@aws-cdk/aws-iam
Advanced tools
Package description
@aws-cdk/aws-iam is an AWS Cloud Development Kit (CDK) library that allows you to define AWS Identity and Access Management (IAM) resources in your CDK applications. This package provides constructs for creating and managing IAM roles, users, policies, and groups, enabling you to manage permissions and access control in your AWS environment programmatically.
Create IAM Role
This code sample demonstrates how to create an IAM role that can be assumed by EC2 instances and has read-only access to Amazon S3.
const iam = require('@aws-cdk/aws-iam');
const cdk = require('@aws-cdk/core');
class MyStack extends cdk.Stack {
constructor(scope, id, props) {
super(scope, id, props);
new iam.Role(this, 'MyRole', {
assumedBy: new iam.ServicePrincipal('ec2.amazonaws.com'),
managedPolicies: [
iam.ManagedPolicy.fromAwsManagedPolicyName('AmazonS3ReadOnlyAccess')
]
});
}
}
const app = new cdk.App();
new MyStack(app, 'MyStack');Create IAM User
This code sample demonstrates how to create an IAM user with administrator access.
const iam = require('@aws-cdk/aws-iam');
const cdk = require('@aws-cdk/core');
class MyStack extends cdk.Stack {
constructor(scope, id, props) {
super(scope, id, props);
new iam.User(this, 'MyUser', {
userName: 'my-user',
managedPolicies: [
iam.ManagedPolicy.fromAwsManagedPolicyName('AdministratorAccess')
]
});
}
}
const app = new cdk.App();
new MyStack(app, 'MyStack');Attach Inline Policy to Role
This code sample demonstrates how to create an IAM role and attach an inline policy that allows listing objects in a specific S3 bucket.
const iam = require('@aws-cdk/aws-iam');
const cdk = require('@aws-cdk/core');
class MyStack extends cdk.Stack {
constructor(scope, id, props) {
super(scope, id, props);
const role = new iam.Role(this, 'MyRole', {
assumedBy: new iam.ServicePrincipal('lambda.amazonaws.com')
});
role.addToPolicy(new iam.PolicyStatement({
actions: ['s3:ListBucket'],
resources: ['arn:aws:s3:::my-bucket']
}));
}
}
const app = new cdk.App();
new MyStack(app, 'MyStack');The aws-sdk package is the official AWS SDK for JavaScript, which allows you to interact with AWS services, including IAM, using JavaScript. Unlike @aws-cdk/aws-iam, which is used for defining and deploying AWS infrastructure, aws-sdk is used for making API calls to AWS services.
The serverless framework is a toolkit for deploying and operating serverless architectures, including AWS Lambda functions and associated IAM roles and policies. It provides a higher-level abstraction compared to @aws-cdk/aws-iam and is focused on serverless applications.
Terraform is an open-source infrastructure as code software tool that provides a consistent CLI workflow to manage hundreds of cloud services, including AWS IAM. It is similar to @aws-cdk/aws-iam in that it allows you to define and manage AWS infrastructure, but it is not limited to AWS and supports multiple cloud providers.
Changelog
0.9.1 (2018-09-13)
Readme
Define a role and add permissions to it. This will automatically create and attach an IAM policy to the role:
const role = new Role(this, 'MyRole', {
assumedBy: new ServicePrincipal('sns.amazonaws.com')
});
role.addPermission(new Permission('*', 'lambda:InvokeFunction'));
Define a policy and attach it to groups, users and roles. Note that it is possible to attach
the policy either by calling xxx.attachPolicy(policy) or policy.attachToXxx(xxx).
const user = new User(this, 'MyUser', { password: '1234' });
const group = new Group(this, 'MyGroup');
const policy = new Policy(this, 'MyPolicy');
policy.attachToUser(user);
group.attachPolicy(policy);
Managed policies can be attached using xxx.attachManagedPolicy(arn):
const group = new Group(this, 'MyGroup');
group.attachManagedPolicy('arn:aws:iam::aws:policy/AdministratorAccess');
FAQs
CDK routines for easily assigning correct and minimal IAM permissions
The npm package @aws-cdk/aws-iam receives a total of 147,421 weekly downloads. As such, @aws-cdk/aws-iam popularity was classified as popular.
We found that @aws-cdk/aws-iam 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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