Я пытался настроить кластер Kubernetes в centos 7, и у меня возникла проблема при выполнении приведенной ниже команды инициализации kubeadm.
kubeadm init --apiserver-advertise-address=10.70.6.18 --pod-network-cidr=192.168.0.0/16 I1224 18:20:55.388552 11136 version.go:94] could not fetch a Kubernetes version from the internet: unable to get URL "https://dl.k8s.io/release/stable-1.txt": Get https://dl.k8s.io/release/stable-1.txt: dial tcp: lookup dl.k8s.io on 10.171.221.11:53: no such host I1224 18:20:55.388679 11136 version.go:95] falling back to the local client version: v1.13.1 [init] Using Kubernetes version: v1.13.1 [preflight] Running pre-flight checks [WARNING Firewalld]: firewalld is active, please ensure ports [6443 10250] are open or your cluster may not function correctly [WARNING SystemVerification]: this Docker version is not on the list of validated versions: 18.09.0. Latest validated version: 18.06 [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:v1.13.1: output: v1.13.1: Pulling from kube-apiserver 73e3e9d78c61: Pulling fs layer e08dba503a39: Pulling fs layer error pulling image configuration: Get https://storage.googleapis.com/asia.artifacts.google-containers.appspot.com/containers/images/sha256:40a63db91ef844887af73e723e40e595e4aa651ac2c5637332d719e42abc4dd2: x509: certificate signed by unknown authority , error: exit status 1 [ERROR ImagePull]: failed to pull image k8s.gcr.io/kube-controller-manager:v1.13.1: output: v1.13.1: Pulling from kube-controller-manager
В вашем рабочем (ых) узле попробуйте использовать прокси или VPN для изменения вашего IP.Я думаю, что реестр, который вы пытаетесь вытащить из него, заблокировал ваш IP.