Fix param names in preparation for Kubernetes v1.9.0 (#2098)

This does not update v1.9.0, but fixes two incompatibilities
when trying to deploy v1.9.0.

roles/kubernetes/master/defaults/main.yml

@@ -48,7 +48,12 @@ kube_apiserver_admission_control:
   - LimitRanger
   - ServiceAccount
   - DefaultStorageClass
-  - GenericAdmissionWebhook
+  - >-
+      {%- if kube_version | version_compare('v1.9', '<') -%}
+      GenericAdmissionWebhook
+      {%- else -%}
+      ValidatingAdmissionWebhook
+      {%- endif -%}
   - ResourceQuota
 
 # extra runtime config

roles/kubernetes/node/templates/kubelet.kubeadm.env.j2

@@ -56,7 +56,7 @@ KUBELET_HOSTNAME="--hostname-override={{ kube_override_hostname }}"
 
 KUBELET_ARGS="{{ kubelet_args_base }} {{ kubelet_args_dns }} {{ kubelet_reserve }}"
 {% if kube_network_plugin is defined and kube_network_plugin in ["calico", "canal", "flannel", "weave", "contiv"] %}
-KUBELET_NETWORK_PLUGIN="--network-plugin=cni --network-plugin-dir=/etc/cni/net.d --cni-bin-dir=/opt/cni/bin"
+KUBELET_NETWORK_PLUGIN="--network-plugin=cni --cni-conf-dir=/etc/cni/net.d --cni-bin-dir=/opt/cni/bin"
 {% elif kube_network_plugin is defined and kube_network_plugin == "cloud" %}
 KUBELET_NETWORK_PLUGIN="--hairpin-mode=promiscuous-bridge --network-plugin=kubenet"
 {% endif %}

roles/kubernetes/node/templates/kubelet.standard.env.j2

@@ -77,7 +77,7 @@ KUBELET_HOSTNAME="--hostname-override={{ kube_override_hostname }}"
 
 KUBELET_ARGS="{{ kubelet_args_base }} {{ kubelet_args_dns }} {{ kubelet_args_kubeconfig }} {{ kubelet_reserve }} {{ node_labels }} {% if kube_feature_gates %} --feature-gates={{ kube_feature_gates|join(',') }} {% endif %} {% if kubelet_custom_flags is string %} {{kubelet_custom_flags}} {% else %}{% for flag in kubelet_custom_flags %} {{flag}} {% endfor %}{% endif %}"
 {% if kube_network_plugin is defined and kube_network_plugin in ["calico", "canal", "flannel", "weave", "contiv"] %}
-KUBELET_NETWORK_PLUGIN="--network-plugin=cni --network-plugin-dir=/etc/cni/net.d --cni-bin-dir=/opt/cni/bin"
+KUBELET_NETWORK_PLUGIN="--network-plugin=cni --cni-conf-dir=/etc/cni/net.d --cni-bin-dir=/opt/cni/bin"
 {% elif kube_network_plugin is defined and kube_network_plugin == "weave" %}
 DOCKER_SOCKET="--docker-endpoint=unix:/var/run/weave/weave.sock"
 {% elif kube_network_plugin is defined and kube_network_plugin == "cloud" %}