AAP-44233 Create credential types in new migration step (#6969)

* Update database to credential types in new migration file

* bump migration

* Add assertion

* Pre-delete credentials so we test recreation

awx/main/migrations/0201_create_managed_creds.py

@@ -0,0 +1,20 @@
+from django.db import migrations
+
+# AWX
+from awx.main.models import CredentialType
+from awx.main.utils.common import set_current_apps
+
+
+def setup_tower_managed_defaults(apps, schema_editor):
+    set_current_apps(apps)
+    CredentialType.setup_tower_managed_defaults(apps)
+
+
+class Migration(migrations.Migration):
+    dependencies = [
+        ('main', '0200_template_name_constraint'),
+    ]
+
+    operations = [
+        migrations.RunPython(setup_tower_managed_defaults),
+    ]

awx/main/tests/functional/test_migrations.py

@@ -140,3 +140,22 @@ class TestMigrationSmoke:
         Project = new_state.apps.get_model('main', 'Project')
         for proj in Project.objects.all():
             assert proj.org_unique is True
+
+        # Piggyback test for the new credential types
+        validate_exists = ['GitHub App Installation Access Token Lookup', 'Terraform backend configuration']
+        CredentialType = new_state.apps.get_model('main', 'CredentialType')
+        # simulate an upgrade by deleting existing types with these names
+        for expected_name in validate_exists:
+            ct = CredentialType.objects.filter(name=expected_name).first()
+            if ct:
+                ct.delete()
+
+        new_state = migrator.apply_tested_migration(
+            ('main', '0201_create_managed_creds'),
+        )
+
+        CredentialType = new_state.apps.get_model('main', 'CredentialType')
+        for expected_name in validate_exists:
+            assert CredentialType.objects.filter(
+                name=expected_name
+            ).exists(), f'Could not find {expected_name} credential type name, all names: {list(CredentialType.objects.values_list("name", flat=True))}'