ceph/doc/radosgw/s3/bucketops.rst

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===================
Bucket Operations
===================
PUT Bucket
----------
Creates a new bucket. To create a bucket, you must have a user ID and a valid AWS Access Key ID to authenticate requests. You may not
create buckets as an anonymous user.
.. note:: We do not support request entities for ``PUT /{bucket}`` in this release.
Constraints
~~~~~~~~~~~
In general, bucket names should follow domain name constraints.
- Bucket names must be unique.
- Bucket names must begin and end with a lowercase letter.
- Bucket names may contain a dash (-).
Syntax
~~~~~~
::
PUT /{bucket} HTTP/1.1
Host: cname.domain.com
x-amz-acl: public-read-write
Authorization: AWS {access-key}:{hash-of-header-and-secret}
Parameters
~~~~~~~~~~
+---------------+----------------------+-----------------------------------------------------------------------------+------------+
| Name | Description | Valid Values | Required |
+===============+======================+=============================================================================+============+
| ``x-amz-acl`` | Canned ACLs. | ``private``, ``public-read``, ``public-read-write``, ``authenticated-read`` | No |
+---------------+----------------------+-----------------------------------------------------------------------------+------------+
HTTP Response
~~~~~~~~~~~~~
If the bucket name is unique, within constraints and unused, the operation will succeed.
If a bucket with the same name already exists and the user is the bucket owner, the operation will succeed.
If the bucket name is already in use, the operation will fail.
+---------------+-----------------------+----------------------------------------------------------+
| HTTP Status | Status Code | Description |
+===============+=======================+==========================================================+
| ``409`` | BucketAlreadyExists | Bucket already exists under different user's ownership. |
+---------------+-----------------------+----------------------------------------------------------+
DELETE Bucket
-------------
Deletes a bucket. You can reuse bucket names following a successful bucket removal.
Syntax
~~~~~~
::
DELETE /{bucket} HTTP/1.1
Host: cname.domain.com
Authorization: AWS {access-key}:{hash-of-header-and-secret}
HTTP Response
~~~~~~~~~~~~~
+---------------+---------------+------------------+
| HTTP Status | Status Code | Description |
+===============+===============+==================+
| ``204`` | No Content | Bucket removed. |
+---------------+---------------+------------------+
GET Bucket
----------
Returns a list of bucket objects.
Syntax
~~~~~~
::
GET /{bucket}?max-keys=25 HTTP/1.1
Host: cname.domain.com
Parameters
~~~~~~~~~~
+---------------------+-----------+-------------------------------------------------------------------------------------------------+
| Name | Type | Description |
+=====================+===========+=================================================================================================+
| ``prefix`` | String | Only returns objects that contain the specified prefix. |
+---------------------+-----------+-------------------------------------------------------------------------------------------------+
| ``delimiter`` | String | The delimiter between the prefix and the rest of the object name. |
+---------------------+-----------+-------------------------------------------------------------------------------------------------+
| ``marker`` | String | A beginning index for the list of objects returned. |
+---------------------+-----------+-------------------------------------------------------------------------------------------------+
| ``max-keys`` | Integer | The maximum number of keys to return. Default is 1000. |
+---------------------+-----------+-------------------------------------------------------------------------------------------------+
| ``allow-unordered`` | Boolean | Non-standard extension. Allows results to be returned unordered. Cannot be used with delimiter. |
+---------------------+-----------+-------------------------------------------------------------------------------------------------+
HTTP Response
~~~~~~~~~~~~~
+---------------+---------------+--------------------+
| HTTP Status | Status Code | Description |
+===============+===============+====================+
| ``200`` | OK | Buckets retrieved |
+---------------+---------------+--------------------+
Bucket Response Entities
~~~~~~~~~~~~~~~~~~~~~~~~
``GET /{bucket}`` returns a container for buckets with the following fields.
+------------------------+-----------+----------------------------------------------------------------------------------+
| Name | Type | Description |
+========================+===========+==================================================================================+
| ``ListBucketResult`` | Entity | The container for the list of objects. |
+------------------------+-----------+----------------------------------------------------------------------------------+
| ``Name`` | String | The name of the bucket whose contents will be returned. |
+------------------------+-----------+----------------------------------------------------------------------------------+
| ``Prefix`` | String | A prefix for the object keys. |
+------------------------+-----------+----------------------------------------------------------------------------------+
| ``Marker`` | String | A beginning index for the list of objects returned. |
+------------------------+-----------+----------------------------------------------------------------------------------+
| ``MaxKeys`` | Integer | The maximum number of keys returned. |
+------------------------+-----------+----------------------------------------------------------------------------------+
| ``Delimiter`` | String | If set, objects with the same prefix will appear in the ``CommonPrefixes`` list. |
+------------------------+-----------+----------------------------------------------------------------------------------+
| ``IsTruncated`` | Boolean | If ``true``, only a subset of the bucket's contents were returned. |
+------------------------+-----------+----------------------------------------------------------------------------------+
| ``CommonPrefixes`` | Container | If multiple objects contain the same prefix, they will appear in this list. |
+------------------------+-----------+----------------------------------------------------------------------------------+
Object Response Entities
~~~~~~~~~~~~~~~~~~~~~~~~
The ``ListBucketResult`` contains objects, where each object is within a ``Contents`` container.
+------------------------+-----------+------------------------------------------+
| Name | Type | Description |
+========================+===========+==========================================+
| ``Contents`` | Object | A container for the object. |
+------------------------+-----------+------------------------------------------+
| ``Key`` | String | The object's key. |
+------------------------+-----------+------------------------------------------+
| ``LastModified`` | Date | The object's last-modified date/time. |
+------------------------+-----------+------------------------------------------+
| ``ETag`` | String | An MD-5 hash of the object. (entity tag) |
+------------------------+-----------+------------------------------------------+
| ``Size`` | Integer | The object's size. |
+------------------------+-----------+------------------------------------------+
| ``StorageClass`` | String | Should always return ``STANDARD``. |
+------------------------+-----------+------------------------------------------+
| ``Type`` | String | ``Appendable`` or ``Normal``. |
+------------------------+-----------+------------------------------------------+
Get Bucket Location
-------------------
Retrieves the bucket's region. The user needs to be the bucket owner
to call this. A bucket can be constrained to a region by providing
``LocationConstraint`` during a PUT request.
Syntax
~~~~~~
Add the ``location`` subresource to bucket resource as shown below
::
GET /{bucket}?location HTTP/1.1
Host: cname.domain.com
Authorization: AWS {access-key}:{hash-of-header-and-secret}
Response Entities
~~~~~~~~~~~~~~~~~~~~~~~~
+------------------------+-----------+------------------------------------------+
| Name | Type | Description |
+========================+===========+==========================================+
| ``LocationConstraint`` | String | The region where bucket resides, empty |
| | | string for default region |
+------------------------+-----------+------------------------------------------+
Get Bucket ACL
--------------
Retrieves the bucket access control list. The user needs to be the bucket
owner or to have been granted ``READ_ACP`` permission on the bucket.
Syntax
~~~~~~
Add the ``acl`` subresource to the bucket request as shown below.
::
GET /{bucket}?acl HTTP/1.1
Host: cname.domain.com
Authorization: AWS {access-key}:{hash-of-header-and-secret}
Response Entities
~~~~~~~~~~~~~~~~~
+---------------------------+-------------+----------------------------------------------------------------------------------------------+
| Name | Type | Description |
+===========================+=============+==============================================================================================+
| ``AccessControlPolicy`` | Container | A container for the response. |
+---------------------------+-------------+----------------------------------------------------------------------------------------------+
| ``AccessControlList`` | Container | A container for the ACL information. |
+---------------------------+-------------+----------------------------------------------------------------------------------------------+
| ``Owner`` | Container | A container for the bucket owner's ``ID`` and ``DisplayName``. |
+---------------------------+-------------+----------------------------------------------------------------------------------------------+
| ``ID`` | String | The bucket owner's ID. |
+---------------------------+-------------+----------------------------------------------------------------------------------------------+
| ``DisplayName`` | String | The bucket owner's display name. |
+---------------------------+-------------+----------------------------------------------------------------------------------------------+
| ``Grant`` | Container | A container for ``Grantee`` and ``Permission``. |
+---------------------------+-------------+----------------------------------------------------------------------------------------------+
| ``Grantee`` | Container | A container for the ``DisplayName`` and ``ID`` of the user receiving a grant of permission. |
+---------------------------+-------------+----------------------------------------------------------------------------------------------+
| ``Permission`` | String | The permission given to the ``Grantee`` bucket. |
+---------------------------+-------------+----------------------------------------------------------------------------------------------+
PUT Bucket ACL
--------------
Sets an access control to an existing bucket. The user needs to be the bucket
owner or to have been granted ``WRITE_ACP`` permission on the bucket.
Syntax
~~~~~~
Add the ``acl`` subresource to the bucket request as shown below.
::
PUT /{bucket}?acl HTTP/1.1
Request Entities
~~~~~~~~~~~~~~~~
+---------------------------+-------------+----------------------------------------------------------------------------------------------+
| Name | Type | Description |
+===========================+=============+==============================================================================================+
| ``AccessControlPolicy`` | Container | A container for the request. |
+---------------------------+-------------+----------------------------------------------------------------------------------------------+
| ``AccessControlList`` | Container | A container for the ACL information. |
+---------------------------+-------------+----------------------------------------------------------------------------------------------+
| ``Owner`` | Container | A container for the bucket owner's ``ID`` and ``DisplayName``. |
+---------------------------+-------------+----------------------------------------------------------------------------------------------+
| ``ID`` | String | The bucket owner's ID. |
+---------------------------+-------------+----------------------------------------------------------------------------------------------+
| ``DisplayName`` | String | The bucket owner's display name. |
+---------------------------+-------------+----------------------------------------------------------------------------------------------+
| ``Grant`` | Container | A container for ``Grantee`` and ``Permission``. |
+---------------------------+-------------+----------------------------------------------------------------------------------------------+
| ``Grantee`` | Container | A container for the ``DisplayName`` and ``ID`` of the user receiving a grant of permission. |
+---------------------------+-------------+----------------------------------------------------------------------------------------------+
| ``Permission`` | String | The permission given to the ``Grantee`` bucket. |
+---------------------------+-------------+----------------------------------------------------------------------------------------------+
List Bucket Multipart Uploads
-----------------------------
``GET /?uploads`` returns a list of the current in-progress multipart uploads--i.e., the application initiates a multipart upload, but
the service hasn't completed all the uploads yet.
Syntax
~~~~~~
::
GET /{bucket}?uploads HTTP/1.1
Parameters
~~~~~~~~~~
You may specify parameters for ``GET /{bucket}?uploads``, but none of them are required.
+------------------------+-----------+--------------------------------------------------------------------------------------+
| Name | Type | Description |
+========================+===========+======================================================================================+
| ``prefix`` | String | Returns in-progress uploads whose keys contains the specified prefix. |
+------------------------+-----------+--------------------------------------------------------------------------------------+
| ``delimiter`` | String | The delimiter between the prefix and the rest of the object name. |
+------------------------+-----------+--------------------------------------------------------------------------------------+
| ``key-marker`` | String | The beginning marker for the list of uploads. |
+------------------------+-----------+--------------------------------------------------------------------------------------+
| ``max-keys`` | Integer | The maximum number of in-progress uploads. The default is 1000. |
+------------------------+-----------+--------------------------------------------------------------------------------------+
| ``max-uploads`` | Integer | The maximum number of multipart uploads. The range from 1-1000. The default is 1000. |
+------------------------+-----------+--------------------------------------------------------------------------------------+
| ``upload-id-marker`` | String | Ignored if ``key-marker`` is not specified. Specifies the ``ID`` of first |
| | | upload to list in lexicographical order at or following the ``ID``. |
+------------------------+-----------+--------------------------------------------------------------------------------------+
Response Entities
~~~~~~~~~~~~~~~~~
+-----------------------------------------+-------------+----------------------------------------------------------------------------------------------------------+
| Name | Type | Description |
+=========================================+=============+==========================================================================================================+
| ``ListMultipartUploadsResult`` | Container | A container for the results. |
+-----------------------------------------+-------------+----------------------------------------------------------------------------------------------------------+
| ``ListMultipartUploadsResult.Prefix`` | String | The prefix specified by the ``prefix`` request parameter (if any). |
+-----------------------------------------+-------------+----------------------------------------------------------------------------------------------------------+
| ``Bucket`` | String | The bucket that will receive the bucket contents. |
+-----------------------------------------+-------------+----------------------------------------------------------------------------------------------------------+
| ``KeyMarker`` | String | The key marker specified by the ``key-marker`` request parameter (if any). |
+-----------------------------------------+-------------+----------------------------------------------------------------------------------------------------------+
| ``UploadIdMarker`` | String | The marker specified by the ``upload-id-marker`` request parameter (if any). |
+-----------------------------------------+-------------+----------------------------------------------------------------------------------------------------------+
| ``NextKeyMarker`` | String | The key marker to use in a subsequent request if ``IsTruncated`` is ``true``. |
+-----------------------------------------+-------------+----------------------------------------------------------------------------------------------------------+
| ``NextUploadIdMarker`` | String | The upload ID marker to use in a subsequent request if ``IsTruncated`` is ``true``. |
+-----------------------------------------+-------------+----------------------------------------------------------------------------------------------------------+
| ``MaxUploads`` | Integer | The max uploads specified by the ``max-uploads`` request parameter. |
+-----------------------------------------+-------------+----------------------------------------------------------------------------------------------------------+
| ``Delimiter`` | String | If set, objects with the same prefix will appear in the ``CommonPrefixes`` list. |
+-----------------------------------------+-------------+----------------------------------------------------------------------------------------------------------+
| ``IsTruncated`` | Boolean | If ``true``, only a subset of the bucket's upload contents were returned. |
+-----------------------------------------+-------------+----------------------------------------------------------------------------------------------------------+
| ``Upload`` | Container | A container for ``Key``, ``UploadId``, ``InitiatorOwner``, ``StorageClass``, and ``Initiated`` elements. |
+-----------------------------------------+-------------+----------------------------------------------------------------------------------------------------------+
| ``Key`` | String | The key of the object once the multipart upload is complete. |
+-----------------------------------------+-------------+----------------------------------------------------------------------------------------------------------+
| ``UploadId`` | String | The ``ID`` that identifies the multipart upload. |
+-----------------------------------------+-------------+----------------------------------------------------------------------------------------------------------+
| ``Initiator`` | Container | Contains the ``ID`` and ``DisplayName`` of the user who initiated the upload. |
+-----------------------------------------+-------------+----------------------------------------------------------------------------------------------------------+
| ``DisplayName`` | String | The initiator's display name. |
+-----------------------------------------+-------------+----------------------------------------------------------------------------------------------------------+
| ``ID`` | String | The initiator's ID. |
+-----------------------------------------+-------------+----------------------------------------------------------------------------------------------------------+
| ``Owner`` | Container | A container for the ``ID`` and ``DisplayName`` of the user who owns the uploaded object. |
+-----------------------------------------+-------------+----------------------------------------------------------------------------------------------------------+
| ``StorageClass`` | String | The method used to store the resulting object. ``STANDARD`` or ``REDUCED_REDUNDANCY`` |
+-----------------------------------------+-------------+----------------------------------------------------------------------------------------------------------+
| ``Initiated`` | Date | The date and time the user initiated the upload. |
+-----------------------------------------+-------------+----------------------------------------------------------------------------------------------------------+
| ``CommonPrefixes`` | Container | If multiple objects contain the same prefix, they will appear in this list. |
+-----------------------------------------+-------------+----------------------------------------------------------------------------------------------------------+
| ``CommonPrefixes.Prefix`` | String | The substring of the key after the prefix as defined by the ``prefix`` request parameter. |
+-----------------------------------------+-------------+----------------------------------------------------------------------------------------------------------+
ENABLE/SUSPEND BUCKET VERSIONING
--------------------------------
``PUT /?versioning`` This subresource set the versioning state of an existing bucket. To set the versioning state, you must be the bucket owner.
You can set the versioning state with one of the following values:
- Enabled : Enables versioning for the objects in the bucket, All objects added to the bucket receive a unique version ID.
- Suspended : Disables versioning for the objects in the bucket, All objects added to the bucket receive the version ID null.
If the versioning state has never been set on a bucket, it has no versioning state; a GET versioning request does not return a versioning state value.
Syntax
~~~~~~
::
PUT /{bucket}?versioning HTTP/1.1
REQUEST ENTITIES
~~~~~~~~~~~~~~~~
+-----------------------------+-----------+---------------------------------------------------------------------------+
| Name | Type | Description |
+=============================+===========+===========================================================================+
| ``VersioningConfiguration`` | Container | A container for the request. |
+-----------------------------+-----------+---------------------------------------------------------------------------+
| ``Status`` | String | Sets the versioning state of the bucket. Valid Values: Suspended/Enabled |
+-----------------------------+-----------+---------------------------------------------------------------------------+