@aws-cdk/aws-kms
Advanced tools
@aws-cdk/aws-kms is an AWS CDK library that allows you to define and manage AWS Key Management Service (KMS) resources in your AWS infrastructure as code. It provides constructs for creating and managing KMS keys, aliases, and grants, enabling secure encryption and decryption of data.
Create a KMS Key
This code sample demonstrates how to create a new KMS key with key rotation enabled and an alias using the AWS CDK.
const cdk = require('@aws-cdk/core');
const kms = require('@aws-cdk/aws-kms');
const app = new cdk.App();
const stack = new cdk.Stack(app, 'MyStack');
const key = new kms.Key(stack, 'MyKey', {
enableKeyRotation: true,
alias: 'alias/my-key'
});
app.synth();Create a KMS Alias
This code sample demonstrates how to create a new KMS alias that points to an existing KMS key using the AWS CDK.
const cdk = require('@aws-cdk/core');
const kms = require('@aws-cdk/aws-kms');
const app = new cdk.App();
const stack = new cdk.Stack(app, 'MyStack');
const key = new kms.Key(stack, 'MyKey');
const alias = new kms.Alias(stack, 'MyAlias', {
aliasName: 'alias/my-alias',
targetKey: key
});
app.synth();Grant Permissions to a KMS Key
This code sample demonstrates how to grant encrypt and decrypt permissions to an IAM user for a KMS key using the AWS CDK.
const cdk = require('@aws-cdk/core');
const kms = require('@aws-cdk/aws-kms');
const iam = require('@aws-cdk/aws-iam');
const app = new cdk.App();
const stack = new cdk.Stack(app, 'MyStack');
const key = new kms.Key(stack, 'MyKey');
const user = new iam.User(stack, 'MyUser');
key.grantEncryptDecrypt(user);
app.synth();The aws-sdk package is the official AWS SDK for JavaScript, which provides a comprehensive set of tools for interacting with AWS services, including KMS. Unlike @aws-cdk/aws-kms, which is used for defining infrastructure as code, aws-sdk is used for making API calls to AWS services directly from your application code.
The serverless package is a framework for building and deploying serverless applications on AWS and other cloud providers. It includes support for managing AWS KMS keys as part of your serverless infrastructure. While it provides similar functionality for managing KMS keys, it is more focused on serverless architectures compared to the broader infrastructure management capabilities of @aws-cdk/aws-kms.
Terraform is an open-source infrastructure as code tool that allows you to define and manage cloud resources, including AWS KMS keys, using a declarative configuration language. It provides similar functionality to @aws-cdk/aws-kms but uses a different syntax and approach to infrastructure management.
Defines a KMS key:
new EncryptionKey(this, 'MyKey', {
enableKeyRotation: true
});
Add a couple of aliases:
const key = new EncryptionKey(this, 'MyKey');
key.addAlias('alias/foo');
key.addAlias('alias/bar');
To use a KMS key that is not defined within this stack, use the
EncryptionKey.import(parent, name, ref) factory method:
const key = EncryptionKey.import(this, 'MyImportedKey', {
keyArn: new KeyArn('arn:aws:...')
});
// you can do stuff with this imported key.
key.addAlias('alias/foo');
To export a key from a stack and import it in another stack, use key.export
which returns an EncryptionKeyRef, which can later be used to import:
// in stackA
const myKey = new EncryptionKey(stackA, 'MyKey');
const myKeyRef = myKey.export();
// meanwhile in stackB
const myKeyImported = EncryptionKey.import(stackB, 'MyKeyImported', myKeyRef);
Note that a call to .addToPolicy(statement) on myKeyImported will not have
an affect on the key's policy because it is not owned by your stack. The call
will be a no-op.
0.22.0 (2019-01-10)
This is a major release with multiple breaking changes in the core layers. Please consult the breaking changes section below for details.
We are focusing these days on finalizing the common patterns and APIs of the CDK framework and the AWS Construct Library, which is why you are seeing all these breaking changes. Expect a few more releases with changes of that nature as we stabilize these APIs, so you might want to hold off with upgrading. We will communicate when this foundational work is complete.
export() and import() to share constructs between stacks, you can stop doing that, instead of FooImportProps accept an IFoo directly on the consuming stack, and use that object as usual.ArnUtils.fromComponents() and ArnUtils.parse() have been moved onto Stack.AWS::AccountId etc) are now also accessible via Stack, as stack.accountId etc.Fn class (e.g. Fn.join(...) instead of new FnJoin(...).toString())resolve() has been moved to this.node.resolve().CloudFormationJSON.stringify() has been moved to this.node.stringifyJson(). validate() now should be protected.cloudformation.XxxResource classes have been removed. Use the CfnXxx classes instead.CfnXxx resource attributes that represented a list of strings are now typed as string[]s (via #1144). Attributes that represent strings, are still typed as string (#712) and all other attribute types are represented as cdk.Token.route53.TXTRecord class was renamed to route53.TxtRecord.zone when created (not assuming zone is the parent construct).lambda.FunctionRef to lambda.Function.XxxRef abstract classes are now IXxx interfacesXxxRefProps are now XxxImportPropsXxxRef.import(...) are now Xxx.import(...) accept XxxImportProps and return IXxxexport(): XxxImportProps is now defined in IXxx and implemented by imported resourcesFAQs
The CDK Construct Library for AWS::KMS
The npm package @aws-cdk/aws-kms receives a total of 107,251 weekly downloads. As such, @aws-cdk/aws-kms popularity was classified as popular.
We found that @aws-cdk/aws-kms demonstrated a not healthy version release cadence and project activity because the last version was released a year ago. It has 4 open source maintainers collaborating on the project.
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