add posibility to provide different yum repository directory (#2787)

roles/docker/defaults/main.yml

@@ -23,6 +23,7 @@ docker_container_storage_setup: false
 
 # Used to override obsoletes=0
 yum_conf: /etc/yum.conf
+yum_repo_dir: /etc/yum.repos.d
 docker_yum_conf: /etc/yum_docker.conf
 
 # CentOS/RedHat docker-ce repo

roles/docker/tasks/main.yml

@@ -85,7 +85,7 @@
 - name: Configure docker repository on RedHat/CentOS
   template:
     src: "rh_docker.repo.j2"
-    dest: "/etc/yum.repos.d/docker.repo"
+    dest: "{{ yum_repo_dir }}/docker.repo"
   when: ansible_distribution in ["CentOS","RedHat"] and not is_atomic
 
 - name: Copy yum.conf for editing