Add enableServicesElection env variable. (#9595)

docs/kube-vip.md

@@ -39,6 +39,12 @@ kube_vip_services_enabled: false
 [additional manual steps](https://kube-vip.io/docs/usage/cloud-provider/)
 are needed.
 
+If using [local traffic policy](https://kube-vip.io/docs/usage/kubernetes-services/#external-traffic-policy-kube-vip-v050):
+
+```yaml
+kube_vip_enableServicesElection: true
+```
+
 If using [ARP mode](https://kube-vip.io/docs/installation/static/#arp) :
 
 ```yaml

roles/kubernetes/node/defaults/main.yml

@@ -86,6 +86,7 @@ kube_vip_bgp_peerpass:
 kube_vip_bgp_peeras: 65000
 kube_vip_bgppeers:
 kube_vip_address:
+kube_vip_enableServicesElection: false
 
 # Requests for load balancer app
 loadbalancer_apiserver_memory_requests: 32M

roles/kubernetes/node/templates/manifests/kube-vip.manifest.j2

@@ -68,6 +68,10 @@ spec:
 {% endif %}
     - name: address
       value: {{ kube_vip_address | to_json }}
+{% if kube_vip_enableServicesElection %}
+    - name: enableServicesElection
+      value: "true"
+{% endif %}
     image: {{ kube_vip_image_repo }}:{{ kube_vip_image_tag }}
     imagePullPolicy: {{ k8s_image_pull_policy }}
     name: kube-vip