matrix-docker-ansible-deploy/roles/custom/matrix-bridge-mautrix-discord/molecule/default/verify.yml

# SPDX-FileCopyrightText: 2026 Slavi Pantaleev
#
# SPDX-License-Identifier: AGPL-3.0-or-later

---
# Proves the bridge starts, reads the configuration and registration the role rendered, opens
# its appservice port, is the version the role pins, and composed the avatar-proxy labels out
# of the hostname, scheme and path prefix it was given.
#
# It does NOT bridge anything: there is no Discord on the other side, and deliberately never
# will be, because that would need a Discord account. See docs/molecule-testing.md.
- name: Verify mautrix-discord
  hosts: all
  become: true
  vars_files:
    - "{{ lookup('env', 'MOLECULE_PROJECT_DIRECTORY') }}/../../../molecule-shared/vars.yml"
    - "{{ lookup('env', 'MOLECULE_PROJECT_DIRECTORY') }}/../../../molecule-shared/playbook-context.yml"
  gather_facts: false

  vars:
    # The role derives this from scheme + hostname + path prefix. Role defaults are out of
    # scope in this play, so it is recomposed from the same three values molecule.yml pinned.
    mautrix_discord_expected_public_address: >-
      {{ matrix_bridge_mautrix_discord_scheme }}://{{ matrix_bridge_mautrix_discord_hostname }}{{ matrix_bridge_mautrix_discord_path_prefix }}
    mautrix_discord_expected_avatar_proxy_path_prefix: "{{ matrix_bridge_mautrix_discord_path_prefix }}/mautrix-discord/avatar"

  tasks:
    # From the role's own defaults rather than pinned in molecule.yml, so the version
    # assertion compares the running image against what the role ships, not the scenario.
    - name: Load the role's defaults under a separate name
      ansible.builtin.include_vars:
        file: "{{ lookup('env', 'MOLECULE_PROJECT_DIRECTORY') }}/defaults/main.yml"
        name: mautrix_discord_role_defaults

    - name: Wait for the mautrix-discord service to become active
      ansible.builtin.systemd_service:
        name: matrix-mautrix-discord.service
      register: mautrix_discord_service
      until: mautrix_discord_service.status.ActiveState == 'active'
      retries: 30
      delay: 5
      failed_when: false

    # `Restart=always` means a bridge crash-looping on unreadable config still reports
    # `active`, so the restart counter is checked too. Asserted `is defined` because
    # `| int` turns a missing property into 0 and would pass vacuously.
    - name: Assert the service is active and has not been restarting
      ansible.builtin.assert:
        that:
          - mautrix_discord_service.status.ActiveState == 'active'
          - mautrix_discord_service.status.NRestarts is defined
          - mautrix_discord_service.status.NRestarts | int == 0
        fail_msg: >-
          matrix-mautrix-discord.service is
          {{ mautrix_discord_service.status.ActiveState | default('unknown') }}
          after {{ mautrix_discord_service.status.NRestarts | default('?') }}
          automatic restart(s)
        success_msg: "matrix-mautrix-discord.service is active and has not restarted"

    # The appservice listener is where a homeserver would push transactions. It opening at all
    # means the bridge got through reading its configuration and setting itself up.
    - name: Wait for the bridge to open its appservice port
      ansible.builtin.command:
        argv:
          - docker
          - run
          - --rm
          - --network={{ matrix_bridge_mautrix_discord_container_network }}
          - "{{ molecule_shared_image_curl }}"
          - --silent
          - --output
          - /dev/null
          - --write-out
          - "HTTP_STATUS=%{http_code}"
          - "http://matrix-mautrix-discord:8080/_matrix/mau/live"
      register: mautrix_discord_live
      changed_when: false
      until: "'HTTP_STATUS=000' not in mautrix_discord_live.stdout"
      retries: 24
      delay: 5
      failed_when: false

    - name: Assert the bridge answers on its appservice port
      ansible.builtin.assert:
        that:
          - "'HTTP_STATUS=000' not in mautrix_discord_live.stdout"
        fail_msg: >-
          The bridge did not answer on its appservice port
          ({{ mautrix_discord_live.stdout | default('no output') }})
        success_msg: "The bridge answers on its appservice port"

    - name: Read the configuration the role rendered
      ansible.builtin.slurp:
        src: "{{ matrix_bridge_mautrix_discord_config_path }}/config.yaml"
      register: mautrix_discord_config_file

    # Each differs from what the bridge would use on its own, so their presence rules out a
    # coincidence. The public address in particular is composed by the role out of three
    # separate variables.
    #
    # Asserted against the parsed document rather than by substring, so a value landing under
    # the wrong key cannot pass.
    - name: Assert the rendered configuration carries this scenario's values
      ansible.builtin.assert:
        that:
          - mautrix_discord_config.homeserver.address == matrix_bridge_mautrix_discord_homeserver_address
          - mautrix_discord_config.homeserver.domain == matrix_bridge_mautrix_discord_homeserver_domain
          - mautrix_discord_config.appservice.bot.username == matrix_bridge_mautrix_discord_appservice_bot_username
          - mautrix_discord_config.appservice.as_token == matrix_bridge_mautrix_discord_appservice_token
          - mautrix_discord_config.appservice.hs_token == matrix_bridge_mautrix_discord_homeserver_token
          - mautrix_discord_config.appservice.database.type == 'postgres'
          - mautrix_discord_config.bridge.command_prefix == matrix_bridge_mautrix_discord_bridge_command_prefix
          - mautrix_discord_config.bridge.avatar_proxy_key == matrix_bridge_mautrix_discord_bridge_avatar_proxy_key
          - mautrix_discord_config.bridge.public_address == mautrix_discord_expected_public_address | trim
          - mautrix_discord_config.logging.min_level == matrix_bridge_mautrix_discord_logging_level
        fail_msg: "The rendered configuration does not carry the scenario's values"
        success_msg: "The rendered configuration carries the scenario's values"
      vars:
        mautrix_discord_config: "{{ mautrix_discord_config_file.content | b64decode | from_yaml }}"

    # The role generates the registration; the bridge only consumes it. `sender_localpart`
    # carries the role's own `_bot_` prefixing, not something the bridge would produce.
    - name: Read the appservice registration the role rendered
      ansible.builtin.slurp:
        src: "{{ matrix_bridge_mautrix_discord_config_path }}/registration.yaml"
      register: mautrix_discord_registration_file

    - name: Assert the registration carries the scenario's tokens and bot user
      ansible.builtin.assert:
        that:
          - mautrix_discord_registration.as_token == matrix_bridge_mautrix_discord_appservice_token
          - mautrix_discord_registration.hs_token == matrix_bridge_mautrix_discord_homeserver_token
          - mautrix_discord_registration.sender_localpart == '_bot_' ~ matrix_bridge_mautrix_discord_appservice_bot_username
          - mautrix_discord_registration.url == 'http://matrix-mautrix-discord:8080'
          - mautrix_discord_bot_user_regex in (mautrix_discord_registration.namespaces.users | map(attribute='regex') | list)
        fail_msg: "The appservice registration does not carry the scenario's tokens and bot user"
        success_msg: "The appservice registration carries the scenario's tokens and bot user"
      vars:
        mautrix_discord_registration: "{{ mautrix_discord_registration_file.content | b64decode | from_yaml }}"
        mautrix_discord_bot_user_regex: "^@{{ matrix_bridge_mautrix_discord_appservice_bot_username | regex_escape }}:{{ matrix_bridge_mautrix_discord_homeserver_domain | regex_escape }}$"

    # Stronger than the file-on-disk check sqlite allowed: the bridge can only have created
    # tables here by resolving the hostname, authenticating with the credentials the role
    # rendered, and running its migrations to completion.
    - name: List the tables the bridge created in Postgres
      ansible.builtin.command:
        argv:
          - docker
          - exec
          - matrix-postgres-molecule
          - psql
          - --username={{ matrix_bridge_mautrix_discord_database_username }}
          - --dbname={{ matrix_bridge_mautrix_discord_database_name }}
          - --tuples-only
          - --no-align
          - --command=SELECT tablename FROM pg_tables WHERE schemaname = 'public'
      register: mautrix_discord_tables
      changed_when: false

    - name: Assert the bridge migrated its schema into the database the role pointed it at
      ansible.builtin.assert:
        that:
          - mautrix_discord_tables.rc == 0
          - "'version' in mautrix_discord_table_names"
          - mautrix_discord_table_names | length > 5
        fail_msg: >-
          The bridge did not create its schema in
          {{ matrix_bridge_mautrix_discord_database_name }}
          (found {{ mautrix_discord_table_names | length }} table(s))
        success_msg: "The bridge migrated its schema into the database the role pointed it at"
      vars:
        mautrix_discord_table_names: "{{ mautrix_discord_tables.stdout_lines | select | list }}"

    - name: Read the image of the running container
      ansible.builtin.command:
        argv:
          - docker
          - container
          - inspect
          - matrix-mautrix-discord
          - --format
          - "{{ '{{' }} .Config.Image {{ '}}' }}"
      register: mautrix_discord_image
      changed_when: false

    - name: Assert the running container is the version defaults/main.yml pins
      ansible.builtin.assert:
        that:
          - mautrix_discord_role_defaults.matrix_bridge_mautrix_discord_version in mautrix_discord_image.stdout
        fail_msg: >-
          The running container is {{ mautrix_discord_image.stdout }}, which does
          not carry the pinned version
          {{ mautrix_discord_role_defaults.matrix_bridge_mautrix_discord_version }}
        success_msg: "The running container is the version defaults/main.yml pins"

    # The avatar proxy is this role's own reverse-proxy wiring. The labels only appear because
    # a public address was configured, and the role composes their hostname and path prefix
    # rather than copying them from a variable.
    - name: Read the labels the role rendered
      ansible.builtin.slurp:
        src: "{{ matrix_bridge_mautrix_discord_base_path }}/labels"
      register: mautrix_discord_labels

    - name: Assert the avatar-proxy labels were composed from the scenario's hostname and path prefix
      ansible.builtin.assert:
        that:
          - "'traefik.enable=true' in mautrix_discord_labels_rendered"
          - "'traefik.docker.network=' ~ matrix_bridge_mautrix_discord_container_network in mautrix_discord_labels_rendered"
          - "'traefik.http.routers.matrix-mautrix-discord-avatar-proxy.rule=Host(`' ~ matrix_bridge_mautrix_discord_hostname ~ '`) && PathPrefix(`' ~ mautrix_discord_expected_avatar_proxy_path_prefix ~ '`)' in mautrix_discord_labels_rendered"
          - "'traefik.http.middlewares.matrix-mautrix-discord-strip-prefix.stripprefix.prefixes=' ~ matrix_bridge_mautrix_discord_path_prefix in mautrix_discord_labels_rendered"
        fail_msg: >-
          The avatar-proxy labels do not carry the scenario's hostname
          ({{ matrix_bridge_mautrix_discord_hostname }}) and path prefix
          ({{ mautrix_discord_expected_avatar_proxy_path_prefix }})
        success_msg: "The avatar-proxy labels were composed from the scenario's hostname and path prefix"
      vars:
        mautrix_discord_labels_rendered: "{{ mautrix_discord_labels.content | b64decode }}"

    # The label file is fed to `docker create --label-file`, so a wrongly rendered label is
    # not cosmetic: it stops the container being created at all. Reading them back off the
    # running container proves Docker accepted them.
    - name: Read the labels Docker attached to the running container
      ansible.builtin.command:
        argv:
          - docker
          - container
          - inspect
          - matrix-mautrix-discord
          - --format
          - "{{ '{{' }} index .Config.Labels \"traefik.http.routers.matrix-mautrix-discord-avatar-proxy.rule\" {{ '}}' }}"
      register: mautrix_discord_container_label
      changed_when: false

    - name: Assert Docker carries the avatar-proxy router label the role rendered
      ansible.builtin.assert:
        that:
          - matrix_bridge_mautrix_discord_hostname in mautrix_discord_container_label.stdout
          - mautrix_discord_expected_avatar_proxy_path_prefix in mautrix_discord_container_label.stdout
        fail_msg: >-
          The running container's avatar-proxy router label is
          "{{ mautrix_discord_container_label.stdout }}"
        success_msg: "The running container carries the avatar-proxy router label the role rendered"