126 lines
3.1 KiB
Python
126 lines
3.1 KiB
Python
#!/usr/bin/python
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# Copyright 2010, Tomas Edwardsson
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#
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# check_bond.py is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# check_bond.py is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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import pprint
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import re
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import sys
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import getopt
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def readbond( interface ):
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intfile = "/proc/net/bonding/%s" % interface
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# Read interface info
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try:
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bondfh = open (intfile, 'r')
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except IOError, (errno, strerror):
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print "Unable to open bond %s: %s" % (intfile, strerror)
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sys.exit(3)
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except:
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print "Unexpected error:", sys.exc_info()[0]
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sys.exit(3)
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# Initialize bond data
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bond = {}
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bond['slaves'] = []
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# Which interface are we working with
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current_int = ''
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# Loop throught the file contents
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for line in bondfh.readlines():
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# Remove newlines and split on colon, ignore other
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try:
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k, v = line.replace('\n', '').split(': ', 1)
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except:
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pass
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# Remove leading whitespaces
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k = re.sub('^\s*', '', k)
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# Bonding mode for the channel
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if k == "Bonding Mode":
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bond['bonding_mode'] = v
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# Record current slave interface
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elif k == "Slave Interface":
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current_int = v
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# Slave interface mii status
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elif current_int and k == "MII Status":
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bond['slaves'].append( { 'int' : current_int, 'mii_status' : v })
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# Bond mii status
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elif k == "MII Status":
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bond['mii_status'] = v
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return bond
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def usage():
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print "Usage: %s -i bond0" % sys.argv[0]
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sys.exit(3)
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def main(argv):
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# Set variables
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interface = ''
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outstring = ''
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retval = 0
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# Nagios return code states
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states = { 0 : 'OK', 1 : 'Warning', 2 : 'Critical', 3 : 'Unknown' }
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# Try to read the arguments
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try:
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opts, args = getopt.getopt(argv, "hi:", ["help", "interface="])
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except getopt.GetoptError:
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usage()
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sys.exit(3)
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for opt, arg in opts:
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if opt in ("-h", "--help"):
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usage()
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sys.exit(3)
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elif opt in ("-i", "--interface"):
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interface = arg
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if (interface == ""):
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usage()
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sys.exit(3)
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bond = readbond(interface)
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# The whole bond is down
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if bond['mii_status'] != 'up':
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print "Critical: bonding device %s %s" % (interface, bond['mii_status'])
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sys.exit(2)
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# Some interface in the bond is down
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for slave in bond['slaves']:
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if slave['mii_status'] != 'up':
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outstring = "%s%s down " % (outstring, slave['int'])
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if retval < 1:
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retval = 1
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if retval:
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print "%s: %s%s %s" % (states[retval], outstring, "in bonding device", interface)
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sys.exit(retval)
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print "OK: bonding device %s up and running" % interface
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sys.exit(0)
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if __name__ == "__main__":
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main(sys.argv[1:])
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