Using Kong Ingress Controller (KIC) for Kubernetes

Table of Contents

running grpc service

This is WIP demo based on blogpost. It generates random quotes (courtesy of Java Faker library) as rest call response.

the commands for demo

gcloud container clusters create my-kong-kic --num-nodes 3 --machine-type n1-standard-1 --zone us-east1-c   #(1)

./gradlew bootBuildImage --imageName gamussa/reactive-quote-service:0.0.3-SNAPSHOT    #(2)

docker push gamussa/reactive-quote-service:0.0.3-SNAPSHOT   #(3)

docker run -d -p 8080:8080 gamussa/reactive-quote-service:0.0.3-SNAPSHOT    #(4)
docker run -d -p 6565:6565 -e GRPC_ENABLED=true gamussa/reactive-quote-service:0.0.3-SNAPSHOT    #(5)

kubectl create -f https://bit.ly/k4k8s      #(6)

kubectl apply -f ./kubernetes       #(7)

Create Kubernetes cluster in GCP.
Build an image.
Push an image to Docker Hub.
Run microservice app locally.
Run gRPC service locally.
Install KIC.
Deploy apps, services, ingress.

running grpc service

grpcSecrets.sh

openssl req -x509 -nodes -subj "/CN=gamov.dev" -newkey rsa:4096 -sha256 -keyout server.key -out server.crt -days 3650

kubectl create secret generic grpc-cert-chain --from-file=server.crt=server.crt
kubectl create secret generic grpc-pk --from-file=server.key=server.key

scratch

 k create secret generic quotes-apikey --from-literal=kongCredType=key-auth --from-literal=key=secret-key #(1)

export PROXY_IP=`kgs --namespace kong kong-proxy -ojson | jq -r '.status.loadBalancer.ingress[0].ip'`   #(2)

create API key
get external IP

gAmUssA/quotes-service

Using Kong Ingress Controller (KIC) for Kubernetes

running grpc service