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OpenStack Ussuri logo

OpenStack Ussuri Release Delivers Automation for Intelligent Open Infrastructure

Ussuri, the 21st release of OpenStack, includes improvements in core functionality, automation, cross-cell cold migration, containerized applications and support for new use cases at multiple levels in the stack.

For the Ussuri release, OpenStack received over 24,000 code changes by more than 1,000 developers from 188 different organizations and over 50 countries. OpenStack is supported by a global open source community and at this pace, it continues to be one of the top three open source projects in the world in terms of active contributions, along with the Linux kernel and Chromium.

Among the many enhancements provided in Ussuri, three highlights are:

 

Ussuri Dashboard Screenshots

Users can now use Nova to launch server instances with accelerators managed by Cyborg

 

Users can now use Nova to launch server instances with accelerators managed by Cyborg

Operators can now define load balancer availability zones that users can select from when creating a new load balancer.

 

Operators using Octavia can now define load balancer availability zones that users can select from when creating a new load balancer.

Users can now specify the list of TLS ciphers that will be accepted on listeners and pools. This was a student led project in partnership with North Dakota State University.

 

Octavia Users can now specify the list of TLS ciphers that will be accepted on listeners and pools. This was a student led project in partnership with North Dakota State University.

Kubernetes rolling upgrades are now available with one easy click

 

Kubernetes rolling upgrades are now available with one easy click with Magnum.

Backend TLS ensures OpenStack API traffic is encrypted end-to-end.

 

Kolla Ansible backend TLS ensures OpenStack API traffic is encrypted end-to-end.

Stateless security group creation and API extension

 

Stateless security group creation and API extension with Neutron.

 


New Features in Ussuri

Focus on Reliability of Core Infrastructure Layer

  • Nova (Compute Service) added support for cold migrating and resizing servers between Nova cells
  • Support for IPV6 was added by Kuryr (bridge between OpenStack and container networking)
  • Ironic (bare metal provisioning) added support for a hardware retirement workflow to enable automation decommission in managed clouds. 

Enhanced Security and Encryption

  • Octavia (Load Balancing Service) users can now specify the Transport Layer Security (TLS) ciphers acceptable for listeners and pools, which allows load balancers to enforce security compliance requirements.
  • In Ussuri, Kolla (Containerized Deployment of OpenStack) added initial support for TLS encryption of backend API services, providing end-to-end encryption of API traffic. Currently Barbican, Cinder, Glance, Heat, Horizon, Keystone, Nova and Placement are supported.
  • Support for stateless security groups has been added in OpenStack Neutron (Networking). Users can now create a security group set as stateless which means that conntrack will not be used for any rule in that group. One port can only use stateless or stateful security groups. In some use cases stateless security groups will allow operator to choose for optimized datapath performance whereas stateful security groups impose extra processing on the system.

Added Versatility for Emerging Use Cases

  • Integration with Nova has been completed in Cyborg (Accelerator Lifecycle Management). Users can now use Nova to launch server instances with accelerators managed by Cyborg.
  • Octavia added support for deploying load balancers in specific availability zones, which enables the deployment of load balancing capabilities to edge environments.
  • Along with the Kubernetes version upgrade support, Magnum (Container Infrastructure Management Service) added the support to upgrade the operating system of the Kubernetes cluster including master and worker nodes.
  • In Ussuri, Zun (Containers Service) added support for CRI-compatible runtime. Zun uses CRI runtime to realize the concept of capsule (pod), so as a result, users can use the Zun API to create pods in Kata Containers via a CRI runtime.

Contributor List

Thank you to the more than 1,000 contributors from more than 50 countries and 188 organizations that contributed to the OpenStack Ussuri release.

  • Andreas Jaeger
  • Ghanshyam Mann
  • Mark Goddard
  • Sean McGinnis
  • Emilien Macchi
  • Takashi Kajinami
  • Alex Schultz
  • Dmitriy Rabotyagov
  • zhongshengping
  • Stephen Finucane
  • Matt Riedemann
  • Tobias Urdin
  • Radosław Piliszek
  • Dmitry Tantsur
  • pengyuesheng
  • Slawek Kaplonski
  • Javier Peña
  • Rodolfo Alonso Hernandez
  • Jonathan Rosser
  • Liam Young
  • Tim Burke
  • Riccardo Pittau
  • Akihiro Motoki
  • Hervé Beraud
  • Ian Wienand
  • Roger Luethi
  • Monty Taylor
  • Dirk Mueller
  • Kevin Carter (cloudnull)
  • Frode Nordahl
  • Sagi Shnaidman
  • Noor Muhammad Malik
  • Rabi Mishra
  • Lee Yarwood
  • Marcin Juszkiewicz
  • wes hayutin
  • Julia Kreger
  • Carlos Goncalves
  • Alex Kavanagh (tinwood)
  • Bharat Kunwar
  • Maciej Józefczyk
  • Jose Luis Franco
  • Michele Baldessari
  • Vishal Manchanda
  • Pierre Riteau
  • Jens Harbott (frickler)
  • Hongbin Lu
  • Harald Jensås
  • Brian Rosmaita
  • Jesse Pretorius (odyssey4me)
  • David Ames
  • Lingxian Kong
  • Iury Gregory Melo Ferreira
  • Eric Fried
  • Balazs Gibizer
  • Michael Johnson
  • Chandan Kumar (raukadah)
  • James Slagle
  • Brian Haley
  • Lance Albertson
  • Cédric Jeanneret (Tengu)
  • Gael Chamoulaud
  • Jean-Philippe Evrard
  • Andrey Kurilin
  • Eyal
  • zhurong
  • Goutham Pacha Ravi
  • Corey Bryant
  • Michal Nasiadka
  • Sorin Sbarnea
  • Luigi Toscano
  • Thierry Carrez
  • Martin Schuppert
  • jacky06
  • caoyuan
  • Francesco Pantano
  • Colleen Murphy
  • Steve Baker
  • Elod Illes
  • Lukas Bezdicka
  • Bogdan Dobrelya (bogdando)
  • Michał Dulko
  • Peter Matulis
  • Luke Short
  • Mohammed Naser
  • Giulio Fidente
  • Flavio Fernandes
  • Lucas Alvares Gomes
  • Spyros Trigazis
  • Renat Akhmerov
  • Erik Olof Gunnar Andersson
  • Brin Zhang
  • Thomas Bechtold
  • Rico Lin
  • Kendall Nelson
  • Ryan Beisner
  • Dincer Celik
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  • Luis Tomas Bolivar
  • Tin Lam
  • Daniel Bengtsson
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