Use 443 until cluster-api is fixed (#77)

Use 443 as the apiserver port until cluster-api allows us to set a
different port instead of hard-coding it:

kubernetes-sigs#64

cmd/clusterctl/examples/openstack/provider-components.yaml.template

@@ -97,11 +97,15 @@ data:
         systemctl restart kubelet.service
 
         # Set up kubeadm config file to pass parameters to kubeadm init.
+        # We're using 443 until this bug is fixed
+        # https://github.com/kubernetes-sigs/cluster-api-provider-openstack/issues/64
         cat > /etc/kubernetes/kubeadm_config.yaml <<EOF
         apiVersion: kubeadm.k8s.io/v1alpha3
         kind: InitConfiguration
         bootstrapTokens:
         - token: ${TOKEN}
+        apiEndpoint:
+          bindPort: 443
         ---
         apiVersion: kubeadm.k8s.io/v1alpha3
         kind: ClusterConfiguration