发布一个k8s部署视频：https://edu.csdn.net/course/detail/26967

课程内容：各种k8s部署方式。包括minikube部署，kubeadm部署，kubeasz部署，rancher部署，k3s部署。包括开发测试环境部署k8s，和生产环境部署k8s。

腾讯课堂连接地址https://ke.qq.com/course/478827?taid=4373109931462251&tuin=ba64518

第二个视频发布 https://edu.csdn.net/course/detail/27109

介绍主要的k8s资源的使用配置和命令。包括configmap，pod，service，replicaset，namespace，deployment，daemonset，ingress，pv，pvc，sc，role，rolebinding，clusterrole，clusterrolebinding，secret，serviceaccount，statefulset，job，cronjob，podDisruptionbudget，podSecurityPolicy,networkPolicy,resourceQuota，limitrange，endpoint，event，conponentstatus，node，apiservice，controllerRevision等

第三个视频发布：https://edu.csdn.net/course/detail/27574

详细介绍helm命令，学习helm chart语法，编写helm chart。深入分析各项目源码，学习编写helm插件

第四个课程发布：https://edu.csdn.net/course/detail/28488

本课程将详细介绍k8s所有命令，以及命令的go源码分析，学习知其然，知其所以然

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Endpoint:

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•endpoint是k8s集群中的一个资源对象，存储在etcd中，用来记录一个service对应的所有pod的访问地址。

自动endpoint:

[root@master01 svc]# cat ./*
apiVersion: v1
kind: Pod
metadata:
  name: nginx-01
  labels:
    app: nginx
spec:
  containers:
  - name: nginx
    image: nginx
    ports:
    - containerPort: 80        

apiVersion: v1
kind: Pod
metadata:
  name: nginx-02
  labels:
    app: nginx
spec:
  containers:
  - name: nginx
    image: nginx
    ports:
    - containerPort: 80        

apiVersion: v1
kind: Pod
metadata:
  name: nginx-03
  labels:
    app: nginx
spec:
  containers:
  - name: nginx
    image: nginx
    ports:
    - containerPort: 80        

apiVersion: v1
kind: Service
metadata:
  name: nginx-clusterip-svc
spec:
 selector:  
   app: nginx
 type: ClusterIP
 ports:
 -  name: http
    port: 8000      
    targetPort: 80

[root@master01 svc]# kubectl get endpoints  nginx-clusterip-svc -ntest -o yaml
apiVersion: v1
kind: Endpoints
metadata:
  annotations:
    endpoints.kubernetes.io/last-change-trigger-time: "2020-01-16T11:10:26+08:00"
  creationTimestamp: "2020-01-16T03:10:16Z"
  name: nginx-clusterip-svc
  namespace: test
  resourceVersion: "61585"
  selfLink: /api/v1/namespaces/test/endpoints/nginx-clusterip-svc
  uid: 09bad5a7-b858-4438-978b-57b9a8c5a787
subsets:
- addresses:
  - ip: 172.20.0.14
    nodeName: 192.168.198.155
    targetRef:
      kind: Pod
      name: nginx-03
      namespace: test
      resourceVersion: "61576"
      uid: be10871d-4744-4764-aaa7-70770d307806
  - ip: 172.20.1.21
    nodeName: 192.168.198.154
    targetRef:
      kind: Pod
      name: nginx-02
      namespace: test
      resourceVersion: "61582"
      uid: 62856668-e432-4669-b76b-ab401392e0ec
  - ip: 172.20.2.26
    nodeName: 192.168.198.156
    targetRef:
      kind: Pod
      name: nginx-01
      namespace: test
      resourceVersion: "61584"
      uid: b5115eed-3fb5-4101-8645-1023b3cd806e
  ports:
  - name: http
    port: 80
    protocol: TCP

手动endpoint:

[root@master01 external]# cat ./*
kind: Endpoints
apiVersion: v1
metadata:
  name: mysql-svc
subsets:
  - addresses:
    - ip: 192.168.198.156
    ports:
    - port: 3306
apiVersion: v1
kind: Pod
metadata:
  name: mysql
  labels:
    app: mysql
spec:
  containers: 
  - name: mysql 
    image: mysql:5.6 
    ports:
    - containerPort: 3306 
    env:  
    - name: MYSQL_ROOT_PASSWORD
      value: '123456'
apiVersion: v1
kind: Service
metadata:
  name: mysql-svc
spec:
  ports:
  - port: 3306