livecd-rootfs/live-build/ubuntu-server/hooks/031-maas-squashfs.binary

#!/bin/bash -ex
# vi: ts=4 noexpandtab
#
# Generate a squashfs root and manifest

set -x

echo "031-maas-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
. config/common

SQUASH_ROOT=binary/boot/squashfs.dir

RACK_ROOT=binary/boot/squashfs-rack.dir
REGION_ROOT=binary/boot/squashfs-region.dir

OVERLAY_RACK_ROOT=binary/overlay-maas-rack
OVERLAY_REGION_ROOT=binary/overlay-maas-region

mkdir -p "$RACK_ROOT"
mkdir -p "$REGION_ROOT"

mkdir -p "$OVERLAY_RACK_ROOT"
mkdir -p "$OVERLAY_REGION_ROOT"

# RACK is on top of the regular squashfs

mount_overlay "$SQUASH_ROOT/" "$OVERLAY_RACK_ROOT/" "$RACK_ROOT/" "RACK"

setup_mountpoint $RACK_ROOT
env DEBIAN_FRONTEND=noninteractive chroot $RACK_ROOT apt-get -y install maas-rack-controller
teardown_mountpoint $RACK_ROOT

umount "$RACK_ROOT"

# Full MAAS (Region) is on top of the rack
# in overlayfs lowerdir are mounted right to left, colon separated
mount_overlay "$OVERLAY_RACK_ROOT/:$SQUASH_ROOT/" "$OVERLAY_REGION_ROOT/" "$REGION_ROOT/" "REGION"

setup_mountpoint $REGION_ROOT
env DEBIAN_FRONTEND=noninteractive chroot $REGION_ROOT apt-get -y install maas
chroot $REGION_ROOT pg_ctlcluster 10 main stop
teardown_mountpoint "$REGION_ROOT"

umount "$REGION_ROOT"

squashfs_rack_f="${PWD}/livecd.${PROJECT}.maas-rack.squashfs"

(cd "$OVERLAY_RACK_ROOT/" &&
      mksquashfs . ${squashfs_rack_f} \
        -no-progress -xattrs -comp xz )

squashfs_region_f="${PWD}/livecd.${PROJECT}.maas-region.squashfs"

(cd "$OVERLAY_REGION_ROOT/" &&
      mksquashfs . ${squashfs_region_f} \
        -no-progress -xattrs -comp xz )