Add Tag, TagKind and ManifestChild tables in prep for new data model

initdb.py

@@ -20,7 +20,8 @@ from data.database import (db, all_models, Role, TeamRole, Visibility, LoginServ
                            QuayRegion, QuayService, UserRegion, OAuthAuthorizationCode,
                            ServiceKeyApprovalType, MediaType, LabelSourceType, UserPromptKind,
                            RepositoryKind, User, DisableReason, DeletedNamespace, appr_classes,
-                           ApprTagKind, ApprBlobPlacementLocation, Repository)
+                           ApprTagKind, ApprBlobPlacementLocation, Repository, Tag, TagKind,
+                           ManifestChild)
 from data import model
 from data.queue import WorkQueue
 from data.registry_model import registry_model
@@ -450,6 +451,8 @@ def initialize_database():
   DisableReason.create(name='successive_build_failures')
   DisableReason.create(name='successive_build_internal_errors')
 
+  TagKind.create(name='tag')
+
 
 def wipe_database():
   logger.debug('Wiping all data from the DB.')
@@ -910,7 +913,7 @@ def populate_database(minimal=False, with_storage=False):
     model.repositoryactioncount.update_repository_score(to_count)
 
 
-WHITELISTED_EMPTY_MODELS = ['DeletedNamespace', 'LogEntry2']
+WHITELISTED_EMPTY_MODELS = ['DeletedNamespace', 'LogEntry2', 'Tag', 'ManifestChild']
 
 def find_models_missing_data():
   # As a sanity check we are going to make sure that all db tables have some data, unless explicitly