Merge pull request #282 from kubespray/clean_docker_templates

clean conditions into docker templates

roles/network_plugin/calico/templates/docker

 # Deployed by Ansible
-{% if ansible_service_mgr in ["sysvinit","upstart"] and kube_network_plugin == "flannel" and ansible_os_family == "Debian" %}
-DOCKER_OPTS="--bip={{ flannel_subnet }} --mtu={{ flannel_mtu }} {% if docker_options is defined %}{{ docker_options }}{% endif %}"
-{% elif kube_network_plugin == "flannel" and ansible_os_family == "RedHat" %}
-DOCKER_NETWORK_OPTIONS="--bip={{ flannel_subnet }} --mtu={{ flannel_mtu }} {% if docker_options is defined %}{{ docker_options }}{% endif %}"
-{% elif kube_network_plugin == "flannel" %}
-OPTIONS="--bip={{ flannel_subnet }} --mtu={{ flannel_mtu }} {% if docker_options is defined %}{{ docker_options }}{% endif %}"
-{% endif %}
+DOCKER_OPTS=""

roles/network_plugin/flannel/templates/docker

 # Deployed by Ansible
-{% if (ansible_service_mgr in ["sysvinit","upstart"] and kube_network_plugin == "flannel" and ansible_os_family == "Debian") or
-   (kube_network_plugin == "flannel" and ansible_os_family == "CoreOS") %}
+{% if (ansible_service_mgr in ["sysvinit","upstart"] and ansible_os_family == "Debian") or (ansible_os_family == "CoreOS") %}
 DOCKER_OPTS="--bip={{ flannel_subnet }} --mtu={{ flannel_mtu }} {% if docker_options is defined %}{{ docker_options }}{% endif %}"
-{% elif kube_network_plugin == "flannel" %}
+{% else %}
 OPTIONS="--bip={{ flannel_subnet }} --mtu={{ flannel_mtu }} {% if docker_options is defined %}{{ docker_options }}{% endif %}"
 {% endif %}