CentOS and OpenNebula, a Perfect Match

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OpenNebula is a great cloud orchestration and management tool, characterised by its flexibility, durability and focused feature matrix. A feature matrix that is driven largely by real world problem scenarios and real world feedback : something that has been the focus of CentOS project as well. From large scale deployment automation to patch management and state control, the CentOS Project aims to solve real world problems faced by the people who run infrastructure : The Sysadmins administrators and operations teams. During this talk, I will share why OpenNebula and CentOS Linux are a perfect match and go into some user stories that demonstrate this relationships success in real world scenarios.

Tecnologia

Karanbir Singh
kbsingh@centos.org | Http://www.karan.org/
Twitter.com/kbsingh | Twitter.com/CentOS
CentOS and OpenNebula:

/whois kb
● London, UK based operations / infra person
● Involved with the CentOS Project ~ 7 years
● Like bullet points
● Trappist Beers rock!

About CentOS
● The Project ● The Linux Distro

About CentOS
The Ecosystem;
driven by a community of users;

Why CentOS
● Long production cycles
● Mature user base
● Mature, tested code base
● Vibrant and effective community
– Maybe a bit passive(!)
● Widespread userbase
– Hosting, cloud, voip, hpc, SME
–

Why CentOS
Baseline, in an adaptive environment

Why CentOS
Automation, lifecycle management, provisioning,
monitoring, audit, deployment, cross-platform,
cross-infra, cross-roles support

Why OpenNebula
Pragmatic, user focused, from the trenches

Why OpenNebula
Mostly tech agnostic, just-enough Cloud
Controller

Why OpenNebula
Integration opportunities

Why OpenNebula
Integration opportunities
> Infrastructure tooling <

OpenNebula in CentOS
Included in default repos
yum install centos-release-opennebula
yum install opennebula

OpenNebula in CentOS
Easy node install
yum install opennebula-node-kvm ( or xen!)

OpenNebula in CentOS
Contextualized Distro images
http://cloud.centos.org/i/one/

OpenNebula in CentOS
QuickStart Guide ( with intent )
http://wiki.centos.org/Cloud/OpenNebula

.. in CentOS
For the public CI infra
http://ci.dev.centos.org

.. in CentOS
For the autoscaling buildsys

.. in CentOS
● 4 Hv's (196gb/64c)
– R715
– R720
– 2x R420
● Iscsi
– Equalogic ps6k
● Nets
– Store/mgmt/prod
● Upto 48 instances
● Upto 32 builders
● Zabbix monitoring
● OpenNebula 3.8
● Reimzul bsys
● Beanstalkd queues

.. in CentOS
● 8 Hv's (256gb/128c)
– 2x R415
– 2x R420
– 4x SMC x8
● Local storage
● Nets
– Store/prod
● Upto 120 instances
● IPv4 and IPv6
● Sensu monitoring
● OpenNebula 4.2

Come help
Lots of interesting challenges
( integration and dev around it / selinux / community
engagement / help and guides / hypervisor dev / Arch
development / testing and QA )

OpenNebula and CentOS
● Wiki.centos.org/Cloud
/OpenNebula
● Lists.centos.org :
centos-virt / centos-
devel
● Irc.freenode.net
#centos #centos-virt
#centos-social
● Karanbir Singh
● Twitter.com/kbsingh
● www.karan.org
● London, UK
● T: +44 2070999389

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