Add the tag docker_conf.

tasks/docker_setup.yml

@@ -5,11 +5,13 @@
       template: src=docker-default.j2 dest={{ docker_defaults_file }} owner=root group=root mode=0644
       when: ansible_service_mgr != 'systemd'
       notify: Restart docker
+      tags: [ 'docker', 'docker_conf' ]
 
     - name: Install the Docker daemon config
       template: src=daemon.json.j2 dest=/etc/docker/daemon.json owner=root group=root mode=0644
       when: ansible_service_mgr != 'systemd'
       notify: Restart docker
+      tags: [ 'docker', 'docker_conf' ]
 
     - name: Create the docker service systemd directory
       file: dest=/etc/systemd/system/docker.service.d state=directory mode=0755