autoconf support

plugins/nginx/nginx_working_set

@@ -2,9 +2,13 @@
 #
 # Munin plugin for monitoring Nginx working set
 #
-# ---
+# by Mike Koss, Feb 12, 2012 - MIT License
+#
+#%# family=auto
+#%# capabilities=autoconf
 
-if [ "$1" == config ]; then
+case $1 in
+config)
     cat <<'EOF'
 graph_title NGINX Working Set
 graph_vlabel WS Bytes
@@ -13,7 +17,17 @@ graph_args --base 1024
 ws.label Working Set
 EOF
     exit 0
-fi
+    ;;
+
+autoconf)
+    if [ "$(pidof nginx)" == "" ]; then
+        echo no
+    else
+        echo yes
+    fi
+    exit 0
+    ;;
+esac
 
 KBS=$(ps -o rss --no-heading -p $(pidof nginx))
 total=0