mirror of
https://github.com/element-hq/synapse
synced 2024-08-16 18:10:51 +00:00
Add StorageProvider concept
This commit is contained in:
parent
2442e9876c
commit
8f03aa9f61
3 changed files with 162 additions and 9 deletions
|
@ -27,6 +27,9 @@ from .identicon_resource import IdenticonResource
|
|||
from .preview_url_resource import PreviewUrlResource
|
||||
from .filepath import MediaFilePaths
|
||||
from .thumbnailer import Thumbnailer
|
||||
from .storage_provider import (
|
||||
StorageProviderWrapper, FileStorageProviderBackend,
|
||||
)
|
||||
from .media_storage import MediaStorage
|
||||
|
||||
from synapse.http.matrixfederationclient import MatrixFederationHttpClient
|
||||
|
@ -66,10 +69,6 @@ class MediaRepository(object):
|
|||
self.primary_base_path = hs.config.media_store_path
|
||||
self.filepaths = MediaFilePaths(self.primary_base_path)
|
||||
|
||||
self.backup_base_path = hs.config.backup_media_store_path
|
||||
|
||||
self.synchronous_backup_media_store = hs.config.synchronous_backup_media_store
|
||||
|
||||
self.dynamic_thumbnails = hs.config.dynamic_thumbnails
|
||||
self.thumbnail_requirements = hs.config.thumbnail_requirements
|
||||
|
||||
|
@ -77,7 +76,27 @@ class MediaRepository(object):
|
|||
|
||||
self.recently_accessed_remotes = set()
|
||||
|
||||
self.media_storage = MediaStorage(self.primary_base_path, self.filepaths)
|
||||
# List of StorageProvider's where we should search for media and
|
||||
# potentially upload to.
|
||||
self.storage_providers = []
|
||||
|
||||
# TODO: Move this into config and allow other storage providers to be
|
||||
# defined.
|
||||
if hs.config.backup_media_store_path:
|
||||
backend = FileStorageProviderBackend(
|
||||
self.primary_base_path, hs.config.backup_media_store_path,
|
||||
)
|
||||
provider = StorageProviderWrapper(
|
||||
backend,
|
||||
store=True,
|
||||
store_synchronous=hs.config.synchronous_backup_media_store,
|
||||
store_remote=True,
|
||||
)
|
||||
self.storage_providers.append(provider)
|
||||
|
||||
self.media_storage = MediaStorage(
|
||||
self.primary_base_path, self.filepaths, self.storage_providers,
|
||||
)
|
||||
|
||||
self.clock.looping_call(
|
||||
self._update_recently_accessed_remotes,
|
||||
|
|
|
@ -32,9 +32,10 @@ class MediaStorage(object):
|
|||
"""Responsible for storing/fetching files from local sources.
|
||||
"""
|
||||
|
||||
def __init__(self, local_media_directory, filepaths):
|
||||
def __init__(self, local_media_directory, filepaths, storage_providers):
|
||||
self.local_media_directory = local_media_directory
|
||||
self.filepaths = filepaths
|
||||
self.storage_providers = storage_providers
|
||||
|
||||
@defer.inlineCallbacks
|
||||
def store_file(self, source, file_info):
|
||||
|
@ -90,11 +91,12 @@ class MediaStorage(object):
|
|||
|
||||
finished_called = [False]
|
||||
|
||||
@defer.inlineCallbacks
|
||||
def finish():
|
||||
# This will be used later when we want to hit out to other storage
|
||||
# places
|
||||
for provider in self.storage_providers:
|
||||
yield provider.store_file(path, file_info)
|
||||
|
||||
finished_called[0] = True
|
||||
return defer.succeed(None)
|
||||
|
||||
try:
|
||||
with open(fname, "wb") as f:
|
||||
|
@ -127,6 +129,11 @@ class MediaStorage(object):
|
|||
if os.path.exists(local_path):
|
||||
defer.returnValue(FileResponder(open(local_path, "rb")))
|
||||
|
||||
for provider in self.storage_providers:
|
||||
res = yield provider.fetch(path, file_info)
|
||||
if res:
|
||||
defer.returnValue(res)
|
||||
|
||||
defer.returnValue(None)
|
||||
|
||||
def _file_info_to_path(self, file_info):
|
||||
|
|
127
synapse/rest/media/v1/storage_provider.py
Normal file
127
synapse/rest/media/v1/storage_provider.py
Normal file
|
@ -0,0 +1,127 @@
|
|||
# -*- coding: utf-8 -*-
|
||||
# Copyright 2018 New Vector 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 twisted.internet import defer, threads
|
||||
|
||||
from .media_storage import FileResponder
|
||||
|
||||
from synapse.util.logcontext import preserve_fn
|
||||
|
||||
import logging
|
||||
import os
|
||||
import shutil
|
||||
|
||||
|
||||
logger = logging.getLogger(__name__)
|
||||
|
||||
|
||||
class StorageProvider(object):
|
||||
"""A storage provider is a service that can store uploaded media and
|
||||
retrieve them.
|
||||
"""
|
||||
def store_file(self, path, file_info):
|
||||
"""Store the file described by file_info. The actual contents can be
|
||||
retrieved by reading the file in file_info.upload_path.
|
||||
|
||||
Args:
|
||||
path (str): Relative path of file in local cache
|
||||
file_info (FileInfo)
|
||||
|
||||
Returns:
|
||||
Deferred
|
||||
"""
|
||||
pass
|
||||
|
||||
def fetch(self, path, file_info):
|
||||
"""Attempt to fetch the file described by file_info and stream it
|
||||
into writer.
|
||||
|
||||
Args:
|
||||
path (str): Relative path of file in local cache
|
||||
file_info (FileInfo)
|
||||
|
||||
Returns:
|
||||
Deferred(Responder): Returns a Responder if the provider has the file,
|
||||
otherwise returns None.
|
||||
"""
|
||||
pass
|
||||
|
||||
|
||||
class StorageProviderWrapper(StorageProvider):
|
||||
"""Wraps a storage provider and provides various config options
|
||||
|
||||
Args:
|
||||
backend (StorageProvider)
|
||||
store (bool): Whether to store new files or not.
|
||||
store_synchronous (bool): Whether to wait for file to be successfully
|
||||
uploaded, or todo the upload in the backgroud.
|
||||
store_remote (bool): Whether remote media should be uploaded
|
||||
"""
|
||||
def __init__(self, backend, store, store_synchronous, store_remote):
|
||||
self.backend = backend
|
||||
self.store = store
|
||||
self.store_synchronous = store_synchronous
|
||||
self.store_remote = store_remote
|
||||
|
||||
def store_file(self, path, file_info):
|
||||
if not self.store:
|
||||
return defer.succeed(None)
|
||||
|
||||
if file_info.server_name and not self.store_remote:
|
||||
return defer.succeed(None)
|
||||
|
||||
if self.store_synchronous:
|
||||
return self.backend.store_file(path, file_info)
|
||||
else:
|
||||
# TODO: Handle errors.
|
||||
preserve_fn(self.backend.store_file)(path, file_info)
|
||||
return defer.succeed(None)
|
||||
|
||||
def fetch(self, path, file_info):
|
||||
return self.backend.fetch(path, file_info)
|
||||
|
||||
|
||||
class FileStorageProviderBackend(StorageProvider):
|
||||
"""A storage provider that stores files in a directory on a filesystem.
|
||||
|
||||
Args:
|
||||
cache_directory (str): Base path of the local media repository
|
||||
base_directory (str): Base path to store new files
|
||||
"""
|
||||
|
||||
def __init__(self, cache_directory, base_directory):
|
||||
self.cache_directory = cache_directory
|
||||
self.base_directory = base_directory
|
||||
|
||||
def store_file(self, path, file_info):
|
||||
"""See StorageProvider.store_file"""
|
||||
|
||||
primary_fname = os.path.join(self.cache_directory, path)
|
||||
backup_fname = os.path.join(self.base_directory, path)
|
||||
|
||||
dirname = os.path.dirname(backup_fname)
|
||||
if not os.path.exists(dirname):
|
||||
os.makedirs(dirname)
|
||||
|
||||
return threads.deferToThread(
|
||||
shutil.copyfile, primary_fname, backup_fname,
|
||||
)
|
||||
|
||||
def fetch(self, path, file_info):
|
||||
"""See StorageProvider.fetch"""
|
||||
|
||||
backup_fname = os.path.join(self.base_directory, path)
|
||||
if os.path.isfile(backup_fname):
|
||||
return FileResponder(open(backup_fname, "rb"))
|
Loading…
Reference in a new issue