[v17] kube: fix transport being incorrectly cached by kube service#51652
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tigrato merged 1 commit intobranch/v17from Jan 30, 2025
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[v17] kube: fix transport being incorrectly cached by kube service#51652tigrato merged 1 commit intobranch/v17from
tigrato merged 1 commit intobranch/v17from
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PR #46899 introduced a subtle change in Kubernetes service behavior, where the direct transport—kube agent to Kubernetes API—is now cached for five hours. This disrupts auto-discovery because tokens are only valid for 15 minutes, while the HTTP transport that applies them remains valid for five hours. As a result, the Kubernetes service continues using the same expired token for 4 hours and 45 minutes. This PR resolves the issue by preventing token caching altogether. Fixes #51639 Signed-off-by: Tiago Silva <tiago.silva@goteleport.com>
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Backport #51640 to branch/v17
changelog: Fixes a regression that caused the Kubernetes Service to reuse expired tokens when accessing EKS, GKE and AKS clusters using dynamic credentials.