aws-cdk-lib
Version:
Version 2 of the AWS Cloud Development Kit library
369 lines (368 loc) • 13 kB
TypeScript
import { Construct } from 'constructs';
import { Code } from './code';
import { Runtime } from './runtime';
import { Schedule } from './schedule';
import { Metric, MetricOptions } from '../../aws-cloudwatch';
import * as ec2 from '../../aws-ec2';
import * as iam from '../../aws-iam';
import * as kms from '../../aws-kms';
import * as s3 from '../../aws-s3';
import * as cdk from '../../core';
/**
* Specify a test that the canary should run
*/
export declare class Test {
readonly code: Code;
readonly handler: string;
/**
* Specify a custom test with your own code
*
* @returns `Test` associated with the specified Code object
* @param options The configuration options
*/
static custom(options: CustomTestOptions): Test;
/**
* Construct a Test property
*
* @param code The code that the canary should run
* @param handler The handler of the canary
*/
private constructor();
}
/**
* Properties for specifying a test
*/
export interface CustomTestOptions {
/**
* The code of the canary script
*/
readonly code: Code;
/**
* The handler for the code. Must end with `.handler`.
*/
readonly handler: string;
}
/**
* Different ways to clean up underlying Canary resources
* when the Canary is deleted.
*/
export declare enum Cleanup {
/**
* Clean up nothing. The user is responsible for cleaning up
* all resources left behind by the Canary.
*/
NOTHING = "nothing",
/**
* Clean up the underlying Lambda function only. The user is
* responsible for cleaning up all other resources left behind
* by the Canary.
*/
LAMBDA = "lambda"
}
/**
* Options for specifying the s3 location that stores the data of each canary run. The artifacts bucket location **cannot**
* be updated once the canary is created.
*/
export interface ArtifactsBucketLocation {
/**
* The s3 location that stores the data of each run.
*/
readonly bucket: s3.IBucket;
/**
* The S3 bucket prefix. Specify this if you want a more specific path within the artifacts bucket.
*
* @default - no prefix
*/
readonly prefix?: string;
}
/**
* Properties for a canary
*/
export interface CanaryProps {
/**
* The s3 location that stores the data of the canary runs.
*
* @default - A new s3 bucket will be created without a prefix.
*/
readonly artifactsBucketLocation?: ArtifactsBucketLocation;
/**
* Canary execution role.
*
* This is the role that will be assumed by the canary upon execution.
* It controls the permissions that the canary will have. The role must
* be assumable by the AWS Lambda service principal.
*
* If not supplied, a role will be created with all the required permissions.
* If you provide a Role, you must add the required permissions.
*
* @see required permissions: https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-resource-synthetics-canary.html#cfn-synthetics-canary-executionrolearn
*
* @default - A unique role will be generated for this canary.
* You can add permissions to roles by calling 'addToRolePolicy'.
*/
readonly role?: iam.IRole;
/**
* How long the canary will be in a 'RUNNING' state. For example, if you set `timeToLive` to be 1 hour and `schedule` to be `rate(10 minutes)`,
* your canary will run at 10 minute intervals for an hour, for a total of 6 times.
*
* @default - no limit
*/
readonly timeToLive?: cdk.Duration;
/**
* Specify the schedule for how often the canary runs. For example, if you set `schedule` to `rate(10 minutes)`, then the canary will run every 10 minutes.
* You can set the schedule with `Schedule.rate(Duration)` (recommended) or you can specify an expression using `Schedule.expression()`.
* @default 'rate(5 minutes)'
*/
readonly schedule?: Schedule;
/**
* Whether or not the canary should start after creation.
*
* @default true
*/
readonly startAfterCreation?: boolean;
/**
* How many days should successful runs be retained.
*
* @default Duration.days(31)
*/
readonly successRetentionPeriod?: cdk.Duration;
/**
* How many days should failed runs be retained.
*
* @default Duration.days(31)
*/
readonly failureRetentionPeriod?: cdk.Duration;
/**
* The name of the canary. Be sure to give it a descriptive name that distinguishes it from
* other canaries in your account.
*
* Do not include secrets or proprietary information in your canary name. The canary name
* makes up part of the canary ARN, which is included in outbound calls over the internet.
* @see https://docs.aws.amazon.com/AmazonCloudWatch/latest/monitoring/servicelens_canaries_security.html
*
* @default - A unique name will be generated from the construct ID
*/
readonly canaryName?: string;
/**
* Specify the runtime version to use for the canary.
*
* @see https://docs.aws.amazon.com/AmazonCloudWatch/latest/monitoring/CloudWatch_Synthetics_Canaries_Library.html
*/
readonly runtime: Runtime;
/**
* The type of test that you want your canary to run. Use `Test.custom()` to specify the test to run.
*/
readonly test: Test;
/**
* Specifies whether this canary is to use active AWS X-Ray tracing when it runs.
* Active tracing enables this canary run to be displayed in the ServiceLens and X-Ray service maps even if the
* canary does not hit an endpoint that has X-Ray tracing enabled. Using X-Ray tracing incurs charges.
*
* You can enable active tracing only for canaries that use version `syn-nodejs-2.0` or later for their canary runtime.
*
* @default false
*
* @see https://docs.aws.amazon.com/AmazonCloudWatch/latest/monitoring/CloudWatch_Synthetics_Canaries_tracing.html
*/
readonly activeTracing?: boolean;
/**
* Key-value pairs that the Synthetics caches and makes available for your canary scripts. Use environment variables
* to apply configuration changes, such as test and production environment configurations, without changing your
* Canary script source code.
*
* @default - No environment variables.
*/
readonly environmentVariables?: {
[key: string]: string;
};
/**
* The maximum amount of memory that the canary can use while running.
* This value must be a multiple of 64 Mib.
* The range is 960 MiB to 3008 MiB.
*
* @default Size.mebibytes(1024)
*/
readonly memory?: cdk.Size;
/**
* How long the canary is allowed to run before it must stop.
* You can't set this time to be longer than the frequency of the runs of this canary.
*
* The minimum allowed value is 3 seconds.
* The maximum allowed value is 840 seconds (14 minutes).
*
* @default - the frequency of the canary is used as this value, up to a maximum of 900 seconds.
*/
readonly timeout?: cdk.Duration;
/**
* The VPC where this canary is run.
*
* Specify this if the canary needs to access resources in a VPC.
*
* @default - Not in VPC
*/
readonly vpc?: ec2.IVpc;
/**
* Where to place the network interfaces within the VPC. You must provide `vpc` when using this prop.
*
* @default - the Vpc default strategy if not specified
*/
readonly vpcSubnets?: ec2.SubnetSelection;
/**
* The list of security groups to associate with the canary's network interfaces. You must provide `vpc` when using this prop.
*
* @default - If the canary is placed within a VPC and a security group is
* not specified a dedicated security group will be created for this canary.
*/
readonly securityGroups?: ec2.ISecurityGroup[];
/**
* Specify the underlying resources to be cleaned up when the canary is deleted.
* Using `Cleanup.LAMBDA` will create a Custom Resource to achieve this.
*
* @default Cleanup.NOTHING
*
* @deprecated use provisionedResourceCleanup
*/
readonly cleanup?: Cleanup;
/**
* Whether to also delete the Lambda functions and layers used by this canary when the canary is deleted.
*
* @default undefined - the default behavior is to not delete the Lambda functions and layers
*/
readonly provisionedResourceCleanup?: boolean;
/**
* Lifecycle rules for the generated canary artifact bucket. Has no effect
* if a bucket is passed to `artifactsBucketLocation`. If you pass a bucket
* to `artifactsBucketLocation`, you can add lifecycle rules to the bucket
* itself.
*
* @default - no rules applied to the generated bucket.
*/
readonly artifactsBucketLifecycleRules?: Array<s3.LifecycleRule>;
/**
* Canary Artifacts in S3 encryption mode.
* Artifact encryption is only supported for canaries that use Synthetics runtime
* version `syn-nodejs-puppeteer-3.3` or later.
*
* @default - Artifacts are encrypted at rest using an AWS managed key. `ArtifactsEncryptionMode.KMS` is set if you specify `artifactS3KmsKey`.
*
* @see https://docs.aws.amazon.com/AmazonCloudWatch/latest/monitoring/CloudWatch_Synthetics_artifact_encryption.html
*/
readonly artifactS3EncryptionMode?: ArtifactsEncryptionMode;
/**
* The KMS key used to encrypt canary artifacts.
*
* @default - no kms key if `artifactS3EncryptionMode` is set to `S3_MANAGED`. A key will be created if one is not provided and `artifactS3EncryptionMode` is set to `KMS`.
*/
readonly artifactS3KmsKey?: kms.IKey;
}
/**
* Encryption mode for canary artifacts.
*/
export declare enum ArtifactsEncryptionMode {
/**
* Server-side encryption (SSE) with an Amazon S3-managed key.
*/
S3_MANAGED = "SSE_S3",
/**
* Server-side encryption (SSE) with an AWS KMS customer managed key.
*/
KMS = "SSE_KMS"
}
/**
* Define a new Canary
*/
export declare class Canary extends cdk.Resource implements ec2.IConnectable {
/**
* Execution role associated with this Canary.
*/
readonly role: iam.IRole;
/**
* The canary ID
* @attribute
*/
readonly canaryId: string;
/**
* The state of the canary. For example, 'RUNNING', 'STOPPED', 'NOT STARTED', or 'ERROR'.
* @attribute
*/
readonly canaryState: string;
/**
* The canary Name
* @attribute
*/
readonly canaryName: string;
/**
* Bucket where data from each canary run is stored.
*/
readonly artifactsBucket: s3.IBucket;
/**
* Actual connections object for the underlying Lambda
*
* May be unset, in which case the canary Lambda is not configured for use in a VPC.
* @internal
*/
private readonly _connections?;
private readonly _resource;
constructor(scope: Construct, id: string, props: CanaryProps);
private cleanupUnderlyingResources;
/**
* Access the Connections object
*
* Will fail if not a VPC-enabled Canary
*/
get connections(): ec2.Connections;
/**
* Measure the Duration of a single canary run, in seconds.
*
* @param options - configuration options for the metric
*
* @default avg over 5 minutes
*/
metricDuration(options?: MetricOptions): Metric;
/**
* Measure the percentage of successful canary runs.
*
* @param options - configuration options for the metric
*
* @default avg over 5 minutes
*/
metricSuccessPercent(options?: MetricOptions): Metric;
/**
* Measure the number of failed canary runs over a given time period.
*
* Default: sum over 5 minutes
*
* @param options - configuration options for the metric
*/
metricFailed(options?: MetricOptions): Metric;
/**
* Returns a default role for the canary
*/
private createDefaultRole;
private logGroupArn;
private lambdaArn;
/**
* Returns the code object taken in by the canary resource.
*/
private createCode;
/**
* Verifies that the handler name matches the conventions given a certain runtime.
*
* @see https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-properties-synthetics-canary-code.html#cfn-synthetics-canary-code-handler
* @param handler - the name of the handler
* @param runtime - the runtime version
*/
private validateHandler;
private createRunConfig;
/**
* Returns a canary schedule object
*/
private createSchedule;
private createVpcConfig;
private createArtifactConfig;
/**
* Creates a unique name for the canary. The generated name is the physical ID of the canary.
*/
private generateUniqueName;
private cannedMetric;
}