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![Andrew Morgan](/assets/img/avatar_default.png)
I noticed in https://github.com/matrix-org/synapse/issues/8575 that the `end_error` variable in `synapse_port_db` is set to an `Exception`, even though later we expect it to be a `str`.
This PR simply casts an exception raised to a string. I'm doing this instead of having `end_error` be of type exception as we explicitly set `end_error` to a str here:
d25eb8f370/scripts/synapse_port_db (L542-L547)
This whole file could probably use some heavy refactoring, but until then at least this fix will prevent exception contents from being hidden from us and users.
1109 lines
36 KiB
Python
Executable File
1109 lines
36 KiB
Python
Executable File
#!/usr/bin/env python
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# -*- coding: utf-8 -*-
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# Copyright 2015, 2016 OpenMarket Ltd
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# Copyright 2018 New Vector Ltd
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# Copyright 2019 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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import argparse
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import curses
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import logging
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import sys
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import time
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import traceback
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from typing import Optional
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import yaml
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from twisted.internet import defer, reactor
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import synapse
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from synapse.config.database import DatabaseConnectionConfig
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from synapse.config.homeserver import HomeServerConfig
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from synapse.logging.context import (
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LoggingContext,
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make_deferred_yieldable,
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run_in_background,
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)
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from synapse.storage.database import DatabasePool, make_conn
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from synapse.storage.databases.main.client_ips import ClientIpBackgroundUpdateStore
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from synapse.storage.databases.main.deviceinbox import DeviceInboxBackgroundUpdateStore
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from synapse.storage.databases.main.devices import DeviceBackgroundUpdateStore
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from synapse.storage.databases.main.events_bg_updates import (
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EventsBackgroundUpdatesStore,
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)
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from synapse.storage.databases.main.media_repository import (
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MediaRepositoryBackgroundUpdateStore,
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)
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from synapse.storage.databases.main.registration import (
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RegistrationBackgroundUpdateStore,
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find_max_generated_user_id_localpart,
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)
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from synapse.storage.databases.main.room import RoomBackgroundUpdateStore
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from synapse.storage.databases.main.roommember import RoomMemberBackgroundUpdateStore
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from synapse.storage.databases.main.search import SearchBackgroundUpdateStore
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from synapse.storage.databases.main.state import MainStateBackgroundUpdateStore
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from synapse.storage.databases.main.stats import StatsStore
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from synapse.storage.databases.main.user_directory import (
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UserDirectoryBackgroundUpdateStore,
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)
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from synapse.storage.databases.state.bg_updates import StateBackgroundUpdateStore
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from synapse.storage.engines import create_engine
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from synapse.storage.prepare_database import prepare_database
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from synapse.util import Clock
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from synapse.util.versionstring import get_version_string
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logger = logging.getLogger("synapse_port_db")
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BOOLEAN_COLUMNS = {
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"events": ["processed", "outlier", "contains_url"],
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"rooms": ["is_public"],
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"event_edges": ["is_state"],
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"presence_list": ["accepted"],
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"presence_stream": ["currently_active"],
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"public_room_list_stream": ["visibility"],
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"devices": ["hidden"],
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"device_lists_outbound_pokes": ["sent"],
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"users_who_share_rooms": ["share_private"],
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"groups": ["is_public"],
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"group_rooms": ["is_public"],
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"group_users": ["is_public", "is_admin"],
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"group_summary_rooms": ["is_public"],
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"group_room_categories": ["is_public"],
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"group_summary_users": ["is_public"],
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"group_roles": ["is_public"],
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"local_group_membership": ["is_publicised", "is_admin"],
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"e2e_room_keys": ["is_verified"],
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"account_validity": ["email_sent"],
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"redactions": ["have_censored"],
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"room_stats_state": ["is_federatable"],
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"local_media_repository": ["safe_from_quarantine"],
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"users": ["shadow_banned"],
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"e2e_fallback_keys_json": ["used"],
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}
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APPEND_ONLY_TABLES = [
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"event_reference_hashes",
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"events",
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"event_json",
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"state_events",
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"room_memberships",
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"topics",
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"room_names",
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"rooms",
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"local_media_repository",
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"local_media_repository_thumbnails",
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"remote_media_cache",
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"remote_media_cache_thumbnails",
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"redactions",
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"event_edges",
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"event_auth",
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"received_transactions",
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"sent_transactions",
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"transaction_id_to_pdu",
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"users",
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"state_groups",
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"state_groups_state",
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"event_to_state_groups",
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"rejections",
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"event_search",
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"presence_stream",
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"push_rules_stream",
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"ex_outlier_stream",
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"cache_invalidation_stream_by_instance",
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"public_room_list_stream",
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"state_group_edges",
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"stream_ordering_to_exterm",
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]
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IGNORED_TABLES = {
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# We don't port these tables, as they're a faff and we can regenerate
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# them anyway.
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"user_directory",
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"user_directory_search",
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"user_directory_search_content",
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"user_directory_search_docsize",
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"user_directory_search_segdir",
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"user_directory_search_segments",
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"user_directory_search_stat",
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"user_directory_search_pos",
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"users_who_share_private_rooms",
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"users_in_public_room",
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# UI auth sessions have foreign keys so additional care needs to be taken,
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# the sessions are transient anyway, so ignore them.
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"ui_auth_sessions",
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"ui_auth_sessions_credentials",
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"ui_auth_sessions_ips",
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}
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# Error returned by the run function. Used at the top-level part of the script to
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# handle errors and return codes.
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end_error = None # type: Optional[str]
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# The exec_info for the error, if any. If error is defined but not exec_info the script
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# will show only the error message without the stacktrace, if exec_info is defined but
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# not the error then the script will show nothing outside of what's printed in the run
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# function. If both are defined, the script will print both the error and the stacktrace.
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end_error_exec_info = None
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class Store(
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ClientIpBackgroundUpdateStore,
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DeviceInboxBackgroundUpdateStore,
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DeviceBackgroundUpdateStore,
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EventsBackgroundUpdatesStore,
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MediaRepositoryBackgroundUpdateStore,
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RegistrationBackgroundUpdateStore,
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RoomBackgroundUpdateStore,
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RoomMemberBackgroundUpdateStore,
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SearchBackgroundUpdateStore,
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StateBackgroundUpdateStore,
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MainStateBackgroundUpdateStore,
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UserDirectoryBackgroundUpdateStore,
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StatsStore,
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):
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def execute(self, f, *args, **kwargs):
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return self.db_pool.runInteraction(f.__name__, f, *args, **kwargs)
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def execute_sql(self, sql, *args):
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def r(txn):
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txn.execute(sql, args)
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return txn.fetchall()
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return self.db_pool.runInteraction("execute_sql", r)
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def insert_many_txn(self, txn, table, headers, rows):
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sql = "INSERT INTO %s (%s) VALUES (%s)" % (
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table,
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", ".join(k for k in headers),
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", ".join("%s" for _ in headers),
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)
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try:
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txn.executemany(sql, rows)
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except Exception:
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logger.exception("Failed to insert: %s", table)
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raise
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def set_room_is_public(self, room_id, is_public):
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raise Exception(
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"Attempt to set room_is_public during port_db: database not empty?"
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)
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class MockHomeserver:
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def __init__(self, config):
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self.clock = Clock(reactor)
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self.config = config
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self.hostname = config.server_name
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self.version_string = "Synapse/" + get_version_string(synapse)
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def get_clock(self):
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return self.clock
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def get_reactor(self):
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return reactor
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def get_instance_name(self):
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return "master"
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class Porter(object):
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def __init__(self, **kwargs):
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self.__dict__.update(kwargs)
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async def setup_table(self, table):
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if table in APPEND_ONLY_TABLES:
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# It's safe to just carry on inserting.
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row = await self.postgres_store.db_pool.simple_select_one(
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table="port_from_sqlite3",
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keyvalues={"table_name": table},
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retcols=("forward_rowid", "backward_rowid"),
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allow_none=True,
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)
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total_to_port = None
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if row is None:
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if table == "sent_transactions":
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(
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forward_chunk,
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already_ported,
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total_to_port,
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) = await self._setup_sent_transactions()
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backward_chunk = 0
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else:
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await self.postgres_store.db_pool.simple_insert(
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table="port_from_sqlite3",
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values={
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"table_name": table,
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"forward_rowid": 1,
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"backward_rowid": 0,
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},
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)
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forward_chunk = 1
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backward_chunk = 0
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already_ported = 0
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else:
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forward_chunk = row["forward_rowid"]
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backward_chunk = row["backward_rowid"]
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if total_to_port is None:
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already_ported, total_to_port = await self._get_total_count_to_port(
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table, forward_chunk, backward_chunk
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)
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else:
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def delete_all(txn):
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txn.execute(
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"DELETE FROM port_from_sqlite3 WHERE table_name = %s", (table,)
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)
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txn.execute("TRUNCATE %s CASCADE" % (table,))
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await self.postgres_store.execute(delete_all)
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await self.postgres_store.db_pool.simple_insert(
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table="port_from_sqlite3",
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values={"table_name": table, "forward_rowid": 1, "backward_rowid": 0},
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)
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forward_chunk = 1
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backward_chunk = 0
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already_ported, total_to_port = await self._get_total_count_to_port(
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table, forward_chunk, backward_chunk
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)
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return table, already_ported, total_to_port, forward_chunk, backward_chunk
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async def handle_table(
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self, table, postgres_size, table_size, forward_chunk, backward_chunk
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):
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logger.info(
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"Table %s: %i/%i (rows %i-%i) already ported",
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table,
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postgres_size,
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table_size,
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backward_chunk + 1,
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forward_chunk - 1,
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)
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if not table_size:
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return
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self.progress.add_table(table, postgres_size, table_size)
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if table == "event_search":
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await self.handle_search_table(
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postgres_size, table_size, forward_chunk, backward_chunk
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)
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return
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if table in IGNORED_TABLES:
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self.progress.update(table, table_size) # Mark table as done
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return
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if table == "user_directory_stream_pos":
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# We need to make sure there is a single row, `(X, null), as that is
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# what synapse expects to be there.
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await self.postgres_store.db_pool.simple_insert(
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table=table, values={"stream_id": None}
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)
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self.progress.update(table, table_size) # Mark table as done
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return
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forward_select = (
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"SELECT rowid, * FROM %s WHERE rowid >= ? ORDER BY rowid LIMIT ?" % (table,)
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)
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backward_select = (
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"SELECT rowid, * FROM %s WHERE rowid <= ? ORDER BY rowid LIMIT ?" % (table,)
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)
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do_forward = [True]
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do_backward = [True]
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while True:
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def r(txn):
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forward_rows = []
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backward_rows = []
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if do_forward[0]:
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txn.execute(forward_select, (forward_chunk, self.batch_size))
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forward_rows = txn.fetchall()
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if not forward_rows:
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do_forward[0] = False
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if do_backward[0]:
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txn.execute(backward_select, (backward_chunk, self.batch_size))
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backward_rows = txn.fetchall()
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if not backward_rows:
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do_backward[0] = False
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if forward_rows or backward_rows:
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headers = [column[0] for column in txn.description]
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else:
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headers = None
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return headers, forward_rows, backward_rows
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headers, frows, brows = await self.sqlite_store.db_pool.runInteraction(
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"select", r
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)
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if frows or brows:
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if frows:
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forward_chunk = max(row[0] for row in frows) + 1
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if brows:
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backward_chunk = min(row[0] for row in brows) - 1
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rows = frows + brows
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rows = self._convert_rows(table, headers, rows)
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def insert(txn):
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self.postgres_store.insert_many_txn(txn, table, headers[1:], rows)
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self.postgres_store.db_pool.simple_update_one_txn(
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txn,
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table="port_from_sqlite3",
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keyvalues={"table_name": table},
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updatevalues={
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"forward_rowid": forward_chunk,
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"backward_rowid": backward_chunk,
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},
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)
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await self.postgres_store.execute(insert)
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postgres_size += len(rows)
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self.progress.update(table, postgres_size)
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else:
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return
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async def handle_search_table(
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self, postgres_size, table_size, forward_chunk, backward_chunk
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):
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select = (
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"SELECT es.rowid, es.*, e.origin_server_ts, e.stream_ordering"
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" FROM event_search as es"
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" INNER JOIN events AS e USING (event_id, room_id)"
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" WHERE es.rowid >= ?"
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" ORDER BY es.rowid LIMIT ?"
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)
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while True:
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def r(txn):
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txn.execute(select, (forward_chunk, self.batch_size))
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rows = txn.fetchall()
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headers = [column[0] for column in txn.description]
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return headers, rows
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headers, rows = await self.sqlite_store.db_pool.runInteraction("select", r)
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if rows:
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forward_chunk = rows[-1][0] + 1
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# We have to treat event_search differently since it has a
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# different structure in the two different databases.
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def insert(txn):
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sql = (
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"INSERT INTO event_search (event_id, room_id, key,"
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" sender, vector, origin_server_ts, stream_ordering)"
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" VALUES (?,?,?,?,to_tsvector('english', ?),?,?)"
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)
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rows_dict = []
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for row in rows:
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d = dict(zip(headers, row))
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if "\0" in d["value"]:
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logger.warning("dropping search row %s", d)
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else:
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rows_dict.append(d)
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txn.executemany(
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sql,
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[
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(
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row["event_id"],
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row["room_id"],
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row["key"],
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row["sender"],
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row["value"],
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row["origin_server_ts"],
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row["stream_ordering"],
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)
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for row in rows_dict
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],
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)
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self.postgres_store.db_pool.simple_update_one_txn(
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txn,
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table="port_from_sqlite3",
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keyvalues={"table_name": "event_search"},
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updatevalues={
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"forward_rowid": forward_chunk,
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"backward_rowid": backward_chunk,
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},
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)
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await self.postgres_store.execute(insert)
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postgres_size += len(rows)
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self.progress.update("event_search", postgres_size)
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else:
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return
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|
|
def build_db_store(
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self, db_config: DatabaseConnectionConfig, allow_outdated_version: bool = False,
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):
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"""Builds and returns a database store using the provided configuration.
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|
|
Args:
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db_config: The database configuration
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allow_outdated_version: True to suppress errors about the database server
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version being too old to run a complete synapse
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Returns:
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The built Store object.
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"""
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self.progress.set_state("Preparing %s" % db_config.config["name"])
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engine = create_engine(db_config.config)
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hs = MockHomeserver(self.hs_config)
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with make_conn(db_config, engine, "portdb") as db_conn:
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engine.check_database(
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db_conn, allow_outdated_version=allow_outdated_version
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)
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prepare_database(db_conn, engine, config=self.hs_config)
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store = Store(DatabasePool(hs, db_config, engine), db_conn, hs)
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db_conn.commit()
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return store
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async def run_background_updates_on_postgres(self):
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# Manually apply all background updates on the PostgreSQL database.
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|
postgres_ready = (
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await self.postgres_store.db_pool.updates.has_completed_background_updates()
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)
|
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|
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if not postgres_ready:
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# Only say that we're running background updates when there are background
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# updates to run.
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self.progress.set_state("Running background updates on PostgreSQL")
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while not postgres_ready:
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await self.postgres_store.db_pool.updates.do_next_background_update(100)
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postgres_ready = await (
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self.postgres_store.db_pool.updates.has_completed_background_updates()
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)
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async def run(self):
|
|
"""Ports the SQLite database to a PostgreSQL database.
|
|
|
|
When a fatal error is met, its message is assigned to the global "end_error"
|
|
variable. When this error comes with a stacktrace, its exec_info is assigned to
|
|
the global "end_error_exec_info" variable.
|
|
"""
|
|
global end_error
|
|
|
|
try:
|
|
# we allow people to port away from outdated versions of sqlite.
|
|
self.sqlite_store = self.build_db_store(
|
|
DatabaseConnectionConfig("master-sqlite", self.sqlite_config),
|
|
allow_outdated_version=True,
|
|
)
|
|
|
|
# Check if all background updates are done, abort if not.
|
|
updates_complete = (
|
|
await self.sqlite_store.db_pool.updates.has_completed_background_updates()
|
|
)
|
|
if not updates_complete:
|
|
end_error = (
|
|
"Pending background updates exist in the SQLite3 database."
|
|
" Please start Synapse again and wait until every update has finished"
|
|
" before running this script.\n"
|
|
)
|
|
return
|
|
|
|
self.postgres_store = self.build_db_store(
|
|
self.hs_config.get_single_database()
|
|
)
|
|
|
|
await self.run_background_updates_on_postgres()
|
|
|
|
self.progress.set_state("Creating port tables")
|
|
|
|
def create_port_table(txn):
|
|
txn.execute(
|
|
"CREATE TABLE IF NOT EXISTS port_from_sqlite3 ("
|
|
" table_name varchar(100) NOT NULL UNIQUE,"
|
|
" forward_rowid bigint NOT NULL,"
|
|
" backward_rowid bigint NOT NULL"
|
|
")"
|
|
)
|
|
|
|
# The old port script created a table with just a "rowid" column.
|
|
# We want people to be able to rerun this script from an old port
|
|
# so that they can pick up any missing events that were not
|
|
# ported across.
|
|
def alter_table(txn):
|
|
txn.execute(
|
|
"ALTER TABLE IF EXISTS port_from_sqlite3"
|
|
" RENAME rowid TO forward_rowid"
|
|
)
|
|
txn.execute(
|
|
"ALTER TABLE IF EXISTS port_from_sqlite3"
|
|
" ADD backward_rowid bigint NOT NULL DEFAULT 0"
|
|
)
|
|
|
|
try:
|
|
await self.postgres_store.db_pool.runInteraction(
|
|
"alter_table", alter_table
|
|
)
|
|
except Exception:
|
|
# On Error Resume Next
|
|
pass
|
|
|
|
await self.postgres_store.db_pool.runInteraction(
|
|
"create_port_table", create_port_table
|
|
)
|
|
|
|
# Step 2. Get tables.
|
|
self.progress.set_state("Fetching tables")
|
|
sqlite_tables = await self.sqlite_store.db_pool.simple_select_onecol(
|
|
table="sqlite_master", keyvalues={"type": "table"}, retcol="name"
|
|
)
|
|
|
|
postgres_tables = await self.postgres_store.db_pool.simple_select_onecol(
|
|
table="information_schema.tables",
|
|
keyvalues={},
|
|
retcol="distinct table_name",
|
|
)
|
|
|
|
tables = set(sqlite_tables) & set(postgres_tables)
|
|
logger.info("Found %d tables", len(tables))
|
|
|
|
# Step 3. Figure out what still needs copying
|
|
self.progress.set_state("Checking on port progress")
|
|
setup_res = await make_deferred_yieldable(
|
|
defer.gatherResults(
|
|
[
|
|
run_in_background(self.setup_table, table)
|
|
for table in tables
|
|
if table not in ["schema_version", "applied_schema_deltas"]
|
|
and not table.startswith("sqlite_")
|
|
],
|
|
consumeErrors=True,
|
|
)
|
|
)
|
|
|
|
# Step 4. Do the copying.
|
|
self.progress.set_state("Copying to postgres")
|
|
await make_deferred_yieldable(
|
|
defer.gatherResults(
|
|
[run_in_background(self.handle_table, *res) for res in setup_res],
|
|
consumeErrors=True,
|
|
)
|
|
)
|
|
|
|
# Step 5. Set up sequences
|
|
self.progress.set_state("Setting up sequence generators")
|
|
await self._setup_state_group_id_seq()
|
|
await self._setup_user_id_seq()
|
|
await self._setup_events_stream_seqs()
|
|
|
|
self.progress.done()
|
|
except Exception as e:
|
|
global end_error_exec_info
|
|
end_error = str(e)
|
|
end_error_exec_info = sys.exc_info()
|
|
logger.exception("")
|
|
finally:
|
|
reactor.stop()
|
|
|
|
def _convert_rows(self, table, headers, rows):
|
|
bool_col_names = BOOLEAN_COLUMNS.get(table, [])
|
|
|
|
bool_cols = [i for i, h in enumerate(headers) if h in bool_col_names]
|
|
|
|
class BadValueException(Exception):
|
|
pass
|
|
|
|
def conv(j, col):
|
|
if j in bool_cols:
|
|
return bool(col)
|
|
if isinstance(col, bytes):
|
|
return bytearray(col)
|
|
elif isinstance(col, str) and "\0" in col:
|
|
logger.warning(
|
|
"DROPPING ROW: NUL value in table %s col %s: %r",
|
|
table,
|
|
headers[j],
|
|
col,
|
|
)
|
|
raise BadValueException()
|
|
return col
|
|
|
|
outrows = []
|
|
for i, row in enumerate(rows):
|
|
try:
|
|
outrows.append(
|
|
tuple(conv(j, col) for j, col in enumerate(row) if j > 0)
|
|
)
|
|
except BadValueException:
|
|
pass
|
|
|
|
return outrows
|
|
|
|
async def _setup_sent_transactions(self):
|
|
# Only save things from the last day
|
|
yesterday = int(time.time() * 1000) - 86400000
|
|
|
|
# And save the max transaction id from each destination
|
|
select = (
|
|
"SELECT rowid, * FROM sent_transactions WHERE rowid IN ("
|
|
"SELECT max(rowid) FROM sent_transactions"
|
|
" GROUP BY destination"
|
|
")"
|
|
)
|
|
|
|
def r(txn):
|
|
txn.execute(select)
|
|
rows = txn.fetchall()
|
|
headers = [column[0] for column in txn.description]
|
|
|
|
ts_ind = headers.index("ts")
|
|
|
|
return headers, [r for r in rows if r[ts_ind] < yesterday]
|
|
|
|
headers, rows = await self.sqlite_store.db_pool.runInteraction("select", r)
|
|
|
|
rows = self._convert_rows("sent_transactions", headers, rows)
|
|
|
|
inserted_rows = len(rows)
|
|
if inserted_rows:
|
|
max_inserted_rowid = max(r[0] for r in rows)
|
|
|
|
def insert(txn):
|
|
self.postgres_store.insert_many_txn(
|
|
txn, "sent_transactions", headers[1:], rows
|
|
)
|
|
|
|
await self.postgres_store.execute(insert)
|
|
else:
|
|
max_inserted_rowid = 0
|
|
|
|
def get_start_id(txn):
|
|
txn.execute(
|
|
"SELECT rowid FROM sent_transactions WHERE ts >= ?"
|
|
" ORDER BY rowid ASC LIMIT 1",
|
|
(yesterday,),
|
|
)
|
|
|
|
rows = txn.fetchall()
|
|
if rows:
|
|
return rows[0][0]
|
|
else:
|
|
return 1
|
|
|
|
next_chunk = await self.sqlite_store.execute(get_start_id)
|
|
next_chunk = max(max_inserted_rowid + 1, next_chunk)
|
|
|
|
await self.postgres_store.db_pool.simple_insert(
|
|
table="port_from_sqlite3",
|
|
values={
|
|
"table_name": "sent_transactions",
|
|
"forward_rowid": next_chunk,
|
|
"backward_rowid": 0,
|
|
},
|
|
)
|
|
|
|
def get_sent_table_size(txn):
|
|
txn.execute(
|
|
"SELECT count(*) FROM sent_transactions" " WHERE ts >= ?", (yesterday,)
|
|
)
|
|
(size,) = txn.fetchone()
|
|
return int(size)
|
|
|
|
remaining_count = await self.sqlite_store.execute(get_sent_table_size)
|
|
|
|
total_count = remaining_count + inserted_rows
|
|
|
|
return next_chunk, inserted_rows, total_count
|
|
|
|
async def _get_remaining_count_to_port(self, table, forward_chunk, backward_chunk):
|
|
frows = await self.sqlite_store.execute_sql(
|
|
"SELECT count(*) FROM %s WHERE rowid >= ?" % (table,), forward_chunk
|
|
)
|
|
|
|
brows = await self.sqlite_store.execute_sql(
|
|
"SELECT count(*) FROM %s WHERE rowid <= ?" % (table,), backward_chunk
|
|
)
|
|
|
|
return frows[0][0] + brows[0][0]
|
|
|
|
async def _get_already_ported_count(self, table):
|
|
rows = await self.postgres_store.execute_sql(
|
|
"SELECT count(*) FROM %s" % (table,)
|
|
)
|
|
|
|
return rows[0][0]
|
|
|
|
async def _get_total_count_to_port(self, table, forward_chunk, backward_chunk):
|
|
remaining, done = await make_deferred_yieldable(
|
|
defer.gatherResults(
|
|
[
|
|
run_in_background(
|
|
self._get_remaining_count_to_port,
|
|
table,
|
|
forward_chunk,
|
|
backward_chunk,
|
|
),
|
|
run_in_background(self._get_already_ported_count, table),
|
|
],
|
|
)
|
|
)
|
|
|
|
remaining = int(remaining) if remaining else 0
|
|
done = int(done) if done else 0
|
|
|
|
return done, remaining + done
|
|
|
|
def _setup_state_group_id_seq(self):
|
|
def r(txn):
|
|
txn.execute("SELECT MAX(id) FROM state_groups")
|
|
curr_id = txn.fetchone()[0]
|
|
if not curr_id:
|
|
return
|
|
next_id = curr_id + 1
|
|
txn.execute("ALTER SEQUENCE state_group_id_seq RESTART WITH %s", (next_id,))
|
|
|
|
return self.postgres_store.db_pool.runInteraction("setup_state_group_id_seq", r)
|
|
|
|
def _setup_user_id_seq(self):
|
|
def r(txn):
|
|
next_id = find_max_generated_user_id_localpart(txn) + 1
|
|
txn.execute("ALTER SEQUENCE user_id_seq RESTART WITH %s", (next_id,))
|
|
|
|
return self.postgres_store.db_pool.runInteraction("setup_user_id_seq", r)
|
|
|
|
def _setup_events_stream_seqs(self):
|
|
def r(txn):
|
|
txn.execute("SELECT MAX(stream_ordering) FROM events")
|
|
curr_id = txn.fetchone()[0]
|
|
if curr_id:
|
|
next_id = curr_id + 1
|
|
txn.execute(
|
|
"ALTER SEQUENCE events_stream_seq RESTART WITH %s", (next_id,)
|
|
)
|
|
|
|
txn.execute("SELECT -MIN(stream_ordering) FROM events")
|
|
curr_id = txn.fetchone()[0]
|
|
if curr_id:
|
|
next_id = curr_id + 1
|
|
txn.execute(
|
|
"ALTER SEQUENCE events_backfill_stream_seq RESTART WITH %s",
|
|
(next_id,),
|
|
)
|
|
|
|
return self.postgres_store.db_pool.runInteraction(
|
|
"_setup_events_stream_seqs", r
|
|
)
|
|
|
|
|
|
##############################################
|
|
# The following is simply UI stuff
|
|
##############################################
|
|
|
|
|
|
class Progress(object):
|
|
"""Used to report progress of the port
|
|
"""
|
|
|
|
def __init__(self):
|
|
self.tables = {}
|
|
|
|
self.start_time = int(time.time())
|
|
|
|
def add_table(self, table, cur, size):
|
|
self.tables[table] = {
|
|
"start": cur,
|
|
"num_done": cur,
|
|
"total": size,
|
|
"perc": int(cur * 100 / size),
|
|
}
|
|
|
|
def update(self, table, num_done):
|
|
data = self.tables[table]
|
|
data["num_done"] = num_done
|
|
data["perc"] = int(num_done * 100 / data["total"])
|
|
|
|
def done(self):
|
|
pass
|
|
|
|
|
|
class CursesProgress(Progress):
|
|
"""Reports progress to a curses window
|
|
"""
|
|
|
|
def __init__(self, stdscr):
|
|
self.stdscr = stdscr
|
|
|
|
curses.use_default_colors()
|
|
curses.curs_set(0)
|
|
|
|
curses.init_pair(1, curses.COLOR_RED, -1)
|
|
curses.init_pair(2, curses.COLOR_GREEN, -1)
|
|
|
|
self.last_update = 0
|
|
|
|
self.finished = False
|
|
|
|
self.total_processed = 0
|
|
self.total_remaining = 0
|
|
|
|
super(CursesProgress, self).__init__()
|
|
|
|
def update(self, table, num_done):
|
|
super(CursesProgress, self).update(table, num_done)
|
|
|
|
self.total_processed = 0
|
|
self.total_remaining = 0
|
|
for table, data in self.tables.items():
|
|
self.total_processed += data["num_done"] - data["start"]
|
|
self.total_remaining += data["total"] - data["num_done"]
|
|
|
|
self.render()
|
|
|
|
def render(self, force=False):
|
|
now = time.time()
|
|
|
|
if not force and now - self.last_update < 0.2:
|
|
# reactor.callLater(1, self.render)
|
|
return
|
|
|
|
self.stdscr.clear()
|
|
|
|
rows, cols = self.stdscr.getmaxyx()
|
|
|
|
duration = int(now) - int(self.start_time)
|
|
|
|
minutes, seconds = divmod(duration, 60)
|
|
duration_str = "%02dm %02ds" % (minutes, seconds)
|
|
|
|
if self.finished:
|
|
status = "Time spent: %s (Done!)" % (duration_str,)
|
|
else:
|
|
|
|
if self.total_processed > 0:
|
|
left = float(self.total_remaining) / self.total_processed
|
|
|
|
est_remaining = (int(now) - self.start_time) * left
|
|
est_remaining_str = "%02dm %02ds remaining" % divmod(est_remaining, 60)
|
|
else:
|
|
est_remaining_str = "Unknown"
|
|
status = "Time spent: %s (est. remaining: %s)" % (
|
|
duration_str,
|
|
est_remaining_str,
|
|
)
|
|
|
|
self.stdscr.addstr(0, 0, status, curses.A_BOLD)
|
|
|
|
max_len = max([len(t) for t in self.tables.keys()])
|
|
|
|
left_margin = 5
|
|
middle_space = 1
|
|
|
|
items = self.tables.items()
|
|
items = sorted(items, key=lambda i: (i[1]["perc"], i[0]))
|
|
|
|
for i, (table, data) in enumerate(items):
|
|
if i + 2 >= rows:
|
|
break
|
|
|
|
perc = data["perc"]
|
|
|
|
color = curses.color_pair(2) if perc == 100 else curses.color_pair(1)
|
|
|
|
self.stdscr.addstr(
|
|
i + 2, left_margin + max_len - len(table), table, curses.A_BOLD | color
|
|
)
|
|
|
|
size = 20
|
|
|
|
progress = "[%s%s]" % (
|
|
"#" * int(perc * size / 100),
|
|
" " * (size - int(perc * size / 100)),
|
|
)
|
|
|
|
self.stdscr.addstr(
|
|
i + 2,
|
|
left_margin + max_len + middle_space,
|
|
"%s %3d%% (%d/%d)" % (progress, perc, data["num_done"], data["total"]),
|
|
)
|
|
|
|
if self.finished:
|
|
self.stdscr.addstr(rows - 1, 0, "Press any key to exit...")
|
|
|
|
self.stdscr.refresh()
|
|
self.last_update = time.time()
|
|
|
|
def done(self):
|
|
self.finished = True
|
|
self.render(True)
|
|
self.stdscr.getch()
|
|
|
|
def set_state(self, state):
|
|
self.stdscr.clear()
|
|
self.stdscr.addstr(0, 0, state + "...", curses.A_BOLD)
|
|
self.stdscr.refresh()
|
|
|
|
|
|
class TerminalProgress(Progress):
|
|
"""Just prints progress to the terminal
|
|
"""
|
|
|
|
def update(self, table, num_done):
|
|
super(TerminalProgress, self).update(table, num_done)
|
|
|
|
data = self.tables[table]
|
|
|
|
print(
|
|
"%s: %d%% (%d/%d)" % (table, data["perc"], data["num_done"], data["total"])
|
|
)
|
|
|
|
def set_state(self, state):
|
|
print(state + "...")
|
|
|
|
|
|
##############################################
|
|
##############################################
|
|
|
|
|
|
if __name__ == "__main__":
|
|
parser = argparse.ArgumentParser(
|
|
description="A script to port an existing synapse SQLite database to"
|
|
" a new PostgreSQL database."
|
|
)
|
|
parser.add_argument("-v", action="store_true")
|
|
parser.add_argument(
|
|
"--sqlite-database",
|
|
required=True,
|
|
help="The snapshot of the SQLite database file. This must not be"
|
|
" currently used by a running synapse server",
|
|
)
|
|
parser.add_argument(
|
|
"--postgres-config",
|
|
type=argparse.FileType("r"),
|
|
required=True,
|
|
help="The database config file for the PostgreSQL database",
|
|
)
|
|
parser.add_argument(
|
|
"--curses", action="store_true", help="display a curses based progress UI"
|
|
)
|
|
|
|
parser.add_argument(
|
|
"--batch-size",
|
|
type=int,
|
|
default=1000,
|
|
help="The number of rows to select from the SQLite table each"
|
|
" iteration [default=1000]",
|
|
)
|
|
|
|
args = parser.parse_args()
|
|
|
|
logging_config = {
|
|
"level": logging.DEBUG if args.v else logging.INFO,
|
|
"format": "%(asctime)s - %(name)s - %(lineno)d - %(levelname)s - %(message)s",
|
|
}
|
|
|
|
if args.curses:
|
|
logging_config["filename"] = "port-synapse.log"
|
|
|
|
logging.basicConfig(**logging_config)
|
|
|
|
sqlite_config = {
|
|
"name": "sqlite3",
|
|
"args": {
|
|
"database": args.sqlite_database,
|
|
"cp_min": 1,
|
|
"cp_max": 1,
|
|
"check_same_thread": False,
|
|
},
|
|
}
|
|
|
|
hs_config = yaml.safe_load(args.postgres_config)
|
|
|
|
if "database" not in hs_config:
|
|
sys.stderr.write("The configuration file must have a 'database' section.\n")
|
|
sys.exit(4)
|
|
|
|
postgres_config = hs_config["database"]
|
|
|
|
if "name" not in postgres_config:
|
|
sys.stderr.write("Malformed database config: no 'name'\n")
|
|
sys.exit(2)
|
|
if postgres_config["name"] != "psycopg2":
|
|
sys.stderr.write("Database must use the 'psycopg2' connector.\n")
|
|
sys.exit(3)
|
|
|
|
config = HomeServerConfig()
|
|
config.parse_config_dict(hs_config, "", "")
|
|
|
|
def start(stdscr=None):
|
|
if stdscr:
|
|
progress = CursesProgress(stdscr)
|
|
else:
|
|
progress = TerminalProgress()
|
|
|
|
porter = Porter(
|
|
sqlite_config=sqlite_config,
|
|
progress=progress,
|
|
batch_size=args.batch_size,
|
|
hs_config=config,
|
|
)
|
|
|
|
@defer.inlineCallbacks
|
|
def run():
|
|
with LoggingContext("synapse_port_db_run"):
|
|
yield defer.ensureDeferred(porter.run())
|
|
|
|
reactor.callWhenRunning(run)
|
|
|
|
reactor.run()
|
|
|
|
if args.curses:
|
|
curses.wrapper(start)
|
|
else:
|
|
start()
|
|
|
|
if end_error:
|
|
if end_error_exec_info:
|
|
exc_type, exc_value, exc_traceback = end_error_exec_info
|
|
traceback.print_exception(exc_type, exc_value, exc_traceback)
|
|
|
|
sys.stderr.write(end_error)
|
|
|
|
sys.exit(5)
|