Move duplicati to its own role so it can be installed on grimes

ansible/roles/duplicati/files/docker-compose.yml

@@ -0,0 +1,16 @@
+version: "2.3"
+services:
+  duplicati:
+    image: linuxserver/duplicati:v2.0.5.1-2.0.5.1_beta_2020-01-18-ls60
+    container_name: duplicati
+    environment:
+      - PUID={{ docker_user.id }}
+      - PGID={{ docker_user.id }}
+      - TZ=Europe/London
+    volumes:
+      - ./config:/config
+      - ./restore:/restore
+      - /:/source:ro
+    restart: unless-stopped
+    ports:
+      - 8200:8200

ansible/roles/duplicati/tasks/main.yml

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+- name: Create duplicati directory
+  file:
+    path: /opt/duplicati
+    state: directory
+    owner: "{{ docker_user.name }}"
+    mode: "{{ docker_compose_directory_mask }}"
+  become: true
+
+- name: Install duplicati compose file
+  template:
+    src: files/docker-compose.yml
+    dest: /opt/duplicati/docker-compose.yml
+    mode: "{{ docker_compose_file_mask }}"
+    owner: "{{ docker_user.name }}"
+    validate: /usr/bin/docker-compose -f %s config
+  register: compose_file
+  become: true
+
+- name: Cycle duplicati container
+  docker_compose:
+    project_src: /opt/duplicati
+    pull: true
+    remove_orphans: true
+    remove_volumes: true
+    state: "{{ item }}"
+  when: compose_file.changed
+  loop:
+    - absent
+    - present