forked from MirrorHub/synapse
Copy everything to backup
This commit is contained in:
Erik Johnston
parent
b77a13812c
commit
e283b555b1
5 changed files with 151 additions and 77 deletions
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@ -75,7 +75,9 @@ class ContentRepositoryConfig(Config):
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self.backup_media_store_path = config.get("backup_media_store_path")
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if self.backup_media_store_path:
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self.ensure_directory(self.backup_media_store_path)
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self.backup_media_store_path = self.ensure_directory(
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self.backup_media_store_path
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)
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self.synchronous_backup_media_store = config.get(
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"synchronous_backup_media_store", False
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@ -15,103 +15,134 @@
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import os
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import re
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import functools
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NEW_FORMAT_ID_RE = re.compile(r"^\d\d\d\d-\d\d-\d\d")
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def _wrap_in_base_path(func):
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"""Takes a function that returns a relative path and turns it into an
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absolute path based on the location of the primary media store
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"""
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@functools.wraps(func)
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def _wrapped(self, *args, **kwargs):
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path = func(self, *args, **kwargs)
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return os.path.join(self.primary_base_path, path)
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return _wrapped
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class MediaFilePaths(object):
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"""Describes where files are stored on disk.
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def __init__(self, base_path):
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self.base_path = base_path
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Most of the function have a `*_rel` variant which returns a file path that
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is relative to the base media store path. This is mainly used when we want
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to write to the backup media store (when one is configured)
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"""
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def default_thumbnail(self, default_top_level, default_sub_type, width,
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height, content_type, method):
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def __init__(self, primary_base_path):
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self.primary_base_path = primary_base_path
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def default_thumbnail_rel(self, default_top_level, default_sub_type, width,
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height, content_type, method):
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top_level_type, sub_type = content_type.split("/")
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file_name = "%i-%i-%s-%s-%s" % (
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width, height, top_level_type, sub_type, method
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)
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return os.path.join(
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self.base_path, "default_thumbnails", default_top_level,
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"default_thumbnails", default_top_level,
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default_sub_type, file_name
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)
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def local_media_filepath(self, media_id):
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default_thumbnail = _wrap_in_base_path(default_thumbnail_rel)
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def local_media_filepath_rel(self, media_id):
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return os.path.join(
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self.base_path, "local_content",
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"local_content",
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media_id[0:2], media_id[2:4], media_id[4:]
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)
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def local_media_thumbnail(self, media_id, width, height, content_type,
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method):
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local_media_filepath = _wrap_in_base_path(local_media_filepath_rel)
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def local_media_thumbnail_rel(self, media_id, width, height, content_type,
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method):
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top_level_type, sub_type = content_type.split("/")
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file_name = "%i-%i-%s-%s-%s" % (
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width, height, top_level_type, sub_type, method
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)
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return os.path.join(
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self.base_path, "local_thumbnails",
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"local_thumbnails",
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media_id[0:2], media_id[2:4], media_id[4:],
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file_name
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)
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def remote_media_filepath(self, server_name, file_id):
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local_media_thumbnail = _wrap_in_base_path(local_media_thumbnail_rel)
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def remote_media_filepath_rel(self, server_name, file_id):
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return os.path.join(
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self.base_path, "remote_content", server_name,
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"remote_content", server_name,
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file_id[0:2], file_id[2:4], file_id[4:]
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)
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def remote_media_thumbnail(self, server_name, file_id, width, height,
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content_type, method):
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remote_media_filepath = _wrap_in_base_path(remote_media_filepath_rel)
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def remote_media_thumbnail_rel(self, server_name, file_id, width, height,
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content_type, method):
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top_level_type, sub_type = content_type.split("/")
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file_name = "%i-%i-%s-%s" % (width, height, top_level_type, sub_type)
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return os.path.join(
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self.base_path, "remote_thumbnail", server_name,
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"remote_thumbnail", server_name,
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file_id[0:2], file_id[2:4], file_id[4:],
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file_name
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)
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remote_media_thumbnail = _wrap_in_base_path(remote_media_thumbnail_rel)
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def remote_media_thumbnail_dir(self, server_name, file_id):
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return os.path.join(
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self.base_path, "remote_thumbnail", server_name,
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"remote_thumbnail", server_name,
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file_id[0:2], file_id[2:4], file_id[4:],
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)
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def url_cache_filepath(self, media_id):
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def url_cache_filepath_rel(self, media_id):
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if NEW_FORMAT_ID_RE.match(media_id):
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# Media id is of the form <DATE><RANDOM_STRING>
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# E.g.: 2017-09-28-fsdRDt24DS234dsf
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return os.path.join(
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self.base_path, "url_cache",
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"url_cache",
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media_id[:10], media_id[11:]
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)
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else:
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return os.path.join(
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self.base_path, "url_cache",
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"url_cache",
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media_id[0:2], media_id[2:4], media_id[4:],
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)
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url_cache_filepath = _wrap_in_base_path(url_cache_filepath_rel)
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def url_cache_filepath_dirs_to_delete(self, media_id):
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"The dirs to try and remove if we delete the media_id file"
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if NEW_FORMAT_ID_RE.match(media_id):
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return [
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os.path.join(
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self.base_path, "url_cache",
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"url_cache",
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media_id[:10],
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),
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]
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else:
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return [
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os.path.join(
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self.base_path, "url_cache",
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"url_cache",
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media_id[0:2], media_id[2:4],
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),
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os.path.join(
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self.base_path, "url_cache",
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"url_cache",
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media_id[0:2],
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),
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]
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def url_cache_thumbnail(self, media_id, width, height, content_type,
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method):
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def url_cache_thumbnail_rel(self, media_id, width, height, content_type,
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method):
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# Media id is of the form <DATE><RANDOM_STRING>
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# E.g.: 2017-09-28-fsdRDt24DS234dsf
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@ -122,29 +153,31 @@ class MediaFilePaths(object):
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if NEW_FORMAT_ID_RE.match(media_id):
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return os.path.join(
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self.base_path, "url_cache_thumbnails",
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"url_cache_thumbnails",
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media_id[:10], media_id[11:],
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file_name
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)
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else:
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return os.path.join(
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self.base_path, "url_cache_thumbnails",
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"url_cache_thumbnails",
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media_id[0:2], media_id[2:4], media_id[4:],
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file_name
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)
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url_cache_thumbnail = _wrap_in_base_path(url_cache_thumbnail_rel)
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def url_cache_thumbnail_directory(self, media_id):
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# Media id is of the form <DATE><RANDOM_STRING>
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# E.g.: 2017-09-28-fsdRDt24DS234dsf
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if NEW_FORMAT_ID_RE.match(media_id):
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return os.path.join(
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self.base_path, "url_cache_thumbnails",
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"url_cache_thumbnails",
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media_id[:10], media_id[11:],
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)
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else:
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return os.path.join(
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self.base_path, "url_cache_thumbnails",
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"url_cache_thumbnails",
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media_id[0:2], media_id[2:4], media_id[4:],
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)
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@ -155,26 +188,26 @@ class MediaFilePaths(object):
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if NEW_FORMAT_ID_RE.match(media_id):
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return [
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os.path.join(
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self.base_path, "url_cache_thumbnails",
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"url_cache_thumbnails",
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media_id[:10], media_id[11:],
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),
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os.path.join(
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self.base_path, "url_cache_thumbnails",
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"url_cache_thumbnails",
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media_id[:10],
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),
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]
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else:
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return [
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os.path.join(
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self.base_path, "url_cache_thumbnails",
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"url_cache_thumbnails",
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media_id[0:2], media_id[2:4], media_id[4:],
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),
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os.path.join(
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self.base_path, "url_cache_thumbnails",
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"url_cache_thumbnails",
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media_id[0:2], media_id[2:4],
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),
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os.path.join(
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self.base_path, "url_cache_thumbnails",
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"url_cache_thumbnails",
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media_id[0:2],
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),
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]
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@ -60,10 +60,12 @@ class MediaRepository(object):
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self.max_upload_size = hs.config.max_upload_size
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self.max_image_pixels = hs.config.max_image_pixels
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self.filepaths = MediaFilePaths(hs.config.media_store_path)
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self.backup_filepaths = None
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self.primary_base_path = hs.config.media_store_path
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self.filepaths = MediaFilePaths(self.primary_base_path)
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self.backup_base_path = None
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if hs.config.backup_media_store_path:
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self.backup_filepaths = MediaFilePaths(hs.config.backup_media_store_path)
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self.backup_base_path = hs.config.backup_media_store_path
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self.synchronous_backup_media_store = hs.config.synchronous_backup_media_store
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@ -94,42 +96,63 @@ class MediaRepository(object):
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if not os.path.exists(dirname):
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os.makedirs(dirname)
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@defer.inlineCallbacks
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def _write_to_file(self, source, file_name_func):
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def write_file_thread(file_name):
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source.seek(0) # Ensure we read from the start of the file
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with open(file_name, "wb") as f:
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shutil.copyfileobj(source, f)
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@staticmethod
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def write_file_synchronously(source, fname):
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source.seek(0) # Ensure we read from the start of the file
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with open(fname, "wb") as f:
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shutil.copyfileobj(source, f)
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fname = file_name_func(self.filepaths)
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@defer.inlineCallbacks
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def write_to_file(self, source, path):
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"""Write `source` to the on disk media store, and also the backup store
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if configured.
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Args:
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source: A file like object that should be written
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path: Relative path to write file to
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Returns:
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string: the file path written to in the primary media store
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"""
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fname = os.path.join(self.primary_base_path, path)
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self._makedirs(fname)
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# Write to the main repository
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yield preserve_context_over_fn(threads.deferToThread, write_file_thread, fname)
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yield preserve_context_over_fn(
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threads.deferToThread,
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self.write_file_synchronously, source, fname,
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)
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# Write to backup repository
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if self.backup_filepaths:
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backup_fname = file_name_func(self.backup_filepaths)
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yield self.copy_to_backup(source, path)
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defer.returnValue(fname)
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@defer.inlineCallbacks
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def copy_to_backup(self, source, path):
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if self.backup_base_path:
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backup_fname = os.path.join(self.backup_base_path, path)
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self._makedirs(backup_fname)
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# We can either wait for successful writing to the backup repository
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# or write in the background and immediately return
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if self.synchronous_backup_media_store:
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yield preserve_context_over_fn(
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threads.deferToThread, write_file_thread, backup_fname,
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threads.deferToThread,
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self.write_file_synchronously, source, backup_fname,
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)
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else:
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preserve_fn(threads.deferToThread)(write_file_thread, backup_fname)
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defer.returnValue(fname)
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preserve_fn(threads.deferToThread)(
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self.write_file_synchronously, source, backup_fname,
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)
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@defer.inlineCallbacks
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def create_content(self, media_type, upload_name, content, content_length,
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auth_user):
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media_id = random_string(24)
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fname = yield self._write_to_file(
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content, lambda f: f.local_media_filepath(media_id)
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fname = yield self.write_to_file(
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content, self.filepaths.local_media_filepath_rel(media_id)
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)
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logger.info("Stored local media in file %r", fname)
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@ -180,9 +203,10 @@ class MediaRepository(object):
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def _download_remote_file(self, server_name, media_id):
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file_id = random_string(24)
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fname = self.filepaths.remote_media_filepath(
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fpath = self.filepaths.remote_media_filepath_rel(
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server_name, file_id
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)
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fname = os.path.join(self.primary_base_path, fpath)
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self._makedirs(fname)
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try:
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@ -224,6 +248,9 @@ class MediaRepository(object):
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server_name, media_id)
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raise SynapseError(502, "Failed to fetch remote media")
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with open(fname) as f:
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yield self.copy_to_backup(f, fpath)
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media_type = headers["Content-Type"][0]
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time_now_ms = self.clock.time_msec()
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@ -322,15 +349,15 @@ class MediaRepository(object):
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)
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if t_byte_source:
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output_path = yield self._write_to_file(
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output_path = yield self.write_to_file(
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t_byte_source,
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lambda f: f.local_media_thumbnail(
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self.filepaths.local_media_thumbnail_rel(
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media_id, t_width, t_height, t_type, t_method
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)
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)
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logger.info("Stored thumbnail in file %r", output_path)
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yield self.store.store_local_thumbnail(
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yield self.store.store_local_thumbnail_rel(
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media_id, t_width, t_height, t_type, t_method,
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len(t_byte_source.getvalue())
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)
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@ -350,15 +377,15 @@ class MediaRepository(object):
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)
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if t_byte_source:
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output_path = yield self._write_to_file(
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output_path = yield self.write_to_file(
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t_byte_source,
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lambda f: f.remote_media_thumbnail(
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self.filepaths.remote_media_thumbnail_rel(
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server_name, file_id, t_width, t_height, t_type, t_method
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)
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)
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logger.info("Stored thumbnail in file %r", output_path)
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yield self.store.store_remote_media_thumbnail(
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yield self.store.store_remote_media_thumbnail_rel(
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server_name, media_id, file_id,
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t_width, t_height, t_type, t_method, len(t_byte_source.getvalue())
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)
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@ -403,17 +430,16 @@ class MediaRepository(object):
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yield preserve_context_over_fn(threads.deferToThread, generate_thumbnails)
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for t_width, t_height, t_method, t_type, t_byte_source in local_thumbnails:
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def path_name_func(f):
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if url_cache:
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return f.url_cache_thumbnail(
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media_id, t_width, t_height, t_type, t_method
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)
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else:
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return f.local_media_thumbnail(
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media_id, t_width, t_height, t_type, t_method
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)
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if url_cache:
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file_path = self.filepaths.url_cache_thumbnail_rel(
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media_id, t_width, t_height, t_type, t_method
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)
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else:
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file_path = self.filepaths.local_media_thumbnail_rel(
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media_id, t_width, t_height, t_type, t_method
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)
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yield self._write_to_file(t_byte_source, path_name_func)
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yield self.write_to_file(t_byte_source, file_path)
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yield self.store.store_local_thumbnail(
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media_id, t_width, t_height, t_type, t_method,
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@ -460,12 +486,11 @@ class MediaRepository(object):
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yield preserve_context_over_fn(threads.deferToThread, generate_thumbnails)
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for t_width, t_height, t_method, t_type, t_byte_source in remote_thumbnails:
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def path_name_func(f):
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return f.remote_media_thumbnail(
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server_name, file_id, t_width, t_height, t_type, t_method
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)
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file_path = self.filepaths.remote_media_thumbnail_rel(
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server_name, file_id, t_width, t_height, t_type, t_method
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)
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yield self._write_to_file(t_byte_source, path_name_func)
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yield self.write_to_file(t_byte_source, file_path)
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||||
|
||||
yield self.store.store_remote_media_thumbnail(
|
||||
server_name, media_id, file_id,
|
||||
|
|
@ -491,6 +516,8 @@ class MediaRepository(object):
|
|||
|
||||
logger.info("Deleting: %r", key)
|
||||
|
||||
# TODO: Should we delete from the backup store
|
||||
|
||||
with (yield self.remote_media_linearizer.queue(key)):
|
||||
full_path = self.filepaths.remote_media_filepath(origin, file_id)
|
||||
try:
|
||||
|
|
|
|||
|
|
@ -59,6 +59,7 @@ class PreviewUrlResource(Resource):
|
|||
self.store = hs.get_datastore()
|
||||
self.client = SpiderHttpClient(hs)
|
||||
self.media_repo = media_repo
|
||||
self.primary_base_path = media_repo.primary_base_path
|
||||
|
||||
self.url_preview_url_blacklist = hs.config.url_preview_url_blacklist
|
||||
|
||||
|
|
@ -262,7 +263,8 @@ class PreviewUrlResource(Resource):
|
|||
|
||||
file_id = datetime.date.today().isoformat() + '_' + random_string(16)
|
||||
|
||||
fname = self.filepaths.url_cache_filepath(file_id)
|
||||
fpath = self.filepaths.url_cache_filepath_rel(file_id)
|
||||
fname = os.path.join(self.primary_base_path, fpath)
|
||||
self.media_repo._makedirs(fname)
|
||||
|
||||
try:
|
||||
|
|
@ -273,6 +275,9 @@ class PreviewUrlResource(Resource):
|
|||
)
|
||||
# FIXME: pass through 404s and other error messages nicely
|
||||
|
||||
with open(fname) as f:
|
||||
yield self.media_repo.copy_to_backup(f, fpath)
|
||||
|
||||
media_type = headers["Content-Type"][0]
|
||||
time_now_ms = self.clock.time_msec()
|
||||
|
||||
|
|
|
|||
|
|
@ -51,7 +51,11 @@ class Thumbnailer(object):
|
|||
return ((max_height * self.width) // self.height, max_height)
|
||||
|
||||
def scale(self, width, height, output_type):
|
||||
"""Rescales the image to the given dimensions"""
|
||||
"""Rescales the image to the given dimensions.
|
||||
|
||||
Returns:
|
||||
BytesIO: the bytes of the encoded image ready to be written to disk
|
||||
"""
|
||||
scaled = self.image.resize((width, height), Image.ANTIALIAS)
|
||||
return self._encode_image(scaled, output_type)
|
||||
|
||||
|
|
@ -65,6 +69,9 @@ class Thumbnailer(object):
|
|||
Args:
|
||||
max_width: The largest possible width.
|
||||
max_height: The larget possible height.
|
||||
|
||||
Returns:
|
||||
BytesIO: the bytes of the encoded image ready to be written to disk
|
||||
"""
|
||||
if width * self.height > height * self.width:
|
||||
scaled_height = (width * self.height) // self.width
|
||||
|
|
|
|||
Loading…
Reference in a new issue