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Update kubectl taint usage

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- Explain that the value is optional.
- Add example of adding a taint with no value to kubectl taint usage.
This commit is contained in:
Daniel Lipovetsky 2019-02-25 16:21:09 -08:00
parent f5ac239289
commit ab6d901497
1 changed files with 5 additions and 2 deletions
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7
pkg/kubectl/cmd/taint/taint.go
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@ -64,7 +64,7 @@ var (
* A taint consists of a key, value, and effect. As an argument here, it is expressed as key=value:effect.
* The key must begin with a letter or number, and may contain letters, numbers, hyphens, dots, and underscores, up to %[1]d characters.
* Optionally, the key can begin with a DNS subdomain prefix and a single '/', like example.com/my-app
* The value must begin with a letter or number, and may contain letters, numbers, hyphens, dots, and underscores, up to %[2]d characters.
* The value is optional. If given, it must begin with a letter or number, and may contain letters, numbers, hyphens, dots, and underscores, up to %[2]d characters.
* The effect must be NoSchedule, PreferNoSchedule or NoExecute.
* Currently taint can only apply to node.`))
@ -80,7 +80,10 @@ var (
kubectl taint nodes foo dedicated-
# Add a taint with key 'dedicated' on nodes having label mylabel=X
kubectl taint node -l myLabel=X dedicated=foo:PreferNoSchedule`))
kubectl taint node -l myLabel=X dedicated=foo:PreferNoSchedule
# Add to node 'foo' a taint with key 'bar' and no value
kubectl taint nodes foo bar:NoSchedule`))
)
func NewCmdTaint(f cmdutil.Factory, streams genericclioptions.IOStreams) *cobra.Command {