func resourceAwsAutoscalingGroupCreate(d *schema.ResourceData, meta interface{}) error {
	conn := meta.(*AWSClient).autoscalingconn

	var autoScalingGroupOpts autoscaling.CreateAutoScalingGroupInput

	var asgName string
	if v, ok := d.GetOk("name"); ok {
		asgName = v.(string)
	} else {
		asgName = resource.PrefixedUniqueId("tf-asg-")
		d.Set("name", asgName)
	}

	autoScalingGroupOpts.AutoScalingGroupName = aws.String(asgName)
	autoScalingGroupOpts.LaunchConfigurationName = aws.String(d.Get("launch_configuration").(string))
	autoScalingGroupOpts.MinSize = aws.Int64(int64(d.Get("min_size").(int)))
	autoScalingGroupOpts.MaxSize = aws.Int64(int64(d.Get("max_size").(int)))

	// Availability Zones are optional if VPC Zone Identifer(s) are specified
	if v, ok := d.GetOk("availability_zones"); ok && v.(*schema.Set).Len() > 0 {
		autoScalingGroupOpts.AvailabilityZones = expandStringList(v.(*schema.Set).List())
	}

	if v, ok := d.GetOk("tag"); ok {
		autoScalingGroupOpts.Tags = autoscalingTagsFromMap(
			setToMapByKey(v.(*schema.Set), "key"), d.Get("name").(string))
	}

	if v, ok := d.GetOk("default_cooldown"); ok {
		autoScalingGroupOpts.DefaultCooldown = aws.Int64(int64(v.(int)))
	}

	if v, ok := d.GetOk("health_check_type"); ok && v.(string) != "" {
		autoScalingGroupOpts.HealthCheckType = aws.String(v.(string))
	}

	if v, ok := d.GetOk("desired_capacity"); ok {
		autoScalingGroupOpts.DesiredCapacity = aws.Int64(int64(v.(int)))
	}

	if v, ok := d.GetOk("health_check_grace_period"); ok {
		autoScalingGroupOpts.HealthCheckGracePeriod = aws.Int64(int64(v.(int)))
	}

	if v, ok := d.GetOk("placement_group"); ok {
		autoScalingGroupOpts.PlacementGroup = aws.String(v.(string))
	}

	if v, ok := d.GetOk("load_balancers"); ok && v.(*schema.Set).Len() > 0 {
		autoScalingGroupOpts.LoadBalancerNames = expandStringList(
			v.(*schema.Set).List())
	}

	if v, ok := d.GetOk("vpc_zone_identifier"); ok && v.(*schema.Set).Len() > 0 {
		autoScalingGroupOpts.VPCZoneIdentifier = expandVpcZoneIdentifiers(v.(*schema.Set).List())
	}

	if v, ok := d.GetOk("termination_policies"); ok && len(v.([]interface{})) > 0 {
		autoScalingGroupOpts.TerminationPolicies = expandStringList(v.([]interface{}))
	}

	log.Printf("[DEBUG] AutoScaling Group create configuration: %#v", autoScalingGroupOpts)
	_, err := conn.CreateAutoScalingGroup(&autoScalingGroupOpts)
	if err != nil {
		return fmt.Errorf("Error creating Autoscaling Group: %s", err)
	}

	d.SetId(d.Get("name").(string))
	log.Printf("[INFO] AutoScaling Group ID: %s", d.Id())

	if err := waitForASGCapacity(d, meta, capacitySatifiedCreate); err != nil {
		return err
	}

	if _, ok := d.GetOk("enabled_metrics"); ok {
		metricsErr := enableASGMetricsCollection(d, conn)
		if metricsErr != nil {
			return metricsErr
		}
	}

	return resourceAwsAutoscalingGroupRead(d, meta)
}
func resourceAwsAutoscalingGroupCreate(d *schema.ResourceData, meta interface{}) error {
	conn := meta.(*AWSClient).autoscalingconn

	var asgName string
	if v, ok := d.GetOk("name"); ok {
		asgName = v.(string)
	} else {
		asgName = resource.PrefixedUniqueId("tf-asg-")
		d.Set("name", asgName)
	}

	createOpts := autoscaling.CreateAutoScalingGroupInput{
		AutoScalingGroupName:             aws.String(asgName),
		LaunchConfigurationName:          aws.String(d.Get("launch_configuration").(string)),
		NewInstancesProtectedFromScaleIn: aws.Bool(d.Get("protect_from_scale_in").(bool)),
	}
	updateOpts := autoscaling.UpdateAutoScalingGroupInput{
		AutoScalingGroupName: aws.String(asgName),
	}

	initialLifecycleHooks := d.Get("initial_lifecycle_hook").(*schema.Set).List()
	twoPhases := len(initialLifecycleHooks) > 0

	minSize := aws.Int64(int64(d.Get("min_size").(int)))
	maxSize := aws.Int64(int64(d.Get("max_size").(int)))

	if twoPhases {
		createOpts.MinSize = aws.Int64(int64(0))
		createOpts.MaxSize = aws.Int64(int64(0))

		updateOpts.MinSize = minSize
		updateOpts.MaxSize = maxSize

		if v, ok := d.GetOk("desired_capacity"); ok {
			updateOpts.DesiredCapacity = aws.Int64(int64(v.(int)))
		}
	} else {
		createOpts.MinSize = minSize
		createOpts.MaxSize = maxSize

		if v, ok := d.GetOk("desired_capacity"); ok {
			createOpts.DesiredCapacity = aws.Int64(int64(v.(int)))
		}
	}

	// Availability Zones are optional if VPC Zone Identifer(s) are specified
	if v, ok := d.GetOk("availability_zones"); ok && v.(*schema.Set).Len() > 0 {
		createOpts.AvailabilityZones = expandStringList(v.(*schema.Set).List())
	}

	if v, ok := d.GetOk("tag"); ok {
		createOpts.Tags = autoscalingTagsFromMap(
			setToMapByKey(v.(*schema.Set), "key"), d.Get("name").(string))
	}

	if v, ok := d.GetOk("default_cooldown"); ok {
		createOpts.DefaultCooldown = aws.Int64(int64(v.(int)))
	}

	if v, ok := d.GetOk("health_check_type"); ok && v.(string) != "" {
		createOpts.HealthCheckType = aws.String(v.(string))
	}

	if v, ok := d.GetOk("health_check_grace_period"); ok {
		createOpts.HealthCheckGracePeriod = aws.Int64(int64(v.(int)))
	}

	if v, ok := d.GetOk("placement_group"); ok {
		createOpts.PlacementGroup = aws.String(v.(string))
	}

	if v, ok := d.GetOk("load_balancers"); ok && v.(*schema.Set).Len() > 0 {
		createOpts.LoadBalancerNames = expandStringList(
			v.(*schema.Set).List())
	}

	if v, ok := d.GetOk("vpc_zone_identifier"); ok && v.(*schema.Set).Len() > 0 {
		createOpts.VPCZoneIdentifier = expandVpcZoneIdentifiers(v.(*schema.Set).List())
	}

	if v, ok := d.GetOk("termination_policies"); ok && len(v.([]interface{})) > 0 {
		createOpts.TerminationPolicies = expandStringList(v.([]interface{}))
	}

	if v, ok := d.GetOk("target_group_arns"); ok && len(v.(*schema.Set).List()) > 0 {
		createOpts.TargetGroupARNs = expandStringList(v.(*schema.Set).List())
	}

	log.Printf("[DEBUG] AutoScaling Group create configuration: %#v", createOpts)
	_, err := conn.CreateAutoScalingGroup(&createOpts)
	if err != nil {
		return fmt.Errorf("Error creating AutoScaling Group: %s", err)
	}

	d.SetId(d.Get("name").(string))
	log.Printf("[INFO] AutoScaling Group ID: %s", d.Id())

	if twoPhases {
		for _, hook := range generatePutLifecycleHookInputs(asgName, initialLifecycleHooks) {
			if err = resourceAwsAutoscalingLifecycleHookPutOp(conn, &hook); err != nil {
				return fmt.Errorf("Error creating initial lifecycle hooks: %s", err)
			}
		}

		_, err = conn.UpdateAutoScalingGroup(&updateOpts)
		if err != nil {
			return fmt.Errorf("Error setting AutoScaling Group initial capacity: %s", err)
		}
	}

	if err := waitForASGCapacity(d, meta, capacitySatisfiedCreate); err != nil {
		return err
	}

	if _, ok := d.GetOk("enabled_metrics"); ok {
		metricsErr := enableASGMetricsCollection(d, conn)
		if metricsErr != nil {
			return metricsErr
		}
	}

	return resourceAwsAutoscalingGroupRead(d, meta)
}