374 lines
11 KiB
Python
374 lines
11 KiB
Python
# -*- coding: utf-8 -*-
|
|
# Copyright 2015 OpenMarket Ltd
|
|
#
|
|
# Licensed under the Apache License, Version 2.0 (the "License");
|
|
# you may not use this file except in compliance with the License.
|
|
# You may obtain a copy of the License at
|
|
#
|
|
# http://www.apache.org/licenses/LICENSE-2.0
|
|
#
|
|
# Unless required by applicable law or agreed to in writing, software
|
|
# distributed under the License is distributed on an "AS IS" BASIS,
|
|
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
# See the License for the specific language governing permissions and
|
|
# limitations under the License.
|
|
|
|
from twisted.internet import defer, reactor
|
|
from twisted.enterprise import adbapi
|
|
|
|
from synapse.storage._base import LoggingTransaction, SQLBaseStore
|
|
from synapse.storage.engines import create_engine
|
|
|
|
import argparse
|
|
import itertools
|
|
import logging
|
|
import types
|
|
import yaml
|
|
|
|
|
|
logger = logging.getLogger("port_from_sqlite_to_postgres")
|
|
|
|
|
|
BINARY_COLUMNS = {
|
|
"event_content_hashes": ["hash"],
|
|
"event_reference_hashes": ["hash"],
|
|
"event_signatures": ["signature"],
|
|
"event_edge_hashes": ["hash"],
|
|
"events": ["content", "unrecognized_keys"],
|
|
"event_json": ["internal_metadata", "json"],
|
|
"application_services_txns": ["event_ids"],
|
|
"received_transactions": ["response_json"],
|
|
"sent_transactions": ["response_json"],
|
|
"server_tls_certificates": ["tls_certificate"],
|
|
"server_signature_keys": ["verify_key"],
|
|
"pushers": ["pushkey", "data"],
|
|
"user_filters": ["filter_json"],
|
|
}
|
|
|
|
UNICODE_COLUMNS = {
|
|
"events": ["content", "unrecognized_keys"],
|
|
"event_json": ["internal_metadata", "json"],
|
|
"users": ["password_hash"],
|
|
}
|
|
|
|
|
|
BOOLEAN_COLUMNS = {
|
|
"events": ["processed", "outlier"],
|
|
"rooms": ["is_public"],
|
|
"event_edges": ["is_state"],
|
|
"presence_list": ["accepted"],
|
|
}
|
|
|
|
|
|
APPEND_ONLY_TABLES = [
|
|
"event_content_hashes",
|
|
"event_reference_hashes",
|
|
"event_signatures",
|
|
"event_edge_hashes",
|
|
"events",
|
|
"event_json",
|
|
"state_events",
|
|
"room_memberships",
|
|
"feedback",
|
|
"topics",
|
|
"room_names",
|
|
"rooms",
|
|
"local_media_repository",
|
|
"local_media_repository_thumbnails",
|
|
"remote_media_cache",
|
|
"remote_media_cache_thumbnails",
|
|
"redactions",
|
|
"event_edges",
|
|
"event_auth",
|
|
"received_transactions",
|
|
"sent_transactions",
|
|
"transaction_id_to_pdu",
|
|
"users",
|
|
"state_groups",
|
|
"state_groups_state",
|
|
"event_to_state_groups",
|
|
"rejections",
|
|
]
|
|
|
|
|
|
class Store(object):
|
|
def __init__(self, db_pool, engine):
|
|
self.db_pool = db_pool
|
|
self.database_engine = engine
|
|
|
|
_simple_insert_txn = SQLBaseStore.__dict__["_simple_insert_txn"]
|
|
_simple_insert = SQLBaseStore.__dict__["_simple_insert"]
|
|
|
|
_simple_select_onecol_txn = SQLBaseStore.__dict__["_simple_select_onecol_txn"]
|
|
_simple_select_onecol = SQLBaseStore.__dict__["_simple_select_onecol"]
|
|
_simple_select_one_onecol = SQLBaseStore.__dict__["_simple_select_one_onecol"]
|
|
_simple_select_one_onecol_txn = SQLBaseStore.__dict__["_simple_select_one_onecol_txn"]
|
|
|
|
_simple_update_one = SQLBaseStore.__dict__["_simple_update_one"]
|
|
_simple_update_one_txn = SQLBaseStore.__dict__["_simple_update_one_txn"]
|
|
|
|
_execute_and_decode = SQLBaseStore.__dict__["_execute_and_decode"]
|
|
|
|
def runInteraction(self, desc, func, *args, **kwargs):
|
|
def r(conn):
|
|
try:
|
|
i = 0
|
|
N = 5
|
|
while True:
|
|
try:
|
|
txn = conn.cursor()
|
|
return func(
|
|
LoggingTransaction(txn, desc, self.database_engine),
|
|
*args, **kwargs
|
|
)
|
|
except self.database_engine.module.DatabaseError as e:
|
|
if self.database_engine.is_deadlock(e):
|
|
logger.warn("[TXN DEADLOCK] {%s} %d/%d", desc, i, N)
|
|
if i < N:
|
|
i += 1
|
|
conn.rollback()
|
|
continue
|
|
raise
|
|
except Exception as e:
|
|
logger.debug("[TXN FAIL] {%s}", desc, e)
|
|
raise
|
|
|
|
return self.db_pool.runWithConnection(r)
|
|
|
|
def insert_many_txn(self, txn, table, headers, rows):
|
|
sql = "INSERT INTO %s (%s) VALUES (%s)" % (
|
|
table,
|
|
", ".join(k for k in headers),
|
|
", ".join("%s" for _ in headers)
|
|
)
|
|
|
|
try:
|
|
txn.executemany(sql, rows)
|
|
except:
|
|
logger.exception(
|
|
"Failed to insert: %s",
|
|
table,
|
|
)
|
|
raise
|
|
|
|
|
|
|
|
def chunks(n):
|
|
for i in itertools.count(0, n):
|
|
yield range(i, i+n)
|
|
|
|
|
|
@defer.inlineCallbacks
|
|
def handle_table(table, sqlite_store, postgres_store):
|
|
if table in APPEND_ONLY_TABLES:
|
|
# It's safe to just carry on inserting.
|
|
next_chunk = yield postgres_store._simple_select_one_onecol(
|
|
table="port_from_sqlite3",
|
|
keyvalues={"table_name": table},
|
|
retcol="rowid",
|
|
allow_none=True,
|
|
)
|
|
|
|
if next_chunk is None:
|
|
yield postgres_store._simple_insert(
|
|
table="port_from_sqlite3",
|
|
values={"table_name": table, "rowid": 0}
|
|
)
|
|
|
|
next_chunk = 0
|
|
else:
|
|
def delete_all(txn):
|
|
txn.execute(
|
|
"DELETE FROM port_from_sqlite3 WHERE table_name = %s",
|
|
(table,)
|
|
)
|
|
txn.execute("TRUNCATE %s CASCADE" % (table,))
|
|
postgres_store._simple_insert_txn(
|
|
txn,
|
|
table="port_from_sqlite3",
|
|
values={"table_name": table, "rowid": 0}
|
|
)
|
|
|
|
yield postgres_store.runInteraction(
|
|
"delete_non_append_only", delete_all
|
|
)
|
|
|
|
next_chunk = 0
|
|
|
|
logger.info("next_chunk for %s: %d", table, next_chunk)
|
|
|
|
N = 5000
|
|
|
|
select = "SELECT rowid, * FROM %s WHERE rowid >= ? ORDER BY rowid LIMIT ?" % (table,)
|
|
|
|
uni_col_names = UNICODE_COLUMNS.get(table, [])
|
|
bool_col_names = BOOLEAN_COLUMNS.get(table, [])
|
|
bin_col_names = BINARY_COLUMNS.get(table, [])
|
|
|
|
while True:
|
|
def r(txn):
|
|
txn.execute(select, (next_chunk, N,))
|
|
rows = txn.fetchall()
|
|
headers = [column[0] for column in txn.description]
|
|
|
|
return headers, rows
|
|
|
|
headers, rows = yield sqlite_store.runInteraction("select", r)
|
|
|
|
logger.info("Got %d rows for %s", len(rows), table)
|
|
|
|
if rows:
|
|
uni_cols = [i for i, h in enumerate(headers) if h in uni_col_names]
|
|
bool_cols = [i for i, h in enumerate(headers) if h in bool_col_names]
|
|
bin_cols = [i for i, h in enumerate(headers) if h in bin_col_names]
|
|
next_chunk = rows[-1][0] + 1
|
|
|
|
def conv(j, col):
|
|
if j in uni_cols:
|
|
col = sqlite_store.database_engine.load_unicode(col)
|
|
if j in bool_cols:
|
|
return bool(col)
|
|
|
|
if j in bin_cols:
|
|
if isinstance(col, types.UnicodeType):
|
|
col = buffer(col.encode("utf8"))
|
|
|
|
return col
|
|
|
|
for i, row in enumerate(rows):
|
|
rows[i] = tuple(
|
|
postgres_store.database_engine.encode_parameter(
|
|
conv(j, col)
|
|
)
|
|
for j, col in enumerate(row)
|
|
if j > 0
|
|
)
|
|
|
|
def ins(txn):
|
|
postgres_store.insert_many_txn(txn, table, headers[1:], rows)
|
|
|
|
postgres_store._simple_update_one_txn(
|
|
txn,
|
|
table="port_from_sqlite3",
|
|
keyvalues={"table_name": table},
|
|
updatevalues={"rowid": next_chunk},
|
|
)
|
|
|
|
yield postgres_store.runInteraction("insert_many", ins)
|
|
else:
|
|
return
|
|
|
|
|
|
def setup_db(db_config, database_engine):
|
|
db_conn = database_engine.module.connect(
|
|
**{
|
|
k: v for k, v in db_config.get("args", {}).items()
|
|
if not k.startswith("cp_")
|
|
}
|
|
)
|
|
|
|
database_engine.prepare_database(db_conn)
|
|
|
|
db_conn.commit()
|
|
|
|
|
|
@defer.inlineCallbacks
|
|
def main(sqlite_config, postgress_config):
|
|
try:
|
|
sqlite_db_pool = adbapi.ConnectionPool(
|
|
sqlite_config["name"],
|
|
**sqlite_config["args"]
|
|
)
|
|
|
|
postgres_db_pool = adbapi.ConnectionPool(
|
|
postgress_config["name"],
|
|
**postgress_config["args"]
|
|
)
|
|
|
|
sqlite_engine = create_engine("sqlite3")
|
|
postgres_engine = create_engine("psycopg2")
|
|
|
|
sqlite_store = Store(sqlite_db_pool, sqlite_engine)
|
|
postgres_store = Store(postgres_db_pool, postgres_engine)
|
|
|
|
# Step 1. Set up databases.
|
|
logger.info("Preparing sqlite database...")
|
|
setup_db(sqlite_config, sqlite_engine)
|
|
|
|
logger.info("Preparing postgres database...")
|
|
setup_db(postgress_config, postgres_engine)
|
|
|
|
# Step 2. Get tables.
|
|
logger.info("Fetching tables...")
|
|
tables = yield sqlite_store._simple_select_onecol(
|
|
table="sqlite_master",
|
|
keyvalues={
|
|
"type": "table",
|
|
},
|
|
retcol="name",
|
|
)
|
|
|
|
logger.info("Found %d tables", len(tables))
|
|
|
|
def create_port_table(txn):
|
|
txn.execute(
|
|
"CREATE TABLE port_from_sqlite3 ("
|
|
" table_name varchar(100) NOT NULL UNIQUE,"
|
|
" rowid bigint NOT NULL"
|
|
")"
|
|
)
|
|
|
|
try:
|
|
yield postgres_store.runInteraction(
|
|
"create_port_table", create_port_table
|
|
)
|
|
except Exception as e:
|
|
logger.info("Failed to create port table: %s", e)
|
|
|
|
# Process tables.
|
|
yield defer.gatherResults(
|
|
[
|
|
handle_table(table, sqlite_store, postgres_store)
|
|
for table in tables
|
|
if table not in ["schema_version", "applied_schema_deltas"]
|
|
and not table.startswith("sqlite_")
|
|
],
|
|
consumeErrors=True,
|
|
)
|
|
|
|
except:
|
|
logger.exception("")
|
|
finally:
|
|
reactor.stop()
|
|
|
|
|
|
if __name__ == "__main__":
|
|
parser = argparse.ArgumentParser()
|
|
parser.add_argument("--sqlite-database")
|
|
parser.add_argument(
|
|
"--postgres-config", type=argparse.FileType('r'),
|
|
)
|
|
|
|
args = parser.parse_args()
|
|
logging.basicConfig(level=logging.INFO)
|
|
|
|
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)
|
|
|
|
reactor.callWhenRunning(
|
|
main,
|
|
sqlite_config=sqlite_config,
|
|
postgres_config=postgres_config,
|
|
)
|
|
|
|
reactor.run()
|