Docker Options Refactor

roles/docker/templates/docker-options.conf.j2

@@ -0,0 +1,2 @@
+[Service]
+Environment="DOCKER_OPTS={% if docker_options is defined %}{{ docker_options }}{% endif %}"

roles/docker/templates/docker.service.j2

@@ -11,24 +11,15 @@ Wants=docker.socket
 
 [Service]
 Type=notify
-{% if ansible_os_family == "RedHat" %}
-EnvironmentFile=-/etc/default/docker
-EnvironmentFile=-/etc/sysconfig/docker
-EnvironmentFile=-/etc/sysconfig/docker-network
-EnvironmentFile=-/etc/sysconfig/docker-storage
-{% elif ansible_os_family == "Debian" %}
-EnvironmentFile=-/etc/default/docker
-{% endif %}
 Environment=GOTRACEBACK=crash
 ExecReload=/bin/kill -s HUP $MAINPID
 Delegate=yes
 KillMode=process
 ExecStart=/usr/bin/docker daemon \
-          $OPTIONS \
+          $DOCKER_OPTS \
           $DOCKER_STORAGE_OPTIONS \
           $DOCKER_NETWORK_OPTIONS \
-          $INSECURE_REGISTRY \
-          $DOCKER_OPTS
+          $INSECURE_REGISTRY
 TasksMax=infinity
 LimitNOFILE=1048576
 LimitNPROC=1048576

roles/docker/templates/http-proxy.conf.j2

@@ -1,3 +1,2 @@
 [Service]
-
 Environment={% if http_proxy %}"HTTP_PROXY={{ http_proxy }}"{% endif %} {% if https_proxy %}"HTTPS_PROXY={{ https_proxy }}"{% endif %} {% if no_proxy %}"NO_PROXY={{ no_proxy }}"{% endif %}