Add service-node-port-range parameter for kube-apiserver

roles/kubernetes/master/defaults/main.yml

@@ -26,6 +26,10 @@ kube_config_dir: /etc/kubernetes
 # change to 0.0.0.0 to enable insecure access from anywhere (not recommended)
 kube_apiserver_insecure_bind_address: 127.0.0.1
 
+# A port range to reserve for services with NodePort visibility.
+# Inclusive at both ends of the range.
+kube_apiserver_node_port_range: "30000-32767"
+
 # Logging directory (sysvinit systems)
 kube_log_dir: "/var/log/kubernetes"
 

roles/kubernetes/master/templates/manifests/kube-apiserver.manifest.j2

@@ -23,6 +23,7 @@ spec:
     - --apiserver-count={{ kube_apiserver_count }}
     - --admission-control=NamespaceLifecycle,LimitRanger,ServiceAccount,DefaultStorageClass,ResourceQuota
     - --service-cluster-ip-range={{ kube_service_addresses }}
+    - --service-node-port-range={{ kube_apiserver_node_port_range }}
     - --client-ca-file={{ kube_cert_dir }}/ca.pem
     - --basic-auth-file={{ kube_users_dir }}/known_users.csv
     - --tls-cert-file={{ kube_cert_dir }}/apiserver.pem