feat(s3 region): added configurable s3 region.

vcsserver/lib/archive_cache/backends/objectstore_cache.py

@@ -1,170 +1,173 b''
 # Copyright (C) 2015-2024 RhodeCode GmbH
 #
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU Affero General Public License, version 3
 # (only), as published by the Free Software Foundation.
 #
 # This program is distributed in the hope that it will be useful,
 # but WITHOUT ANY WARRANTY; without even the implied warranty of
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 # GNU General Public License for more details.
 #
 # You should have received a copy of the GNU Affero General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #
 # This program is dual-licensed. If you wish to learn more about the
 # RhodeCode Enterprise Edition, including its added features, Support services,
 # and proprietary license terms, please see https://rhodecode.com/licenses/
 
 import codecs
 import hashlib
 import logging
 import os
 import typing
 
 import fsspec
 
 from .base import BaseCache, BaseShard
 from ..utils import ShardFileReader, NOT_GIVEN
 from ...type_utils import str2bool
 
 log = logging.getLogger(__name__)
 
 
 class S3Shard(BaseShard):
 
     def __init__(self, index, bucket, bucket_folder, fs, **settings):
         self._index: int = index
         self._bucket_folder: str = bucket_folder
         self.storage_type: str = 'bucket'
         self._bucket_main: str = bucket
 
         self.fs = fs
 
     @property
     def bucket(self) -> str:
         """Cache bucket final path."""
         return os.path.join(self._bucket_main, self._bucket_folder)
 
     def _get_keyfile(self, archive_key) -> tuple[str, str]:
         key_file: str = f'{archive_key}-{self.key_suffix}'
         return key_file, os.path.join(self.bucket, key_file)
 
     def _get_writer(self, path, mode):
         return self.fs.open(path, 'wb')
 
     def _write_file(self, full_path, iterator, mode):
 
         # ensure folder in bucket exists
         destination = self.bucket
         if not self.fs.exists(destination):
             self.fs.mkdir(destination, s3_additional_kwargs={})
 
         writer = self._get_writer(full_path, mode)
 
         digest = hashlib.sha256()
         with writer:
             size = 0
             for chunk in iterator:
                 size += len(chunk)
                 digest.update(chunk)
                 writer.write(chunk)
 
             sha256 = digest.hexdigest()
             log.debug('written new archive cache under %s, sha256: %s', full_path, sha256)
             return size, sha256
 
     def store(self, key, value_reader, metadata: dict | None = None):
         return self._store(key, value_reader, metadata, mode='wb')
 
     def fetch(self, key, retry=NOT_GIVEN,
               retry_attempts=NOT_GIVEN, retry_backoff=1,
               presigned_url_expires: int = 0) -> tuple[ShardFileReader, dict]:
         return self._fetch(key, retry, retry_attempts, retry_backoff, presigned_url_expires=presigned_url_expires)
 
     def remove(self, key):
         return self._remove(key)
 
     def random_filename(self):
         """Return filename and full-path tuple for file storage.
 
         Filename will be a randomly generated 28 character hexadecimal string
         with ".archive_cache" suffixed. Two levels of sub-directories will be used to
         reduce the size of directories. On older filesystems, lookups in
         directories with many files may be slow.
         """
 
         hex_name = codecs.encode(os.urandom(16), 'hex').decode('utf-8')
 
         archive_name = hex_name[4:] + '.archive_cache'
         filename = f"{hex_name[:2]}-{hex_name[2:4]}-{archive_name}"
 
         full_path = os.path.join(self.bucket, filename)
         return archive_name, full_path
 
     def __repr__(self):
         return f'{self.__class__.__name__}(index={self._index}, bucket={self.bucket})'
 
 
 class ObjectStoreCache(BaseCache):
     shard_name: str = 'shard-{:03d}'
     shard_cls = S3Shard
 
     def __init__(self, locking_url, **settings):
         """
         Initialize objectstore cache instance.
 
         :param str locking_url: redis url for a lock
         :param settings: settings dict
 
         """
         self._locking_url = locking_url
         self._config = settings
 
         objectstore_url = self.get_conf('archive_cache.objectstore.url')
         self._storage_path = objectstore_url  # common path for all from BaseCache
 
         self._shard_count = int(self.get_conf('archive_cache.objectstore.bucket_shards', pop=True))
         if self._shard_count < 1:
             raise ValueError('cache_shards must be 1 or more')
 
         self._bucket = settings.pop('archive_cache.objectstore.bucket')
         if not self._bucket:
             raise ValueError('archive_cache.objectstore.bucket needs to have a value')
 
         self._eviction_policy = self.get_conf('archive_cache.objectstore.eviction_policy', pop=True)
         self._cache_size_limit = self.gb_to_bytes(int(self.get_conf('archive_cache.objectstore.cache_size_gb')))
 
         self.retry = str2bool(self.get_conf('archive_cache.objectstore.retry', pop=True))
         self.retry_attempts = int(self.get_conf('archive_cache.objectstore.retry_attempts', pop=True))
         self.retry_backoff = int(self.get_conf('archive_cache.objectstore.retry_backoff', pop=True))
 
         endpoint_url = settings.pop('archive_cache.objectstore.url')
         key = settings.pop('archive_cache.objectstore.key')
         secret = settings.pop('archive_cache.objectstore.secret')
+        region = settings.pop('archive_cache.objectstore.region')
 
         log.debug('Initializing %s archival cache instance', self)
 
-        fs = fsspec.filesystem('s3', anon=False, endpoint_url=endpoint_url, key=key, secret=secret)
+        fs = fsspec.filesystem(
+            's3', anon=False, endpoint_url=endpoint_url, key=key, secret=secret, client_kwargs={'region_name': region}
+        )
 
         # init main bucket
         if not fs.exists(self._bucket):
             fs.mkdir(self._bucket)
 
         self._shards = tuple(
             self.shard_cls(
                 index=num,
                 bucket=self._bucket,
                 bucket_folder=self.shard_name.format(num),
                 fs=fs,
                 **settings,
             )
             for num in range(self._shard_count)
         )
         self._hash = self._shards[0].hash
 
     def _get_size(self, shard, archive_path):
         return shard.fs.info(archive_path)['size']
 
     def set_presigned_url_expiry(self, val: int) -> None:
         self.presigned_url_expires = val