CheckPamUserDB: implement check to report DB location

Check the databases reported by ScanPamUserDB and print a report about
them. It also includes the component test for the actor.

Signed-off-by: Iker Pedrosa <[email protected]>

repos/system_upgrade/el9toel10/actors/checkpamuserdb/actor.py

@@ -0,0 +1,18 @@
+from leapp.actors import Actor
+from leapp.models import PamUserDbLocation, Report
+from leapp.tags import ChecksPhaseTag, IPUWorkflowTag
+from leapp.libraries.actor import checkpamuserdb
+
+
+class CheckPamUserDb(Actor):
+    """
+    Create report with the location of pam_userdb databases 
+    """
+
+    name = 'check_pam_user_db'
+    consumes = (PamUserDbLocation,)
+    produces = (Report,)
+    tags = (ChecksPhaseTag, IPUWorkflowTag)
+
+    def process(self):
+        checkpamuserdb.process()

repos/system_upgrade/el9toel10/actors/checkpamuserdb/libraries/checkpamuserdb.py

@@ -0,0 +1,22 @@
+from leapp import reporting
+from leapp.models import PamUserDbLocation
+from leapp.libraries.stdlib import api
+
+
+def process():
+    for msg in api.consume(PamUserDbLocation):
+        locations = msg.locations
+
+    if locations:
+        reporting.create_report([
+            reporting.Title('pam_userdb database will be converted to GDBM'),
+            reporting.Summary(
+                'pam_userdb used BerkeleyDB as the backend database format. '
+                'It is no longer maintained as open source, so it will be '
+                'replaced by GDBM. The upgrade process has detected '
+                'BerkeleyDB databases [{}] in the system and it will proceed to '
+                'convert them.'.format(locations)),
+            reporting.Severity(reporting.Severity.INFO),
+            reporting.Groups([reporting.Groups.SECURITY]),
+            reporting.Groups([reporting.Groups.AUTHENTICATION])
+        ])

repos/system_upgrade/el9toel10/actors/checkpamuserdb/tests/component_test_checkpamuserdb.py

@@ -0,0 +1,30 @@
+import os
+
+import pytest
+
+from leapp.reporting import Report
+from leapp.models import PamUserDbLocation
+from leapp.libraries.actor import checkpamuserdb
+
+
+def test_process_no_location(current_actor_context):
+    current_actor_context.feed(
+        PamUserDbLocation(
+            locations=[]
+        )
+    )
+    current_actor_context.run()
+    assert not current_actor_context.consume(Report)
+
+
+def test_process_locations(current_actor_context):
+    current_actor_context.feed(
+        PamUserDbLocation(
+            locations=['/tmp/db1', '/tmp/db2']
+        )
+    )
+    current_actor_context.run()
+    report = current_actor_context.consume(Report)
+    assert report
+    assert ('pam_userdb database will be converted to GDBM'
+            in report[0].report['title'])