Merge pull request #3202 from riverzhang/fix-ipvs

Fix ipvs by kubeadm v1alpha1

roles/kubernetes/master/templates/kubeadm-config.v1alpha1.yaml.j2

@@ -23,10 +23,16 @@ kubernetesVersion: {{ kube_version }}
 {% if cloud_provider is defined and cloud_provider not in ["gce", "oci"] %}
 cloudProvider: {{ cloud_provider }}
 {% endif %}
+{% if kube_proxy_mode == 'ipvs' %}
 kubeProxy:
   config:
-{% if kube_proxy_mode == 'ipvs' and kube_version | version_compare('v1.10', '<') %}
+{% if kube_version | version_compare('v1.10', '<') %}
     featureGates: SupportIPVSProxyMode=true
+{% endif %}
+{% if kube_version | version_compare('v1.10', '>=') %}
+    featureGates:
+      SupportIPVSProxyMode: true
+{% endif %}
     mode: ipvs
 {% endif %}
 {% if kube_proxy_nodeport_addresses %}