Merge pull request #3200 from pablodav/feature/k8s_win_v1.11

Required support to start working on windows node support

roles/kubernetes/master/tasks/kubeadm-setup.yml

@@ -121,6 +121,7 @@
     --ignore-preflight-errors=all
     --allow-experimental-upgrades
     --allow-release-candidate-upgrades
+    --force
   register: kubeadm_upgrade
   # Retry is because upload config sometimes fails
   retries: 3

roles/kubernetes/node/templates/manifests/kube-proxy.manifest.j2

@@ -12,6 +12,9 @@ spec:
 {% if kube_version | version_compare('v1.6', '>=') %}
   dnsPolicy: ClusterFirst
 {% endif %}
+  # When having win nodes in cluster without this patch, this pod cloud try to be created in windows
+  nodeSelector:
+    beta.kubernetes.io/os: linux
   containers:
   - name: kube-proxy
     image: {{ hyperkube_image_repo }}:{{ hyperkube_image_tag }}

roles/kubernetes/node/templates/manifests/nginx-proxy.manifest.j2

@@ -7,6 +7,9 @@ metadata:
     k8s-app: kube-nginx
 spec:
   hostNetwork: true
+  # When having win nodes in cluster without this patch, this pod cloud try to be created in windows
+  nodeSelector:
+    beta.kubernetes.io/os: linux
   containers:
   - name: nginx-proxy
     image: {{ nginx_image_repo }}:{{ nginx_image_tag }}