c12s-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 30
        reload
        loop
        bind {{ nodelocaldns_ip }}
{% if secondaryclusterIP is defined and dns_mode == 'coredns_dual' %}
        forward . {{ clusterIP }} {{ secondaryclusterIP }} {
{% else %}
        forward . {{ clusterIP }} {
{% endif %}
                force_tcp
        }
        prometheus :9253
        health {{ nodelocaldns_ip }}:8080
        }
    in-addr.arpa:53 {
        errors
        cache 30
        reload
        loop
        bind {{ nodelocaldns_ip }}
{% if secondaryclusterIP is defined %}
        forward . {{ clusterIP }} {{ secondaryclusterIP }} {
{% else %}
        forward . {{ clusterIP }} {
{% endif %}
                force_tcp
        }
        prometheus :9253
        }
    ip6.arpa:53 {
        errors
        cache 30
        reload
        loop
        bind {{ nodelocaldns_ip }}
{% if secondaryclusterIP is defined %}
        forward . {{ clusterIP }} {{ secondaryclusterIP }} {
{% else %}
        forward . {{ clusterIP }} {
{% endif %}
             force_tcp
        }
        prometheus :9253
        }
    .:53 {
        errors
        cache 30
        reload
        loop
        bind {{ nodelocaldns_ip }}
{% if resolvconf_mode == 'host_resolvconf' and upstream_dns_servers is defined and upstream_dns_servers|length > 0 %}
        forward . {{ upstream_dns_servers|join(' ') }} {
{% else %}
        forward . /etc/resolv.conf {
{% endif %}
                force_tcp
        }
        prometheus :9253
        }