Minikube将在本地主机上运行的MySQL作为服务公开 [英] Minikube expose MySQL running on localhost as service

问题描述

我的机器上正在运行minikube v0.17.1版.我想模拟AWS中的环境，我的MySQL实例将在Kubernetes集群之外.

I have minikube version v0.17.1 running on my machine. I want to simulate the environment I will have in AWS, where my MySQL instance will be outside of my Kubernetes cluster.

基本上，如何将我的计算机上运行的本地MySQL实例公开给通过minikube运行的Kubernetes集群?

Basically, how can I expose my local MySQL instance running on my machine to the Kubernetes cluster running via minikube?

推荐答案

Kubernetes允许您创建不带选择器的服务，并且群集不会为此服务创建相关端点，此功能通常用于代理旧版组件或代理.外部组件.

Kubernetes allows you to create a service without selector, and cluster will not create related endpoint for this service, this feature is usually used to proxy a legacy component or an outside component.

1. 创建不带选择器的服务

1. Create a service without selector

apiVersion: v1
kind: Service
metadata:
    name: my-service
spec:
    ports:
        - protocol: TCP
          port: 1443
          targetPort: <YOUR_MYSQL_PORT>

创建一个相对的Endpoint对象

Create a relative Endpoint object

apiVersion: v1
kind: Endpoints
metadata:
    name: my-service
subsets:
    - addresses:
        - ip: <YOUR_MYSQL_ADDR>
      ports:
        - port: <YOUR_MYSQL_PORT>

获取服务IP

Get service IP

$ kubectl get svc my-service
NAME         CLUSTER-IP     EXTERNAL-IP   PORT(S)   AGE
my-service   <SERVICE_IP>   <none>        1443/TCP    18m

从服务<SERVICE_IP>:1443或my-service:1443

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