Add self-building support for mautrix-whatsapp

Fixes spantaleev#1322

Author: spantaleev

docs/self-building.md

@@ -27,6 +27,7 @@ List of roles where self-building the Docker image is currently possible:
 - `matrix-bridge-mautrix-hangouts`
 - `matrix-bridge-mautrix-telegram`
 - `matrix-bridge-mautrix-signal`
+- `matrix-bridge-mautrix-whatsapp`
 - `matrix-bridge-mx-puppet-skype`
 - `matrix-bot-mjolnir`
 - `matrix-bot-matrix-reminder-bot`

group_vars/matrix_servers

@@ -477,6 +477,8 @@ matrix_mautrix_telegram_database_password: "{{ matrix_synapse_macaroon_secret_ke
 # We don't enable bridges by default.
 matrix_mautrix_whatsapp_enabled: false
 
+matrix_mautrix_whatsapp_container_image_self_build: "{{ matrix_architecture not in ['arm64', 'amd64'] }}"
+
 matrix_mautrix_whatsapp_systemd_required_services_list: |
   {{
     ['docker.service']

roles/matrix-bridge-mautrix-whatsapp/defaults/main.yml

@@ -3,14 +3,20 @@
 
 matrix_mautrix_whatsapp_enabled: true
 
+matrix_mautrix_whatsapp_container_image_self_build: false
+matrix_mautrix_whatsapp_container_image_self_build_repo: "https://mau.dev/mautrix/whatsapp.git"
+matrix_mautrix_whatsapp_container_image_self_build_branch: "{{ 'master' if matrix_mautrix_whatsapp_version == 'latest' else matrix_mautrix_whatsapp_version }}"
+
 matrix_mautrix_whatsapp_version: latest
 # See: https://mau.dev/mautrix/whatsapp/container_registry
-matrix_mautrix_whatsapp_docker_image: "dock.mau.dev/mautrix/whatsapp:{{ matrix_mautrix_whatsapp_version }}"
+matrix_mautrix_whatsapp_docker_image: "{{ matrix_mautrix_whatsapp_docker_image_name_prefix }}mautrix/whatsapp:{{ matrix_mautrix_whatsapp_version }}"
+matrix_mautrix_whatsapp_docker_image_name_prefix: "{{ 'localhost/' if matrix_mautrix_whatsapp_container_image_self_build else 'dock.mau.dev/' }}"
 matrix_mautrix_whatsapp_docker_image_force_pull: "{{ matrix_mautrix_whatsapp_docker_image.endswith(':latest') }}"
 
 matrix_mautrix_whatsapp_base_path: "{{ matrix_base_data_path }}/mautrix-whatsapp"
 matrix_mautrix_whatsapp_config_path: "{{ matrix_mautrix_whatsapp_base_path }}/config"
 matrix_mautrix_whatsapp_data_path: "{{ matrix_mautrix_whatsapp_base_path }}/data"
+matrix_mautrix_whatsapp_docker_src_files_path: "{{ matrix_mautrix_whatsapp_base_path }}/docker-src"
 
 matrix_mautrix_whatsapp_homeserver_address: "{{ matrix_homeserver_container_url }}"
 matrix_mautrix_whatsapp_homeserver_domain: "{{ matrix_domain }}"

roles/matrix-bridge-mautrix-whatsapp/tasks/setup_install.yml

@@ -35,24 +35,49 @@
       when: "matrix_mautrix_whatsapp_sqlite_database_path_local_stat_result.stat.exists|bool"
   when: "matrix_mautrix_whatsapp_database_engine == 'postgres'"
 
-- name: Ensure Mautrix Whatsapp image is pulled
-  docker_image:
-    name: "{{ matrix_mautrix_whatsapp_docker_image }}"
-    source: "{{ 'pull' if ansible_version.major > 2 or ansible_version.minor > 7 else omit }}"
-    force_source: "{{ matrix_mautrix_whatsapp_docker_image_force_pull if ansible_version.major > 2 or ansible_version.minor >= 8 else omit }}"
-    force: "{{ omit if ansible_version.major > 2 or ansible_version.minor >= 8 else matrix_mautrix_whatsapp_docker_image_force_pull }}"
 
 - name: Ensure Mautrix Whatsapp paths exists
   file:
-    path: "{{ item }}"
+    path: "{{ item.path }}"
     state: directory
     mode: 0750
     owner: "{{ matrix_user_username }}"
     group: "{{ matrix_user_groupname }}"
   with_items:
-    - "{{ matrix_mautrix_whatsapp_base_path }}"
-    - "{{ matrix_mautrix_whatsapp_config_path }}"
-    - "{{ matrix_mautrix_whatsapp_data_path }}"
+    - { path: "{{ matrix_mautrix_whatsapp_base_path }}", when: true }
+    - { path: "{{ matrix_mautrix_whatsapp_config_path }}", when: true }
+    - { path: "{{ matrix_mautrix_whatsapp_data_path }}", when: true }
+    - { path: "{{ matrix_mautrix_whatsapp_docker_src_files_path }}", when: "{{ matrix_mautrix_whatsapp_container_image_self_build }}" }
+  when: item.when|bool
+
+- name: Ensure Mautrix Whatsapp image is pulled
+  docker_image:
+    name: "{{ matrix_mautrix_whatsapp_docker_image }}"
+    source: "{{ 'pull' if ansible_version.major > 2 or ansible_version.minor > 7 else omit }}"
+    force_source: "{{ matrix_mautrix_whatsapp_docker_image_force_pull if ansible_version.major > 2 or ansible_version.minor >= 8 else omit }}"
+    force: "{{ omit if ansible_version.major > 2 or ansible_version.minor >= 8 else matrix_mautrix_whatsapp_docker_image_force_pull }}"
+  when: not matrix_mautrix_whatsapp_container_image_self_build
+
+- name: Ensure Mautrix Whatsapp repository is present on self-build
+  git:
+    repo: "{{ matrix_mautrix_whatsapp_container_image_self_build_repo }}"
+    dest: "{{ matrix_mautrix_whatsapp_docker_src_files_path }}"
+    version: "{{ matrix_mautrix_whatsapp_container_image_self_build_branch }}"
+    force: "yes"
+  register: matrix_mautrix_whatsapp_git_pull_results
+  when: "matrix_mautrix_whatsapp_container_image_self_build|bool"
+
+- name: Ensure Mautrix Whatsapp Docker image is built
+  docker_image:
+    name: "{{ matrix_mautrix_whatsapp_docker_image }}"
+    source: build
+    force_source: "{{ matrix_mautrix_whatsapp_git_pull_results.changed if ansible_version.major > 2 or ansible_version.minor >= 8 else omit }}"
+    force: "{{ omit if ansible_version.major > 2 or ansible_version.minor >= 8 else matrix_mautrix_whatsapp_git_pull_results.changed }}"
+    build:
+      dockerfile: Dockerfile
+      path: "{{ matrix_mautrix_whatsapp_docker_src_files_path }}"
+      pull: yes
+  when: "matrix_mautrix_whatsapp_container_image_self_build|bool"
 
 - name: Check if an old database file exists
   stat: