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CloudStack European User Group roundup – London, September 2018

Thursday, September 13 saw us back at the Early Excellence Centre, Canada Water, for the (late) Summer meetup of the CloudStack European User Group. As usual, a great turnout and representation of the community and Europe – with attendees traveling from Germany, Switzerland, Bulgaria, Latvia, Poland, and further afield from Ukraine. There were even a few of us there from the UK!

After we’d caught up with old friends and greeted new ones, we had a bite to eat and took our seats for the talks. Giles Sirett (ShapeBlue CEO and chairman of the CloudStack European User Group) was first up, starting with introductions, a run through the day’s agenda, and CloudStack news – and this past few months has seen lots of activity and development, including the release of the latest LTS branch of CloudStack (4.11), with 4.11.2 due soon. CloudStack 4.11 included more than 250 new capabilities, such as new host HA framework and Prometheus integration, whilst the 4.11.1 release brought us a step closer to ‘near zero downtime upgrades’ with a major refactor of the virtual router. Speaking of activity – approximately 800 downloads of CloudStack per month (in the last 6 months) shows continued strong adoption of the technology.

Giles then looked to the future, talking through upcoming events… and we were in Montreal for the CloudStack Collaboration Conference just last week! It was a fabulous event in a great city, and please see my blog for a roundup and some more information. Of course Giles also mentioned our next user group meetup – London, December 13, hosted by our friends at BT (London). Giles finished up with a call for users of CloudStack to talk more about it. For more information on that, and everything Giles talked about, here are his slides:

Giles then introduced our first featured speaker of the day – Paul Angus (VP Technology at ShapeBlue), with his talk: Backup & Recovery in CloudStack. As Paul explained – CloudStack users currently only have snapshots as a form of VM backup. With the Backup and Recovery Framework, end users will be presented with the features and functions that they have come to expect outside of ‘the cloud’, while cloud providers will be able to leverage the advantages of using enterprise backup and recovery products. In this talk, Paul explained some features of the forthcoming backup and recovery feature, the user experience and demonstrated the Veeam plugin working with the backup and recovery framework. This is a highly anticipated feature, and Paul’s slides are a treasure trove of information and detail:

Following Paul, Dag Sonstebo took control of the laser pointer. Dag is a Cloud Architect here at ShapeBlue and had chosen as his topic the CloudStack usage service. Dag started by explaining that the usage service is used to track consumption of resources in Apache CloudStack for reporting and billing purposes, before giving an overview of how the service is installed and configured. Dag then dived deeper into how data is processed from the database into the different usage types (VMs, network usage, storage, etc.), before being aggregated into billable units or time slices in the usage database.

The talk included several examples on how to query and report on this usage data, and looked at general maintenance and troubleshooting of the service. This really was a deep dive, as evidenced by Dag’s extensive slides:

After a brief interlude to grab coffee and some fresh air, next up was Olivier Lambert, the creator of Xen Orchestra and XCP-ng. Starting by talking about Citrix XenServer, Olivier explained why he developed an alternative that is truly open-source. He talked us through Xen Orchestra, before moving onto XCP-ng – a fork of XenServer removing all restrictions that were put in place with the free Citrix version. This is an exciting project, already proven and widely adopted. Olivier and his team continue to develop new functionality with a fast-growing community and have an exciting roadmap in place for future development. Olivier’s slides from his presentation are right here:

After Olivier we welcomed Vladimir Melnik to the podium (all the way from Ukraine, and I think the person who traveled the furthest). Vladimir is a co-founder of the first IaaS provider in Ukraine – Tucha, and his talk was ‘Building a redundant CloudStack management cluster’. Starting with a brief history of Tucha, Vlad covered building and maintaining an open-source-driven clustered environment for the Apache CloudStack management server with GNU Linux, HAProxy, HeartBeat, Bind, OpenLDAP and other tools. Vladimir’s slides are both entertaining and very interesting:

The honour of the last talk of the day fell to Boyan Ivanov of Storpool, providing advice on building software-defined clouds. Boyan posed the question ‘why software defined?’ and went on to answer the question quite comprehensively! Infrastructure is becoming more and more ‘software defined’, and Boyan illustrated how this should mean increased profitability, putting forward the business case for a software defined stack. Boyan was then good enough to provide several tactical tips and a free reference design!

Take a look through Boyan’s slides:

Once Boyan had finished taking questions, we all headed out to the nearest hostelry, and conversation continued into the night. A nice touch (indicative of the great CloudStack community) was that when it was time to say goodbye most people said ‘see you in Montreal’!

Thanks to Early Excellence for providing a first-class venue and refreshments, and huge thanks to the day’s speakers – Paul, Dag, Olivier, Vlad and Boyan, all of whom were good enough to donate their time, and in most cases travel great distances to share their expertise.

The next meetup of the CloudStack European User Group will be in London, on Thursday, December 13 and you can register here. We are always looking out for speakers with interesting and relevant subjects, and if you are interested in talking, please contact us.

All talks were recorded in full and can be found on our ShapeBlue YouTube channel:

Giles Sirett: https://youtu.be/Ls_HakbyxUU

Paul Angus: https://youtu.be/ZVThUKPeC_w

Dag Sonstebo: https://youtu.be/I5I7eduWHRQ

Olivier Lambert: https://youtu.be/KWBCKvwvnUc

Vladimir Melnik: https://youtu.be/aBNMysDoi5w

Boyan Ivanov: https://youtu.be/wt4pqTZ57OY

Thanks for reading, and I hope to see you at the next event!

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