Rename CoreOS fact

Signed-off-by: Bogdan Dobrelya <bogdando@mail.ru>

roles/network_plugin/calico/rr/meta/main.yml

@@ -1,6 +1,6 @@
 dependencies:
   - role: etcd
   - role: docker
-    when: ansible_os_family != "CoreOS"
+    when: ansible_os_family != "Container Linux by CoreOS"
   - role: download
     file: "{{ downloads.calico_rr }}"

roles/network_plugin/flannel/handlers/main.yml

@@ -20,7 +20,7 @@
   service:
     name: docker.socket
     state: restarted
-  when: ansible_os_family == 'CoreOS'
+  when: ansible_os_family == 'Container Linux by CoreOS'
 
 - name: Flannel | reload docker
   service:

roles/network_plugin/flannel/templates/flannel-options.conf.j2

@@ -1,5 +1,5 @@
 [Service]
-{% if ansible_os_family == "CoreOS" %}
+{% if ansible_os_family == "Container Linux by CoreOS" %}
 Environment="DOCKER_OPT_BIP=--bip={{ flannel_subnet }} --mtu={{ flannel_mtu }}"
 {% else %}
 Environment="DOCKER_NETWORK_OPTIONS=--bip={{ flannel_subnet }} --mtu={{ flannel_mtu }}"