GRPC Server:

Create a project with maven dependency

add proto file

run maven to generate class

Then run the server

GRPC Client:

Create a maven project with dependency

Take the proto file

In main method of the client class, use cloudGrpc (Grpc) to get stub. Look for stub in the implemented class, what kind of stub it is. Here is blocingstub.

and run the client.

Please refer screen shot to understand the workflow.

Install Bloomrpc client to test grpc:

1. Install choco in powershell
   

Set-ExecutionPolicy Bypass -Scope Process -Force; iex ((New-Object System.Net.WebClient).DownloadString('https://chocolatey.org/install.ps1'))

2. Install yarn
   

choco install yarn

3. https://github.com/uw-labs/bloomrpc
   

git clone https://github.com/uw-labs/bloomrpc.git
cd bloomrpc
npm install

4. Run following command from bloomrpc folder in two different command window:
   

npm run start-server-dev
npm run start-main-dev

Kubernetes Deployment

docker build -t grpc-service:v1 grpc-project/

docker build -t grpc-client:v1 grpc-client/

kubectl apply -f grpc_server.yaml kubectl apply -f grpc_client.yaml

Logs: