virt-install-iso.sh

#!/bin/bash

# exit on any error
set -o errexit

# A few tunable variables
NAME='rh7'
ISO='/guests/rhel-server-7.0-x86_64-dvd.iso'
RAMSIZE='1500' # IN MB
DISKSIZE='12'  # IN GB
VCPUS='2'      # NUM of CPUs
IMAGEDIR='/guests/'
BRIDGE='virbr0'

# Create some temporary files
TMPDIR=$(mktemp -d)
KS="${TMPDIR}/ks.conf"

# Populate the ks file
cat <<EOF > $KS
install
cdrom
reboot
lang en_US.UTF-8
keyboard us
rootpw  password
authconfig --enableshadow --passalgo=sha512
selinux --enforcing
timezone --utc America/New_York
bootloader --location=mbr --driveorder=vda --append="crashkernel=auto"

# Partition info
zerombr
clearpart --all
part /boot     --size=300  --fstype=ext4
part pv.000001 --size=1    --grow
volgroup vg_root --pesize=4096 pv.000001
logvol swap --name=lv_swap --vgname=vg_root --size=512 --maxsize=512
logvol /    --name=lv_root --vgname=vg_root --size=1   --fstype=ext4 --grow 

# open up ssh
#firewall --service=ssh

%packages
@base
@virtualization-client
@virtualization-hypervisor
@virtualization-tools
@virtualization-platform
@fonts
xorg-x11-xauth
nm-connection-editor
setroubleshoot
setroubleshoot-server
%end
EOF

# Build up the virt-install command
cmd='virt-install'
cmd+=" --name $NAME"
cmd+=" --ram  $RAMSIZE"
cmd+=" --vcpus $VCPUS"
cmd+=" --disk path=${IMAGEDIR}/${NAME}.img,size=$DISKSIZE"
cmd+=" --accelerate"
cmd+=" --location $ISO"
cmd+=" --initrd-inject $KS"
cmd+=" --graphics none"
cmd+=" --force"
cmd+=" --network bridge=$BRIDGE"

# Variable for kernel args.
extras="console=ttyS0 ks=file://ks.conf"

# Run the command
echo "Running: $cmd --extra-args=$extras"
$cmd --extra-args="$extras"

# Clean up tmp dir
rm -rf $TMPDIR/