mirror of
https://github.com/kubernetes-sigs/kustomize.git
synced 2026-05-21 06:21:43 +00:00
86 lines
2.2 KiB
Go
86 lines
2.2 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 set
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import (
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"errors"
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"fmt"
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"strings"
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"github.com/spf13/cobra"
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"sigs.k8s.io/kustomize/pkg/commands/kustfile"
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"sigs.k8s.io/kustomize/pkg/fs"
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"sigs.k8s.io/kustomize/pkg/ifc"
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)
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type setNamespaceOptions struct {
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namespace string
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validator ifc.Validator
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}
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// newCmdSetNamespace sets the value of the namespace field in the kustomization.
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func newCmdSetNamespace(fsys fs.FileSystem, v ifc.Validator) *cobra.Command {
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var o setNamespaceOptions
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cmd := &cobra.Command{
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Use: "namespace",
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Short: "Sets the value of the namespace field in the kustomization file",
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Example: `
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The command
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set namespace staging
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will add the field "namespace: staging" to the kustomization file if it doesn't exist,
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and overwrite the value with "staging" 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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o.validator = v
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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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return o.RunSetNamespace(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 setNamespace command.
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func (o *setNamespaceOptions) Validate(args []string) error {
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if len(args) != 1 {
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return errors.New("must specify exactly one namespace value")
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}
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ns := args[0]
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if errs := o.validator.ValidateNamespace(ns); len(errs) != 0 {
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return fmt.Errorf("%q is not a valid namespace name: %s", ns, strings.Join(errs, ";"))
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}
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o.namespace = ns
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return nil
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}
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// RunSetNamespace runs setNamespace command (does real work).
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func (o *setNamespaceOptions) RunSetNamespace(fSys fs.FileSystem) error {
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mf, err := kustfile.NewKustomizationFile(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.Namespace = o.namespace
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return mf.Write(m)
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}
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