: hostname "" a DNS-1123 subdomain must consist of lower case alphanumeric characters, '-' or '.', and must start and end with an alphanumeric character (e.g. : docker version is greater than the most recently validated version. Suggestion: go get /kubernetes-incubator/cri-tools/cmd/crictl W0517 17:47:19.299541 2556 flags.go:39] log_dir is DEPRECATED and will be removed in a future version. W0517 17:47:19.299535 2556 flags.go:39] log_dir is DEPRECATED and will be removed in a future version. W0517 17:47:19.299530 2556 flags.go:39] log_backtrace_at is DEPRECATED and will be removed in a future version. W0517 17:47:19.298833 2556 flags.go:39] log_backtrace_at is DEPRECATED and will be removed in a future version. If you know what you are doing, you can skip pre-flight checks with `-skip-preflight-checks ` ', and must start and end with an alphanumeric character (e.g. Hostname " " a DNS-1123 subdomain must consist of lower case alphanumeric characters, '- ' or '. WARNING: hostname " " lookup : no such host WARNING: hostname " " could not be reached WARNING: kubeadm is in beta, please do not use it for production clusters. Kube-scheduler-art-master-1 1/1 Running 0 9m Kube-controller-manager-art-master-1 1/1 Running 0 9m Kube-apiserver-art-master-1 1/1 Running 0 8m Sorry, I cannot share detailed infrastructure data. DNS is working just fine, but the machines do not have reverse lookup. I don't even know if CentOS is a requirement.Ĭentos 7.3, provisioned by terraform into a private ESX cluster. Should just be able to kubeadm init/join with some machines that do not have resolvable hostnames. How to reproduce it (as minimally and precisely as possible): Just some plain ol' joining and initializing. Null_resource.kubeadm_join.1 (remote-exec): If you know what you are doing,you can skip pre-flight checks with `-skip-preflight-checks` Null_resource.kubeadm_join.1 (remote-exec): hostname "" a DNS-1123 subdomain must consist of lower case alphanumeric characters, '-' or '.', and must start and end with analphanumeric character (e.g. Null_resource.kubeadm_join.1 (remote-exec): Some fatal errors occurred: Null_resource.kubeadm_join.1 (remote-exec): WARNING: hostname "" lookup : no such host Null_resource.kubeadm_join.1 (remote-exec): WARNING: hostname "" could not be reached Null_resource.kubeadm_join.0 (remote-exec): If you know what you are doing,you can skip pre-flight checks with `-skip-preflight-checks` Null_resource.kubeadm_join.0 (remote-exec): hostname "" a DNS-1123 subdomain must consist of lower case alphanumeric characters, '-' or '.', and must start and end with analphanumeric character (e.g. Null_resource.kubeadm_join.0 (remote-exec): Some fatal errors occurred: Null_resource.kubeadm_join.1 (remote-exec): Running pre-flight checks Null_resource.kubeadm_join.1 (remote-exec): WARNING: kubeadm is in beta, please do not use it for production clusters.
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