---
# This Ansible playbook demonstrates how to send Discord notifications
# using the `community.general.discord` module.
# https://docs.ansible.com/ansible/latest/collections/community/general/discord_module.html
#
# If you need guidance how to create your own Discord server, see
# https://support.discord.com/hc/en-us/articles/204849977-How-do-I-create-a-server
#
# In order to generate a webhook, please see
# https://support.discord.com/hc/en-us/articles/360045093012-Server-Integrations-Page

- name: Notify discord

  hosts: "{{ my_hosts | d([]) }}"

  vars:
    # The name that will be shown as sender of the notification. Note
    # that some usernames are blocked by Discord, for example it must
    # not contain the word `discord`.
    notify_discord_username: Ansible

    # Your Discord webhook URL should have following format. Please
    # extract following segments of the URL path and set it as value of
    # the following variables:
    #
    # https://discord.com/api/webhooks/nnnnnnnnnn/xxxxxxxxxxxxxxxxxxxxxxxxxxx
    #                                  |        | |                         |
    #   notify_discord_webhook_id <----'--------' |                         |
    #                                             |                         |
    #   notify_discord_webhook_token <------------'-------------------------'
    #
    # Security advise: if you commit this data to a repository it is
    # strongly recommended to encrypt `notify_discord_webhook_token` using
    # Ansible Vault.
    notify_discord_webhook_id: ''
    notify_discord_webhook_token: ''

    # Do not modify following regular expressions unless you know what
    # you're doing. Those are to ensure that whatever you've set as
    # `notify_discord_webhook_id` and `notify_discord_webhook_token`
    # complies with the Discord API Specification (as of 2024-02-25).
    #
    # https://github.com/discord/discord-api-spec/blob/fe9917381e47285b56d98cb72ae3cfe7db9ea19c/specs/openapi.json#L7524-L7531
    # https://github.com/discord/discord-api-spec/blob/fe9917381e47285b56d98cb72ae3cfe7db9ea19c/specs/openapi.json#L24817-L24821
    notify_discord_webhook_id_regex: '^0|[1-9][0-9]*$'
    # https://github.com/discord/discord-api-spec/blob/fe9917381e47285b56d98cb72ae3cfe7db9ea19c/specs/openapi.json#L7532-L7541
    notify_discord_webhook_token_regex: '^[a-zA-Z0-9_-]+$'

    # The content of the notification
    notify_discord_webhook_content: |-
      **Message from `{{ inventory_hostname }}` by *Ansible* ** :tada:
      Just a test, adjust it to your liking.

      You can use any Markdown formatting here [supported by Discord](
      https://support.discord.com/hc/en-us/articles/210298617-Markdown-Text-101-Chat-Formatting-Bold-Italic-Underline).

    # Delegate the sending of the Dicord notification to following host
    # which must be able to access the public internet on destination
    # port 443/tcp. When `localhost` is specified, this is sent from
    # the Ansible Controller, but you can pick any host listed in the
    # Ansible inventory.
    notify_discord_send_from_host: localhost

  tasks:
    - name: Send Discord message
      community.general.discord:
        username: "{{ notify_discord_username }}"
        webhook_id: "{{ notify_discord_webhook_id }}"
        webhook_token: "{{ notify_discord_webhook_token }}"
        content: "{{ notify_discord_webhook_content }}"
      delegate_to: "{{ notify_discord_send_from_host }}"
      when:
        - notify_discord_webhook_id is match(notify_discord_webhook_id_regex)
        - notify_discord_webhook_token is match(notify_discord_webhook_token_regex)
        - notify_discord_webhook_content | length > 0
        - notify_discord_send_from_host is in (['localhost'] + groups['all'])