[v17] Kubernetes: Handle GOAWAY requests#61255
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rosstimothy merged 2 commits intobranch/v17from Nov 17, 2025
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This is an attempt to address #57766. When a request is terminated because the upstream Kubernetes API Server GOAWAY chance is exceeded, clients are informed to retry by replying with a 429 status code and a Retry-After header. This deviates from the approaches taken in #57881 and #60695 to favor simplicity and avoid buffering request data in a teleport process. The downside to this approach is that it requires clients to properly handle retry requests.
espadolini
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Nov 12, 2025
smallinsky
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Nov 12, 2025
Follow up to #61142 which sets the response body so that clients which only look at the reason and not the headers will behave appropriately.
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Backport #61142 and #61264 to branch/v17
changelog: GOAWAY errors received from Kubernetes API Servers configured with a non-zero --goaway-chance are now forward to clients to be retried.