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# Copyright 2021 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 logging
from http import HTTPStatus
from typing import TYPE_CHECKING, Tuple
from synapse.api.errors import SynapseError
from synapse.http.servlet import (
RestServlet,
assert_params_in_dict,
parse_json_object_from_request,
)
from synapse.http.site import SynapseRequest
from synapse.rest.admin._base import admin_patterns, assert_requester_is_admin
from synapse.types import JsonDict
if TYPE_CHECKING:
from synapse.server import HomeServer
logger = logging.getLogger(__name__)
class BackgroundUpdateEnabledRestServlet(RestServlet):
"""Allows temporarily disabling background updates"""
PATTERNS = admin_patterns("/background_updates/enabled$")
def __init__(self, hs: "HomeServer"):
self._auth = hs.get_auth()
self._data_stores = hs.get_datastores()
async def on_GET(self, request: SynapseRequest) -> Tuple[int, JsonDict]:
await assert_requester_is_admin(self._auth, request)
# We need to check that all configured databases have updates enabled.
# (They *should* all be in sync.)
enabled = all(db.updates.enabled for db in self._data_stores.databases)
return HTTPStatus.OK, {"enabled": enabled}
async def on_POST(self, request: SynapseRequest) -> Tuple[int, JsonDict]:
await assert_requester_is_admin(self._auth, request)
body = parse_json_object_from_request(request)
enabled = body.get("enabled", True)
if not isinstance(enabled, bool):
raise SynapseError(
HTTPStatus.BAD_REQUEST, "'enabled' parameter must be a boolean"
)
for db in self._data_stores.databases:
db.updates.enabled = enabled
# If we're re-enabling them ensure that we start the background
# process again.
if enabled:
db.updates.start_doing_background_updates()
return HTTPStatus.OK, {"enabled": enabled}
class BackgroundUpdateRestServlet(RestServlet):
"""Fetch information about background updates"""
PATTERNS = admin_patterns("/background_updates/status$")
def __init__(self, hs: "HomeServer"):
self._auth = hs.get_auth()
self._data_stores = hs.get_datastores()
async def on_GET(self, request: SynapseRequest) -> Tuple[int, JsonDict]:
await assert_requester_is_admin(self._auth, request)
# We need to check that all configured databases have updates enabled.
# (They *should* all be in sync.)
enabled = all(db.updates.enabled for db in self._data_stores.databases)
current_updates = {}
for db in self._data_stores.databases:
update = db.updates.get_current_update()
if not update:
continue
current_updates[db.name()] = {
"name": update.name,
"total_item_count": update.total_item_count,
"total_duration_ms": update.total_duration_ms,
"average_items_per_ms": update.average_items_per_ms(),
}
return HTTPStatus.OK, {"enabled": enabled, "current_updates": current_updates}
class BackgroundUpdateStartJobRestServlet(RestServlet):
"""Allows to start specific background updates"""
PATTERNS = admin_patterns("/background_updates/start_job$")
def __init__(self, hs: "HomeServer"):
self._auth = hs.get_auth()
self._store = hs.get_datastore()
async def on_POST(self, request: SynapseRequest) -> Tuple[int, JsonDict]:
await assert_requester_is_admin(self._auth, request)
body = parse_json_object_from_request(request)
assert_params_in_dict(body, ["job_name"])
job_name = body["job_name"]
if job_name == "populate_stats_process_rooms":
jobs = [
{
"update_name": "populate_stats_process_rooms",
"progress_json": "{}",
},
]
elif job_name == "regenerate_directory":
jobs = [
{
"update_name": "populate_user_directory_createtables",
"progress_json": "{}",
"depends_on": "",
},
{
"update_name": "populate_user_directory_process_rooms",
"progress_json": "{}",
"depends_on": "populate_user_directory_createtables",
},
{
"update_name": "populate_user_directory_process_users",
"progress_json": "{}",
"depends_on": "populate_user_directory_process_rooms",
},
{
"update_name": "populate_user_directory_cleanup",
"progress_json": "{}",
"depends_on": "populate_user_directory_process_users",
},
]
else:
raise SynapseError(HTTPStatus.BAD_REQUEST, "Invalid job_name")
try:
await self._store.db_pool.simple_insert_many(
table="background_updates",
values=jobs,
desc=f"admin_api_run_{job_name}",
)
except self._store.db_pool.engine.module.IntegrityError:
raise SynapseError(
HTTPStatus.BAD_REQUEST,
"Job %s is already in queue of background updates." % (job_name,),
)
self._store.db_pool.updates.start_doing_background_updates()
return HTTPStatus.OK, {}
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