[v13] Fix Kubernetes Legacy Proxy heartbeats#29738
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tigrato merged 2 commits intobranch/v13from Jul 28, 2023
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When a Teleport Kubernetes Proxy runs in legacy mode - i.e. - spec
enables `proxy_service.kubernetes.enabled`, the proxy is capable of
proxy requests to a target Kubernetes cluster instead of forwarding them
to a Teleport Kubernetes Service.
The following config enables the legacy proxy mode in proxy:
```yaml
proxy_service:
enabled: yes
web_listen_addr: 0.0.0.0:3080
public_addr: tele.local:3080
kubernetes:
enabled: yes
listen_addr: 0.0.0.0:3026
kubeconfig_file: path # optional
```
Because the proxy forwards and heartbeat the configured Kube clusters,
it needs permissions to upsert the kube cluster in auth's backend and
to extend its expiration date.
This PR fixes a problem that exists since Teleport 8 where the proxy
is allowed to upsert the kube server but it's not allowed to extend the
expiration time.
When the request fails, the proxy becomes in degraded state and the
performance is affected.
Signed-off-by: Tiago Silva <tiago.silva@goteleport.com>
espadolini
approved these changes
Jul 28, 2023
rosstimothy
approved these changes
Jul 28, 2023
Merged
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Backport #29733 to branch/v13