nodelocaldns: allow binding metrics address to host IP (#7748)
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4 changed files with 14 additions and 5 deletions
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@ -166,6 +166,7 @@ dns_mode: coredns
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enable_nodelocaldns: true
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enable_nodelocaldns: true
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nodelocaldns_ip: 169.254.25.10
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nodelocaldns_ip: 169.254.25.10
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nodelocaldns_health_port: 9254
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nodelocaldns_health_port: 9254
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nodelocaldns_bind_metrics_host_ip: false
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# nodelocaldns_external_zones:
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# nodelocaldns_external_zones:
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# - zones:
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# - zones:
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# - example.com
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# - example.com
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@ -17,7 +17,7 @@ data:
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loop
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loop
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bind {{ nodelocaldns_ip }}
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bind {{ nodelocaldns_ip }}
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forward . {{ block['nameservers'] | join(' ') }}
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forward . {{ block['nameservers'] | join(' ') }}
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prometheus :9253
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prometheus {% if nodelocaldns_bind_metrics_host_ip %}{$MY_HOST_IP}{% endif %}:9253
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log
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log
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{% if dns_etchosts | default(None) %}
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{% if dns_etchosts | default(None) %}
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hosts /etc/coredns/hosts {
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hosts /etc/coredns/hosts {
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@ -39,7 +39,7 @@ data:
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forward . {{ forwardTarget }} {
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forward . {{ forwardTarget }} {
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force_tcp
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force_tcp
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}
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}
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prometheus :9253
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prometheus {% if nodelocaldns_bind_metrics_host_ip %}{$MY_HOST_IP}{% endif %}:9253
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health {{ nodelocaldns_ip }}:{{ nodelocaldns_health_port }}
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health {{ nodelocaldns_ip }}:{{ nodelocaldns_health_port }}
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{% if dns_etchosts | default(None) %}
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{% if dns_etchosts | default(None) %}
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hosts /etc/coredns/hosts {
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hosts /etc/coredns/hosts {
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@ -56,7 +56,7 @@ data:
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forward . {{ forwardTarget }} {
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forward . {{ forwardTarget }} {
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force_tcp
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force_tcp
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}
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}
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prometheus :9253
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prometheus {% if nodelocaldns_bind_metrics_host_ip %}{$MY_HOST_IP}{% endif %}:9253
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}
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}
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ip6.arpa:53 {
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ip6.arpa:53 {
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errors
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errors
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@ -67,7 +67,7 @@ data:
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forward . {{ forwardTarget }} {
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forward . {{ forwardTarget }} {
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force_tcp
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force_tcp
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}
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}
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prometheus :9253
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prometheus {% if nodelocaldns_bind_metrics_host_ip %}{$MY_HOST_IP}{% endif %}:9253
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}
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}
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.:53 {
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.:53 {
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errors
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errors
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@ -76,7 +76,7 @@ data:
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loop
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loop
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bind {{ nodelocaldns_ip }}
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bind {{ nodelocaldns_ip }}
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forward . {{ upstreamForwardTarget }}
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forward . {{ upstreamForwardTarget }}
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prometheus :9253
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prometheus {% if nodelocaldns_bind_metrics_host_ip %}{$MY_HOST_IP}{% endif %}:9253
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{% if dns_etchosts | default(None) %}
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{% if dns_etchosts | default(None) %}
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hosts /etc/coredns/hosts {
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hosts /etc/coredns/hosts {
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fallthrough
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fallthrough
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@ -41,6 +41,13 @@ spec:
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args: [ "-localip", "{{ nodelocaldns_ip }}", "-conf", "/etc/coredns/Corefile", "-upstreamsvc", "coredns" ]
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args: [ "-localip", "{{ nodelocaldns_ip }}", "-conf", "/etc/coredns/Corefile", "-upstreamsvc", "coredns" ]
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securityContext:
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securityContext:
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privileged: true
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privileged: true
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{% if nodelocaldns_bind_metrics_host_ip %}
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env:
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- name: MY_HOST_IP
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valueFrom:
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fieldRef:
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fieldPath: status.hostIP
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{% endif %}
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ports:
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ports:
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- containerPort: 53
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- containerPort: 53
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name: dns
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name: dns
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@ -89,6 +89,7 @@ dns_mode: coredns
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enable_nodelocaldns: true
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enable_nodelocaldns: true
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nodelocaldns_ip: 169.254.25.10
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nodelocaldns_ip: 169.254.25.10
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nodelocaldns_health_port: 9254
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nodelocaldns_health_port: 9254
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nodelocaldns_bind_metrics_host_ip: false
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# Should be set to a cluster IP if using a custom cluster DNS
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# Should be set to a cluster IP if using a custom cluster DNS
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manual_dns_server: ""
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manual_dns_server: ""
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