restart-notifier.yaml

---
# SPDX-License-Identifier: MIT
blueprint:
  name: Restart Notifier (v0.1)

  description: |
    Sends a notification when Home Assistant restarts

  domain: automation

  input:
    notify_service:
      name: Zulip Notify
      description: |
        Notify service name to send to. Should be a Zulip (or compatible)
        notify service
      default: "zulip"
    notify_topic:
      name: Notification topic
      description: |
        The topic that will be used in the Zulip stream
      default: "{{ state_attr('zone.home', 'friendly_name') }} restart"
    notify_message_prelude:
      name: Notification message prelude
      description: |
        The flavor text to prelude schedules with
      default: "{{ state_attr('zone.home', 'friendly_name') }} "

mode: single

triggers:
  - event: shutdown
    id: shutdown
    trigger: homeassistant
  - event: start
    id: startup
    trigger: homeassistant

variables:
  # inputs
  input_notify_service: !input notify_service
  input_notify_topic: !input notify_topic
  input_notify_message_prelude: !input notify_message_prelude

  # yamllint disable-line rule:line-length
  notify_target: "{{ input_notify_service | lower | replace('notify.', '') | replace(' ', '_') }}"

condition: []

actions:
  - choose:
      - conditions:
          - condition: trigger
            id: shutdown
        sequence:
          - data:
              message: "{{ input_notify_message_prelude }} shutting down"
              title: "{{ input_notify_topic }}"
            action: notify.{{ notify_target }}
      - conditions:
          - condition: trigger
            id: startup
        sequence:
          - data:
              message: "{{ input_notify_message_prelude }} has started"
              title: "{{ input_notify_topic }}"
            action: notify.{{ notify_target }}
    default: []