Normalize the json image/dir source (#180)

* normalize the json image/dir source

Signed-off-by: Alex Goodman <alex.goodman@anchore.com>

* update json image presenter golden file

Signed-off-by: Alex Goodman <alex.goodman@anchore.com>

schema/json/schema.json

@@ -200,6 +200,9 @@
                                     }
                                 ]
                             },
+                            "name": {
+                                "type": "string"
+                            },
                             "originPackage": {
                                 "type": "string"
                             },
@@ -444,9 +447,15 @@
                             "source": {
                                 "type": "string"
                             },
+                            "sourceRpm": {
+                                "type": "string"
+                            },
                             "url": {
                                 "type": "string"
                             },
+                            "vendor": {
+                                "type": "string"
+                            },
                             "version": {
                                 "type": "string"
                             }
@@ -474,10 +483,14 @@
             },
             "type": "array"
         },
-        "directory": {
+        "source": {
+            "properties": {
+                "target": {
+                    "anyOf": [
+                        {
                             "type": "string"
                         },
-        "image": {
+                        {
                             "properties": {
                                 "digest": {
                                     "type": "string"
@@ -526,9 +539,22 @@
                             ],
                             "type": "object"
                         }
+                    ]
+                },
+                "type": {
+                    "type": "string"
+                }
             },
             "required": [
-        "artifacts"
+                "target",
+                "type"
+            ],
+            "type": "object"
+        }
+    },
+    "required": [
+        "artifacts",
+        "source"
     ],
     "type": "object"
 }

syft/lib.go

@@ -3,7 +3,7 @@ A "one-stop-shop" for helper utilities for all major functionality provided by c
 
 Here is what the main execution path for syft does:
 
-	1. Parse a user image string to get a stereoscope image.Image object
+	1. Parse a user image string to get a stereoscope image.Source object
 	2. Invoke all catalogers to catalog the image, adding discovered packages to a single catalog object
 	3. Invoke a single presenter to show the contents of the catalog
 

syft/presenter/json/document.go

@@ -1,16 +1,13 @@
 package json
 
 import (
-	"fmt"
-
 	"github.com/anchore/syft/syft/pkg"
 	"github.com/anchore/syft/syft/scope"
 )
 
 type Document struct {
 	Artifacts []Artifact `json:"artifacts"`
-	Image     *Image     `json:"image,omitempty"`
-	Directory *string    `json:"directory,omitempty"`
+	Source    Source     `json:"source"`
 }
 
 func NewDocument(catalog *pkg.Catalog, s scope.Scope) (Document, error) {
@@ -18,15 +15,11 @@ func NewDocument(catalog *pkg.Catalog, s scope.Scope) (Document, error) {
 		Artifacts: make([]Artifact, 0),
 	}
 
-	srcObj := s.Source()
-	switch src := srcObj.(type) {
-	case scope.ImageSource:
-		doc.Image = NewImage(src)
-	case scope.DirSource:
-		doc.Directory = &s.DirSrc.Path
-	default:
-		return Document{}, fmt.Errorf("unsupported source: %T", src)
+	src, err := NewSource(s)
+	if err != nil {
+		return Document{}, nil
 	}
+	doc.Source = src
 
 	for _, p := range catalog.Sorted() {
 		art, err := NewArtifact(p, s)

syft/presenter/json/source.go

@@ -0,0 +1,30 @@
+package json
+
+import (
+	"fmt"
+
+	"github.com/anchore/syft/syft/scope"
+)
+
+type Source struct {
+	Type   string      `json:"type"`
+	Target interface{} `json:"target"`
+}
+
+func NewSource(s scope.Scope) (Source, error) {
+	srcObj := s.Source()
+	switch src := srcObj.(type) {
+	case scope.ImageSource:
+		return Source{
+			Type:   "image",
+			Target: NewImage(src),
+		}, nil
+	case scope.DirSource:
+		return Source{
+			Type:   "directory",
+			Target: s.DirSrc.Path,
+		}, nil
+	default:
+		return Source{}, fmt.Errorf("unsupported source: %T", src)
+	}
+}

syft/presenter/json/test-fixtures/snapshot/TestJsonDirsPresenter.golden

@@ -23,5 +23,8 @@
    ]
   }
  ],
- "directory": "/some/path"
+ "source": {
+  "type": "directory",
+  "target": "/some/path"
+ }
 }

syft/presenter/json/test-fixtures/snapshot/TestJsonImgsPresenter.golden

@@ -29,7 +29,9 @@
    ]
   }
  ],
- "image": {
+ "source": {
+  "type": "image",
+  "target": {
    "layers": [
     {
      "mediaType": "application/vnd.docker.image.rootfs.diff.tar.gzip",
@@ -55,3 +57,4 @@
    ]
   }
  }
+}