aws-autoscaling-autoscalinggroup.go

package cloudformation

import (
	"encoding/json"
	"errors"
	"fmt"
)

// AWSAutoScalingAutoScalingGroup AWS CloudFormation Resource (AWS::AutoScaling::AutoScalingGroup)
// See: http://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-properties-as-group.html
type AWSAutoScalingAutoScalingGroup struct {

	// AvailabilityZones AWS CloudFormation Property
	// Required: false
	// See: http://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-properties-as-group.html#cfn-as-group-availabilityzones
	AvailabilityZones []string `json:"AvailabilityZones,omitempty"`

	// Cooldown AWS CloudFormation Property
	// Required: false
	// See: http://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-properties-as-group.html#cfn-as-group-cooldown
	Cooldown string `json:"Cooldown,omitempty"`

	// DesiredCapacity AWS CloudFormation Property
	// Required: false
	// See: http://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-properties-as-group.html#cfn-as-group-desiredcapacity
	DesiredCapacity string `json:"DesiredCapacity,omitempty"`

	// HealthCheckGracePeriod AWS CloudFormation Property
	// Required: false
	// See: http://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-properties-as-group.html#cfn-as-group-healthcheckgraceperiod
	HealthCheckGracePeriod int `json:"HealthCheckGracePeriod,omitempty"`

	// HealthCheckType AWS CloudFormation Property
	// Required: false
	// See: http://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-properties-as-group.html#cfn-as-group-healthchecktype
	HealthCheckType string `json:"HealthCheckType,omitempty"`

	// InstanceId AWS CloudFormation Property
	// Required: false
	// See: http://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-properties-as-group.html#cfn-as-group-instanceid
	InstanceId string `json:"InstanceId,omitempty"`

	// LaunchConfigurationName AWS CloudFormation Property
	// Required: false
	// See: http://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-properties-as-group.html#cfn-as-group-launchconfigurationname
	LaunchConfigurationName string `json:"LaunchConfigurationName,omitempty"`

	// LoadBalancerNames AWS CloudFormation Property
	// Required: false
	// See: http://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-properties-as-group.html#cfn-as-group-loadbalancernames
	LoadBalancerNames []string `json:"LoadBalancerNames,omitempty"`

	// MaxSize AWS CloudFormation Property
	// Required: true
	// See: http://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-properties-as-group.html#cfn-as-group-maxsize
	MaxSize string `json:"MaxSize,omitempty"`

	// MetricsCollection AWS CloudFormation Property
	// Required: false
	// See: http://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-properties-as-group.html#cfn-as-group-metricscollection
	MetricsCollection []AWSAutoScalingAutoScalingGroup_MetricsCollection `json:"MetricsCollection,omitempty"`

	// MinSize AWS CloudFormation Property
	// Required: true
	// See: http://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-properties-as-group.html#cfn-as-group-minsize
	MinSize string `json:"MinSize,omitempty"`

	// NotificationConfigurations AWS CloudFormation Property
	// Required: false
	// See: http://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-properties-as-group.html#cfn-as-group-notificationconfigurations
	NotificationConfigurations []AWSAutoScalingAutoScalingGroup_NotificationConfiguration `json:"NotificationConfigurations,omitempty"`

	// PlacementGroup AWS CloudFormation Property
	// Required: false
	// See: http://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-properties-as-group.html#cfn-as-group-placementgroup
	PlacementGroup string `json:"PlacementGroup,omitempty"`

	// Tags AWS CloudFormation Property
	// Required: false
	// See: http://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-properties-as-group.html#cfn-as-group-tags
	Tags []AWSAutoScalingAutoScalingGroup_TagProperty `json:"Tags,omitempty"`

	// TargetGroupARNs AWS CloudFormation Property
	// Required: false
	// See: http://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-properties-as-group.html#cfn-as-group-targetgrouparns
	TargetGroupARNs []string `json:"TargetGroupARNs,omitempty"`

	// TerminationPolicies AWS CloudFormation Property
	// Required: false
	// See: http://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-properties-as-group.html#cfn-as-group-termpolicy
	TerminationPolicies []string `json:"TerminationPolicies,omitempty"`

	// VPCZoneIdentifier AWS CloudFormation Property
	// Required: false
	// See: http://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-properties-as-group.html#cfn-as-group-vpczoneidentifier
	VPCZoneIdentifier []string `json:"VPCZoneIdentifier,omitempty"`
}

// AWSCloudFormationType returns the AWS CloudFormation resource type
func (r *AWSAutoScalingAutoScalingGroup) AWSCloudFormationType() string {
	return "AWS::AutoScaling::AutoScalingGroup"
}

// MarshalJSON is a custom JSON marshalling hook that embeds this object into
// an AWS CloudFormation JSON resource's 'Properties' field and adds a 'Type'.
func (r *AWSAutoScalingAutoScalingGroup) MarshalJSON() ([]byte, error) {
	type Properties AWSAutoScalingAutoScalingGroup
	return json.Marshal(&struct {
		Type       string
		Properties Properties
	}{
		Type:       r.AWSCloudFormationType(),
		Properties: (Properties)(*r),
	})
}

// UnmarshalJSON is a custom JSON unmarshalling hook that strips the outer
// AWS CloudFormation resource object, and just keeps the 'Properties' field.
func (r *AWSAutoScalingAutoScalingGroup) UnmarshalJSON(b []byte) error {
	type Properties AWSAutoScalingAutoScalingGroup
	res := &struct {
		Type       string
		Properties *Properties
	}{}
	if err := json.Unmarshal(b, &res); err != nil {
		fmt.Printf("ERROR: %s\n", err)
		return err
	}

	// If the resource has no Properties set, it could be nil
	if res.Properties != nil {
		*r = AWSAutoScalingAutoScalingGroup(*res.Properties)
	}

	return nil
}

// GetAllAWSAutoScalingAutoScalingGroupResources retrieves all AWSAutoScalingAutoScalingGroup items from an AWS CloudFormation template
func (t *Template) GetAllAWSAutoScalingAutoScalingGroupResources() map[string]AWSAutoScalingAutoScalingGroup {
	results := map[string]AWSAutoScalingAutoScalingGroup{}
	for name, untyped := range t.Resources {
		switch resource := untyped.(type) {
		case AWSAutoScalingAutoScalingGroup:
			// We found a strongly typed resource of the correct type; use it
			results[name] = resource
		case map[string]interface{}:
			// We found an untyped resource (likely from JSON) which *might* be
			// the correct type, but we need to check it's 'Type' field
			if resType, ok := resource["Type"]; ok {
				if resType == "AWS::AutoScaling::AutoScalingGroup" {
					// The resource is correct, unmarshal it into the results
					if b, err := json.Marshal(resource); err == nil {
						var result AWSAutoScalingAutoScalingGroup
						if err := json.Unmarshal(b, &result); err == nil {
							results[name] = result
						}
					}
				}
			}
		}
	}
	return results
}

// GetAWSAutoScalingAutoScalingGroupWithName retrieves all AWSAutoScalingAutoScalingGroup items from an AWS CloudFormation template
// whose logical ID matches the provided name. Returns an error if not found.
func (t *Template) GetAWSAutoScalingAutoScalingGroupWithName(name string) (AWSAutoScalingAutoScalingGroup, error) {
	if untyped, ok := t.Resources[name]; ok {
		switch resource := untyped.(type) {
		case AWSAutoScalingAutoScalingGroup:
			// We found a strongly typed resource of the correct type; use it
			return resource, nil
		case map[string]interface{}:
			// We found an untyped resource (likely from JSON) which *might* be
			// the correct type, but we need to check it's 'Type' field
			if resType, ok := resource["Type"]; ok {
				if resType == "AWS::AutoScaling::AutoScalingGroup" {
					// The resource is correct, unmarshal it into the results
					if b, err := json.Marshal(resource); err == nil {
						var result AWSAutoScalingAutoScalingGroup
						if err := json.Unmarshal(b, &result); err == nil {
							return result, nil
						}
					}
				}
			}
		}
	}
	return AWSAutoScalingAutoScalingGroup{}, errors.New("resource not found")
}