Install Vagrant

https://www.vagrantup.com/downloads.html

# rpm -Uvh vagrant_1.8.7_x86_64.rpm

Install vagrant-libvirt plugin

# yum install -y \
    libxslt-devel \
    libxml2-devel \
    ruby-devel \
    libguestfs-tools-c \
    gcc \
    qemu\
    qemu-kvm
    libvirt \
    libvirt-devel

https://github.com/vagrant-libvirt/vagrant-libvirt/releases

# usermod -aG libvirt root

logout and login

# vagrant plugin install vagrant-libvirt

Spin up VM

# vagrant init centos/7
# vagrant up --provider libvirt

Sign into VM

Change root password

# vagrant ssh
(localhost) $ sudo su -
(localhost) # passwd

Vagrantfile

Adding ssh keys

https://stackoverflow.com/questions/30075461/how-do-i-add-my-own-public-key-to-vagrant-vm

Join virtual network

config.vm.network :private_network,
        :libvirt__network_name => "isolab"

Change interface in the management subnet (192.168.122.0/24) at /etc/sysconfig/network-scripts/ifcfg-eth<X> from BOOTPROTO="dhcp" to BOOTPROTO="none". And restart networking with systemctl restart network.

define another box by name

config.vm.define "foobar" do |foobar|
end