Proxy grpc with caddy (ultimate goal: cisco telemetry -> caddy proxy -> telegraf -> disk store metrics)

drio · March 17, 2023, 1:22pm

Thank you, Francis.

I modified the client to talk TLS:

	// BEFORE
	//conn, err := grpc.Dial(*addr, grpc.WithTransportCredentials(insecure.NewCredentials()))
        // AFTER
	certFile := "/Users/drio/Library/Application Support/Caddy/pki/authorities/local/root.crt"
	creds, _ := credentials.NewClientTLSFromFile(certFile, "")
	conn, err := grpc.Dial(*addr, grpc.WithTransportCredentials(creds))

And now :

➜ go run greeter_client/main.go --addr localhost:443
2023/03/17 09:21:37 Greeting: Hello world