94 lines
3.3 KiB
Go
94 lines
3.3 KiB
Go
/*
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Copyright 2018 The Kubernetes Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package create
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import (
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"github.com/spf13/cobra"
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"k8s.io/kubernetes/pkg/kubectl/genericclioptions"
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"k8s.io/apimachinery/pkg/runtime"
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genericprinters "k8s.io/kubernetes/pkg/kubectl/genericclioptions/printers"
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"k8s.io/kubernetes/pkg/printers"
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)
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// PrintFlags composes common printer flag structs
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// used across all create commands, and provides a method
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// of retrieving a known printer based on flag values provided.
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type PrintFlags struct {
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JSONYamlPrintFlags *genericclioptions.JSONYamlPrintFlags
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NamePrintFlags *genericclioptions.NamePrintFlags
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TemplateFlags *printers.KubeTemplatePrintFlags
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TypeSetter *genericprinters.TypeSetterPrinter
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OutputFormat *string
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}
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func (f *PrintFlags) AllowedFormats() []string {
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return append(append(f.JSONYamlPrintFlags.AllowedFormats(), f.NamePrintFlags.AllowedFormats()...),
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f.TemplateFlags.AllowedFormats()...)
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}
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func (f *PrintFlags) Complete(successTemplate string) error {
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return f.NamePrintFlags.Complete(successTemplate)
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}
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func (f *PrintFlags) ToPrinter() (printers.ResourcePrinter, error) {
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outputFormat := ""
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if f.OutputFormat != nil {
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outputFormat = *f.OutputFormat
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}
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if p, err := f.JSONYamlPrintFlags.ToPrinter(outputFormat); !genericclioptions.IsNoCompatiblePrinterError(err) {
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return f.TypeSetter.WrapToPrinter(p, err)
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}
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if p, err := f.NamePrintFlags.ToPrinter(outputFormat); !genericclioptions.IsNoCompatiblePrinterError(err) {
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return f.TypeSetter.WrapToPrinter(p, err)
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}
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if p, err := f.TemplateFlags.ToPrinter(outputFormat); !genericclioptions.IsNoCompatiblePrinterError(err) {
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return f.TypeSetter.WrapToPrinter(p, err)
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}
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return nil, genericclioptions.NoCompatiblePrinterError{OutputFormat: &outputFormat, AllowedFormats: f.AllowedFormats()}
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}
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func (f *PrintFlags) AddFlags(cmd *cobra.Command) {
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f.JSONYamlPrintFlags.AddFlags(cmd)
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f.NamePrintFlags.AddFlags(cmd)
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f.TemplateFlags.AddFlags(cmd)
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if f.OutputFormat != nil {
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cmd.Flags().StringVarP(f.OutputFormat, "output", "o", *f.OutputFormat, "Output format. One of: json|yaml|wide|name|custom-columns=...|custom-columns-file=...|go-template=...|go-template-file=...|jsonpath=...|jsonpath-file=... See custom columns [http://kubernetes.io/docs/user-guide/kubectl-overview/#custom-columns], golang template [http://golang.org/pkg/text/template/#pkg-overview] and jsonpath template [http://kubernetes.io/docs/user-guide/jsonpath].")
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}
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}
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func NewPrintFlags(operation string, scheme runtime.ObjectTyper) *PrintFlags {
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outputFormat := ""
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return &PrintFlags{
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OutputFormat: &outputFormat,
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JSONYamlPrintFlags: genericclioptions.NewJSONYamlPrintFlags(),
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NamePrintFlags: genericclioptions.NewNamePrintFlags(operation),
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TemplateFlags: printers.NewKubeTemplatePrintFlags(),
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TypeSetter: genericprinters.NewTypeSetter(scheme),
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}
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}
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