initial commit

README.md

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+# ansible-role-docker-compose-generator
+
+Pass this role a hash and it will generate a docker-compose.yml file. The following structure is supported and is designed to be passed to the role using `group_vars`.
+
+Rendered files are output to the `output` directory.
+
+```
+---
+
+# global vars
+global_env_vars:
+  - "PUID=1313"
+  - "PGID=1313"
+appdata_path: /opt/appdata
+container_config_path: /config
+container_data_path: /data
+
+# container definitions
+containers:
+  - service_name: letsencrypt
+    active: true
+    image: linuxserver/letsencrypt
+    container_name: le
+    ports:
+      - 80:80
+      - 443:443
+    volumes:
+      - "{{ appdata_path }}/letsencrypt/config:{{ container_config_path }}"
+    restart: always
+    depends_on:
+      - unifi
+      - nextcloud
+      - quassel
+    include_global_env_vars: true
+    environment:
+      - EMAIL=email@email.com
+      - URL=some.tld
+      - SUBDOMAINS=nc, irc, unifi
+      - ONLY_SUBDOMAINS=true
+      - DHLEVEL=4096
+      - TZ=Europe/London
+      - VALIDATION=http
+    mem_limit: 256m
+  - service_name: nextcloud
+    active: true
+    image: nextcloud
+    container_name: nextcloud
+    include_global_env_vars: false
+    volumes:
+      - "{{ appdata_path }}/nextcloud/html:/var/www/html"
+      - "{{ appdata_path }}/nextcloud/apps:/var/www/html/custom_apps"
+      - "{{ appdata_path }}/nextcloud/config:/var/www/html/config"
+      - "{{ appdata_path }}/nextcloud/data:/var/www/html/data"
+      - "{{ appdata_path }}/nextcloud/theme:/var/www/html/themes"
+    mem_limit: 256m
+    restart: "{{ unless_stopped }}"
+    ports:
+      - "8081:80"
+  - service_name: unifi
+    active: true
+    image: linuxserver/unifi
+    container_name: unifi
+    mem_limit: 512m
+    volumes:
+      - "{{ appdata_path }}/unifi:{{ container_config_path }}"
+    include_global_env_vars: true
+    restart: "{{ unless_stopped }}"
+  - service_name: quassel
+    active: true
+    image: linuxserver/quassel
+    container_name: quassel
+    include_global_env_vars: true
+    volumes:
+      - "{{ appdata_path }}/quassel:{{ container_config_path }}"
+    mem_limit: 128m
+    ports:
+      - "4242:4242"
+```

defaults/main.yml

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+---
+output_path: output/
+include_global_env_vars: false

tasks/main.yml

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+---
+- name: create destination dir for generated readme
+  file:
+    path: "{{ output_path }}"
+    state: directory
+
+- name: write docker-compose file
+  template:
+    src: ../templates/docker-compose.yml.j2
+    dest: "{{ output_path }}/docker-compose.yml"
+  delegate_to: localhost

templates/docker-compose.yml.j2

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+# {{ ansible_managed }}
+---
+version: "2"
+services:
+{% for item in containers %}
+{% if item.active %}
+  {{ item.service_name }}:
+    image: {{ item.image }}
+    container_name: {{ item.container_name }}
+{% if item.network_mode is defined %}
+    network_mode: {{ item.network_mode }}
+{% endif %}
+{% if item.volumes is defined %}
+    volumes:
+{% for item in item.volumes %}
+      - {{ item }}
+{% endfor %}
+{% endif %}
+{% if item.ports is defined %}
+    ports:
+{% for item in item.ports %}
+      - {{ item }}
+{% endfor %}
+{% endif %}
+{% if ( item.environment is defined ) or ( item.include_global_env_vars ) %}
+    environment:
+{% if item.include_global_env_vars %}
+{% for item2 in global_env_vars %}
+      - {{ item2 }}
+{% endfor %}
+{% endif %}
+{% if item.environment is defined %}
+{% for item in item.environment %}
+      - {{ item }}
+{% endfor %}
+{% endif %}
+{% endif %}
+{% if item.depends_on is defined %}
+    depends_on:
+{% for item in item.depends_on %}
+      - {{ item }}
+{% endfor %}
+{% endif %}
+{% if item.hostname is defined %}
+    hostname: {{ item.hostname }}
+{% endif %}
+{% if item.mem_limit is defined %}
+    mem_limit: {{ item.mem_limit }}
+{% endif %}
+{% if item.restart is defined %}
+    restart: {{ item.restart }}
+{% endif %}
+
+{% endif %}
+{% endfor %}