Docker配置私有仓库+minikube拉取

官网教程
中文教程

搭建私有仓库(registry)

参考:https://blog.csdn.net/yelllowcong/article/details/78351307

$ docker pull registry
//通过-v参数来映射本地的路径到容器内
$ docker run -d -p 5000:5000 --restart always --name registry registry:2 -v [本地路径]:/var/lib/registry
  • 假设有一个ubuntu的image,现在将它上传到私有仓库
$ docker tag ubuntu localhost:5000/ubuntu
$ docker push localhost:5000/ubuntu
$ curl http://localhost:5000/v2/_catalog

minikube从私有仓库拉取docker镜像

https://stackoverflow.com/questions/38979231/imagepullbackoff-local-repository-with-minikube
https://blog.hasura.io/sharing-a-local-registry-for-minikube-37c7240d0615/

启动minikube时指定私有仓库

(注意:如果minikube已经创建过、则需要先minikube delete 再执行下述语句)

$ minikube start --registry-mirror=https://registry.docker-cn.com --insecure-registry=192.168.43.68:5000

验证:

$ minikube ssh
$ curl http://<私有仓库对应的ip>:<私有仓库的port>/v2/_catalog

ERROR SHEET

排查:minikube拉取私有仓库失败

参考:https://www.cnblogs.com/lkun/p/7990466.html
现象:使用kubectl create -f xxxx.yaml创建镜像,镜像文件如下:

apiVersion: v1
kind: Pod
metadata:
    name: kubia-manual
spec:
    containers:
    - image: 192.168.43.68:5000/kubia #tag=registry_ip:5000/kubia
      name: kubia
      ports:
      - containerPort: 8080
        protocol: TCP

此时使用kubectl get pods查看容器运行情况,发现报错:容器下载出错
排查思路:怀疑minikube中的docker指令pull报错,因此考虑先进到minikube中查看docker pull的运行结果

$ minikube ssh
$ docker pull 192.168.43.68:5000/kubia #在registry中已经准备好带有tag的image
# 此时有报错:http: server gave HTTP response to HTTPS client
$ sudo vi /usr/lib/systemd/system/docker.service
在ExecStart=的语句最后添加:--insecure-registry  registry_ip:5000
$ systemctl daemon-reload 
$ systemctl restart docker
# 推荐delete minikube,并在启动minikube时指定私有仓库,这样可以在重启minikube后依然保持生效

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