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whiteley/install-ubuntu-installer.sh

Last active August 29, 2015 14:06
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install-ubuntu-installer.sh
#!/bin/sh -ex
# License: CC0
parted -s /dev/xvdb mklabel msdos mkpart primary 0% 100%
mke2fs -L ubuntu-installer /dev/xvdb1 -F
mount LABEL=ubuntu-installer /mnt
cd /mnt
ARCH=amd64
DIST=trusty-updates
DI_VERSION=current
AZ=$(wget -O - -q http://169.254.169.254/latest/meta-data/placement/availability-zone)
MIRROR=http://${AZ%?}.ec2.archive.ubuntu.com
BASEURL=$MIRROR/ubuntu/dists/$DIST/main/installer-$ARCH/$DI_VERSION/images/netboot/xen
wget $BASEURL/initrd.gz $BASEURL/vmlinuz
mkdir -p boot/grub
cat > boot/grub/menu.lst <<__END__
default 0
timeout 3
title Ubuntu Installer ($DI_VERSION $ARCH)
root (hd0,0)
kernel /vmlinuz root=LABEL=ubuntu-installer ro console=hvc0 auto=true priority=critical url=http://169.254.169.254/latest/user-data DEBIAN_FRONTEND=text
initrd /initrd.gz
__END__
sleep 30
halt
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