[charms] OpenStack Charms 21.04 release is now available

Peter Matulis peter.matulis at canonical.com
Mon May 3 19:18:36 UTC 2021

The 21.04 release of the OpenStack Charms is now available. This release
several new features to the existing OpenStack Charms deployments for
Stein, Ussuri, Victoria, Wallaby and many stable combinations of Ubuntu +

Please see the Release Notes for full details:

== Highlights ==

* OpenStack Wallaby
OpenStack Wallaby is now supported on Ubuntu 20.04 LTS (via UCA) and Ubuntu
21.04 natively.

* Ceph Pacific
The Pacific release of Ceph is now supported, starting with OpenStack

* Denying service restarts and charm hook calls
The deferred service events feature can be enabled on a per-charm basis to
avoid sudden service interruptions caused by maintenance and operational
procedures applied to the cloud. This allows operators to apply the service
restarts and hook calls at their prerogative.

* Cloud operational improvements
Improvements have been implemented at the operational level through the
addition of scaling down actions for the hacluster and nova-compute charms.
is also now possible to query a nova-compute unit's hypervisor node name,
all hypervisor node names, and mark individual Ceph OSDs as 'out' or 'in'.

* Sync Juju availability zones with Nova availability zones
The nova-cloud-controller charm has a new action that synchronises Juju
availability zones with Nova availability zones. This effectively configures
host aggregates in Nova using the AZs already known to the nova-compute

* Tech-preview charms
Two tech-preview charms are now available for the deployment of OpenStack
Magnum. The list of Manila charms is also expanded by two tech-preview
The new charms are magnum, magnum-dashboard, manila-dashboard, and

* Documentation updates
Ongoing improvements to the OpenStack Charms Deployment Guide, the OpenStack
Charm Guide, and the charm READMEs. A central documentation presence is also
now available: https://ubuntu.com/openstack/docs .

== OpenStack Charms team ==
The OpenStack Charms team can be contacted on the #openstack-charms IRC
on Freenode.

== Thank you ==
Lots of thanks to the below 37 contributors who squashed 54 bugs, enabled
features, and improved the documentation!

Alex Kavanagh
Alvaro Uria
Arif Ali
Aurelien Lourot
Bartosz Woronicz
Bayani Carbone
Billy Olsen
Chris MacNaughton
Corey Bryant
Cornellius Metto
Cory Johns
Dariusz Smigiel
David Ames
Dmitrii Shcherbakov
Edward Hope-Morley
Erlon R.
Felipe Reyes
Frode Nordahl
Garrett Thompson
Hemanth Nakkina
Hernan Garcia
Ionut Balutoiu
James Page
James Vaughn
Liam Young
Marius Oprin
Martin Kalcok
Mauricio Faria
Nicolas Bock
Nobuto Murata
Pedro Guimaraes
Peter Matulis
Przemysław Lal
Robert Gildein
Rodrigo Barbieri
Seyeong Kim
Yanos Angelopoulos

OpenStack Charms Team
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