Add configuration change tracking

If any change to leapp or leapp-repository configuration files
happens this will be reported separately.

repos/system_upgrade/common/actors/checkcustommodifications/libraries/checkcustommodifications.py

@@ -33,5 +33,6 @@ def report_any_modifications():
     modifications = list(api.consume(CustomModifications))
     _create_report(modifications, report_type='custom')
     _create_report(modifications, report_type='modified', component='repository')
+    _create_report(modifications, report_type='modified', component='configuration')
     _create_report(modifications, report_type='modified', component='framework',
                    hint='Reinstall leapp to get rid of these changes.')

repos/system_upgrade/common/actors/scancustommodifications/libraries/scancustommodifications.py

@@ -124,20 +124,30 @@ def check_for_modifications(component):
     custom_files = sorted(set(leapp_files) - set(source_of_truth))
     # Now let's check for modifications
     modified_files = []
+    modified_configs = []
     for rpm in rpms:
         res = _run_command(
                 ['rpm', '-V', '--nomtime', rpm], 'Could not check authenticity of the files from {}'.format(rpm),
                 # NOTE(ivasilev) check is False here as in case of any changes found exit code will be 1
                 checked=False)
         if res:
             api.current_logger().warning('Modifications to leapp files detected!\n%s', res)
-            modified_files.extend([tuple(x.split()) for x in res])
+            for modification_str in res:
+                modification = tuple(modification_str.split())
+                if len(modification) == 3 and modification[1] == 'c':
+                    # Dealing with a configuration that will be displayed as ('S.5......', 'c', '/file/path')
+                    modified_configs.append(modification)
+                else:
+                    # Modification of any other rpm file detected
+                    modified_files.append(modification)
     return ([_modification_model(filename=f[1], component=component, rpm_checks_str=f[0], change_type='modified')
              # Let's filter out pyc files not to clutter the output as pyc will be present even in case of
              # a plain open & save-not-changed that we agreed not to react upon.
              for f in modified_files if not f[1].endswith('.pyc')] +
             [_modification_model(filename=f, component=component, change_type='custom')
-             for f in custom_files])
+             for f in custom_files] +
+            [_modification_model(filename=f[2], component='configuration', rpm_checks_str=f[0], change_type='modified')
+            for f in modified_configs])
 
 
 def scan():

repos/system_upgrade/common/actors/scancustommodifications/tests/test_scancustommodifications.py

@@ -22,6 +22,7 @@
 VERIFIED_FILES = """
 .......T.    repos/system_upgrade/el8toel9/actors/xorgdrvfact/libraries/xorgdriverlib.py
 S.5....T.    repos/system_upgrade/el8toel9/actors/anotheractor/actor.py
+S.5....T.  c etc/leapp/files/pes-events.json
 """
 
 
@@ -76,8 +77,13 @@ def test_check_for_modifications(monkeypatch):
     modifications = scancustommodifications.check_for_modifications('repository')
     modified = [m for m in modifications if m.type == 'modified']
     custom = [m for m in modifications if m.type == 'custom']
+    configurations = [m for m in modifications if m.component == 'configuration']
+    assert len(modified) == 3
     assert modified[0].filename == 'repos/system_upgrade/el8toel9/actors/xorgdrvfact/libraries/xorgdriverlib.py'
     assert modified[0].rpm_checks_str == '.......T.'
     assert len(custom) == 3
     assert custom[0].filename == '/some/unrelated/to/leapp/file'
     assert custom[0].rpm_checks_str == ''
+    assert len(configurations) == 1
+    assert configurations[0].filename == 'etc/leapp/files/pes-events.json'
+    assert configurations[0].rpm_checks_str == 'S.5....T.'