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Having primary and backup backends in HTTP(s) load balancer

Posted on 06-08-2023 02:39 AM
Justas
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Reply posted on --/--/---- --:-- AM

I'm looking for a way to have two GKE clusters (primary and backup) in different regions and direct traffic to the backup cluster when the primary one is unreachable.

I found a way to create a HTTP(s) load balancer with a backend service that has instance groups in different regions, but I can't find a way to configure this backend service to direct traffic to a single backend when it is available. Adjusting rate or utilization does not seem to ensure that the request will be sent to the primary cluster. 

Someone has encountered a similar issue here.

Is there a way to do this with the GCP load balancing options? Maybe I missed it?

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