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kubeadm-init: add details about --token

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Add details about the required format when passing
a bootstrap token using 'kubeadm init --token'.

Fixes kubernetes/kubeadm#768
This commit is contained in:
Lubomir I. Ivanov
2018-05-10 01:21:00 +03:00
parent ca92b73a65
commit 9bb0fdc7b2
1 changed files with 1 additions and 1 deletions
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2
cmd/kubeadm/app/cmd/init.go
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@@ -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,