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53 lines
2.1 KiB
Go
53 lines
2.1 KiB
Go
/*
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Copyright 2014 The Kubernetes Authors All rights reserved.
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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 util
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import (
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"github.com/GoogleCloudPlatform/kubernetes/pkg/kubectl"
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"github.com/spf13/cobra"
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)
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// AddPrinterFlags adds printing related flags to a command (e.g. output format, no headers, template path)
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func AddPrinterFlags(cmd *cobra.Command) {
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cmd.Flags().StringP("output", "o", "", "Output format. One of: json|yaml|template|templatefile|wide.")
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cmd.Flags().String("output-version", "", "Output the formatted object with the given version (default api-version).")
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cmd.Flags().Bool("no-headers", false, "When using the default output, don't print headers.")
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cmd.Flags().StringP("template", "t", "", "Template string or path to template file to use when -o=template or -o=templatefile. The template format is golang templates [http://golang.org/pkg/text/template/#pkg-overview]")
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}
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// OutputVersion returns the preferred output version for generic content (JSON, YAML, or templates)
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func OutputVersion(cmd *cobra.Command, defaultVersion string) string {
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outputVersion := GetFlagString(cmd, "output-version")
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if len(outputVersion) == 0 {
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outputVersion = defaultVersion
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}
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return outputVersion
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}
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// PrinterForCommand returns the default printer for this command.
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// Requires that printer flags have been added to cmd (see AddPrinterFlags).
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func PrinterForCommand(cmd *cobra.Command) (kubectl.ResourcePrinter, bool, error) {
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outputFormat := GetFlagString(cmd, "output")
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templateFile := GetFlagString(cmd, "template")
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if len(outputFormat) == 0 && len(templateFile) != 0 {
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outputFormat = "template"
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}
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return kubectl.GetPrinter(outputFormat, templateFile)
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}
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