moto/moto/iam/config.py

332 lines
13 KiB
Python

import json
import boto3
from moto.core.exceptions import InvalidNextTokenException
from moto.core.common_models import ConfigQueryModel
from moto.iam import iam_backends
class RoleConfigQuery(ConfigQueryModel):
def list_config_service_resources(
self,
account_id,
resource_ids,
resource_name,
limit,
next_token,
backend_region=None,
resource_region=None,
aggregator=None,
):
# IAM roles are "global" and aren't assigned into any availability zone
# The resource ID is a AWS-assigned random string like "AROA0BSVNSZKXVHS00SBJ"
# The resource name is a user-assigned string like "MyDevelopmentAdminRole"
# Stored in moto backend with the AWS-assigned random string like "AROA0BSVNSZKXVHS00SBJ"
# Grab roles from backend; need the full values since names and id's are different
role_list = list(self.backends[account_id]["global"].roles.values())
if not role_list:
return [], None
# Filter by resource name or ids
if resource_name or resource_ids:
filtered_roles = []
# resource_name takes precedence over resource_ids
if resource_name:
for role in role_list:
if role.name == resource_name:
filtered_roles = [role]
break
# but if both are passed, it must be a subset
if filtered_roles and resource_ids:
if filtered_roles[0].id not in resource_ids:
return [], None
else:
for role in role_list:
if role.id in resource_ids:
filtered_roles.append(role)
# Filtered roles are now the subject for the listing
role_list = filtered_roles
if aggregator:
# IAM is a little special; Roles are created in us-east-1 (which AWS calls the "global" region)
# However, the resource will return in the aggregator (in duplicate) for each region in the aggregator
# Therefore, we'll need to find out the regions where the aggregators are running, and then duplicate the resource there
# In practice, it looks like AWS will only duplicate these resources if you've "used" any roles in the region, but since
# we can't really tell if this has happened in moto, we'll just bind this to the regions in your aggregator
aggregated_regions = []
aggregator_sources = aggregator.get(
"account_aggregation_sources"
) or aggregator.get("organization_aggregation_source")
for source in aggregator_sources:
source_dict = source.__dict__
if source_dict.get("all_aws_regions", False):
aggregated_regions = boto3.Session().get_available_regions("config")
break
for region in source_dict.get("aws_regions", []):
aggregated_regions.append(region)
duplicate_role_list = []
for region in list(set(aggregated_regions)):
for role in role_list:
duplicate_role_list.append(
{
"_id": f"{role.id}{region}", # this is only for sorting, isn't returned outside of this function
"type": "AWS::IAM::Role",
"id": role.id,
"name": role.name,
"region": region,
}
)
# Pagination logic, sort by role id
sorted_roles = sorted(duplicate_role_list, key=lambda role: role["_id"])
else:
# Non-aggregated queries are in the else block, and we can treat these like a normal config resource
# Pagination logic, sort by role id
sorted_roles = sorted(role_list, key=lambda role: role.id)
new_token = None
# Get the start:
if not next_token:
start = 0
else:
try:
# Find the index of the next
start = next(
index
for (index, r) in enumerate(sorted_roles)
if next_token == (r["_id"] if aggregator else r.id)
)
except StopIteration:
raise InvalidNextTokenException()
# Get the list of items to collect:
role_list = sorted_roles[start : (start + limit)]
if len(sorted_roles) > (start + limit):
record = sorted_roles[start + limit]
new_token = record["_id"] if aggregator else record.id
return (
[
{
"type": "AWS::IAM::Role",
"id": role["id"] if aggregator else role.id,
"name": role["name"] if aggregator else role.name,
"region": role["region"] if aggregator else "global",
}
for role in role_list
],
new_token,
)
def get_config_resource(
self,
account_id,
resource_id,
resource_name=None,
backend_region=None,
resource_region=None,
):
role = self.backends[account_id]["global"].roles.get(resource_id, {})
if not role:
return
if resource_name and role.name != resource_name:
return
# Format the role to the AWS Config format:
config_data = role.to_config_dict()
# The 'configuration' field is also a JSON string:
config_data["configuration"] = json.dumps(config_data["configuration"])
# Supplementary config need all values converted to JSON strings if they are not strings already:
for field, value in config_data["supplementaryConfiguration"].items():
if not isinstance(value, str):
config_data["supplementaryConfiguration"][field] = json.dumps(value)
return config_data
class PolicyConfigQuery(ConfigQueryModel):
def list_config_service_resources(
self,
account_id,
resource_ids,
resource_name,
limit,
next_token,
backend_region=None,
resource_region=None,
aggregator=None,
):
# IAM policies are "global" and aren't assigned into any availability zone
# The resource ID is a AWS-assigned random string like "ANPA0BSVNSZK00SJSPVUJ"
# The resource name is a user-assigned string like "my-development-policy"
# Stored in moto backend with the arn like "arn:aws:iam::123456789012:policy/my-development-policy"
policy_list = list(
self.backends[account_id]["global"].managed_policies.values()
)
# We don't want to include AWS Managed Policies. This technically needs to
# respect the configuration recorder's 'includeGlobalResourceTypes' setting,
# but it's default set be default, and moto's config doesn't yet support
# custom configuration recorders, we'll just behave as default.
policy_list = list(
filter(
lambda policy: not policy.arn.startswith("arn:aws:iam::aws"),
policy_list,
)
)
if not policy_list:
return [], None
# Filter by resource name or ids
if resource_name or resource_ids:
filtered_policies = []
# resource_name takes precedence over resource_ids
if resource_name:
for policy in policy_list:
if policy.name == resource_name:
filtered_policies = [policy]
break
# but if both are passed, it must be a subset
if filtered_policies and resource_ids:
if filtered_policies[0].id not in resource_ids:
return [], None
else:
for policy in policy_list:
if policy.id in resource_ids:
filtered_policies.append(policy)
# Filtered roles are now the subject for the listing
policy_list = filtered_policies
if aggregator:
# IAM is a little special; Policies are created in us-east-1 (which AWS calls the "global" region)
# However, the resource will return in the aggregator (in duplicate) for each region in the aggregator
# Therefore, we'll need to find out the regions where the aggregators are running, and then duplicate the resource there
# In practice, it looks like AWS will only duplicate these resources if you've "used" any policies in the region, but since
# we can't really tell if this has happened in moto, we'll just bind this to the regions in your aggregator
aggregated_regions = []
aggregator_sources = aggregator.get(
"account_aggregation_sources"
) or aggregator.get("organization_aggregation_source")
for source in aggregator_sources:
source_dict = source.__dict__
if source_dict.get("all_aws_regions", False):
aggregated_regions = boto3.Session().get_available_regions("config")
break
for region in source_dict.get("aws_regions", []):
aggregated_regions.append(region)
duplicate_policy_list = []
for region in list(set(aggregated_regions)):
for policy in policy_list:
duplicate_policy_list.append(
{
"_id": f"{policy.id}{region}", # this is only for sorting, isn't returned outside of this function
"type": "AWS::IAM::Policy",
"id": policy.id,
"name": policy.name,
"region": region,
}
)
# Pagination logic, sort by role id
sorted_policies = sorted(
duplicate_policy_list, key=lambda policy: policy["_id"]
)
else:
# Non-aggregated queries are in the else block, and we can treat these like a normal config resource
# Pagination logic, sort by role id
sorted_policies = sorted(policy_list, key=lambda role: role.id)
new_token = None
# Get the start:
if not next_token:
start = 0
else:
try:
# Find the index of the next
start = next(
index
for (index, p) in enumerate(sorted_policies)
if next_token == (p["_id"] if aggregator else p.id)
)
except StopIteration:
raise InvalidNextTokenException()
# Get the list of items to collect:
policy_list = sorted_policies[start : (start + limit)]
if len(sorted_policies) > (start + limit):
record = sorted_policies[start + limit]
new_token = record["_id"] if aggregator else record.id
return (
[
{
"type": "AWS::IAM::Policy",
"id": policy["id"] if aggregator else policy.id,
"name": policy["name"] if aggregator else policy.name,
"region": policy["region"] if aggregator else "global",
}
for policy in policy_list
],
new_token,
)
def get_config_resource(
self,
account_id,
resource_id,
resource_name=None,
backend_region=None,
resource_region=None,
):
# policies are listed in the backend as arns, but we have to accept the PolicyID as the resource_id
# we'll make a really crude search for it
policy = None
for arn in self.backends[account_id]["global"].managed_policies.keys():
policy_candidate = self.backends[account_id]["global"].managed_policies[arn]
if policy_candidate.id == resource_id:
policy = policy_candidate
break
if not policy:
return
if resource_name and policy.name != resource_name:
return
# Format the policy to the AWS Config format:
config_data = policy.to_config_dict()
# The 'configuration' field is also a JSON string:
config_data["configuration"] = json.dumps(config_data["configuration"])
# Supplementary config need all values converted to JSON strings if they are not strings already:
for field, value in config_data["supplementaryConfiguration"].items():
if not isinstance(value, str):
config_data["supplementaryConfiguration"][field] = json.dumps(value)
return config_data
role_config_query = RoleConfigQuery(iam_backends)
policy_config_query = PolicyConfigQuery(iam_backends)