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82 lines
3.2 KiB
Ruby
Executable File
82 lines
3.2 KiB
Ruby
Executable File
#! /usr/bin/env ruby
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# frozen_string_literal: true
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require 'json'
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class MacOSBatteryExporter
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def export
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puts metrics
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end
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def metrics
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<<~METRICS
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# HELP node_battery_charge_percent Battery charge percent
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# TYPE node_battery_charge_percent gauge
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node_battery_charge_percent{serial="#{battery_serial_number}"} #{charge_percentage}
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# HELP node_battery_charge_ampere Battery charge ampere
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# TYPE node_battery_charge_ampere gauge
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node_battery_charge_ampere{serial="#{battery_serial_number}"} #{charge_info['sppower_battery_current_capacity'] / 1000.0}
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# HELP node_battery_full_charge_ampere Battery full charge capacity
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# TYPE node_battery_full_charge_ampere gauge
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node_battery_full_charge_ampere{serial="#{battery_serial_number}"} #{charge_info['sppower_battery_max_capacity'] / 1000.0}
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# HELP node_battery_current_flow_ampere Current flow of ampere in (+) or out (-) of battery
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# TYPE node_battery_current_flow_ampere gauge
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node_battery_current_flow_ampere{serial="#{battery_serial_number}"} #{battery_info['sppower_current_amperage'] / 1000.0}
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# HELP node_battery_charger_connected Is charger connected?
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# TYPE node_battery_charger_connected gauge
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node_battery_charger_connected{serial="#{battery_serial_number}"} #{ac_charger_info['sppower_battery_charger_connected'] == 'TRUE' ? 1.0 : 0.0}
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# HELP node_battery_is_charging Is charger connected?
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# TYPE node_battery_is_charging gauge
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node_battery_is_charging{serial="#{battery_serial_number}"} #{ac_charger_info['sppower_battery_is_charging'] == 'TRUE' ? 1.0 : 0.0}
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# HELP node_battery_charger_watts Watts provided by charger
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# TYPE node_battery_charger_watts gauge
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node_battery_charger_watts{serial="#{battery_serial_number}"} #{ac_charger_info['sppower_ac_charger_watts'].to_f}
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# HELP node_battery_fully_charged Is battery fully charged?
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# TYPE node_battery_fully_charged gauge
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node_battery_fully_charged{serial="#{battery_serial_number}"} #{ac_charger_info['sppower_battery_fully_charged'] == 'TRUE' ? 1.0 : 0.0}
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# HELP node_battery_cycle_count Battery cycle count
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# TYPE node_battery_cycle_count counter
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node_battery_cycle_count{serial="#{battery_serial_number}"} #{health_info['sppower_battery_cycle_count']}
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METRICS
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end
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def charge_percentage
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@charge_percentage ||=
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`pmset -g batt | grep -Eo '\\d+%' | cut -d% -f1`.strip
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end
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def battery_serial_number
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battery_info.dig(
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'sppower_battery_model_info',
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'sppower_battery_serial_number'
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)
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end
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def charge_info
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@charge_info ||= battery_info['sppower_battery_charge_info']
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end
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def health_info
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@health_info ||= battery_info['sppower_battery_health_info']
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end
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def battery_info
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@battery_info ||= power_data&.find do |v|
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v['_name'] == 'spbattery_information'
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end
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end
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def ac_charger_info
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@ac_charger_info ||= power_data&.find do |v|
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v['_name'] == 'sppower_ac_charger_information'
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end
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end
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def power_data
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@power_data ||= JSON.parse(`system_profiler SPPowerDataType -json`)
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&.[]('SPPowerDataType')
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end
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end
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MacOSBatteryExporter.new.export if __FILE__ == $PROGRAM_NAME
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