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adjust hooks for move of live-server to layers

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bdmurray/intel-iot-models
Michael Hudson-Doyle 4 years ago
parent e06046aaa0
commit fc890b15e7
6 changed files with 70 additions and 224 deletions
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17
live-build/ubuntu-server/hooks/02-installer-bits.chroot
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#!/bin/bash -ex
# vi: ts=4 noexpandtab
if [ "${PASS}" != "ubuntu-server.installer" ]; then
exit 0
fi
# Make sure NoCloud is last
values=$(echo get cloud-init/datasources | debconf-communicate | sed 's/^0 //;s/NoCloud, //;s/None/NoCloud, None/')
printf "%s\t%s\t%s\t%s\n" \
cloud-init cloud-init/datasources multiselect "$values" | debconf-set-selections
dpkg-reconfigure --frontend=noninteractive cloud-init
if [ `dpkg --print-architecture` = s390x ]; then
# because z/VM x3270 is just ttyS0
cp -r /usr/lib/systemd/system/serial-getty@sclp_line0.service.d /usr/lib/systemd/system/serial-getty@ttyS0.service.d
fi

37
live-build/ubuntu-server/hooks/03-kernel-metapkg.chroot_early
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#!/bin/bash -ex
# vi: ts=4 noexpandtab
case $PASS in
ubuntu-server.installer.*)
flavor=${PASS##*.}
if [ "$flavor" = "generic" ]; then
kernel_metapkg=linux-generic
elif [ "$flavor" = "generic-hwe" ]; then
kernel_metapkg=linux-generic-hwe-$(lsb_release -sr)
else
echo "bogus flavor: $flavor"
exit 1
fi
;;
*)
exit 0
;;
esac
cat <<EOF > /etc/initramfs-tools/scripts/init-bottom/live-server
#!/bin/sh
case \$1 in
prereqs) exit 0;;
esac
echo ${kernel_metapkg} > /run/kernel-meta-package
EOF
chmod +x /etc/initramfs-tools/scripts/init-bottom/live-server
cat <<EOF > /etc/initramfs-tools/conf.d/casperize.conf
export CASPER_GENERATE_UUID=1
EOF
cat <<EOF > /etc/initramfs-tools/conf.d/default-layer.conf
LAYERFS_PATH=${PASS}.squashfs
EOF

33
live-build/ubuntu-server/hooks/030-root-squashfs.binary
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#!/bin/bash -ex
# vi: ts=4 noexpandtab
#
# Generate a squashfs root and manifest
set -x
echo "030-root-squashfs.binary"
case $IMAGE_TARGETS in
""|*squashfs*)
;;
*)
echo "Skipping squashfs build"
exit 0
;;
esac
if [ -n "$SUBARCH" ]; then
echo "Skipping rootfs build for subarch flavor build"
exit 0
fi
. config/functions
mkdir binary/boot/squashfs.dir
cp -a chroot/* binary/boot/squashfs.dir
squashfs_f="${PWD}/livecd.${PROJECT}.squashfs"
squashfs_f_manifest="${squashfs_f}.manifest"
create_manifest "binary/boot/squashfs.dir" "${squashfs_f_manifest}"
create_squashfs "binary/boot/squashfs.dir/" ${squashfs_f}

97
live-build/ubuntu-server/hooks/032-installer-squashfs.binary
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#!/bin/bash -ex
# vi: ts=4 noexpandtab
#
# Generate a squashfs root and manifest
set -x
echo "032-installer-squashfs.binary"
case $IMAGE_TARGETS in
""|*squashfs*)
;;
*)
echo "Skipping squashfs build"
exit 0
;;
esac
if [ -n "$SUBARCH" ]; then
echo "Skipping rootfs build for subarch flavor build"
exit 0
fi
. config/binary
. config/functions
. config/common
FILESYSTEM_ROOT=binary/boot/squashfs.dir
INSTALLER_ROOT=binary/boot/installer.squashfs.dir
OVERLAY_ROOT=binary/overlay
mkdir -p "$INSTALLER_ROOT" "$OVERLAY_ROOT"
# Create an installer squashfs layer
mount_overlay "$FILESYSTEM_ROOT/" "$OVERLAY_ROOT/" "$INSTALLER_ROOT/"
setup_mountpoint "$INSTALLER_ROOT"
# Override JobRunningTimeoutSec to 0s on the .device unit that
# subiquity_config.mount depends on to avoid a 5s delay on switching
# to a new VT when there is no device there (LP: #1750117).
# It would be better to have this in ../includes.binary/overlay but
# you can't have backslashes in filenames in bzr branches!
ANSWERS_DEVICE_UNIT='dev-disk-by\x2duuid-00c629d6\x2d06ab\x2d4dfd\x2db21e\x2dc3186f34105d.device'
mkdir -p "$INSTALLER_ROOT/etc/systemd/system/$ANSWERS_DEVICE_UNIT.d"
cat > "$INSTALLER_ROOT/etc/systemd/system/$ANSWERS_DEVICE_UNIT.d/override.conf" <<EOF
[Unit]
JobRunningTimeoutSec=0s
Wants=subiquity_config.mount
EOF
# Prepare installer layer.
# Install:
# 1. linux-firmware for kernel to upload into hardware.
# 2. casper for live session magic.
# 3. openssh-server to enable the "ssh into live session" feature
chroot $INSTALLER_ROOT apt-get -y install linux-firmware lupin-casper openssh-server
# Make sure NoCloud is last
values=$(echo get cloud-init/datasources | chroot $INSTALLER_ROOT debconf-communicate | sed 's/^0 //;s/NoCloud, //;s/None/NoCloud, None/')
printf "%s\t%s\t%s\t%s\n" \
cloud-init cloud-init/datasources multiselect "$values" |
chroot $INSTALLER_ROOT debconf-set-selections
chroot $INSTALLER_ROOT dpkg-reconfigure --frontend=noninteractive cloud-init
if [ `dpkg --print-architecture` = s390x ]; then
chroot $INSTALLER_ROOT apt-get -y install s390-tools-zkey
# because z/VM x3270 is just ttyS0
cp -r $INSTALLER_ROOT/usr/lib/systemd/system/serial-getty@sclp_line0.service.d $INSTALLER_ROOT/usr/lib/systemd/system/serial-getty@ttyS0.service.d
fi
chroot $INSTALLER_ROOT apt-get clean
# For bug #1743643 "Install to dirty disk with swap fails" remove the
# "helpful" casper script that mounts any swap partitions it finds.
rm -f $INSTALLER_ROOT/usr/share/initramfs-tools/scripts/casper-bottom/*swap
# Preseed subiquity into installer layer
snap_prepare $INSTALLER_ROOT
snap_preseed $INSTALLER_ROOT subiquity/classic
# Drop lxd from the installer layer preseed
sed -i -e'N;/name: lxd/,+2d' $INSTALLER_ROOT/var/lib/snapd/seed/seed.yaml
teardown_mountpoint "$INSTALLER_ROOT"
# Drop any snaps that got copied up from base layer, due to
# snap-preseed tool doing --reset & speedup
for snap in $(cd $OVERLAY_ROOT/; find var/lib/snapd/ -name '*.snap'); do
if [ -f $FILESYSTEM_ROOT/$snap ]; then
echo "removing $snap from overlay as already present in base layer"
rm $OVERLAY_ROOT/$snap
fi
done
squashfs_f="${PWD}/livecd.${PROJECT}.installer.squashfs"
create_squashfs "$OVERLAY_ROOT/" ${squashfs_f}

94
live-build/ubuntu-server/hooks/033-kernel-bits.binary
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#!/bin/bash -eux
# vi: ts=4 noexpandtab
#
# Generate a squashfs root and manifest
echo "033-kernel-bits.binary"
case ${IMAGE_TARGETS-} in
""|*squashfs*)
;;
*)
echo "Skipping squashfs build"
exit 0
;;
esac
if [ -n "${SUBARCH-}" ]; then
echo "Skipping rootfs build for subarch flavor build"
exit 0
fi
. config/functions
. config/common
INSTALLER_ROOT=binary/boot/installer.squashfs.dir
KERNEL_BITS_ROOT=binary/boot/kernel-bits.dir
KERNEL_BITS_OVERLAY=binary/boot/overlay-kernel-bits
#variants='ga hwe'
variants='ga'
for variant in $variants; do
if [ "$variant" = "ga" ]; then
kernel_metapkg=linux-generic
flavor=generic
elif [ "$variant" = "hwe" ]; then
kernel_metapkg=linux-generic-hwe-$(lsb_release -sr)
flavor=generic-hwe
else
echo "bogus variant: $variant"
exit 1
fi
# Make preparations
mkdir -p $KERNEL_BITS_ROOT $KERNEL_BITS_OVERLAY
mount_overlay "$INSTALLER_ROOT/" "$KERNEL_BITS_OVERLAY/" "$KERNEL_BITS_ROOT/"
setup_mountpoint $KERNEL_BITS_ROOT
# Our initramfs hook implements a kind of extreme version of
# cloud-initramfs-copymods, so remove that and prevent duelling hooks
env DEBIAN_FRONTEND=noninteractive chroot $KERNEL_BITS_ROOT apt-get -y remove cloud-initramfs-copymods ubuntu-server || true
# Configure initramfs creation
mkdir -p "$KERNEL_BITS_ROOT"/etc/initramfs-tools/conf.d/
if [ -n "$LB_INITRAMFS_COMPRESSION" ]; then
echo "COMPRESS=$LB_INITRAMFS_COMPRESSION" > "$KERNEL_BITS_ROOT"/etc/initramfs-tools/conf.d/livecd-rootfs.conf
fi
echo "export CASPER_GENERATE_UUID=1" > "$KERNEL_BITS_ROOT"/etc/initramfs-tools/conf.d/casper.conf
# Add a hook to record which kernel was booted and mount the
# modules.squashfs created below.
cat <<EOF > "$KERNEL_BITS_ROOT"/etc/initramfs-tools/scripts/init-bottom/live-server
#!/bin/sh
case \$1 in
prereqs) exit 0;;
esac
echo ${kernel_metapkg} > /run/kernel-meta-package
mkdir -p \$rootmnt/usr/lib/modules
mount \$rootmnt/cdrom/casper/extras/modules.squashfs-$flavor \$rootmnt/usr/lib/modules
mkdir -p /run/systemd/system/usr-lib-modules.mount.d
echo '[Mount]' >> /run/systemd/system/usr-lib-modules.mount.d/lazy.conf
echo 'LazyUnmount=yes' >> /run/systemd/system/usr-lib-modules.mount.d/lazy.conf
EOF
chmod +x "$KERNEL_BITS_ROOT"/etc/initramfs-tools/scripts/init-bottom/live-server
# Install the kernel!
env DEBIAN_FRONTEND=noninteractive chroot $KERNEL_BITS_ROOT apt-get -y install ${kernel_metapkg}
# Fish out generated kernel image and initrd
mv "$KERNEL_BITS_ROOT"/boot/initrd.img-* ${PWD}/livecd.${PROJECT}.initrd-$flavor
mv "$KERNEL_BITS_ROOT"/boot/vmlinu?-* ${PWD}/livecd.${PROJECT}.kernel-$flavor
# Create squashfs containing all the modules
modules_squashfs_path="${PWD}/livecd.${PROJECT}.modules.squashfs-$flavor"
(cd "$KERNEL_BITS_ROOT/lib/modules" &&
mksquashfs . $modules_squashfs_path -no-progress -xattrs -comp xz)
# And clean up
teardown_mountpoint $KERNEL_BITS_ROOT
umount $KERNEL_BITS_ROOT
rm -rf $KERNEL_BITS_ROOT $KERNEL_BITS_OVERLAY
done

16
live-build/ubuntu-server/hooks/04-kernel-bits.binary
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#!/bin/bash -eux
# vi: ts=4 noexpandtab
case $PASS in
ubuntu-server.installer.*)
flavor=${PASS##*.}
;;
*)
exit 0
;;
esac
# Fish out generated kernel image and initrd
mv chroot/boot/initrd.img-* ${PWD}/livecd.${PROJECT}.initrd-$flavor
mv chroot/boot/vmlinu?-* ${PWD}/livecd.${PROJECT}.kernel-$flavor
chmod a+r ${PWD}/livecd.${PROJECT}.initrd-$flavor ${PWD}/livecd.${PROJECT}.kernel-$flavor
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