envoyproxy/envoy

Bypass Ratelimit service , if Ratelimit svc healthcheck fails

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#22.398 aperta il 26 lug 2022

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NOTE : This is not an issue . I am asking for a solution if anyone has implemented. I did not find any community group where I will ask for the solution. So posting here.

Hi All, My applications are running in Kubernets with ISTIO . I working on implementing ratelimiting using Envoy Filters.

I have deployed the Ratelimit service and Redis . http_health_check is configured for Ratelimit service and Redis healthcheck is implemented using REDIS_HEALTH_CHECK_ACTIVE_CONNECTION=true

We are facing an issue where , if Ratelimit service or Redis is down then latency is increased by the timeout configured for Ratelimit or Redis.

we are looking for a solution where : If the Ratelimit service is DOWN , then Envoy will not reach ratelimit service. It will bypass it and directly call the upstream.

Looking for suggestions and guidance .

Guida contributor