Calico enable support for eBPF (#7618)

* Calico: align manifests with upstream

* allow enabling typha prometheus metrics

* Calico: enable eBPF support

* manage the kubernetes-services-endpoint configmap

* Calico: document the use of eBPF dataplane

* Calico: improve checks before deployment

* enforce disabling kube-proxy when using eBPF dataplane
* ensure calico_version is supported

roles/network_plugin/calico/templates/kubernetes-services-endpoint.yml.j2

@@ -0,0 +1,19 @@
+---
+apiVersion: v1
+kind: ConfigMap
+metadata:
+  namespace: kube-system
+  name: kubernetes-services-endpoint
+data:
+{% if calico_bpf_enabled %}
+{% if loadbalancer_apiserver is defined %}
+  KUBERNETES_SERVICE_HOST: "{{ apiserver_loadbalancer_domain_name }}"
+  KUBERNETES_SERVICE_PORT: "{{ loadbalancer_apiserver.port | default(kube_apiserver_port) }}"
+{%- elif use_localhost_as_kubeapi_loadbalancer|default(False)|bool %}
+  KUBERNETES_SERVICE_HOST: "127.0.0.1"
+  KUBERNETES_SERVICE_PORT: "{{ kube_apiserver_port }}"
+{%- else %}
+  KUBERNETES_SERVICE_HOST: "{{ first_kube_master }}"
+  KUBERNETES_SERVICE_PORT: "{{ kube_apiserver_port }}"
+{%- endif %}
+{% endif %}