cfn

Documentation

Overview

Package cfn provides functionality for creating AWS CloudFormation templates.

Index

• Constants
• func AccountID() interface{}
• func And(v []interface{}) interface{}
• func Base64(v interface{}) interface{}
• func Equals(a, b interface{}) interface{}
• func FindInMap(name, key, subkey interface{}) interface{}
• func Fn(name string, body interface{}) interface{}
• func GetAZs(region interface{}) interface{}
• func GetAtt(name, attribute interface{}) interface{}
• func If(cond, t, f interface{}) interface{}
• func Join(delim interface{}, values ...interface{}) interface{}
• func NoValue() interface{}
• func Not(v interface{}) interface{}
• func NotificationARNs() interface{}
• func Or(v []interface{}) interface{}
• func Ref(resource interface{}) interface{}
• func Region() interface{}
• func Select(index, values interface{}) interface{}
• func StackID() interface{}
• func StackName() interface{}
• type AccessLoggingPolicy
• type Alarm
• type AttributeDefinition
• type AutoScalingGroup
• type AutoScalingRollingUpdate
• type AutoScalingScheduledAction
• type AutoScalingTag
• type BlockDeviceMapping
• type CloudTrail
• type ConnectionDrainingPolicy
• type CreationPolicy
• type DBInstance
• type DBParameterGroup
• type DBSubnetGroup
• type DeletionPolicy
• type DynamoDBTable
• type EBSBlockDevice
• type GlobalSecondaryIndex
• type HealthCheck
• type InstanceProfile
• type InternetGateway
• type KeySchema
• type LaunchConfiguration
• type Listener
• type LoadBalancer
• type LoadBalancerPolicy
• type LoadBalancerPolicyAttribute
• type LocalSecondaryIndex
• type MetricDimension
• type MetricsCollection
• type NotificationConfiguration
• type Output
• type Parameter
• type Projection
• type ProvisionedThroughput
• type Resource
• type ResourceSignal
• type Resources
• type Role
• type Route
• type RouteTable
• type S3Bucket
• type S3BucketPolicy
• type S3LoggingConfiguration
• type ScalingPolicy
• type ScheduledAction
• type SecurityGroup
• type SecurityGroupRule
• type Subnet
• type SubnetRouteTableAssociation
• type Tag
• type Template
  • func NewTemplate(desc string) *Template
• type UpdatePolicy
• type VPC
• type VPCGatewayAttachment

Constants

const (
	ChangeInCapacityAdjustment        = "ChangeInCapacity"
	ExactCapacityAdjustment           = "ExactCapacity"
	PercentChangeInCapacityAdjustment = "PercentChangeInCapacity"
)

Possible values for ScalingPolicy's AdjustmentType.

const (
	KeyTypeHash  = "HASH"
	KeyTypeRange = "RANGE"
)

Possible values for KeySchema's KeyType field.

const (
	ProjectionTypeKeysOnly = "KEYS_ONLY"
	ProjectionTypeInclude  = "INCLUDE"
	ProjectionTypeAll      = "ALL"
)

Possible values for Projection's ProjectionType field.

const Version = "2010-09-09"

Version is the version of the CloudFormation templates supported by this package.

Functions

func AccountID

func AccountID() interface{}

AccountID returns the AWS account ID of the account in which the stack is being created.

func And

func And(v []interface{}) interface{}

And returns the conjunction of the terms.

func Base64

func Base64(v interface{}) interface{}

Base64 returns the argument, encoded with Base64.

func Equals

func Equals(a, b interface{}) interface{}

Equals returns true if the arguments are equal.

func FindInMap

func FindInMap(name, key, subkey interface{}) interface{}

FindInMap returns the value corresponding to keys in a two-level map that is declared in the Mappings section of a template.

func Fn

func Fn(name string, body interface{}) interface{}

Fn returns a function with the given name and body.

func GetAZs

func GetAZs(region interface{}) interface{}

GetAZs returns an array that lists Availability Zones for a specified region. For the EC2-VPC platform, GetAZs returns only the Availablity Zones that have default subnets. For the EC2-Classic platform, GetAZs returns all Availability Zones for a region.

func GetAtt

func GetAtt(name, attribute interface{}) interface{}

GetAtt returns the value of an attribute from a resource in the template.

func If

func If(cond, t, f interface{}) interface{}

If returns the t argument if the condition is true; otherwise, it returns the f argument.

func Join

func Join(delim interface{}, values ...interface{}) interface{}

Join appends a set of values into a single value, separated by the specified delimiter. If a delimiter is the empty string, the set of values are concatenated with no delimiter.

func NoValue

func NoValue() interface{}

NoValue removes the corresponding resource property when specified as a return value in the If function.

func Not

func Not(v interface{}) interface{}

Not returns the negation of the argument.

func NotificationARNs

func NotificationARNs() interface{}

NotificationARNs returns the list of notification Amazon Resource Names (ARNs) for the current stack.

func Or

func Or(v []interface{}) interface{}

Or returns the disjunction of the terms.

func Ref

func Ref(resource interface{}) interface{}

Ref returns a reference to the given resource.

func Region

func Region() interface{}

Region returns a string representing the AWS Region in which the encompassing resource is being created.

func Select

func Select(index, values interface{}) interface{}

Select returns a single object from a list of objects by index.

func StackID

func StackID() interface{}

StackID returns the ID of the stack as specified with the CreateStack operation.

func StackName

func StackName() interface{}

StackName returns the name of the stack as specified with the CreateStack operation.

Types

type AccessLoggingPolicy

type AccessLoggingPolicy struct {
	LogEveryNMinutes int `json:"EmitInterval,omitempty"`
	Enabled          bool
	S3BucketName     string
	S3BucketPrefix   string
}

An AccessLoggingPolicy configures how the load balancer logs requests.

type Alarm

type Alarm struct {
	ActionsEnabled          interface{} `json:",omitempty"`
	AlarmActions            []string    `json:",omitempty"`
	AlarmDescription        string      `json:",omitempty"`
	AlarmName               string      `json:",omitempty"`
	ComparisonOperator      string
	Dimensions              []MetricDimension `json:",omitempty"`
	EvaluationPeriods       string
	InsufficientDataActions []string `json:",omitempty"`
	MetricName              string
	Namespace               string
	OKActions               []string `json:",omitempty"`
	Period                  string
	Statistic               string
	Threshold               string
	Unit                    string `json:",omitempty"`
}

An Alarm resource creates an CloudWatch alarm.

type AttributeDefinition

type AttributeDefinition struct {
	AttributeName string
	AttributeType string
}

An AttributeDefinition defines an attribute of a DynamoDBTable.

type AutoScalingGroup

type AutoScalingGroup struct {
	AvailabilityZones         interface{}
	Cooldown                  string      `json:",omitempty"`
	DesiredCapacity           int         `json:",omitempty"`
	HealthCheckGracePeriod    int         `json:",omitempty"`
	HealthCheckType           string      `json:",omitempty"`
	InstanceID                string      `json:"InstanceId,omitempty"`
	LaunchConfigurationName   interface{} `json:",omitempty"`
	LoadBalancerNames         []string    `json:",omitempty"`
	MaxSize                   int
	MetricsCollection         []MetricsCollection `json:",omitempty"`
	MinSize                   int
	NotificationConfiguration *NotificationConfiguration `json:",omitempty"`
	PlacementGroup            string                     `json:",omitempty"`
	Tags                      []AutoScalingTag           `json:",omitempty"`
	TerminationPolicies       []string                   `json:",omitempty"`
	VPCZoneIdentifier         []string                   `json:",omitempty"`
}

An AutoScalingGroup resource creates an Auto Scaling group.

type AutoScalingRollingUpdate

type AutoScalingRollingUpdate struct {
	MaxBatchSize          string        `json:",omitempty"`
	MinInstancesInService string        `json:",omitempty"`
	PauseTime             string        `json:",omitempty"`
	SuspendProcesses      []interface{} `json:",omitempty"`
	WaitOnResourceSignals bool          `json:",omitempty"`
}

An AutoScalingRollingUpdate policy specifies how AWS CloudFormation handles rolling updates for a particular resource.

type AutoScalingScheduledAction

type AutoScalingScheduledAction struct {
	IgnoreUnmodifiedGroupSizeProperties bool `json:",omitempty"`
}

An AutoScalingScheduledAction policy describes how AWS CloudFormation handles updates for the MinSize, MaxSize, and DesiredCapacity properties if an autoscaling group has an associated scheduled action.

type AutoScalingTag

type AutoScalingTag struct {
	Key               string
	Value             string
	PropagateAtLaunch bool
}

An AutoScalingTag is like a regular tag, but can propagate to ASG instances when they launch.

type BlockDeviceMapping

type BlockDeviceMapping struct {
	DeviceName  string
	EBS         *EBSBlockDevice `json:"Ebs,omitempty"`
	NoDevice    bool            `json:",omitempty"`
	VirtualName string          `json:",omitempty"`
}

The BlockDeviceMapping type is an embedded property of the LaunchConfiguration type.

type CloudTrail

type CloudTrail struct {
	IncludeGlobalServiceEvents bool `json:",omitempty"`
	IsLogging                  bool
	S3BucketName               interface{}
	S3KeyPrefix                interface{} `json:",omitempty"`
	SNSTopicName               interface{} `json:"SnsTopicName,omitempty"`
}

The CloudTrail resource creates a trail and specifies where logs are published. A CloudTrail trail can capture AWS API calls made by your AWS account and publishes the logs to an Amazon S3 bucket.

type ConnectionDrainingPolicy

type ConnectionDrainingPolicy struct {
	Enabled        bool
	TimeoutSeconds int `json:"Timeout,omitempty"`
}

A ConnectionDrainingPolicy configures how long the load balancer will wait before removing an instance from rotation.

type CreationPolicy

type CreationPolicy struct {
	ResouceSignal *ResourceSignal `json:",omitempty"`
}

A CreationPolicy is associated with a resource to prevent its status from reaching create complete until AWS CloudFormation receives a specified number of success signals or the timeout period is exceeded.

type DBInstance

type DBInstance struct {
	AllocatedStorage           int
	AllowMajorVersionUpgrade   bool   `json:",omitempty"`
	AutoMinorVersionUpgrade    bool   `json:",omitempty"`
	AvailabilityZone           string `json:",omitempty"`
	BackupRetentionPeriod      int    `json:",omitempty"`
	DBInstanceClass            string
	DBInstanceIdentifier       string        `json:",omitempty"`
	DBName                     string        `json:",omitempty"`
	DBParameterGroupName       interface{}   `json:",omitempty"`
	DBSecurityGroups           []string      `json:",omitempty"`
	DBSnapshotIdentifier       string        `json:",omitempty"`
	DBSubnetGroupName          interface{}   `json:",omitempty"`
	Engine                     string        `json:",omitempty"`
	EngineVersion              string        `json:",omitempty"`
	Iops                       int           `json:",omitempty"`
	LicenseModel               string        `json:",omitempty"`
	MasterUsername             string        `json:",omitempty"`
	MasterUserPassword         string        `json:",omitempty"`
	MultiAZ                    bool          `json:",omitempty"`
	Port                       int           `json:",omitempty"`
	PreferredBackupWindow      string        `json:",omitempty"`
	PreferredMaintenanceWindow string        `json:",omitempty"`
	PubliclyAccessible         bool          `json:",omitempty"`
	SourceDBInstanceIdentifier string        `json:",omitempty"`
	Tags                       []Tag         `json:",omitempty"`
	VPCSecurityGroups          []interface{} `json:",omitempty"`
}

A DBInstance is a RDS instance.

type DBParameterGroup

type DBParameterGroup struct {
	Description string
	Family      string
	Parameters  map[string]string `json:",omitempty"`
	Tags        []Tag             `json:",omitempty"`
}

A DBParameterGroup is group of configuration parameters used for a set of DB instances.

type DBSubnetGroup

type DBSubnetGroup struct {
	DBSubnetGroupDescription string
	SubnetIDs                []string `json:"SubnetIds"`
	Tags                     []Tag    `json:",omitempty"`
}

A DBSubnetGroup places an RDS instance in a set of VPC subnets.

type DeletionPolicy

type DeletionPolicy string

A DeletionPolicy dictates what is to be done with a resource when it is deleted.

const (
	// Delete is the default deletion policy, and will simply delete the
	// resource in question.
	Delete DeletionPolicy = "Delete"
	// Retain will not delete the resource in question.
	Retain DeletionPolicy = "Retain"
	// Snapshot will create a snapshot of the resource and then delete it. (Not
	// available for all resource types.)
	Snapshot DeletionPolicy = "Snapshot"
)

type DynamoDBTable

type DynamoDBTable struct {
	AttributeDefinitions   []AttributeDefinition
	GlobalSecondaryIndexes []GlobalSecondaryIndex `json:",omitempty"`
	KeySchema              []KeySchema
	LocalSecondaryIndexes  []LocalSecondaryIndex `json:",omitempty"`
	ProvisionedThroughput  ProvisionedThroughput
	TableName              string `json:",omitempty"`
}

A DynamoDBTable creates a DynamoDB table.

type EBSBlockDevice

type EBSBlockDevice struct {
	DeleteOnTermination bool   `json:",omitempty"`
	IOPS                int    `json:",omitempty"`
	SnapshotID          string `json:"SnapshotId,omitempty"`
	VolumeSize          int    `json:",omitempty"`
	VolumeType          string `json:",omitempty"`
}

The EBSBlockDevice type is an embedded property of the AutoScaling Block Device Mapping type.

type GlobalSecondaryIndex

type GlobalSecondaryIndex struct {
	IndexName             string
	KeySchema             []KeySchema
	Projection            Projection
	ProvisionedThroughput ProvisionedThroughput
}

A GlobalSecondaryIndex describes a global secondary index for the DynamoDBTable resource.

type HealthCheck

type HealthCheck struct {
	HealthyThreshold   interface{} `json:",omitempty"`
	Interval           interface{} `json:",omitempty"`
	Target             interface{} `json:",omitempty"`
	Timeout            interface{} `json:",omitempty"`
	UnhealthyThreshold interface{} `json:",omitempty"`
}

A HealthCheck determines if an instance registered with a load balancer is healthy.

type InstanceProfile

type InstanceProfile struct {
	Path  string
	Roles []interface{}
}

An InstanceProfile is an IAM instance profile.

type InternetGateway

type InternetGateway struct {
	Tags []Tag `json:",omitempty"`
}

An InternetGateway is a VPC internet gateway.

type KeySchema

type KeySchema struct {
	AttributeName string
	KeyType       string
}

KeySchema describes a primary key for the DynamoDBTable resource or a key schema for an index.

type LaunchConfiguration

type LaunchConfiguration struct {
	AssociatePublicIPAddress bool                 `json:"AssociatePublicIpAddress,omitempty"`
	BlockDeviceMappings      []BlockDeviceMapping `json:",omitempty"`
	EBSOptimized             bool                 `json:"EbsOptimized,omitempty"`
	IAMInstanceProfile       string               `json:"IamInstanceProfile,omitempty"`
	ImageID                  string               `json:"ImageId"`
	InstanceID               string               `json:"InstanceId,omitempty"`
	InstanceMonitoring       *bool                `json:",omitempty"`
	InstanceType             string
	KernelID                 string      `json:"KernelId,omitempty"`
	KeyName                  string      `json:",omitempty"`
	RAMDiskID                string      `json:"RamDiskId,omitempty"`
	SecurityGroups           interface{} `json:",omitempty"`
	SpotPrice                string      `json:",omitempty"`
	UserData                 []byte      `json:",omitempty"`
}

The LaunchConfiguration resource creates an Auto Scaling launch configuration that can be used by an Auto Scaling group to configure Amazon EC2 instances in the Auto Scaling group.

type Listener

type Listener struct {
	InstancePort     interface{}   `json:",omitempty"`
	LoadBalancerPort interface{}   `json:",omitempty"`
	Protocol         interface{}   `json:",omitempty"`
	InstanceProtocol interface{}   `json:",omitempty"`
	SSLCertificateID interface{}   `json:",omitempty"`
	PolicyNames      []interface{} `json:",omitempty"`
}

A Listener accepts connections for a load balancer and routes them to an instance port.

type LoadBalancer

type LoadBalancer struct {
	Name                     string   `json:"LoadBalancerName"`
	AvailabilityZones        []string `json:",omitempty"`
	CrossZone                bool
	Scheme                   string                    `json:",omitempty"`
	Subnets                  []string                  `json:",omitempty"`
	SecurityGroups           []interface{}             `json:",omitempty"`
	AccessLoggingPolicy      *AccessLoggingPolicy      `json:",omitempty"`
	ConnectionDrainingPolicy *ConnectionDrainingPolicy `json:",omitempty"`
	HealthCheck              *HealthCheck              `json:",omitempty"`
	Listeners                []Listener                `json:",omitempty"`
	Policies                 []LoadBalancerPolicy      `json:",omitempty"`
	Tags                     []Tag                     `json:",omitempty"`
}

A LoadBalancer is an EC2 Elastic LoadBalancer (ELB).

type LoadBalancerPolicy

type LoadBalancerPolicy struct {
	Name              string                        `json:"PolicyName"`
	Type              string                        `json:"PolicyType"`
	Attributes        []LoadBalancerPolicyAttribute `json:",omitempty"`
	InstancePorts     []int                         `json:",omitempty"`
	LoadBalancerPorts []int                         `json:",omitempty"`
}

A LoadBalancerPolicy configures some other arbitrary bits of load balancer behavior, like proxy protocol support and TLS config.

type LoadBalancerPolicyAttribute

type LoadBalancerPolicyAttribute struct {
	Name  string
	Value string
}

A LoadBalancerPolicyAttribute is an attribute of a LoadBalancerPolicy.

type LocalSecondaryIndex

type LocalSecondaryIndex struct {
	IndexName  string
	KeySchema  []KeySchema
	Projection Projection
}

LocalSecondaryIndex describes local secondary indexes for the DynamoDBTable resource. Each index is scoped to a given hash key value. Tables with one or more local secondary indexes are subject to an item collection size limit, where the amount of data within a given item collection cannot exceed 10 GB.

type MetricDimension

type MetricDimension struct {
	Name  string
	Value interface{}
}

The MetricDimension is an embedded property of the AWS::CloudWatch::Alarm type. Dimensions are arbitrary name/value pairs that can be associated with a CloudWatch metric.

type MetricsCollection

type MetricsCollection struct {
	Granularity string
	Metrics     []string `json:",omitempty"`
}

The MetricsCollection is a property of the AutoScalingGroup resource that describes the group metrics that an Auto Scaling group sends to CloudWatch.

type NotificationConfiguration

type NotificationConfiguration struct {
	NotificationTypes string
	TopicARN          []string
}

The NotificationConfiguration property is an embedded property of the AWS::AutoScaling::AutoScalingGroup resource that specifies the events for which the Auto Scaling group sends notifications.

type Output

type Output struct {
	Value       interface{}
	Description string `json:",omitempty"`
}

An Output is a value based on the resources in a stack.

type Parameter

type Parameter struct {
	Type           string
	Default        string        `json:",omitempty"`
	NoEcho         bool          `json:",omitempty"`
	AllowedValues  []interface{} `json:",omitempty"`
	AllowedPattern string        `json:",omitempty"`
	MaxLength      int           `json:",omitempty"`
	MinLength      int           `json:",omitempty"`
	MaxValue       interface{}   `json:",omitempty"`
	MinValue       interface{}   `json:",omitempty"`
	Description    string        `json:",omitempty"`
}

A Parameter is a value which can be passed into a template.

type Projection

type Projection struct {
	NonKeyAttributes []string `json:",omitempty"`
	ProjectionType   string
}

A Projection defines attributes that are copied (projected) from the source table into the index. These attributes are additions to the primary key attributes and index key attributes, which are automatically projected.

type ProvisionedThroughput

type ProvisionedThroughput struct {
	ReadCapacityUnits  int
	WriteCapacityUnits int
}

ProvisionedThroughput describes a set of provisioned throughput values for a DynamoDBTable resource.

type Resource

type Resource struct {
	Type           string
	CreationPolicy *CreationPolicy `json:",omitempty"`
	DeletionPolicy DeletionPolicy  `json:",omitempty"`
	DependsOn      []interface{}   `json:",omitempty"`
	Metadata       interface{}     `json:",omitempty"`
	Properties     interface{}
	UpdatePolicy   *UpdatePolicy `json:",omitempty"`
}

A Resource is an AWS resource.

type ResourceSignal

type ResourceSignal struct {
	Count   int    `json:",omitempty"`
	Timeout string `json:",omitempty"`
}

A ResourceSignal determines how many signals are required by a CreationPolicy.

type Resources

type Resources map[string]Resource

Resources is a set of named resources.

type Role

type Role struct {
	AssumeRolePolicyDocument interface{}
	Path                     string
	Policies                 interface{} `json:",omitempty"`
}

A Role is an IAM role.

type Route

type Route struct {
	DestinationCIDRBlock   string      `json:"DestinationCidrBlock"`
	GatewayID              interface{} `json:"GatewayId,omitempty"`
	InstanceID             interface{} `json:"InstanceId,omitempty"`
	NetworkInterfaceID     interface{} `json:"NetworkInterfaceId,omitempty"`
	RouteTableID           interface{} `json:"RouteTableId,omitempty"`
	VPCPeeringConnectionID interface{} `json:"VpcPeeringConnectionId,omitempty"`
}

A Route is an entry in a route table.

type RouteTable

type RouteTable struct {
	VPCID interface{} `json:"VpcId,omitempty"`
	Tags  []Tag       `json:"Tags,omitempty"`
}

A RouteTable is a table of routes.

type S3Bucket

type S3Bucket struct {
	AccessControl        string
	BucketName           interface{}
	LoggingConfiguration *S3LoggingConfiguration `json:",omitempty"`
	Tags                 []Tag                   `json:",omitempty"`
}

An S3Bucket is a collection of blobs on S3.

type S3BucketPolicy

type S3BucketPolicy struct {
	Bucket         interface{}
	PolicyDocument map[string]interface{}
}

An S3BucketPolicy is a policy for an S3 bucket.

type S3LoggingConfiguration

type S3LoggingConfiguration struct {
	DestinationBucketName interface{}
	LogFilePrefix         string `json:",omitempty"`
}

An S3LoggingConfiguration configures logging for S3 buckets.

type ScalingPolicy

type ScalingPolicy struct {
	AdjustmentType       string
	AutoScalingGroupName interface{}
	Cooldown             string `json:",omitempty"`
	ScalingAdjustment    string
}

A ScalingPolicy specifies whether to scale the auto scaling group up or down, and by how much.

type ScheduledAction

type ScheduledAction struct {
	AutoScalingGroupName interface{}
	DesiredCapacity      int       `json:",omitempty"`
	EndTime              time.Time `json:",omitempty"`
	MaxSize              int       `json:",omitempty"`
	MinSize              int       `json:",omitempty"`
	Recurrence           time.Time `json:",omitempty"`
	StartTime            time.Time `json:",omitempty"`
}

ScheduledAction creates a scheduled scaling action for an Auto Scaling group, changing the number of servers available for your application in response to predictable load changes.

type SecurityGroup

type SecurityGroup struct {
	GroupDescription     interface{}
	SecurityGroupEgress  []SecurityGroupRule `json:",omitempty"`
	SecurityGroupIngress []SecurityGroupRule `json:",omitempty"`
	Tags                 []Tag               `json:",omitempty"`
	VPCID                interface{}         `json:"VpcId"`
}

A SecurityGroup determines which instances can communicate with each other.

type SecurityGroupRule

type SecurityGroupRule struct {
	CIDRIP                     interface{} `json:"CidrIp,omitempty"`
	DestinationSecurityGroupID interface{} `json:"DestinationSecurityGroupId,omitempty"`
	FromPort                   int
	IPProtocol                 interface{} `json:"IpProtocol"`
	SourceSecurityGroupID      interface{} `json:"SourceSecurityGroupId,omitempty"`
	SourceSecurityGroupName    string      `json:",omitempty"`
	SourceSecurityGroupOwnerID interface{} `json:"SourceSecurityGroupOwnerId,omitempty"`
	ToPort                     int
}

A SecurityGroupRule is a rule in a security group.

type Subnet

type Subnet struct {
	AvailabilityZone string      `json:"AvailabilityZone,omitempty"`
	CIDRBlock        string      `json:"CidrBlock,omitempty"`
	Tags             []Tag       `json:"Tags,omitempty"`
	VPCID            interface{} `json:"VpcId,omitempty"`
}

A Subnet is an IP subnet in a VPC.

type SubnetRouteTableAssociation

type SubnetRouteTableAssociation struct {
	RouteTableID interface{} `json:"RouteTableId,omitempty"`
	SubnetID     interface{} `json:"SubnetId,omitempty"`
}

A SubnetRouteTableAssociation associates a route table with a subnet.

type Tag

type Tag struct {
	Key   interface{}
	Value interface{}
}

A Tag is a key and value pair.

type Template

type Template struct {
	AWSTemplateFormatVersion string                 `json:",omitempty"`
	Description              string                 `json:",omitempty"`
	Parameters               map[string]Parameter   `json:",omitempty"`
	Mappings                 map[string]interface{} `json:",omitempty"`
	Conditions               map[string]interface{} `json:",omitempty"`
	Resources                Resources              `json:",omitempty"`
	Outputs                  map[string]Output      `json:",omitempty"`
}

A Template describes a set of AWS resources which belong to a stack.

func NewTemplate

func NewTemplate(desc string) *Template

NewTemplate returns a new, blank template with the given description.

type UpdatePolicy

type UpdatePolicy struct {
	AutoScalingRollingUpdate   *AutoScalingRollingUpdate   `json:",omitempty"`
	AutoScalingScheduledAction *AutoScalingScheduledAction `json:",omitempty"`
}

An UpdatePolicy dictates how a resource should be updated.

type VPC

type VPC struct {
	CIDRBlock          string `json:"CidrBlock"`
	EnableDNSSupport   bool   `json:"EnableDnsSupport,omitempty"`
	EnableDNSHostnames bool   `json:"EnableDnsHostnames,omitempty"`
	InstanceTenancy    string `json:"InstanceTenancy,omitempty"`
	Tags               []Tag  `json:"Tags,omitempty"`
}

A VPC is a virtual private cloud.

type VPCGatewayAttachment

type VPCGatewayAttachment struct {
	InternetGatewayID interface{} `json:"InternetGatewayId,omitempty"`
	VPCID             interface{} `json:"VpcId,omitempty"`
	VPNGatewayID      string      `json:"VpnGatewayId,omitempty"`
}

A VPCGatewayAttachment attaches an internet gateway to a VPC.