Hello peeps I just posted this to twitter and wanted to also

Question

Hello peeps I just posted this to twitter and wanted to also ask here gt Twitter peeps I need help gt gt I have an <http ASP NET> Core Host serving gRPC endpoints up This host is hosted in Kubernetes behind a nginx ingress controller Ingress Controller terminates HTTPS For the life of me I cannot get to the gRPC service endpoints gt gt I m hoping to find someone whom I can talk to or point me at examples My google foo for this is failing terribly gt gt Thanks in advance

billowy-army-68599 · Answer

Did you annotate the service with the backend protocol annotation

ancient-megabyte-79588 · Answer

``` name DOTNET SYSTEM NET HTTP SOCKETSHTTPHANDLER HTTP2UNENCRYPTEDSUPPORT value true ```

ancient-megabyte-79588 · Answer

Hold on there is more

ancient-megabyte-79588 · Answer

```apps push new appInstruction AppIngressInstructions `releases api` env 80 true <http nginx ingress kubernetes io backend protocol|nginx ingress kubernetes io backend protocol> GRPC ```

ancient-megabyte-79588 · Answer

important part is the additional annotation ` <http nginx ingress kubernetes io backend protocol|nginx ingress kubernetes io backend protocol> GRPC `

billowy-army-68599 · Answer

Okay is the ingress serving correctly ie if you use grpccurl does it work

ancient-megabyte-79588 · Answer

I did not annotate the actual `service` resource that annotation above is for nginx ingress rules

billowy-army-68599 · Answer

What exactly isn t working

ancient-megabyte-79588 · Answer

I am trying to use `grpcui` to connect and I m not able to connected to the services

ancient-megabyte-79588 · Answer

I haven t tried a `grpccurl` test yet

ancient-megabyte-79588 · Answer

when I use `grpcui` against a version of the service running in Visual Studio on localhost I can connect and invoke methods on the service

ancient-megabyte-79588 · Answer

I feel it is best to present my basic steps Hopefully that is more informative 1 Create Core GRPC Service Leave the default greet proto file in place 2 `Install Package Grpc AspNetCore Server Reflection` 3 Add `services AddGrpcReflection ` and `endpoints MapGrpcReflectionService ` to Startup cs 4 Run app in Visual Studio 5 Test with `grpcurl d name Say Hello localhost 5001 greet Greeter SayHello` Successful response 6 Build and deploy docker image via AzDO Pipelines to private Azure ACR 7 Env var on container `spec` in pulumi app a ` name ASPNETCORE ENVIRONMENT value Development ` b ` name DOTNET SYSTEM NET HTTP SOCKETSHTTPHANDLER HTTP2UNENCRYPTEDSUPPORT value true ` c ` name ASPNETCORE URLS value http + 5000 ` 8 ports on `Service` resource in pulumi app d `ports port 5000 targetPort 5000 protocol consts tcpTransport ` 9 `Ingress` resource created in pulumi app with e ` GRPCS` annotation 10 `grpcurl plaintext d name Say Hello lt pod ip gt 5000 greet Greeter SayHello` succeeds going directly to pod via Azure CNI networking 11 Port foward pod to local host via k9s 12 `grpcurl plaintext d name Say Hello localhost 8090 greet Greeter SayHello` succeeds 13 `grpcurl d name Say Hello lt public dns entry gt 443 greet Greeter SayHello` fails f Failed to dial target host lt public dns entry gt 443 context deadline exceeded 14 nginx ingress controller pod logs following 4 attempts g lt inbound IP Address gt 11 May 2021 13 03 04 +0000 PRI HTTP 2 0 400 157 15 `grpcurl d name Say Hello lt public dns entry gt 80 greet Greeter SayHello` fails h Failed to dial target host lt public dns entry gt 80 tls first record does not look like a TLS handshake i no logs to ingress controller pod 16 `grpcurl d name Say Hello lt public dns entry gt 5000 greet Greeter SayHello` fails j Failed to dial target host lt public dns entry gt 5000 context deadline exceeded k no logs to ingress controller pod