envoyproxy / envoyproxy/gateway
GKE unhealthy LB targets
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Description
Posting a question as I’m wondering if anybody else has had a similar experience.
*Description*:
If my gateway Deployment object, which manages my gateway, moves to a different node, the L4 GKE load balancer flags all instances as unhealthy. In this case, the gateway might still function, but the health check fails to detect it properly.
*Steps*:
Deploy a gateway and an HTTPRoute, then verify that the load balancer shows a healthy status (for one node).
Schedule the Deployment managed by the gateway onto another node.
Observe that the load balancer no longer has any healthy targets.
*Resolution*:
Delete the gateway resource and recreate it. This forces GCP to recreate the load balancer, resolving the issue.
[optional *Relevant Links*:]
https://github.com/envoyproxy/gateway/issues/5195
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