diff options
Diffstat (limited to 'synapse/storage')
| -rw-r--r-- | synapse/storage/data_stores/main/__init__.py | 34 | ||||
| -rw-r--r-- | synapse/storage/prepare_database.py | 15 |
2 files changed, 32 insertions, 17 deletions
diff --git a/synapse/storage/data_stores/main/__init__.py b/synapse/storage/data_stores/main/__init__.py index 2700cca822..acca079f23 100644 --- a/synapse/storage/data_stores/main/__init__.py +++ b/synapse/storage/data_stores/main/__init__.py @@ -20,6 +20,7 @@ import logging import time from synapse.api.constants import PresenceState +from synapse.config.homeserver import HomeServerConfig from synapse.storage.database import Database from synapse.storage.engines import PostgresEngine from synapse.storage.util.id_generators import ( @@ -117,16 +118,6 @@ class DataStore( self._clock = hs.get_clock() self.database_engine = database.engine - all_users_native = are_all_users_on_domain( - db_conn.cursor(), database.engine, hs.hostname - ) - if not all_users_native: - raise Exception( - "Found users in database not native to %s!\n" - "You cannot changed a synapse server_name after it's been configured" - % (hs.hostname,) - ) - self._stream_id_gen = StreamIdGenerator( db_conn, "events", @@ -567,13 +558,26 @@ class DataStore( ) -def are_all_users_on_domain(txn, database_engine, domain): +def check_database_before_upgrade(cur, database_engine, config: HomeServerConfig): + """Called before upgrading an existing database to check that it is broadly sane + compared with the configuration. + """ + domain = config.server_name + sql = database_engine.convert_param_style( "SELECT COUNT(*) FROM users WHERE name NOT LIKE ?" ) pat = "%:" + domain - txn.execute(sql, (pat,)) - num_not_matching = txn.fetchall()[0][0] + cur.execute(sql, (pat,)) + num_not_matching = cur.fetchall()[0][0] if num_not_matching == 0: - return True - return False + return + + raise Exception( + "Found users in database not native to %s!\n" + "You cannot changed a synapse server_name after it's been configured" + % (domain,) + ) + + +__all__ = ["DataStore", "check_database_before_upgrade"] diff --git a/synapse/storage/prepare_database.py b/synapse/storage/prepare_database.py index fc69c32a0a..6cb7d4b922 100644 --- a/synapse/storage/prepare_database.py +++ b/synapse/storage/prepare_database.py @@ -278,13 +278,17 @@ def _upgrade_existing_database( the current_version wasn't generated by applying those delta files. database_engine (DatabaseEngine) config (synapse.config.homeserver.HomeServerConfig|None): - application config, or None if we are connecting to an existing - database which we expect to be configured already + None if we are initialising a blank database, otherwise the application + config data_stores (list[str]): The names of the data stores to instantiate on the given database. is_empty (bool): Is this a blank database? I.e. do we need to run the upgrade portions of the delta scripts. """ + if is_empty: + assert not applied_delta_files + else: + assert config if current_version > SCHEMA_VERSION: raise ValueError( @@ -292,6 +296,13 @@ def _upgrade_existing_database( + "new for the server to understand" ) + # some of the deltas assume that config.server_name is set correctly, so now + # is a good time to run the sanity check. + if not is_empty and "main" in data_stores: + from synapse.storage.data_stores.main import check_database_before_upgrade + + check_database_before_upgrade(cur, database_engine, config) + start_ver = current_version if not upgraded: start_ver += 1 |