Use install pkg in CLI

Signed-off-by: Stefan Prodan <stefan.prodan@gmail.com>

pkg/install/install.go

@@ -28,13 +28,13 @@ import (
 // Generate returns the install manifests as a multi-doc YAML.
 // The manifests are built from a GitHub release or from a
 // Kustomize overlay if the supplied Options.BaseURL is a local path.
-func Generate(options Options) (string, error) {
+func Generate(options Options) ([]byte, error) {
 	ctx, cancel := context.WithTimeout(context.Background(), options.Timeout)
 	defer cancel()
 
 	tmpDir, err := ioutil.TempDir("", options.Namespace)
 	if err != nil {
-		return "", fmt.Errorf("temp dir error: %w", err)
+		return nil, fmt.Errorf("temp dir error: %w", err)
 	}
 	defer os.RemoveAll(tmpDir)
 
@@ -42,26 +42,26 @@ func Generate(options Options) (string, error) {
 
 	if !strings.HasPrefix(options.BaseURL, "http") {
 		if err := build(options.BaseURL, output); err != nil {
-			return "", err
+			return nil, err
 		}
 	} else {
 		if err := fetch(ctx, options.BaseURL, options.Version, tmpDir); err != nil {
-			return "", err
+			return nil, err
 		}
 
 		if err := generate(tmpDir, options); err != nil {
-			return "", err
+			return nil, err
 		}
 
 		if err := build(tmpDir, output); err != nil {
-			return "", err
+			return nil, err
 		}
 	}
 
 	content, err := ioutil.ReadFile(output)
 	if err != nil {
-		return "", err
+		return nil, err
 	}
 
-	return string(content), nil
+	return content, nil
 }

pkg/install/install_test.go

@@ -31,10 +31,10 @@ func TestGenerate(t *testing.T) {
 
 	for _, component := range opts.Components {
 		img := fmt.Sprintf("%s/%s", opts.Registry, component)
-		if !strings.Contains(output, img) {
+		if !strings.Contains(string(output), img) {
 			t.Errorf("component image '%s' not found", img)
 		}
 	}
 
-	fmt.Println(output)
+	fmt.Println(string(output))
 }