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feat(kubernetes): add DNS endpoint support to GKE cluster locator (#33297)

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* feat(kubernetes): add DNS endpoint support to GKE cluster locator

Add endpointType config option to GkeClusterLocator allowing use of
DNS-based control plane endpoints instead of public IP endpoints.
When set to 'dns', the locator uses the cluster's DNS endpoint
(e.g. gke-<uid>.<region>.gke.goog) with fallback to public IP if
no DNS endpoint is available.

Signed-off-by: Rickard Dybeck <dybeck@spotify.com>

* fix: fix relevant AI review comments

Signed-off-by: Rickard Dybeck <dybeck@spotify.com>

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Signed-off-by: Rickard Dybeck <dybeck@spotify.com>
This commit is contained in:
Rickard Dybeck
2026-03-11 12:09:52 -04:00
committed by GitHub
parent 57fee86920
commit 6b6b5de514
5 changed files with 265 additions and 42 deletions
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.changeset/gke-dns-endpoint-support.md
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'@backstage/plugin-kubernetes-backend': patch
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Added `endpointType` config option to the GKE cluster locator, allowing use of DNS-based control plane endpoints instead of public IP endpoints. Set `endpointType: 'dns'` to use GKE DNS endpoints (e.g. `gke-<uid>.<region>.gke.goog`) which provide proper TLS certificates and IAM-based access control.