Support s3 address style config (#835)

Co-authored-by: mu <[email protected]>

medusa-example.ini

@@ -128,6 +128,11 @@ use_sudo_for_restore = True
 ; Enabling this is not yet supported - we don't have a good way to configure paths to custom certificates.
 ; ssl_verify = False
 
+; addressing style of s3
+; S3 supports two different ways to address a bucket, Virtual Host Style and Path Style.
+; you can choose from auto/path/virtual
+;s3_addressing_style = auto
+
 ;aws_cli_path = <Location of the aws cli binary if not in PATH>
 
 ; Read timeout in seconds for the storage provider. Not set by default.

medusa/config.py

@@ -32,7 +32,7 @@
      'base_path', 'max_backup_age', 'max_backup_count', 'api_profile', 'transfer_max_bandwidth',
      'concurrent_transfers', 'multi_part_upload_threshold', 'multipart_chunksize', 'host', 'region', 'port', 'secure',
      'ssl_verify', 'aws_cli_path', 'kms_id', 'backup_grace_period_in_days', 'use_sudo_for_restore', 'k8s_mode',
-     'read_timeout']
+     'read_timeout', 's3_addressing_style']
 )
 
 CassandraConfig = collections.namedtuple(
@@ -120,7 +120,8 @@ def _build_default_config():
         'backup_grace_period_in_days': 10,
         'use_sudo_for_restore': 'True',
         'multipart_chunksize': '50MB',
-        'read_timeout': 60
+        'read_timeout': 60,
+        's3_addressing_style': 'auto',
     }
 
     config['logging'] = {

medusa/storage/s3_base_storage.py

@@ -140,6 +140,7 @@ def connect(self):
             tcp_keepalive=True,
             max_pool_connections=max_pool_size,
             read_timeout=self.read_timeout,
+            s3={'addressing_style': self.config.s3_addressing_style},
         )
         if self.credentials.access_key_id is not None:
             self.s3_client = boto3.client(