Use volume and snapshot DB items for instances
Use volume and snapshot DB items for instances

Change-Id: Ib89b0b71dbd6364179be275cff8df271ccf60d29

MayankGo/ec2-api,openstack/ec2-api,hayderimran7/ec2-api,openstack/ec2-api,hayderimran7/ec2-api,stackforge/ec2-api,stackforge/ec2-api,MayankGo/ec2-api