c12s-kubespray/roles/kubernetes-apps/ansible/templates/coredns-config.yml.j2
Andreas Krüger 7e195b06a6 Fix DNS loop when resolvconf_mode is set to host_resolvconf (#3390)
* Fix DNS loop when resolvconf_mode is set to host_resolvconf

* Make sure upstream_dns_servers is defined when using resolvconf_mode == 'host_resolvconf'

* Only set upstream dns servers on KubeDNS and CoreDNS if they are defined

* Only set upstream dns servers on KubeDNS and CoreDNS if they are defined
2018-10-08 07:08:51 -07:00

30 lines
853 B
Django/Jinja

---
apiVersion: v1
kind: ConfigMap
metadata:
name: coredns
namespace: kube-system
labels:
addonmanager.kubernetes.io/mode: EnsureExists
data:
Corefile: |
.:53 {
errors
health
kubernetes {{ dns_domain }} in-addr.arpa ip6.arpa {
pods insecure
{% if resolvconf_mode == 'host_resolvconf' and upstream_dns_servers is defined and upstream_dns_servers|length > 0 %}
upstream {{ upstream_dns_servers|join(' ') }}
{% else %}
upstream /etc/resolv.conf
{% endif %}
fallthrough in-addr.arpa ip6.arpa
}
prometheus :9153
{% if resolvconf_mode == 'host_resolvconf' and upstream_dns_servers is defined and upstream_dns_servers|length > 0 %}
proxy . {{ upstream_dns_servers|join(' ') }}
{% else %}
proxy . /etc/resolv.conf
{% endif %}
cache 30
}