Add 3.3 protobuf config stanzas for master/node config.

roles/openshift_master/templates/master.yaml.v1.j2

@@ -131,7 +131,21 @@ kubernetesMasterConfig:
 {% endif %}
 masterClients:
 {# TODO: allow user to set externalKubernetesKubeConfig #}
+{% if openshift.common.version_gte_3_3_or_1_3 | bool %}
+  externalKubernetesClientConnectionOverrides:
+    acceptContentTypes: application/vnd.kubernetes.protobuf,application/json
+    contentType: application/vnd.kubernetes.protobuf
+    burst: 400
+    ops: 200
+{% endif %}
   externalKubernetesKubeConfig: ""
+{% if openshift.common.version_gte_3_3_or_1_3 | bool %}
+  openshiftLoopbackClientConnectionOverrides:
+    acceptContentTypes: application/vnd.kubernetes.protobuf,application/json
+    contentType: application/vnd.kubernetes.protobuf
+    burst: 600
+    ops: 300
+{% endif %}
   openshiftLoopbackKubeConfig: openshift-master.kubeconfig
 masterPublicURL: {{ openshift.master.public_api_url }}
 networkConfig:

roles/openshift_node/templates/node.yaml.v1.j2

@@ -12,6 +12,13 @@ imageConfig:
   latest: false
 kind: NodeConfig
 kubeletArguments: {{ openshift.node.kubelet_args | default(None) | to_padded_yaml(level=1) }}
+{% if openshift.common.version_gte_3_3_or_1_3 | bool %}
+masterClientConnectionOverrides:
+  acceptContentTypes: application/vnd.kubernetes.protobuf,application/json
+  contentType: application/vnd.kubernetes.protobuf
+  burst: 40
+  ops: 20
+{% endif %}
 masterKubeConfig: system:node:{{ openshift.common.hostname }}.kubeconfig
 {% if openshift.common.use_openshift_sdn %}
 networkPluginName: {{ openshift.common.sdn_network_plugin_name }}