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[Bug 1772018] [NEW] can't upload image into Glance using Swift backend

To: yahoo-eng-team@xxxxxxxxxxxxxxxxxxx
From: zit <1772018@xxxxxxxxxxxxxxxxxx>
Date: Fri, 18 May 2018 13:20:51 -0000
Reply-to: Bug 1772018 <1772018@xxxxxxxxxxxxxxxxxx>
Sender: bounces@xxxxxxxxxxxxx
Public bug reported:

Trying to create a Glance image fails with the following error:

2018-05-18 13:15:06.278 20265 ERROR glance.common.wsgi Traceback (most recent call last):
2018-05-18 13:15:06.278 20265 ERROR glance.common.wsgi   File "/usr/lib/python3/dist-packages/glance/common/wsgi.py", line 1227, in __call__
2018-05-18 13:15:06.278 20265 ERROR glance.common.wsgi     request, **action_args)
2018-05-18 13:15:06.278 20265 ERROR glance.common.wsgi   File "/usr/lib/python3/dist-packages/glance/common/wsgi.py", line 1270, in dispatch
2018-05-18 13:15:06.278 20265 ERROR glance.common.wsgi     return method(*args, **kwargs)
2018-05-18 13:15:06.278 20265 ERROR glance.common.wsgi   File "/usr/lib/python3/dist-packages/glance/common/utils.py", line 414, in wrapped
2018-05-18 13:15:06.278 20265 ERROR glance.common.wsgi     return func(self, req, *args, **kwargs)
2018-05-18 13:15:06.278 20265 ERROR glance.common.wsgi   File "/usr/lib/python3/dist-packages/glance/api/v2/image_data.py", line 267, in upload
2018-05-18 13:15:06.278 20265 ERROR glance.common.wsgi     self._restore(image_repo, image)
2018-05-18 13:15:06.278 20265 ERROR glance.common.wsgi   File "/usr/lib/python3/dist-packages/oslo_utils/excutils.py", line 220, in __exit__
2018-05-18 13:15:06.278 20265 ERROR glance.common.wsgi     self.force_reraise()
2018-05-18 13:15:06.278 20265 ERROR glance.common.wsgi   File "/usr/lib/python3/dist-packages/oslo_utils/excutils.py", line 196, in force_reraise
2018-05-18 13:15:06.278 20265 ERROR glance.common.wsgi     six.reraise(self.type_, self.value, self.tb)
2018-05-18 13:15:06.278 20265 ERROR glance.common.wsgi   File "/usr/lib/python3/dist-packages/six.py", line 693, in reraise
2018-05-18 13:15:06.278 20265 ERROR glance.common.wsgi     raise value
2018-05-18 13:15:06.278 20265 ERROR glance.common.wsgi   File "/usr/lib/python3/dist-packages/glance/api/v2/image_data.py", line 132, in upload
2018-05-18 13:15:06.278 20265 ERROR glance.common.wsgi     image.set_data(data, size)
2018-05-18 13:15:06.278 20265 ERROR glance.common.wsgi   File "/usr/lib/python3/dist-packages/glance/domain/proxy.py", line 195, in set_data
2018-05-18 13:15:06.278 20265 ERROR glance.common.wsgi     self.base.set_data(data, size)
2018-05-18 13:15:06.278 20265 ERROR glance.common.wsgi   File "/usr/lib/python3/dist-packages/glance/notifier.py", line 480, in set_data
2018-05-18 13:15:06.278 20265 ERROR glance.common.wsgi     _send_notification(notify_error, 'image.upload', msg)
2018-05-18 13:15:06.278 20265 ERROR glance.common.wsgi   File "/usr/lib/python3/dist-packages/oslo_utils/excutils.py", line 220, in __exit__
2018-05-18 13:15:06.278 20265 ERROR glance.common.wsgi     self.force_reraise()
2018-05-18 13:15:06.278 20265 ERROR glance.common.wsgi   File "/usr/lib/python3/dist-packages/oslo_utils/excutils.py", line 196, in force_reraise
2018-05-18 13:15:06.278 20265 ERROR glance.common.wsgi     six.reraise(self.type_, self.value, self.tb)
2018-05-18 13:15:06.278 20265 ERROR glance.common.wsgi   File "/usr/lib/python3/dist-packages/six.py", line 693, in reraise
2018-05-18 13:15:06.278 20265 ERROR glance.common.wsgi     raise value
2018-05-18 13:15:06.278 20265 ERROR glance.common.wsgi   File "/usr/lib/python3/dist-packages/glance/notifier.py", line 427, in set_data
2018-05-18 13:15:06.278 20265 ERROR glance.common.wsgi     self.repo.set_data(data, size)
2018-05-18 13:15:06.278 20265 ERROR glance.common.wsgi   File "/usr/lib/python3/dist-packages/glance/api/policy.py", line 193, in set_data
2018-05-18 13:15:06.278 20265 ERROR glance.common.wsgi     return self.image.set_data(*args, **kwargs)
2018-05-18 13:15:06.278 20265 ERROR glance.common.wsgi   File "/usr/lib/python3/dist-packages/glance/quota/__init__.py", line 304, in set_data
2018-05-18 13:15:06.278 20265 ERROR glance.common.wsgi     self.image.set_data(data, size=size)
2018-05-18 13:15:06.278 20265 ERROR glance.common.wsgi   File "/usr/lib/python3/dist-packages/glance/location.py", line 439, in set_data
2018-05-18 13:15:06.278 20265 ERROR glance.common.wsgi     verifier=verifier)
2018-05-18 13:15:06.278 20265 ERROR glance.common.wsgi   File "/usr/lib/python3/dist-packages/glance_store/backend.py", line 453, in add_to_backend
2018-05-18 13:15:06.278 20265 ERROR glance.common.wsgi     verifier)
2018-05-18 13:15:06.278 20265 ERROR glance.common.wsgi   File "/usr/lib/python3/dist-packages/glance_store/backend.py", line 426, in store_add_to_backend
2018-05-18 13:15:06.278 20265 ERROR glance.common.wsgi     verifier=verifier)
2018-05-18 13:15:06.278 20265 ERROR glance.common.wsgi   File "/usr/lib/python3/dist-packages/glance_store/capabilities.py", line 225, in op_checker
2018-05-18 13:15:06.278 20265 ERROR glance.common.wsgi     return store_op_fun(store, *args, **kwargs)
2018-05-18 13:15:06.278 20265 ERROR glance.common.wsgi   File "/usr/lib/python3/dist-packages/glance_store/_drivers/swift/store.py", line 965, in add
2018-05-18 13:15:06.278 20265 ERROR glance.common.wsgi     written_chunks)
2018-05-18 13:15:06.278 20265 ERROR glance.common.wsgi   File "/usr/lib/python3/dist-packages/oslo_utils/excutils.py", line 220, in __exit__
2018-05-18 13:15:06.278 20265 ERROR glance.common.wsgi     self.force_reraise()
2018-05-18 13:15:06.278 20265 ERROR glance.common.wsgi   File "/usr/lib/python3/dist-packages/oslo_utils/excutils.py", line 196, in force_reraise
2018-05-18 13:15:06.278 20265 ERROR glance.common.wsgi     six.reraise(self.type_, self.value, self.tb)
2018-05-18 13:15:06.278 20265 ERROR glance.common.wsgi   File "/usr/lib/python3/dist-packages/six.py", line 693, in reraise
2018-05-18 13:15:06.278 20265 ERROR glance.common.wsgi     raise value
2018-05-18 13:15:06.278 20265 ERROR glance.common.wsgi   File "/usr/lib/python3/dist-packages/glance_store/_drivers/swift/store.py", line 954, in add
2018-05-18 13:15:06.278 20265 ERROR glance.common.wsgi     content_length=content_length)
2018-05-18 13:15:06.278 20265 ERROR glance.common.wsgi   File "/usr/lib/python3/dist-packages/swiftclient/client.py", line 1842, in put_object
2018-05-18 13:15:06.278 20265 ERROR glance.common.wsgi     response_dict=response_dict)
2018-05-18 13:15:06.278 20265 ERROR glance.common.wsgi   File "/usr/lib/python3/dist-packages/swiftclient/client.py", line 1691, in _retry
2018-05-18 13:15:06.278 20265 ERROR glance.common.wsgi     service_token=self.service_token, **kwargs)
2018-05-18 13:15:06.278 20265 ERROR glance.common.wsgi   File "/usr/lib/python3/dist-packages/swiftclient/client.py", line 1320, in put_object
2018-05-18 13:15:06.278 20265 ERROR glance.common.wsgi     conn.putrequest(path, headers=headers, data=data)
2018-05-18 13:15:06.278 20265 ERROR glance.common.wsgi   File "/usr/lib/python3/dist-packages/swiftclient/client.py", line 449, in putrequest
2018-05-18 13:15:06.278 20265 ERROR glance.common.wsgi     return self.request('PUT', full_path, data, headers, files)
2018-05-18 13:15:06.278 20265 ERROR glance.common.wsgi   File "/usr/lib/python3/dist-packages/swiftclient/client.py", line 439, in request
2018-05-18 13:15:06.278 20265 ERROR glance.common.wsgi     files=files, **self.requests_args)
2018-05-18 13:15:06.278 20265 ERROR glance.common.wsgi   File "/usr/lib/python3/dist-packages/swiftclient/client.py", line 422, in _request
2018-05-18 13:15:06.278 20265 ERROR glance.common.wsgi     return self.request_session.request(*arg, **kwarg)
2018-05-18 13:15:06.278 20265 ERROR glance.common.wsgi   File "/usr/lib/python3/dist-packages/requests/sessions.py", line 508, in request
2018-05-18 13:15:06.278 20265 ERROR glance.common.wsgi     resp = self.send(prep, **send_kwargs)
2018-05-18 13:15:06.278 20265 ERROR glance.common.wsgi   File "/usr/lib/python3/dist-packages/requests/sessions.py", line 618, in send
2018-05-18 13:15:06.278 20265 ERROR glance.common.wsgi     r = adapter.send(request, **kwargs)
2018-05-18 13:15:06.278 20265 ERROR glance.common.wsgi   File "/usr/lib/python3/dist-packages/requests/adapters.py", line 460, in send
2018-05-18 13:15:06.278 20265 ERROR glance.common.wsgi     for i in request.body:
2018-05-18 13:15:06.278 20265 ERROR glance.common.wsgi   File "/usr/lib/python3/dist-packages/swiftclient/utils.py", line 279, in __next__
2018-05-18 13:15:06.278 20265 ERROR glance.common.wsgi     chunk = self.content.read(self.chunk_size)
2018-05-18 13:15:06.278 20265 ERROR glance.common.wsgi   File "/usr/lib/python3/dist-packages/glance_store/_drivers/swift/store.py", line 1537, in read
2018-05-18 13:15:06.278 20265 ERROR glance.common.wsgi     self.checksum.update(result)
2018-05-18 13:15:06.278 20265 ERROR glance.common.wsgi TypeError: Unicode-objects must be encoded before hashing
2018-05-18 13:15:06.278 20265 ERROR glance.common.wsgi 


Version used:

ii  glance-api                     2:16.0.1-2~bpo9+1              all          OpenStack Image Registry and Delivery Service - API server
ii  glance-common                  2:16.0.1-2~bpo9+1              all          OpenStack Image Registry and Delivery Service - common files
ii  glance-registry                2:16.0.1-2~bpo9+1              all          OpenStack Image Registry and Delivery Service - registry server
ii  glance-store-common            0.23.0-2~bpo9+1                all          OpenStack Image Service store library - common files
ii  python3-glance                 2:16.0.1-2~bpo9+1              all          OpenStack Image Registry and Delivery Service - Python library
ii  python3-glance-store           0.23.0-2~bpo9+1                all          OpenStack Image Service store library - Python 3.x
ii  python3-glanceclient           1:2.9.1-2~bpo9+1               all          Client library for Openstack glance server - Python 3.x

ii  python-swift                   2.17.0-3~bpo9+1                all          distributed virtual object store - Python libraries
ii  python-swiftclient             1:3.5.0-2~bpo9+1               all          Client library for Openstack Swift API - Python 2.7
ii  python3-swiftclient            1:3.5.0-2~bpo9+1               all          Client library for Openstack Swift API - Python 3.x
ii  swift                          2.17.0-3~bpo9+1                all          distributed virtual object store - common files
ii  swift-account                  2.17.0-3~bpo9+1                all          distributed virtual object store - account server
ii  swift-container                2.17.0-3~bpo9+1                all          distributed virtual object store - container server
ii  swift-object                   2.17.0-3~bpo9+1                all          distributed virtual object store - object server
ii  swift-proxy                    2.17.0-3~bpo9+1                all          distributed virtual object store - proxy server

** Affects: glance
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/1772018

Title:
  can't upload image into Glance using Swift backend

Status in Glance:
  New

Bug description:
  Trying to create a Glance image fails with the following error:

  2018-05-18 13:15:06.278 20265 ERROR glance.common.wsgi Traceback (most recent call last):
  2018-05-18 13:15:06.278 20265 ERROR glance.common.wsgi   File "/usr/lib/python3/dist-packages/glance/common/wsgi.py", line 1227, in __call__
  2018-05-18 13:15:06.278 20265 ERROR glance.common.wsgi     request, **action_args)
  2018-05-18 13:15:06.278 20265 ERROR glance.common.wsgi   File "/usr/lib/python3/dist-packages/glance/common/wsgi.py", line 1270, in dispatch
  2018-05-18 13:15:06.278 20265 ERROR glance.common.wsgi     return method(*args, **kwargs)
  2018-05-18 13:15:06.278 20265 ERROR glance.common.wsgi   File "/usr/lib/python3/dist-packages/glance/common/utils.py", line 414, in wrapped
  2018-05-18 13:15:06.278 20265 ERROR glance.common.wsgi     return func(self, req, *args, **kwargs)
  2018-05-18 13:15:06.278 20265 ERROR glance.common.wsgi   File "/usr/lib/python3/dist-packages/glance/api/v2/image_data.py", line 267, in upload
  2018-05-18 13:15:06.278 20265 ERROR glance.common.wsgi     self._restore(image_repo, image)
  2018-05-18 13:15:06.278 20265 ERROR glance.common.wsgi   File "/usr/lib/python3/dist-packages/oslo_utils/excutils.py", line 220, in __exit__
  2018-05-18 13:15:06.278 20265 ERROR glance.common.wsgi     self.force_reraise()
  2018-05-18 13:15:06.278 20265 ERROR glance.common.wsgi   File "/usr/lib/python3/dist-packages/oslo_utils/excutils.py", line 196, in force_reraise
  2018-05-18 13:15:06.278 20265 ERROR glance.common.wsgi     six.reraise(self.type_, self.value, self.tb)
  2018-05-18 13:15:06.278 20265 ERROR glance.common.wsgi   File "/usr/lib/python3/dist-packages/six.py", line 693, in reraise
  2018-05-18 13:15:06.278 20265 ERROR glance.common.wsgi     raise value
  2018-05-18 13:15:06.278 20265 ERROR glance.common.wsgi   File "/usr/lib/python3/dist-packages/glance/api/v2/image_data.py", line 132, in upload
  2018-05-18 13:15:06.278 20265 ERROR glance.common.wsgi     image.set_data(data, size)
  2018-05-18 13:15:06.278 20265 ERROR glance.common.wsgi   File "/usr/lib/python3/dist-packages/glance/domain/proxy.py", line 195, in set_data
  2018-05-18 13:15:06.278 20265 ERROR glance.common.wsgi     self.base.set_data(data, size)
  2018-05-18 13:15:06.278 20265 ERROR glance.common.wsgi   File "/usr/lib/python3/dist-packages/glance/notifier.py", line 480, in set_data
  2018-05-18 13:15:06.278 20265 ERROR glance.common.wsgi     _send_notification(notify_error, 'image.upload', msg)
  2018-05-18 13:15:06.278 20265 ERROR glance.common.wsgi   File "/usr/lib/python3/dist-packages/oslo_utils/excutils.py", line 220, in __exit__
  2018-05-18 13:15:06.278 20265 ERROR glance.common.wsgi     self.force_reraise()
  2018-05-18 13:15:06.278 20265 ERROR glance.common.wsgi   File "/usr/lib/python3/dist-packages/oslo_utils/excutils.py", line 196, in force_reraise
  2018-05-18 13:15:06.278 20265 ERROR glance.common.wsgi     six.reraise(self.type_, self.value, self.tb)
  2018-05-18 13:15:06.278 20265 ERROR glance.common.wsgi   File "/usr/lib/python3/dist-packages/six.py", line 693, in reraise
  2018-05-18 13:15:06.278 20265 ERROR glance.common.wsgi     raise value
  2018-05-18 13:15:06.278 20265 ERROR glance.common.wsgi   File "/usr/lib/python3/dist-packages/glance/notifier.py", line 427, in set_data
  2018-05-18 13:15:06.278 20265 ERROR glance.common.wsgi     self.repo.set_data(data, size)
  2018-05-18 13:15:06.278 20265 ERROR glance.common.wsgi   File "/usr/lib/python3/dist-packages/glance/api/policy.py", line 193, in set_data
  2018-05-18 13:15:06.278 20265 ERROR glance.common.wsgi     return self.image.set_data(*args, **kwargs)
  2018-05-18 13:15:06.278 20265 ERROR glance.common.wsgi   File "/usr/lib/python3/dist-packages/glance/quota/__init__.py", line 304, in set_data
  2018-05-18 13:15:06.278 20265 ERROR glance.common.wsgi     self.image.set_data(data, size=size)
  2018-05-18 13:15:06.278 20265 ERROR glance.common.wsgi   File "/usr/lib/python3/dist-packages/glance/location.py", line 439, in set_data
  2018-05-18 13:15:06.278 20265 ERROR glance.common.wsgi     verifier=verifier)
  2018-05-18 13:15:06.278 20265 ERROR glance.common.wsgi   File "/usr/lib/python3/dist-packages/glance_store/backend.py", line 453, in add_to_backend
  2018-05-18 13:15:06.278 20265 ERROR glance.common.wsgi     verifier)
  2018-05-18 13:15:06.278 20265 ERROR glance.common.wsgi   File "/usr/lib/python3/dist-packages/glance_store/backend.py", line 426, in store_add_to_backend
  2018-05-18 13:15:06.278 20265 ERROR glance.common.wsgi     verifier=verifier)
  2018-05-18 13:15:06.278 20265 ERROR glance.common.wsgi   File "/usr/lib/python3/dist-packages/glance_store/capabilities.py", line 225, in op_checker
  2018-05-18 13:15:06.278 20265 ERROR glance.common.wsgi     return store_op_fun(store, *args, **kwargs)
  2018-05-18 13:15:06.278 20265 ERROR glance.common.wsgi   File "/usr/lib/python3/dist-packages/glance_store/_drivers/swift/store.py", line 965, in add
  2018-05-18 13:15:06.278 20265 ERROR glance.common.wsgi     written_chunks)
  2018-05-18 13:15:06.278 20265 ERROR glance.common.wsgi   File "/usr/lib/python3/dist-packages/oslo_utils/excutils.py", line 220, in __exit__
  2018-05-18 13:15:06.278 20265 ERROR glance.common.wsgi     self.force_reraise()
  2018-05-18 13:15:06.278 20265 ERROR glance.common.wsgi   File "/usr/lib/python3/dist-packages/oslo_utils/excutils.py", line 196, in force_reraise
  2018-05-18 13:15:06.278 20265 ERROR glance.common.wsgi     six.reraise(self.type_, self.value, self.tb)
  2018-05-18 13:15:06.278 20265 ERROR glance.common.wsgi   File "/usr/lib/python3/dist-packages/six.py", line 693, in reraise
  2018-05-18 13:15:06.278 20265 ERROR glance.common.wsgi     raise value
  2018-05-18 13:15:06.278 20265 ERROR glance.common.wsgi   File "/usr/lib/python3/dist-packages/glance_store/_drivers/swift/store.py", line 954, in add
  2018-05-18 13:15:06.278 20265 ERROR glance.common.wsgi     content_length=content_length)
  2018-05-18 13:15:06.278 20265 ERROR glance.common.wsgi   File "/usr/lib/python3/dist-packages/swiftclient/client.py", line 1842, in put_object
  2018-05-18 13:15:06.278 20265 ERROR glance.common.wsgi     response_dict=response_dict)
  2018-05-18 13:15:06.278 20265 ERROR glance.common.wsgi   File "/usr/lib/python3/dist-packages/swiftclient/client.py", line 1691, in _retry
  2018-05-18 13:15:06.278 20265 ERROR glance.common.wsgi     service_token=self.service_token, **kwargs)
  2018-05-18 13:15:06.278 20265 ERROR glance.common.wsgi   File "/usr/lib/python3/dist-packages/swiftclient/client.py", line 1320, in put_object
  2018-05-18 13:15:06.278 20265 ERROR glance.common.wsgi     conn.putrequest(path, headers=headers, data=data)
  2018-05-18 13:15:06.278 20265 ERROR glance.common.wsgi   File "/usr/lib/python3/dist-packages/swiftclient/client.py", line 449, in putrequest
  2018-05-18 13:15:06.278 20265 ERROR glance.common.wsgi     return self.request('PUT', full_path, data, headers, files)
  2018-05-18 13:15:06.278 20265 ERROR glance.common.wsgi   File "/usr/lib/python3/dist-packages/swiftclient/client.py", line 439, in request
  2018-05-18 13:15:06.278 20265 ERROR glance.common.wsgi     files=files, **self.requests_args)
  2018-05-18 13:15:06.278 20265 ERROR glance.common.wsgi   File "/usr/lib/python3/dist-packages/swiftclient/client.py", line 422, in _request
  2018-05-18 13:15:06.278 20265 ERROR glance.common.wsgi     return self.request_session.request(*arg, **kwarg)
  2018-05-18 13:15:06.278 20265 ERROR glance.common.wsgi   File "/usr/lib/python3/dist-packages/requests/sessions.py", line 508, in request
  2018-05-18 13:15:06.278 20265 ERROR glance.common.wsgi     resp = self.send(prep, **send_kwargs)
  2018-05-18 13:15:06.278 20265 ERROR glance.common.wsgi   File "/usr/lib/python3/dist-packages/requests/sessions.py", line 618, in send
  2018-05-18 13:15:06.278 20265 ERROR glance.common.wsgi     r = adapter.send(request, **kwargs)
  2018-05-18 13:15:06.278 20265 ERROR glance.common.wsgi   File "/usr/lib/python3/dist-packages/requests/adapters.py", line 460, in send
  2018-05-18 13:15:06.278 20265 ERROR glance.common.wsgi     for i in request.body:
  2018-05-18 13:15:06.278 20265 ERROR glance.common.wsgi   File "/usr/lib/python3/dist-packages/swiftclient/utils.py", line 279, in __next__
  2018-05-18 13:15:06.278 20265 ERROR glance.common.wsgi     chunk = self.content.read(self.chunk_size)
  2018-05-18 13:15:06.278 20265 ERROR glance.common.wsgi   File "/usr/lib/python3/dist-packages/glance_store/_drivers/swift/store.py", line 1537, in read
  2018-05-18 13:15:06.278 20265 ERROR glance.common.wsgi     self.checksum.update(result)
  2018-05-18 13:15:06.278 20265 ERROR glance.common.wsgi TypeError: Unicode-objects must be encoded before hashing
  2018-05-18 13:15:06.278 20265 ERROR glance.common.wsgi 

  
  Version used:

  ii  glance-api                     2:16.0.1-2~bpo9+1              all          OpenStack Image Registry and Delivery Service - API server
  ii  glance-common                  2:16.0.1-2~bpo9+1              all          OpenStack Image Registry and Delivery Service - common files
  ii  glance-registry                2:16.0.1-2~bpo9+1              all          OpenStack Image Registry and Delivery Service - registry server
  ii  glance-store-common            0.23.0-2~bpo9+1                all          OpenStack Image Service store library - common files
  ii  python3-glance                 2:16.0.1-2~bpo9+1              all          OpenStack Image Registry and Delivery Service - Python library
  ii  python3-glance-store           0.23.0-2~bpo9+1                all          OpenStack Image Service store library - Python 3.x
  ii  python3-glanceclient           1:2.9.1-2~bpo9+1               all          Client library for Openstack glance server - Python 3.x

  ii  python-swift                   2.17.0-3~bpo9+1                all          distributed virtual object store - Python libraries
  ii  python-swiftclient             1:3.5.0-2~bpo9+1               all          Client library for Openstack Swift API - Python 2.7
  ii  python3-swiftclient            1:3.5.0-2~bpo9+1               all          Client library for Openstack Swift API - Python 3.x
  ii  swift                          2.17.0-3~bpo9+1                all          distributed virtual object store - common files
  ii  swift-account                  2.17.0-3~bpo9+1                all          distributed virtual object store - account server
  ii  swift-container                2.17.0-3~bpo9+1                all          distributed virtual object store - container server
  ii  swift-object                   2.17.0-3~bpo9+1                all          distributed virtual object store - object server
  ii  swift-proxy                    2.17.0-3~bpo9+1                all          distributed virtual object store - proxy server

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