def get_raw_instances(self):
    """
    Documentation:

        ---
        Description:
            Associate each EC2 instance ID with its EC2 instance object.

        ---
        Returns:
           raw_instances : dict
                Dictonary where the keys are EC2 instance IDs and the
                values are the associated EC2 instance objects.
    """
    # gather EC2 instance object for each EC2 instance ID
    raw_instances = {}
    for instance in self.ec2_resource.instances.all():
        raw_instances[instance.id] = instance

    return raw_instances