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Move storage classes into a main "data store".

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This is in preparation for having multiple data stores that offer
different functionality, e.g. splitting out state or event storage.
This commit is contained in:
Erik Johnston 2019-10-21 12:56:42 +01:00
parent 1ee97cbd01
commit c66a06ac6b
266 changed files with 4509 additions and 4331 deletions
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504
synapse/storage/__init__.py
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@ -14,509 +14,7 @@
# See the License for the specific language governing permissions and
# limitations under the License.
import calendar
import logging
import time
from twisted.internet import defer
from synapse.api.constants import PresenceState
from synapse.storage.devices import DeviceStore
from synapse.storage.user_erasure_store import UserErasureStore
from synapse.util.caches.stream_change_cache import StreamChangeCache
from .account_data import AccountDataStore
from .appservice import ApplicationServiceStore, ApplicationServiceTransactionStore
from .client_ips import ClientIpStore
from .deviceinbox import DeviceInboxStore
from .directory import DirectoryStore
from .e2e_room_keys import EndToEndRoomKeyStore
from .end_to_end_keys import EndToEndKeyStore
from .engines import PostgresEngine
from .event_federation import EventFederationStore
from .event_push_actions import EventPushActionsStore
from .events import EventsStore
from .events_bg_updates import EventsBackgroundUpdatesStore
from .filtering import FilteringStore
from .group_server import GroupServerStore
from .keys import KeyStore
from .media_repository import MediaRepositoryStore
from .monthly_active_users import MonthlyActiveUsersStore
from .openid import OpenIdStore
from .presence import PresenceStore, UserPresenceState
from .profile import ProfileStore
from .push_rule import PushRuleStore
from .pusher import PusherStore
from .receipts import ReceiptsStore
from .registration import RegistrationStore
from .rejections import RejectionsStore
from .relations import RelationsStore
from .room import RoomStore
from .roommember import RoomMemberStore
from .search import SearchStore
from .signatures import SignatureStore
from .state import StateStore
from .stats import StatsStore
from .stream import StreamStore
from .tags import TagsStore
from .transactions import TransactionStore
from .user_directory import UserDirectoryStore
from .util.id_generators import ChainedIdGenerator, IdGenerator, StreamIdGenerator
logger = logging.getLogger(__name__)
class DataStore(
EventsBackgroundUpdatesStore,
RoomMemberStore,
RoomStore,
RegistrationStore,
StreamStore,
ProfileStore,
PresenceStore,
TransactionStore,
DirectoryStore,
KeyStore,
StateStore,
SignatureStore,
ApplicationServiceStore,
EventsStore,
EventFederationStore,
MediaRepositoryStore,
RejectionsStore,
FilteringStore,
PusherStore,
PushRuleStore,
ApplicationServiceTransactionStore,
ReceiptsStore,
EndToEndKeyStore,
EndToEndRoomKeyStore,
SearchStore,
TagsStore,
AccountDataStore,
EventPushActionsStore,
OpenIdStore,
ClientIpStore,
DeviceStore,
DeviceInboxStore,
UserDirectoryStore,
GroupServerStore,
UserErasureStore,
MonthlyActiveUsersStore,
StatsStore,
RelationsStore,
):
def __init__(self, db_conn, hs):
self.hs = hs
self._clock = hs.get_clock()
self.database_engine = hs.database_engine
self._stream_id_gen = StreamIdGenerator(
db_conn,
"events",
"stream_ordering",
extra_tables=[("local_invites", "stream_id")],
)
self._backfill_id_gen = StreamIdGenerator(
db_conn,
"events",
"stream_ordering",
step=-1,
extra_tables=[("ex_outlier_stream", "event_stream_ordering")],
)
self._presence_id_gen = StreamIdGenerator(
db_conn, "presence_stream", "stream_id"
)
self._device_inbox_id_gen = StreamIdGenerator(
db_conn, "device_max_stream_id", "stream_id"
)
self._public_room_id_gen = StreamIdGenerator(
db_conn, "public_room_list_stream", "stream_id"
)
self._device_list_id_gen = StreamIdGenerator(
db_conn, "device_lists_stream", "stream_id"
)
self._access_tokens_id_gen = IdGenerator(db_conn, "access_tokens", "id")
self._event_reports_id_gen = IdGenerator(db_conn, "event_reports", "id")
self._push_rule_id_gen = IdGenerator(db_conn, "push_rules", "id")
self._push_rules_enable_id_gen = IdGenerator(db_conn, "push_rules_enable", "id")
self._push_rules_stream_id_gen = ChainedIdGenerator(
self._stream_id_gen, db_conn, "push_rules_stream", "stream_id"
)
self._pushers_id_gen = StreamIdGenerator(
db_conn, "pushers", "id", extra_tables=[("deleted_pushers", "stream_id")]
)
self._group_updates_id_gen = StreamIdGenerator(
db_conn, "local_group_updates", "stream_id"
)
if isinstance(self.database_engine, PostgresEngine):
self._cache_id_gen = StreamIdGenerator(
db_conn, "cache_invalidation_stream", "stream_id"
)
else:
self._cache_id_gen = None
self._presence_on_startup = self._get_active_presence(db_conn)
presence_cache_prefill, min_presence_val = self._get_cache_dict(
db_conn,
"presence_stream",
entity_column="user_id",
stream_column="stream_id",
max_value=self._presence_id_gen.get_current_token(),
)
self.presence_stream_cache = StreamChangeCache(
"PresenceStreamChangeCache",
min_presence_val,
prefilled_cache=presence_cache_prefill,
)
max_device_inbox_id = self._device_inbox_id_gen.get_current_token()
device_inbox_prefill, min_device_inbox_id = self._get_cache_dict(
db_conn,
"device_inbox",
entity_column="user_id",
stream_column="stream_id",
max_value=max_device_inbox_id,
limit=1000,
)
self._device_inbox_stream_cache = StreamChangeCache(
"DeviceInboxStreamChangeCache",
min_device_inbox_id,
prefilled_cache=device_inbox_prefill,
)
# The federation outbox and the local device inbox uses the same
# stream_id generator.
device_outbox_prefill, min_device_outbox_id = self._get_cache_dict(
db_conn,
"device_federation_outbox",
entity_column="destination",
stream_column="stream_id",
max_value=max_device_inbox_id,
limit=1000,
)
self._device_federation_outbox_stream_cache = StreamChangeCache(
"DeviceFederationOutboxStreamChangeCache",
min_device_outbox_id,
prefilled_cache=device_outbox_prefill,
)
device_list_max = self._device_list_id_gen.get_current_token()
self._device_list_stream_cache = StreamChangeCache(
"DeviceListStreamChangeCache", device_list_max
)
self._device_list_federation_stream_cache = StreamChangeCache(
"DeviceListFederationStreamChangeCache", device_list_max
)
events_max = self._stream_id_gen.get_current_token()
curr_state_delta_prefill, min_curr_state_delta_id = self._get_cache_dict(
db_conn,
"current_state_delta_stream",
entity_column="room_id",
stream_column="stream_id",
max_value=events_max, # As we share the stream id with events token
limit=1000,
)
self._curr_state_delta_stream_cache = StreamChangeCache(
"_curr_state_delta_stream_cache",
min_curr_state_delta_id,
prefilled_cache=curr_state_delta_prefill,
)
_group_updates_prefill, min_group_updates_id = self._get_cache_dict(
db_conn,
"local_group_updates",
entity_column="user_id",
stream_column="stream_id",
max_value=self._group_updates_id_gen.get_current_token(),
limit=1000,
)
self._group_updates_stream_cache = StreamChangeCache(
"_group_updates_stream_cache",
min_group_updates_id,
prefilled_cache=_group_updates_prefill,
)
self._stream_order_on_start = self.get_room_max_stream_ordering()
self._min_stream_order_on_start = self.get_room_min_stream_ordering()
# Used in _generate_user_daily_visits to keep track of progress
self._last_user_visit_update = self._get_start_of_day()
super(DataStore, self).__init__(db_conn, hs)
def take_presence_startup_info(self):
active_on_startup = self._presence_on_startup
self._presence_on_startup = None
return active_on_startup
def _get_active_presence(self, db_conn):
"""Fetch non-offline presence from the database so that we can register
the appropriate time outs.
"""
sql = (
"SELECT user_id, state, last_active_ts, last_federation_update_ts,"
" last_user_sync_ts, status_msg, currently_active FROM presence_stream"
" WHERE state != ?"
)
sql = self.database_engine.convert_param_style(sql)
txn = db_conn.cursor()
txn.execute(sql, (PresenceState.OFFLINE,))
rows = self.cursor_to_dict(txn)
txn.close()
for row in rows:
row["currently_active"] = bool(row["currently_active"])
return [UserPresenceState(**row) for row in rows]
def count_daily_users(self):
"""
Counts the number of users who used this homeserver in the last 24 hours.
"""
yesterday = int(self._clock.time_msec()) - (1000 * 60 * 60 * 24)
return self.runInteraction("count_daily_users", self._count_users, yesterday)
def count_monthly_users(self):
"""
Counts the number of users who used this homeserver in the last 30 days.
Note this method is intended for phonehome metrics only and is different
from the mau figure in synapse.storage.monthly_active_users which,
amongst other things, includes a 3 day grace period before a user counts.
"""
thirty_days_ago = int(self._clock.time_msec()) - (1000 * 60 * 60 * 24 * 30)
return self.runInteraction(
"count_monthly_users", self._count_users, thirty_days_ago
)
def _count_users(self, txn, time_from):
"""
Returns number of users seen in the past time_from period
"""
sql = """
SELECT COALESCE(count(*), 0) FROM (
SELECT user_id FROM user_ips
WHERE last_seen > ?
GROUP BY user_id
) u
"""
txn.execute(sql, (time_from,))
count, = txn.fetchone()
return count
def count_r30_users(self):
"""
Counts the number of 30 day retained users, defined as:-
* Users who have created their accounts more than 30 days ago
* Where last seen at most 30 days ago
* Where account creation and last_seen are > 30 days apart
Returns counts globaly for a given user as well as breaking
by platform
"""
def _count_r30_users(txn):
thirty_days_in_secs = 86400 * 30
now = int(self._clock.time())
thirty_days_ago_in_secs = now - thirty_days_in_secs
sql = """
SELECT platform, COALESCE(count(*), 0) FROM (
SELECT
users.name, platform, users.creation_ts * 1000,
MAX(uip.last_seen)
FROM users
INNER JOIN (
SELECT
user_id,
last_seen,
CASE
WHEN user_agent LIKE '%%Android%%' THEN 'android'
WHEN user_agent LIKE '%%iOS%%' THEN 'ios'
WHEN user_agent LIKE '%%Electron%%' THEN 'electron'
WHEN user_agent LIKE '%%Mozilla%%' THEN 'web'
WHEN user_agent LIKE '%%Gecko%%' THEN 'web'
ELSE 'unknown'
END
AS platform
FROM user_ips
) uip
ON users.name = uip.user_id
AND users.appservice_id is NULL
AND users.creation_ts < ?
AND uip.last_seen/1000 > ?
AND (uip.last_seen/1000) - users.creation_ts > 86400 * 30
GROUP BY users.name, platform, users.creation_ts
) u GROUP BY platform
"""
results = {}
txn.execute(sql, (thirty_days_ago_in_secs, thirty_days_ago_in_secs))
for row in txn:
if row[0] == "unknown":
pass
results[row[0]] = row[1]
sql = """
SELECT COALESCE(count(*), 0) FROM (
SELECT users.name, users.creation_ts * 1000,
MAX(uip.last_seen)
FROM users
INNER JOIN (
SELECT
user_id,
last_seen
FROM user_ips
) uip
ON users.name = uip.user_id
AND appservice_id is NULL
AND users.creation_ts < ?
AND uip.last_seen/1000 > ?
AND (uip.last_seen/1000) - users.creation_ts > 86400 * 30
GROUP BY users.name, users.creation_ts
) u
"""
txn.execute(sql, (thirty_days_ago_in_secs, thirty_days_ago_in_secs))
count, = txn.fetchone()
results["all"] = count
return results
return self.runInteraction("count_r30_users", _count_r30_users)
def _get_start_of_day(self):
"""
Returns millisecond unixtime for start of UTC day.
"""
now = time.gmtime()
today_start = calendar.timegm((now.tm_year, now.tm_mon, now.tm_mday, 0, 0, 0))
return today_start * 1000
def generate_user_daily_visits(self):
"""
Generates daily visit data for use in cohort/ retention analysis
"""
def _generate_user_daily_visits(txn):
logger.info("Calling _generate_user_daily_visits")
today_start = self._get_start_of_day()
a_day_in_milliseconds = 24 * 60 * 60 * 1000
now = self.clock.time_msec()
sql = """
INSERT INTO user_daily_visits (user_id, device_id, timestamp)
SELECT u.user_id, u.device_id, ?
FROM user_ips AS u
LEFT JOIN (
SELECT user_id, device_id, timestamp FROM user_daily_visits
WHERE timestamp = ?
) udv
ON u.user_id = udv.user_id AND u.device_id=udv.device_id
INNER JOIN users ON users.name=u.user_id
WHERE last_seen > ? AND last_seen <= ?
AND udv.timestamp IS NULL AND users.is_guest=0
AND users.appservice_id IS NULL
GROUP BY u.user_id, u.device_id
"""
# This means that the day has rolled over but there could still
# be entries from the previous day. There is an edge case
# where if the user logs in at 23:59 and overwrites their
# last_seen at 00:01 then they will not be counted in the
# previous day's stats - it is important that the query is run
# often to minimise this case.
if today_start > self._last_user_visit_update:
yesterday_start = today_start - a_day_in_milliseconds
txn.execute(
sql,
(
yesterday_start,
yesterday_start,
self._last_user_visit_update,
today_start,
),
)
self._last_user_visit_update = today_start
txn.execute(
sql, (today_start, today_start, self._last_user_visit_update, now)
)
# Update _last_user_visit_update to now. The reason to do this
# rather just clamping to the beginning of the day is to limit
# the size of the join - meaning that the query can be run more
# frequently
self._last_user_visit_update = now
return self.runInteraction(
"generate_user_daily_visits", _generate_user_daily_visits
)
def get_users(self):
"""Function to reterive a list of users in users table.
Args:
Returns:
defer.Deferred: resolves to list[dict[str, Any]]
"""
return self._simple_select_list(
table="users",
keyvalues={},
retcols=["name", "password_hash", "is_guest", "admin", "user_type"],
desc="get_users",
)
@defer.inlineCallbacks
def get_users_paginate(self, order, start, limit):
"""Function to reterive a paginated list of users from
users list. This will return a json object, which contains
list of users and the total number of users in users table.
Args:
order (str): column name to order the select by this column
start (int): start number to begin the query from
limit (int): number of rows to reterive
Returns:
defer.Deferred: resolves to json object {list[dict[str, Any]], count}
"""
users = yield self.runInteraction(
"get_users_paginate",
self._simple_select_list_paginate_txn,
table="users",
keyvalues={"is_guest": False},
orderby=order,
start=start,
limit=limit,
retcols=["name", "password_hash", "is_guest", "admin", "user_type"],
)
count = yield self.runInteraction("get_users_paginate", self.get_user_count_txn)
retval = {"users": users, "total": count}
return retval
def search_users(self, term):
"""Function to search users list for one or more users with
the matched term.
Args:
term (str): search term
col (str): column to query term should be matched to
Returns:
defer.Deferred: resolves to list[dict[str, Any]]
"""
return self._simple_search_list(
table="users",
term=term,
col="name",
retcols=["name", "password_hash", "is_guest", "admin", "user_type"],
desc="search_users",
)
from synapse.storage.data_stores.main import DataStore # noqa: F401
def are_all_users_on_domain(txn, database_engine, domain):