Ingress-Nginx

Ingress-Nginx

简介

Ingress-Nginx 是 Kubernetes 的 ingress controller，使用nginx 作为反向代理和负载均衡器。

部署

使用如下命令部署：

wget https://raw.githubusercontent.com/kubernetes/ingress-nginx/controller-v1.9.5/deploy/static/provider/cloud/deploy.yaml
mv deploy.yaml ingress-nginx-controller.yaml
sed -i 's#registry.k8s.io/ingress-nginx#registry.aliyuncs.com/google_containers#g' ingress-nginx-controller.yaml
sed -i 's#registry.aliyuncs.com/google_containers/controller#registry.aliyuncs.com/google_containers/nginx-ingress-controller#g' ingress-nginx-controller.yaml
kubectl apply -f ingress-nginx-controller.yaml

检查 pod 和 svc 状态：

kubectl get pods -n ingress-nginx
kubectl get svc -n ingress-nginx

注：在单节点部署的时候出现了外部 IP 绑定处于 Pending 的状况，使用如下命令进行了配置 kubectl patch svc ingress-nginx-controller -n ingress-nginx -p '{"spec": {"type": "LoadBalancer", "externalIPs":["xxx.xxx.xxx.xxx"]}}'

配置

有三种方法可以配置 NGINX：

• ConfigMap (全局)
• Annotations (独立)
• Custom template (高级)

Annotations 配置

样例如下：

apiVersion: networking.k8s.io/v1
kind: Ingress
metadata:
  labels:
    app: <name>
  name: <name>
  namespace: <namespace>
  annotations:
    nginx.org/proxy-connect-timeout: "75s"
    nginx.org/proxy-read-timeout: "75s"
spec:
  ingressClassName: nginx
  rules:
    - host: <host>
      http:
        paths:
          - backend:
              service:
                name: <service_name>
                port:
                  number: <port>
            path: /
            pathType: Prefix

参考资料

官方文档

部署说明

配置文档