consulAgent:
  repository: consul
  tag: 1.2.3
  pullPolicy: IfNotPresent
  # If you set join to a consul server endpoint, a consul agent will
  # be started in the vault pod.  If unset, no agent container is
  # deployed.
  join: consul1-k8s.service.consul
  #
  # If your consul server uses encrypted gossip, specify the secret
  # name here.  Format should match the stable/consul chart.
  gossipKeySecretName: consul1-k8s-gossip-key

PS C:Usersarunkumar.anandhanDownloadscharts1vault> kubectl logs
vault1-k8s-vault-dd5c8b44d-5s54m -n vault -c vault-consul-agent
==> Starting Consul agent...
WARNING: LAN keyring exists but -encrypt given, using keyring
==> Joining cluster...
==> 1 error(s) occurred:

* Failed to resolve consul.service.consul: lookup consul1-k8s.service.consul on 172.20.*.*:*: no such host