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Containers are the future of Cloud

Containers are the future of Cloud. Pavel Odintsov CTO, FastVPS Eesti OU odintsov@fastvps.ee. Open source virtualization platforms. KVM. Main developer: RedHat Kernel integration state: in kernel since 2007 Status: production ready Hardware support: same as Linux

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Containers are the future of Cloud

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  1. Containers are the future of Cloud Pavel Odintsov CTO, FastVPS Eesti OU odintsov@fastvps.ee

  2. Open source virtualization platforms

  3. KVM Main developer: RedHat Kernel integration state: in kernel since 2007 Status: production ready Hardware support: same as Linux Virtualization type: full virtualization Supported client OS: Linux, FreeBSD, Windows

  4. KVM architecture

  5. Xen Main developer: Citrix, XenSource Kernel integration state: partially in kernel since 2012 (client), no plans about the server Status: production ready Hardware support: only fixed number of hardware, see HCL Virtualization type: full virtualization, paravirtualization Supported client OS: Linux, FreeBSD, Windows

  6. Xen architecture

  7. OpenVZ Main developer: Parallels (ex. SwSoft) Kernel integration state: partially in kernel and work in progress Status: production ready Hardware support: same as Linux Virtualization type: os level virtualization, containerization Supported client OS: Linux

  8. OpenVZ architecture

  9. LinuX Containers, LXC Main developer: same as kernel (Intel, IBM, Parallels) Kernel integration state: partially in kernel and work in progress Status: not ready for production (issues in network, disk) Hardware support: same as Linux Virtualization type: oslevel virtualization, containerization Supported client OS: Linux

  10. LinuX Containers, LXC architecture

  11. Why OpenVZ? • Production ready since 2006 • Extremely low overhead (in compare with Xen/KVM is about 20%) • Simple integration into Linux stack • Many successful projects (LXC): Heorku, CloudLinux, Docker (dot.cloud)

  12. KVM vs OpenVZ vsXen LAMP

  13. KVM vs OpenVZ vsXen Web App

  14. OpenVZ customers

  15. OpenVZ requirements • Almost any physical server (yes, you can use old notebook) • Operation system: CentOS 6, RHEL 6 or Scientific Linux 6 • One external or internal IP address • Internet connection (only for downloading packages and templates) • One hour of free time 

  16. OpenVZ, server resources Server resources: • RAM • HDD • CPU • Network

  17. OpenVZ deployment echo "SELINUX=disabled" > /etc/sysconfig/selinux wget -P /etc/yum.repos.d/ http://ftp.openvz.org/openvz.repo yum install -yvzkernel yum install -yvzctlvzquotaploop shutdown –r now yum remove kernel -y

  18. OpenVZ –container creating vzctl create 101 --ostemplate debian-6.0-x86_64 --layout ploop --ipadd 88.198.144.251 --hostname mytesthostname.ru --config vswap-2g --diskspace 10G vzctl set 101 --onboot yes --ram 4G --swap 1G --diskspace 20G --save vzctl start 101 vzctl set 101 --userpasswdroot:openvz_2013

  19. OpenVZ –additional tools • vzctl destroy – remove container with all data • vzctlstop – container stop • vzlist –a– list of all available containers on host

  20. OpenVZ information • http://openvz.org • http://twitter.com/_openvz_ • http://bugzilla.openvz.org • http://openvz.livejournal.com • http://git.openvz.org

  21. Thank you! :) Pavel Odintsov CTO, FastVPS Eesti OU odintsov@fastvps.ee

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