switch-api

Simple http server that triggers system commands on predefined URLs

• used in conjunction with https://home-assistant.io/components/switch.rest/
• http://pm2.keymetrics.io for automatic startup

usage and integration inside home-assistant

control macbook display (on macOS Mojave)

• GET /display : get current screen state (sleeping or not)
• POST /display body=ON|OFF : switch screeen state

switch:
  - platform: rest
    name: Macbook Display
    resource: 'http://mymac:8182/display'

get battery power status (on macOS Mojave)

• GET /power

sensor:
  - platform: rest
    name: Macbook battery
    resource: 'http://mymac:8182/power'
    json_attributes:
      - isOnBattery
      - isCharged
      - chargingStatus
      - chargePercent
      - remainingChargeTime
      - message
    value_template: '{{ value_json.chargePercent }}'
    unit_of_measurement: '%'

get cpu average for last 5mn

• GET /cpu

sensor:
  - platform: rest
    name: Macbook CPU
    resource: 'http://mymac:8182/cpu'
    value_template: '{{ value | round(1) }}'
    unit_of_measurement: '%'

useful commands

• sleep display: pmset displaysleepnow
• wake display: caffeinate -u -t 1
• test state : pmset -g powerstate IODisplayWrangler | tail -1 | cut -c29 result <4 are sleeping
• battery power status : pmset -g batt (and a painful parsing)