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synapse/scripts/synapse_port_db

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#!/usr/bin/env python
# -*- coding: utf-8 -*-
# Copyright 2015, 2016 OpenMarket Ltd
# Copyright 2018 New Vector Ltd
# Copyright 2019 The Matrix.org Foundation C.I.C.
#
# 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.
import argparse
import curses
import logging
import sys
import time
import traceback
from six import string_types
import yaml
from twisted.enterprise import adbapi
from twisted.internet import defer, reactor
from synapse.config.database import DatabaseConnectionConfig
from synapse.config.homeserver import HomeServerConfig
from synapse.logging.context import PreserveLoggingContext
from synapse.storage._base import LoggingTransaction
from synapse.storage.data_stores.main.client_ips import ClientIpBackgroundUpdateStore
from synapse.storage.data_stores.main.deviceinbox import (
DeviceInboxBackgroundUpdateStore,
)
from synapse.storage.data_stores.main.devices import DeviceBackgroundUpdateStore
from synapse.storage.data_stores.main.events_bg_updates import (
EventsBackgroundUpdatesStore,
)
from synapse.storage.data_stores.main.media_repository import (
MediaRepositoryBackgroundUpdateStore,
)
from synapse.storage.data_stores.main.registration import (
RegistrationBackgroundUpdateStore,
)
from synapse.storage.data_stores.main.room import RoomBackgroundUpdateStore
from synapse.storage.data_stores.main.roommember import RoomMemberBackgroundUpdateStore
from synapse.storage.data_stores.main.search import SearchBackgroundUpdateStore
from synapse.storage.data_stores.main.state import MainStateBackgroundUpdateStore
from synapse.storage.data_stores.main.stats import StatsStore
from synapse.storage.data_stores.main.user_directory import (
UserDirectoryBackgroundUpdateStore,
)
from synapse.storage.data_stores.state.bg_updates import StateBackgroundUpdateStore
from synapse.storage.database import Database, make_conn
from synapse.storage.engines import create_engine
from synapse.storage.prepare_database import prepare_database
from synapse.util import Clock
logger = logging.getLogger("synapse_port_db")
BOOLEAN_COLUMNS = {
"events": ["processed", "outlier", "contains_url"],
"rooms": ["is_public"],
"event_edges": ["is_state"],
"presence_list": ["accepted"],
"presence_stream": ["currently_active"],
"public_room_list_stream": ["visibility"],
"devices": ["hidden"],
"device_lists_outbound_pokes": ["sent"],
"users_who_share_rooms": ["share_private"],
"groups": ["is_public"],
"group_rooms": ["is_public"],
"group_users": ["is_public", "is_admin"],
"group_summary_rooms": ["is_public"],
"group_room_categories": ["is_public"],
"group_summary_users": ["is_public"],
"group_roles": ["is_public"],
"local_group_membership": ["is_publicised", "is_admin"],
"e2e_room_keys": ["is_verified"],
"account_validity": ["email_sent"],
"redactions": ["have_censored"],
"room_stats_state": ["is_federatable"],
}
APPEND_ONLY_TABLES = [
"event_reference_hashes",
"events",
"event_json",
"state_events",
"room_memberships",
"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",
"event_search",
"presence_stream",
"push_rules_stream",
"ex_outlier_stream",
"cache_invalidation_stream",
"public_room_list_stream",
"state_group_edges",
"stream_ordering_to_exterm",
]
end_error_exec_info = None
class Store(
ClientIpBackgroundUpdateStore,
DeviceInboxBackgroundUpdateStore,
DeviceBackgroundUpdateStore,
EventsBackgroundUpdatesStore,
MediaRepositoryBackgroundUpdateStore,
RegistrationBackgroundUpdateStore,
RoomBackgroundUpdateStore,
RoomMemberBackgroundUpdateStore,
SearchBackgroundUpdateStore,
StateBackgroundUpdateStore,
MainStateBackgroundUpdateStore,
UserDirectoryBackgroundUpdateStore,
StatsStore,
):
def execute(self, f, *args, **kwargs):
return self.db.runInteraction(f.__name__, f, *args, **kwargs)
def execute_sql(self, sql, *args):
def r(txn):
txn.execute(sql, args)
return txn.fetchall()
return self.db.runInteraction("execute_sql", 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 Exception:
logger.exception("Failed to insert: %s", table)
raise
class MockHomeserver:
def __init__(self, config):
self.clock = Clock(reactor)
self.config = config
self.hostname = config.server_name
def get_clock(self):
return self.clock
def get_reactor(self):
return reactor
class Porter(object):
def __init__(self, **kwargs):
self.__dict__.update(kwargs)
@defer.inlineCallbacks
def setup_table(self, table):
if table in APPEND_ONLY_TABLES:
# It's safe to just carry on inserting.
row = yield self.postgres_store.db.simple_select_one(
table="port_from_sqlite3",
keyvalues={"table_name": table},
retcols=("forward_rowid", "backward_rowid"),
allow_none=True,
)
total_to_port = None
if row is None:
if table == "sent_transactions":
(
forward_chunk,
already_ported,
total_to_port,
) = yield self._setup_sent_transactions()
backward_chunk = 0
else:
yield self.postgres_store.db.simple_insert(
table="port_from_sqlite3",
values={
"table_name": table,
"forward_rowid": 1,
"backward_rowid": 0,
},
)
forward_chunk = 1
backward_chunk = 0
already_ported = 0
else:
forward_chunk = row["forward_rowid"]
backward_chunk = row["backward_rowid"]
if total_to_port is None:
already_ported, total_to_port = yield self._get_total_count_to_port(
table, forward_chunk, backward_chunk
)
else:
def delete_all(txn):
txn.execute(
"DELETE FROM port_from_sqlite3 WHERE table_name = %s", (table,)
)
txn.execute("TRUNCATE %s CASCADE" % (table,))
yield self.postgres_store.execute(delete_all)
yield self.postgres_store.db.simple_insert(
table="port_from_sqlite3",
values={"table_name": table, "forward_rowid": 1, "backward_rowid": 0},
)
forward_chunk = 1
backward_chunk = 0
already_ported, total_to_port = yield self._get_total_count_to_port(
table, forward_chunk, backward_chunk
)
defer.returnValue(
(table, already_ported, total_to_port, forward_chunk, backward_chunk)
)
@defer.inlineCallbacks
def handle_table(
self, table, postgres_size, table_size, forward_chunk, backward_chunk
):
logger.info(
"Table %s: %i/%i (rows %i-%i) already ported",
table,
postgres_size,
table_size,
backward_chunk + 1,
forward_chunk - 1,
)
if not table_size:
return
self.progress.add_table(table, postgres_size, table_size)
if table == "event_search":
yield self.handle_search_table(
postgres_size, table_size, forward_chunk, backward_chunk
)
return
if table in (
"user_directory",
"user_directory_search",
"users_who_share_rooms",
"users_in_pubic_room",
):
# We don't port these tables, as they're a faff and we can regenreate
# them anyway.
self.progress.update(table, table_size) # Mark table as done
return
if table == "user_directory_stream_pos":
# We need to make sure there is a single row, `(X, null), as that is
# what synapse expects to be there.
yield self.postgres_store.db.simple_insert(
table=table, values={"stream_id": None}
)
self.progress.update(table, table_size) # Mark table as done
return
forward_select = (
"SELECT rowid, * FROM %s WHERE rowid >= ? ORDER BY rowid LIMIT ?" % (table,)
)
backward_select = (
"SELECT rowid, * FROM %s WHERE rowid <= ? ORDER BY rowid LIMIT ?" % (table,)
)
do_forward = [True]
do_backward = [True]
while True:
def r(txn):
forward_rows = []
backward_rows = []
if do_forward[0]:
txn.execute(forward_select, (forward_chunk, self.batch_size))
forward_rows = txn.fetchall()
if not forward_rows:
do_forward[0] = False
if do_backward[0]:
txn.execute(backward_select, (backward_chunk, self.batch_size))
backward_rows = txn.fetchall()
if not backward_rows:
do_backward[0] = False
if forward_rows or backward_rows:
headers = [column[0] for column in txn.description]
else:
headers = None
return headers, forward_rows, backward_rows
headers, frows, brows = yield self.sqlite_store.db.runInteraction(
"select", r
)
if frows or brows:
if frows:
forward_chunk = max(row[0] for row in frows) + 1
if brows:
backward_chunk = min(row[0] for row in brows) - 1
rows = frows + brows
rows = self._convert_rows(table, headers, rows)
def insert(txn):
self.postgres_store.insert_many_txn(txn, table, headers[1:], rows)
self.postgres_store.db.simple_update_one_txn(
txn,
table="port_from_sqlite3",
keyvalues={"table_name": table},
updatevalues={
"forward_rowid": forward_chunk,
"backward_rowid": backward_chunk,
},
)
yield self.postgres_store.execute(insert)
postgres_size += len(rows)
self.progress.update(table, postgres_size)
else:
return
@defer.inlineCallbacks
def handle_search_table(
self, postgres_size, table_size, forward_chunk, backward_chunk
):
select = (
"SELECT es.rowid, es.*, e.origin_server_ts, e.stream_ordering"
" FROM event_search as es"
" INNER JOIN events AS e USING (event_id, room_id)"
" WHERE es.rowid >= ?"
" ORDER BY es.rowid LIMIT ?"
)
while True:
def r(txn):
txn.execute(select, (forward_chunk, self.batch_size))
rows = txn.fetchall()
headers = [column[0] for column in txn.description]
return headers, rows
headers, rows = yield self.sqlite_store.db.runInteraction("select", r)
if rows:
forward_chunk = rows[-1][0] + 1
# We have to treat event_search differently since it has a
# different structure in the two different databases.
def insert(txn):
sql = (
"INSERT INTO event_search (event_id, room_id, key,"
" sender, vector, origin_server_ts, stream_ordering)"
" VALUES (?,?,?,?,to_tsvector('english', ?),?,?)"
)
rows_dict = []
for row in rows:
d = dict(zip(headers, row))
if "\0" in d["value"]:
logger.warning("dropping search row %s", d)
else:
rows_dict.append(d)
txn.executemany(
sql,
[
(
row["event_id"],
row["room_id"],
row["key"],
row["sender"],
row["value"],
row["origin_server_ts"],
row["stream_ordering"],
)
for row in rows_dict
],
)
self.postgres_store.db.simple_update_one_txn(
txn,
table="port_from_sqlite3",
keyvalues={"table_name": "event_search"},
updatevalues={
"forward_rowid": forward_chunk,
"backward_rowid": backward_chunk,
},
)
yield self.postgres_store.execute(insert)
postgres_size += len(rows)
self.progress.update("event_search", postgres_size)
else:
return
def setup_db(self, db_config: DatabaseConnectionConfig, engine):
db_conn = make_conn(db_config, engine)
prepare_database(db_conn, engine, config=None)
db_conn.commit()
return db_conn
@defer.inlineCallbacks
def build_db_store(self, db_config: DatabaseConnectionConfig):
"""Builds and returns a database store using the provided configuration.
Args:
config: The database configuration
Returns:
The built Store object.
"""
self.progress.set_state("Preparing %s" % db_config.config["name"])
engine = create_engine(db_config.config)
conn = self.setup_db(db_config, engine)
hs = MockHomeserver(self.hs_config)
store = Store(Database(hs, db_config, engine), conn, hs)
yield store.db.runInteraction(
"%s_engine.check_database" % db_config.config["name"],
engine.check_database,
)
return store
@defer.inlineCallbacks
def run_background_updates_on_postgres(self):
# Manually apply all background updates on the PostgreSQL database.
postgres_ready = (
yield self.postgres_store.db.updates.has_completed_background_updates()
)
if not postgres_ready:
# Only say that we're running background updates when there are background
# updates to run.
self.progress.set_state("Running background updates on PostgreSQL")
while not postgres_ready:
yield self.postgres_store.db.updates.do_next_background_update(100)
postgres_ready = yield (
self.postgres_store.db.updates.has_completed_background_updates()
)
@defer.inlineCallbacks
def run(self):
try:
self.sqlite_store = yield self.build_db_store(
DatabaseConnectionConfig("master-sqlite", self.sqlite_config)
)
# Check if all background updates are done, abort if not.
updates_complete = (
yield self.sqlite_store.db.updates.has_completed_background_updates()
)
if not updates_complete:
sys.stderr.write(
"Pending background updates exist in the SQLite3 database."
" Please start Synapse again and wait until every update has finished"
" before running this script.\n"
)
defer.returnValue(None)
self.postgres_store = yield self.build_db_store(
self.hs_config.get_single_database()
)
yield 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:
yield self.postgres_store.db.runInteraction("alter_table", alter_table)
except Exception:
# On Error Resume Next
pass
yield self.postgres_store.db.runInteraction(
"create_port_table", create_port_table
)
# Step 2. Get tables.
self.progress.set_state("Fetching tables")
sqlite_tables = yield self.sqlite_store.db.simple_select_onecol(
table="sqlite_master", keyvalues={"type": "table"}, retcol="name"
)
postgres_tables = yield self.postgres_store.db.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 = yield defer.gatherResults(
[
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")
yield defer.gatherResults(
[self.handle_table(*res) for res in setup_res], consumeErrors=True
)
# Step 5. Do final post-processing
yield self._setup_state_group_id_seq()
self.progress.done()
except Exception:
global end_error_exec_info
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, string_types) 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
@defer.inlineCallbacks
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 = yield self.sqlite_store.db.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
)
yield 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 = yield self.sqlite_store.execute(get_start_id)
next_chunk = max(max_inserted_rowid + 1, next_chunk)
yield self.postgres_store.db.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 = yield self.sqlite_store.execute(get_sent_table_size)
total_count = remaining_count + inserted_rows
defer.returnValue((next_chunk, inserted_rows, total_count))
@defer.inlineCallbacks
def _get_remaining_count_to_port(self, table, forward_chunk, backward_chunk):
frows = yield self.sqlite_store.execute_sql(
"SELECT count(*) FROM %s WHERE rowid >= ?" % (table,), forward_chunk
)
brows = yield self.sqlite_store.execute_sql(
"SELECT count(*) FROM %s WHERE rowid <= ?" % (table,), backward_chunk
)
defer.returnValue(frows[0][0] + brows[0][0])
@defer.inlineCallbacks
def _get_already_ported_count(self, table):
rows = yield self.postgres_store.execute_sql(
"SELECT count(*) FROM %s" % (table,)
)
defer.returnValue(rows[0][0])
@defer.inlineCallbacks
def _get_total_count_to_port(self, table, forward_chunk, backward_chunk):
remaining, done = yield defer.gatherResults(
[
self._get_remaining_count_to_port(table, forward_chunk, backward_chunk),
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))
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.runInteraction("setup_state_group_id_seq", 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,
)
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)
sys.exit(5)
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