Add Policy to AWS Groups with Python & Boto3

In this Python & Boto3 lesson we want to learn that how Add Policy to AWS Groups with Python & Boto3. so first of all let’s talk about IAM Policies.

 

 

What is IAM Group Policies

IAM group policies are JSON documents that define permissions for IAM groups. By attaching policies to IAM groups, you can grant permissions to all users inside the group at once. Group policies are particularly useful for organizations with multiple users that requires similar access to AWS resources, as they enable centralized management of permissions.

 

 

Also make sure that you have already read these three articles, because they are related to this article.

• How to install Boto3 and AWS CLI for Python
• How to Configure AWS CLI to Use Boto3
• How to Create AWS IAM User with Python & Boto3

 

 

Prerequisites:

Before adding policies to IAM groups with Python and Boto3, ensure you have the following prerequisites:

1. Python installed on your system.
2. Boto3 library installed (pip install boto3).
3. AWS credentials configured on your system (either through AWS CLI or environment variables).
4. Existing IAM group(s) to which you want to add policies, we already have a group.

 

 

These two articles are related to this

• How to Create AWS Custom Policy with Python & Boto3
• Create AWS IAM User Groups with Python & Boto3

 

 

Adding Policies to IAM Groups with Python & Boto3

Let’s talk about the steps involved in adding IAM policies to IAM groups programmatically using Python and Boto3:

 

Step 1: Import Boto3

Start by importing the Boto3 library in your Python code:

 

 

Step 2: Initialize Boto3 IAM Client

After that initialize the Boto3 IAM client to interact with AWS IAM:

 

 

Step 3: Define IAM Group Name and Policy ARN

Specify the name of the IAM group to which you want to add a policy and the ARN of the policy to attach:

 

 

Step 4: Attach Policy to IAM Group
Use the attach_group_policy method to attach the IAM policy to the IAM group:

 

 

 

This is the complete code

Replace the group name and ARN with yours.

 

 

Run code and you will see that the AWS Policy is attached to the AWS Group.

 

 

FAQs:

 

What is an IAM group policy?

An IAM group policy is a JSON document that defines permissions for an IAM group. When you attached to an IAM group, it grants those permissions to all users inside the group.

 

 

How do I add a policy to a group in AWS?

To add a policy to a group in AWS, you can use attach_group_policy method in Boto3, it is official AWS SDK for Python. This method allows you to attach an existing IAM policy to an IAM group. Also you need to to specify the group name and the ARN (Amazon Resource Name) of the policy.

 

 

How do I create an IAM policy with Boto3?

For creating an IAM policy programmatically using Boto3, you can use create_policy method. This method allows you to specify the policy name, description and policy document (JSON format). 

 

 

What is Boto3 Python?

Boto3 is the official AWS SDK for Python. It allows you to interact with different AWS services programmatically using Python code. With Boto3, you can perform tasks such as creating and managing AWS resources, accessing data stored in AWS, and automating workflows.