mirror of
https://mau.dev/maunium/synapse.git
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835 lines
25 KiB
Python
Executable file
835 lines
25 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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#
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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 twisted.internet import defer, reactor
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from twisted.enterprise import adbapi
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from synapse.storage._base import LoggingTransaction, SQLBaseStore
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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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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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import yaml
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logger = logging.getLogger("synapse_port_db")
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BOOLEAN_COLUMNS = {
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"events": ["processed", "outlier"],
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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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}
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APPEND_ONLY_TABLES = [
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"event_content_hashes",
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"event_reference_hashes",
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"event_signatures",
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"event_edge_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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"feedback",
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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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]
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end_error_exec_info = None
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class Store(object):
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"""This object is used to pull out some of the convenience API from the
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Storage layer.
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*All* database interactions should go through this object.
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"""
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def __init__(self, db_pool, engine):
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self.db_pool = db_pool
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self.database_engine = engine
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_simple_insert_txn = SQLBaseStore.__dict__["_simple_insert_txn"]
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_simple_insert = SQLBaseStore.__dict__["_simple_insert"]
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_simple_select_onecol_txn = SQLBaseStore.__dict__["_simple_select_onecol_txn"]
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_simple_select_onecol = SQLBaseStore.__dict__["_simple_select_onecol"]
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_simple_select_one_onecol = SQLBaseStore.__dict__["_simple_select_one_onecol"]
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_simple_select_one_onecol_txn = SQLBaseStore.__dict__["_simple_select_one_onecol_txn"]
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_simple_update_one = SQLBaseStore.__dict__["_simple_update_one"]
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_simple_update_one_txn = SQLBaseStore.__dict__["_simple_update_one_txn"]
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def runInteraction(self, desc, func, *args, **kwargs):
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def r(conn):
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try:
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i = 0
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N = 5
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while True:
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try:
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txn = conn.cursor()
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return func(
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LoggingTransaction(txn, desc, self.database_engine, []),
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*args, **kwargs
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)
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except self.database_engine.module.DatabaseError as e:
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if self.database_engine.is_deadlock(e):
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logger.warn("[TXN DEADLOCK] {%s} %d/%d", desc, i, N)
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if i < N:
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i += 1
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conn.rollback()
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continue
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raise
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except Exception as e:
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logger.debug("[TXN FAIL] {%s} %s", desc, e)
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raise
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return self.db_pool.runWithConnection(r)
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def execute(self, f, *args, **kwargs):
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return self.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.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:
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logger.exception(
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"Failed to insert: %s",
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table,
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)
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raise
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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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@defer.inlineCallbacks
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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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next_chunk = yield self.postgres_store._simple_select_one_onecol(
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table="port_from_sqlite3",
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keyvalues={"table_name": table},
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retcol="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 next_chunk is None:
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if table == "sent_transactions":
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next_chunk, already_ported, total_to_port = (
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yield self._setup_sent_transactions()
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)
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else:
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yield self.postgres_store._simple_insert(
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table="port_from_sqlite3",
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values={"table_name": table, "rowid": 1}
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)
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next_chunk = 1
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already_ported = 0
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if total_to_port is None:
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already_ported, total_to_port = yield self._get_total_count_to_port(
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table, next_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",
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(table,)
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)
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txn.execute("TRUNCATE %s CASCADE" % (table,))
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yield self.postgres_store.execute(delete_all)
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yield self.postgres_store._simple_insert(
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table="port_from_sqlite3",
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values={"table_name": table, "rowid": 0}
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)
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next_chunk = 1
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already_ported, total_to_port = yield self._get_total_count_to_port(
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table, next_chunk
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)
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defer.returnValue((table, already_ported, total_to_port, next_chunk))
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@defer.inlineCallbacks
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def handle_table(self, table, postgres_size, table_size, next_chunk):
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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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yield self.handle_search_table(postgres_size, table_size, next_chunk)
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return
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select = (
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"SELECT rowid, * FROM %s WHERE rowid >= ? ORDER BY rowid LIMIT ?"
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% (table,)
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)
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while True:
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def r(txn):
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txn.execute(select, (next_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 = yield self.sqlite_store.runInteraction("select", r)
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if rows:
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next_chunk = rows[-1][0] + 1
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self._convert_rows(table, headers, rows)
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def insert(txn):
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self.postgres_store.insert_many_txn(
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txn, table, headers[1:], rows
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)
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self.postgres_store._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={"rowid": next_chunk},
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)
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yield 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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@defer.inlineCallbacks
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def handle_search_table(self, postgres_size, table_size, next_chunk):
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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, (next_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 = yield self.sqlite_store.runInteraction("select", r)
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if rows:
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next_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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dict(zip(headers, row))
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for row in rows
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]
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txn.executemany(sql, [
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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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self.postgres_store._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={"rowid": next_chunk},
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)
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yield 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 setup_db(self, db_config, database_engine):
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db_conn = database_engine.module.connect(
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**{
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k: v for k, v in db_config.get("args", {}).items()
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if not k.startswith("cp_")
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}
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)
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prepare_database(db_conn, database_engine, config=None)
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db_conn.commit()
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@defer.inlineCallbacks
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def run(self):
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try:
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sqlite_db_pool = adbapi.ConnectionPool(
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self.sqlite_config["name"],
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**self.sqlite_config["args"]
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)
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postgres_db_pool = adbapi.ConnectionPool(
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self.postgres_config["name"],
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**self.postgres_config["args"]
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)
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sqlite_engine = create_engine(sqlite_config)
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postgres_engine = create_engine(postgres_config)
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self.sqlite_store = Store(sqlite_db_pool, sqlite_engine)
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self.postgres_store = Store(postgres_db_pool, postgres_engine)
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yield self.postgres_store.execute(
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postgres_engine.check_database
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)
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# Step 1. Set up databases.
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self.progress.set_state("Preparing SQLite3")
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self.setup_db(sqlite_config, sqlite_engine)
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self.progress.set_state("Preparing PostgreSQL")
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self.setup_db(postgres_config, postgres_engine)
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# Step 2. Get tables.
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self.progress.set_state("Fetching tables")
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sqlite_tables = yield self.sqlite_store._simple_select_onecol(
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table="sqlite_master",
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keyvalues={
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"type": "table",
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},
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retcol="name",
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)
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postgres_tables = yield self.postgres_store._simple_select_onecol(
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table="information_schema.tables",
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keyvalues={
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"table_schema": "public",
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},
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retcol="distinct table_name",
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)
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tables = set(sqlite_tables) & set(postgres_tables)
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self.progress.set_state("Creating tables")
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logger.info("Found %d tables", len(tables))
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def create_port_table(txn):
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txn.execute(
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"CREATE TABLE port_from_sqlite3 ("
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" table_name varchar(100) NOT NULL UNIQUE,"
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" rowid bigint NOT NULL"
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")"
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)
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try:
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yield self.postgres_store.runInteraction(
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"create_port_table", create_port_table
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)
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except Exception as e:
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logger.info("Failed to create port table: %s", e)
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self.progress.set_state("Setting up")
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# Set up tables.
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setup_res = yield defer.gatherResults(
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[
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self.setup_table(table)
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for table in tables
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if table not in ["schema_version", "applied_schema_deltas"]
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and not table.startswith("sqlite_")
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],
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consumeErrors=True,
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)
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# Process tables.
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yield defer.gatherResults(
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[
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self.handle_table(*res)
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for res in setup_res
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],
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consumeErrors=True,
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)
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self.progress.done()
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except:
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global end_error_exec_info
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end_error_exec_info = sys.exc_info()
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logger.exception("")
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finally:
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reactor.stop()
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def _convert_rows(self, table, headers, rows):
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bool_col_names = BOOLEAN_COLUMNS.get(table, [])
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bool_cols = [
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i for i, h in enumerate(headers) if h in bool_col_names
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]
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def conv(j, col):
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if j in bool_cols:
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return bool(col)
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return col
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for i, row in enumerate(rows):
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rows[i] = tuple(
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conv(j, col)
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for j, col in enumerate(row)
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if j > 0
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)
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@defer.inlineCallbacks
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def _setup_sent_transactions(self):
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# Only save things from the last day
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yesterday = int(time.time()*1000) - 86400000
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# And save the max transaction id from each destination
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select = (
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"SELECT rowid, * FROM sent_transactions WHERE rowid IN ("
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"SELECT max(rowid) FROM sent_transactions"
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" GROUP BY destination"
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")"
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)
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def r(txn):
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txn.execute(select)
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rows = txn.fetchall()
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headers = [column[0] for column in txn.description]
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ts_ind = headers.index('ts')
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return headers, [r for r in rows if r[ts_ind] < yesterday]
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headers, rows = yield self.sqlite_store.runInteraction(
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"select", r,
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)
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self._convert_rows("sent_transactions", headers, rows)
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inserted_rows = len(rows)
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if inserted_rows:
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max_inserted_rowid = max(r[0] for r in rows)
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def insert(txn):
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self.postgres_store.insert_many_txn(
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txn, "sent_transactions", headers[1:], rows
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)
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yield self.postgres_store.execute(insert)
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else:
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max_inserted_rowid = 0
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def get_start_id(txn):
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txn.execute(
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"SELECT rowid FROM sent_transactions WHERE ts >= ?"
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" ORDER BY rowid ASC LIMIT 1",
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(yesterday,)
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)
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rows = txn.fetchall()
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if rows:
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return rows[0][0]
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else:
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return 1
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next_chunk = yield self.sqlite_store.execute(get_start_id)
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next_chunk = max(max_inserted_rowid + 1, next_chunk)
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yield self.postgres_store._simple_insert(
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table="port_from_sqlite3",
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values={"table_name": "sent_transactions", "rowid": next_chunk}
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)
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|
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def get_sent_table_size(txn):
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txn.execute(
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"SELECT count(*) FROM sent_transactions"
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" WHERE ts >= ?",
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(yesterday,)
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)
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size, = txn.fetchone()
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return int(size)
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remaining_count = yield self.sqlite_store.execute(
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get_sent_table_size
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)
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total_count = remaining_count + inserted_rows
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defer.returnValue((next_chunk, inserted_rows, total_count))
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@defer.inlineCallbacks
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def _get_remaining_count_to_port(self, table, next_chunk):
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rows = yield self.sqlite_store.execute_sql(
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"SELECT count(*) FROM %s WHERE rowid >= ?" % (table,),
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next_chunk,
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)
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defer.returnValue(rows[0][0])
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@defer.inlineCallbacks
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def _get_already_ported_count(self, table):
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rows = yield self.postgres_store.execute_sql(
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"SELECT count(*) FROM %s" % (table,),
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)
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defer.returnValue(rows[0][0])
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@defer.inlineCallbacks
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|
def _get_total_count_to_port(self, table, next_chunk):
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remaining, done = yield defer.gatherResults(
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[
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self._get_remaining_count_to_port(table, next_chunk),
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|
self._get_already_ported_count(table),
|
|
],
|
|
consumeErrors=True,
|
|
)
|
|
|
|
remaining = int(remaining) if remaining else 0
|
|
done = int(done) if done else 0
|
|
|
|
defer.returnValue((done, remaining + done))
|
|
|
|
|
|
##############################################
|
|
###### 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.sort(
|
|
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,
|
|
},
|
|
}
|
|
|
|
postgres_config = yaml.safe_load(args.postgres_config)
|
|
|
|
if "database" in postgres_config:
|
|
postgres_config = postgres_config["database"]
|
|
|
|
if "name" not in postgres_config:
|
|
sys.stderr.write("Malformed database config: no 'name'")
|
|
sys.exit(2)
|
|
if postgres_config["name"] != "psycopg2":
|
|
sys.stderr.write("Database must use 'psycopg2' connector.")
|
|
sys.exit(3)
|
|
|
|
def start(stdscr=None):
|
|
if stdscr:
|
|
progress = CursesProgress(stdscr)
|
|
else:
|
|
progress = TerminalProgress()
|
|
|
|
porter = Porter(
|
|
sqlite_config=sqlite_config,
|
|
postgres_config=postgres_config,
|
|
progress=progress,
|
|
batch_size=args.batch_size,
|
|
)
|
|
|
|
reactor.callWhenRunning(porter.run)
|
|
|
|
reactor.run()
|
|
|
|
if args.curses:
|
|
curses.wrapper(start)
|
|
else:
|
|
start()
|
|
|
|
if end_error_exec_info:
|
|
exc_type, exc_value, exc_traceback = end_error_exec_info
|
|
traceback.print_exception(exc_type, exc_value, exc_traceback)
|