91 lines
2.3 KiB
Go
91 lines
2.3 KiB
Go
/*
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Copyright 2017 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 commands
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import (
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"errors"
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"io"
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"github.com/spf13/cobra"
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"k8s.io/kubectl/pkg/kinflate/constants"
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"k8s.io/kubectl/pkg/kinflate/util/fs"
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)
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type setNamePrefixOptions struct {
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prefix string
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}
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// newCmdSetNamePrefix sets the value of the namePrefix field in the manifest.
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func newCmdSetNamePrefix(out, errOut io.Writer, fsys fs.FileSystem) *cobra.Command {
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var o setNamePrefixOptions
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cmd := &cobra.Command{
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Use: "nameprefix",
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Short: "Sets the value of the namePrefix field in the manifest.",
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Long: "Sets the value of the namePrefix field in the manifest.",
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//
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Example: `
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The command
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set nameprefix acme-
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will add the field "namePrefix: acme-" to the manifest file if it doesn't exist,
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and overwrite the value with "acme-" if the field does exist.
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`,
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RunE: func(cmd *cobra.Command, args []string) error {
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err := o.Validate(args)
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if err != nil {
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return err
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}
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err = o.Complete(cmd, args)
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if err != nil {
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return err
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}
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return o.RunSetNamePrefix(out, errOut, fsys)
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},
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}
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return cmd
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}
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// Validate validates setNamePrefix command.
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func (o *setNamePrefixOptions) Validate(args []string) error {
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if len(args) != 1 {
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return errors.New("must specify exactly one prefix value")
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}
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// TODO: add further validation on the value.
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o.prefix = args[0]
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return nil
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}
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// Complete completes setNamePrefix command.
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func (o *setNamePrefixOptions) Complete(cmd *cobra.Command, args []string) error {
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return nil
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}
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// RunSetNamePrefix runs setNamePrefix command (does real work).
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func (o *setNamePrefixOptions) RunSetNamePrefix(out, errOut io.Writer, fsys fs.FileSystem) error {
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mf, err := newManifestFile(constants.KubeManifestFileName, fsys)
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if err != nil {
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return err
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}
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m, err := mf.read()
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if err != nil {
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return err
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}
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m.NamePrefix = o.prefix
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return mf.write(m)
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}
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