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The oVirt Project is now putting the finishing touches on version 3.3 of its KVM-based virtualization management platform. The release will be feature-packed, including expanded support for Gluster storage, new integration points for OpenStack’s Neutron networking and Glance image services, and a raft of new extensibility and usability upgrades.
oVirt 3.3 also sports an overhauled All-in-One (AIO) setup plugin, which makes it easy to get up and running with oVirt on a single machine to see what oVirt can do for you.
$> sudo systemctl stop NetworkManager.service $> sudo systemctl mask NetworkManager.service $> sudo service network start $> sudo chkconfig network on
Also, check the configuration file for your interface (for instance, /etc/sysconfig/network-scripts/ifcfg-eth0) and remove the trailing zero from “GATEWAY0″ “IPADDR0″ and “NETMASK0″ as this syntax appears only to work while NetworkManager is enabled. [BZ]
sudo setenforce 0
To make the shift to permissive mode persist between reboots, edit “/etc/sysconfig/selinux” and change SELINUX=enforcing to SELINUX=permissive.
$> sudo yum localinstall http://ovirt.org/releases/ovirt-release-fedora.noarch.rpm -y
$> sudo yum localinstall http://resources.ovirt.org/releases/ovirt-release-el6-8-1.noarch.rpm -y sudo yum localinstall http://dl.fedoraproject.org/pub/epel/6/x86_64/epel-release-6-8.noarch.rpm -y
$> sudo yum install ovirt-engine-setup-plugin-allinone -y
$> sudo engine-setup
Once the engine-setup script completes, you’ll have a working management server that doubles as a virtualization host. The script sets up a local storage domain for hosting VM images, and an iso domain for storing iso images for installing operating systems on the VMs you create.
$> sudo mkdir /var/lib/exports/export
$> sudo chown 36:36 /var/lib/exports/export
$> sudo cp /etc/exports.d/ovirt-engine-iso-domain.exports /etc/exports.d/ovirt-engine-export-domain.exports
In ovirt-engine-export-domain.exports Change “iso” to “export”
$> sudo vi /etc/exports.d/ovirt-engine-export-domain.exports
$> sudo service nfs-server reload
$> sudo vi /etc/exports
In /etc/exports append the line:
$> sudo service nfs reload
Once logged into the Administrator Portal, click the “Storage” tab, select your ISO_DOMAIN, and visit the the “Data Center” tab in the bottom half of the screen. Next, click the “Attach” link, check the check box next to “local_datacenter,” and hit “OK.” This will attach the storage domain that houses your ISO images to your local datacenter.
Next, we’ll create and activate our export domain. From the “Storage” tab, click “New Domain,” give the export domain a name (I’m using EXPORT_DOMAIN), choose “local_datacenter” in Data Center drop down menu, choose “Export / NFS” from “Domain Function / Storage Type” drop down menu, enter your oVirt machine IP / FQDN :/var/lib/exports/export in the Export Path, and click OK.
$> curl -O http://mirrors.kernel.org/fedora/releases/19/Fedora/x86_64/iso/Fedora-19-x86_64-netinst.iso
Upload the image into your iso domain (the password is the same as for the Administrator Portal):
$> engine-iso-uploader upload -i ISO_DOMAIN Fedora-19-x86_64-netinst.iso
In the “New Virtual Machine – Guide Me” dialog that pops up next, click “Configure Virtual Disks,” enter a disk size, and click “OK.” Hit “Configure Later” to dismiss the Guide Me dialog.
Next, select your newly-created VM, and click “Run Once.” In the dialog box that appears, expand “Boot Options,” check the “Attach CD” check box, choose your install iso from the drop down, and hit “OK” to proceed.
After a few moments, the status of your new vm will switch from red to green, and you can click on the green monitor icon next to “Migrate” to open a console window.
oVirt defaults to the SPICE protocol for new VMs, which means you’ll need the virt-viewer package installed on your client machine. If a SPICE client isn’t available to you, you can opt for VNC by stopping your VM, clicking “Edit,” “Console,” “Show Advanced Options,” and choosing VNC from the “Protocol” drop down menu.
That’s enough for this blog post, but stay tuned for more oVirt 3.3 how-to posts. In particular, I have walkthroughs in the works for making use of oVirt’s new and improved Gluster storage support, and for making oVirt and OpenStack play nicely together.
If you’re interested in getting involved with the project, you can find all the mailing list, issue tracker, source repository, and wiki information you need here.
On IRC, I’m jbrooks, ping me in the #ovirt room on OFTC or write a comment below and I’ll be happy to help you get up and running or get pointed in the right direction.
Finally, be sure to follow us on Twitter at @redhatopen for news on oVirt and other open source projects in the Red Hat world.
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