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feat: Add grpc timeouts annotations (#11258)

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* ✨ feat: add grpc timeouts with proxy settings if backend is grpc

* 📝  docs: Documentation only changes

* 🐛 fix: uppercase for protocol

* 📝 docs: grpc timeouts example

* 📝 docs: add links and default values for proxy timeout

* 🧪 test: add e2e test for timeout

* 🐛 fix: upgrade to 1.0.6 to fix nil pointer

* 🐛 fix: lint

* 🧪 test: trigger ci
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Anddd7 2024-05-27 00:37:11 +08:00 • committed by GitHub
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docs/user-guide/nginx-configuration/annotations.md
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@ -698,6 +698,12 @@ In some scenarios is required to have different values. To allow this we provide
- `nginx.ingress.kubernetes.io/proxy-next-upstream-tries`
- `nginx.ingress.kubernetes.io/proxy-request-buffering`
If you indicate [Backend Protocol](#backend-protocol) as `GRPC` or `GRPCS`, the following grpc values will be set and inherited from proxy timeouts:
- [`grpc_connect_timeout=5s`](https://nginx.org/en/docs/http/ngx_http_grpc_module.html#grpc_connect_timeout), from `nginx.ingress.kubernetes.io/proxy-connect-timeout`
- [`grpc_send_timeout=60s`](https://nginx.org/en/docs/http/ngx_http_grpc_module.html#grpc_send_timeout), from `nginx.ingress.kubernetes.io/proxy-send-timeout`
- [`grpc_read_timeout=60s`](https://nginx.org/en/docs/http/ngx_http_grpc_module.html#grpc_read_timeout), from `nginx.ingress.kubernetes.io/proxy-read-timeout`
Note: All timeout values are unitless and in seconds e.g. `nginx.ingress.kubernetes.io/proxy-read-timeout: "120"` sets a valid 120 seconds proxy read timeout.
### Proxy redirect