Merge pull request #511 from paulfantom/master

monitor disk temperatures

diff --git a/charts.d/hddtemp.chart.sh b/charts.d/hddtemp.chart.sh
new file mode 100755 (executable)
index 0000000..fea9f80
--- /dev/null
+++ b/charts.d/hddtemp.chart.sh
@@ -0,0 +1,66 @@
+#!/bin/bash
+
+# if this chart is called X.chart.sh, then all functions and global variables
+# must start with X_
+hddtemp_host="localhost"
+hddtemp_port="7634"
+declare -A hddtemp_disks=()
+
+# _update_every is a special variable - it holds the number of seconds
+# between the calls of the _update() function
+hddtemp_update_every=3
+hddtemp_priority=90000
+
+# _check is called once, to find out if this chart should be enabled or not
+hddtemp_check() {
+       nc $hddtemp_host $hddtemp_port &>/dev/null && return 0 || return 1
+}
+
+# _create is called once, to create the charts
+hddtemp_create() {
+       if [ ${#hddtemp_disks[@]} -eq 0 ]; then
+               local all
+               all=$(nc $hddtemp_host $hddtemp_port )
+               unset hddtemp_disks
+               hddtemp_disks=( `grep -Po '/dev/[^|]+' <<< "$all" | cut -c 6-` )
+       fi
+#      local disk_names
+#      disk_names=(`sed -e 's/||/\n/g;s/^|//' <<< "$all" | cut -d '|' -f2 | tr ' ' '_'`)
+
+       echo "CHART hddtemp.temperature 'disks_temp' 'temperature' 'Celsius' 'Disks temperature' 'hddtemp.temp' line $((hddtemp_priority)) $hddtemp_update_every"
+       for i in `seq 0 $((${#hddtemp_disks[@]}-1))`; do
+#              echo "DIMENSION ${hddtemp_disks[i]} ${disk_names[i]} absolute 1 1"
+               echo "DIMENSION ${hddtemp_disks[$i]} '' absolute 1 1"
+       done
+       return 0
+}
+
+# _update is called continiously, to collect the values
+hddtemp_last=0
+hddtemp_count=0
+hddtemp_update() {
+#        local all=( `nc $hddtemp_host $hddtemp_port | sed -e 's/||/\n/g;s/^|//' | cut -d '|' -f3` )
+#      local all=( `nc $hddtemp_host $hddtemp_port | awk 'BEGIN { FS="|" };{i=4; while (i <= NF) {print $i+0;i+=5;};}'` )
+       OLD_IFS=$IFS
+       set -f
+       IFS="|" all=( $(nc $hddtemp_host $hddtemp_port 2>/dev/null) )
+       set +f
+       IFS=$OLD_IFS
+
+       # check if there is some data
+       if [ -z "${all[3]}" ]; then 
+               return 1
+       fi
+
+       # write the result of the work.
+       echo "BEGIN hddtemp.temperature $1"
+       end=${#hddtemp_disks[@]}
+       for ((i=0; i<end; i++)); do
+               # temperature - this will turn SLP to zero
+                t=$(( ${all[ $((i * 5 + 3)) ]} ))
+               echo "SET ${hddtemp_disks[$i]} = $t"
+       done
+       echo "END"
+
+       return 0
+}