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Commit 9bb0fdc7 authored by Lubomir I. Ivanov's avatar Lubomir I. Ivanov
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kubeadm-init: add details about --token

Add details about the required format when passing a bootstrap token using 'kubeadm init --token'. Fixes kubernetes/kubeadm#768
parent ca92b73a
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cmd/kubeadm/app/cmd/init.go
View file @ 9bb0fdc7
......@@ -187,7 +187,7 @@ func AddInitConfigFlags(flagSet *flag.FlagSet, cfg *kubeadmapiext.MasterConfigur
)
flagSet.StringVar(
&cfg.Token, "token", cfg.Token,
"The token to use for establishing bidirectional trust between nodes and masters.",
"The token to use for establishing bidirectional trust between nodes and masters. The format is [a-z0-9]{6}\\.[a-z0-9]{16} - e.g. abcdef.0123456789abcdef",
)
flagSet.DurationVar(
&cfg.TokenTTL.Duration, "token-ttl", cfg.TokenTTL.Duration,
......
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