skipper: do not use service account with routesrv

Skipper does not need to access Kubernetes API when it uses routesrv.

Signed-off-by: Alexander Yastrebov <[email protected]>

Author: AlexanderYastrebov

cluster/manifests/skipper/deployment.yaml

@@ -79,7 +79,9 @@ spec:
               parent-resource-hash: 71556441059f2d033fb06b1e73df03598c7ecaa6
 {{- end }}
       priorityClassName: "{{ .Cluster.ConfigItems.system_priority_class }}"
+{{ if ne .Cluster.ConfigItems.skipper_routesrv_enabled "exec" }}
       serviceAccountName: skipper-ingress
+{{ end }}
       terminationGracePeriodSeconds: {{ .Cluster.ConfigItems.skipper_termination_grace_period }}
       dnsPolicy: ClusterFirstWithHostNet
       hostNetwork: true