Merge pull request #18 from renard/lvm-fix

Fix lvdisplay path on some hosts.

plugins/other/lvm_snap_used

@@ -14,16 +14,18 @@
 #%# capabilities=autoconf
 # 
 # 2011/05/20 - pmoranga - initial version
+#
+# 2012/01/27 - Sébastien Gross
+#            - Fix lvdisplay path
+
+lvdisplay=$(which lvdisplay)
 
 if [ "$1" = "autoconf" ]; then
-        /usr/sbin/lvdisplay 2>/dev/null >/dev/null
-        if [ $? -eq 0 ]
-        then
+    if test -n "${lvdisplay}"; then
         echo yes
         exit 0
-        else
-                echo "no lvdisplay found"
     fi
+    echo "no lvdisplay found"
     exit 1
 fi
 
@@ -34,9 +36,9 @@ if [ "$1" = "config" ]; then
 	echo 'graph_vlabel %'
 	echo 'graph_category disk'
 	echo 'graph_args --base 100'
-        /usr/sbin/lvdisplay -C | awk '$3 ~ /^s/{print $1".label "$1" snapshot of "$5} '
+         ${lvdisplay} -C | awk '$3 ~ /^s/{print $1".label "$1" snapshot of "$5} '
 	exit 0
 fi
 
 
-/usr/sbin/lvdisplay -C | awk '$3 ~ /^s/{print $1".value",int($6)} '
+${lvdisplay} -C | awk '$3 ~ /^s/{print $1".value",int($6)} '