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README

gRPC Echo

A go gRPC server with mTLS (for encryption and authentication) that echos back any message you supply it

Requirements

• Go 1.12
• protoc compiler + gRPC go plugin (if generating protos; see https://grpc.io/docs/tutorials/basic/go/)

Getting Started

Running Server

make go-server

Sending server a message

make go-client MESSAGE="hello"

Running tests

make go-test

Generating new TLS CA and Keys

Install certstrap found here https://github.com/square/certstrap

Delete the folder tls and remove existing certs and CA files

certstrap --depot-path "tls" init --common-name "Echo CA"
certstrap --depot-path "tls" request-cert --common-name Client -ip "127.0.0.1"
certstrap --depot-path "tls" sign Client --CA "Echo CA"