keepalived/files/check_keepalived

@@ -0,0 +1,53 @@
+#!/bin/bash
+
+###############################################################
+#       Check Keepalived State                                #
+#                                                             #
+#       Author:         Zhivko Todorov <ztodorov@neterra.net> #
+#       Date:           01-Dec-2015                           #
+#       Version:        0.0.1                                 #
+#       License:        GPL                                   #
+###############################################################
+
+
+# set to 'true' if the host is supposed to be in MASTER state
+# or set to 'false' if the host is supposed to be in BACKUP state
+# nrpe cannot receive external variables UNLESS is forced in config
+MASTER='true'
+
+# checking if there are alive keepalived processes so we can trust the content of the notify 'state' file
+KEEPALIVENUM=`ps uax|grep '/usr/sbin/keepalived'|grep -v grep|wc -l|tr -d "\n"`
+
+if [ $KEEPALIVENUM -gt 0 ]; then
+
+  KEEPALIVESTATE=`cat /var/run/keepalive.state`
+
+  if [ "$MASTER" == "true" ]; then
+
+    if [[ $KEEPALIVESTATE == *"MASTER"* ]];then
+      echo $KEEPALIVESTATE
+      exit 0
+    fi
+
+    if [[ $KEEPALIVESTATE == *"BACKUP"* ]];then
+      echo $KEEPALIVESTATE
+      exit 2
+    fi
+
+  else
+
+    if [[ $KEEPALIVESTATE == *"BACKUP"* ]];then
+      echo $KEEPALIVESTATE
+      exit 0
+    fi
+
+    if [[ $KEEPALIVESTATE == *"MASTER"* ]];then
+      echo $KEEPALIVESTATE
+      exit 2
+    fi
+
+  fi
+fi
+
+echo "Keepalived is in UNKNOWN state"
+exit 3