update check behavior
diff --git a/sensu/files/checks/check_rabbitmq_stuck_nodes.sh b/sensu/files/checks/check_rabbitmq_stuck_nodes.sh
index 77efa0c..66c6b93 100644
--- a/sensu/files/checks/check_rabbitmq_stuck_nodes.sh
+++ b/sensu/files/checks/check_rabbitmq_stuck_nodes.sh
@@ -1,10 +1,39 @@
 #!/bin/bash
 #checks "rabbitmqctl eval 'rabbit_diagnostics:maybe_stuck().'" command.
 
+usage() {
+	echo "checks "rabbitmqctl eval 'rabbit_diagnostics:maybe_stuck().'" command."
+	echo "Shows number of suspicious processes."
+    echo "usage: ./check_rabbitmq_stuck_nodes.sh -w <warning.threshold> -c <critical.threshold>"
+    exit 1
+}
+
+while getopts ":w:c:" opt; do
+    case $opt in
+        w)
+            WARN=${OPTARG};;
+        c)
+            CRIT=${OPTARG};;
+       \?)
+            echo "Invalid option"
+            usage;;
+        : ) echo "Option -"$OPTARG" requires an argument." >&2
+            usage;;
+    esac
+done
+
+if [ -z "${WARN}" ] || [ -z "${CRIT}" ]; then
+    usage
+fi
+
 exit_critical() {
     echo "CRITICAL: $*"
     exit 2
 }
+exit_warning() {
+    echo "WARNING: $*"
+    exit 1
+}
 exit_ok() {
     echo "OK: $*"
     exit 0
@@ -12,8 +41,10 @@
 
 read -ra rabbit_eval <<< $(sudo rabbitmqctl eval 'rabbit_diagnostics:maybe_stuck().' | grep -o "Found "[0-9]*" suspicious processes.")
 if [[ -n ${rabbit_eval[@]} ]]; then
-	if [[ ${rabbit_eval[1]} -eq 0 ]]; then
+	if [[ ${rabbit_eval[1]} -lt $WARN ]]; then
 		exit_ok ${rabbit_eval[@]}
+	elif [[ ${rabbit_eval[1]} -lt $CRIT ]]; then
+		exit_warning ${rabbit_eval[@]}
 	else
 		exit_critical ${rabbit_eval[@]}
 	fi