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from moto.core import get_account_id
from moto.utilities.utils import filter_resources
from .core import TaggedEC2Resource
from ..utils import random_managed_prefix_list_id, describe_tag_filter
class ManagedPrefixList(TaggedEC2Resource):
def __init__(
self,
backend,
address_family=None,
entry=None,
max_entries=None,
prefix_list_name=None,
region=None,
tags=None,
owner_id=None,
):
self.ec2_backend = backend
self.address_family = address_family
self.max_entries = max_entries
self.id = random_managed_prefix_list_id()
self.prefix_list_name = prefix_list_name
self.state = "create-complete"
self.state_message = "create complete"
self.add_tags(tags or {})
self.version = 1
self.entries = {self.version: entry} if entry else {}
self.resource_owner_id = owner_id if owner_id else None
self.prefix_list_arn = self.arn(region, self.owner_id)
self.delete_counter = 1
def arn(self, region, owner_id):
return "arn:aws:ec2:{region}:{owner_id}:prefix-list/{resource_id}".format(
region=region, resource_id=self.id, owner_id=owner_id
)
@property
def owner_id(self):
return (
get_account_id() if not self.resource_owner_id else self.resource_owner_id
)
class ManagedPrefixListBackend:
def __init__(self):
self.managed_prefix_lists = {}
self.create_default_pls()
def create_managed_prefix_list(
self,
address_family=None,
entry=None,
max_entries=None,
prefix_list_name=None,
tags=None,
owner_id=None,
):
managed_prefix_list = ManagedPrefixList(
self,
address_family=address_family,
entry=entry,
max_entries=max_entries,
prefix_list_name=prefix_list_name,
region=self.region_name,
tags=tags,
owner_id=owner_id,
)
self.managed_prefix_lists[managed_prefix_list.id] = managed_prefix_list
return managed_prefix_list
def describe_managed_prefix_lists(self, prefix_list_ids=None, filters=None):
managed_prefix_lists = list(self.managed_prefix_lists.copy().values())
attr_pairs = (
("owner-id", "owner_id"),
("prefix-list-id", "id"),
("prefix-list-name", "prefix_list_name"),
)
if prefix_list_ids:
managed_prefix_lists = [
managed_prefix_list
for managed_prefix_list in managed_prefix_lists
if managed_prefix_list.id in prefix_list_ids
]
result = managed_prefix_lists
if filters:
result = filter_resources(result, filters, attr_pairs)
result = describe_tag_filter(filters, result)
for item in result.copy():
if not item.delete_counter:
self.managed_prefix_lists.pop(item.id, None)
result.remove(item)
if item.state == "delete-complete":
item.delete_counter -= 1
return result
def get_managed_prefix_list_entries(self, prefix_list_id=None):
managed_prefix_list = self.managed_prefix_lists.get(prefix_list_id)
return managed_prefix_list
def delete_managed_prefix_list(self, prefix_list_id):
managed_prefix_list = self.managed_prefix_lists.get(prefix_list_id)
managed_prefix_list.state = "delete-complete"
return managed_prefix_list
def modify_managed_prefix_list(
self,
add_entry=None,
prefix_list_id=None,
current_version=None,
prefix_list_name=None,
remove_entry=None,
):
managed_pl = self.managed_prefix_lists.get(prefix_list_id)
managed_pl.prefix_list_name = prefix_list_name
if remove_entry or add_entry:
latest_version = managed_pl.entries.get(managed_pl.version)
entries = (
managed_pl.entries.get(current_version, latest_version).copy()
if managed_pl.entries
else []
)
for item in entries.copy():
if item.get("Cidr", "") in remove_entry:
entries.remove(item)
for item in add_entry:
if item not in entries.copy():
entries.append(item)
managed_pl.version += 1
managed_pl.entries[managed_pl.version] = entries
managed_pl.state = "modify-complete"
return managed_pl
def create_default_pls(self):
entry = [
{"Cidr": "52.216.0.0/15", "Description": "default"},
{"Cidr": "3.5.0.0/19", "Description": "default"},
{"Cidr": "54.231.0.0/16", "Description": "default"},
]
managed_prefix_list = self.create_managed_prefix_list(
address_family="IPv4",
entry=entry,
prefix_list_name="com.amazonaws.{}.s3".format(self.region_name),
owner_id="aws",
)
managed_prefix_list.version = None
managed_prefix_list.max_entries = None
self.managed_prefix_lists[managed_prefix_list.id] = managed_prefix_list
entry = [
{"Cidr": "3.218.182.0/24", "Description": "default"},
{"Cidr": "3.218.180.0/23", "Description": "default"},
{"Cidr": "52.94.0.0/22", "Description": "default"},
{"Cidr": "52.119.224.0/20", "Description": "default"},
]
managed_prefix_list = self.create_managed_prefix_list(
address_family="IPv4",
entry=entry,
prefix_list_name="com.amazonaws.{}.dynamodb".format(self.region_name),
owner_id="aws",
)
managed_prefix_list.version = None
managed_prefix_list.max_entries = None
self.managed_prefix_lists[managed_prefix_list.id] = managed_prefix_list
|
