NUT UPS Monitor

1 files changed, 142 insertions, 0 deletions

diff --git a/charts.d/nut.chart.sh b/charts.d/nut.chart.sh
new file mode 100755
index 0000000000..551ee4074b
--- /dev/null
+++ b/charts.d/nut.chart.sh
@@ -0,0 +1,142 @@
+#!/bin/sh
+
+nut_ups=
+nut_update_every=2
+
+nut_check() {
+	if [ -z "${nut_ups}" ]
+		then
+		echo >&2 "nut: Please set nut_ups='ups_name' in $confd/nut.conf"
+		return 1
+	fi
+
+	upsc "${nut_ups}" >/dev/null
+	if [ ! $? -eq 0 ]
+	then
+		echo >&2 "nut: failed to fetch info for ups '$nut_ups'. Please set nut_ups='ups_name' in $confd/nut.conf"
+		return 1
+	fi
+
+	return 0
+}
+
+nut_create() {
+	# create the charts
+	cat <<EOF
+CHART nut.charge '' "UPS Charge" "percentage" nut '' area 21001 $nut_update_every
+DIMENSION battery_charge charge absolute 1 100
+
+CHART nut.battery_voltage '' "UPS Battery Voltage" "Volts" nut '' line 21002 $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.input_voltage '' "UPS Input Voltage" "Volts" nut '' line 21003 $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.input_current '' "UPS Input Current" "Ampere" nut '' line 21004 $nut_update_every
+DIMENSION input_current_nominal nominal absolute 1 100
+
+CHART nut.input_frequency '' "UPS Input Frequency" "Hz" nut '' line 21005 $nut_update_every
+DIMENSION input_frequency frequency absolute 1 100
+DIMENSION input_frequency_nominal nominal absolute 1 100
+
+CHART nut.output_voltage '' "UPS Output Voltage" "Volts" nut '' line 21006 $nut_update_every
+DIMENSION output_voltage voltage absolute 1 100
+
+CHART nut.load '' "UPS Load" "percentage" nut '' area 21000 $nut_update_every
+DIMENSION load load absolute 1 100
+
+CHART nut.temp '' "UPS Temperature" "temperature" nut '' line 21007 $nut_update_every
+DIMENSION temp temp absolute 1 100
+EOF
+	
+	return 0
+}
+
+
+nut_update() {
+	# the first argument to this function is the microseconds since last update
+	# pass this parameter to the BEGIN statement (see bellow).
+
+	# do all the work to collect / calculate the values
+	# for each dimension
+	# remember: KEEP IT SIMPLE AND SHORT
+
+	upsc "${nut_ups}" | 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.charge $1\";
+	print \"SET battery_charge = \" battery_charge;
+	print \"END\"
+
+	print \"BEGIN nut.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.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.input_current $1\";
+	print \"SET input_current_nominal = \" input_current_nominal;
+	print \"END\"
+
+	print \"BEGIN nut.input_frequency $1\";
+	print \"SET input_frequency = \" input_frequency;
+	print \"SET input_frequency_nominal = \" input_frequency_nominal;
+	print \"END\"
+
+	print \"BEGIN nut.output_voltage $1\";
+	print \"SET output_voltage = \" output_voltage;
+	print \"END\"
+
+	print \"BEGIN nut.load $1\";
+	print \"SET load = \" load;
+	print \"END\"
+
+	print \"BEGIN nut.temp $1\";
+	print \"SET temp = \" temp;
+	print \"END\"
+}
+"
+	return 0
+}
+