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document the "create" option to the "kubeclt wait" command.

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Signed-off-by: Ryan Winter <ryanwinter@outlook.com>
This commit is contained in:
Ryan Winter
2024-09-12 09:21:37 -07:00
parent e35bd86edd
commit a3615ce5a3
1 changed files with 10 additions and 6 deletions
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14
staging/src/k8s.io/kubectl/pkg/cmd/wait/wait.go
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@@ -51,8 +51,8 @@ var (
The command takes multiple resources and waits until the specified condition The command takes multiple resources and waits until the specified condition
is seen in the Status field of every given resource. is seen in the Status field of every given resource.
Alternatively, the command can wait for the given set of resources to be deleted Alternatively, the command can wait for the given set of resources to be created or
by providing the "delete" keyword as the value to the --for flag. deleted by providing the "create" or "delete" keyword as the value to the --for flag.
A successful message will be printed to stdout indicating when the specified A successful message will be printed to stdout indicating when the specified
condition has been met. You can use -o option to change to output destination.`)) condition has been met. You can use -o option to change to output destination.`))
@@ -73,6 +73,10 @@ var (
# Wait for the service "loadbalancer" to have ingress # Wait for the service "loadbalancer" to have ingress
kubectl wait --for=jsonpath='{.status.loadBalancer.ingress}' service/loadbalancer kubectl wait --for=jsonpath='{.status.loadBalancer.ingress}' service/loadbalancer
# Wait for the secret "busybox1" to be created, with a timeout of 30s
kubectl create secret generic busybox1
kubectl wait --for=create secret/busybox1 --timeout=30s
# Wait for the pod "busybox1" to be deleted, with a timeout of 60s, after having issued the "delete" command # Wait for the pod "busybox1" to be deleted, with a timeout of 60s, after having issued the "delete" command
kubectl delete pod/busybox1 kubectl delete pod/busybox1
kubectl wait --for=delete pod/busybox1 --timeout=60s`)) kubectl wait --for=delete pod/busybox1 --timeout=60s`))
@@ -119,7 +123,7 @@ func NewCmdWait(restClientGetter genericclioptions.RESTClientGetter, streams gen
flags := NewWaitFlags(restClientGetter, streams) flags := NewWaitFlags(restClientGetter, streams)
cmd := &cobra.Command{ cmd := &cobra.Command{
Use: "wait ([-f FILENAME] | resource.group/resource.name | resource.group [(-l label | --all)]) [--for=delete|--for condition=available|--for=jsonpath='{}'[=value]]", Use: "wait ([-f FILENAME] | resource.group/resource.name | resource.group [(-l label | --all)]) [--for=create|--for=delete|--for condition=available|--for=jsonpath='{}'[=value]]",
Short: i18n.T("Experimental: Wait for a specific condition on one or many resources"), Short: i18n.T("Experimental: Wait for a specific condition on one or many resources"),
Long: waitLong, Long: waitLong,
Example: waitExample, Example: waitExample,
@@ -144,7 +148,7 @@ func (flags *WaitFlags) AddFlags(cmd *cobra.Command) {
flags.ResourceBuilderFlags.AddFlags(cmd.Flags()) flags.ResourceBuilderFlags.AddFlags(cmd.Flags())
cmd.Flags().DurationVar(&flags.Timeout, "timeout", flags.Timeout, "The length of time to wait before giving up. Zero means check once and don't wait, negative means wait for a week.") cmd.Flags().DurationVar(&flags.Timeout, "timeout", flags.Timeout, "The length of time to wait before giving up. Zero means check once and don't wait, negative means wait for a week.")
cmd.Flags().StringVar(&flags.ForCondition, "for", flags.ForCondition, "The condition to wait on: [delete|condition=condition-name[=condition-value]|jsonpath='{JSONPath expression}'=[JSONPath value]]. The default condition-value is true. Condition values are compared after Unicode simple case folding, which is a more general form of case-insensitivity.") cmd.Flags().StringVar(&flags.ForCondition, "for", flags.ForCondition, "The condition to wait on: [create|delete|condition=condition-name[=condition-value]|jsonpath='{JSONPath expression}'=[JSONPath value]]. The default condition-value is true. Condition values are compared after Unicode simple case folding, which is a more general form of case-insensitivity.")
} }
// ToOptions converts from CLI inputs to runtime inputs // ToOptions converts from CLI inputs to runtime inputs
@@ -356,7 +360,7 @@ func (o *WaitOptions) RunWait() error {
return nil return nil
} }
if err == nil { if err == nil {
return fmt.Errorf("%v unsatisified for unknown reason", finalObject) return fmt.Errorf("%v unsatisfied for unknown reason", finalObject)
} }
return err return err
} }