feat: testing (#34)

## Description

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At least please give us some description what you are trying to achieve and why your change is needed. -->

relates to #1234

## Checklist

- [ ] Issue was linked above
- [ ] Code format was applied: `make fmt`
- [ ] Examples were added / adjusted (see `examples/` directory)
- [x] Docs are up-to-date: `make generate-docs` (will be checked by CI)
- [ ] Unit tests got implemented or updated
- [ ] Acceptance tests got implemented or updated (see e.g. [here](f5f99d1709/stackit/internal/services/dns/dns_acc_test.go))
- [x] Unit tests are passing: `make test` (will be checked by CI)
- [x] No linter issues: `make lint` (will be checked by CI)

Reviewed-on: #34
Co-authored-by: Marcel S. Henselin <marcel.henselin@stackit.cloud>
Co-committed-by: Marcel S. Henselin <marcel.henselin@stackit.cloud>

cmd/cmd/build/build.go

@@ -39,17 +39,15 @@ type version struct {
 }
 
 type Builder struct {
-	SkipClone   bool
-	SkipCleanup bool
+	SkipClone    bool
+	SkipCleanup  bool
+	PackagesOnly bool
 }
 
 func (b *Builder) Build() error {
 	slog.Info("Starting Builder")
-
-	slog.Info("  ... Checking needed commands available")
-	err := checkCommands([]string{"tfplugingen-framework", "tfplugingen-openapi"})
-	if err != nil {
-		return err
+	if b.PackagesOnly {
+		slog.Info("  >>> only generating pkg_gen <<<")
 	}
 
 	root, err := getRoot()
@@ -61,13 +59,23 @@ func (b *Builder) Build() error {
 	}
 	slog.Info("  ... using root directory", "dir", *root)
 
-	if !b.SkipCleanup {
-		slog.Info("Cleaning up old generator directory")
-		err = os.RemoveAll(path.Join(*root, GEN_REPO_NAME))
+	if !b.PackagesOnly {
+		slog.Info("  ... Checking needed commands available")
+		err := checkCommands([]string{"tfplugingen-framework", "tfplugingen-openapi"})
 		if err != nil {
 			return err
 		}
+	}
 
+	if !b.SkipCleanup {
+		slog.Info("Cleaning up old packages directory")
+		err = os.RemoveAll(path.Join(*root, "pkg_gen"))
+		if err != nil {
+			return err
+		}
+	}
+
+	if !b.SkipCleanup && !b.PackagesOnly {
 		slog.Info("Cleaning up old packages directory")
 		err = os.RemoveAll(path.Join(*root, "pkg_gen"))
 		if err != nil {
@@ -211,24 +219,26 @@ func (b *Builder) Build() error {
 		}
 	}
 
-	slog.Info("Generating service boilerplate")
-	err = generateServiceFiles(*root, path.Join(*root, GEN_REPO_NAME))
-	if err != nil {
-		return err
-	}
+	if !b.PackagesOnly {
+		slog.Info("Generating service boilerplate")
+		err = generateServiceFiles(*root, path.Join(*root, GEN_REPO_NAME))
+		if err != nil {
+			return err
+		}
 
-	slog.Info("Copying all service files")
-	err = CopyDirectory(
-		path.Join(*root, "generated", "internal", "services"),
-		path.Join(*root, "stackit", "internal", "services"),
-	)
-	if err != nil {
-		return err
-	}
+		slog.Info("Copying all service files")
+		err = CopyDirectory(
+			path.Join(*root, "generated", "internal", "services"),
+			path.Join(*root, "stackit", "internal", "services"),
+		)
+		if err != nil {
+			return err
+		}
 
-	err = createBoilerplate(*root, path.Join(*root, "stackit", "internal", "services"))
-	if err != nil {
-		return err
+		err = createBoilerplate(*root, path.Join(*root, "stackit", "internal", "services"))
+		if err != nil {
+			return err
+		}
 	}
 
 	if !b.SkipCleanup {

cmd/cmd/buildCmd.go

@@ -6,8 +6,9 @@ import (
 )
 
 var (
-	skipCleanup bool
-	skipClone   bool
+	skipCleanup  bool
+	skipClone    bool
+	packagesOnly bool
 )
 
 var buildCmd = &cobra.Command{
@@ -16,8 +17,9 @@ var buildCmd = &cobra.Command{
 	Long:  `...`,
 	RunE: func(cmd *cobra.Command, args []string) error {
 		b := build.Builder{
-			SkipClone:   skipClone,
-			SkipCleanup: skipCleanup,
+			SkipClone:    skipClone,
+			SkipCleanup:  skipCleanup,
+			PackagesOnly: packagesOnly,
 		}
 		return b.Build()
 	},
@@ -30,4 +32,5 @@ func NewBuildCmd() *cobra.Command {
 func init() { // nolint: gochecknoinits
 	buildCmd.Flags().BoolVarP(&skipCleanup, "skip-clean", "c", false, "Skip cleanup steps")
 	buildCmd.Flags().BoolVarP(&skipClone, "skip-clone", "g", false, "Skip cloning from git")
+	buildCmd.Flags().BoolVarP(&packagesOnly, "packages-only", "p", false, "Only generate packages")
 }