ingress-nginx

下载资源文件，并修改

#  curl -k https://raw.githubusercontent.com/kubernetes/ingress-nginx/main/deploy/static/provider/baremetal/deploy.yaml -o deploy.yaml
## 修改三处镜像拉取地址为国内地址，修改nodePort为LoadBalancer
# vim deploy.yaml
#image: registry.k8s.io/ingress-nginx/controller:v1.9.4@sha256:5b161f051d017e55d358435f295f5e9a297e66158f136321d9b04520ec6c48a3
image: registry.cn-hangzhou.aliyuncs.com/google_containers/nginx-ingress-controller:v1.9.4
        
#image: registry.k8s.io/ingress-nginx/kube-webhook-certgen:v20231011-8b53cabe0@sha256:a7943503b45d552785aa3b5e457f169a5661fb94d82b8a3373bcd9ebaf9aac80
image: registry.cn-hangzhou.aliyuncs.com/google_containers/kube-webhook-certgen:v20231011-8b53cabe0
        
#image: registry.k8s.io/ingress-nginx/kube-webhook-certgen:v20231011-8b53cabe0@sha256:a7943503b45d552785aa3b5e457f169a5661fb94d82b8a3373bcd9ebaf9aac80
image: registry.cn-hangzhou.aliyuncs.com/google_containers/kube-webhook-certgen:v20231011-8b53cabe0

spec:
  ipFamilies:
  - IPv4
  ipFamilyPolicy: SingleStack
  ports:
  - appProtocol: http
    name: http
    port: 80
    protocol: TCP
    targetPort: http
  - appProtocol: https
    name: https
    port: 443
    protocol: TCP
    targetPort: https
  selector:
    app.kubernetes.io/component: controller
    app.kubernetes.io/instance: ingress-nginx
    app.kubernetes.io/name: ingress-nginx
  type: LoadBalancer

# kubectl apply -f deploy.yaml
# kubectl get pods -n ingress-nginx
NAME                                        READY   STATUS      RESTARTS   AGE
ingress-nginx-admission-create-6qxhs        0/1     Completed   0          5m21s
ingress-nginx-admission-patch-pgtgc         0/1     Completed   2          5m21s
ingress-nginx-controller-55fb8d8b9b-twjwq   1/1     Running     0          5m21s

基于名称的负载均衡

# vim nginx.yaml
apiVersion: apps/v1
kind: Deployment
metadata:
  name: nginx
  namespace: ingress-nginx
spec:
  replicas: 2
  selector:
    matchLabels:
      app: nginx
  template:
    metadata:
      labels:
        app: nginx
    spec:
      containers:
      - name: c1
        image: nginx:1.15-alpine
        imagePullPolicy: IfNotPresent

# kubectl apply -f nginx.yaml 

# vim nginx-service.yaml
apiVersion: v1
kind: Service
metadata:
  name: nginx-service
  namespace: ingress-nginx
  labels:
    app: nginx
spec:
  ports:
  - port: 80
    targetPort: 80
  selector:
    app: nginx

# kubectl apply -f nginx-service.yaml 

# vim ingress-nginx.yml
apiVersion: networking.k8s.io/v1
kind: Ingress
metadata:
  name: ingress-nginx
  namespace: ingress-nginx
  annotations:
    ingressclass.kubernetes.io/is-default-class: "true"
    kubernetes.io/ingress.class: nginx
spec:
  rules:
  - host: www.kubemsb.com
    http:
      paths:
      - pathType: Prefix
        path: "/"
        backend:
          service:
            name: nginx-service
            port:
              number: 80


# kubectl get ingress -n ingress-nginx
# kubectl apply -f ingress-nginx.yml 
# kubectl get ingress -n ingrss-nginx
# curl www.kubemsb.com