'Deprecated Version, maintained for backward compatibility.
Enable detailed CloudWatch monitoring for the supplied instance.
:type instance_id: string
:param instance_id: The instance id
:type dry_run: bool
:param dry_run: Set to True if the operation should not actually run.
:rtype: list
:return: A list of :class:`boto.ec2.instanceinfo.InstanceInfo`'

def monitor_instance(self, instance_id, dry_run=False):

    return self.monitor_instances([instance_id], dry_run=dry_run)
