Merge pull request #135 from matrix-org/erikj/postgres_charset_check

Check that postgres database has correct charset set
This commit is contained in:
Mark Haines 2015-04-29 13:04:22 +01:00
commit 19167fd21f
6 changed files with 61 additions and 8 deletions

View File

@ -283,6 +283,10 @@ class Porter(object):
self.sqlite_store = Store(sqlite_db_pool, sqlite_engine)
self.postgres_store = Store(postgres_db_pool, postgres_engine)
yield self.postgres_store.execute(
postgres_engine.check_database
)
# Step 1. Set up databases.
self.progress.set_state("Preparing SQLite3")
self.setup_db(sqlite_config, sqlite_engine)

View File

@ -17,7 +17,7 @@
import sys
sys.dont_write_bytecode = True
from synapse.storage.engines import create_engine
from synapse.storage.engines import create_engine, IncorrectDatabaseSetup
from synapse.storage import (
are_all_users_on_domain, UpgradeDatabaseException,
)
@ -245,14 +245,26 @@ class SynapseHomeServer(HomeServer):
db_conn.cursor(), database_engine, self.hostname
)
if not all_users_native:
sys.stderr.write(
"\n"
"******************************************************\n"
quit_with_error(
"Found users in database not native to %s!\n"
"You cannot changed a synapse server_name after it's been configured\n"
"******************************************************\n"
"\n" % (self.hostname,)
"You cannot changed a synapse server_name after it's been configured"
% (self.hostname,)
)
try:
database_engine.check_database(db_conn.cursor())
except IncorrectDatabaseSetup as e:
quit_with_error(e.message)
def quit_with_error(error_string):
message_lines = error_string.split("\n")
line_length = max([len(l) for l in message_lines]) + 2
sys.stderr.write("*" * line_length + '\n')
for line in message_lines:
if line.strip():
sys.stderr.write(" %s\n" % (line.strip(),))
sys.stderr.write("*" * line_length + '\n')
sys.exit(1)

View File

@ -13,6 +13,7 @@
# See the License for the specific language governing permissions and
# limitations under the License.
from ._base import IncorrectDatabaseSetup
from .postgres import PostgresEngine
from .sqlite3 import Sqlite3Engine
@ -35,3 +36,6 @@ def create_engine(name):
raise RuntimeError(
"Unsupported database engine '%s'" % (name,)
)
__all__ = ["create_engine", "IncorrectDatabaseSetup"]

View File

@ -0,0 +1,18 @@
# -*- 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.
class IncorrectDatabaseSetup(RuntimeError):
pass

View File

@ -15,12 +15,24 @@
from synapse.storage import prepare_database
from ._base import IncorrectDatabaseSetup
class PostgresEngine(object):
def __init__(self, database_module):
self.module = database_module
self.module.extensions.register_type(self.module.extensions.UNICODE)
def check_database(self, txn):
txn.execute("SHOW SERVER_ENCODING")
rows = txn.fetchall()
if rows and rows[0][0] != "UTF8":
raise IncorrectDatabaseSetup(
"Database has incorrect encoding: '%s' instead of 'UTF8'\n"
"See docs/postgres.rst for more information."
% (rows[0][0],)
)
def convert_param_style(self, sql):
return sql.replace("?", "%s")

View File

@ -20,6 +20,9 @@ class Sqlite3Engine(object):
def __init__(self, database_module):
self.module = database_module
def check_database(self, txn):
pass
def convert_param_style(self, sql):
return sql