1. Resource preparation

1. Pull the resource pack and unzip it

helm pull bitnami/nginx-ingress-controller   %拉取包
tar zxf nginx-ingress-controller-7.5.0.tgz   %解压（需要在/helm目录下）

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2. Pull related images

拉取nginx-ingress-controller镜像并上传到harbor仓库：
docker load -i nginx-ingress-controller-0.44.0.tar  %直接load -i 已经下载好的包
docker push reg.westos.org/bitnami/nginx-ingress-controller:0.44.0-debian-10-r28
docker push reg.westos.org/bitnami/nginx:1.19.8-debian-10-r6

拉取metallb相关镜像并上传到harbor仓库：
docker load -i metallb.tar     %直接load -i 已经下载好的包
docker tag metallb/speaker:v0.9.5 reg.westos.org/metallb/speaker:v0.9.5 
docker push reg.westos.org/metallb/speaker:v0.9.5
docker tag metallb/controller:v0.9.5 reg.westos.org/metallb/controller:v0.9.5
docker push reg.westos.org/metallb/controller:v0.9.5

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Two, nginx-ingress deployment

1. Edit the values.yaml file

global:            %指定全局
   imageRegistry: reg.westos.org   %harbor

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2. Install ipvsadm on each node

yum install -y ipvsadm

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3. Change to ipvs mode on the master node

kubectl edit configmap -n kube-system kube-proxy
strictARP: true
mode: "ipvs"

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kubectl get pod -n kube-system |grep kube-proxy | awk '{system("kubectl delete pod "$1" -n kube-system")}'   %重启容器使上述更改生效

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Three, metallb deployment

1. Edit metallb.yaml to create a namespace:

mkdir metallb
vim metallb.yaml:添加下述内容
kind: Namespace
metadata:
  name: metallb-system
  labels:
    app: metallb

kubectl apply -f metallb.yaml 
kubectl  create  secret generic -n metallb-system memberlist --from-literal=secretkey="$(openssl rand -base64 128)"

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2. Edit config.yaml and apply

apiVersion: v1
kind: ConfigMap
metadata:
  namespace: metallb-system
  name: config
data:
  config: |
    address-pools:       %地址池
    - name: default  
      protocol: layer2   %二层协议 
      addresses:
      - 172.25.1.100-172.25.1.200
kubectl apply -f config.yaml

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Four, installation

cd nginx-ingress-controller/
kubectl create namespace nginx-ingress-controller
helm install nginx-ingress-controller . -n nginx-ingress-controller 
kubectl -n nginx-ingress-controller get pod
kubectl -n nginx-ingress-controller get all