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Viewing file:     apcupsd.chart.sh (6.82 KB)      -rwxr-xr-x

# shellcheck shell=bash
# no need for shebang - this file is loaded from charts.d.plugin
# SPDX-License-Identifier: GPL-3.0-or-later

# netdata
# real-time performance and health monitoring, done right!
# (C) 2016 Costa Tsaousis <costa@tsaousis.gr>
#

apcupsd_ip=
apcupsd_port=

declare -A apcupsd_sources=(
  ["local"]="127.0.0.1:3551"
)

# how frequently to collect UPS data
apcupsd_update_every=10

apcupsd_timeout=3

# the priority of apcupsd related to other charts
apcupsd_priority=90000

apcupsd_get() {
  run -t $apcupsd_timeout apcaccess status "$1"
}

is_ups_alive() {
  local status
  status="$(apcupsd_get "$1" | sed -e 's/STATUS.*: //' -e 't' -e 'd')"
  case "$status" in
    "" | "COMMLOST" | "SHUTTING DOWN") return 1 ;;
    *) return 0 ;;
  esac
}

apcupsd_check() {

  # this should return:
  #  - 0 to enable the chart
  #  - 1 to disable the chart

  require_cmd apcaccess || return 1

  # backwards compatibility
  if [ "${apcupsd_ip}:${apcupsd_port}" != ":" ]; then
    apcupsd_sources["local"]="${apcupsd_ip}:${apcupsd_port}"
  fi

  local host working=0 failed=0
  for host in "${!apcupsd_sources[@]}"; do
    run apcupsd_get "${apcupsd_sources[${host}]}" > /dev/null
    # shellcheck disable=2181
    if [ $? -ne 0 ]; then
      error "cannot get information for apcupsd server ${host} on ${apcupsd_sources[${host}]}."
      failed=$((failed + 1))
    else
      if ! is_ups_alive ${apcupsd_sources[${host}]}; then
        error "APC UPS ${host} on ${apcupsd_sources[${host}]} is not online."
        failed=$((failed + 1))
      else
        working=$((working + 1))
      fi
    fi
  done

  if [ ${working} -eq 0 ]; then
    error "No APC UPSes found available."
    return 1
  fi

  return 0
}

apcupsd_create() {
  local host src
  for host in "${!apcupsd_sources[@]}"; do
    src=${apcupsd_sources[${host}]}

    # create the charts
    cat << EOF
CHART apcupsd_${host}.charge '' "UPS Charge for ${host} on ${src}" "percentage" ups apcupsd.charge area $((apcupsd_priority + 1)) $apcupsd_update_every '' '' 'apcupsd'
DIMENSION battery_charge charge absolute 1 100

CHART apcupsd_${host}.battery_voltage '' "UPS Battery Voltage for ${host} on ${src}" "Volts" ups apcupsd.battery.voltage line $((apcupsd_priority + 3)) $apcupsd_update_every '' '' 'apcupsd'
DIMENSION battery_voltage voltage absolute 1 100
DIMENSION battery_voltage_nominal nominal absolute 1 100

CHART apcupsd_${host}.input_voltage '' "UPS Input Voltage for ${host} on ${src}" "Volts" input apcupsd.input.voltage line $((apcupsd_priority + 4)) $apcupsd_update_every '' '' 'apcupsd'
DIMENSION input_voltage voltage absolute 1 100
DIMENSION input_voltage_min min absolute 1 100
DIMENSION input_voltage_max max absolute 1 100

CHART apcupsd_${host}.input_frequency '' "UPS Input Frequency for ${host} on ${src}" "Hz" input apcupsd.input.frequency line $((apcupsd_priority + 5)) $apcupsd_update_every '' '' 'apcupsd'
DIMENSION input_frequency frequency absolute 1 100

CHART apcupsd_${host}.output_voltage '' "UPS Output Voltage for ${host} on ${src}" "Volts" output apcupsd.output.voltage line $((apcupsd_priority + 6)) $apcupsd_update_every '' '' 'apcupsd'
DIMENSION output_voltage voltage absolute 1 100
DIMENSION output_voltage_nominal nominal absolute 1 100

CHART apcupsd_${host}.load '' "UPS Load for ${host} on ${src}" "percentage" ups apcupsd.load area $((apcupsd_priority)) $apcupsd_update_every '' '' 'apcupsd'
DIMENSION load load absolute 1 100

CHART apcupsd_${host}.temp '' "UPS Temperature for ${host} on ${src}" "Celsius" ups apcupsd.temperature line $((apcupsd_priority + 7)) $apcupsd_update_every '' '' 'apcupsd'
DIMENSION temp temp absolute 1 100

CHART apcupsd_${host}.time '' "UPS Time Remaining for ${host} on ${src}" "Minutes" ups apcupsd.time area $((apcupsd_priority + 2)) $apcupsd_update_every '' '' 'apcupsd'
DIMENSION time time absolute 1 100

CHART apcupsd_${host}.online '' "UPS ONLINE flag for ${host} on ${src}" "boolean" ups apcupsd.online line $((apcupsd_priority + 8)) $apcupsd_update_every '' '' 'apcupsd'
DIMENSION online online absolute 0 1

EOF
  done
  return 0
}

apcupsd_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 host working=0 failed=0
  for host in "${!apcupsd_sources[@]}"; do
    apcupsd_get "${apcupsd_sources[${host}]}" | awk "

BEGIN {
	battery_charge = 0;
	battery_voltage = 0;
	battery_voltage_nominal = 0;
	input_voltage = 0;
	input_voltage_min = 0;
	input_voltage_max = 0;
	input_frequency = 0;
	output_voltage = 0;
 	output_voltage_nominal = 0;
	load = 0;
	temp = 0;
	time = 0;
}
/^BCHARGE.*/   { battery_charge = \$3 * 100 };
/^BATTV.*/     { battery_voltage = \$3 * 100 };
/^NOMBATTV.*/  { battery_voltage_nominal = \$3 * 100 };
/^LINEV.*/     { input_voltage = \$3 * 100 };
/^MINLINEV.*/  { input_voltage_min = \$3 * 100 };
/^MAXLINEV.*/  { input_voltage_max = \$3 * 100 };
/^LINEFREQ.*/  { input_frequency = \$3 * 100 };
/^OUTPUTV.*/   { output_voltage = \$3 * 100 };
/^NOMOUTV.*/   { output_voltage_nominal = \$3 * 100 };
/^LOADPCT.*/   { load = \$3 * 100 };
/^ITEMP.*/     { temp = \$3 * 100 };
/^TIMELEFT.*/  { time = \$3 * 100 };
/^STATUS.*/    { online=(\$3 != \"COMMLOST\" && !(\$3 == \"SHUTTING\" && \$4 == \"DOWN\"))?1:0 };
END {
	print \"BEGIN apcupsd_${host}.online $1\";
	print \"SET online = \" online;
	print \"END\"

	if (online == 1) {
		print \"BEGIN apcupsd_${host}.charge $1\";
		print \"SET battery_charge = \" battery_charge;
		print \"END\"

		print \"BEGIN apcupsd_${host}.battery_voltage $1\";
		print \"SET battery_voltage = \" battery_voltage;
		print \"SET battery_voltage_nominal = \" battery_voltage_nominal;
		print \"END\"

		print \"BEGIN apcupsd_${host}.input_voltage $1\";
		print \"SET input_voltage = \" input_voltage;
		print \"SET input_voltage_min = \" input_voltage_min;
		print \"SET input_voltage_max = \" input_voltage_max;
		print \"END\"

		print \"BEGIN apcupsd_${host}.input_frequency $1\";
		print \"SET input_frequency = \" input_frequency;
		print \"END\"

		print \"BEGIN apcupsd_${host}.output_voltage $1\";
		print \"SET output_voltage = \" output_voltage;
		print \"SET output_voltage_nominal = \" output_voltage_nominal;
		print \"END\"

		print \"BEGIN apcupsd_${host}.load $1\";
		print \"SET load = \" load;
		print \"END\"

		print \"BEGIN apcupsd_${host}.temp $1\";
		print \"SET temp = \" temp;
		print \"END\"

		print \"BEGIN apcupsd_${host}.time $1\";
		print \"SET time = \" time;
		print \"END\"
	}
}"
    # shellcheck disable=SC2181
    if [ $? -ne 0 ]; then
      failed=$((failed + 1))
      error "failed to get values for APC UPS ${host} on ${apcupsd_sources[${host}]}" && return 1
    else
      working=$((working + 1))
    fi
  done

  [ $working -eq 0 ] && error "failed to get values from all APC UPSes" && return 1

  return 0
}