mirror of
https://github.com/kubernetes-sigs/kustomize.git
synced 2026-05-21 22:41:42 +00:00
103 lines
2.4 KiB
Go
103 lines
2.4 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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"io"
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"path/filepath"
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"github.com/spf13/cobra"
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"errors"
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"github.com/kubernetes-sigs/kustomize/pkg/app"
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"github.com/kubernetes-sigs/kustomize/pkg/constants"
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"github.com/kubernetes-sigs/kustomize/pkg/fs"
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"github.com/kubernetes-sigs/kustomize/pkg/loader"
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)
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type buildOptions struct {
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kustomizationPath string
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}
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// newCmdBuild creates a new build command.
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func newCmdBuild(out, errOut io.Writer, fs fs.FileSystem) *cobra.Command {
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var o buildOptions
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cmd := &cobra.Command{
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Use: "build [path]",
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Short: "Print current configuration per contents of " + constants.KustomizationFileName,
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Example: "Use the file somedir/" + constants.KustomizationFileName +
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" to generate a set of api resources:\nbuild somedir/",
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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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return o.RunBuild(out, errOut, fs)
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},
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}
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return cmd
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}
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// Validate validates build command.
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func (o *buildOptions) Validate(args []string) error {
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if len(args) > 1 {
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return errors.New("specify one path to " + constants.KustomizationFileName)
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}
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if len(args) == 0 {
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o.kustomizationPath = "./"
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return nil
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}
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o.kustomizationPath = args[0]
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return nil
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}
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// RunBuild runs build command.
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func (o *buildOptions) RunBuild(out, errOut io.Writer, fs fs.FileSystem) error {
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l := loader.Init([]loader.SchemeLoader{loader.NewFileLoader(fs)})
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absPath, err := filepath.Abs(o.kustomizationPath)
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if err != nil {
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return err
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}
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rootLoader, err := l.New(absPath)
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if err != nil {
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return err
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}
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application, err := app.New(rootLoader)
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if err != nil {
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return err
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}
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allResources, err := application.Resources()
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if err != nil {
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return err
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}
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// Output the objects.
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res, err := allResources.EncodeAsYaml()
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if err != nil {
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return err
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}
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_, err = out.Write(res)
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return err
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}
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