01-configmap-kubernetes-services-endpoint.yaml

# This ConfigMap sets the Kubernetes API server endpoint, required when 
# installing Calico on OpenShift with eBPF dataplane.
# If you are installing Calico on OpenShift with the Iptables dataplane, you can remove it.
kind: ConfigMap
apiVersion: v1
metadata:
  name: kubernetes-services-endpoint
  namespace: tigera-operator
data:
  # By default, the hostname is formed by concatenating the "api" prefix, the cluster name you typed
  # during the OpenShift initial configuration, and the base domain you selected in the same process. 
  # It could also point to the load balancer in front of the API server.
  KUBERNETES_SERVICE_HOST: "api.<cluster_name>.<base_domain>"
  # OpenShift typically uses port 6443 as the default for the Kubernetes Service.
  KUBERNETES_SERVICE_PORT: "6443"