Imported Upstream version 1.0.0upstream/1.0.0

1 files changed, 238 insertions, 0 deletions

diff --git a/charts.d/sensors.chart.sh b/charts.d/sensors.chart.sh
new file mode 100755
index 00000000..d14ddf0d
--- /dev/null
+++ b/charts.d/sensors.chart.sh
@@ -0,0 +1,238 @@
+#!/bin/sh
+
+# sensors docs
+# https://www.kernel.org/doc/Documentation/hwmon/sysfs-interface
+
+# if this chart is called X.chart.sh, then all functions and global variables
+# must start with X_
+
+# the directory the kernel keeps sensor data
+sensors_sys_dir="${NETDATA_HOST_PREFIX}/sys/devices"
+
+# how deep in the tree to check for sensor data
+sensors_sys_depth=10
+
+# if set to 1, the script will overwrite internal
+# script functions with code generated ones
+# leave to 1, is faster
+sensors_source_update=1
+
+# how frequently to collect sensor data
+# the default is to collect it at every iteration of charts.d
+sensors_update_every=
+
+sensors_priority=90000
+
+sensors_find_all_files() {
+	find $1 -maxdepth $sensors_sys_depth -name \*_input -o -name temp 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 $sensors_sys_dir )" ] && echo >&2 "$PROGRAM_NAME: sensors: no sensors found in '$sensors_sys_dir'." && return 1
+	return 0
+}
+
+sensors_check_files() {
+	# we only need sensors that report a non-zero value
+
+	local f= v=
+	for f in $*
+	do
+		[ ! -f "$f" ] && continue
+
+		v="$( cat $f )"
+		v=$(( v + 1 - 1 ))
+		[ $v -ne 0 ] && echo "$f" && continue
+
+		echo >&2 "$PROGRAM_NAME: sensors: $f gives zero values"
+	done
+}
+
+sensors_check_temp_type() {
+	# valid temp types are 1 to 6
+	# disabled sensors have the value 0
+
+	local f= t= v=
+	for f in $*
+	do
+		t=$( echo $f | sed "s|_input$|_type|g" )
+		[ "$f" = "$t" ] && echo "$f" && continue
+		[ ! -f "$t" ] && echo "$f" && continue
+
+		v="$( cat $t )"
+		v=$(( v + 1 - 1 ))
+		[ $v -ne 0 ] && echo "$f" && continue
+
+		echo >&2 "$PROGRAM_NAME: sensors: $f is disabled"
+	done
+}
+
+# _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=
+
+	# we create a script with the source of the
+	# sensors_update() function
+	# - the highest speed we can achieve -
+	[ $sensors_source_update -eq 1 ] && echo >$TMP_DIR/sensors.sh "sensors_update() {"
+
+	for path in $( sensors_find_all_dirs $sensors_sys_dir | sort -u )
+	do
+		dir=$( 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.$dir" )"
+
+		echo >&2 "charts.d: sensors: on path='$path', dir='$dir', device='$device', subsystem='$subsystem', id='$id', name='$name'"
+
+		for mode in temperature voltage fans power current energy humidity
+		do
+			files=
+			multiplier=1
+			divisor=1
+			algorithm="absolute"
+
+			case $mode in
+				temperature)
+					files="$( ls $path/temp*_input 2>/dev/null; ls $path/temp 2>/dev/null )"
+					files="$( sensors_check_files $files )"
+					files="$( sensors_check_temp_type $files )"
+					[ -z "$files" ] && continue
+					echo "CHART sensors.temp_$id '' '$name Temperature' 'Celcius' 'temperature' 'sensors.temp' line $[sensors_priority + 1] $sensors_update_every"
+					echo >>$TMP_DIR/sensors.sh "echo \"BEGIN sensors.temp_$id \$1\""
+					divisor=1000
+					;;
+
+				voltage)
+					files="$( ls $path/in*_input 2>/dev/null )"
+					files="$( sensors_check_files $files )"
+					[ -z "$files" ] && continue
+					echo "CHART sensors.volt_$id '' '$name Voltage' 'Volts' 'voltage' 'sensors.volt' line $[sensors_priority + 2] $sensors_update_every"
+					echo >>$TMP_DIR/sensors.sh "echo \"BEGIN sensors.volt_$id \$1\""
+					divisor=1000
+					;;
+
+				current)
+					files="$( ls $path/curr*_input 2>/dev/null )"
+					files="$( sensors_check_files $files )"
+					[ -z "$files" ] && continue
+					echo "CHART sensors.curr_$id '' '$name Current' 'Ampere' 'current' 'sensors.curr' line $[sensors_priority + 3] $sensors_update_every"
+					echo >>$TMP_DIR/sensors.sh "echo \"BEGIN sensors.curr_$id \$1\""
+					divisor=1000
+					;;
+
+				power)
+					files="$( ls $path/power*_input 2>/dev/null )"
+					files="$( sensors_check_files $files )"
+					[ -z "$files" ] && continue
+					echo "CHART sensors.power_$id '' '$name Power' 'Watt' 'power' 'sensors.power' line $[sensors_priority + 4] $sensors_update_every"
+					echo >>$TMP_DIR/sensors.sh "echo \"BEGIN sensors.power_$id \$1\""
+					divisor=1000000
+					;;
+
+				fans)
+					files="$( ls $path/fan*_input 2>/dev/null )"
+					files="$( sensors_check_files $files )"
+					[ -z "$files" ] && continue
+					echo "CHART sensors.fan_$id '' '$name Fans Speed' 'Rotations / Minute' 'fans' 'sensors.fans' line $[sensors_priority + 5] $sensors_update_every"
+					echo >>$TMP_DIR/sensors.sh "echo \"BEGIN sensors.fan_$id \$1\""
+					;;
+
+				energy)
+					files="$( ls $path/energy*_input 2>/dev/null )"
+					files="$( sensors_check_files $files )"
+					[ -z "$files" ] && continue
+					echo "CHART sensors.energy_$id '' '$name Energy' 'Joule' 'energy' 'sensors.energy' areastack $[sensors_priority + 6] $sensors_update_every"
+					echo >>$TMP_DIR/sensors.sh "echo \"BEGIN sensors.energy_$id \$1\""
+					algorithm="incremental"
+					divisor=1000000
+					;;
+
+				humidity)
+					files="$( ls $path/humidity*_input 2>/dev/null )"
+					files="$( sensors_check_files $files )"
+					[ -z "$files" ] && continue
+					echo "CHART sensors.humidity_$id '' '$name Humidity' 'Percent' 'humidity' 'sensors.humidity' line $[sensors_priority + 7] $sensors_update_every"
+					echo >>$TMP_DIR/sensors.sh "echo \"BEGIN sensors.humidity_$id \$1\""
+					divisor=1000
+					;;
+
+				*)
+					continue
+					;;
+			esac
+
+			for x in $files
+			do
+				file="$x"
+				fid="$( fixid "$file" )"
+				lfile="$( basename $file | sed "s|_input$|_label|g" )"
+				labelname="$( basename $file | sed "s|_input$||g" )"
+
+				if [ ! "$path/$lfile" = "$file" -a -f "$path/$lfile" ]
+					then
+					labelname="$( cat "$path/$lfile" )"
+				fi
+
+				echo "DIMENSION $fid '$labelname' $algorithm $multiplier $divisor"
+				echo >>$TMP_DIR/sensors.sh "printf \"SET $fid = \"; cat $file "
+			done
+
+			echo >>$TMP_DIR/sensors.sh "echo END"
+		done
+	done
+
+	[ $sensors_source_update -eq 1 ] && echo >>$TMP_DIR/sensors.sh "}"
+	# cat >&2 $TMP_DIR/sensors.sh
+
+	# ok, load the function sensors_update() we created
+	[ $sensors_source_update -eq 1 ] && . $TMP_DIR/sensors.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
+
+	[ $sensors_source_update -eq 0 ] && . $TMP_DIR/sensors.sh $1
+
+	return 0
+}
+