fix: enable Kaniko archive (CN-942) (#776)

* fix: add separate test:unit and test:system steps

* fix: update resource class to medium to fix OOM

* fix: add kaniko archive case

* fix: add test case to validate Kaniko extraction

* fix: updated dates on ignores

Author: ividalATSnyk

lib/scan.ts

@@ -259,6 +259,7 @@ export async function extractContent(
   switch (imageType) {
     case ImageType.DockerArchive:
     case ImageType.OciArchive:
+    case ImageType.KanikoArchive:
       imagePath = getAndValidateArchivePath(targetImage);
       break;
     case ImageType.Identifier:

test/system/image-type/kaniko-archive.spec.ts

@@ -1,4 +1,4 @@
-import { scan } from "../../../lib";
+import { extractContent, scan } from "../../../lib";
 import { getFixture } from "../../util";
 
 describe("kaniko archive scanning", () => {
@@ -12,4 +12,13 @@ describe("kaniko archive scanning", () => {
 
     expect(pluginResult).toMatchSnapshot();
   });
+
+  it("should extract content from a kaniko archive without throwing", async () => {
+    const fixturePath = getFixture("kaniko-archives/kaniko-busybox.tar");
+    const imageNameAndTag = `kaniko-archive:${fixturePath}`;
+
+    await expect(
+      extractContent([], { path: imageNameAndTag }),
+    ).resolves.not.toThrow();
+  });
 });