Added a function to check if the repository endpoint is none

Leapp is not able to handle these types of repositories, so we should refrain from adding them.

pleskdistup/common/src/rpm.py

@@ -216,3 +216,17 @@ def upgrade_packages(pkgs: typing.Optional[typing.List[str]] = None) -> None:
 
 def autoremove_outdated_packages() -> None:
     util.logged_check_call(["/usr/bin/yum", "autoremove", "-y"])
+
+
+def repository_has_none_link(
+    id: typing.Optional[str],
+    name: typing.Optional[str],
+    url: typing.Optional[str],
+    metalink: typing.Optional[str],
+    mirrorlist: typing.Optional[str]
+) -> bool:
+    for link in (url, metalink, mirrorlist):
+        if link is not None and link.lower() == "none":
+            return True
+
+    return False

pleskdistup/common/tests/rpmtests.py

@@ -377,3 +377,23 @@ def test_handle_whole_directory(self):
             self.assertEqual(open(full_filepath).read(), content)
 
         shutil.rmtree(self.test_dir)
+
+
+class repositoryHasNoneLinkTest(unittest.TestCase):
+    def test_no_link(self):
+        self.assertFalse(rpm.repository_has_none_link(None, None, None, None, None))
+
+    def test_url(self):
+        self.assertTrue(rpm.repository_has_none_link("id", "name", "none", None, None))
+
+    def test_metalink(self):
+        self.assertTrue(rpm.repository_has_none_link("id", "name", None, "none", None))
+
+    def test_mirrorlist(self):
+        self.assertTrue(rpm.repository_has_none_link("id", "name", None, None, "none"))
+
+    def test_all(self):
+        self.assertTrue(rpm.repository_has_none_link("id", "name", "none", "none", "none"))
+
+    def test_links_are_fine(self):
+        self.assertFalse(rpm.repository_has_none_link("id", "name", "url", "metalink", "mirrorlist"))