From eec974c5103f3484c2116f8db6d849e517601e8d Mon Sep 17 00:00:00 2001
From: Gareth Davies <shaolintiger@gmail.com>
Date: Fri, 14 Jun 2013 02:13:49 +0800
Subject: [PATCH] Added symlinks to enable the plugin in the header comments.

---
 plugins/unicorn/unicorn_ | 132 ++++++++++++++++++++-------------------
 1 file changed, 69 insertions(+), 63 deletions(-)

diff --git a/plugins/unicorn/unicorn_ b/plugins/unicorn/unicorn_
index 74a7e30a..f54cfb3e 100644
--- a/plugins/unicorn/unicorn_
+++ b/plugins/unicorn/unicorn_
@@ -1,63 +1,69 @@
-#!/bin/bash
-# Copyright (c) 2013 Gareth Davies (shaolintiger@gmail.com www.shaolintiger.com)
-# License GPLv2
-
-mode=`echo $0 | cut -d _ -f 2`
-
-if [ "$1" = "suggest" ]; then
-        echo "memory"
-        echo "processes"
-        echo "average"
-        exit 0
-fi
-
-if [ "$mode" = "memory" ]; then
-        if [ "$1" = "config" ]; then
-                echo "graph_title Total Unicorn Memory"
-                echo "graph_vlabel Total RAM"
-                echo "graph_category Unicorn"
-                echo "graph_args --base 1024"
-                echo "ram.label Total RAM"
-                exit 0
-        else
-
-        memory_array=(`ps auwx | grep "unicorn worker" | grep -v grep | awk '{print $6 }'`)
-
-        for i in "${memory_array[@]}"
-            do
-                 sum=$(( $sum + ( $i * 1024) ))
-        done
-                 echo -n "ram.value "
-                 echo $sum
-
-        fi
-
-elif [ "$mode" = "processes" ]; then
-        if [ "$1" = "config" ]; then
-                echo "graph_title Unicorn Processes"
-                echo "graph_vlabel Processes"
-                echo "graph_category Unicorn"
-                echo "processes.label active processes"
-        else
-                echo -n "processes.value "
-                ps awwwux | grep 'unicorn worker' | grep -v grep | wc -l
-                exit 0
-        fi
-
-elif [ "$mode" = "average" ]; then
-        if [ "$1" = "config" ]; then
-        echo 'graph_title Unicorn Average Process Size'
-        echo 'graph_args --base 1024 -l 0 '
-        echo 'graph_vlabel Average Process Size'
-        echo 'graph_category Unicorn'
-        echo 'unicorn_average.label Average Process Size'
-        echo 'unicorn_average.draw LINE2'
-        echo 'unicorn_average.info The average process size for Unicorn'
-        else
-                echo -n "unicorn_average.value "
-                ps awwwux | grep 'unicorn worker' | grep -v grep | grep -v master | awk '{total_mem = $6 * 1024 + total_mem; total_proc++} END{printf("%d\n", total_mem / total_proc)}'
-                exit 0
-        fi
-
-fi
-exit 0
+#!/bin/bash
+# Copyright (c) 2013 Gareth Davies (shaolintiger@gmail.com www.shaolintiger.com)
+# License GPLv2
+# This plugin monitors number of workers, total memory used and average memory per process for Unicorn.
+# Here are the symlinks to enable it 
+#
+#        ln -s /usr/share/munin/plugins/unicorn_ /etc/munin/plugins/unicorn_average
+#        ln -s /usr/share/munin/plugins/unicorn_ /etc/munin/plugins/unicorn_memory
+#        ln -s /usr/share/munin/plugins/unicorn_ /etc/munin/plugins/unicorn_processes
+
+mode=`echo $0 | cut -d _ -f 2`
+
+if [ "$1" = "suggest" ]; then
+        echo "memory"
+        echo "processes"
+        echo "average"
+        exit 0
+fi
+
+if [ "$mode" = "memory" ]; then
+        if [ "$1" = "config" ]; then
+                echo "graph_title Total Unicorn Memory"
+                echo "graph_vlabel Total RAM"
+                echo "graph_category Unicorn"
+                echo "graph_args --base 1024"
+                echo "ram.label Total RAM"
+                exit 0
+        else
+
+        memory_array=(`ps auwx | grep "unicorn worker" | grep -v grep | awk '{print $6 }'`)
+
+        for i in "${memory_array[@]}"
+            do
+                 sum=$(( $sum + ( $i * 1024) ))
+        done
+                 echo -n "ram.value "
+                 echo $sum
+
+        fi
+
+elif [ "$mode" = "processes" ]; then
+        if [ "$1" = "config" ]; then
+                echo "graph_title Unicorn Processes"
+                echo "graph_vlabel Processes"
+                echo "graph_category Unicorn"
+                echo "processes.label active processes"
+        else
+                echo -n "processes.value "
+                ps awwwux | grep 'unicorn worker' | grep -v grep | wc -l
+                exit 0
+        fi
+
+elif [ "$mode" = "average" ]; then
+        if [ "$1" = "config" ]; then
+        echo 'graph_title Unicorn Average Process Size'
+        echo 'graph_args --base 1024 -l 0 '
+        echo 'graph_vlabel Average Process Size'
+        echo 'graph_category Unicorn'
+        echo 'unicorn_average.label Average Process Size'
+        echo 'unicorn_average.draw LINE2'
+        echo 'unicorn_average.info The average process size for Unicorn'
+        else
+                echo -n "unicorn_average.value "
+                ps awwwux | grep 'unicorn worker' | grep -v grep | grep -v master | awk '{total_mem = $6 * 1024 + total_mem; total_proc++} END{printf("%d\n", total_mem / total_proc)}'
+                exit 0
+        fi
+
+fi
+exit 0