render: support rendering DC from packagemanifest and bundle directories

internal/action/render.go

@@ -13,6 +13,7 @@ import (
 
 	"github.com/h2non/filetype"
 	"github.com/h2non/filetype/matchers"
+	"github.com/operator-framework/api/pkg/operators/v1alpha1"
 	"github.com/sirupsen/logrus"
 	"k8s.io/apimachinery/pkg/util/sets"
 
@@ -30,10 +31,12 @@ type RefType uint
 
 const (
 	RefBundleImage RefType = 1 << iota
+	RefBundleDir
 	RefSqliteImage
 	RefSqliteFile
 	RefDCImage
 	RefDCDir
+	RefPackageManifestDir
 
 	RefAll = 0
 )
@@ -100,25 +103,48 @@ func (r Render) createRegistry() (*containerdregistry.Registry, error) {
 }
 
 func (r Render) renderReference(ctx context.Context, ref string) (*declcfg.DeclarativeConfig, error) {
-	if stat, serr := os.Stat(ref); serr == nil {
-		if stat.IsDir() {
-			if !r.AllowedRefMask.Allowed(RefDCDir) {
-				return nil, fmt.Errorf("cannot render declarative config directory: %w", ErrNotAllowed)
+	stat, err := os.Stat(ref)
+	if err != nil {
+		return r.imageToDeclcfg(ctx, ref)
+	}
+	if stat.IsDir() {
+		dirEntries, err := os.ReadDir(ref)
+		if err != nil {
+			return nil, err
+		}
+		if isBundle(dirEntries) {
+			// Looks like a bundle directory
+			if !r.AllowedRefMask.Allowed(RefBundleDir) {
+				return nil, fmt.Errorf("cannot render bundle directory: %w", ErrNotAllowed)
 			}
-			return declcfg.LoadFS(os.DirFS(ref))
-		} else {
-			// The only supported file type is an sqlite DB file,
-			// since declarative configs will be in a directory.
-			if err := checkDBFile(ref); err != nil {
+			img, err := registry.NewImageInput(image.SimpleReference(""), ref)
+			if err != nil {
 				return nil, err
 			}
-			if !r.AllowedRefMask.Allowed(RefSqliteFile) {
-				return nil, fmt.Errorf("cannot render sqlite file: %w", ErrNotAllowed)
+			return bundleToDeclcfg(img.Bundle, true)
+		} else if isPackageManifest(dirEntries) {
+			// Looks like a package manifest directory
+			if !r.AllowedRefMask.Allowed(RefPackageManifestDir) {
+				return nil, fmt.Errorf("cannot render package manifest directory: %w", ErrNotAllowed)
 			}
-			return sqliteToDeclcfg(ctx, ref)
+			return renderPackageManifest(ctx, ref)
 		}
+
+		// Otherwise, assume it is a declarative config root directory.
+		if !r.AllowedRefMask.Allowed(RefDCDir) {
+			return nil, fmt.Errorf("cannot render declarative config directory: %w", ErrNotAllowed)
+		}
+		return declcfg.LoadFS(os.DirFS(ref))
+	}
+	// The only supported file type is an sqlite DB file,
+	// since declarative configs will be in a directory.
+	if err := checkDBFile(ref); err != nil {
+		return nil, err
+	}
+	if !r.AllowedRefMask.Allowed(RefSqliteFile) {
+		return nil, fmt.Errorf("cannot render sqlite file: %w", ErrNotAllowed)
 	}
-	return r.imageToDeclcfg(ctx, ref)
+	return sqliteToDeclcfg(ctx, ref)
 }
 
 func (r Render) imageToDeclcfg(ctx context.Context, imageRef string) (*declcfg.DeclarativeConfig, error) {
@@ -165,7 +191,7 @@ func (r Render) imageToDeclcfg(ctx context.Context, imageRef string) (*declcfg.D
 			return nil, err
 		}
 
-		cfg, err = bundleToDeclcfg(img.Bundle)
+		cfg, err = bundleToDeclcfg(img.Bundle, false)
 		if err != nil {
 			return nil, err
 		}
@@ -273,7 +299,7 @@ func populateDBRelatedImages(ctx context.Context, cfg *declcfg.DeclarativeConfig
 	return nil
 }
 
-func bundleToDeclcfg(bundle *registry.Bundle) (*declcfg.DeclarativeConfig, error) {
+func bundleToDeclcfg(bundle *registry.Bundle, inlineManifests bool) (*declcfg.DeclarativeConfig, error) {
 	bundleProperties, err := registry.PropertiesFromBundle(bundle)
 	if err != nil {
 		return nil, fmt.Errorf("get properties for bundle %q: %v", bundle.Name, err)
@@ -283,13 +309,33 @@ func bundleToDeclcfg(bundle *registry.Bundle) (*declcfg.DeclarativeConfig, error
 		return nil, fmt.Errorf("get related images for bundle %q: %v", bundle.Name, err)
 	}
 
+	var (
+		objs    []string
+		csvJSON string
+	)
+	if inlineManifests {
+		for _, obj := range bundle.Objects {
+			objJSON, err := json.Marshal(obj)
+			if err != nil {
+				return nil, fmt.Errorf("marshal bundle object %q (kind: %q)", obj.GetName(), obj.GetKind())
+			}
+			bundleProperties = append(bundleProperties, property.MustBuildBundleObjectData(objJSON))
+			objs = append(objs, string(objJSON))
+			if obj.GetKind() == v1alpha1.ClusterServiceVersionKind && csvJSON == "" {
+				csvJSON = string(objJSON)
+			}
+		}
+	}
+
 	dBundle := declcfg.Bundle{
 		Schema:        "olm.bundle",
 		Name:          bundle.Name,
 		Package:       bundle.Package,
 		Image:         bundle.BundleImage,
 		Properties:    bundleProperties,
 		RelatedImages: relatedImages,
+		Objects:       objs,
+		CsvJSON:       csvJSON,
 	}
 
 	return &declcfg.DeclarativeConfig{Bundles: []declcfg.Bundle{dBundle}}, nil
@@ -343,3 +389,63 @@ func combineConfigs(cfgs []declcfg.DeclarativeConfig) *declcfg.DeclarativeConfig
 	}
 	return out
 }
+
+func isBundle(entries []os.DirEntry) bool {
+	foundManifests := false
+	foundMetadata := false
+	for _, e := range entries {
+		if e.IsDir() {
+			switch e.Name() {
+			case "manifests":
+				foundManifests = true
+			case "metadata":
+				foundMetadata = true
+			}
+		}
+		if foundMetadata && foundManifests {
+			return true
+		}
+	}
+	return false
+}
+
+func isPackageManifest(entries []os.DirEntry) bool {
+	for _, e := range entries {
+		if strings.HasSuffix(e.Name(), ".package.yaml") || strings.HasSuffix(e.Name(), ".package.yml") {
+			return true
+		}
+	}
+	return false
+}
+
+func renderPackageManifest(ctx context.Context, ref string) (*declcfg.DeclarativeConfig, error) {
+	tmpDB, err := os.CreateTemp("", "opm-render-pm-")
+	if err != nil {
+		return nil, err
+	}
+	if err := tmpDB.Close(); err != nil {
+		return nil, err
+	}
+
+	db, err := sqlite.Open(tmpDB.Name())
+	if err != nil {
+		return nil, err
+	}
+	defer db.Close()
+	defer os.RemoveAll(tmpDB.Name())
+
+	dbLoader, err := sqlite.NewSQLLiteLoader(db)
+	if err != nil {
+		return nil, err
+	}
+	if err := dbLoader.Migrate(context.TODO()); err != nil {
+		return nil, err
+	}
+
+	loader := sqlite.NewSQLLoaderForDirectory(dbLoader, ref)
+	if err := loader.Populate(); err != nil {
+		return nil, fmt.Errorf("error loading manifests from directory: %s", err)
+	}
+
+	return sqliteToDeclcfg(ctx, tmpDB.Name())
+}