Renamed check_bond.py structure to check_bond

check_bond/trunk/check_bond

@@ -0,0 +1,125 @@
+#!/usr/bin/python
+
+# Copyright 2010, Tomas Edwardsson 
+#
+# check_bond.py is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# check_bond.py is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+import pprint
+import re
+import sys
+import getopt
+
+
+
+def readbond( interface ):
+	intfile = "/proc/net/bonding/%s" % interface
+
+	# Read interface info
+	try:
+		bondfh = open (intfile, 'r')
+	except IOError, (errno, strerror):
+		print "Unable to open bond %s: %s" %  (intfile, strerror)
+		sys.exit(3)
+	except:
+		print "Unexpected error:", sys.exc_info()[0]
+		sys.exit(3)
+
+	# Initialize bond data
+	bond = {}
+	bond['slaves'] = []
+	
+	# Which interface are we working with
+	current_int = ''
+
+	# Loop throught the file contents
+	for line in bondfh.readlines():
+		# Remove newlines and split on colon, ignore other
+		try:
+			k, v = line.replace('\n', '').split(': ', 1)
+		except:
+			pass
+
+		# Remove leading whitespaces
+		k = re.sub('^\s*', '', k)
+		# Bonding mode for the channel
+		if k == "Bonding Mode":
+			bond['bonding_mode'] = v
+		# Record current slave interface
+		elif k == "Slave Interface":
+			current_int = v
+		# Slave interface mii status
+		elif current_int and k == "MII Status":
+			bond['slaves'].append( { 'int' : current_int, 'mii_status' : v })
+		# Bond mii status
+		elif k == "MII Status":
+			bond['mii_status'] = v
+			
+	return bond
+
+def usage():
+    print "Usage: %s -i bond0" % sys.argv[0]
+    sys.exit(3)
+
+def main(argv):
+    # Set variables
+    interface = ''
+    outstring = ''
+    retval = 0
+
+    # Nagios return code states
+    states = { 0 : 'OK', 1 : 'Warning', 2 : 'Critical', 3 : 'Unknown' }
+
+    # Try to read the arguments
+    try:                                
+        opts, args = getopt.getopt(argv, "hi:", ["help", "interface="])
+    except getopt.GetoptError:
+        usage()
+        sys.exit(3)
+
+
+    for opt, arg in opts:
+	if opt in ("-h", "--help"):
+	    usage()
+	    sys.exit(3)
+	elif opt in ("-i", "--interface"):
+	    interface = arg
+
+    if (interface == ""):
+	usage()
+	sys.exit(3)
+
+    bond = readbond(interface)
+
+    # The whole bond is down
+    if bond['mii_status'] != 'up':
+	print "Critical: bonding device %s %s" % (interface, bond['mii_status'])
+	sys.exit(2)
+
+	# Some interface in the bond is down
+	for slave in bond['slaves']:
+		if slave['mii_status'] != 'up':
+			outstring = "%s%s down " % (outstring, slave['int'])
+			if retval < 1:
+				retval = 1
+
+	if retval:
+		print "%s: %s%s %s" % (states[retval], outstring, "in bonding device", interface)
+		sys.exit(retval)
+
+	print "OK: bonding device %s up and running" % interface
+	sys.exit(0)
+
+
+if __name__ == "__main__":
+    main(sys.argv[1:])