-#!/bin/sh
+# no need for shebang - this file is loaded from charts.d.plugin
+
+# netdata
+# real-time performance and health monitoring, done right!
+# (C) 2016 Costa Tsaousis <costa@tsaousis.gr>
+# GPL v3+
+#
# a space separated list of UPS names
# if empty, the list returned by 'upsc -l' will be used
# how frequently to collect UPS data
nut_update_every=2
+nut_timeout=2
+
+# the priority of nut related to other charts
+nut_priority=90000
+
+declare -A nut_ids=()
+
+nut_get_all() {
+ run -t $nut_timeout upsc -l
+}
+
+nut_get() {
+ run -t $nut_timeout upsc "$1"
+}
+
nut_check() {
- local x all
+
+ # this should return:
+ # - 0 to enable the chart
+ # - 1 to disable the chart
+
+ local x
require_cmd upsc || return 1
- require_cmd awk || return 1
- all="$nut_ups"
- [ -z "$all" ] && all="$(upsc -l)"
+ [ -z "$nut_ups" ] && nut_ups="$( nut_get_all )"
- nut_ups=
- for x in $all
+ for x in $nut_ups
do
- upsc "$x" >/dev/null
- [ $? -eq 0 ] && nut_ups="$nut_ups $x" && continue
- echo >&2 "nut: ERROR: Cannot get information for NUT UPS '$x'."
+ nut_get "$x" >/dev/null
+ if [ $? -eq 0 ]
+ then
+ nut_ids[$x]="$( fixid "$x" )"
+ continue
+ fi
+ error "cannot get information for NUT UPS '$x'."
done
- if [ -z "$nut_ups" ]
+ if [ ${#nut_ids[@]} -eq 0 ]
then
- echo >&2 "nut: Please set nut_ups='ups_name' in $confd/nut.conf"
+ error "Cannot find UPSes - please set nut_ups='ups_name' in $confd/nut.conf"
return 1
fi
# create the charts
local x
- for x in $nut_ups
+ for x in "${nut_ids[@]}"
do
cat <<EOF
-CHART nut_$x.charge '' "UPS Charge" "percentage" $x nut area 21001 $nut_update_every
+CHART nut_$x.charge '' "UPS Charge" "percentage" ups nut.charge area $((nut_priority + 1)) $nut_update_every
DIMENSION battery_charge charge absolute 1 100
-CHART nut_$x.battery_voltage '' "UPS Battery Voltage" "Volts" $x nut line 21002 $nut_update_every
+CHART nut_$x.battery_voltage '' "UPS Battery Voltage" "Volts" ups nut.battery.voltage line $((nut_priority + 2)) $nut_update_every
DIMENSION battery_voltage voltage absolute 1 100
DIMENSION battery_voltage_high high absolute 1 100
DIMENSION battery_voltage_low low absolute 1 100
DIMENSION battery_voltage_nominal nominal absolute 1 100
-CHART nut_$x.input_voltage '' "UPS Input Voltage" "Volts" $x nut line 21003 $nut_update_every
+CHART nut_$x.input_voltage '' "UPS Input Voltage" "Volts" input nut.input.voltage line $((nut_priority + 3)) $nut_update_every
DIMENSION input_voltage voltage absolute 1 100
DIMENSION input_voltage_fault fault absolute 1 100
DIMENSION input_voltage_nominal nominal absolute 1 100
-CHART nut_$x.input_current '' "UPS Input Current" "Ampere" $x nut line 21004 $nut_update_every
+CHART nut_$x.input_current '' "UPS Input Current" "Ampere" input nut.input.current line $((nut_priority + 4)) $nut_update_every
DIMENSION input_current_nominal nominal absolute 1 100
-CHART nut_$x.input_frequency '' "UPS Input Frequency" "Hz" $x nut line 21005 $nut_update_every
+CHART nut_$x.input_frequency '' "UPS Input Frequency" "Hz" input nut.input.frequency line $((nut_priority + 5)) $nut_update_every
DIMENSION input_frequency frequency absolute 1 100
DIMENSION input_frequency_nominal nominal absolute 1 100
-CHART nut_$x.output_voltage '' "UPS Output Voltage" "Volts" $x nut line 21006 $nut_update_every
+CHART nut_$x.output_voltage '' "UPS Output Voltage" "Volts" output nut.output.voltage line $((nut_priority + 6)) $nut_update_every
DIMENSION output_voltage voltage absolute 1 100
-CHART nut_$x.load '' "UPS Load" "percentage" $x nut area 21000 $nut_update_every
+CHART nut_$x.load '' "UPS Load" "percentage" ups nut.load area $((nut_priority)) $nut_update_every
DIMENSION load load absolute 1 100
-CHART nut_$x.temp '' "UPS Temperature" "temperature" $x nut line 21007 $nut_update_every
+CHART nut_$x.temp '' "UPS Temperature" "temperature" ups nut.temperature line $((nut_priority + 7)) $nut_update_every
DIMENSION temp temp absolute 1 100
EOF
done
# for each dimension
# remember: KEEP IT SIMPLE AND SHORT
- local x
-
- for x in $nut_ups
+ local i x
+ for i in "${!nut_ids[@]}"
do
- upsc "$x" | awk "
+ x="${nut_ids[$i]}"
+ nut_get "$i" | awk "
BEGIN {
battery_charge = 0;
battery_voltage = 0;
print \"BEGIN nut_$x.temp $1\";
print \"SET temp = \" temp;
print \"END\"
-}
-"
+}"
+ [ $? -ne 0 ] && unset nut_ids[$i] && error "failed to get values for '$i', disabling it."
done
-
+
+ [ ${#nut_ids[@]} -eq 0 ] && error "no UPSes left active." && return 1
return 0
}
-