0. 목적성
kind: GatewayClass
metadata:
name: internet // 인터넷망을 통한 게이트웨이 클래스 선언
spec:
controllerName: "istio/gateway-controller"
---
kind: GatewayClass
metadata:
name: private // 내부망을 통한 게이트웨이 클래스 선언
spec:
controllerName: "istio/gateway-controller"
apiVersion: gateway.networking.k8s.io/v1
kind: Gateway
metadata:
name: example-gateway
spec:
gatewayClassName: private // 위에 설정한 class의 이름
listeners: // hostname, port, protocol, termination, tls 설정
- name: http
protocol: HTTP
port: 80
cat <<EOT> kind-1node.yaml
kind: Cluster
apiVersion: kind.x-k8s.io/v1alpha4
nodes:
- role: control-plane
extraPortMappings:
- containerPort: 30000
hostPort: 30000
- containerPort: 30001
hostPort: 30001
- containerPort: 30002
hostPort: 30002
EOT
# Install KinD Cluster
kind create cluster --image kindest/node:v1.30.0 --config kind-1node.yaml --name myk8s
# 노드에 기본 툴 설치
docker exec -it myk8s-control-plane sh -c 'apt update && apt install tree psmisc lsof wget bsdmainutils bridge-utils net-tools dnsutils tcpdump ngrep iputils-ping git vim -y'
kubectl apply -f https://github.com/kubernetes-sigs/gateway-api/releases/download/v1.0.0/standard-install.yaml
**Install Glooctl Utility** : GLOOCTL is a command-line utility that allows users to view, manage, and debug Gloo Gateway deployments - [Link](https://docs.solo.io/gloo-edge/latest/installation/glooctl_setup/)
```bash
# [신규 터미널] 아래 bash 진입 후 glooctl 툴 사용
**docker exec -it myk8s-control-plane bash**
----------------------------------------
# Install Glooctl Utility
## glooctl install gateway # install gloo's function gateway functionality into the 'gloo-system' namespace
## glooctl install ingress # install very basic Kubernetes Ingress support with Gloo into namespace gloo-system
## glooctl install knative # install Knative serving with Gloo configured as the default cluster ingress
## curl -sL https://run.solo.io/gloo/install | sh
**curl -sL https://run.solo.io/gloo/install | GLOO_VERSION=v1.17.7 sh**
export PATH=$HOME/.gloo/bin:$PATH
# 버전 확인
**glooctl version**
----------------------------------------
```
watch -d kubectl get pod,svc,endpointslices,ep -n gloo-system
# Install Gloo Gateway
## --set kubeGateway.enabled=true: Kubernetes Gateway 기능을 활성화합니다.
## --set gloo.disableLeaderElection=true: Gloo의 리더 선출 기능을 비활성화합니다. (단일 인스턴스에서 Gloo를 실행 시 유용)
## --set discovery.enabled=false: 서비스 디스커버리 기능을 비활성화합니다.
helm repo add gloo https://storage.googleapis.com/solo-public-helm
helm repo update
helm install -n gloo-system gloo-gateway gloo/gloo \
--create-namespace \
--version 1.17.7 \
--set kubeGateway.enabled=true \
--set gloo.disableLeaderElection=true \
--set discovery.enabled=false
# Confirm that the Gloo control plane has successfully been deployed using this command
kubectl rollout status deployment/gloo -n gloo-system
# Install Httpbin Application
kubectl apply -f https://raw.githubusercontent.com/solo-io/solo-blog/main/gateway-api-tutorial/01-httpbin-svc.yaml
# 설치 확인
kubectl get deploy,pod,svc,endpointslices,sa -n httpbin
kubectl rollout status deploy/httpbin -n httpbin
# (옵션) NodePort 설정
cat <<EOF | kubectl apply -f -
apiVersion: v1
kind: Service
metadata:
labels:
app: httpbin
service: httpbin
name: httpbin
namespace: httpbin
spec:
type: NodePort
ports:
- name: http
port: 8000
targetPort: 80
nodePort: 30000
selector:
app: httpbin
EOF
// gateway 를 실제로 http listner에 Proxy를 external Access에 노출합니다.
// Configure Simple Routing with an HTTPRoute
kubectl apply -f https://raw.githubusercontent.com/solo-io/gloo-gateway-use-cases/main/gateway-api-tutorial/03-httpbin-route.yaml
kubectl get httproute -n httpbin
