76 lines
1.8 KiB
Python
Executable file
76 lines
1.8 KiB
Python
Executable file
#!/usr/bin/python2
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""" Nagios check for haproxy over-subscription.
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fedmsg-gateway is the primary concern as it can eat up a ton of simultaneous
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connections.
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:Author: Ralph Bean <rbean@redhat.com>
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"""
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import socket
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import sys
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def _numeric(value):
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""" Type casting utility """
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try:
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return int(value)
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except ValueError:
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try:
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return float(value)
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except ValueError:
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return value
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def query(sockname="/var/run/haproxy-stat"):
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""" Read stats from the haproxy socket and return a dict """
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s = socket.socket(socket.AF_UNIX, socket.SOCK_STREAM)
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s.connect("/var/run/haproxy-stat")
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s.send('show info\n')
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try:
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response = s.recv(1024).strip()
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lines = response.split('\n')
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data = dict([map(str.strip, line.split(':')) for line in lines])
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data = dict([(k, _numeric(v)) for k, v in data.items()])
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return data
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except Exception, e:
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print str(e)
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finally:
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s.close()
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return None
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def nagios_check(data):
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""" Print warnings and return nagios exit codes. """
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current = data['CurrConns']
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maxconn = data['Maxconn']
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percent = 100 * float(current) / float(maxconn)
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details = "%.2f%% subscribed. %i current of %i maxconn." % (
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percent, current, maxconn,
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)
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if percent < 50:
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print "HAPROXY SUBS OK: " + details
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return 0
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if percent < 75:
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print "HAPROXY SUBS WARN: " + details
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return 1
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if percent <= 100:
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print "HAPROXY SUBS CRIT: " + details
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return 2
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print "HAPROXY SUBS UNKNOWN: " + details
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return 3
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if __name__ == '__main__':
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try:
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data = query(sockname="/var/run/haproxy-stat")
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except Exception as e:
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print "HAPROXY SUBS UNKNOWN: " + str(e)
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sys.exit(3)
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sys.exit(nagios_check(data))
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