Description of S3 configuration options

Configuration option = Default value	Description
[glance_store]
s3_store_access_key = None	(StrOpt) The S3 query token access key.
s3_store_bucket = None	(StrOpt) The S3 bucket to be used to store the Glance data.
s3_store_bucket_url_format = subdomain	(StrOpt) The S3 calling format used to determine the bucket. Either subdomain or path can be used.
s3_store_create_bucket_on_put = False	(BoolOpt) A boolean to determine if the S3 bucket should be created on upload if it does not exist or if an error should be returned to the user.
s3_store_enable_proxy = False	(BoolOpt) Enable the use of a proxy.
s3_store_host = None	(StrOpt) The host where the S3 server is listening.
s3_store_large_object_chunk_size = 10	(IntOpt) What multipart upload part size, in MB, should S3 use when uploading parts. The size must be greater than or equal to 5M.
s3_store_large_object_size = 100	(IntOpt) What size, in MB, should S3 start chunking image files and do a multipart upload in S3.
s3_store_object_buffer_dir = None	(StrOpt) The local directory where uploads will be staged before they are transferred into S3.
s3_store_proxy_host = None	(StrOpt) Address or hostname for the proxy server.
s3_store_proxy_password = None	(StrOpt) The password to use when connecting over a proxy.
s3_store_proxy_port = 8080	(IntOpt) The port to use when connecting over a proxy.
s3_store_proxy_user = None	(StrOpt) The username to connect to the proxy.
s3_store_secret_key = None	(StrOpt) The S3 query token secret key.
s3_store_thread_pools = 10	(IntOpt) The number of thread pools to perform a multipart upload in S3.