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

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apiVersion: v1
kind: ConfigMap
metadata:
name: nodelocaldns
namespace: kube-system
labels:
addonmanager.kubernetes.io/mode: EnsureExists
data:
Corefile: |
{% if nodelocaldns_external_zones is defined and nodelocaldns_external_zones|length > 0 %}
{% for block in nodelocaldns_external_zones %}
{{ block['zones'] | join(' ') }} {
errors
cache {{ block['cache'] | default(30) }}
reload
{% if block['rewrite'] is defined and block['rewrite']|length > 0 %}
{% for rewrite_match in block['rewrite'] %}
rewrite {{ rewrite_match }}
{% endfor %}
{% endif %}
loop
bind {{ nodelocaldns_ip }}
forward . {{ block['nameservers'] | join(' ') }}
prometheus {% if nodelocaldns_bind_metrics_host_ip %}{$MY_HOST_IP}{% endif %}:{{ nodelocaldns_prometheus_port }}
log
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{% if dns_etchosts | default(None) %}
hosts /etc/coredns/hosts {
fallthrough
}
{% endif %}
}
{% endfor %}
{% endif %}
{{ dns_domain }}:53 {
errors
cache {
success 9984 30
denial 9984 5
}
reload
loop
bind {{ nodelocaldns_ip }}
forward . {{ forwardTarget }} {
force_tcp
}
prometheus {% if nodelocaldns_bind_metrics_host_ip %}{$MY_HOST_IP}{% endif %}:{{ nodelocaldns_prometheus_port }}
health {{ nodelocaldns_ip }}:{{ nodelocaldns_health_port }}
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{% if dns_etchosts | default(None) %}
hosts /etc/coredns/hosts {
fallthrough
}
{% endif %}
}
in-addr.arpa:53 {
errors
cache 30
reload
loop
bind {{ nodelocaldns_ip }}
forward . {{ forwardTarget }} {
force_tcp
}
prometheus {% if nodelocaldns_bind_metrics_host_ip %}{$MY_HOST_IP}{% endif %}:{{ nodelocaldns_prometheus_port }}
}
ip6.arpa:53 {
errors
cache 30
reload
loop
bind {{ nodelocaldns_ip }}
forward . {{ forwardTarget }} {
force_tcp
}
prometheus {% if nodelocaldns_bind_metrics_host_ip %}{$MY_HOST_IP}{% endif %}:{{ nodelocaldns_prometheus_port }}
}
.:53 {
errors
cache 30
reload
loop
bind {{ nodelocaldns_ip }}
forward . {{ upstreamForwardTarget }}{% if dns_upstream_forward_extra_opts is defined %} {
{% for optname, optvalue in dns_upstream_forward_extra_opts.items() %}
{{ optname }} {{ optvalue }}
{% endfor %}
}{% endif %}
prometheus {% if nodelocaldns_bind_metrics_host_ip %}{$MY_HOST_IP}{% endif %}:{{ nodelocaldns_prometheus_port }}
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{% if dns_etchosts | default(None) %}
hosts /etc/coredns/hosts {
fallthrough
}
{% endif %}
}
{% if enable_nodelocaldns_secondary %}
Corefile-second: |
{% if nodelocaldns_external_zones is defined and nodelocaldns_external_zones|length > 0 %}
{% for block in nodelocaldns_external_zones %}
{{ block['zones'] | join(' ') }} {
errors
cache {{ block['cache'] | default(30) }}
reload
loop
bind {{ nodelocaldns_ip }}
forward . {{ block['nameservers'] | join(' ') }}
prometheus {% if nodelocaldns_bind_metrics_host_ip %}{$MY_HOST_IP}{% endif %}:{{ nodelocaldns_secondary_prometheus_port }}
log
{% if dns_etchosts | default(None) %}
hosts /etc/coredns/hosts {
fallthrough
}
{% endif %}
}
{% endfor %}
{% endif %}
{{ dns_domain }}:53 {
errors
cache {
success 9984 30
denial 9984 5
}
reload
loop
bind {{ nodelocaldns_ip }}
forward . {{ forwardTarget }} {
force_tcp
}
prometheus {% if nodelocaldns_bind_metrics_host_ip %}{$MY_HOST_IP}{% endif %}:{{ nodelocaldns_secondary_prometheus_port }}
health {{ nodelocaldns_ip }}:{{ nodelocaldns_second_health_port }}
{% if dns_etchosts | default(None) %}
hosts /etc/coredns/hosts {
fallthrough
}
{% endif %}
}
in-addr.arpa:53 {
errors
cache 30
reload
loop
bind {{ nodelocaldns_ip }}
forward . {{ forwardTarget }} {
force_tcp
}
prometheus {% if nodelocaldns_bind_metrics_host_ip %}{$MY_HOST_IP}{% endif %}:{{ nodelocaldns_secondary_prometheus_port }}
}
ip6.arpa:53 {
errors
cache 30
reload
loop
bind {{ nodelocaldns_ip }}
forward . {{ forwardTarget }} {
force_tcp
}
prometheus {% if nodelocaldns_bind_metrics_host_ip %}{$MY_HOST_IP}{% endif %}:{{ nodelocaldns_secondary_prometheus_port }}
}
.:53 {
errors
cache 30
reload
loop
bind {{ nodelocaldns_ip }}
forward . {{ upstreamForwardTarget }}{% if dns_upstream_forward_extra_opts is defined %} {
{% for optname, optvalue in dns_upstream_forward_extra_opts.items() %}
{{ optname }} {{ optvalue }}
{% endfor %}
}{% endif %}
prometheus {% if nodelocaldns_bind_metrics_host_ip %}{$MY_HOST_IP}{% endif %}:{{ nodelocaldns_secondary_prometheus_port }}
{% if dns_etchosts | default(None) %}
hosts /etc/coredns/hosts {
fallthrough
}
{% endif %}
}
{% endif %}
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{% if dns_etchosts | default(None) %}
hosts: |
{{ dns_etchosts | indent(width=4, first=False) }}
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{% endif %}