ostree-installer: Use dvd-ostree as type in metadata

This depends on python-productmd >= 1.3 that understands this format.

Fixes: #417
Signed-off-by: Lubomír Sedlář <lsedlar@redhat.com>

pungi/phases/ostree_installer.py

@@ -108,7 +108,7 @@ class OstreeInstallerThread(WorkerThread):
         img.mtime = util.get_mtime(full_iso_path)
         img.size = util.get_file_size(full_iso_path)
         img.arch = arch
-        img.type = "boot"
+        img.type = "dvd-ostree"
         img.format = "iso"
         img.disc_number = 1
         img.disc_count = 1

tests/test_ostree_installer_phase.py

@@ -61,7 +61,7 @@ class OstreeThreadTest(helpers.PungiTestCase):
         self.assertEqual(image.mtime, 13579)
         self.assertEqual(image.size, 1024)
         self.assertEqual(image.arch, 'x86_64')
-        self.assertEqual(image.type, "boot")
+        self.assertEqual(image.type, "dvd-ostree")
         self.assertEqual(image.format, "iso")
         self.assertEqual(image.disc_number, 1)
         self.assertEqual(image.disc_count, 1)