virt-install wrapper

vm_install.sh

#!/bin/bash
#
# Little virt-install wrapper to save typing, supports the following:
# centos - Centos network install with optional ks
# fedora - Fedora network install with optional ks
# debian - Debian network install with optional ks
# ubuntu - Ubuntu network instal with option ks
# pxe - Boot a vm and tell it try PXE
#
# Setup:
# Bridged networking using br0
#
# Notes:
# I doubt this will be expanded on much as I'm writing a "better" version,
# the new system will pxeboot all machines and installs will be specified in the pxe config.
#
# This means we can boot vms intro recovary images far easier as well as installs,
# look on github for the current configs for this.
#
# It will alwo allow us to install older and newer versions far easier.
#
# ---------- ----------
# This was written for my desktop to save typing, don't expect it to not blow up in your face.
# My production management system is seperate and written in perl not bash!
#

# KS base
KS_ADDR='http://10.44.200.5/kickstarts/'

# Where we store the vm images
DS='/home/kvm/VMHDD'

# My local mirror is a little out of date - use bytemark until I get around to resyncing it
#REPOSERVER='http://10.44.200.5/repos
REPOSERVER='http://mirror.bytemark.co.uk'

# We need these
if [ -z $2 ] || [ -z $3 ] || [ -z $4 ];
then
	echo "Usage: $0 {centos|fedora|debian|ubuntu|pxe} {Disk Size} {Ram Allocation} {Name} {Kickstart}";
	exit 2;
fi

# Figure out what distro
case "$1" in
	centos)
		# Stuff we pass to the kernel
		extra="auto=true hostname=$4 domain='' console=ttyS0"

		# If we had a KS file specified add that as well
		if [ ! -z $5 ]; then
			extra="$extra ks=$KS_ADDR/centos_$5.ks"
		fi

		# Little info
		echo "Installing vm $4 with $2G disk and $3 ram allocation passing kernel arguments '$extra'"

		# repo path for virt to pull the kernel/initrd files from
		location="$REPOSERVER/centos/5.6/os/x86_64/"

		# Run the command!
		virt-install --connect qemu:///system --name $4 --ram $3 --hvm --file $DS/$4 --file-size $2 --vnc --location=$location --bridge=br0 --extra="$extra" --noautoconsole
		virsh console $4
		;;
	fedora)
		# Stuff we pass to the kernel
		extra="auto=true hostname=$4 domain='' console=ttyS0"

		# If we had a KS file specified add that as well
		if [ ! -z $5 ]; then
			extra="$extra ks=$KS_ADDR/fedora_$5.ks"
		fi

		# Little info
		echo "Installing vm $4 with $2G disk and $3 ram allocation passing kernel arguments '$extra'"

		# repo path for virt to pull the kernel/initrd files from
		location="$REPOSERVER/fedora/linux/releases/15/Fedora/x86_64/os/"

		# Run the command!
		virt-install --connect qemu:///system --name $4 --ram $3 --hvm --file $DS/$4 --file-size $2 --vnc --location=$location --bridge=br0 --extra="$extra" --noautoconsole
		virsh console $4
		;;
	debian)
		# Stuff we pass to the kernel
		extra="auto=true hostname=$4 domain='' console=ttyS0"

		# If we had a KS file specified add that as well
		if [ ! -z $5 ]; then
			extra="$extra url=$KS_ADDR/debian_$5.ks"
		fi

		# Little info
		echo "Installing vm $4 with $2G disk and $3 ram allocation passing kernel arguments '$extra'"

		# repo path for virt to pull the kernel/initrd files from
		location="http://mirror.bytemark.co.uk/debian/dists/squeeze/main/installer-amd64/"

		# Run the command!
		virt-install --connect qemu:///system --name $4 --ram $3 --hvm --file $DS/$4 --file-size $2 --vnc --location=$location --noautoconsole --bridge=br0 --extra="$extra" --noautoconsole
		virsh console $4
		;;
	ubuntu)
		# Stuff we pass to the kernel
		extra="auto=true hostname=$4 domain='' console=ttyS0"

		# If we had a KS file specified add that as well
		if [ ! -z $5 ]; then
			extra="$extra url=$KS_ADDR/ubuntu_$5.ks"
		fi

		# Little info
		echo "Installing vm $4 with $2G disk and $3 ram allocation passing kernel arguments '$extra'"

		# repo path for virt to pull the kernel/initrd files from
		location="http://mirror.bytemark.co.uk/ubuntu/dists/natty/main/installer-amd64/"

		# Run the command!
		virt-install --connect qemu:///system --name $4 --ram $3 --hvm --file $DS/$4 --file-size $2 --vnc --location=$location --bridge=br0 --extra="$extra" --noautoconsole
		virsh console $4
		;;
	pxe)
		# Little info
		echo "Installing vm $4 with $2G disk and $3 ram allocation."

		# Run the command
		virt-install --connect qemu:///system --name $4 --ram $3 --hvm --file $DS/$4 --file-size $2 --vnc --pxe --bridge=br0
		virsh console $4
		;;
	*)
		echo "Unknown distro requested";
		;;
esac