Created
February 21, 2019 10:11
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Iteratively retrieve all IAM users with the groups, roles and date created then save to csv file
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| import boto3, csv, sys | |
| iam = boto3.client('iam', aws_access_key_id="XXXXXX",aws_secret_access_key="XXXXX") | |
| user_list = [] | |
| max_items = 100 | |
| users = iam.list_users(MaxItems=max_items) | |
| while users: | |
| for user in users['Users']: | |
| # Get user permissions | |
| policies = iam.list_attached_user_policies(UserName=user['UserName'])['AttachedPolicies'] | |
| policy_list = list(item['PolicyName'] for item in policies) | |
| # Get user groups | |
| groups = iam.list_groups_for_user(UserName=user['UserName']) | |
| groups_list = list(item['GroupName'] for item in groups['Groups']) | |
| # Construct user dict | |
| user_details ={ | |
| 'user': user['UserName'], | |
| 'groups': ", ".join(groups_list) if groups_list else "N/A", | |
| 'policies': ", ".join(policy_list) if policy_list else "None", | |
| 'last_login': user.get('PasswordLastUsed'), | |
| 'created': user['CreateDate'], | |
| } | |
| user_list.append(user_details) | |
| # Print progress marker because it may take awhile to complete | |
| sys.stdout.write("\r"+str(len(user_list))) | |
| sys.stdout.flush() | |
| marker = users.get('Marker') | |
| users = iam.list_users(MaxItems=max_items, Marker=marker) if marker else False | |
| keys = user_list[0].keys() | |
| with open('aws_users.csv', 'wb') as output_file: | |
| dict_writer = csv.DictWriter(output_file, keys) | |
| dict_writer.writeheader() | |
| dict_writer.writerows(user_list) | |
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