Bash script that pull latest ClearLinux image and starts a VM thru Libvirt client

post_provision.sh

#!/bin/bash
# SPDX-license-identifier: Apache-2.0
##############################################################################
# Copyright (c) 2018
# All rights reserved. This program and the accompanying materials
# are made available under the terms of the Apache License, Version 2.0
# which accompanies this distribution, and is available at
# http://www.apache.org/licenses/LICENSE-2.0
##############################################################################

set -o errexit
set -o nounset
set -o pipefail

create_bash=create_box.sh
clr_version=$(curl -s https://download.clearlinux.org/latest)
IMAGE=clear-${clr_version}-kvm
clr_box="$(pwd)/clr_box"

if [[ ! -f create_box.sh ]]; then
    wget  https://raw.githubusercontent.com/vagrant-libvirt/vagrant-libvirt/master/tools/$create_bash
    chmod +x $create_bash
fi
qemu-img convert -f raw -O qcow2 $clr_box/$IMAGE.img $clr_box/$IMAGE.qcow2
rm clearlinux.box
./$create_bash $clr_box/$IMAGE.qcow2 clearlinux.box

vagrant destroy -f
vagrant box remove clearlinux
vagrant box add clearlinux --name clearlinux
vagrant init clearlinux
vagrant up

pre_provision.sh

#!/bin/bash
# SPDX-license-identifier: Apache-2.0
##############################################################################
# Copyright (c) 2018
# All rights reserved. This program and the accompanying materials
# are made available under the terms of the Apache License, Version 2.0
# which accompanies this distribution, and is available at
# http://www.apache.org/licenses/LICENSE-2.0
##############################################################################

set -o errexit
set -o nounset
set -o pipefail

clr_version=$(curl -s https://download.clearlinux.org/latest)
IMAGE=clear-${clr_version}-kvm.img
UEFI=OVMF.fd
filename=$IMAGE.xz
domain_name=clearlinux
network_name=clr-net
workdir=$(pwd)
clr_box="$workdir/clr_box"

mkdir -p $clr_box
pushd $clr_box
if [[ ! -f "./${IMAGE}" ]]; then
    curl -O https://download.clearlinux.org/image/$filename
    unxz -v $filename
fi

if [[ ! -f "./${UEFI}" ]]; then
    curl -O https://download.clearlinux.org/image/$UEFI
fi

cat << DOMAIN > $workdir/$domain_name.xml
<domain type='kvm'>
  <name>$domain_name</name>
  <memory unit='KiB'>1048576</memory>
  <vcpu placement='static'>1</vcpu>
  <os>
    <type arch='x86_64' machine='pc-i440fx-artful'>hvm</type>
    <loader type='rom'>$clr_box/$UEFI</loader>
  </os>
  <features>
    <acpi/>
  </features>
  <cpu mode='host-passthrough' check='none'/>
  <clock offset='utc'/>
  <on_poweroff>destroy</on_poweroff>
  <on_reboot>restart</on_reboot>
  <on_crash>destroy</on_crash>
  <devices>
    <emulator>/usr/bin/kvm-spice</emulator>
    <disk type='file' device='disk'>
      <driver name='qemu' type='raw' io='threads'/>
      <source file='$clr_box/$IMAGE'/>
      <target dev='vda' bus='virtio'/>
      <address type='pci' domain='0x0000' bus='0x00' slot='0x02' function='0x0'/>
    </disk>
    <controller type='usb' index='0' model='piix3-uhci'>
      <address type='pci' domain='0x0000' bus='0x00' slot='0x01' function='0x2'/>
    </controller>
    <controller type='pci' index='0' model='pci-root'/>
    <input type='mouse' bus='ps2'/>
    <input type='keyboard' bus='ps2'/>
    <memballoon model='none'/>
    <serial type='pty'>
      <source path='/dev/pts/2'/>
      <target port='0'/>
      <alias name='serial0'/>
    </serial>
    <console type='pty' tty='/dev/pts/2'>
      <source path='/dev/pts/2'/>
      <target type='serial' port='0'/>
      <alias name='serial0'/>
    </console>
    <interface type='network'>
      <source network='${network_name}'/>
      <model type='virtio'/>
    </interface>
  </devices>
</domain>
DOMAIN

if ! virsh net-list --name --all | grep -q ${network_name}; then
    cat << NET > $workdir/${network_name}.xml
<network>
  <name>${network_name}</name>
  <forward mode='nat'>
    <nat>
      <port start='1024' end='65535'/>
    </nat>
  </forward>
  <bridge name='clr_br0' std='off' delay='0'/>
  <ip address='192.168.130.1' netmask='255.255.255.0'>
    <dhcp>
      <range start='192.168.130.2' end='192.168.130.254'/>
    </dhcp>
  </ip>
</network>
NET
    virsh net-define $workdir/${network_name}.xml
    virsh net-autostart ${network_name}
    virsh net-start ${network_name}
fi

virsh net-list --autostart | grep -q ${network_name} || virsh net-autostart ${network_name}
virsh net-list --inactive | grep -q ${network_name} && virsh net-start ${network_name}

popd

if [[ $(virsh list --all | grep $domain_name ) ]]; then
    virsh destroy $domain_name
    virsh undefine $domain_name
fi
virsh define $workdir/$domain_name.xml
virsh start $domain_name

provision.sh

#!/bin/bash
# SPDX-license-identifier: Apache-2.0
##############################################################################
# Copyright (c) 2018
# All rights reserved. This program and the accompanying materials
# are made available under the terms of the Apache License, Version 2.0
# which accompanies this distribution, and is available at
# http://www.apache.org/licenses/LICENSE-2.0
##############################################################################

set -o errexit
set -o nounset
set -o pipefail

vagrant_home_dir=/home/vagrant

useradd -m -d $vagrant_home_dir -U vagrant
mkdir -p $vagrant_home_dir/.ssh/
wget -O $vagrant_home_dir/.ssh/authorized_keys https://raw.githubusercontent.com/hashicorp/vagrant/master/keys/vagrant.pub
chown -R vagrant:vagrant $vagrant_home_dir/.ssh/
chmod 0700 $vagrant_home_dir/.ssh/
chmod 600 $vagrant_home_dir/.ssh/authorized_keys

mkdir -p /etc/sudoers.d
echo "vagrant ALL=(ALL) NOPASSWD: ALL" > /etc/sudoers.d/vagrant