提示
在 master、node1、node2分别执行下面操作
说明
安装集群就是在各个服务器安装下面相应的组件，由于使用 kubeadm 安装，就不需要手动一个一个安装，非常方便
查看要安装的组件
kubeadm config images list
显示如下：
I0928 11:09:01.029735 43115 version.go:251] remote version is much newer : v1.28.2; falling back to: stable-1.17
W0928 11:09:03.597865 43115 validation.go:28] Cannot validate kube-proxy config - no validator is available
W0928 11:09:03.597884 43115 validation.go:28] Cannot validate kubelet co nfig - no validator is available
k8s.gcr.io/kube-apiserver:v1.17.17
k8s.gcr.io/kube-controller-manager:v1.17.17
k8s.gcr.io/kube-scheduler:v1.17.17
k8s.gcr.io/kube-proxy:v1.17.17
k8s.gcr.io/pause:3.1
k8s.gcr.io/etcd:3.4.3-0
k8s.gcr.io/coredns:1.6.5
下载aliyun镜像
官方镜像，我们无法访问，所以使用aliyun镜像
images=(
kube-apiserver:v1.17.4
kube-controller-manager:v1.17.4
kube-scheduler:v1.17.4
kube-proxy:v1.17.4
pause:3.1
etcd:3.4.3-0
coredns:1.6.5
)
for imageName in ${images[@]};do
docker pull registry.cn-hangzhou.aliyuncs.com/google_containers/$imageName
docker tag registry.cn-hangzhou.aliyuncs.com/google_containers/$imageName k8s.gcr.io/$imageName
docker rmi registry.cn-hangzhou.aliyuncs.com/google_containers/$imageName
done
查看镜像
docker images
显示如下：
REPOSITORY TAG IMAGE ID CREATED SIZE
k8s.gcr.io/kube-proxy v1.17.4 6dec7cfde1e5 3 years ago 116MB
k8s.gcr.io/kube-apiserver v1.17.4 2e1ba57fe95a 3 years ago 171MB
k8s.gcr.io/kube-controller-manager v1.17.4 7f997fcf3e94 3 years ago 161MB
k8s.gcr.io/kube-scheduler v1.17.4 5db16c1c7aff 3 years ago 94.4MB
k8s.gcr.io/coredns 1.6.5 70f311871ae1 3 years ago 41.6MB
k8s.gcr.io/etcd 3.4.3-0 303ce5db0e90 3 years ago 288MB
k8s.gcr.io/pause 3.1 da86e6ba6ca1 5 years ago 742kB
提示
在 master、node1、node2分别执行下面操作