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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,125 @@ | ||
| package cmd | ||
|
|
||
| import ( | ||
| "errors" | ||
| "fmt" | ||
| "io" | ||
| "os" | ||
| "path/filepath" | ||
|
|
||
| "github.com/spf13/cobra" | ||
| "k8s.io/apiextensions-apiserver/pkg/apis/apiextensions/v1beta1" | ||
|
|
||
| "github.com/Skarlso/crd-to-sample-yaml/pkg" | ||
| ) | ||
|
|
||
| const ( | ||
| FormatHTML = "html" | ||
| FormatYAML = "yaml" | ||
| ) | ||
|
|
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| // crdCmd is the command that generates CRD output. | ||
| var crdCmd = &cobra.Command{ | ||
| Use: "crd", | ||
| Short: "Simply generate a CRD output.", | ||
| RunE: runGenerate, | ||
| } | ||
|
|
||
| type Handler interface { | ||
| CRDs() ([]*v1beta1.CustomResourceDefinition, error) | ||
| } | ||
|
|
||
| func init() { | ||
| generateCmd.AddCommand(crdCmd) | ||
| } | ||
|
|
||
| func runGenerate(_ *cobra.Command, _ []string) error { | ||
| crdHandler, err := constructHandler(args) | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
|
||
| if args.format == FormatHTML { | ||
| if err := pkg.LoadTemplates(); err != nil { | ||
| return fmt.Errorf("failed to load templates: %w", err) | ||
| } | ||
| } | ||
|
|
||
| // determine location of output | ||
| if args.output == "" { | ||
| loc, err := os.Executable() | ||
| if err != nil { | ||
| return fmt.Errorf("failed to determine executable location: %w", err) | ||
| } | ||
|
|
||
| args.output = filepath.Dir(loc) | ||
| } | ||
|
|
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| crds, err := crdHandler.CRDs() | ||
| if err != nil { | ||
| return fmt.Errorf("failed to load CRDs: %w", err) | ||
| } | ||
|
|
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| var w io.WriteCloser | ||
|
|
||
| if args.format == FormatHTML { | ||
| if args.stdOut { | ||
| w = os.Stdout | ||
| } else { | ||
| w, err = os.Create(args.output) | ||
| if err != nil { | ||
| return fmt.Errorf("failed to create output file: %w", err) | ||
| } | ||
|
|
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| defer w.Close() | ||
| } | ||
|
|
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| return pkg.RenderContent(w, crds, args.comments, args.minimal) | ||
| } | ||
|
|
||
| var errs []error //nolint:prealloc // nope | ||
| for _, crd := range crds { | ||
| if args.stdOut { | ||
| w = os.Stdout | ||
| } else { | ||
| outputLocation := filepath.Join(args.output, crd.Name+"_sample."+args.format) | ||
| // closed later during render | ||
| outputFile, err := os.Create(outputLocation) | ||
| if err != nil { | ||
| errs = append(errs, fmt.Errorf("failed to create file at: '%s': %w", outputLocation, err)) | ||
|
|
||
| continue | ||
| } | ||
|
|
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| w = outputFile | ||
| } | ||
|
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| errs = append(errs, pkg.Generate(crd, w, args.comments, args.minimal, args.skipRandom)) | ||
| } | ||
|
|
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| return errors.Join(errs...) | ||
| } | ||
|
|
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| func constructHandler(args *rootArgs) (Handler, error) { | ||
| var crdHandler Handler | ||
|
|
||
| switch { | ||
| case args.fileLocation != "": | ||
| crdHandler = &FileHandler{location: args.fileLocation} | ||
| case args.folderLocation != "": | ||
| crdHandler = &FolderHandler{location: args.folderLocation} | ||
| case args.url != "": | ||
| crdHandler = &URLHandler{ | ||
| url: args.url, | ||
| username: args.username, | ||
| password: args.password, | ||
| token: args.token, | ||
| } | ||
| } | ||
|
|
||
| if crdHandler == nil { | ||
| return nil, errors.New("one of the flags (file, folder, url) must be set") | ||
| } | ||
|
|
||
| return crdHandler, nil | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,65 @@ | ||
| package cmd | ||
|
|
||
| import ( | ||
| "fmt" | ||
| "os" | ||
| "path/filepath" | ||
|
|
||
| "github.com/spf13/cobra" | ||
| "k8s.io/apimachinery/pkg/util/json" | ||
| ) | ||
|
|
||
| // schemaCmd is a command that can generate json schemas. | ||
| var schemaCmd = &cobra.Command{ | ||
| Use: "schema", | ||
| Short: "Simply generate a JSON schema from the CRD.", | ||
| RunE: runGenerateSchema, | ||
| } | ||
|
|
||
| func runGenerateSchema(_ *cobra.Command, _ []string) error { | ||
| crdHandler, err := constructHandler(args) | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
|
||
| // determine location of output | ||
| if args.output == "" { | ||
| loc, err := os.Executable() | ||
| if err != nil { | ||
| return fmt.Errorf("failed to determine executable location: %w", err) | ||
| } | ||
|
|
||
| args.output = filepath.Dir(loc) | ||
| } | ||
|
|
||
| crds, err := crdHandler.CRDs() | ||
| if err != nil { | ||
| return fmt.Errorf("failed to load CRDs: %w", err) | ||
| } | ||
|
|
||
| for _, crd := range crds { | ||
| for _, v := range crd.Spec.Versions { | ||
| if v.Schema.OpenAPIV3Schema.ID == "" { | ||
| v.Schema.OpenAPIV3Schema.ID = "https://crdtoyaml.com/" + crd.Spec.Names.Kind + "." + crd.Spec.Group + "." + v.Name + ".schema.json" | ||
| } | ||
| if v.Schema.OpenAPIV3Schema.Schema == "" { | ||
| v.Schema.OpenAPIV3Schema.Schema = "https://json-schema.org/draft/2020-12/schema" | ||
| } | ||
| content, err := json.Marshal(v.Schema.OpenAPIV3Schema) | ||
| if err != nil { | ||
| return fmt.Errorf("failed to marshal schema: %w", err) | ||
| } | ||
|
|
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| const perm = 0o600 | ||
| if err := os.WriteFile(filepath.Join(args.output, crd.Spec.Names.Kind+"."+crd.Spec.Group+"."+v.Name+".json"), content, perm); err != nil { | ||
| return fmt.Errorf("failed to write schema: %w", err) | ||
| } | ||
| } | ||
| } | ||
|
|
||
| return nil | ||
| } | ||
|
|
||
| func init() { | ||
| generateCmd.AddCommand(schemaCmd) | ||
| } |