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b07b14b494
Allow configuring the set of workers to proxy outbound federation traffic through (`outbound_federation_restricted_to`). This is useful when you have a worker setup with `federation_sender` instances responsible for sending outbound federation requests and want to make sure *all* outbound federation traffic goes through those instances. Before this change, the generic workers would still contact federation themselves for things like profile lookups, backfill, etc. This PR allows you to set more strict access controls/firewall for all workers and only allow the `federation_sender`'s to contact the outside world. The original code is from @erikjohnston's branches which I've gotten in-shape to merge.
123 lines
4.5 KiB
Python
123 lines
4.5 KiB
Python
# Copyright 2021 The Matrix.org Foundation C.I.C.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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from typing import List
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from unittest import mock
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from twisted.test.proto_helpers import MemoryReactor
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from synapse.app.generic_worker import GenericWorkerServer
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from synapse.server import HomeServer
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from synapse.storage.database import LoggingDatabaseConnection
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from synapse.storage.prepare_database import PrepareDatabaseException, prepare_database
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from synapse.storage.schema import SCHEMA_VERSION
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from synapse.types import JsonDict
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from synapse.util import Clock
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from tests.unittest import HomeserverTestCase
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def fake_listdir(filepath: str) -> List[str]:
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"""
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A fake implementation of os.listdir which we can use to mock out the filesystem.
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Args:
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filepath: The directory to list files for.
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Returns:
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A list of files and folders in the directory.
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"""
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if filepath.endswith("full_schemas"):
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return [str(SCHEMA_VERSION)]
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return ["99_add_unicorn_to_database.sql"]
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class WorkerSchemaTests(HomeserverTestCase):
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def make_homeserver(self, reactor: MemoryReactor, clock: Clock) -> HomeServer:
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hs = self.setup_test_homeserver(homeserver_to_use=GenericWorkerServer)
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return hs
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def default_config(self) -> JsonDict:
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conf = super().default_config()
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# Mark this as a worker app.
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conf["worker_app"] = "yes"
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conf["instance_map"] = {"main": {"host": "127.0.0.1", "port": 0}}
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return conf
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def test_rolling_back(self) -> None:
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"""Test that workers can start if the DB is a newer schema version"""
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db_pool = self.hs.get_datastores().main.db_pool
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db_conn = LoggingDatabaseConnection(
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db_pool._db_pool.connect(),
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db_pool.engine,
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"tests",
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)
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cur = db_conn.cursor()
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cur.execute("UPDATE schema_version SET version = ?", (SCHEMA_VERSION + 1,))
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db_conn.commit()
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prepare_database(db_conn, db_pool.engine, self.hs.config)
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def test_not_upgraded_old_schema_version(self) -> None:
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"""Test that workers don't start if the DB has an older schema version"""
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db_pool = self.hs.get_datastores().main.db_pool
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db_conn = LoggingDatabaseConnection(
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db_pool._db_pool.connect(),
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db_pool.engine,
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"tests",
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)
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cur = db_conn.cursor()
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cur.execute("UPDATE schema_version SET version = ?", (SCHEMA_VERSION - 1,))
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db_conn.commit()
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with self.assertRaises(PrepareDatabaseException):
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prepare_database(db_conn, db_pool.engine, self.hs.config)
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def test_not_upgraded_current_schema_version_with_outstanding_deltas(self) -> None:
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"""
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Test that workers don't start if the DB is on the current schema version,
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but there are still outstanding delta migrations to run.
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"""
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db_pool = self.hs.get_datastores().main.db_pool
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db_conn = LoggingDatabaseConnection(
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db_pool._db_pool.connect(),
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db_pool.engine,
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"tests",
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)
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# Set the schema version of the database to the current version
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cur = db_conn.cursor()
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cur.execute("UPDATE schema_version SET version = ?", (SCHEMA_VERSION,))
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db_conn.commit()
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# Path `os.listdir` here to make synapse think that there is a migration
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# file ready to be run.
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# Note that we can't patch this function for the whole method, else Synapse
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# will try to find the file when building the database initially.
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with mock.patch("os.listdir", mock.Mock(side_effect=fake_listdir)):
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with self.assertRaises(PrepareDatabaseException):
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# Synapse should think that there is an outstanding migration file due to
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# patching 'os.listdir' in the function decorator.
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#
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# We expect Synapse to raise an exception to indicate the master process
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# needs to apply this migration file.
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prepare_database(db_conn, db_pool.engine, self.hs.config)
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