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cmd/k8s-operator: add DNS policy and config support to ProxyClass (#16887)

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DNS configuration support to ProxyClass, allowing users to customize DNS resolution for Tailscale proxy pods.

Fixes #16886

Signed-off-by: Raj Singh <raj@tailscale.com>
This commit is contained in:
Raj Singh
2025-09-30 05:33:50 -04:00
committed by GitHub
parent 9aa16bf97b
commit a45473c4c5
7 changed files with 154 additions and 0 deletions
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k8s-operator/api.md
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@@ -537,6 +537,8 @@ _Appears in:_
| `tolerations` _[Toleration](https://kubernetes.io/docs/reference/generated/kubernetes-api/v1.3/#toleration-v1-core) array_ | Proxy Pod's tolerations.<br />By default Tailscale Kubernetes operator does not apply any<br />tolerations.<br />https://kubernetes.io/docs/reference/kubernetes-api/workload-resources/pod-v1/#scheduling | | |
| `topologySpreadConstraints` _[TopologySpreadConstraint](https://kubernetes.io/docs/reference/generated/kubernetes-api/v1.3/#topologyspreadconstraint-v1-core) array_ | Proxy Pod's topology spread constraints.<br />By default Tailscale Kubernetes operator does not apply any topology spread constraints.<br />https://kubernetes.io/docs/concepts/scheduling-eviction/topology-spread-constraints/ | | |
| `priorityClassName` _string_ | PriorityClassName for the proxy Pod.<br />By default Tailscale Kubernetes operator does not apply any priority class.<br />https://kubernetes.io/docs/reference/kubernetes-api/workload-resources/pod-v1/#scheduling | | |
| `dnsPolicy` _[DNSPolicy](https://kubernetes.io/docs/reference/generated/kubernetes-api/v1.3/#dnspolicy-v1-core)_ | DNSPolicy defines how DNS will be configured for the proxy Pod.<br />By default the Tailscale Kubernetes Operator does not set a DNS policy (uses cluster default).<br />https://kubernetes.io/docs/concepts/services-networking/dns-pod-service/#pod-s-dns-policy | | Enum: [ClusterFirstWithHostNet ClusterFirst Default None] <br /> |
| `dnsConfig` _[PodDNSConfig](https://kubernetes.io/docs/reference/generated/kubernetes-api/v1.3/#poddnsconfig-v1-core)_ | DNSConfig defines DNS parameters for the proxy Pod in addition to those generated from DNSPolicy.<br />When DNSPolicy is set to "None", DNSConfig must be specified.<br />https://kubernetes.io/docs/concepts/services-networking/dns-pod-service/#pod-dns-config | | |
#### PortRange