Remove unused import and CinderNode sqlalchemy model

Class CinderNode is never used,
attribute_mapped_collection from sqlalchemy.orm.collections imported but unused.

Change-Id: I5d72aaf0922eab001f2db5b884b65632481df937

diff --git a/cinder/db/sqlalchemy/models.py b/cinder/db/sqlalchemy/models.py
index f4dd4249e49a09210d0dd975f5d1880506aaf11e..fa9cdb2238abca663fec317e1a49853c01a5bc17 100644 (file)
--- a/cinder/db/sqlalchemy/models.py
+++ b/cinder/db/sqlalchemy/models.py
@@ -26,7 +26,6 @@ from sqlalchemy import Column, Integer, String, Text, schema
 from sqlalchemy.ext.declarative import declarative_base
 from sqlalchemy import ForeignKey, DateTime, Boolean
 from sqlalchemy.orm import relationship, backref
-from sqlalchemy.orm.collections import attribute_mapped_collection
 
 from oslo.config import cfg
 
@@ -70,14 +69,6 @@ class Service(BASE, CinderBase):
     availability_zone = Column(String(255), default='cinder')
 
 
-class CinderNode(BASE, CinderBase):
-    """Represents a running cinder service on a host."""
-
-    __tablename__ = 'cinder_nodes'
-    id = Column(Integer, primary_key=True)
-    service_id = Column(Integer, ForeignKey('services.id'), nullable=True)
-
-
 class Volume(BASE, CinderBase):
     """Represents a block storage device that can be attached to a vm."""
     __tablename__ = 'volumes'