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Cross Account Role Chaining Mock Credentials in Python

Simulate AWS STS AssumeRole with mock credentials for cross-account role chaining in Python.

aws sts mock
Python 
import json

class CredentialChain:
    def __init__(self, account_id, role_name):
        self.account_id = account_id
        self.role_name = role_name
        self.credentials = {}

    def assume_role(self, session_name="mock_session"):
        """Simulate STS AssumeRole, returning mock credentials with expiry.""…
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