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Diffstat (limited to 'charts.d/nut.chart.sh')
| -rwxr-xr-x | charts.d/nut.chart.sh | 187 |
1 files changed, 187 insertions, 0 deletions
diff --git a/charts.d/nut.chart.sh b/charts.d/nut.chart.sh new file mode 100755 index 00000000..343c6d9c --- /dev/null +++ b/charts.d/nut.chart.sh @@ -0,0 +1,187 @@ +#!/bin/bash + +# a space separated list of UPS names +# if empty, the list returned by 'upsc -l' will be used +nut_ups= + +# 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() { + timeout $nut_timeout upsc -l +} + +nut_get() { + timeout $nut_timeout upsc "$1" +} + +nut_check() { + + # this should return: + # - 0 to enable the chart + # - 1 to disable the chart + + local x + + require_cmd upsc || return 1 + + [ -z "$nut_ups" ] && nut_ups="$( nut_get_all )" + + for x in $nut_ups + do + nut_get "$x" >/dev/null + if [ $? -eq 0 ] + then + nut_ids[$x]="$( fixid "$x" )" + continue + fi + echo >&2 "nut: ERROR: Cannot get information for NUT UPS '$x'." + done + + if [ ${#nut_ids[@]} -eq 0 ] + then + echo >&2 "nut: Please set nut_ups='ups_name' in $confd/nut.conf" + return 1 + fi + + return 0 +} + +nut_create() { + # create the charts + local x + + for x in "${nut_ids[@]}" + do + cat <<EOF +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" 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" 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" 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" 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" 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" ups nut.load area $[nut_priority] $nut_update_every +DIMENSION load load absolute 1 100 + +CHART nut_$x.temp '' "UPS Temperature" "temperature" ups nut.temperature line $[nut_priority + 7] $nut_update_every +DIMENSION temp temp absolute 1 100 +EOF + done + + return 0 +} + + +nut_update() { + # the first argument to this function is the microseconds since last update + # pass this parameter to the BEGIN statement (see bellow). + + # do all the work to collect / calculate the values + # for each dimension + # remember: KEEP IT SIMPLE AND SHORT + + local i x + for i in "${!nut_ids[@]}" + do + x="${nut_ids[$i]}" + nut_get "$i" | awk " +BEGIN { + battery_charge = 0; + battery_voltage = 0; + battery_voltage_high = 0; + battery_voltage_low = 0; + battery_voltage_nominal = 0; + input_voltage = 0; + input_voltage_fault = 0; + input_voltage_nominal = 0; + input_current_nominal = 0; + input_frequency = 0; + input_frequency_nominal = 0; + output_voltage = 0; + load = 0; + temp = 0; +} +/^battery.charge: .*/ { battery_charge = \$2 * 100 }; +/^battery.voltage: .*/ { battery_voltage = \$2 * 100 }; +/^battery.voltage.high: .*/ { battery_voltage_high = \$2 * 100 }; +/^battery.voltage.low: .*/ { battery_voltage_low = \$2 * 100 }; +/^battery.voltage.nominal: .*/ { battery_voltage_nominal = \$2 * 100 }; +/^input.voltage: .*/ { input_voltage = \$2 * 100 }; +/^input.voltage.fault: .*/ { input_voltage_fault = \$2 * 100 }; +/^input.voltage.nominal: .*/ { input_voltage_nominal = \$2 * 100 }; +/^input.current.nominal: .*/ { input_current_nominal = \$2 * 100 }; +/^input.frequency: .*/ { input_frequency = \$2 * 100 }; +/^input.frequency.nominal: .*/ { input_frequency_nominal = \$2 * 100 }; +/^output.voltage: .*/ { output_voltage = \$2 * 100 }; +/^ups.load: .*/ { load = \$2 * 100 }; +/^ups.temperature: .*/ { temp = \$2 * 100 }; +END { + print \"BEGIN nut_$x.charge $1\"; + print \"SET battery_charge = \" battery_charge; + print \"END\" + + print \"BEGIN nut_$x.battery_voltage $1\"; + print \"SET battery_voltage = \" battery_voltage; + print \"SET battery_voltage_high = \" battery_voltage_high; + print \"SET battery_voltage_low = \" battery_voltage_low; + print \"SET battery_voltage_nominal = \" battery_voltage_nominal; + print \"END\" + + print \"BEGIN nut_$x.input_voltage $1\"; + print \"SET input_voltage = \" input_voltage; + print \"SET input_voltage_fault = \" input_voltage_fault; + print \"SET input_voltage_nominal = \" input_voltage_nominal; + print \"END\" + + print \"BEGIN nut_$x.input_current $1\"; + print \"SET input_current_nominal = \" input_current_nominal; + print \"END\" + + print \"BEGIN nut_$x.input_frequency $1\"; + print \"SET input_frequency = \" input_frequency; + print \"SET input_frequency_nominal = \" input_frequency_nominal; + print \"END\" + + print \"BEGIN nut_$x.output_voltage $1\"; + print \"SET output_voltage = \" output_voltage; + print \"END\" + + print \"BEGIN nut_$x.load $1\"; + print \"SET load = \" load; + print \"END\" + + print \"BEGIN nut_$x.temp $1\"; + print \"SET temp = \" temp; + print \"END\" +}" + [ $? -ne 0 ] && unset nut_ids[$i] && echo >&2 "nut: failed to get values for '$i', disabling it." + done + + [ ${#nut_ids[@]} -eq 0 ] && echo >&2 "nut: no UPSes left active." && return 1 + return 0 +} |