4 files changed, 93 insertions, 13 deletions
diff --git a/share/create-scripts/debootstrap b/share/create-scripts/bootstrap
index bef75b1..a332d4d 100755
--- a/share/create-scripts/debootstrap
+++ b/share/create-scripts/bootstrap
@@ -24,6 +24,7 @@ SOFTWARE="compute-tools"
 PROGRAM="container"
 
 SCRIPT="$(basename ${0})"
+DIRECTORY="$(dirname ${0})"
 
 HOOKS="/etc/${SOFTWARE}/hooks"
 MACHINES="/var/lib/machines"
@@ -109,15 +110,15 @@ case "${SCRIPT}" in
 		BOOTSTRAP_OPTIONS=""
 		;;
 
-	debootstrap)
-		BOOTSTRAP="/usr/sbin/debootstrap"
-		BOOTSTRAP_OPTIONS=""
-		;;
-
 	mmdebstrap)
 		BOOTSTRAP="/usr/bin/mmdebstrap"
 		BOOTSTRAP_OPTIONS="--mode=root"
 		;;
+
+	*)
+		BOOTSTRAP="/usr/sbin/debootstrap"
+		BOOTSTRAP_OPTIONS=""
+		;;
 esac
 
 if [ ! -x "${BOOTSTRAP}" ]
@@ -135,7 +136,6 @@ fi
 ARCHITECTURE="${ARCHITECTURE:-$(dpkg --print-architecture)}"
 DISTRIBUTION="${DISTRIBUTION:-bullseye}"
 MIRROR="${MIRROR:-https://deb.debian.org/debian}"
-PASSWORD="${PASSWORD:-$(dd if=/dev/urandom bs=12 count=1 2> /dev/null | base64)}"
 
 INCLUDE="dbus"
 
@@ -158,15 +158,16 @@ done
 mkdir -p "${MACHINES}"
 ${BOOTSTRAP} ${BOOTSTRAP_OPTIONS} --arch=${ARCHITECTURE} --include=${INCLUDE} ${DISTRIBUTION} ${MACHINES}/${NAME} ${MIRROR}
 
-# Cleaning apt cache
-chroot "${MACHINES}/${NAME}" apt clean
+SYSTEM_NAME="${NAME}"
+SYSTEM_PATH="${MACHINES}/${NAME}"
+SYSTEM_ROOT_PASSWORD="${PASSWORD}"
 
-# Setting hostname
-echo "${NAME}" > "${MACHINES}/${NAME}/etc/hostname"
+export SYSTEM_NAME SYSTEM_PATH SYSTEM_ROOT_PASSWORD
 
-# Setting root password
-echo root:${PASSWORD} | chroot "${MACHINES}/${NAME}" chpasswd
-echo "${NAME}: root password set to '${PASSWORD}'."
+# Customization
+"${DIRECTORY}"/parts/chroot_clean-apt-archives
+"${DIRECTORY}"/parts/chroot_config-root-password
+"${DIRECTORY}"/parts/chroot_config-system-hostname
 
 # Post hooks
 for FILE in "${HOOKS}/post-${SCRIPT}".* "${HOOKS}/${NAME}.post-${SCRIPT}"
diff --git a/share/create-scripts/parts/chroot_clean-apt-archives b/share/create-scripts/parts/chroot_clean-apt-archives
new file mode 100755
index 0000000..5c86cf0
--- /dev/null
+++ b/share/create-scripts/parts/chroot_clean-apt-archives
@@ -0,0 +1,23 @@
+#!/bin/sh
+
+# Copyright (C) 2014-2021 Daniel Baumann <daniel.baumann@open-infrastructure.net>
+#
+# SPDX-License-Identifier: GPL-3.0+
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+set -e
+
+echo "${SYSTEM_NAME}: cleaning apt archives"
+chroot "${SYSTEM_PATH}" apt-get clean
diff --git a/share/create-scripts/parts/chroot_config-root-password b/share/create-scripts/parts/chroot_config-root-password
new file mode 100755
index 0000000..4868ccd
--- /dev/null
+++ b/share/create-scripts/parts/chroot_config-root-password
@@ -0,0 +1,33 @@
+#!/bin/sh
+
+# Copyright (C) 2014-2021 Daniel Baumann <daniel.baumann@open-infrastructure.net>
+#
+# SPDX-License-Identifier: GPL-3.0+
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+set -e
+
+if [ -e "${SYSTEM_ROOT_PASSWORD}" ]
+then
+	SYSTEM_ROOT_PASSWORD="$(head -n1 ${SYSTEM_ROOT_PASSWORD})"
+fi
+
+if [ -z "${SYSTEM_ROOT_PASSWORD}" ]
+then
+	SYSTEM_ROOT_PASSWORD="$(dd if=/dev/urandom bs=12 count=1 2> /dev/null | base64)"
+fi
+
+echo "${SYSTEM_NAME}: setting root password to '${SYSTEM_ROOT_PASSWORD}'"
+echo root:${SYSTEM_ROOT_PASSWORD} | chroot "${SYSTEM_PATH}" chpasswd
diff --git a/share/create-scripts/parts/chroot_config-system-hostname b/share/create-scripts/parts/chroot_config-system-hostname
new file mode 100755
index 0000000..7580f45
--- /dev/null
+++ b/share/create-scripts/parts/chroot_config-system-hostname
@@ -0,0 +1,23 @@
+#!/bin/sh
+
+# Copyright (C) 2014-2021 Daniel Baumann <daniel.baumann@open-infrastructure.net>
+#
+# SPDX-License-Identifier: GPL-3.0+
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+set -e
+
+echo "${SYSTEM_NAME}: setting hostname"
+echo "${SYSTEM_NAME}" > "${SYSTEM_PATH}/etc/hostname"