whoami-rajat 32f1145b7d Remove multiatttach request parameter ... The initial cinder design[1][2][3] allowed users to create mutliattach volumes by spcifying the ``multiattach`` parameter in the request body of volume create operation (``--allow-multiattach`` option in cinderclient). This functionality changed in Queens with the introduction of microversion 3.50[4] where we used volume types to store the multiattach capabilities. Any volume created with a multiattach volume type will be a multiattach volume[5]. While implementing the new functionality, we had to keep backward compatibility with the *old way* of creating multiattach volumes. We deprecated the ``multiattach`` (``--allow-multiattach`` on cinderclient side) parameter in the queens release[6][7]. We also removed the support of the ``--allow-multiattach`` optional parameter from cinderclient in the train release[8] but the API side never removed the compatibility code to disallow functionality of creating multiattach volumes by using the ``multiattach`` parameter (instead of a multiattach volume type). This patch removes the support of providing the ``multiattach`` parameter in the request body of a volume create operation and will fail with a BadRequest exception stating the reason of failure and how it can be fixed. [1] https://blueprints.launchpad.net/cinder/+spec/multi-attach-volume [2] https://review.opendev.org/c/openstack/cinder/+/85847/ [3] https://review.opendev.org/c/openstack/python-cinderclient/+/85856 [4] f1bfd9790d [5] https://docs.openstack.org/cinder/latest/admin/volume-multiattach.html#how-to-create-a-multiattach-volume [6] 94dbf5cce2 [7] adb141a262 [8] 3c1b417959 Depends-On: https://review.opendev.org/c/openstack/tempest/+/875372 Closes-Bug: 2008259 Change-Id: I0ece6e279048abcc04b3674108290a80eca6bd62		2023-03-06 08:58:59 +00:00
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source	Remove multiatttach request parameter	2023-03-06 08:58:59 +00:00