tools/image-info: support iso

Add the support for ISOs. Mounting then as a loopack device and then
accessing the content as a tarball

tools/image-info

@@ -18,6 +18,7 @@ import time
 import tempfile
 import xml.etree.ElementTree
 import yaml
+import pathlib
 import jsonschema
 
 from collections import OrderedDict
@@ -2835,6 +2836,21 @@ def analyse_compressed(path):
         image = os.path.join(tmpdir, files[0])
         return analyse_image(image)
 
+def is_iso(path):
+    return "iso" in pathlib.Path(path).suffix
+
+
+def analyse_iso(path):
+    with tempfile.TemporaryDirectory(dir="/var/tmp") as tmp:
+        report = None
+        subprocess.run(["mount", "-o", "loop", path, tmp], check=True)
+        try:
+            report = analyse_tarball(os.path.join(tmp, "liveimg.tar.gz"))
+        except Exception as e:
+            print(f"{e}", file=sys.stderr)
+        subprocess.run(["umount", tmp], check=True)
+        return report
+
 
 def main():
     parser = argparse.ArgumentParser(description="Inspect an image")
@@ -2851,6 +2867,8 @@ def main():
         report = analyse_tarball(target)
     elif is_compressed(target):
         report = analyse_compressed(target)
+    elif is_iso(target):
+        report = analyse_iso(target)
     else:
         report = analyse_image(target)