feat: add docker_repo_distribution variable

README.md

@@ -10,6 +10,7 @@ Install and configure docker service
 
 ## Role variables
 
+* `docker_repo_distribution` - set the distribution for docker repository (default: `ansible_distribution_release`)
 * `docker_compose_version` - set the docker-compose version to install (default: `1.23.2`)
 * `docker_networks` - array with the docker networks
 

defaults/main.yml

@@ -1,5 +1,7 @@
 ---
+docker_repo_distribution: '{{ ansible_distribution_release }}'
 docker_compose_version: 1.23.2
-docker_compose_url: https://github.com/docker/compose/releases/download/{{ docker_compose_version }}/docker-compose-Linux-x86_64
+docker_compose_url: "https://github.com/docker/compose/releases/download/\
+  {{ docker_compose_version }}/docker-compose-Linux-x86_64"
 docker_services: {}
 docker_networks: []

tasks/install.yml

@@ -22,7 +22,7 @@
 
 - name: add docker repository
   apt_repository:
-    repo: 'deb https://download.docker.com/linux/debian {{ ansible_distribution_release }} stable'
+    repo: 'deb https://download.docker.com/linux/debian {{ docker_repo_distribution }} stable'
   tags: docker
 
 - name: install docker package