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OpenNebula 3.6 ( beta ) Hands-on

OpenNebula 3.6 ( beta ) Hands-on. Sandor Acs acs.sandor @ sztaki.mta.hu 05/07/2012. Outline. OpenNebula GUI Marketplace Image, template and VM management Testing. OpenNebula GUI: Sunstone (1). Adress : http://testcfe.lpds.sztaki.hu/ Username : st$i Password : SummerSchool2012$i.

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OpenNebula 3.6 ( beta ) Hands-on

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  1. OpenNebula 3.6 (beta) Hands-on Sandor Acs acs.sandor@sztaki.mta.hu 05/07/2012

  2. Outline • OpenNebula GUI • Marketplace • Image, template and VM management • Testing

  3. OpenNebula GUI: Sunstone (1) • Adress: http://testcfe.lpds.sztaki.hu/ • Username: st$i • Password: SummerSchool2012$i

  4. OpenNebula GUI: Sunstone (2) • Users are interested in ”Virtual Resources” and ”Marketplace” menu • ”Infrastructure” menu used by the admins and operators

  5. Exercise I. • Import the ttylinux image from the Marketplace • Create a template for VM submission • Start a VM from the template

  6. Import image from Marketplace

  7. Import image from Marketplace (2)

  8. Creating a template for VM submission

  9. Start a VM from a template

  10. DEMO • Creating an image • Uploading to OpenNebula • Creating a template • Sharing with others

  11. Creating new images • New images can be created in many ways • Booting a blank disk image with a bootable CD (image) and install the OS • Using kickstart or debootstrap • (I guess) the easiest (and most beautiful) way with ubuntu: • $ sudovmbuilderkvmubuntu --suite precise --flavour virtual --arch amd64 -o --libvirt qemu:///system --hostname myvm --user user --pass summerschool --addpkgacpid --addpkgopenssh-server --rootsize 512 --swapsize=64

  12. Uploading to OpenNebula

  13. Creating a template

  14. Sharingwith others • Images and templatescan be shared as well • Howeversharingneedsadministratorroleatthismoment

  15. Exercise II. • Start a VM with the shared template • Connect it via VNC and SSH • Install the lighttpd package • Create a copy from the non-persistent image • Make the new image persistent • Try it!

  16. Hints (1) • SSH is more comfortablethan VNC for server VMs (e.g: ssh user@192.168.xxx.xxx) • Installinglighttpdpackage • $ sudo bash #password is ”summerschool” • $ apt-get –y installlighttpd • $ echo ”Hello Cloud, username” > /var/www/index.html • Checkitwithyour browser! • Use ”Save as” (and ”Shutdown”) to clonerunning VMs

  17. Hints (2) • Just one instance can be started from a persistent image! • If you still have time  Create an instance from ”SummerSchool2012-Portal” and practice the portal installation procedure.

  18. Questions? • Thank you for the attention!

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