CloudBuilder
3 years ago
parent
9d01f6c218
commit
b9cdfdb1e2
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#!/bin/bash -ex
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. /root/config/chroot
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# Specific ubuntu-image chroot configuration goes here.
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if [ "$IMAGEFORMAT" == "none" ]; then
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if [ "$SUBPROJECT" == "desktop-preinstalled" ]; then
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# Create files/dirs Ubiquity requires
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mkdir -p /var/log/installer
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touch /var/log/installer/debug
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touch /var/log/syslog
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chown syslog:adm /var/log/syslog
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# Create the oem user account
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if [ -e "/usr/sbin/oem-config-prepare" ]; then
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/usr/sbin/useradd -d /home/oem -G adm,sudo -m -N -u 29999 oem
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/usr/sbin/oem-config-prepare --quiet
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touch "/var/lib/oem-config/run"
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fi
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# Make the writable partition grow
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echo "LABEL=writable / ext4 defaults,x-systemd.growfs 0 0" >>/etc/fstab
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# Create a 1GB swapfile
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dd if=/dev/zero of=/swapfile bs=1M count=1024
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chmod 0600 /swapfile
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mkswap /swapfile
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echo "/swapfile none swap sw 0 0" >>/etc/fstab
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if [ $(dpkg --print-architecture) == "amd64" ]; then
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# We need to get a grub.cfg generated for our image
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# This is copy-pasted from 999-cpc-fixes.chroot
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# TODO: Make this better. One idea would be to have this exported
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# in functions or something, and then reused by both the cpc-fixes
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# and here. Another possibility is to actually trim down the
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# pseudo_grub_probe to only work for a regular preinstalled
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# desktop.
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# But short term it's safer to use a known code-base.
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psuedo_grub_probe() {
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cat <<"PSUEDO_GRUB_PROBE"
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#!/bin/sh
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Usage() {
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cat <<EOF
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Usage: euca-psuedo-grub-probe
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this is a wrapper around grub-probe to provide the answers for an ec2 guest
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EOF
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}
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bad_Usage() { Usage 1>&2; fail "$@"; }
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short_opts=""
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long_opts="device-map:,target:,device"
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getopt_out=$(getopt --name "${0##*/}" \
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--options "${short_opts}" --long "${long_opts}" -- "$@") &&
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eval set -- "${getopt_out}" ||
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bad_Usage
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device_map=""
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target=""
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device=0
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arg=""
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while [ $# -ne 0 ]; do
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cur=${1}; next=${2};
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case "$cur" in
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--device-map) device_map=${next}; shift;;
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--device) device=1;;
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--target) target=${next}; shift;;
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--) shift; break;;
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esac
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shift;
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done
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arg=${1}
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case "${target}:${device}:${arg}" in
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device:*:/*) echo "/dev/sda1"; exit 0;;
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fs:*:*) echo "ext2"; exit 0;;
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partmap:*:*)
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# older versions of grub (lucid) want 'part_msdos' written
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# rather than 'msdos'
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legacy_pre=""
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grubver=$(dpkg-query --show --showformat '${Version}\n' grub-pc 2>/dev/null) &&
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dpkg --compare-versions "${grubver}" lt 1.98+20100804-5ubuntu3 &&
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legacy_pre="part_"
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echo "${legacy_pre}msdos";
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exit 0;;
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abstraction:*:*) echo ""; exit 0;;
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drive:*:/dev/sda) echo "(hd0)";;
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drive:*:/dev/sda*) echo "(hd0,1)";;
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fs_uuid:*:*) exit 1;;
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esac
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PSUEDO_GRUB_PROBE
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}
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gprobe="/usr/sbin/grub-probe"
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moved=0
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if [ -f "${gprobe}" ]; then
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mv "${gprobe}" "${gprobe}.dist"
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moved=1
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fi
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psuedo_grub_probe > "${gprobe}"
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chmod 755 "${gprobe}"
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# Generate grub.cfg
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/usr/sbin/update-grub2
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# Somehow grub doesn't copy unicode.pf2 to the right fonts
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# directory.
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if [ ! -e "/boot/grub/fonts/unicode.pf2" ]; then
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mkdir -p /boot/grub/fonts
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ln /boot/grub/unicode.pf2 /boot/grub/fonts/unicode.pf2
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fi
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grub2cfg="/boot/grub/grub.cfg"
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[ ! -f "${grub2cfg}" ] ||
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sed -i -e "s,root=/dev/[hs]da1,root=LABEL=writable," "${grub2cfg}"
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[ ${moved} -eq 0 ] || mv "${gprobe}.dist" "${gprobe}"
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fi
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fi
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fi
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