khaong / switch-api

REST server for switching stuff on macOS via home-assistant.io

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 mac 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:
      - isOnAC
      - isOnBattery
      - isCharged
      - chargingStatus
      - chargePercent
      - remainingChargeTime
      - message
    value_template: '{{ value_json.chargePercent }}'
    unit_of_measurement: '%'

get cpu average, defaults to last 5mn

• GET /cpu
  • /cpu?avg=1 last mn
  • /cpu?avg=5 last 5mn
  • /cpu?avg=15 last 15mn

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

run in verbose mode

node app.js --verbose

Sat Dec 21 2019 09:01:49 GMT-0600 (Central Standard Time) - switch-api server started on http://localhost:8182
Sat Dec 21 2019 09:02:03 GMT-0600 (Central Standard Time) - GET /cpu
Sat Dec 21 2019 09:02:17 GMT-0600 (Central Standard Time) - GET /display

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)