def get_peering_map(config: Sequence[dict]) -> dict:
"""
Takes the config and yields a dictionary of accounts, regions,
vpcs and the vpcs they should be peered with like so:
Returns:
{
"415432961280": {
"ap-southeast-2": {
"vpc-e08fb484": [
"vpc-be8fb4da",
"vpc-7a83b81e",
"vpc-00a4011afa3b4e55f"
],
"vpc-be8fb4da": [
"vpc-e08fb484",
"vpc-7a83b81e",
"vpc-00a4011afa3b4e55f"
],
"vpc-7a83b81e": [
"vpc-e08fb484",
"vpc-be8fb4da",
"vpc-00a4011afa3b4e55f"
]
},
"ap-southeast-1": {
"vpc-00a4011afa3b4e55f": [
"vpc-e08fb484",
"vpc-be8fb4da",
"vpc-7a83b81e"
]
}
}
}
:param config: A list containing dictionaries representing the configuration for the environment
:type config: list
:param metadata: A dictionary with the environment, owner, etc
:type metadata: list
:returns: A dictionary of accounts, regions, vpcs and configured peer vpcs
:rtype: dict
"""
peering_map = nested_dict()
for requester in config:
peering_map[requester['account_id']][requester['region']][
requester['vpc_id']] = []
for accepter in config:
if accepter['vpc_id'] != requester['vpc_id']:
peering_map[requester['account_id']][requester['region']][
requester['vpc_id']].append(accepter['vpc_id'])
return peering_map
import sys
from time import sleep
# Third Party
import boto3
import botocore
from botocore.config import Config
# Local
from peerd import LOGGER, nested_dict
from peerd.decorators import memoize
# Global data structures
# Global variablees
CLIENT_CACHE = nested_dict()
COMMON_PRINCIPAL_NAME: str = None
ROLE_SESSION_NAME: str = None
STS_CLIENT_CACHE = None
def aws_sts_client():
"""
Uses default boto credentials locations, such as the instance metadata
to return a sts client connection and caches it as a global variable for reuse.
:returns: AWS STS client connection
"""
global STS_CLIENT_CACHE
if not STS_CLIENT_CACHE: