added voltage and fan sensors

diff --git a/charts.d/sensors.chart.sh b/charts.d/sensors.chart.sh
new file mode 100755 (executable)
index 0000000..7e13851
--- /dev/null
+++ b/charts.d/sensors.chart.sh
@@ -0,0 +1,138 @@
+#!/bin/sh
+
+# if this chart is called X.chart.sh, then all functions and global variables
+# must start with X_
+
+# _update_every is a special variable - it holds the number of seconds
+# between the calls of the _update() function
+sensors_update_every=
+
+sensors_find_all_files() {
+       find $1 -name temp\?_input -o -name temp -o -name in\?_input -o -name fan\?_input 2>/dev/null
+}
+
+sensors_find_all_dirs() {
+       sensors_find_all_files $1 | while read
+       do
+               dirname $REPLY
+       done | sort -u
+}
+
+# _check is called once, to find out if this chart should be enabled or not
+sensors_check() {
+
+       # this should return:
+       #  - 0 to enable the chart
+       #  - 1 to disable the chart
+
+       [ ! -z "$( sensors_find_all_files /sys/devices/ )" ] && return 0
+       return 1
+}
+
+# _create is called once, to create the charts
+sensors_create() {
+       local path= dir= name= x= file= lfile= labelname= labelid= device= subsystem= id= type= mode= files= multiplier= divisor=
+
+       echo >$TMP_DIR/temp.sh "sensors_update() {"
+
+       for path in $( sensors_find_all_dirs /sys/devices/ | sort -u )
+       do
+               dir=$( basename $path )
+               device=
+               subsystem=
+               id=
+               type=
+               name=
+
+               [ -h $path/device ] && device=$( readlink -f $path/device )
+               [ ! -z "$device" ] && device=$( basename $device )
+               [ -z "$device" ] && device="$dir"
+
+               [ -h $path/subsystem ] && subsystem=$( readlink -f $path/subsystem )
+               [ ! -z "$subsystem" ] && subsystem=$( basename $subsystem )
+               [ -z "$subsystem" ] && subsystem="$dir"
+
+               [ -f $path/name ] && name=$( cat $path/name )
+               [ -z "$name" ] && name="$dir"
+
+               [ -f $path/type ] && type=$( cat $path/type )
+               [ -z "$type" ] && type="$dir"
+
+               id="$( fixid "$device.$subsystem.$dir" )"
+
+               echo >&2 "charts.d: temperature sensors on path='$path', dir='$dir', device='$device', subsystem='$subsystem', id='$id', name='$name'"
+
+               for mode in temperature voltage fans
+               do
+                       files=
+                       multiplier=1
+                       divisor=1
+                       case $mode in
+                               temperature)
+                                       files="$( find $path -name temp\?_input -o -name temp | sort -u)"
+                                       [ -z "$files" ] && continue
+                                       echo "CHART sensors.temp_${id} '' '${name} Temperature' 'Temperature' 'Celcius Degrees' '' line 6000 $sensors_update_every"
+                                       echo >>$TMP_DIR/temp.sh "echo \"BEGIN sensors.temp_${id} \$1\""
+                                       divisor=1000
+                                       ;;
+
+                               voltage)
+                                       files="$( find $path -name in\?_input )"
+                                       [ -z "$files" ] && continue
+                                       echo "CHART sensors.volt_${id} '' '${name} Voltage' 'Voltage' 'Volts' '' line 6001 $sensors_update_every"
+                                       echo >>$TMP_DIR/temp.sh "echo \"BEGIN sensors.volt_${id} \$1\""
+                                       divisor=1000
+                                       ;;
+
+                               fans)
+                                       files="$( find $path -name fan\?_input )"
+                                       [ -z "$files" ] && continue
+                                       echo "CHART sensors.fan_${id} '' '${name} Fans Speed' 'Fans' 'Rotations Per Minute (RPM)' '' line 6002 $sensors_update_every"
+                                       echo >>$TMP_DIR/temp.sh "echo \"BEGIN sensors.fan_${id} \$1\""
+                                       ;;
+
+                               *)
+                                       continue
+                                       ;;
+                       esac
+
+                       for x in $files
+                       do
+                               file="$x"
+                               fid="$( fixid "$file" )"
+                               lfile="$( basename $file | sed "s|_input$|_label|g" )"
+                               labelname="$( basename $file )"
+
+                               if [ ! "$path/$lfile" = "$file" -a -f "$path/$lfile" ]
+                                       then
+                                       labelname="$( cat "$path/$lfile" )"
+                               fi
+
+                               echo "DIMENSION $fid '$labelname' absolute $multiplier $divisor"
+                               echo >>$TMP_DIR/temp.sh "printf \"SET $fid = \"; cat $file "
+                       done
+
+                       echo >>$TMP_DIR/temp.sh "echo END"
+               done
+       done
+
+       echo >>$TMP_DIR/temp.sh "}"
+       . $TMP_DIR/temp.sh
+
+       return 0
+}
+
+# _update is called continiously, to collect the values
+sensors_update() {
+       # the first argument to this function is the microseconds since last update
+       # pass this parameter to the BEGIN statement (see bellow).
+
+       # do all the work to collect / calculate the values
+       # for each dimension
+       # remember: KEEP IT SIMPLE AND SHORT
+
+#      . $TMP_DIR/temp.sh $1
+
+       return 0
+}
+