it.

roles/nagios_server/files/nagios/plugins/check_datanommer_timesince.py

@@ -1,74 +0,0 @@
-#!/usr/bin/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.
-You can alternatively provide a 'topic' which might look like
-org.fedoraproject.prod.bodhi.update.comment.
- 
-Requires:  python-dateutil
- 
-Usage:
- 
-    $ check_datanommer_timesince CATEGORY WARNING_THRESH CRITICAL_THRESH
- 
-:Author: Ralph Bean <rbean@redhat.com>
- 
-"""
-from __future__ import print_function
- 
-from builtins import str
-import dateutil.relativedelta
-import subprocess
-import sys
-import json
- 
- 
-def query_timesince(identifier):
-    # If it has a '.', then assume it is a topic.
-    if '.' in identifier:
-        cmd = 'datanommer-latest --topic %s --timesince' % identifier
-    else:
-        cmd = 'datanommer-latest --category %s --timesince' % identifier
-    sys.stderr.write("Running %r\n" % cmd)
-    process = subprocess.Popen(cmd.split(), shell=False,
-                               stdout=subprocess.PIPE, stderr=subprocess.PIPE)
-    stdout, stderr = process.communicate()
-    prefix, stdout = stdout.split("INFO] ", 1)
-    data = json.loads(stdout)
-    return float(data[0])
- 
- 
-def main():
-    identifier, warning_threshold, critical_threshold = sys.argv[-3:]
-    timesince = query_timesince(identifier)
-    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 has not seen a %r message in %s" % (identifier, 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)