Cloudformation Script for cross account role
A Seamless Guide to Cross-Account Role Access with AWS CloudFormation
Introduction:
In the world of AWS, managing multiple accounts efficiently is crucial for streamlined operations. Cross-account role access simplifies this by allowing seamless transitions between accounts. Here’s a step-by-step guide to setting up cross-account access using AWS CloudFormation.
Requirements:
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CloudFormation Script: The heart of our setup, this script automates the creation of necessary resources.
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Source Account Number: The AWS account from which you’ll initiate the cross-account access.
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Role Name: The name of the IAM role to be created in the destination account.
Steps:
Step 1: Create Custom Policy in Source Account
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Create a custom policy in the source account with STS full permissions.
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Attach this policy to the IAM user(s) who will initiate the switch role process.
Step 2: Run CloudFormation Script
- In the destination account, execute the CloudFormation script provided.
Step 3: Use Switch Role
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Once the CloudFormation script successfully runs, switch to the destination account.
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Open the AWS console, click on your username at the upper right-hand side, then select “Switch Role”.
- Enter the required details and click “Switch Role”.
Step 4: Navigate to Destination Account
- You are now in the destination account, ready to utilize its resources.
Step 5: Switch Back to Source Account
- To return to the source account, simply click on “Switch back”.
Access Resources:
- For the CloudFormation template and the STS full permission policy, visit the GitHub repository below:
- With this setup, you can seamlessly navigate between accounts, leveraging resources where needed without compromise.
Conclusion:
AWS CloudFormation simplifies the setup of cross-account role access, offering a secure and efficient way to manage multiple AWS accounts. With this guide, you’re equipped to streamline your AWS operations, maximizing efficiency and security.