# Copyright 1999-2021 Alibaba Group Holding Ltd.
#
# 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.
from typing import Dict, List
from ....lib.aio import alru_cache
from ....utils import serialize_serializable, deserialize_serializable
from ...web import web_api, MarsServiceWebAPIHandler, MarsWebAPIClientMixin
from .core import AbstractLifecycleAPI
class LifecycleWebAPIHandler(MarsServiceWebAPIHandler):
_root_pattern = '/api/session/(?P<session_id>[^/]+)/lifecycle'
@alru_cache(cache_exceptions=False)
async def _get_cluster_api(self):
from ...cluster import ClusterAPI
return await ClusterAPI.create(self._supervisor_addr)
@alru_cache(cache_exceptions=False)
async def _get_oscar_lifecycle_api(self, session_id: str):
from .oscar import LifecycleAPI
cluster_api = await self._get_cluster_api()
[address] = await cluster_api.get_supervisors_by_keys([session_id])
return await LifecycleAPI.create(session_id, address)
@web_api('', method='post', arg_filter={'action': 'decref_tileables'})
async def decref_tileables(self, session_id: str):
tileable_keys = self.get_argument('tileable_keys').split(',')
oscar_api = await self._get_oscar_lifecycle_api(session_id)
await oscar_api.decref_tileables(tileable_keys)
@web_api('', method='get', arg_filter={'action': 'get_all_chunk_ref_counts'})
async def get_all_chunk_ref_counts(self, session_id: str):
oscar_api = await self._get_oscar_lifecycle_api(session_id)
res = await oscar_api.get_all_chunk_ref_counts()
self.write(serialize_serializable(res))
web_handlers = {
LifecycleWebAPIHandler.get_root_pattern(): LifecycleWebAPIHandler
}
[docs]class WebLifecycleAPI(AbstractLifecycleAPI, MarsWebAPIClientMixin):
[docs] def __init__(self, session_id: str, address: str):
self._session_id = session_id
self._address = address.rstrip('/')
async def decref_tileables(self, tileable_keys: List[str]):
path = f'{self._address}/api/session/{self._session_id}/lifecycle'
params = dict(action='decref_tileables')
await self._request_url(
path=path, method='POST', params=params,
headers={'Content-Type': 'application/x-www-form-urlencoded'},
data='tileable_keys=' + ','.join(tileable_keys)
)
async def get_all_chunk_ref_counts(self) -> Dict[str, int]:
params = dict(action='get_all_chunk_ref_counts')
path = f'{self._address}/api/session/{self._session_id}/lifecycle'
res = await self._request_url('GET', path, params=params)
return deserialize_serializable(await res.read())