Documentation
¶
Index ¶
Constants ¶
This section is empty.
Variables ¶
This section is empty.
Functions ¶
func EdgeFunction_IsConstruct ¶
func EdgeFunction_IsConstruct(x interface{}) *bool
Return whether the given object is a Construct. Experimental.
func EdgeFunction_IsResource ¶
func EdgeFunction_IsResource(construct awscdk.IConstruct) *bool
Check whether the given construct is a Resource. Experimental.
func NewEdgeFunction_Override ¶
func NewEdgeFunction_Override(e EdgeFunction, scope constructs.Construct, id *string, props *EdgeFunctionProps)
Experimental.
Types ¶
type EdgeFunction ¶
type EdgeFunction interface {
awscdk.Resource
awslambda.IVersion
// The system architectures compatible with this lambda function.
// Experimental.
Architecture() awslambda.Architecture
// Not supported.
//
// Connections are only applicable to VPC-enabled functions.
// Experimental.
Connections() awsec2.Connections
// Convenience method to make `EdgeFunction` conform to the same interface as `Function`.
// Experimental.
CurrentVersion() awslambda.IVersion
// The ARN of the version for Lambda@Edge.
// Experimental.
EdgeArn() *string
// The environment this resource belongs to.
//
// For resources that are created and managed by the CDK
// (generally, those created by creating new class instances like Role, Bucket, etc.),
// this is always the same as the environment of the stack they belong to;
// however, for imported resources
// (those obtained from static methods like fromRoleArn, fromBucketName, etc.),
// that might be different than the stack they were imported into.
// Experimental.
Env() *awscdk.ResourceEnvironment
// The ARN of the function.
// Experimental.
FunctionArn() *string
// The name of the function.
// Experimental.
FunctionName() *string
// The principal to grant permissions to.
// Experimental.
GrantPrincipal() awsiam.IPrincipal
// Whether or not this Lambda function was bound to a VPC.
//
// If this is is `false`, trying to access the `connections` object will fail.
// Experimental.
IsBoundToVpc() *bool
// The underlying AWS Lambda function.
// Experimental.
Lambda() awslambda.IFunction
// The `$LATEST` version of this function.
//
// Note that this is reference to a non-specific AWS Lambda version, which
// means the function this version refers to can return different results in
// different invocations.
//
// To obtain a reference to an explicit version which references the current
// function configuration, use `lambdaFunction.currentVersion` instead.
// Experimental.
LatestVersion() awslambda.IVersion
// The construct tree node associated with this construct.
// Experimental.
Node() awscdk.ConstructNode
// The construct node where permissions are attached.
// Experimental.
PermissionsNode() awscdk.ConstructNode
// Returns a string-encoded token that resolves to the physical name that should be passed to the CloudFormation resource.
//
// This value will resolve to one of the following:
// - a concrete value (e.g. `"my-awesome-bucket"`)
// - `undefined`, when a name should be generated by CloudFormation
// - a concrete name generated automatically during synthesis, in
// cross-environment scenarios.
// Experimental.
PhysicalName() *string
// The ARN(s) to put into the resource field of the generated IAM policy for grantInvoke().
//
// This property is for cdk modules to consume only. You should not need to use this property.
// Instead, use grantInvoke() directly.
// Experimental.
ResourceArnsForGrantInvoke() *[]*string
// The IAM role associated with this function.
// Experimental.
Role() awsiam.IRole
// The stack in which this resource is defined.
// Experimental.
Stack() awscdk.Stack
// The most recently deployed version of this function.
// Experimental.
Version() *string
// Defines an alias for this version.
// Experimental.
AddAlias(aliasName *string, options *awslambda.AliasOptions) awslambda.Alias
// Adds an event source to this function.
// Experimental.
AddEventSource(source awslambda.IEventSource)
// Adds an event source that maps to this AWS Lambda function.
// Experimental.
AddEventSourceMapping(id *string, options *awslambda.EventSourceMappingOptions) awslambda.EventSourceMapping
// Adds a url to this lambda function.
// Experimental.
AddFunctionUrl(options *awslambda.FunctionUrlOptions) awslambda.FunctionUrl
// Adds a permission to the Lambda resource policy.
// Experimental.
AddPermission(id *string, permission *awslambda.Permission)
// Adds a statement to the IAM role assumed by the instance.
// Experimental.
AddToRolePolicy(statement awsiam.PolicyStatement)
// Apply the given removal policy to this resource.
//
// The Removal Policy controls what happens to this resource when it stops
// being managed by CloudFormation, either because you've removed it from the
// CDK application or because you've made a change that requires the resource
// to be replaced.
//
// The resource can be deleted (`RemovalPolicy.DESTROY`), or left in your AWS
// account for data recovery and cleanup later (`RemovalPolicy.RETAIN`).
// Experimental.
ApplyRemovalPolicy(policy awscdk.RemovalPolicy)
// Configures options for asynchronous invocation.
// Experimental.
ConfigureAsyncInvoke(options *awslambda.EventInvokeConfigOptions)
// Experimental.
GeneratePhysicalName() *string
// Returns an environment-sensitive token that should be used for the resource's "ARN" attribute (e.g. `bucket.bucketArn`).
//
// Normally, this token will resolve to `arnAttr`, but if the resource is
// referenced across environments, `arnComponents` will be used to synthesize
// a concrete ARN with the resource's physical name. Make sure to reference
// `this.physicalName` in `arnComponents`.
// Experimental.
GetResourceArnAttribute(arnAttr *string, arnComponents *awscdk.ArnComponents) *string
// Returns an environment-sensitive token that should be used for the resource's "name" attribute (e.g. `bucket.bucketName`).
//
// Normally, this token will resolve to `nameAttr`, but if the resource is
// referenced across environments, it will be resolved to `this.physicalName`,
// which will be a concrete name.
// Experimental.
GetResourceNameAttribute(nameAttr *string) *string
// Grant the given identity permissions to invoke this Lambda.
// Experimental.
GrantInvoke(identity awsiam.IGrantable) awsiam.Grant
// Grant the given identity permissions to invoke this Lambda Function URL.
// Experimental.
GrantInvokeUrl(identity awsiam.IGrantable) awsiam.Grant
// Return the given named metric for this Lambda Return the given named metric for this Function.
// Experimental.
Metric(metricName *string, props *awscloudwatch.MetricOptions) awscloudwatch.Metric
// Metric for the Duration of this Lambda How long execution of this Lambda takes.
//
// Average over 5 minutes.
// Experimental.
MetricDuration(props *awscloudwatch.MetricOptions) awscloudwatch.Metric
// How many invocations of this Lambda fail.
//
// Sum over 5 minutes.
// Experimental.
MetricErrors(props *awscloudwatch.MetricOptions) awscloudwatch.Metric
// Metric for the number of invocations of this Lambda How often this Lambda is invoked.
//
// Sum over 5 minutes.
// Experimental.
MetricInvocations(props *awscloudwatch.MetricOptions) awscloudwatch.Metric
// Metric for the number of throttled invocations of this Lambda How often this Lambda is throttled.
//
// Sum over 5 minutes.
// Experimental.
MetricThrottles(props *awscloudwatch.MetricOptions) awscloudwatch.Metric
// Perform final modifications before synthesis.
//
// This method can be implemented by derived constructs in order to perform
// final changes before synthesis. prepare() will be called after child
// constructs have been prepared.
//
// This is an advanced framework feature. Only use this if you
// understand the implications.
// Experimental.
OnPrepare()
// Allows this construct to emit artifacts into the cloud assembly during synthesis.
//
// This method is usually implemented by framework-level constructs such as `Stack` and `Asset`
// as they participate in synthesizing the cloud assembly.
// Experimental.
OnSynthesize(session constructs.ISynthesisSession)
// Validate the current construct.
//
// This method can be implemented by derived constructs in order to perform
// validation logic. It is called on all constructs before synthesis.
//
// Returns: An array of validation error messages, or an empty array if the construct is valid.
// Experimental.
OnValidate() *[]*string
// Perform final modifications before synthesis.
//
// This method can be implemented by derived constructs in order to perform
// final changes before synthesis. prepare() will be called after child
// constructs have been prepared.
//
// This is an advanced framework feature. Only use this if you
// understand the implications.
// Experimental.
Prepare()
// Allows this construct to emit artifacts into the cloud assembly during synthesis.
//
// This method is usually implemented by framework-level constructs such as `Stack` and `Asset`
// as they participate in synthesizing the cloud assembly.
// Experimental.
Synthesize(session awscdk.ISynthesisSession)
// Returns a string representation of this construct.
// Experimental.
ToString() *string
// Validate the current construct.
//
// This method can be implemented by derived constructs in order to perform
// validation logic. It is called on all constructs before synthesis.
//
// Returns: An array of validation error messages, or an empty array if the construct is valid.
// Experimental.
Validate() *[]*string
}
A Lambda@Edge function.
Convenience resource for requesting a Lambda function in the 'us-east-1' region for use with Lambda@Edge. Implements several restrictions enforced by Lambda@Edge.
Note that this construct requires that the 'us-east-1' region has been bootstrapped. See https://docs.aws.amazon.com/cdk/latest/guide/bootstrapping.html or 'cdk bootstrap --help' for options.
Example:
var myBucket bucket
// A Lambda@Edge function added to default behavior of a Distribution
// and triggered on every request
myFunc := #error#.NewEdgeFunction(this, jsii.String("MyFunction"), &edgeFunctionProps{
runtime: lambda.runtime_NODEJS_12_X(),
handler: jsii.String("index.handler"),
code: lambda.code.fromAsset(path.join(__dirname, jsii.String("lambda-handler"))),
})
cloudfront.NewDistribution(this, jsii.String("myDist"), &distributionProps{
defaultBehavior: &behaviorOptions{
origin: origins.NewS3Origin(myBucket),
edgeLambdas: []edgeLambda{
&edgeLambda{
functionVersion: myFunc.currentVersion,
eventType: cloudfront.lambdaEdgeEventType_VIEWER_REQUEST,
},
},
},
})
Experimental.
func NewEdgeFunction ¶
func NewEdgeFunction(scope constructs.Construct, id *string, props *EdgeFunctionProps) EdgeFunction
Experimental.
type EdgeFunctionProps ¶
type EdgeFunctionProps struct {
// The maximum age of a request that Lambda sends to a function for processing.
//
// Minimum: 60 seconds
// Maximum: 6 hours.
// Experimental.
MaxEventAge awscdk.Duration `field:"optional" json:"maxEventAge" yaml:"maxEventAge"`
// The destination for failed invocations.
// Experimental.
OnFailure awslambda.IDestination `field:"optional" json:"onFailure" yaml:"onFailure"`
// The destination for successful invocations.
// Experimental.
OnSuccess awslambda.IDestination `field:"optional" json:"onSuccess" yaml:"onSuccess"`
// The maximum number of times to retry when the function returns an error.
//
// Minimum: 0
// Maximum: 2.
// Experimental.
RetryAttempts *float64 `field:"optional" json:"retryAttempts" yaml:"retryAttempts"`
// Whether to allow the Lambda to send all network traffic.
//
// If set to false, you must individually add traffic rules to allow the
// Lambda to connect to network targets.
// Experimental.
AllowAllOutbound *bool `field:"optional" json:"allowAllOutbound" yaml:"allowAllOutbound"`
// Lambda Functions in a public subnet can NOT access the internet.
//
// Use this property to acknowledge this limitation and still place the function in a public subnet.
// See: https://stackoverflow.com/questions/52992085/why-cant-an-aws-lambda-function-inside-a-public-subnet-in-a-vpc-connect-to-the/52994841#52994841
//
// Experimental.
AllowPublicSubnet *bool `field:"optional" json:"allowPublicSubnet" yaml:"allowPublicSubnet"`
// The system architectures compatible with this lambda function.
// Experimental.
Architecture awslambda.Architecture `field:"optional" json:"architecture" yaml:"architecture"`
// DEPRECATED.
// Deprecated: use `architecture`.
Architectures *[]awslambda.Architecture `field:"optional" json:"architectures" yaml:"architectures"`
// Code signing config associated with this function.
// Experimental.
CodeSigningConfig awslambda.ICodeSigningConfig `field:"optional" json:"codeSigningConfig" yaml:"codeSigningConfig"`
// Options for the `lambda.Version` resource automatically created by the `fn.currentVersion` method.
// Experimental.
CurrentVersionOptions *awslambda.VersionOptions `field:"optional" json:"currentVersionOptions" yaml:"currentVersionOptions"`
// The SQS queue to use if DLQ is enabled.
//
// If SNS topic is desired, specify `deadLetterTopic` property instead.
// Experimental.
DeadLetterQueue awssqs.IQueue `field:"optional" json:"deadLetterQueue" yaml:"deadLetterQueue"`
// Enabled DLQ.
//
// If `deadLetterQueue` is undefined,
// an SQS queue with default options will be defined for your Function.
// Experimental.
DeadLetterQueueEnabled *bool `field:"optional" json:"deadLetterQueueEnabled" yaml:"deadLetterQueueEnabled"`
// The SNS topic to use as a DLQ.
//
// Note that if `deadLetterQueueEnabled` is set to `true`, an SQS queue will be created
// rather than an SNS topic. Using an SNS topic as a DLQ requires this property to be set explicitly.
// Experimental.
DeadLetterTopic awssns.ITopic `field:"optional" json:"deadLetterTopic" yaml:"deadLetterTopic"`
// A description of the function.
// Experimental.
Description *string `field:"optional" json:"description" yaml:"description"`
// Key-value pairs that Lambda caches and makes available for your Lambda functions.
//
// Use environment variables to apply configuration changes, such
// as test and production environment configurations, without changing your
// Lambda function source code.
// Experimental.
Environment *map[string]*string `field:"optional" json:"environment" yaml:"environment"`
// The AWS KMS key that's used to encrypt your function's environment variables.
// Experimental.
EnvironmentEncryption awskms.IKey `field:"optional" json:"environmentEncryption" yaml:"environmentEncryption"`
// The size of the function’s /tmp directory in MiB.
// Experimental.
EphemeralStorageSize awscdk.Size `field:"optional" json:"ephemeralStorageSize" yaml:"ephemeralStorageSize"`
// Event sources for this function.
//
// You can also add event sources using `addEventSource`.
// Experimental.
Events *[]awslambda.IEventSource `field:"optional" json:"events" yaml:"events"`
// The filesystem configuration for the lambda function.
// Experimental.
Filesystem awslambda.FileSystem `field:"optional" json:"filesystem" yaml:"filesystem"`
// A name for the function.
// Experimental.
FunctionName *string `field:"optional" json:"functionName" yaml:"functionName"`
// Initial policy statements to add to the created Lambda Role.
//
// You can call `addToRolePolicy` to the created lambda to add statements post creation.
// Experimental.
InitialPolicy *[]awsiam.PolicyStatement `field:"optional" json:"initialPolicy" yaml:"initialPolicy"`
// Specify the version of CloudWatch Lambda insights to use for monitoring.
// See: https://docs.aws.amazon.com/AmazonCloudWatch/latest/monitoring/Lambda-Insights-Getting-Started-docker.html
//
// Experimental.
InsightsVersion awslambda.LambdaInsightsVersion `field:"optional" json:"insightsVersion" yaml:"insightsVersion"`
// A list of layers to add to the function's execution environment.
//
// You can configure your Lambda function to pull in
// additional code during initialization in the form of layers. Layers are packages of libraries or other dependencies
// that can be used by multiple functions.
// Experimental.
Layers *[]awslambda.ILayerVersion `field:"optional" json:"layers" yaml:"layers"`
// The number of days log events are kept in CloudWatch Logs.
//
// When updating
// this property, unsetting it doesn't remove the log retention policy. To
// remove the retention policy, set the value to `INFINITE`.
// Experimental.
LogRetention awslogs.RetentionDays `field:"optional" json:"logRetention" yaml:"logRetention"`
// When log retention is specified, a custom resource attempts to create the CloudWatch log group.
//
// These options control the retry policy when interacting with CloudWatch APIs.
// Experimental.
LogRetentionRetryOptions *awslambda.LogRetentionRetryOptions `field:"optional" json:"logRetentionRetryOptions" yaml:"logRetentionRetryOptions"`
// The IAM role for the Lambda function associated with the custom resource that sets the retention policy.
// Experimental.
LogRetentionRole awsiam.IRole `field:"optional" json:"logRetentionRole" yaml:"logRetentionRole"`
// The amount of memory, in MB, that is allocated to your Lambda function.
//
// Lambda uses this value to proportionally allocate the amount of CPU
// power. For more information, see Resource Model in the AWS Lambda
// Developer Guide.
// Experimental.
MemorySize *float64 `field:"optional" json:"memorySize" yaml:"memorySize"`
// Enable profiling.
// See: https://docs.aws.amazon.com/codeguru/latest/profiler-ug/setting-up-lambda.html
//
// Experimental.
Profiling *bool `field:"optional" json:"profiling" yaml:"profiling"`
// Profiling Group.
// See: https://docs.aws.amazon.com/codeguru/latest/profiler-ug/setting-up-lambda.html
//
// Experimental.
ProfilingGroup awscodeguruprofiler.IProfilingGroup `field:"optional" json:"profilingGroup" yaml:"profilingGroup"`
// The maximum of concurrent executions you want to reserve for the function.
// See: https://docs.aws.amazon.com/lambda/latest/dg/concurrent-executions.html
//
// Experimental.
ReservedConcurrentExecutions *float64 `field:"optional" json:"reservedConcurrentExecutions" yaml:"reservedConcurrentExecutions"`
// Lambda execution role.
//
// This is the role that will be assumed by the function upon execution.
// It controls the permissions that the function will have. The Role must
// be assumable by the 'lambda.amazonaws.com' service principal.
//
// The default Role automatically has permissions granted for Lambda execution. If you
// provide a Role, you must add the relevant AWS managed policies yourself.
//
// The relevant managed policies are "service-role/AWSLambdaBasicExecutionRole" and
// "service-role/AWSLambdaVPCAccessExecutionRole".
// Experimental.
Role awsiam.IRole `field:"optional" json:"role" yaml:"role"`
// What security group to associate with the Lambda's network interfaces. This property is being deprecated, consider using securityGroups instead.
//
// Only used if 'vpc' is supplied.
//
// Use securityGroups property instead.
// Function constructor will throw an error if both are specified.
// Deprecated: - This property is deprecated, use securityGroups instead.
SecurityGroup awsec2.ISecurityGroup `field:"optional" json:"securityGroup" yaml:"securityGroup"`
// The list of security groups to associate with the Lambda's network interfaces.
//
// Only used if 'vpc' is supplied.
// Experimental.
SecurityGroups *[]awsec2.ISecurityGroup `field:"optional" json:"securityGroups" yaml:"securityGroups"`
// The function execution time (in seconds) after which Lambda terminates the function.
//
// Because the execution time affects cost, set this value
// based on the function's expected execution time.
// Experimental.
Timeout awscdk.Duration `field:"optional" json:"timeout" yaml:"timeout"`
// Enable AWS X-Ray Tracing for Lambda Function.
// Experimental.
Tracing awslambda.Tracing `field:"optional" json:"tracing" yaml:"tracing"`
// VPC network to place Lambda network interfaces.
//
// Specify this if the Lambda function needs to access resources in a VPC.
// Experimental.
Vpc awsec2.IVpc `field:"optional" json:"vpc" yaml:"vpc"`
// Where to place the network interfaces within the VPC.
//
// Only used if 'vpc' is supplied. Note: internet access for Lambdas
// requires a NAT gateway, so picking Public subnets is not allowed.
// Experimental.
VpcSubnets *awsec2.SubnetSelection `field:"optional" json:"vpcSubnets" yaml:"vpcSubnets"`
// The source code of your Lambda function.
//
// You can point to a file in an
// Amazon Simple Storage Service (Amazon S3) bucket or specify your source
// code as inline text.
// Experimental.
Code awslambda.Code `field:"required" json:"code" yaml:"code"`
// The name of the method within your code that Lambda calls to execute your function.
//
// The format includes the file name. It can also include
// namespaces and other qualifiers, depending on the runtime.
// For more information, see https://docs.aws.amazon.com/lambda/latest/dg/gettingstarted-features.html#gettingstarted-features-programmingmodel.
//
// Use `Handler.FROM_IMAGE` when defining a function from a Docker image.
//
// NOTE: If you specify your source code as inline text by specifying the
// ZipFile property within the Code property, specify index.function_name as
// the handler.
// Experimental.
Handler *string `field:"required" json:"handler" yaml:"handler"`
// The runtime environment for the Lambda function that you are uploading.
//
// For valid values, see the Runtime property in the AWS Lambda Developer
// Guide.
//
// Use `Runtime.FROM_IMAGE` when when defining a function from a Docker image.
// Experimental.
Runtime awslambda.Runtime `field:"required" json:"runtime" yaml:"runtime"`
// The stack ID of Lambda@Edge function.
// Experimental.
StackId *string `field:"optional" json:"stackId" yaml:"stackId"`
}
Properties for creating a Lambda@Edge function.
Example:
var myBucket bucket
// A Lambda@Edge function added to default behavior of a Distribution
// and triggered on every request
myFunc := #error#.NewEdgeFunction(this, jsii.String("MyFunction"), &edgeFunctionProps{
runtime: lambda.runtime_NODEJS_12_X(),
handler: jsii.String("index.handler"),
code: lambda.code.fromAsset(path.join(__dirname, jsii.String("lambda-handler"))),
})
cloudfront.NewDistribution(this, jsii.String("myDist"), &distributionProps{
defaultBehavior: &behaviorOptions{
origin: origins.NewS3Origin(myBucket),
edgeLambdas: []edgeLambda{
&edgeLambda{
functionVersion: myFunc.currentVersion,
eventType: cloudfront.lambdaEdgeEventType_VIEWER_REQUEST,
},
},
},
})
Experimental.
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