Implement logs model using Elasticsearch

- Implement logs model using Elasticsearch with tests
- Implement transition model using both elasticsearch and database model
- Add LOGS_MODEL configuration to choose which to use.

Co-authored-by: Sida Chen <sidchen@redhat.com>
Co-authored-by: Kenny Lee Sin Cheong <kenny.lee@redhat.com>

data/model/user.py

@@ -643,6 +643,14 @@ def get_user_by_id(user_db_id):
     return None
 
 
+def get_user_map_by_ids(namespace_ids):
+  id_user = {namespace_id: None for namespace_id in namespace_ids}
+  users = User.select().where(User.id << namespace_ids, User.organization == False)
+  for user in users:
+    id_user[user.id] = user
+
+  return id_user
+
 def get_namespace_user_by_user_id(namespace_user_db_id):
   try:
     return User.get(User.id == namespace_user_db_id, User.robot == False)
@@ -1068,6 +1076,10 @@ def list_namespace_geo_restrictions(namespace_name):
           .where(User.username == namespace_name))
 
 
+def get_minimum_user_id():
+  return User.select(fn.Min(User.id)).tuples().get()[0]
+
+
 class LoginWrappedDBUser(UserMixin):
   def __init__(self, user_uuid, db_user=None):
     self._uuid = user_uuid