- have some dirs

plugins/disk/xfs_frag

@@ -0,0 +1,67 @@
+#!/bin/bash
+
+: <<=cut
+=head1 NAME
+
+xfs_frag - Munin plugin to monitor the fragmentation level on your XFS filesystems
+
+=head1 APPLICABLE SYSTEMS
+
+Any machine with an XFS file system.
+
+=head1 CONFIGURATION
+
+None, generally, but you may want to run as root and set a timeout.
+
+  [xfs_frag]
+  user root
+  timeout 90
+
+=head1 MAGIC MARKERS
+
+  #%# family=auto contrib
+  #%# capabilities=
+
+=head1 VERSION
+
+1
+
+=head1 AUTHOR
+
+Paul Saunders L<darac+munin@darac.org.uk>
+
+=cut
+
+declare -a ARRY
+shopt -s nocasematch
+
+case $1 in
+	config)
+		cat <<'EOF'	
+graph_title XFS fragmentation
+graph_vlabel Percent
+graph_category disk
+EOF
+		cat /etc/mtab | awk '{print $2 " " $3}' | while read LINE
+		do
+			ARRY=($LINE)
+			if [[ ${ARRY[1]} =~ xfs ]]; then
+				FIELDNAME=$(echo ${ARRY[0]} | sed 's/^[^A-Za-z_]/_/; s/[^A-Za-z0-9_]/_/g')
+				echo "$FIELDNAME.label ${ARRY[0]}"
+				echo "$FIELDNAME.type GAUGE"
+			fi
+		done
+		exit 0
+		;;
+esac
+
+cat /etc/mtab | awk '{print $2 " " $3 " " $1}' | while read LINE
+do
+	ARRY=($LINE)
+	if [[ ${ARRY[1]} =~ xfs ]]; then
+		FIELDNAME=$(echo ${ARRY[0]} | sed 's/^[^A-Za-z_]/_/; s/[^A-Za-z0-9_]/_/g')
+		FRAG=$(xfs_db -c frag -r ${ARRY[2]} | sed 's/.*fragmentation factor \(.*\)%.*/\1/')
+		echo $FIELDNAME.value $FRAG
+	fi
+done
+