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使用kubeadm部署k8s集群00-缓存gcr.io镜像

2018-02-07 18:09 1196 查看

使用kubeadm部署k8s集群00-缓存gcr.io镜像

2018/2/7

原因:kubeadm init 时,需要下载一些镜像,但国内网络原因,大家懂的,不容易下载,此时,只能去绕过它。
备注:官方在 1.5 收到阿里一位童鞋的 PR 来允许指定一个第三方的 registry 来解决上述问题,但因为时间所限,并未找到具体的操作方法。

【在国外节点上操作】

镜像来源

针对下述镜像:

gcr.io/google_containers/kube-apiserver-amd64:v1.9.0
gcr.io/google_containers/kube-controller-manager-amd64:v1.9.0
gcr.io/google_containers/kube-scheduler-amd64:v1.9.0
gcr.io/google_containers/kube-proxy-amd64:v1.9.0
gcr.io/google_containers/etcd-amd64:3.1.10
gcr.io/google_containers/pause-amd64:3.0
gcr.io/google_containers/k8s-dns-sidecar-amd64:1.14.7
gcr.io/google_containers/k8s-dns-kube-dns-amd64:1.14.7
gcr.io/google_containers/k8s-dns-dnsmasq-nanny-amd64:1.14.7

##### 先 pull 下来

docker pull gcr.io/google_containers/kube-apiserver-amd64:v1.9.0
docker pull gcr.io/google_containers/kube-controller-manager-amd64:v1.9.0
docker pull gcr.io/google_containers/kube-scheduler-amd64:v1.9.0
docker pull gcr.io/google_containers/kube-proxy-amd64:v1.9.0
docker pull gcr.io/google_containers/etcd-amd64:3.1.10
docker pull gcr.io/google_containers/pause-amd64:3.0
docker pull gcr.io/google_containers/k8s-dns-sidecar-amd64:1.14.7
docker pull gcr.io/google_containers/k8s-dns-kube-dns-amd64:1.14.7
docker pull gcr.io/google_containers/k8s-dns-dnsmasq-nanny-amd64:1.14.7

##### 修改 tag 为新的仓库/命名空间:

docker tag gcr.io/google_containers/kube-apiserver-amd64:v1.9.0 opera443399/kube-apiserver-amd64:v1.9.0
docker tag gcr.io/google_containers/kube-controller-manager-amd64:v1.9.0 opera443399/kube-controller-manager-amd64:v1.9.0
docker tag gcr.io/google_containers/kube-scheduler-amd64:v1.9.0 opera443399/kube-scheduler-amd64:v1.9.0
docker tag gcr.io/google_containers/kube-proxy-amd64:v1.9.0 opera443399/kube-proxy-amd64:v1.9.0
docker tag gcr.io/google_containers/etcd-amd64:3.1.10 opera443399/etcd-amd64:3.1.10
docker tag gcr.io/google_containers/pause-amd64:3.0 opera443399/pause-amd64:3.0
docker tag gcr.io/google_containers/k8s-dns-sidecar-amd64:1.14.7 opera443399/k8s-dns-sidecar-amd64:1.14.7
docker tag gcr.io/google_containers/k8s-dns-kube-dns-amd64:1.14.7 opera443399/k8s-dns-kube-dns-amd64:1.14.7
docker tag gcr.io/google_containers/k8s-dns-dnsmasq-nanny-amd64:1.14.7 opera443399/k8s-dns-dnsmasq-nanny-amd64:1.14.7

##### 再 push 到新的仓库/命名空间中:

docker push opera443399/kube-apiserver-amd64:v1.9.0
docker push opera443399/kube-controller-manager-amd64:v1.9.0
docker push opera443399/kube-scheduler-amd64:v1.9.0
docker push opera443399/kube-proxy-amd64:v1.9.0
docker push opera443399/etcd-amd64:3.1.10
docker push opera443399/pause-amd64:3.0
docker push opera443399/k8s-dns-sidecar-amd64:1.14.7
docker push opera443399/k8s-dns-kube-dns-amd64:1.14.7
docker push opera443399/k8s-dns-dnsmasq-nanny-amd64:1.14.7

##### 在目标机器上 pull 下来:

docker pull opera443399/kube-apiserver-amd64:v1.9.0
docker pull opera443399/kube-controller-manager-amd64:v1.9.0
docker pull opera443399/kube-scheduler-amd64:v1.9.0
docker pull opera443399/kube-proxy-amd64:v1.9.0
docker pull opera443399/etcd-amd64:3.1.10
docker pull opera443399/pause-amd64:3.0
docker pull opera443399/k8s-dns-sidecar-amd64:1.14.7
docker pull opera443399/k8s-dns-kube-dns-amd64:1.14.7
docker pull opera443399/k8s-dns-dnsmasq-nanny-amd64:1.14.7

##### 还原 tag 到目标镜像:
docker tag opera443399/kube-apiserver-amd64:v1.9.0 gcr.io/google_containers/kube-apiserver-amd64:v1.9.0
docker tag opera443399/kube-controller-manager-amd64:v1.9.0 gcr.io/google_containers/kube-controller-manager-amd64:v1.9.0
docker tag opera443399/kube-scheduler-amd64:v1.9.0 gcr.io/google_containers/kube-scheduler-amd64:v1.9.0
docker tag opera443399/kube-proxy-amd64:v1.9.0 gcr.io/google_containers/kube-proxy-amd64:v1.9.0
docker tag opera443399/etcd-amd64:3.1.10 gcr.io/google_containers/etcd-amd64:3.1.10
docker tag opera443399/pause-amd64:3.0 gcr.io/google_containers/pause-amd64:3.0
docker tag opera443399/k8s-dns-sidecar-amd64:1.14.7 gcr.io/google_containers/k8s-dns-sidecar-amd64:1.14.7
docker tag opera443399/k8s-dns-kube-dns-amd64:1.14.7 gcr.io/google_containers/k8s-dns-kube-dns-amd64:1.14.7
docker tag opera443399/k8s-dns-dnsmasq-nanny-amd64:1.14.7 gcr.io/google_containers/k8s-dns-dnsmasq-nanny-amd64:1.14.7

##### 清理中转用到的镜像 tag :
docker rmi $(docker images |grep opera443399 |awk '{print $1":"$2}')

ZYXW、参考
1、阿里云快速部署Kubernetes - VPC环境
https://yq.aliyun.com/articles/66474
2、support customize repository prefix of image through environment KUBE… #35948
https://github.com/kubernetes/kubernetes/pull/35948
3、Using custom images
https://kubernetes.io/docs/reference/setup-tools/kubeadm/kubeadm-init/#custom-images
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标签:  k8s gcr.io