script to monitor interface address changes

monif

@@ -0,0 +1,46 @@
+#!/usr/bin/env python
+
+# Monitor Interfaces, send hb msg when add changes
+import time, os, sys
+
+SLEEP=60
+SRV="colo2.wapanafa.org"
+DBG=0
+
+IFS=[]
+f=os.popen('/sbin/ifconfig -a 2>/dev/null', 'r')
+for l in f.readlines():
+	if len(l) > 1 and not l[0]  in [' ','\t']:
+		r=l.split()
+		print r
+		if r[0][-1] == ':':
+			r[0]=r[0][:-1]
+		if r[0][:2] == 'lo':
+			continue
+		IFS.append(r[0])
+if DBG: print IFS
+addrs={}
+for I in IFS:
+	addrs[I]=""
+
+while 1:
+
+	for I in IFS:
+		f=os.popen('/sbin/ifconfig %s 2>/dev/null' % I, 'r')
+		for l in f.readlines():
+			r=l.split()
+			if DBG > 1: print  "x2", r
+			if len(r) == 0 or r[0] != 'inet':
+				continue
+			if r[1].find('addr:') == 0:
+				iaddr=r[1][5:]
+			else:
+				iaddr=r[1]
+			if iaddr != addrs[I]:
+				msg='hbc -m "ifadd %s %s" %s' % (I, iaddr, SRV)
+				if DBG: print msg
+				else: os.system(msg)
+				addrs[I]=iaddr
+		f.close()
+
+	time.sleep(SLEEP)