创建ALB策略

# 下载策略文件
curl -O https://raw.githubusercontent.com/kubernetes-sigs/aws-load-balancer-controller/v2.13.3/docs/install/iam_policy.json

# 创建策略
aws iam create-policy \
    --policy-name AWSLoadBalancerControllerIAMPolicy \
    --policy-document file://iam_policy_cn.json

eksctl创建role关联策略

# 使用eksctl 创建 Amazon ALB CSI 插件 IAM 角色
eksctl create iamserviceaccount \
  --cluster=my-cluster \
  --namespace=kube-system \
  --name=aws-load-balancer-controller \
  --role-name AmazonEKSLoadBalancerControllerRole \
  --attach-policy-arn=arn:aws:iam::111122223333:policy/AWSLoadBalancerControllerIAMPolicy \
  --approve


Helm安装alb插件

# 添加alb的helm仓库
helm repo add eks https://aws.github.io/eks-charts
helm repo update

# 创建alb控制器
helm install aws-load-balancer-controller eks/aws-load-balancer-controller \
  -n kube-system \
  --set clusterName=my-cluster \
  --set serviceAccount.create=false \
  --set serviceAccount.name=aws-load-balancer-controller

测试demo

###下载测试文件
curl -O https://image-auto-scaleing.s3.cn-north-1.amazonaws.com.cn/2048_full.yaml
注意： 这个配置文件需要修改成自己的子网

###看日志
kubectl logs -f -n kube-system -l app.kubernetes.io/instance=aws-load-balancer-controller

###查看ingress
kubectl get ingress

###alb学习网站
https://aws.github.io/aws-eks-best-practices/networking/loadbalancing/loadbalancing/

###alb注解部分
https://kubernetes-sigs.github.io/aws-load-balancer-controller/v2.7/guide/ingress/annotations/

案例配置

apiVersion: apps/v1
kind: Deployment
metadata:
  name: nginx-app
  labels:
    app: nginx
spec:
  replicas: 3
  selector:
    matchLabels:
      app: nginx
  template:
    metadata:
      labels:
        app: nginx
    spec:
      containers:
      - name: nginx
        image: nginx:latest
        ports:
        - containerPort: 80
---
apiVersion: v1
kind: Service
metadata:
  name: nginx-svc
spec:
  selector:
    app: nginx
  ports:
    - protocol: TCP
      port: 80
      targetPort: 80
---
apiVersion: networking.k8s.io/v1
kind: Ingress
metadata:
  name: nginx-ingress
  annotations:
    alb.ingress.kubernetes.io/scheme: internet-facing
    alb.ingress.kubernetes.io/target-type: ip
    alb.ingress.kubernetes.io/listen-ports: '[{"HTTP": 80}, {"HTTPS": 443}]'
    alb.ingress.kubernetes.io/certificate-arn: "arn:aws:acm:us-east-1:893420598334:certificate/e12c3d71-2932-4406-a2c6-233aaf23d2ca"
    alb.ingress.kubernetes.io/subnets: "subnet-0a1c2b100ac0bc1f9,subnet-0322fa7a61e37d532,subnet-01c03cc8a7370200a"
    alb.ingress.kubernetes.io/actions.ssl-redirect: '{"Type": "redirect", "RedirectActionConfig": {"Protocol": "HTTPS", "Port": "443", "StatusCode": "HTTP_301"}}'
    alb.ingress.kubernetes.io/tags: owner=zhangruimeng@bosicloud.com
spec:
  ingressClassName: alb
  rules:
    - host: nginx.moriarty.link
      http:
        paths:
          - path: /
            pathType: Prefix
            backend:
              service:
                name: nginx-svc
                port:
                  number: 80


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自我判定（是/否）

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