[FW] Use Compose module rather than shell for importing music

This is because for no reason, the shell module will just hang, never launching the container. This is also a bit cleaner...

roles/music/tasks/import_music.yml

@@ -25,11 +25,25 @@
 
 - name: Import music into Funkwhale
   shell:
-    # funkwhale_import_music_directory is the mounted version of tagged
-    # files at previous step
+
     cmd: "docker-compose run --rm api python manage.py import_files {{ funkwhale_import_library_id }} {{ funkwhale_import_music_directory }} --recursive --noinput --prune"
     chdir: "{{ funkwhale_folder_name }}"
 
+- name: Run funkwhale import container
+  community.docker.docker_compose:
+    project_src: "{{ funkwhale_folder_name }}"
+    files: ["import.yml"]
+    remove_orphans: yes
+    pull: yes
+    recreate: smart
+    state: present
+
+- name: Remove funkwhale import container
+  community.docker.docker_compose:
+    project_src: "{{ funkwhale_folder_name }}"
+    files: ["import.yml"]
+    state: absent
+
 - name: Delete files once imported
   shell:
     cmd: "rm -rf {{ funkwhale_import_music_directory_host }}/*"

roles/music/tasks/main.yml

@@ -41,6 +41,7 @@
     mode: 0644
   loop:
     - docker-compose.yml.j2
+    - import.yml.j2
     - conf.env.j2
     - nginx.conf.j2
 

roles/music/templates/import.yml.j2

@@ -0,0 +1,16 @@
+version: "{{ compose_version }}"
+
+services:
+  api:
+    image: "funkwhale/funkwhale:{{ funkwhale_version }}"
+    container_name: funkwhale_import
+    env_file:
+      - ./conf.env
+    volumes:
+      - "{{ funkwhale_import_music_directory_host }}:{{ funkwhale_import_music_directory }}:ro"
+      - "static:{{ funkwhale_static_root }}"
+      - "frontend:{{ funkwhale_frontend }}"
+      - /etc/timezone:/etc/timezone:ro
+      - /etc/localtime:/etc/localtime:ro
+    command: ["python", "manage.py", "import_files", "{{ funkwhale_import_library_id }}", "{{ funkwhale_import_music_directory }}", "--recursive", "--noinput", "--prune"]
+    restart: no