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livecd-rootfs
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livecd-rootfs/live-build/auto/build

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#! /bin/sh
set -e
export LC_ALL=C
( . "${LIVE_BUILD}/scripts/build.sh" > /dev/null 2>&1 || true ) || . /usr/lib/live/build.sh
Arguments "${@}"
Read_conffiles config/all config/common config/bootstrap config/chroot config/binary config/source
Set_defaults
if [ -z "${PROJECT:-}" ]; then
echo "PROJECT environment variable has to be set" >&2
exit 1
fi
. config/functions
# Link output files somewhere BuildLiveCD will be able to find them.
PREFIX="livecd.$PROJECT${SUBARCH:+-$SUBARCH}"
if [ "${IMAGEFORMAT:-}" = "ubuntu-image" ]; then
# Use ubuntu-image instead of live-build
CHANNEL="${CHANNEL:-edge}"
env SNAPPY_STORE_NO_CDN=1 \
ubuntu-image -c "$CHANNEL" $UBUNTU_IMAGE_ARGS \
-o "$PREFIX".img "$PREFIX".model-assertion
xz -0 -T4 "$PREFIX".img
mv seed.manifest "$PREFIX".manifest
exit 0
fi
# Setup cleanup function
Setup_cleanup
preinstall_snaps() {
lb chroot_resolv install
snap_prepare chroot
for snap in "$@"; do
snap_preseed chroot "${snap}"
done
lb chroot_resolv remove
}
rm -f binary.success
(
if [ -d config/gnupg ]; then
cat << @@EOF > config/gnupg/NEWKEY
Key-Type: DSA
Key-Length: 1024
Key-Usage: sign
Name-Real: Ubuntu Local Archive One-Time Signing Key
Name-Email: cdimage@ubuntu.com
Expire-Date: 0
@@EOF
gpg --home config/gnupg --gen-key --batch < config/gnupg/NEWKEY \
> config/gnupg/generate.log 2>&1 &
GPG_PROCESS=$!
fi
lb bootstrap "$@"
case $PROJECT in
ubuntu-server|ubuntu-cpc)
# Set locale to C.UTF-8 by default. We should
# probably do this for all images early in the
# 18.10 cycle but for now just do it for
# server and cpc products.
echo "LANG=C.UTF-8" > chroot/etc/default/locale
;;
esac
if [ "${SUBPROJECT:-}" = minimized ] \
&& ! Chroot chroot dpkg -l tzdata 2>&1 |grep -q ^ii; then
# workaround for tzdata purge not removing these files
rm -f chroot/etc/localtime chroot/etc/timezone
fi
if [ "${SUBPROJECT:-}" = minimized ]; then
# set up dpkg filters to skip installing docs on minimized system
mkdir -p chroot/etc/dpkg/dpkg.cfg.d
cat > chroot/etc/dpkg/dpkg.cfg.d/excludes <<EOF
# Drop all man pages
path-exclude=/usr/share/man/*
# Drop all documentation ...
path-exclude=/usr/share/doc/*
# ... except copyright files ...
path-include=/usr/share/doc/*/copyright
# ... and Debian changelogs
path-include=/usr/share/doc/*/changelog.Debian.*
EOF
# Remove docs installed by bootstrap
Chroot chroot dpkg-query -f '${binary:Package}\n' -W | Chroot chroot xargs apt-get install --reinstall
# Add unminimizer script which restores default image behavior
mkdir -p chroot/usr/local/sbin
cat > chroot/usr/local/sbin/unminimize <<'EOF'
#!/bin/sh
set -e
echo "This system has been minimized by removing packages and content that are"
echo "not required on a system that users do not log into."
echo ""
echo "This script restores the content and packages that are found on a default"
echo "Ubuntu server system."
echo ""
echo "Reinstallation of packages may fail due to changes to the system"
echo "configuration, the presence of third-party packages, or for other"
echo "reasons."
read -p "Would you like to continue? [y/N]" REPLY
echo # (optional) move to a new line
if [ "$REPLY" != "y" ] && [ "$REPLY" != "Y" ]
then
exit 1
fi
if [ -f /etc/dpkg/dpkg.cfg.d/excludes ] || [ -f /etc/dpkg/dpkg.cfg.d/excludes.dpkg-tmp ]; then
echo "Re-enabling installation of all documentation in dpkg..."
if [ -f /etc/dpkg/dpkg.cfg.d/excludes ]; then
mv /etc/dpkg/dpkg.cfg.d/excludes /etc/dpkg/dpkg.cfg.d/excludes.dpkg-tmp
fi
echo "Updating package list and upgrading packages..."
apt-get update
# apt-get upgrade asks for confirmation before upgrading packages to let the user stop here
apt-get upgrade
echo "Restoring system documentation..."
echo "Reinstalling packages with files in /usr/share/man/ ..."
# Reinstallation takes place in two steps because a single dpkg --verified
# command generates very long parameter list for "xargs dpkg -S" and may go
# over ARG_MAX. Since many packages have man pages the second download
# handles a much smaller amount of packages.
dpkg -S /usr/share/man/ |sed 's|, |\n|g;s|: [^:]*$||' | DEBIAN_FRONTEND=noninteractive xargs apt-get install --reinstall -y
echo "Reinstalling packages with system documentation in /usr/share/doc/ .."
# This step processes the packages which still have missing documentation
dpkg --verify --verify-format rpm | awk '/..5...... \/usr\/share\/doc/ {print $2}' | sed 's|/[^/]*$||' | sort |uniq \
| xargs dpkg -S | sed 's|, |\n|g;s|: [^:]*$||' | uniq | DEBIAN_FRONTEND=noninteractive xargs apt-get install --reinstall -y
if dpkg --verify --verify-format rpm | awk '/..5...... \/usr\/share\/doc/ {exit 1}'; then
echo "Documentation has been restored successfully."
rm /etc/dpkg/dpkg.cfg.d/excludes.dpkg-tmp
else
echo "There are still files missing from /usr/share/doc/:"
dpkg --verify --verify-format rpm | awk '/..5...... \/usr\/share\/doc/ {print " " $2}'
echo "You may want to try running this script again or you can remove"
echo "/etc/dpkg/dpkg.cfg.d/excludes.dpkg-tmp and restore the files manually."
fi
fi
# Remove diverted man binary
rm -f /usr/bin/man
dpkg-divert --quiet --remove --rename /usr/bin/man
EOF
if [ "$PROJECT" != "ubuntu-base" ]; then
# ubuntu-minimal is too much for a docker container (it contains
# systemd and other things)
cat >> chroot/usr/local/sbin/unminimize <<'EOF'
if ! dpkg-query --show --showformat='${db:Status-Status}\n' ubuntu-minimal 2> /dev/null | grep -q '^installed$'; then
echo "Installing ubuntu-minimal package to provide the familiar Ubuntu minimal system..."
DEBIAN_FRONTEND=noninteractive apt-get install -y ubuntu-minimal
fi
if dpkg-query --show --showformat='${db:Status-Status}\n' ubuntu-server 2> /dev/null | grep -q '^installed$' \
&& ! dpkg-query --show --showformat='${db:Status-Status}\n' landscape-common 2> /dev/null | grep -q '^installed$'; then
echo "Installing ubuntu-server recommends..."
DEBIAN_FRONTEND=noninteractive apt-get install -y landscape-common
fi
EOF
fi
cat >> chroot/usr/local/sbin/unminimize <<'EOF'
# unminimization succeeded, there is no need to mention it in motd
rm -f /etc/update-motd.d/60-unminimize
EOF
chmod +x chroot/usr/local/sbin/unminimize
# inform users about the unminimize script
cat > "chroot/etc/update-motd.d/60-unminimize" << EOF
#!/bin/sh
#
# This file is not managed by a package. If you no longer want to
# see this message you can safely remove the file.
echo "This system has been minimized by removing packages and content that are"
echo "not required on a system that users do not log into."
echo ""
echo "To restore this content, you can run the 'unminimize' command."
EOF
chmod +x chroot/etc/update-motd.d/60-unminimize
Chroot chroot "dpkg-divert --quiet --add \
--divert /usr/bin/man.REAL --rename \
/usr/bin/man"
cat > chroot/usr/bin/man << EOF
#!/bin/sh
echo "This system has been minimized by removing packages and content that are"
echo "not required on a system that users do not log into."
echo ""
echo "To restore this content, including manpages, you can run the 'unminimize'"
echo "command. You will still need to ensure the 'man-db' package is installed."
EOF
chmod +x chroot/usr/bin/man
fi
Chroot chroot "dpkg-divert --quiet --add \
--divert /usr/sbin/update-initramfs.REAL --rename \
/usr/sbin/update-initramfs"
cat > chroot/usr/sbin/update-initramfs <<'EOF'
#! /bin/sh
if [ $# != 1 ] || [ "$1" != -u ]; then
exec update-initramfs.REAL "$@"
fi
echo "update-initramfs: diverted by livecd-rootfs (will be called later)" >&2
exit 0
EOF
chmod +x chroot/usr/sbin/update-initramfs
cat > config/hooks/999-undivert-update-initramfs.chroot <<'EOF'
#! /bin/sh
rm -f /usr/sbin/update-initramfs
dpkg-divert --quiet --remove --rename /usr/sbin/update-initramfs
EOF
lb chroot "$@"
if [ "${SUBPROJECT:-}" = minimized ]; then
# force removal of initramfs-tools, which we assert is not
# required for any minimized images but is still pulled in by
# default
# also remove landscape-common, which is heavyweight and
# in the server seed only to provide /etc/motd content which
# would only be seen by humans
Chroot chroot "env DEBIAN_FRONTEND=noninteractive \
apt-get -y purge initramfs-tools busybox-initramfs \
busybox-static landscape-common"
# and if initramfs-tools was configured before our kernel,
# /etc/kernel/postinst.d/initramfs-tools will have created
# an initramfs despite the generic dpkg-divert; so remove it
# here.
rm -f chroot/boot/initrd.img-*
# temporary workaround: don't remove linux-base which
# may have no other reverse-depends currently
Chroot chroot "env DEBIAN_FRONTEND=noninteractive \
apt-mark manual linux-base"
Chroot chroot "env DEBIAN_FRONTEND=noninteractive \
apt-get -y --purge autoremove"
fi
# remove crufty files that shouldn't be left in an image
rm -f chroot/var/cache/debconf/*-old chroot/var/lib/dpkg/*-old
Chroot chroot apt clean
if [ "${PROJECT}:${SUBPROJECT:-}" = "ubuntu-base:minimized" ]; then
# Save even more size by removing apt lists (that are currently removed
# downstream anyway)
rm -rf chroot/var/lib/apt/lists/*
fi
if [ -f config/oem-config-preinstalled ]; then
# This is cargo-culted almost verbatim (with some syntax changes for
# preinstalled being slightly different in what it doesn't ask) from
# debian-installer's apt-setup:
cat > chroot/etc/apt/sources.list << EOF
# See http://help.ubuntu.com/community/UpgradeNotes for how to upgrade to
# newer versions of the distribution.
deb $LB_PARENT_MIRROR_BINARY $LB_DISTRIBUTION main restricted
# deb-src $LB_PARENT_MIRROR_BINARY $LB_DISTRIBUTION main restricted
## Major bug fix updates produced after the final release of the
## distribution.
deb $LB_PARENT_MIRROR_BINARY $LB_DISTRIBUTION-updates main restricted
# deb-src $LB_PARENT_MIRROR_BINARY $LB_DISTRIBUTION-updates main restricted
## N.B. software from this repository is ENTIRELY UNSUPPORTED by the Ubuntu
## team. Also, please note that software in universe WILL NOT receive any
## review or updates from the Ubuntu security team.
deb $LB_PARENT_MIRROR_BINARY $LB_DISTRIBUTION universe
# deb-src $LB_PARENT_MIRROR_BINARY $LB_DISTRIBUTION universe
deb $LB_PARENT_MIRROR_BINARY $LB_DISTRIBUTION-updates universe
# deb-src $LB_PARENT_MIRROR_BINARY $LB_DISTRIBUTION-updates universe
## N.B. software from this repository is ENTIRELY UNSUPPORTED by the Ubuntu
## team, and may not be under a free licence. Please satisfy yourself as to
## your rights to use the software. Also, please note that software in
## multiverse WILL NOT receive any review or updates from the Ubuntu
## security team.
deb $LB_PARENT_MIRROR_BINARY $LB_DISTRIBUTION multiverse
# deb-src $LB_PARENT_MIRROR_BINARY $LB_DISTRIBUTION multiverse
deb $LB_PARENT_MIRROR_BINARY $LB_DISTRIBUTION-updates multiverse
# deb-src $LB_PARENT_MIRROR_BINARY $LB_DISTRIBUTION-updates multiverse
## N.B. software from this repository may not have been tested as
## extensively as that contained in the main release, although it includes
## newer versions of some applications which may provide useful features.
## Also, please note that software in backports WILL NOT receive any review
## or updates from the Ubuntu security team.
deb $LB_PARENT_MIRROR_BINARY $LB_DISTRIBUTION-backports main restricted universe multiverse
# deb-src $LB_PARENT_MIRROR_BINARY $LB_DISTRIBUTION-backports main restricted universe multiverse
## Uncomment the following two lines to add software from Canonical's
## 'partner' repository.
## This software is not part of Ubuntu, but is offered by Canonical and the
## respective vendors as a service to Ubuntu users.
# deb http://archive.canonical.com/ubuntu $LB_DISTRIBUTION partner
# deb-src http://archive.canonical.com/ubuntu $LB_DISTRIBUTION partner
deb $LB_PARENT_MIRROR_BINARY_SECURITY $LB_DISTRIBUTION-security main restricted
# deb-src $LB_PARENT_MIRROR_BINARY_SECURITY $LB_DISTRIBUTION-security main restricted
deb $LB_PARENT_MIRROR_BINARY_SECURITY $LB_DISTRIBUTION-security universe
# deb-src $LB_PARENT_MIRROR_BINARY_SECURITY $LB_DISTRIBUTION-security universe
deb $LB_PARENT_MIRROR_BINARY_SECURITY $LB_DISTRIBUTION-security multiverse
# deb-src $LB_PARENT_MIRROR_BINARY_SECURITY $LB_DISTRIBUTION-security multiverse
EOF
fi
if [ -d chroot/var/lib/preinstalled-pool ]; then
cat > config/indices/apt.conf <<-EOF
Dir {
ArchiveDir "chroot/var/lib/preinstalled-pool";
OverrideDir "config/indices";
CacheDir "config/indices";
}
Default { Packages::Compress ". bzip2"; }
TreeDefault { Directory "pool"; }
Tree "dists/$LB_DISTRIBUTION"
{
Sections "$LB_PARENT_ARCHIVE_AREAS";
Architectures "$LB_ARCHITECTURES";
BinOverride "override.$LB_DISTRIBUTION.\$(SECTION)";
ExtraOverride "override.$LB_DISTRIBUTION.extra.\$(SECTION)";
Contents " ";
}
EOF
for component in $LB_PARENT_ARCHIVE_AREAS; do
mkdir -p chroot/var/lib/preinstalled-pool/dists/$LB_DISTRIBUTION/$component/binary-$LB_ARCHITECTURES
done
apt-ftparchive generate config/indices/apt.conf
cat << @@EOF > chroot/etc/apt/sources.list.preinstall
# This is a sources.list entry for a small pool of packages
# provided on your preinstalled filesystem for your convenience.
#
# It is perfectly safe to delete both this entry and the directory
# it references, should you want to save disk space and fetch the
# packages remotely instead.
#
deb file:/var/lib/preinstalled-pool/ $LB_DISTRIBUTION $LB_PARENT_ARCHIVE_AREAS
#
@@EOF
cp chroot/etc/apt/sources.list chroot/etc/apt/sources.list.orig
cp chroot/etc/apt/sources.list.preinstall chroot/etc/apt/sources.list
echo "Waiting on gnupg ("$GPG_PROCESS") to finish generating a key."
wait $GPG_PROCESS
R_ORIGIN=$(lsb_release -i -s)
R_CODENAME=$(lsb_release -c -s)
R_VERSION=$(lsb_release -r -s)
R_PRETTYNAME=$(echo $R_CODENAME | sed -e 's/^\(.\)/\U\1/')
apt-ftparchive -o APT::FTPArchive::Release::Origin=$R_ORIGIN \
-o APT::FTPArchive::Release::Label=$R_ORIGIN \
-o APT::FTPArchive::Release::Suite=$R_CODENAME-local \
-o APT::FTPArchive::Release::Version=$R_VERSION \
-o APT::FTPArchive::Release::Codename=$R_CODENAME \
-o APT::FTPArchive::Release::Description="$R_ORIGIN $R_PRETTYNAME Local" \
release chroot/var/lib/preinstalled-pool/dists/$R_CODENAME/ \
> config/gnupg/Release
gpg --home config/gnupg --detach-sign --armor config/gnupg/Release
mv config/gnupg/Release \
chroot/var/lib/preinstalled-pool/dists/$R_CODENAME/Release
mv config/gnupg/Release.asc \
chroot/var/lib/preinstalled-pool/dists/$R_CODENAME/Release.gpg
apt-key --keyring chroot/etc/apt/trusted.gpg add config/gnupg/pubring.gpg
find chroot/var/lib/preinstalled-pool/ -name Packages | xargs rm
Chroot chroot "apt-get update"
cat chroot/etc/apt/sources.list.preinstall chroot/etc/apt/sources.list.orig \
> chroot/etc/apt/sources.list
rm chroot/etc/apt/sources.list.preinstall chroot/etc/apt/sources.list.orig
fi
case $PROJECT:$SUBPROJECT in
*)
if [ -e "config/seeded-snaps" ]; then
snap_list=$(cat config/seeded-snaps)
preinstall_snaps $snap_list
fi
;;
esac
if [ "$PROJECT" = "ubuntu-touch" ] || [ "$PROJECT" = "ubuntu-touch-custom" ]; then
if [ "$ARCH" = "armhf" ]; then
INFO_DESC="$(lsb_release -d -s)"
echo "$INFO_DESC - $ARCH ($BUILDSTAMP)" >chroot/etc/media-info
mkdir -p chroot/var/log/installer
Chroot chroot "ln -s /etc/media-info /var/log/installer/media-info"
fi
fi
if [ "$PROJECT" = "ubuntu-cpc" ]; then
if [ "${SUBPROJECT:-}" = minimized ]; then
BUILD_NAME=minimal
else
BUILD_NAME=server
fi
cat > chroot/etc/cloud/build.info << EOF
build_name: $BUILD_NAME
serial: $BUILDSTAMP
EOF
fi
# If the image pre-installs network-manager, let it manage all devices by
# default. Installing NM on an existing system only manages wifi and wwan via
# /usr/lib/NetworkManager/conf.d/10-globally-managed-devices.conf. When setting
# the global backend to NM, netplan overrides that file.
if [ -d chroot/usr/lib/NetworkManager ]; then
echo "===== Enabling all devices in NetworkManager ===="
mkdir -p chroot/etc/netplan
cat <<EOF > chroot/etc/netplan/01-network-manager-all.yaml
# Let NetworkManager manage all devices on this system
network:
version: 2
renderer: NetworkManager
EOF
else
echo "==== NetworkManager not installed ===="
fi
echo "===== Checking size of /usr/share/doc ====="
echo BEGIN docdirs
(cd chroot && find usr/share/doc -maxdepth 1 -type d | xargs du -s | sort -nr)
echo END docdirs
lb binary "$@"
touch binary.success
) 2>&1 | tee binary.log
# bash has trouble with the build.sh sourcing arrangement at the top of this
# file, so we use this cheap-and-cheerful approach rather than the more
# correct 'set -o pipefail'.
if [ -e binary.success ]; then
rm -f binary.success
else
exit 1
fi
case $LB_INITRAMFS in
casper)
INITFS="casper"
;;
live-boot)
INITFS="live"
;;
*)
INITFS="boot"
;;
esac
for OUTPUT in ext2 ext3 ext4 manifest manifest-remove size squashfs; do
[ -e "binary/$INITFS/filesystem.$OUTPUT" ] || continue
ln "binary/$INITFS/filesystem.$OUTPUT" "$PREFIX.$OUTPUT"
chmod 644 "$PREFIX.$OUTPUT"
done
if [ -e config/manifest-minimal-remove ]; then
cp config/manifest-minimal-remove "$PREFIX.manifest-minimal-remove"
fi
for ISO in binary.iso binary.hybrid.iso; do
[ -e "$ISO" ] || continue
ln "$ISO" "$PREFIX.iso"
chmod 644 "$PREFIX.iso"
break
done
if [ -e "binary/$INITFS/filesystem.dir" ]; then
(cd "binary/$INITFS/filesystem.dir/" && tar -c *) | \
gzip -9 --rsyncable > "$PREFIX.rootfs.tar.gz"
chmod 644 "$PREFIX.rootfs.tar.gz"
elif [ -e binary-tar.tar.gz ]; then
cp -a binary-tar.tar.gz "$PREFIX.rootfs.tar.gz"
fi
if [ "$PROJECT:${SUBPROJECT:-}" = "ubuntu-core:system-image" ]; then
if [ -e "binary/$INITFS/filesystem.dir" ]; then
rootfs="binary/$INITFS/filesystem.dir"
for dir in lib/modules lib/firmware writable meta; do
mkdir -p $rootfs/$dir
done
# get a proper version from the chroot
. $rootfs/etc/os-release
VERSION="$(echo $PRETTY_NAME | sed 's/[^0-9.]*//g')"
CORENAME="ubuntu-core"
cat > $rootfs/meta/snap.yaml <<EOF
name: $CORENAME
version: $VERSION
summary: The core runtime environment for snapd
architectures: [$ARCH]
type: os
EOF
apt-get -y install snapcraft
snapcraft snap $rootfs
snapfile="$(ls ${CORENAME}*.snap)"
cp -a $snapfile $PREFIX.os.snap
fi
fi
if [ "$PROJECT" = "ubuntu-touch" ] || [ "$PROJECT" = "ubuntu-touch-custom" ]; then
(cd "binary/$INITFS/custom.dir/" && tar -c *) | \
gzip -9 --rsyncable > "$PREFIX.custom.tar.gz"
chmod 644 "$PREFIX.custom.tar.gz"
fi
# '--initramfs none' produces different manifest names.
if [ -e "binary/$INITFS/filesystem.packages" ]; then
ln "binary/$INITFS/filesystem.packages" "$PREFIX.manifest"
chmod 644 "$PREFIX.manifest"
fi
if [ -e "binary/$INITFS/filesystem.packages-remove" ]; then
# Not a typo, empty manifest-remove has a single LF in it. :/
if [ $(cat binary/$INITFS/filesystem.packages-remove | wc -c) -gt 1 ]; then
ln "binary/$INITFS/filesystem.packages-remove" "$PREFIX.manifest-remove"
chmod 644 "$PREFIX.manifest-remove"
fi
fi
# ubuntu-core and ubuntu-desktop-next splits kernel stuff into a "device" tarball so
# at this point we reset it to "none" as all the work to extract it was done already
# in a binary hook
case $PROJECT:${SUBPROJECT:-} in
ubuntu-core:system-image|ubuntu-desktop-next:system-image)
# create device tarball (for snappy only atm)
if [ "$PROJECT:$SUBPROJECT" = "ubuntu-core:system-image" ]; then
case $ARCH in
armhf)
subarches="generic raspi2"
;;
arm64)
subarches="generic dragonboard"
;;
i386|amd64|powerpc|ppc64el|s390x)
subarches="generic"
;;
esac
# create a clean chroot
debootstrap --variant=minbase $LB_DISTRIBUTION chroot-device $LB_PARENT_MIRROR_BOOTSTRAP
# ... but keep the PPA setup
cp -a chroot/etc/apt/* chroot-device/etc/apt/
# ... and move it in place
rm -rf chroot
mv chroot-device chroot
for devarch in $subarches; do
(echo "I: creating $devarch device tarball for $ARCH"
HERE="$(pwd)"
set -x
linux_package="linux-image-$devarch"
case $ARCH in
amd64)
linux_package="linux-signed-image-generic"
;;
arm64)
if [ "$devarch" = "dragonboard" ]; then
linux_package="linux-image-snapdragon linux-firmware-snapdragon"
fi
;;
armhf)
if [ "$devarch" = "raspi2" ]; then
linux_package="linux-image-raspi2"
fi
;;
ppc64el|s390x)
echo "I: skipping kernel and device tarball for $ARCH"
return
;;
esac
# make sure all virtual filesystems are available
lb chroot_proc install "$@"
lb chroot_sysfs install "$@"
lb chroot_devpts install "$@"
# prepare the env
Chroot chroot "apt-get -y update"
Chroot chroot "apt-get -y purge linux-image-*"
Chroot chroot "apt-get -y autoremove"
rm -rf chroot/boot/initrd.img* chroot/boot/vmlinu?-* chroot/lib/modules/* \
chroot/boot/abi-* chroot/boot/System.map-* chroot/boot/config-*
mkdir -p chroot/etc/initramfs-tools/conf.d
echo "COMPRESS=lzma" >chroot/etc/initramfs-tools/conf.d/snappy-device-tarball.conf
# install needed packages and the kernel itself
Chroot chroot "apt-get -y install initramfs-tools-ubuntu-core linux-firmware xz-utils"
Chroot chroot "apt-get -y install $linux_package"
Chroot chroot "dpkg -l" > chroot/dpkg.list
# clean up
lb chroot_devpts remove "$@"
lb chroot_sysfs remove "$@"
lb chroot_proc remove "$@"
# now build the actual device tarball
TMPDIR="$(mktemp -d)"
mkdir -p $TMPDIR/system/
mkdir -p $TMPDIR/assets/
cd chroot
cp -ar lib/modules/ $TMPDIR/system/
cp -ar lib/firmware/ $TMPDIR/system/
# FIXME: compat with the old kernel spec/old initramfs that
# expects lib/{modules,firmware}
#
# FIXME2: update the initramfs-tools-ubuntu-core scripts/ubuntu-core
# to look at the new location
mkdir $TMPDIR/system/lib
ln -s $TMPDIR/system/modules $TMPDIR/system/lib
ln -s $TMPDIR/system/firmware $TMPDIR/system/lib
# new assets handling
if [ -f boot/vmlinu?-*.signed ]; then
kernel=boot/vmlinu?-*.signed
else
kernel=boot/vmlinu?-*
fi
initrd=boot/initrd.img-*
cp -ar $initrd $TMPDIR/assets/
cp -ar $kernel $TMPDIR/assets/
cp -ar boot/abi-* boot/System.map-* boot/config-* $TMPDIR/assets/
dtbs=$(find lib/firmware -type d -name 'device-tree' -print0)
if [ -n "$dtbs" ]; then
mv "$dtbs" $TMPDIR/assets/dtbs
case $devarch in
raspi2)
# ubuntu-device-flash does not like subdirs here, we need to tar it up
if [ -e $TMPDIR/assets/dtbs/overlays ]; then
tar -C $TMPDIR/assets/dtbs -f $TMPDIR/assets/dtbs/overlays.tgz -czv overlays
rm -rf $TMPDIR/assets/dtbs/overlays
fi
;;
dragonboard)
cp $TMPDIR/assets/dtbs/qcom/apq8016-sbc-snappy.dtb $TMPDIR/assets/dtbs/apq8016-sbc.dtb
# add special link needed by the dragonboard wifi driver
mkdir -p $TMPDIR/system/lib/firmware/wlan/
ln -s /run/macaddr0 $TMPDIR/system/lib/firmware/wlan/
;;
esac
fi
# copy dpkg manifest
cp -ar dpkg.list $TMPDIR/assets
# create hardware.yaml
# this assumes armhf == u-boot
# and all others grub
# common bits
cat > $TMPDIR/hardware.yaml << EOF
kernel: assets/$(basename $kernel)
initrd: assets/$(basename $initrd)
partition-layout: system-AB
EOF
# arch specific ones
if [ "$ARCH" = "armhf" ]; then
cat >> $TMPDIR/hardware.yaml << EOF
dtbs: assets/dtbs
bootloader: u-boot
EOF
else
cat >> $TMPDIR/hardware.yaml << EOF
bootloader: grub
EOF
fi
# compress everything
cd $TMPDIR
tarname="device.tar.gz"
manifestname="device.manifest"
if [ "$devarch" = "raspi2" ];then
tarname="raspi2.$tarname"
manifestname="$devarch.$manifestname"
elif [ "$devarch" = "dragonboard" ];then
tarname="$devarch.$tarname"
manifestname="$devarch.$manifestname"
fi
# create tarfile
tar -c -z -f $HERE/$PREFIX.$tarname system assets hardware.yaml
# create device specific manifest to track kernel dpkg version
cp assets/dpkg.list $HERE/$PREFIX.$manifestname
# show size of initrd and kernel in the log
ls -lh assets/
# dump the content list into the log
echo "I: device tarball contents for $PREFIX.$tarname:"
find . -type f
# azure wants its own device tarball
if [ "$ARCH" = "amd64" ]; then
cp $HERE/$PREFIX.$tarname $HERE/$PREFIX.azure.$tarname
fi
# create snap
snapname="kernel.snap"
metaname=canonical-pc-linux
if [ "$devarch" = "raspi2" ];then
metaname=canonical-pi2-linux
snapname="$devarch.kernel.snap"
elif [ "$devarch" = "generic" ] && [ "$ARCH" = "armhf" ];then
metaname=canonical-bbb-linux
elif [ "$devarch" = "dragonboard" ] && [ "$ARCH" = "arm64" ];then
metaname=canonical-snapdragon-linux
snapname="$devarch.kernel.snap"
fi
rm -rf $HERE/snap || true
mkdir -p $HERE/snap/meta
cp -a $TMPDIR/assets/* $HERE/snap
cp -a $TMPDIR/system/* $HERE/snap
cd $HERE/snap
kernel="$(ls vmlinuz-*)"
initrd="$(ls initrd.img-*)"
# old kernel spec
ln -s $kernel vmlinuz
ln -s $initrd initrd.img
# new kernel spec
ln -s $kernel kernel.img
kvers="$(ls vmlinuz-*|sed 's/^.*vmlinuz-//;s/-[a-z.]*$//')"
VERSION=$kvers
cat > meta/kernel.yaml <<EOF
version: $kvers
EOF
cat > meta/snap.yaml <<EOF
name: $metaname
version: $VERSION
architectures: [$ARCH]
summary: The canonical $devarch $ARCH kernel
type: kernel
kernel: $(ls vmlinuz-*)
initrd: $(ls initrd.img-*)
modules: $(ls -d lib/modules/*)
firmware: lib/firmware
EOF
if [ -d dtbs ]; then
printf "dtbs: dtbs/ \n" >> meta/snap.yaml
fi
cd $HERE
apt-get -y install snapcraft
snapcraft snap snap
snapfile="$(ls $metaname*.snap)"
cp -a $snapfile $PREFIX.$snapname
)
done
fi
LB_LINUX_FLAVOURS=none
;;
esac
for FLAVOUR in $LB_LINUX_FLAVOURS; do
if [ -z "$LB_LINUX_FLAVOURS" ] || [ "$LB_LINUX_FLAVOURS" = "none" ]; then
continue
fi
if [ "$FLAVOUR" = "virtual" ]; then
# The virtual kernel is named generic in /boot
FLAVOUR="generic"
fi
KVERS="$( (cd "binary/$INITFS"; ls vmlinu?-* 2>/dev/null || true) | (fgrep -v .efi || true) | sed -n "s/^vmlinu.-\\([^-]*-[^-]*-$FLAVOUR\\)$/\\1/p" )"
if [ -z "$KVERS" ]; then
if [ -e "binary/$INITFS/vmlinuz" ]; then
# already renamed by ubuntu-defaults-image
break
fi
echo "No kernel output for $FLAVOUR!" >&2
exit 1
fi
NUMKVERS="$(set -- $KVERS; echo $#)"
if [ "$NUMKVERS" -gt 1 ]; then
echo "Cannot handle more than one kernel for $FLAVOUR ($KVERS)!" >&2
exit 1
fi
ln "binary/$INITFS/"vmlinu?-"$KVERS" "$PREFIX.kernel-$FLAVOUR"
if [ -e "binary/$INITFS/"vmlinu?-"$KVERS.efi.signed" ]; then
ln "binary/$INITFS/"vmlinu?-"$KVERS.efi.signed" "$PREFIX.kernel-$FLAVOUR.efi.signed"
chmod 644 "$PREFIX.kernel-$FLAVOUR.efi.signed"
fi
chmod 644 "$PREFIX.kernel-$FLAVOUR"
if [ -e "binary/$INITFS/initrd.img-$KVERS" ]; then
ln "binary/$INITFS/initrd.img-$KVERS" "$PREFIX.initrd-$FLAVOUR"
chmod 644 "$PREFIX.initrd-$FLAVOUR"
fi
done
NUMFLAVOURS="$(set -- $LB_LINUX_FLAVOURS; echo $#)"
if [ "$NUMFLAVOURS" = 1 ] && [ "$LB_LINUX_FLAVOURS" != "none" ]; then
# only one kernel flavour
if [ -e "binary/$INITFS/vmlinuz" ]; then
ln "binary/$INITFS/vmlinuz" "$PREFIX.kernel"
chmod 644 "$PREFIX.kernel"
else
ln -sf "$PREFIX.kernel-$LB_LINUX_FLAVOURS" "$PREFIX.kernel"
fi
if [ -e "binary/$INITFS/initrd.lz" ]; then
ln "binary/$INITFS/initrd.lz" "$PREFIX.initrd"
chmod 644 "$PREFIX.initrd"
else
ln -sf "$PREFIX.initrd-$LB_LINUX_FLAVOURS" "$PREFIX.initrd"
fi
fi
if [ "$SUBARCH" = "ac100" ]; then
# create the md5sum and size files for which we are actually doing all this
md5sum $PREFIX.rootfs.tar.gz >chroot/installer.md5
wc -c $PREFIX.rootfs.tar.gz >chroot/installer.size
INFO_DESC="$(lsb_release -d -s)"
INFO_STAMP=$(date +20%y%m%d-%H:%M)
echo "$INFO_DESC - $ARCH ($INFO_STAMP)" >chroot/media-info
# make sure update-initramfs feels cosy and warm in the environment
lb chroot_proc install "$@"
lb chroot_sysfs install "$@"
lb chroot_devpts install "$@"
# re-create initrd to contain the installer.md5 file
Chroot chroot "env FLASH_KERNEL_SKIP=1 update-initramfs -k all -t -u -v"
# create boot.img
Chroot chroot "abootimg --create /boot/installer-${KVERS}.img -f /boot/bootimg.cfg-$SUBARCH -r /boot/initrd.img-${KVERS} -k /boot/vmlinuz-${KVERS}"
# clean up
lb chroot_devpts remove "$@"
lb chroot_sysfs remove "$@"
lb chroot_proc remove "$@"
cp "chroot/boot/installer-${KVERS}.img" "$PREFIX.bootimg-$FLAVOUR"
ln -sf "$PREFIX.bootimg-$FLAVOUR" "$PREFIX.bootimg"
fi
if [ "$PROJECT" = "ubuntu-touch" ] || [ "$PROJECT" = "ubuntu-touch-custom" ]; then
sourceslist="chroot/etc/apt/sources.list"
lb chroot_proc install "$@"
lb chroot_sysfs install "$@"
lb chroot_devpts install "$@"
if [ -e "$PREFIX.manifest" ]; then
Chroot chroot "click list" | while read line; do
echo "click:$line" >>"$PREFIX.manifest"
done
fi
if [ -e chroot/etc/resolv.conf ]; then
mv chroot/etc/resolv.conf chroot/etc/resolv.conf.orig
fi
if [ -e /etc/resolv.conf ]; then
cp /etc/resolv.conf chroot/etc/resolv.conf
fi
mv "${sourceslist}" "${sourceslist}.orig"
mv "${sourceslist}.d" "${sourceslist}.d.orig"
echo "deb $LB_PARENT_MIRROR_CHROOT ${LB_DISTRIBUTION} main universe multiverse restricted" >$sourceslist
Chroot chroot "apt-get -y update"
Chroot chroot "apt-get -y install android"
if [ "$ARCH" = "armhf" ]; then
touchsubarches="flo mako generic"
for subarch in $touchsubarches; do
cp -v chroot/usr/share/android/product/*-preinstalled-system-armel+${subarch}.img\
"${PREFIX}.system-armel+${subarch}.img"
cp -v chroot/usr/share/android/product/*-preinstalled-recovery-armel+${subarch}.img\
"${PREFIX}.recovery-armel+${subarch}.img"
cp -v chroot/usr/share/android/product/*-preinstalled-boot-armhf+${subarch}.img\
"${PREFIX}.boot-armhf+${subarch}.img"
# drop this following line once cdimage can handle -boot-*.img
cp -v "${PREFIX}.boot-armhf+${subarch}.img" "${PREFIX}.bootimg-${subarch}"
done
fi
if [ "$ARCH" = "i386" ]; then
touchsubarches="generic_x86"
for subarch in $touchsubarches; do
cp -v chroot/usr/share/android/product/*-preinstalled-system-i386+${subarch}.img\
"${PREFIX}.system-i386+${subarch}.img"
cp -v chroot/usr/share/android/product/*-preinstalled-recovery-i386+${subarch}.img\
"${PREFIX}.recovery-i386+${subarch}.img"
cp -v chroot/usr/share/android/product/*-preinstalled-boot-i386+${subarch}.img\
"${PREFIX}.boot-i386+${subarch}.img"
# drop this following line once cdimage can handle -boot-*.img
cp -v "${PREFIX}.boot-i386+${subarch}.img" "${PREFIX}.bootimg-${subarch}"
done
fi
lb chroot_devpts remove "$@"
lb chroot_sysfs remove "$@"
lb chroot_proc remove "$@"
rm -rf chroot/etc/init/*.override
fi
# LTSP chroot building (only in 32bit and for Edubuntu (DVD))
case $PROJECT in
edubuntu-dvd)
if [ "$ARCH" = i386 ]; then
echo "Building LTSP chroot"
ltsp-build-client --base $(pwd) --mirror $LB_PARENT_MIRROR_BOOTSTRAP --arch $ARCH --dist $LB_PARENT_DISTRIBUTION --chroot ltsp-live --late-packages ldm-edubuntu-theme,plymouth-theme-edubuntu --purge-chroot --skipimage
mkdir -p images
mksquashfs ltsp-live images/ltsp-live.img -e cdrom
rm -Rf ltsp-live
if [ -f images/ltsp-live.img ]; then
mv images/ltsp-live.img livecd.$PROJECT-ltsp.squashfs
chmod 0644 livecd.$PROJECT-ltsp.squashfs
rmdir --ignore-fail-on-non-empty images
else
echo "LTSP: Unable to build the chroot, see above for details."
fi
fi
;;
esac
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