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kumahq / kuma

🐻 The multi-zone service mesh for containers, Kubernetes and VMs. Built with Envoy. CNCF Sandbox Project.
https://kuma.io/install
Apache License 2.0
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automatic protocol selection #2184

Open nikita15p opened 3 years ago

nikita15p commented 3 years ago

Summary

Can we leverage envoy's http inspector (Reference: https://www.envoyproxy.io/docs/envoy/latest/configuration/listeners/listener_filters/http_inspector). So that kuma automatically inspects and applies protocol HTTP and HTTP/2 traffic on inbound and outbound ports. And in case protocol is not determined automatically, it can be treated as plain TCP traffic.

Kuma Reference: https://kuma.io/docs/1.2.0/policies/protocol-support-in-kuma/

jakubdyszkiewicz commented 3 years ago

The only downside I can see is that the config will be much bigger, but I would definitely want to see this feature in Kuma.

lahabana commented 3 years ago

One possibility as well is to add a list of well known ports that pick the right protocol. Though this might just bite us back in troubleshooting.

github-actions[bot] commented 2 years ago

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lahabana commented 2 years ago

With reachable proxy the configuration might not be that big.

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github-actions[bot] commented 2 years ago

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lahabana commented 2 years ago

FWIW while this is a default in istio the performance impact is so that it's not recommended in prod

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