Modify calico docker.service

roles/network_plugin/calico/templates/systemd-docker.service

@@ -12,9 +12,9 @@ Requires=docker.socket
 [Service]
 Type=notify
 {% if ansible_os_family == "RedHat" %}
-EnvironmentFile=-/etc/sysconfig/docker
-EnvironmentFile=-/etc/sysconfig/docker-network
-EnvironmentFile=-/etc/sysconfig/docker-storage
+EnvironmentFile=-/etc/default/docker
+EnvironmentFile=-/etc/default/docker-network
+EnvironmentFile=-/etc/docker/docker-storage
 {% elif ansible_os_family == "Debian" %}
 EnvironmentFile=-/etc/default/docker
 {% endif %}
@@ -23,7 +23,8 @@ ExecStart=/usr/bin/docker daemon \
           $OPTIONS \
           $DOCKER_STORAGE_OPTIONS \
           $DOCKER_NETWORK_OPTIONS \
-          $INSECURE_REGISTRY
+          $INSECURE_REGISTRY \
+          $DOCKER_OPTS
 LimitNOFILE=1048576
 LimitNPROC=1048576
 LimitCORE=infinity