def get_instance_uuid_by_ec2_id(context, ec2_id):
    return IMPL.get_instance_uuid_by_ec2_id(context, ec2_id)
Get uuid through ec2 id from instance_id_mappings table.
dataset/ETHPy150Open BU-NU-CLOUD-SP16/Trusted-Platform-Module-nova/nova/db/api.py/get_instance_uuid_by_ec2_id