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Merge pull request #118637 from Ritikaa96/kubectl-explain-help-improvment

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Details added in kubectl explain help
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Kubernetes Prow Robot 2023-06-23 21:19:06 -07:00 committed by GitHub
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1 changed files with 15 additions and 7 deletions
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22
staging/src/k8s.io/kubectl/pkg/cmd/explain/explain.go
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@ -35,22 +35,30 @@ import (
var ( var (
explainLong = templates.LongDesc(i18n.T(` explainLong = templates.LongDesc(i18n.T(`
List the fields for supported resources. Describe fields and structure of various resources.
This command describes the fields associated with each supported API resource. This command describes the fields associated with each supported API resource.
Fields are identified via a simple JSONPath identifier: Fields are identified via a simple JSONPath identifier:
<type>.<fieldName>[.<fieldName>] <type>.<fieldName>[.<fieldName>]
Add the --recursive flag to display all of the fields at once without descriptions.
Information about each field is retrieved from the server in OpenAPI format.`)) Information about each field is retrieved from the server in OpenAPI format.`))
explainExamples = templates.Examples(i18n.T(` explainExamples = templates.Examples(i18n.T(`
# Get the documentation of the resource and its fields # Get the documentation of the resource and its fields
kubectl explain pods kubectl explain pods
# Get all the fields in the resource
kubectl explain pods --recursive
# Get the explanation for deployment in supported api versions
kubectl explain deployments --api-version=apps/v1
# Get the documentation of a specific field of a resource # Get the documentation of a specific field of a resource
kubectl explain pods.spec.containers`)) kubectl explain pods.spec.containers
# Get the documentation of resources in different format
kubectl explain deployment --output=plaintext-openapiv2`))
plaintextTemplateName = "plaintext" plaintextTemplateName = "plaintext"
plaintextOpenAPIV2TemplateName = "plaintext-openapiv2" plaintextOpenAPIV2TemplateName = "plaintext-openapiv2"
@ -89,7 +97,7 @@ func NewCmdExplain(parent string, f cmdutil.Factory, streams genericiooptions.IO
o := NewExplainOptions(parent, streams) o := NewExplainOptions(parent, streams)
cmd := &cobra.Command{ cmd := &cobra.Command{
Use: "explain RESOURCE", Use: "explain TYPE [--recursive=FALSE|TRUE] [--api-version=api-version-group] [--output=plaintext|plaintext-openapiv2]",
DisableFlagsInUseLine: true, DisableFlagsInUseLine: true,
Short: i18n.T("Get documentation for a resource"), Short: i18n.T("Get documentation for a resource"),
Long: explainLong + "\n\n" + cmdutil.SuggestAPIResources(parent), Long: explainLong + "\n\n" + cmdutil.SuggestAPIResources(parent),
@ -100,11 +108,11 @@ func NewCmdExplain(parent string, f cmdutil.Factory, streams genericiooptions.IO
cmdutil.CheckErr(o.Run()) cmdutil.CheckErr(o.Run())
}, },
} }
cmd.Flags().BoolVar(&o.Recursive, "recursive", o.Recursive, "Print the fields of fields (Currently only 1 level deep)") cmd.Flags().BoolVar(&o.Recursive, "recursive", o.Recursive, "When true, print the name of all the fields recursively. Otherwise, print the available fields with their description.")
cmd.Flags().StringVar(&o.APIVersion, "api-version", o.APIVersion, "Get different explanations for particular API version (API group/version)") cmd.Flags().StringVar(&o.APIVersion, "api-version", o.APIVersion, "Use given api-version (group/version) of the resource.")
// Only enable --output as a valid flag if the feature is enabled // Only enable --output as a valid flag if the feature is enabled
cmd.Flags().StringVar(&o.OutputFormat, "output", plaintextTemplateName, "Format in which to render the schema (plaintext, plaintext-openapiv2)") cmd.Flags().StringVar(&o.OutputFormat, "output", plaintextTemplateName, "Format in which to render the schema. Valid values are: (plaintext, plaintext-openapiv2).")
return cmd return cmd
} }