Vagrant and libvirt (Holy Grail?)

After looking at the vagrant-kvm plugin I found a list of all the Vagrant plugins. This turns out to have vagrant-libvirt as a plugin. libvirt is a library used to control many different virtualization technologies. You can think of it as a common API for hypervisors like KVM/QEMU, Xen, LXC, OpenVZ, Virtualbox, VMware, and Hyper-V. From my experience with OpenStack, I quickly understood the power of this plugin.

In the README for vargrant-libvirt it explains the installation process very clearly. One of the things that makes vagrant really nice now is that you can setup simple puppet or chef provisioning to the instance that you create. It is just a simple configuration change to the Vagrantfile and you are on your way.

Here is the base Vagrantfile for libvirt.

	# -*- mode: ruby -*-
	# vi: set ft=ruby :
	Vagrant.configure("2") do |config|
	# Example configuration of new VM..
	#
	#config.vm.define :test_vm do |test_vm|
	# Box name
	#test_vm.vm.box = "centos64"
	# Interfaces for VM
	#
	# Hostonly network is not supported in this version of provider. Bridged
	# interface with network id specified can be created.
	#test_vm.vm.network :bridged, :bridge => "default", :adapter => 1
	#end
	# Options for libvirt vagrant provider.
	config.vm.provider :libvirt do |libvirt|
	# A hypervisor name to access. Different drivers can be specified, but
	# this version of provider creates KVM machines only. Some examples of
	# drivers are qemu (KVM/qemu), xen (Xen hypervisor), lxc (Linux Containers),
	# esx (VMware ESX), vmwarews (VMware Workstation) and more. Refer to
	# documentation for available drivers (http://libvirt.org/drivers.html).
	libvirt.driver = "qemu"
	# The name of the server, where libvirtd is running.
	libvirt.host = "localhost"
	# If use ssh tunnel to connect to Libvirt.
	libvirt.connect_via_ssh = false
	# The username and password to access Libvirt. Password is not used when
	# connecting via ssh.
	libvirt.username = "root"
	#libvirt.password = "secret"
	# Libvirt storage pool name, where box image and instance snapshots will
	# be stored.
	libvirt.storage_pool_name = "default"
	end
	end

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