k8s安装metallb（L2）

开启ARP模式

kubectl edit configmap -n kube-system kube-proxy

修改如下信息

apiVersion: kubeproxy.config.k8s.io/v1alpha1
kind: KubeProxyConfiguration
mode: "ipvs"
ipvs:
  strictARP: true

安装MetalLB（L2）

kubectl apply -f https://raw.githubusercontent.com/metallb/metallb/v0.14.9/config/manifests/metallb-native.yaml

创建ip地址池
创建配置文件：ip-pool.yaml

apiVersion: metallb.io/v1beta1
kind: IPAddressPool
metadata:
  name: ip-pool
  namespace: metallb-system
spec:
  addresses:
    - 10.211.55.200-10.211.55.250

kubectl apply -f ip-pool.yaml

创建配置文件：l2Advertise.yaml

apiVersion: metallb.io/v1beta1
kind: L2Advertisement
metadata:
  name: l2adver
  namespace: metallb-system
spec:
  ipAddressPools:
    - ip-pool

kubectl apply -f l2Advertise.yaml

测试
nginx-deployment.yaml

apiVersion: apps/v1
kind: Deployment
metadata:
  name: nginx-deployment
spec:
  replicas: 3
  selector:
    matchLabels:
      app: nginx
  template:
    metadata:
      labels:
        app: nginx
    spec:
      containers:
      - name: nginx
        image: nginx:latest
        ports:
        - containerPort: 80

nginx-service.yaml

apiVersion: v1
kind: Service
metadata:
  name: nginx-service
spec:
  type: LoadBalancer
  selector:
    app: nginx
  ports:
    - protocol: TCP
      port: 80
      targetPort: 80

kubectl apply -f nginx-deployment.yaml
kubectl apply -f nginx-service.yaml

清理现场

kubectl delete -f nginx-deployment.yaml
kubectl delete -f nginx-service.yaml