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Merge pull request #290 from Liujingfang1/master
add scaffold from controller-tools with backward compatibility
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,158 @@ | ||
| /* | ||
| Copyright 2018 The Kubernetes Authors. | ||
| Licensed under the Apache License, Version 2.0 (the "License"); | ||
| you may not use this file except in compliance with the License. | ||
| You may obtain a copy of the License at | ||
| http://www.apache.org/licenses/LICENSE-2.0 | ||
| Unless required by applicable law or agreed to in writing, software | ||
| distributed under the License is distributed on an "AS IS" BASIS, | ||
| WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| See the License for the specific language governing permissions and | ||
| limitations under the License. | ||
| */ | ||
|
|
||
| package initproject | ||
|
|
||
| import ( | ||
| "fmt" | ||
| "log" | ||
| "os" | ||
| "os/exec" | ||
| "strings" | ||
|
|
||
| "github.com/kubernetes-sigs/kubebuilder/cmd/kubebuilder/util" | ||
| "github.com/spf13/cobra" | ||
| flag "github.com/spf13/pflag" | ||
| "sigs.k8s.io/controller-tools/pkg/scaffold" | ||
| "sigs.k8s.io/controller-tools/pkg/scaffold/input" | ||
| "sigs.k8s.io/controller-tools/pkg/scaffold/manager" | ||
| "sigs.k8s.io/controller-tools/pkg/scaffold/project" | ||
| ) | ||
|
|
||
| type projectOptions struct { | ||
| prj *project.Project | ||
| bp *project.Boilerplate | ||
| gopkg *project.GopkgToml | ||
| mgr *manager.Cmd | ||
| dkr *manager.Dockerfile | ||
| dep bool | ||
| depFlag *flag.Flag | ||
| } | ||
|
|
||
| var v1comment = "Works only with --project-version v1. " | ||
|
|
||
| func (o *projectOptions) RunInit() { | ||
| if util.ProjectExist() { | ||
| fmt.Println("Failed to initialize project bacause project is already initialized") | ||
| return | ||
| } | ||
| // project and boilerplate must come before main so the boilerplate exists | ||
| s := &scaffold.Scaffold{ | ||
| BoilerplateOptional: true, | ||
| ProjectOptional: true, | ||
| } | ||
|
|
||
| p, _ := o.prj.GetInput() | ||
| b, _ := o.bp.GetInput() | ||
| err := s.Execute(input.Options{ProjectPath: p.Path, BoilerplatePath: b.Path}, o.prj, o.bp) | ||
| if err != nil { | ||
| log.Fatal(err) | ||
| } | ||
|
|
||
| s = &scaffold.Scaffold{} | ||
| err = s.Execute(input.Options{ProjectPath: p.Path, BoilerplatePath: b.Path}, | ||
| o.gopkg, o.mgr, &project.Makefile{}, o.dkr, &manager.APIs{}, &manager.Controller{}, &manager.Config{}, | ||
| &project.GitIgnore{}) | ||
| if err != nil { | ||
| log.Fatal(err) | ||
| } | ||
|
|
||
| if !o.depFlag.Changed { | ||
| fmt.Println("Run `dep ensure` to fetch dependencies (Recommended) [y/n]?") | ||
| o.dep = util.Yesno() | ||
| } | ||
| if o.dep { | ||
| c := exec.Command("dep", "ensure") // #nosec | ||
| c.Stderr = os.Stderr | ||
| c.Stdout = os.Stdout | ||
| fmt.Println(strings.Join(c.Args, " ")) | ||
| if err := c.Run(); err != nil { | ||
| log.Fatal(err) | ||
| } | ||
|
|
||
| fmt.Println("Running make...") | ||
| c = exec.Command("make") // #nosec | ||
| c.Stderr = os.Stderr | ||
| c.Stdout = os.Stdout | ||
| fmt.Println(strings.Join(c.Args, " ")) | ||
| if err := c.Run(); err != nil { | ||
| log.Fatal(err) | ||
| } | ||
| } else { | ||
| fmt.Println("Skipping `dep ensure`. Dependencies will not be fetched.") | ||
| } | ||
| fmt.Printf("Next: Define a resource with:\n" + | ||
| "$ kubebuilder create api\n") | ||
| } | ||
|
|
||
| func AddProjectCommand(cmd *cobra.Command) { | ||
| o := projectOptions{} | ||
|
|
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| projectCmd := &cobra.Command{ | ||
| Use: "init", | ||
| Short: "Scaffold a new project.", | ||
| Long: `Scaffold a project. | ||
| Writes the following files: | ||
| - a boilerplate license file | ||
| - a PROJECT file with the domain and repo | ||
| - a Makefile to build the project | ||
| - a Gopkg.toml with project dependencies | ||
| - a cmd/manager/main.go to run | ||
| project will prompt the user to run 'dep ensure' after writing the project files. | ||
| `, | ||
| Example: `# Scaffold a project using the apache2 license with "The Kubernetes authors" as owners | ||
| kubebuilder init --domain k8s.io --license apache2 --owner "The Kubernetes authors" | ||
| `, | ||
| Run: func(cmd *cobra.Command, args []string) { | ||
| o.RunInit() | ||
| }, | ||
| } | ||
|
|
||
| projectCmd.Flags().BoolVar( | ||
| &o.dep, "dep", true, "if specified, determines whether dep will be used.") | ||
| o.depFlag = projectCmd.Flag("dep") | ||
|
|
||
| o.prj = projectForFlags(projectCmd.Flags()) | ||
| o.bp = boilerplateForFlags(projectCmd.Flags()) | ||
| o.gopkg = &project.GopkgToml{} | ||
| o.mgr = &manager.Cmd{} | ||
| o.dkr = &manager.Dockerfile{} | ||
|
|
||
| cmd.AddCommand(projectCmd) | ||
| } | ||
|
|
||
| // projectForFlags registers flags for Project fields and returns the Project | ||
| func projectForFlags(f *flag.FlagSet) *project.Project { | ||
| p := &project.Project{} | ||
| f.StringVar(&p.Repo, "repo", "", v1comment + "name of the github repo. "+ | ||
| "defaults to the go package of the current working directory.") | ||
| p.Version = "2" | ||
| p.Domain = "k8s.io" | ||
| return p | ||
| } | ||
|
|
||
| // boilerplateForFlags registers flags for Boilerplate fields and returns the Boilerplate | ||
| func boilerplateForFlags(f *flag.FlagSet) *project.Boilerplate { | ||
| b := &project.Boilerplate{} | ||
| f.StringVar(&b.Path, "path", "", v1comment + "path for boilerplate") | ||
| f.StringVar(&b.License, "license", "apache2", | ||
| v1comment + "license to use to boilerplate. Maybe one of apache2,none") | ||
| f.StringVar(&b.Owner, "owner", "", | ||
| v1comment + "Owner to add to the copyright") | ||
| return b | ||
| } |
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