kubespray/roles/kubernetes-apps/ansible/templates/nodelocaldns-config.yml.j2

apiVersion: v1
kind: ConfigMap
metadata:
  name: nodelocaldns
  namespace: kube-system
  labels:
    addonmanager.kubernetes.io/mode: EnsureExists

data:
  Corefile: |
    {{ dns_domain }}:53 {
        errors
        cache {
            success 9984 30
            denial 9984 5
        }
        reload
        loop
        bind {{ nodelocaldns_ip }}
        forward . {{ forwardTarget }} {
            force_tcp
        }
        prometheus :9253
        health {{ nodelocaldns_ip }}:8080
    }
    in-addr.arpa:53 {
        errors
        cache 30
        reload
        loop
        bind {{ nodelocaldns_ip }}
        forward . {{ forwardTarget }} {
            force_tcp
        }
        prometheus :9253
    }
    ip6.arpa:53 {
        errors
        cache 30
        reload
        loop
        bind {{ nodelocaldns_ip }}
        forward . {{ forwardTarget }} {
            force_tcp
        }
        prometheus :9253
    }
    .:53 {
        errors
        cache 30
        reload
        loop
        bind {{ nodelocaldns_ip }}
        forward . {{ upstreamForwardTarget }}
        prometheus :9253
    }