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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 typing import TYPE_CHECKING, Tuple
from synapse.api.errors import SynapseError
from synapse.http.servlet import RestServlet, parse_json_object_from_request
from synapse.http.site import SynapseRequest
from synapse.rest.admin._base import admin_patterns, assert_user_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.group_server = hs.get_groups_server_handler()
self.is_mine_id = hs.is_mine_id
self.auth = hs.get_auth()
self.data_stores = hs.get_datastores()
async def on_GET(self, request: SynapseRequest) -> Tuple[int, JsonDict]:
requester = await self.auth.get_user_by_req(request)
await assert_user_is_admin(self.auth, requester.user)
# 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 200, {"enabled": enabled}
async def on_POST(self, request: SynapseRequest) -> Tuple[int, JsonDict]:
requester = await self.auth.get_user_by_req(request)
await assert_user_is_admin(self.auth, requester.user)
body = parse_json_object_from_request(request)
enabled = body.get("enabled", True)
if not isinstance(enabled, bool):
raise SynapseError(400, "'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 200, {"enabled": enabled}
class BackgroundUpdateRestServlet(RestServlet):
"""Fetch information about background updates"""
PATTERNS = admin_patterns("/background_updates/status")
def __init__(self, hs: "HomeServer"):
self.group_server = hs.get_groups_server_handler()
self.is_mine_id = hs.is_mine_id
self.auth = hs.get_auth()
self.data_stores = hs.get_datastores()
async def on_GET(self, request: SynapseRequest) -> Tuple[int, JsonDict]:
requester = await self.auth.get_user_by_req(request)
await assert_user_is_admin(self.auth, requester.user)
# 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 200, {"enabled": enabled, "current_updates": current_updates}
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