🖥️ 02. 로컬 K8S 클러스터 생성

  brew install kind
  

  choco install kind
  

  curl.exe -Lo kind-windows-amd64.exe https://kind.sigs.k8s.io/dl/v0.15.0/kind-windows-amd64
Move-Item .\kind-windows-amd64.exe c:\some-dir-in-your-PATH\kind.exe
  

  choco install kubectx
choco install kubens
  

  kind create cluster # Default cluster context 이름은 'kind' 로 생성
kind create cluster --name dangtong # cluster context 이름을 'dangtong' 으로 지정
  

  kind get clusters
kubectl cluster-info --context dangtong
  

  kind delete cluster

kind delete clusters kind-local-cluster
  

  kind create cluster --config kind-example-config.yaml
  

  # three node (two workers) cluster config
kind: Cluster
apiVersion: kind.x-k8s.io/v1alpha4
nodes:
- role: control-plane
- role: worker
- role: worker
  

  kind: Cluster
apiVersion: kind.x-k8s.io/v1alpha4
nodes:
- role: control-plane
- role: control-plane
- role: control-plane
- role: worker
- role: worker
- role: worker
  

  kind: Cluster
apiVersion: kind.x-k8s.io/v1alpha4
nodes:
- role: control-plane
  image: kindest/node:v1.16.4@sha256:b91a2c2317a000f3a783489dfb755064177dbc3a0b2f4147d50f04825d016f55
- role: worker
  image: kindest/node:v1.16.4@sha256:b91a2c2317a000f3a783489dfb755064177dbc3a0b2f4147d50f04825d016f55
  

  kind: Cluster
apiVersion: kind.x-k8s.io/v1alpha4
networking:
  podSubnet: "10.244.0.0/16"
  

  kind: Cluster
apiVersion: kind.x-k8s.io/v1alpha4
networking:
  serviceSubnet: "10.96.0.0/12"
  

  kind: Cluster
apiVersion: kind.x-k8s.io/v1alpha4
networking:
  # default CNI가 설치 되지 않습니다.
  disableDefaultCNI: true
  

  kind: Cluster
apiVersion: kind.x-k8s.io/v1alpha4
networking:
  kubeProxyMode: "ipvs"
  

  kind: Cluster
apiVersion: kind.x-k8s.io/v1alpha4
name: cwave-cluster
nodes:
- role: control-plane
  kubeadmConfigPatches:
  - |
    kind: InitConfiguration
    nodeRegistration:
      kubeletExtraArgs:
        node-labels: "ingress-ready=true"
  image: kindest/node:v1.32.5
  extraPortMappings:
  - containerPort: 80
    hostPort: 80
    protocol: TCP
  - containerPort: 443
    hostPort: 443
    protocol: TCP
- role: worker
  image: kindest/node:v1.32.5
- role: worker
  image: kindest/node:v1.32.5
networking:
  serviceSubnet: "10.120.0.0/16"
  podSubnet: "10.110.0.0/16"
  

  # 생성
kind create cluster  --config ./3-node-cluster.yml

# 삭제
kind delete cluster --name cwave-cluster
  

  kind get kubeconfig --internal --name cwave-cluster
  

  name: "aws-cicd-practice"
services:
  code-server:
    image: dangtong76/cicd-devops-ide:arm64-v2 
    container_name: "ide"
    networks: # 네트워크 항목 주석제거
      - kind_network 
    environment:
      AUTH: none
      #FILE__PASSWORD: /run/secrets/code-server-password
    env_file:
      - .env
    working_dir: /code
    ports:
      - "8080:8080" # istory-web
      - "1314:1314" # hugo port 1
      - "1315:1315" # hugo port 2
      - "8444:8443" # vscode service port
      - "5500:5500"
    # secrets:s
    #   - code-server-password
    volumes:
      - /var/run/docker.sock:/var/run/docker.sock
      - devops-cicd-apps:/code/devops-cicd-apps
      - devops-cicd-vscode:/config
networks: # 네트워크 항목 주석제거
  kind_network:
    name: kind
    external: true
volumes:
  devops-cicd-apps:
    external: true
    name: devops-cicd-apps
  devops-cicd-vscode:
    external: true
    name: devops-cicd-vscode
  

  docker network inspect kind # cwave-cluster-control-plane 의 IP주소 확인

vi ~/.kube/config
  

  apiVersion: v1
clusters:
- cluster:
    server: https://<cwave-cluster-control-plane 의 IP주소>:6443
  name: kind-cwave-cluster
  

  kubectl get no 

### 출력이 아래와 같은 형식으로 나오면 정상
root@85bed0161b08:~/.kube# kubectl get no
NAME                          STATUS   ROLES           AGE   VERSION
cwave-cluster-control-plane   Ready    control-plane   30m   v1.32.5
cwave-cluster-worker          Ready    <none>          30m   v1.32.5
cwave-cluster-worker2         Ready    <none>          30m   v1.32.5
  

  # kubectl 이용
kubectl apply -f https://raw.githubusercontent.com/metallb/metallb/v0.15.2/config/manifests/metallb-native.yaml

# helm 차트 이용
helm repo add metallb https://metallb.github.io/metallb
helm install metallb metallb/metallb
  

  apiVersion: metallb.io/v1beta1
kind: IPAddressPool
metadata:
  name: cwave-pool
  namespace: metallb-system
spec:
  addresses:
  - 192.168.247.100-192.168.247.110 # set by make target
---
apiVersion: metallb.io/v1beta1
kind: L2Advertisement
metadata:
  name: cwave-loadbalancer-advertisement
  namespace: metallb-system
spec:
  ipAddressPools:
  - cwave-pool
  

  cat <<EOF | kind create cluster --config=-
kind: Cluster
apiVersion: kind.x-k8s.io/v1alpha4
nodes:
- role: control-plane
  kubeadmConfigPatches:
  - |
    kind: InitConfiguration
    nodeRegistration:
      kubeletExtraArgs:
        node-labels: "ingress-ready=true"
  extraPortMappings:
  - containerPort: 80
    hostPort: 80
    protocol: TCP
  - containerPort: 443
    hostPort: 443
    protocol: TCP
EOF
  

  kubectl apply -f https://projectcontour.io/quickstart/contour.yaml
  

  kubectl patch daemonsets -n projectcontour envoy -p '{"spec":{"template":{"spec":{"nodeSelector":{"ingress-ready":"true"},"tolerations":[{"key":"node-role.kubernetes.io/control-plane","operator":"Equal","effect":"NoSchedule"},{"key":"node-role.kubernetes.io/master","operator":"Equal","effect":"NoSchedule"}]}}}}'
  

  kubectl apply -f https://raw.githubusercontent.com/Kong/kubernetes-ingress-controller/master/deploy/single/all-in-one-dbless.yaml
  

  kubectl patch deployment -n kong ingress-kong -p '{"spec":{"template":{"spec":{"containers":[{"name":"proxy","ports":[{"containerPort":8000,"hostPort":80,"name":"proxy","protocol":"TCP"},{"containerPort":8443,"hostPort":443,"name":"proxy-ssl","protocol":"TCP"}]}],"nodeSelector":{"ingress-ready":"true"},"tolerations":[{"key":"node-role.kubernetes.io/control-plane","operator":"Equal","effect":"NoSchedule"},{"key":"node-role.kubernetes.io/master","operator":"Equal","effect":"NoSchedule"}]}}}}'
  

  kubectl apply -f https://raw.githubusercontent.com/kubernetes/ingress-nginx/main/deploy/static/provider/kind/deploy.yaml
  

  kubectl wait --namespace ingress-nginx \
  --for=condition=ready pod \
  --selector=app.kubernetes.io/component=controller \
  --timeout=90s
  

  kind: Pod
apiVersion: v1
metadata:
  name: foo-app
  labels:
    app: foo
spec:
  containers:
  - name: foo-app
    image: hashicorp/http-echo:0.2.3
    args:
    - "-text=foo"
---
kind: Service
apiVersion: v1
metadata:
  name: foo-service
spec:
  selector:
    app: foo
  ports:
  # Default port used by the image
  - port: 5678
---
kind: Pod
apiVersion: v1
metadata:
  name: bar-app
  labels:
    app: bar
spec:
  containers:
  - name: bar-app
    image: hashicorp/http-echo:0.2.3
    args:
    - "-text=bar"
---
kind: Service
apiVersion: v1
metadata:
  name: bar-service
spec:
  selector:
    app: bar
  ports:
  # Default port used by the image
  - port: 5678
---
apiVersion: networking.k8s.io/v1
kind: Ingress
metadata:
  name: example-ingress
spec:
  rules:
  - http:
      paths:
      - pathType: Prefix
        path: "/foo"
        backend:
          service:
            name: foo-service
            port:
              number: 5678
      - pathType: Prefix
        path: "/bar"
        backend:
          service:
            name: bar-service
            port:
              number: 5678
---