I felt daily administration and interaction with the EKS cluster can really be simplified with these 2 features. Built-In terminal which will ensure that it matches the Kube APIServer version with the version of kubectl.Built-In Prometheus monitoring setup with RBAC maintained for each user so users will see only the permitted resources visualizations.This may vary with OIDC IDP you may use, hence it is important to understand this to help you configure the cluster OIDC association appropriately in the next step.Today, while working on a personal kubernetes project, I came across Lens - The Kubernetes IDE and was impressed by a couple of its features: For Amazon Cognito-issued ID token, the group key is cognito:groups as shown below.
The payload helps determine the group key to reference in the group claim field of the association in step 3. The Cognito ID token payload typically has the claims below. import * as cdk from * as cognito from class CognitouserpoolStack extends cdk.Stack ' | jq
#AWS IAM AUTHENTICATOR CODE#
lib/cognitouserpool-stack.ts and replace the auto-generated code with the code below.
#AWS IAM AUTHENTICATOR INSTALL#
Install the Amazon Cognito package from the AWS Construct Library using the command below. mkdir -p cognitouserpool & cd cognitouserpool & cdk init -l typescript To initialize the AWS CDK project, create a directory and initialize AWS CDK in TypeScript language as below. To help you set up an OIDC IDP, we use AWS CDK below to create and configure a Cognito User Pool in your AWS account. Step 1: Create a Cognito OIDC IDP using AWS CDK Finally, you’ll need appropriate access to create and manage Amazon EKS cluster and Amazon Cognito User Pool. To follow the instructions used to configure the OIDC integration within Amazon EKS, you’ll need to have AWS CLI, AWS CDK, and jq installed locally.
You will also need a basic understanding of Amazon Cognito and AWS CDK. To follow along with this post, you’ll require a basic understanding of OIDC and OAuth2.0 protocols and in relation to this, an understanding of JSON Web Tokens (JWT). We create Amazon Cognito OIDC IDP and populate it with a test user and group, understand the ID token to retrieve group key, associate OIDC IDP with Amazon EKS cluster, authorize secrets object resource access for users in a group through Kubernetes RBAC, and configure a user to authenticate. You may have your existing OIDC IDP, and this blog may be useful to understand the configuration and association details below. User Pools are easy to set up without any worries about standing up server infrastructure. Cognito User Pools provide a secure user directory that scales to millions of users. In this post, we’ll use Amazon Cognito as our OIDC compatible identity provider. This feature will help you use existing user management workflows in OIDC IDP to use Amazon EKS. Many development teams don’t have administrative access to AWS, and creating an IAM user or role for each developer can be a time consuming task that doesn’t scale well. As EKS adoption has grown to include customers of all sizes and technical capabilities, we learned from your feedback that if your organization has an existing identity management system, you would prefer to use your own OIDC identity provider instead of using AWS IAM for Amazon EKS ( AWS containers roadmap issue #166). When we launched Amazon EKS in 2018, we included native support for AWS IAM users and roles as entities that can authenticate against a cluster, removing the burden from cluster administrators of having to maintain a separate identity provider to manage users. See OpenID Certification for a list of certified providers. You can use an existing public OIDC identity provider, or you can run your own identity provider. It adds a thin layer that sits on top of OAuth 2.0 that adds login and profile information about the identity who is logged in. OpenID Connect is an interoperable authentication protocol based on the OAuth 2.0 family of specifications. With this feature, you can manage user access to your cluster by leveraging existing identity management life cycle through your OIDC identity provider. The OIDC IDP can be used as an alternative to, or along with AWS Identity and Access Management (IAM). This feature allows customers to integrate an OIDC identity provider with a new or existing Amazon EKS cluster running Kubernetes version 1.16 or later. Today, we introduced user authentication for Amazon EKS clusters from an OpenID Connect (OIDC) Identity Provider (IDP).
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