mirror of
https://github.com/ceph/ceph-csi.git
synced 2024-11-26 08:10:20 +00:00
130 lines
3.2 KiB
Go
130 lines
3.2 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 build
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import (
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"io"
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"github.com/pkg/errors"
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"github.com/spf13/cobra"
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"sigs.k8s.io/kustomize/pkg/constants"
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"sigs.k8s.io/kustomize/pkg/fs"
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"sigs.k8s.io/kustomize/pkg/ifc/transformer"
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"sigs.k8s.io/kustomize/pkg/loader"
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"sigs.k8s.io/kustomize/pkg/resmap"
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"sigs.k8s.io/kustomize/pkg/target"
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)
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// Options contain the options for running a build
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type Options struct {
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kustomizationPath string
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outputPath string
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}
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// NewOptions creates a Options object
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func NewOptions(p, o string) *Options {
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return &Options{
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kustomizationPath: p,
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outputPath: o,
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}
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}
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var examples = `
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Use the file somedir/kustomization.yaml to generate a set of api resources:
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build somedir
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Use a url pointing to a remote directory/kustomization.yaml to generate a set of api resources:
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build url
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The url should follow hashicorp/go-getter URL format described in
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https://github.com/hashicorp/go-getter#url-format
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url examples:
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sigs.k8s.io/kustomize//examples/multibases?ref=v1.0.6
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github.com/Liujingfang1/mysql
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github.com/Liujingfang1/kustomize//examples/helloWorld?ref=repoUrl2
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`
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// NewCmdBuild creates a new build command.
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func NewCmdBuild(
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out io.Writer, fs fs.FileSystem,
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rf *resmap.Factory,
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ptf transformer.Factory) *cobra.Command {
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var o Options
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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.KustomizationFileNames[0],
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Example: examples,
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SilenceUsage: true,
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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, fs, rf, ptf)
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},
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}
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cmd.Flags().StringVarP(
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&o.outputPath,
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"output", "o", "",
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"If specified, write the build output to this path.")
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return cmd
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}
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// Validate validates build command.
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func (o *Options) Validate(args []string) error {
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if len(args) > 1 {
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return errors.New("specify one path to " + constants.KustomizationFileNames[0])
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}
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if len(args) == 0 {
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o.kustomizationPath = "./"
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} else {
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o.kustomizationPath = args[0]
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}
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return nil
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}
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// RunBuild runs build command.
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func (o *Options) RunBuild(
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out io.Writer, fSys fs.FileSystem,
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rf *resmap.Factory, ptf transformer.Factory) error {
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ldr, err := loader.NewLoader(o.kustomizationPath, fSys)
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if err != nil {
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return err
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}
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defer ldr.Cleanup()
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kt, err := target.NewKustTarget(ldr, rf, ptf)
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if err != nil {
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return err
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}
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allResources, err := kt.MakeCustomizedResMap()
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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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if o.outputPath != "" {
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return fSys.WriteFile(o.outputPath, res)
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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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