* Add ubuntu-server:live for a subiquity-based server image.

* Refactor functions out of ubuntu-cpc and ubuntu-server hooks.

debian/changelog

@@ -3,6 +3,10 @@ livecd-rootfs (2.441) UNRELEASED; urgency=medium
   [ Balint Reczey ]
   * Add a basic but configurable autopkgtest.
 
+  [ Mathieu Trudel-Lapierre ]
+  * Add ubuntu-server:live for a subiquity-based server image.
+  * Refactor functions out of ubuntu-cpc and ubuntu-server hooks.
+
  -- Steve Langasek <steve.langasek@ubuntu.com>  Mon, 10 Apr 2017 16:35:03 -0700
 
 livecd-rootfs (2.440) zesty; urgency=medium

live-build/auto/config

@@ -33,6 +33,9 @@ if [ -z "$MIRROR" ]; then
 	esac
 fi
 
+mkdir -p config
+cp -af /usr/share/livecd-rootfs/live-build/functions config/functions
+
 mkdir -p config/package-lists
 
 add_task ()
@@ -101,10 +104,13 @@ add_binary_hook ()
 	BINARY_HOOKS="${BINARY_HOOKS:+$BINARY_HOOKS }$1"
 }
 
-case $PROJECT in
+case $PROJECT:$SUBPROJECT in
-	ubuntu-cpc)
+	ubuntu-cpc:*)
 		IMAGEFORMAT=ext4
 		;;
+	ubuntu-server:live)
+		IMAGEFORMAT=plain
+		;;
 esac
 
 case $IMAGEFORMAT in
@@ -130,8 +136,14 @@ case $IMAGEFORMAT in
 
 	plain)
 		OPTS="${OPTS:+$OPTS }--initramfs none --chroot-filesystem $IMAGEFORMAT"
+		case $PROJECT:$SUBPROJECT in
+			ubuntu-server:live)
+				;;
+			*)
 				PREINSTALLED=true
 				;;
+		esac
+		;;
 
 	*)
 		case $PROJECT in
@@ -144,7 +156,7 @@ case $IMAGEFORMAT in
 		;;
 esac
 
-if [ "$PREINSTALLED" = "true" ] && [ "$SUBPROJECT" != "wubi" ]; then
+if [ "$PREINSTALLED" = "true" ]; then
 	# This is an oem-config preinstalled image, touch a random file that
 	# we can refer back to during build, cause that's wildly hackish
 	touch config/oem-config-preinstalled
@@ -363,6 +375,13 @@ case $PROJECT in
 
 	ubuntu-server)
 		add_task install minimal
+		case $SUBPROJECT in
+			live)
+				add_task install standard
+				add_task install server
+				LIVE_TASK='cloud-image'
+				;;
+		esac
 		COMPONENTS='main'
 		PREINSTALL_POOL_SEEDS='server-ship'
 		;;
@@ -694,15 +713,14 @@ EOF
 		;;
 esac
 
-case $PROJECT in
+if [ $PROJECT = ubuntu-server ] && [ $SUBPROJECT != live ]; then
-	ubuntu-server)
 	cat > config/hooks/100-remove-fstab.chroot <<EOF
 #! /bin/sh
 rm -f /etc/fstab
 EOF
-		;;
+fi
 
-	ubuntukylin)
+if [ $PROJECT = ubuntukylin ]; then
 	cat > config/hooks/100-ubuntukylin.chroot <<EOF
 #! /bin/sh
 set -e
@@ -712,8 +730,7 @@ if [ -x \$HOOK ]; then
 fi
 exit 0
 EOF
-		;;
+fi
-esac
 
 if $BINARY_REMOVE_LINUX; then
 	cat > config/binary_rootfs/excludes << EOF
@@ -748,7 +765,7 @@ EOF
 		fi
 		;;
 
-	ubuntu-touch:*|ubuntu-touch-custom:*|ubuntu-core:system-image|ubuntu-desktop-next:system-image|ubuntu-cpc:*)
+	ubuntu-touch:*|ubuntu-touch-custom:*|ubuntu-core:system-image|ubuntu-desktop-next:system-image|ubuntu-cpc:*|ubuntu-server:live)
 		cp -af /usr/share/livecd-rootfs/live-build/${PROJECT}/* \
 			config/
 		;;

live-build/functions

@@ -1,7 +1,7 @@
 # vi: ts=4 expandtab syntax=sh
 
-CLOUD_IMG_STR="# CLOUD_IMG: This file was created/modified by the Cloud Image build process"
+imagesize=${IMAGE_SIZE:-$((2252*1024**2))}  # 2.2G (the current size we ship)
-IMAGE_SIZE=$((2252*1024**2))  # 2.2G (the current size we ship)
+fs_label="${FS_LABEL:-rootfs}"
 
 rootfs_dev_mapper=
 loop_device=
@@ -28,13 +28,13 @@ clean_loops() {
 
 create_empty_disk_image() {
     # Prepare an empty disk image
-    dd if=/dev/zero of="$1" bs=1 count=0 seek="${IMAGE_SIZE}"
+    dd if=/dev/zero of="$1" bs=1 count=0 seek="${imagesize}"
 }
 
 make_ext4_partition() {
     device="$1"
-
+    label=${fs_label:+-L "${fs_label}"}
-    mkfs.ext4 -F -b 4096 -i 8192 -m 0 -L cloudimg-rootfs -E resize=536870912 "$device"
+    mkfs.ext4 -F -b 4096 -i 8192 -m 0 ${label} -E resize=536870912 "$device"
 }
 
 mount_image() {
@@ -87,6 +87,17 @@ mount_partition() {
     setup_mountpoint "$mountpoint"
 }
 
+mount_overlay() {
+    lower="$1"
+    upper="$2"
+    work="$2/../work"
+    path="$3"
+
+    mkdir -p "$work"
+    mount -t overlay overlay \
+	-olowerdir="$lower",upperdir="$upper",workdir="$work" \
+	"$path"
+}
 
 mount_disk_image() {
     local disk_image=${1}
@@ -103,7 +114,7 @@ mount_disk_image() {
     # such as updating grub and installing software
     cat > $mountpoint/usr/sbin/policy-rc.d << EOF
 #!/bin/sh
-# ${CLOUD_IMG_STR}
+# ${IMAGE_STR}
 echo "All runlevel operations denied by policy" >&2
 exit 101
 EOF
@@ -157,9 +168,7 @@ umount_disk_image() {
 
 modify_vmdk_header() {
     # Modify the VMDK headers so that both VirtualBox _and_ VMware can
-    # read the vmdk and import them. The vodoo here is _not_ documented
+    # read the vmdk and import them.
-    # anywhere....so this will have to do. This is undocumented vodoo
-    # that has been learned by the Cloud Image team.
 
     vmdk_name="${1}"
     descriptor=$(mktemp)
@@ -251,9 +260,9 @@ convert_to_qcow2() {
 
 replace_grub_root_with_label() {
     # When update-grub is run, it will detect the disks in the build system.
-    # Instead, we want grub to use the cloudimg-rootfs labelled disk
+    # Instead, we want grub to use the right labelled disk
     CHROOT_ROOT="$1"
 
-    sed -i -e "s,root=[^ ]\+,root=LABEL=cloudimg-rootfs," \
+    sed -i -e "s,root=[^ ]\+,root=LABEL=${fs_label}," \
         "$CHROOT_ROOT/boot/grub/grub.cfg"
 }

live-build/ubuntu-cpc/hooks/032-disk-image.binary

@@ -1,5 +1,8 @@
 #!/bin/bash -ex
 
+IMAGE_STR="# CLOUD_IMG: This file was created/modified by the Cloud Image build process"
+FS_LABEL="cloudimg-rootfs"
+
 . config/functions
 
 BOOTPART_START=

live-build/ubuntu-cpc/hooks/033-disk-image-uefi.binary

@@ -9,6 +9,9 @@ case $ARCH in
         ;;
 esac
 
+IMAGE_STR="# CLOUD_IMG: This file was created/modified by the Cloud Image build process"
+FS_LABEL="cloudimg-rootfs"
+
 . config/functions
 
 apt-get -qqy install dosfstools gdisk
@@ -75,7 +78,7 @@ install_grub() {
     esac
 
     cat << EOF >> mountpoint/etc/default/grub.d/50-cloudimg-settings.cfg
-${CLOUD_IMG_STR}
+${IMAGE_STR}
 # For Cloud Image compatability
 GRUB_PRELOAD_MODULES="${grub_modules}"
 EOF
@@ -90,7 +93,7 @@ EOF
 
     if [ -f mountpoint/boot/efi/EFI/BOOT/grub.cfg ]; then
         sed -i "s| root| root hd0,gpt1|" mountpoint/boot/efi/EFI/BOOT/grub.cfg
-        sed -i "1i${CLOUD_IMG_STR}" mountpoint/boot/efi/EFI/BOOT/grub.cfg
+        sed -i "1i${IMAGE_STR}" mountpoint/boot/efi/EFI/BOOT/grub.cfg
         # For some reason the grub disk is looking for /boot/grub/grub.cfg on
         # part 15....
         chroot mountpoint mkdir -p /boot/efi/boot/grub

live-build/ubuntu-cpc/hooks/034-disk-image-ppc64el.binary

@@ -7,6 +7,9 @@ case $ARCH in
         ;;
 esac
 
+IMAGE_STR="# CLOUD_IMG: This file was created/modified by the Cloud Image build process"
+FS_LABEL="cloudimg-rootfs"
+
 . config/functions
 
 create_partitions() {
@@ -33,7 +36,7 @@ install_grub() {
     # set the kernel commandline to use hvc0
     mkdir -p mountpoint/etc/default/grub.d
     cat << EOF > mountpoint/etc/default/grub.d/50-cloudimg-settings.cfg
-${CLOUD_IMG_STR}
+${IMAGE_STR}
 
 # Set the recordfail timeout
 GRUB_RECORDFAIL_TIMEOUT=0

live-build/ubuntu-cpc/hooks/999-extras.binary

@@ -8,8 +8,9 @@ if [ ! -d ${my_dir}/extra ]; then
     exit 0
 fi
 
-# Export the common functions to the extras
+export IMAGE_STR="# CLOUD_IMG: This file was created/modified by the Cloud Image build process"
-. config/functions
+export CLOUD_IMG_STR="$IMAGE_STR"
+export FS_LABEL="cloudimg-rootfs"
 
 # Cleaner execution
 /bin/run-parts --regex ".*\.binary" "${extra_d}"

live-build/ubuntu-server/hooks/01-setup_modules.chroot

@@ -0,0 +1,5 @@
+#!/bin/sh -x
+
+set -e
+
+mkdir -p /lib/modules

live-build/ubuntu-server/hooks/030-root-squashfs.binary

@@ -0,0 +1,37 @@
+#!/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
+
+apt-get -qqy install squashfs-tools
+
+squashfs_f="${PWD}/livecd.${PROJECT}.squashfs"
+squashfs_f_manifest="${squashfs_f}.manifest"
+
+dpkg-query --admindir=binary/boot/squashfs.dir/var/lib/dpkg -W > ${squashfs_f_manifest}
+
+(cd "binary/boot/squashfs.dir/" &&
+      mksquashfs . ${squashfs_f} \
+        -no-progress -xattrs -comp xz )

live-build/ubuntu-server/hooks/032-installer-squashfs.binary

@@ -0,0 +1,168 @@
+#!/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/functions
+
+SQUASH_ROOT=binary/boot/squashfs.dir
+OVERLAY_ROOT=binary/boot/overlay.dir
+
+mkdir -p "$OVERLAY_ROOT"
+
+setup_mountpoint binary/boot/squashfs.dir
+
+# Create an installer squashfs layer
+mount_overlay "$SQUASH_ROOT/" "$OVERLAY_ROOT/" "$SQUASH_ROOT/"
+
+# Prepare installer layer.
+
+# Install any requirements for the installer, for things we don't want
+# to see on the installed system
+chroot $SQUASH_ROOT apt-get update
+chroot $SQUASH_ROOT apt-get -y install user-setup
+chroot $SQUASH_ROOT apt-get -y install curtin
+
+# Don't let cloud-init run in the live session.
+touch $SQUASH_ROOT/etc/cloud/cloud-init.disabled
+
+# Do the snap seeding dance.
+chroot $SQUASH_ROOT mkdir -p /var/lib/snapd/seed/snaps /var/lib/snapd/seed/assertions
+chroot $SQUASH_ROOT sh -c '
+set -x;
+cd /var/lib/snapd/seed;
+sudo SNAPPY_STORE_NO_CDN=1 snap download core;
+sudo SNAPPY_STORE_NO_CDN=1 snap download --channel=edge subiquity;
+
+CORE_SNAP=$(ls -1 core*.snap);
+SUBIQUITY_SNAP=$(ls -1 subiquity*.snap);
+
+mv *.assert /var/lib/snapd/seed/assertions/;
+mv *.snap /var/lib/snapd/seed/snaps/;
+
+cat <<EOF > /var/lib/snapd/seed/seed.yaml
+snaps:
+ - name: core
+   channel: stable
+   file: ${CORE_SNAP}
+ - name: subiquity
+   channel: edge
+   classic: true
+   file: ${SUBIQUITY_SNAP}
+EOF
+'
+
+cat <<EOF > $SQUASH_ROOT/var/lib/snapd/seed/assertions/cyphermox.account
+type: account
+authority-id: canonical
+account-id: H0szZPjHTU4x04XeYjLyv8tJqYXq7cYk
+display-name: Mathieu Trudel
+timestamp: 2016-09-12T20:11:03.478544Z
+username: cyphermox
+validation: unproven
+sign-key-sha3-384: BWDEoaqyr25nF5SNCvEv2v7QnM9QsfCc0PBMYD_i2NGSQ32EF2d4D0hqUel3m8ul
+
+AcLBUgQAAQoABgUCV9cL1wAAbQIQAEa8X5Bf2achG/9gC2d9YHWE+Uk9/FXK58bZ4Ym5VDTPW2Es
+BZOTMA6ROcCrii8/HM88+5bKGGoYLVNjfYUosYfR31kkFT1z1payhs4zfhANTBHXQpeNlGASm9ua
+O1UkBNFJwYu+tRh9gsY5wuryjfxXndS2pzUm2fXlFB4I/FgQEZnKJP99C3H0cUkGHzEwadRc7vqu
+/B+mmlwX/pgzlUwt3EXkCpx0hvN4ZgSzyKAtLn+ij2XSe4MxptT/uGCY2tnqsSa+H6J+O0RYENYD
+Xa7MJLXSGS9iqOwBkTO5X1eHSNPUs0LqzAqz4zTL5Kd9c/ohFwPzZpO8ltLA2nhKEfHzofMsMjEi
+qwhCDQ5LZD93dQ/VWzmmrCi9cmy+mci7K+hEYLtopzbkMl7cFBVVc2pQlTArspsFy9aMurCs4m8K
+GfGJOmvYP4Rnn8YYVLtAIPbGADAzG4mxBDxc8r+NRCprDIJmVHed/aQo6gNNip6VHi7xORnAJYRI
+0XQThASCRYzZxEBv3iND0GzAlRdlOLA+x+jRt2CDg0qLQ5DmuXGePEkEyJEMQb+OBsFHrPcvX1UI
+eHoKL9ZyvcrhsuPmG92P2UYiGp7qeKYmPQFsWNNh/R18tgingyJbm75pAE8MrpyZ1TTyDEYhwzbm
+F5zdm4dy0k1EGMhTTDz/hzlE0Ugw
+EOF
+
+cat <<EOF > $SQUASH_ROOT/var/lib/snapd/seed/assertions/cyphermox-sn-test.account-key
+type: account-key
+authority-id: canonical
+public-key-sha3-384: vihTQiNMkgsi2g39sggy3k4EVGrkFyWMof_nIrCbhxSOO7U00PRD_TDeWrpqGNor
+account-id: H0szZPjHTU4x04XeYjLyv8tJqYXq7cYk
+name: cyphermox-sn-test
+since: 2017-03-14T21:24:50Z
+body-length: 717
+sign-key-sha3-384: BWDEoaqyr25nF5SNCvEv2v7QnM9QsfCc0PBMYD_i2NGSQ32EF2d4D0hqUel3m8ul
+
+AcbBTQRWhcGAARAAqJ9Xdy+csx9nQkipmldiKNsBKqwRh3HjwlnSrBm/YpI7Jbgs6zubD8Zj/hwr
+bQiu4E2d6aobJcn3cgNdTlCEXES1M3sC6vSmkuz2fXdHRsYD6V3l5rlPjlyWPGNajcKvn1lEyOxC
+j6efASJysX5lCDPfGy8Joe4OdeZxmPAwCJpuxpltlSMBlPjCHBgHMzv+C1zh9wkBuFh3wDIFP8ih
+hnzGN/UevSHMfZCGh3y20TzDHeaeI35hiHkaibQuifqVNMTjnxReYKHV2eAP8/2XpEhfMAU6AD/Y
+020ayr9REE/c6KTYq7Po7REzvUrWlG0KknBtHM7wCn9puo5HrM767K0H+ts6fsrvx5kRC5ZheVOf
+Jh3EoXYQYCL1EGw0bzU03Lxx0RQ6teEc0WTDzky54vFr6UHjCAwethpzZ7MtZRdfwW4r/jUcxwXR
+JXXKh03WK/ivhtr9KAROVkdUeMb/txp/8DvLW5zs7ohTaaC0qH5J+MMp0lm6ux0S8WyPmMOcb0SP
+0IwOTvQc1ALDG3SiUgtJRP9Kt5jeuWIltH0cYE+QGPzey+fJ+iJx0QmeVnF2+O2JH2RihR5uJIBE
+HzQlNMVZB/iyjgdCLamMUeqa6DAOpzR2haIRgaXKtK0G9Ho1ArEsXZsRiFYorhtxzrwGmkq7kGCw
+tsY2pTeILZO1QPMAEQEAAQ==
+
+AcLBUgQAAQoABgUCWMhfrAAAXn4QALo795LKWhSNlzI7KIz3hq6rFK1YVDbj3KXW8xoF1FEwyE51
+4s1hZXc5N5h7DO49pj7JcXtE+Vi2gV+X294BqRevglBZgMwUtXdHX29IgPAx0jR9ARybS9A0QQYV
+OaoKmnq+44p76D2gZz0blax18uROJCKfL6GCRw29/C/GJWpRnEEJlXC2DVD45vJeptSqLDcBL6z+
+AypoV9NhJlmGm2jxPg5Jm+BdkyCZSbfNMw2sBcjJbs63KHgE9XsaP6Frb9gBexwXCx8/U6Y2jFTL
+wmyHpXXjBY0et8ze2bcqcEsDeW30eFALki/+FfPzjTtxY/Xo/r2j78YMHVFOkWJYj3MZJ+LJ0UWC
+eM4xzJm2ROwxFhFpIqlIRtR6WUPIxAx3Fb1j3uDTSBXDYv/hjxhSLZpw3/AN7Rj7pLWnwfD3076i
+3R900ad3/tRQp8hlrn4H9zRxBwaCKhZ9h1kfmyHcVpf0Nk03Fe5tHTai0pdHpC6bPi798Iw6qt0r
+D7VoKv29fa55zlGRTAG9mW0cbgkKUq1SBtLnBSy+peluVGjJWgZ3j1K9waTEoQPiNn6/JJvg2GjK
+awZPm8R1ngBYQs/vGPhcfz8DGF3uwFzbSh/bLAKky22qrRypTtczDXw4H1LWPlUvB4cQfTY6Ad+w
+KaHPaPmuIpn1DVEfPhNeByz57PDu
+EOF
+
+cat <<EOF > $SQUASH_ROOT/var/lib/snapd/seed/assertions/cyphermox-classic.model
+type: model
+authority-id: H0szZPjHTU4x04XeYjLyv8tJqYXq7cYk
+series: 16
+brand-id: H0szZPjHTU4x04XeYjLyv8tJqYXq7cYk
+model: cyphermox-test-classic
+classic: true
+timestamp: 2017-03-15T14:32:45+00:00
+sign-key-sha3-384: vihTQiNMkgsi2g39sggy3k4EVGrkFyWMof_nIrCbhxSOO7U00PRD_TDeWrpqGNor
+
+AcLBXAQAAQoABgUCWMm5vAAKCRBdai1JSycAlUiAD/41bWorQOI343Ub/JVGFXN8aHXwZWh2iVzY
+m42QbHZSuyyLBLiEqauiQLvuFa3Dtb3i6GC6hdtOlf/sPwZISriWrNuO5qPXik5SqP5zZop/qy4y
+msWpG1S6M/aNqGVfUPIx0v7l9iTb4ZG9hyyxPwdE5lFj4nIqWlu6rIGPCGC+dfAS62PPkUGdXqzV
+VOA6/D2FgthhxywaZZwSLwzP/Ee+JAgeO17iX605Lb0dzy/5HmopM7G8wUgzidPUY9AIZ63gr+GP
+KyBrvwHzE6PbH9QjQy1Z7DhkThKeViocx67ewnBocBr75F09LfcVR+cAxMujSs7NBbYl444aQeth
+HUuLwvuH189KsnQdqF2Tfta5lkCn9Uqeshq2c2jGyYXBTpvxyQny4X+yQZF1uEalH3PRR+AxIT9Y
+2siMLMuRyS/iMhIkLToutzuhZS+7ujuGs7H4l9C0hUon9c+62XEIkNH4rjutR7lCuFbE3CMqVl9H
+lgGQ6HXl0uoJHEzK4T1+ipstSiujn9KD+8LCtkz0YWFmdWQ97VHB2Wmjp4c2bze+BojbqJyfJ2bo
+AAHP0AEiHQ7zN0yLl7+fkYIMy64xQJqamH1Z2BFN0GWMPwTjpXpszOC+ev7Bpbg0xoldQ1tBHHxH
+J4Weia71DnXOnt8cj1VhebVMlyv7B/TGAbGwgprgmQ==
+EOF
+
+mv resolv.conf.tmp "binary/boot/squashfs.dir/etc/resolv.conf"
+
+# Unmount the overlay first, where it is mounted:
+umount "$SQUASH_ROOT"
+
+# Then we can start unmounting the "real" root:
+umount "binary/boot/squashfs.dir/proc"
+umount "binary/boot/squashfs.dir/sys"
+umount "binary/boot/squashfs.dir/dev/pts"
+umount "binary/boot/squashfs.dir/dev"
+umount "binary/boot/squashfs.dir/tmp"
+
+apt-get -qqy install squashfs-tools
+
+squashfs_f="${PWD}/livecd.${PROJECT}.installer.squashfs"
+
+(cd "$OVERLAY_ROOT/" &&
+      mksquashfs . ${squashfs_f} \
+        -no-progress -xattrs -comp xz )

live-build/ubuntu-server/hooks/99-fix-resolvconf.chroot

@@ -0,0 +1,3 @@
+#!/bin/sh
+
+ln -snf ../run/resolvconf/resolv.conf /etc/resolv.conf

live-build/ubuntu-server/includes.binary/boot/overlay.dir/lib/systemd/system/getty@.service.d/autologin.conf

@@ -0,0 +1,3 @@
+[Service]
+ExecStart=
+ExecStart=-/sbin/agetty --noclear -n --autologin ubuntu %I $TERM

live-build/ubuntu-server/includes.binary/boot/overlay.dir/lib/systemd/system/multi-user.target.wants/subiquity.service

@@ -0,0 +1 @@
+../subiquity.service

live-build/ubuntu-server/includes.binary/boot/overlay.dir/lib/systemd/system/subiquity-debug@.service

@@ -0,0 +1,30 @@
+[Unit]
+Description=Subiquity debug shell %I
+After=systemd-user-sessions.service plymouth-quit-wait.service
+After=rc-local.service
+IgnoreOnIsolate=yes
+ConditionPathExists=/dev/tty0
+ConditionPathExists=!/run/subiquity/complete
+
+[Service]
+Environment=PYTHONPATH=/usr/share/subiquity
+ExecStartPre=/bin/systemctl stop getty@%I
+ExecStart=/sbin/agetty -n --noclear -l /usr/share/subiquity/subiquity-debug %I $TERM
+ExecStopPost=/bin/systemctl start getty@%I
+Type=idle
+Restart=always
+RestartSec=0
+UtmpIdentifier=%I
+TTYPath=/dev/%I
+TTYReset=yes
+TTYVHangup=yes
+TTYVTDisallocate=yes
+KillMode=process
+IgnoreSIGPIPE=no
+SendSIGHUP=yes
+
+#KillMode=process
+#Restart=always
+#StandardInput=tty-force
+#StandardOutput=tty
+#StandardError=tty

live-build/ubuntu-server/includes.binary/boot/overlay.dir/lib/systemd/system/subiquity.service

@@ -0,0 +1,31 @@
+[Unit]
+Description=Subiquity, the installer for Ubuntu Server
+After=systemd-user-sessions.service plymouth-quit-wait.service
+After=rc-local.service
+Requires=snapd.service
+IgnoreOnIsolate=yes
+ConditionPathExists=/dev/tty0
+ConditionPathExists=!/run/subiquity/complete
+
+[Service]
+Environment=PYTHONPATH=/usr/share/subiquity
+ExecStartPre=/bin/systemctl stop getty@tty1
+ExecStart=/sbin/agetty -n --noclear -l /snap/bin/subiquity tty1 $TERM
+ExecStopPost=/bin/systemctl start getty@tty1
+Type=idle
+Restart=always
+RestartSec=0
+UtmpIdentifier=tty1
+TTYPath=/dev/tty1
+TTYReset=yes
+TTYVHangup=yes
+TTYVTDisallocate=yes
+KillMode=process
+IgnoreSIGPIPE=no
+SendSIGHUP=yes
+
+#KillMode=process
+#Restart=always
+#StandardInput=tty-force
+#StandardOutput=tty
+#StandardError=tty

live-build/ubuntu-server/includes.chroot/etc/hosts

@@ -0,0 +1,9 @@
+127.0.0.1	localhost.localdomain	localhost
+::1		localhost6.localdomain6	localhost6
+
+# The following lines are desirable for IPv6 capable hosts
+::1     localhost ip6-localhost ip6-loopback
+fe00::0 ip6-localnet
+ff02::1 ip6-allnodes
+ff02::2 ip6-allrouters
+ff02::3 ip6-allhosts