Sample AWS config file for multi-account model

config

# Master profile

[profile master]
aws_access_key_id = (access key id)
aws_secret_access_key = (secret access key)
region = eu-west-1

# Slave profiles

[profile development]
source_profile = master
region = eu-west-1
role_arn = arn:aws:iam::(sub-account number):role/(role name)
mfa_serial = arn:aws:iam::(master account number):mfa/myusername

# (continue with your other roles in other accounts)