[root@master ~]# kubeadm init \
> --kubernetes-version=v1.17.4 \
> --pod-network-cidr=10.244.0.0/16 \
> --service-cidr=10.96.0.0/12 \
> --apiserver-advertise-address=192.168.159.21
W1109 10:29:33.395709 2645 validation.go:28] Cannot validate kube-proxy config - no validator is available
W1109 10:29:33.396073 2645 validation.go:28] Cannot validate kubelet config - no validator is available
[init] Using Kubernetes version: v1.17.4
[preflight] Running pre-flight checks
[preflight] Pulling images required for setting up a Kubernetes cluster
[preflight] This might take a minute or two, depending on the speed of your internet connection
[preflight] You can also perform this action in beforehand using 'kubeadm config images pull'
error execution phase preflight: [preflight] Some fatal errors occurred:
[ERROR ImagePull]: failed to pull image k8s.gcr.io/kube-apiserver:v1.17.4: output: Trying to pull repository k8s.gcr.io/kube-apiserver ...
Get https://k8s.gcr.io/v1/_ping: dial tcp 64.233.187.82:443: connect: connection refused
, error: exit status 1
[ERROR ImagePull]: failed to pull image k8s.gcr.io/kube-controller-manager:v1.17.4: output: Trying to pull repository k8s.gcr.io/kube-controller-manager ...
Get https://k8s.gcr.io/v1/_ping: dial tcp 64.233.187.82:443: connect: connection refused
, error: exit status 1
[ERROR ImagePull]: failed to pull image k8s.gcr.io/kube-scheduler:v1.17.4: output: Trying to pull repository k8s.gcr.io/kube-scheduler ...
Get https://k8s.gcr.io/v1/_ping: dial tcp 142.251.8.82:443: connect: connection refused
, error: exit status 1
[ERROR ImagePull]: failed to pull image k8s.gcr.io/kube-proxy:v1.17.4: output: Trying to pull repository k8s.gcr.io/kube-proxy ...
Get https://k8s.gcr.io/v1/_ping: dial tcp 142.251.8.82:443: connect: connection refused
, error: exit status 1
[ERROR ImagePull]: failed to pull image k8s.gcr.io/pause:3.1: output: Trying to pull repository k8s.gcr.io/pause ...
Get https://k8s.gcr.io/v1/_ping: dial tcp 142.251.8.82:443: connect: connection refused
, error: exit status 1
[ERROR ImagePull]: failed to pull image k8s.gcr.io/etcd:3.4.3-0: output: Trying to pull repository k8s.gcr.io/etcd ...
Get https://k8s.gcr.io/v1/_ping: dial tcp 142.251.8.82:443: connect: connection refused
, error: exit status 1
[ERROR ImagePull]: failed to pull image k8s.gcr.io/coredns:1.6.5: output: Trying to pull repository k8s.gcr.io/coredns ...
Get https://k8s.gcr.io/v1/_ping: dial tcp 108.177.125.82:443: connect: connection refused
, error: exit status 1
[preflight] If you know what you are doing, you can make a check non-fatal with `--ignore-preflight-errors=...`
To see the stack trace of this error execute with --v=5 or higher
https://blog.csdn.net/happyworld1/article/details/106259080/
需要下载必要组件的镜像，然默认是外网的地址，所以最好是阿里云加速去dockerhub下代替的镜像然后改成和需要的镜像一样的tag