KenF
107 lines
3.6 KiB
YAML
107 lines
3.6 KiB
YAML
schemaVersion: '0.3'
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parameters:
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ExecutionRole:
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type: String
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assumeRole: '{{ ExecutionRole }}'
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mainSteps:
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- name: GetParameter
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action: aws:executeAwsApi
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nextStep: ConvertInputToList
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isEnd: false
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inputs:
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Service: ssm
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Api: GetParameter
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Name: SsmParamaterWhichContainsCommaSeparatedAccountIds
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outputs:
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- Name: Accounts
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Selector: $.Parameter.Value
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Type: String
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# Convert csv to a list, which is requred by aws:loop
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- name: ConvertInputToList
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action: aws:executeScript
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nextStep: Loop
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isEnd: false
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inputs:
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Runtime: python3.11
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Handler: script_handler
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InputPayload:
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accounts: '{{ GetParameter.Accounts }}'
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Script: |
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def script_handler(events, context):
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return events['accounts'].split(',')
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outputs:
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- Name: AccountList
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Selector: $.Payload
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Type: StringList
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- name: Loop
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action: aws:loop
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isEnd: true
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inputs:
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Iterators: '{{ ConvertInputToList.AccountList }}'
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IteratorDataType: StringList
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Steps:
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- name: ListTrails
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action: aws:executeScript
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isEnd: true
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inputs:
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Runtime: python3.11
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Handler: script_handler
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InputPayload:
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accountId: '{{Loop.CurrentIteratorValue}}'
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Script: |
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import boto3
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import botocore.exceptions
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from botocore.exceptions import ClientError
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def assume_role(role_arn, role_session_name="CloudTrailSession"):
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"""
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Assume an IAM role and return boto3 session with temporary credentials
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"""
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sts_client = boto3.client('sts')
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try:
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response = sts_client.assume_role(
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RoleArn=role_arn,
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RoleSessionName=role_session_name
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)
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credentials = response['Credentials']
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return boto3.Session(
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aws_access_key_id=credentials['AccessKeyId'],
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aws_secret_access_key=credentials['SecretAccessKey'],
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aws_session_token=credentials['SessionToken']
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)
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except ClientError as e:
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print(f"Error assuming role: {e}")
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return None
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def describe_cloudtrails(session):
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"""
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Describe all CloudTrail trails using the assumed role session
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"""
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try:
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cloudtrail = session.client('cloudtrail')
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response = cloudtrail.describe_trails()
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trails = response['trailList']
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if not trails:
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print("No CloudTrail trails found.")
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return
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for trail in trails:
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print(f"ARN: {trail['TrailARN']}")
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except ClientError as e:
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print(f"Error describing CloudTrails: {e}")
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def script_handler(events, context):
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ROLE_ARN = f"arn:aws:iam::{events.get('accountId')[0]}:role/OrganizationReadOnlyRole"
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session = assume_role(ROLE_ARN)
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if session:
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describe_cloudtrails(session)
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return {"accountId": events.get('accountId')}
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