I can't deploy blue/green smoothly with GKE Ingress.

[kawataki-yoshika]

I installed argo-rollouts in GKE.
In ingress When I promote a blue/green deployment, it returns response code 502 for a few seconds.
Is there any way to fix this?

By the way, the AWS ALB was able to switch without generating any errors.

[harikrongali]

Even ALB, that issue is there and we have added a feature #1283 to resolve it.
And for GKE, similar changes are required. And we are looking for contribution on that front.
We will be adding feature in 1.2 #1453 that can fix the issue which will be agnostic to underlying Ingress provider.

[kawataki-yoshika]

Thanks for the answer.
I hope 1.2 will be great.

[soksov]

This problem still exists

After switching to the new hash to 'active-service', I get several 502 errors within 5-10 seconds with the message: failed_to_pick_backend