Steve Hill
83 lines
2.3 KiB
Bash
83 lines
2.3 KiB
Bash
#!/bin/bash
|
|
# Copyright 2016 Google Inc. All Rights Reserved.
|
|
# Author: cheesy@google.com (Steve Hill)
|
|
#
|
|
# Setup a 32-bit chroot for Ubuntu.
|
|
|
|
install_dir="$(dirname "${BASH_SOURCE[0]}")/.."
|
|
|
|
chroot_dir="/var/chroot/$CHROOT_NAME"
|
|
|
|
if [ -d "$chroot_dir" ]; then
|
|
"$install_dir/run_in_chroot.sh" /bin/true >/dev/null 2>&1
|
|
if [ $? -eq 0 ]; then
|
|
echo chroot already setup, nothing to do.
|
|
exit 0
|
|
else
|
|
echo "$chroot_dir exists but doesn't seem to be setup correctly." >&2
|
|
echo "You're going to have to clean up manually." >&2
|
|
exit 1
|
|
fi
|
|
fi
|
|
|
|
if [ "$UID" -ne 0 ]; then
|
|
echo This script needs to run as root. Re-execing via sudo.
|
|
exec sudo $0 "$@"
|
|
exit 1 # NOTREACHED
|
|
fi
|
|
|
|
apt-get -y update
|
|
# We have to install ssl-cert in the host because /etc/group is copied
|
|
# into the chroot.
|
|
apt-get -y install debootstrap dchroot ssl-cert
|
|
|
|
distro_name="$(lsb_release -cs)"
|
|
|
|
# Create the initial chroot.
|
|
debootstrap --variant=buildd --arch i386 \
|
|
"$distro_name" "$chroot_dir" http://archive.ubuntu.com/ubuntu/
|
|
|
|
# Stop daemons from starting in the chroot. Do this before updating any pkgs!
|
|
# https://major.io/2016/05/05/preventing-ubuntu-16-04-starting-daemons-package-installed/
|
|
cat > "$chroot_dir/usr/sbin/policy-rc.d" << EOF
|
|
#!/bin/sh
|
|
# Prevent all daemons from starting.
|
|
# Created by $(basename $0) for mod_pagespeed.
|
|
exit 101
|
|
EOF
|
|
chmod +x "$chroot_dir/usr/sbin/policy-rc.d"
|
|
|
|
# Configure schroot
|
|
|
|
cat >> /etc/schroot/schroot.conf << EOF
|
|
[$CHROOT_NAME]
|
|
description=Ubuntu $distro_name for i386
|
|
directory=$chroot_dir
|
|
type=directory
|
|
personality=linux32
|
|
preserve-environment=true
|
|
root-groups=sudo
|
|
groups=sudo
|
|
EOF
|
|
|
|
cat >> /etc/schroot/default/fstab << EOF
|
|
# Don't add /dev/shm, weird things will happen. See:
|
|
# https://bugs.launchpad.net/ubuntu/+source/schroot/+bug/1438942/comments/5
|
|
none /run/shm tmpfs rw,nosuid,nodev,noexec 0 0
|
|
EOF
|
|
|
|
cat >> /etc/schroot/default/copyfiles << EOF
|
|
/etc/apt/sources.list
|
|
EOF
|
|
|
|
# schroot is now functional, so we can use run_in_chroot.sh to complete setup
|
|
# of the chroot.
|
|
|
|
"$install_dir/run_in_chroot.sh" apt-get -y update
|
|
"$install_dir/run_in_chroot.sh" apt-get -y upgrade
|
|
"$install_dir/run_in_chroot.sh" apt-get -y install locales sudo lsb-release
|
|
"$install_dir/run_in_chroot.sh" locale-gen en_US.UTF-8
|
|
|
|
# This must be done after we install sudo or dpkg gets cranky.
|
|
echo /etc/sudoers >> /etc/schroot/default/copyfiles
|