moto/moto/s3/config.py
2019-10-31 10:36:05 -07:00

122 lines
4.1 KiB
Python

import json
from moto.core.exceptions import InvalidNextTokenException
from moto.core.models import ConfigQueryModel
from moto.s3 import s3_backends
class S3ConfigQuery(ConfigQueryModel):
def list_config_service_resources(
self,
resource_ids,
resource_name,
limit,
next_token,
backend_region=None,
resource_region=None,
):
# The resource_region only matters for aggregated queries as you can filter on bucket regions for them.
# For other resource types, you would need to iterate appropriately for the backend_region.
# Resource IDs are the same as S3 bucket names
# For aggregation -- did we get both a resource ID and a resource name?
if resource_ids and resource_name:
# If the values are different, then return an empty list:
if resource_name not in resource_ids:
return [], None
# If no filter was passed in for resource names/ids then return them all:
if not resource_ids and not resource_name:
bucket_list = list(self.backends["global"].buckets.keys())
else:
# Match the resource name / ID:
bucket_list = []
filter_buckets = [resource_name] if resource_name else resource_ids
for bucket in self.backends["global"].buckets.keys():
if bucket in filter_buckets:
bucket_list.append(bucket)
# Filter on the proper region if supplied:
region_filter = backend_region or resource_region
if region_filter:
region_buckets = []
for bucket in bucket_list:
if self.backends["global"].buckets[bucket].region_name == region_filter:
region_buckets.append(bucket)
bucket_list = region_buckets
if not bucket_list:
return [], None
# Pagination logic:
sorted_buckets = sorted(bucket_list)
new_token = None
# Get the start:
if not next_token:
start = 0
else:
# Tokens for this moto feature is just the bucket name:
# For OTHER non-global resource types, it's the region concatenated with the resource ID.
if next_token not in sorted_buckets:
raise InvalidNextTokenException()
start = sorted_buckets.index(next_token)
# Get the list of items to collect:
bucket_list = sorted_buckets[start : (start + limit)]
if len(sorted_buckets) > (start + limit):
new_token = sorted_buckets[start + limit]
return (
[
{
"type": "AWS::S3::Bucket",
"id": bucket,
"name": bucket,
"region": self.backends["global"].buckets[bucket].region_name,
}
for bucket in bucket_list
],
new_token,
)
def get_config_resource(
self, resource_id, resource_name=None, backend_region=None, resource_region=None
):
# Get the bucket:
bucket = self.backends["global"].buckets.get(resource_id, {})
if not bucket:
return
# Are we filtering based on region?
region_filter = backend_region or resource_region
if region_filter and bucket.region_name != region_filter:
return
# Are we also filtering on bucket name?
if resource_name and bucket.name != resource_name:
return
# Format the bucket to the AWS Config format:
config_data = bucket.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
s3_config_query = S3ConfigQuery(s3_backends)