virt-install-helper

#!/bin/sh

# Helper Script to auto create/install unattended Virtual Machines

usage() { echo "Usage: $(basename "$0") [-h] [-n domname]
Script to auto create/install unattended Virtual Machines

where:
  -h, --help                    Show this help text
  -n NAME, --name NAME          Name of the guest instance
  -d DISTRO, --distro DISTRO    Name of distribution
  -m, --memory MEMORY           Configure guest memory allocation.
  -c, --vcpus VCPUS             Number of vcpus to configure for your guest
  -w NETWORK, --network NETWORK Configure a guest network interface

For complete documentation" 1>&2; exit 1; }

OPTS=`getopt -o hn:d:m:w: --long help,name:,distro:,memory:,network: -n 'parse-options' -- "$@"`

#echo "$OPTS"
eval set -- "$OPTS"

DOMNAME=
DISTRO=rhel7
ARCH=x86_64
VCPUS=1
MEMORY=1024
DISKSIZE=10
NETWORK="bridge=virbr0"

while true; do
  case "$1" in
    -h | --help )    usage; exit 1; shift ;;
    -n | --name )    DOMNAME="$2"; shift; shift ;;
    -d | --distro )  DISTRO="$2"; shift; shift ;;
    -m | --memory )  MEMORY="$2"; shift; shift ;;
    -c | --vcpu )    VCPUS="$2"; shift; shift ;;
    -- ) shift; break ;;
    * ) break ;;
  esac
done

if [ "$DOMNAME" == "" ]; then
	usage
	exit 255
fi

case "$DISTRO" in
  rhel6|centos6 )
    LOCATION=http://mirror.airenetworks.es/CentOS/6/os/$ARCH
    OS_VARIANT=rhel6
    KICKSTART=./rhel6.cfg
	;;
  rhel7|centos7|centos )
    LOCATION=http://mirror.airenetworks.es/CentOS/7/os/$ARCH
    OS_VARIANT=rhel7
    KICKSTART=./rhel7.cfg
	;;
  precise|ubuntu12 )
    LOCATION=http://es.archive.ubuntu.com/ubuntu/dists/precise/main/installer-amd64/
    OS_VARIANT=ubuntu13.04
    KICKSTART=./ubuntu.cfg
	;;
  trusty|ubuntu14 )
    LOCATION=http://es.archive.ubuntu.com/ubuntu/dists/trusty/main/installer-amd64/
    OS_VARIANT=ubuntu13.04
    KICKSTART=./ubuntu.cfg
	;;
  xenial|ubuntu16|ubuntu )
    LOCATION=http://es.archive.ubuntu.com/ubuntu/dists/xenial/main/installer-amd64/
    OS_VARIANT=ubuntu13.04
    KICKSTART=./ubuntu.cfg
	;;
esac

echo "Creating domain $DOMNAME..."
echo "Location of the OS sources $LOCATION..."
echo "Using kickstart $KICKSTART..."

TEMP=$(mktemp)
cat $KICKSTART > $TEMP
KICKSTART=$( basename $TEMP )
echo $TEMP:$KICKSTART

virt-install \
  --name ${DOMNAME} \
  --vcpus ${VCPUS} \
  --memory ${MEMORY} \
  --disk pool=storage,size=${DISKSIZE},format=qcow2 \
  --network ${NETWORK} \
  --check-cpu \
  --accelerate \
  --nographics \
  --os-type linux \
  --os-variant ${OS_VARIANT} \
  --location ${LOCATION} \
  --initrd-inject ${TEMP} \
  --extra-args "ks=file:/${KICKSTART} console=ttyS0,115200 HOSTNAME=${DOMNAME}"

exit 255