forked from neil/lxc-templates
833 lines
25 KiB
Bash
833 lines
25 KiB
Bash
#!/bin/bash
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#
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# lxc: linux Container library
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# Authors:
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# Daniel Lezcano <daniel.lezcano@free.fr>
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# Greg Olsen <gregolsen@computer.org>
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# Tanya <tanyadegurechaff@waifu.club>
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# This library is free software; you can redistribute it and/or
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# modify it under the terms of the GNU Lesser General Public
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# License as published by the Free Software Foundation; either
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# version 2.1 of the License, or (at your option) any later version.
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# This library is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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# Lesser General Public License for more details.
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# You should have received a copy of the GNU Lesser General Public
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# License along with this library; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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# Detect use under userns (unsupported)
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for arg in "$@"; do
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[ "$arg" = "--" ] && break
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if [ "$arg" = "--mapped-uid" -o "$arg" = "--mapped-gid" ]; then
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echo "This template can't be used for unprivileged containers." 1>&2
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echo "You may want to try the \"download\" template instead." 1>&2
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exit 1
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fi
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done
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# Make sure the usual locations are in PATH
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export PATH=$PATH:/usr/sbin:/usr/bin:/sbin:/bin
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export GREP_OPTIONS=""
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MIRROR=${MIRROR:-http://deb.devuan.org/merged}
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SECURITY_MIRROR=${SECURITY_MIRROR:-http://deb.devuan.org/merged}
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LOCALSTATEDIR="@LOCALSTATEDIR@"
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LXC_TEMPLATE_CONFIG="@LXCTEMPLATECONFIG@"
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# Allows the lxc-cache directory to be set by environment variable
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LXC_CACHE_PATH=${LXC_CACHE_PATH:-"$LOCALSTATEDIR/cache/lxc"}
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DOWNLOAD_KEYRING=${DOWNLOAD_KEYRING:-1}
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find_interpreter()
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{
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given_interpreter=$(basename "$1")
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if [ ! -d /proc/sys/fs/binfmt_misc/ ] ; then
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return 1
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fi
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for file in /proc/sys/fs/binfmt_misc/* ; do
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if [ "$file" = "/proc/sys/fs/binfmt_misc/register" -o \
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"$file" = "/proc/sys/fs/binfmt_misc/status" ] ; then
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continue
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fi
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interpreter_path=$(sed -n "/^interpreter/s/interpreter \([^[:space:]]*\)/\1/p" "$file")
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interpreter=$(basename "$interpreter_path")
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if [ "$given_interpreter" = "$interpreter" ] ; then
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echo "$interpreter_path"
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return 0
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fi
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done
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return 1
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}
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release_info() {
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if wget "${1}/dists/${release}/Release" -O /dev/null --quiet 2> /dev/null; then
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local release_file=$(wget "${1}/dists/${release}/Release" -O - --quiet 2> /dev/null)
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distro_suite=${release_file#*Suite: }
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distro_suite=${distro_suite%%$'\n'*}
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return 0
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fi
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return 1
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}
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configure_devuan()
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{
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rootfs=$1
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hostname=$2
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num_tty=$3
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# squeeze only has /dev/tty and /dev/tty0 by default,
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# therefore creating missing device nodes for tty1-4.
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for tty in $(seq 1 "$num_tty"); do
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if [ ! -e "$rootfs/dev/tty$tty" ]; then
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mknod "$rootfs/dev/tty$tty" c 4 "$tty"
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fi
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done
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# configure the inittab
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cat <<EOF > $rootfs/etc/inittab
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id:3:initdefault:
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si::sysinit:/etc/init.d/rcS
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l0:0:wait:/etc/init.d/rc 0
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l1:1:wait:/etc/init.d/rc 1
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l2:2:wait:/etc/init.d/rc 2
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l3:3:wait:/etc/init.d/rc 3
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l4:4:wait:/etc/init.d/rc 4
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l5:5:wait:/etc/init.d/rc 5
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l6:6:wait:/etc/init.d/rc 6
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# Normally not reached, but fallthrough in case of emergency.
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z6:6:respawn:/sbin/sulogin
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1:2345:respawn:/sbin/getty 38400 console
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$(for tty in $(seq 1 "$num_tty"); do echo "c${tty}:12345:respawn:/sbin/getty 38400 tty${tty} linux" ; done;)
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p6::ctrlaltdel:/sbin/init 6
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p0::powerfail:/sbin/init 0
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EOF
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# symlink mtab
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[ -e "$rootfs/etc/mtab" ] && rm "$rootfs/etc/mtab"
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ln -s /proc/self/mounts "$rootfs/etc/mtab"
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# disable selinux in devuan
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mkdir -p "$rootfs/selinux"
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echo 0 > "$rootfs/selinux/enforce"
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# remove links protection settings
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rm -f "$rootfs/etc/sysctl.d/protect-links.conf"
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# configure the network using the dhcp
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cat <<EOF > $rootfs/etc/network/interfaces
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auto lo
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iface lo inet loopback
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auto eth0
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iface eth0 inet dhcp
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EOF
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# set the hostname
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cat <<EOF > $rootfs/etc/hostname
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$hostname
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EOF
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# set minimal hosts
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cat <<EOF > $rootfs/etc/hosts
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127.0.0.1 localhost
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127.0.1.1 $hostname
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# The following lines are desirable for IPv6 capable hosts
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::1 localhost ip6-localhost ip6-loopback
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ff02::1 ip6-allnodes
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ff02::2 ip6-allrouters
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EOF
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# reconfigure some services
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# but first reconfigure locales - so we get no noisy perl-warnings
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if [ -z "$LANG" ] || echo $LANG | grep -E -q "^C(\..+)*$"; then
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cat >> "$rootfs/etc/locale.gen" << EOF
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en_US.UTF-8 UTF-8
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EOF
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chroot "$rootfs" locale-gen en_US.UTF-8 UTF-8
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chroot "$rootfs" update-locale LANG=en_US.UTF-8
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else
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encoding=$(locale charmap)
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[ -z "${encoding}" ] && encoding="UTF-8"
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chroot "$rootfs" sed -e "s/^# \(${LANG} ${encoding}\)/\1/" \
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-i /etc/locale.gen 2> /dev/null
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cat >> "$rootfs/etc/locale.gen" << EOF
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$LANG $encoding
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EOF
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chroot "$rootfs" locale-gen "$LANG" "$encoding"
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chroot "$rootfs" update-locale LANG="$LANG"
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fi
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# remove pointless services in a container
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chroot "$rootfs" /usr/sbin/update-rc.d -f checkroot.sh disable
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chroot "$rootfs" /usr/sbin/update-rc.d -f umountfs disable
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chroot "$rootfs" /usr/sbin/update-rc.d -f hwclock.sh disable
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chroot "$rootfs" /usr/sbin/update-rc.d -f hwclockfirst.sh disable
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# generate new SSH keys
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if [ -x "$rootfs/var/lib/dpkg/info/openssh-server.postinst" ]; then
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cat > "$rootfs/usr/sbin/policy-rc.d" << EOF
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#!/bin/sh
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exit 101
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EOF
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chmod +x "$rootfs/usr/sbin/policy-rc.d"
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if [ -f "$rootfs/etc/init/ssh.conf" ]; then
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mv "$rootfs/etc/init/ssh.conf" "$rootfs/etc/init/ssh.conf.disabled"
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fi
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rm -f "$rootfs/etc/ssh/"ssh_host_*key*
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DPKG_MAINTSCRIPT_PACKAGE=openssh DPKG_MAINTSCRIPT_NAME=postinst chroot "$rootfs" /var/lib/dpkg/info/openssh-server.postinst configure
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sed -i "s/root@$(hostname)/root@$hostname/g" "$rootfs/etc/ssh/"ssh_host_*.pub
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if [ -f "$rootfs/etc/init/ssh.conf.disabled" ]; then
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mv "$rootfs/etc/init/ssh.conf.disabled" "$rootfs/etc/init/ssh.conf"
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fi
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rm -f "$rootfs/usr/sbin/policy-rc.d"
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fi
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# set initial timezone as on host
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if [ -f /etc/timezone ]; then
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cat /etc/timezone > "$rootfs/etc/timezone"
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rm -f "$rootfs/etc/localtime"
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chroot "$rootfs" dpkg-reconfigure -f noninteractive tzdata
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elif [ -f /etc/sysconfig/clock ]; then
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. /etc/sysconfig/clock
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echo "$ZONE" > "$rootfs/etc/timezone"
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rm -f "$rootfs/etc/localtime"
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chroot "$rootfs" dpkg-reconfigure -f noninteractive tzdata
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else
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echo "Timezone in container is not configured. Adjust it manually."
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fi
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if [ -n "$authkey" ]; then
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local ssh_dir_path="${rootfs}/root/.ssh"
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mkdir -p "$ssh_dir_path"
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cp "$authkey" "${ssh_dir_path}/authorized_keys"
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chmod 700 "$ssh_dir_path"
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echo "Inserted SSH public key from '$authkey' into /root/.ssh/authorized_keys"
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fi
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return 0
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}
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write_sourceslist()
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{
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local rootfs="$1"; shift
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local release="$1"; shift
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local arch="$1"; shift
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local prefix="deb"
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if [ -n "${arch}" ]; then
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prefix="deb [arch=${arch}]"
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fi
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if [ "$mainonly" = 1 ]; then
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non_main=''
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else
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non_main=' contrib non-free'
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fi
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cat >> "${rootfs}/etc/apt/sources.list" << EOF
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${prefix} $MIRROR ${release} main${non_main}
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EOF
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if [ "$release" != "unstable" -a "$release" != "ceres" ]; then
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cat >> "${rootfs}/etc/apt/sources.list" << EOF
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${prefix} $SECURITY_MIRROR ${release}-updates main${non_main}
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EOF
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fi
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}
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apt_update_packages(){
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local apt_update_args="update"
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local lpath="${rootfs}/var/lib/apt/lists/$(echo "$MIRROR" | sed 's#.*://##;s#/#_#g')_dists_${release}_Release"
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if [ -f "$lpath" ] && [ ! -z "$distro_suite" ]; then
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local lsuite=$(cat "$lpath" | grep 'Suite:')
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[ "${lsuite#Suite: }" != "$distro_suite" ] && apt_update_args="--allow-releaseinfo-change $apt_update_args"
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fi
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chroot "${rootfs}" apt-get $apt_update_args
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return $?
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}
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install_packages()
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{
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local rootfs="$1"; shift
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local packages="$*"
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if [ -n "${packages}" ] && apt_update_packages; then
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chroot "${rootfs}" apt-get install --force-yes -y --no-install-recommends ${packages}
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elif [ -n "${packages}" ]; then
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echo "Apt update failed, not downloading packages"
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fi
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}
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# Check if given path is in a btrfs partition
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is_btrfs()
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{
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[ -e "$1" -a "$(stat -f -c '%T' "$1")" = "btrfs" ]
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}
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# Check if given path is the root of a btrfs subvolume
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is_btrfs_subvolume()
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{
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[ -d "$1" -a "$(stat -f -c '%T' "$1")" = "btrfs" -a "$(stat -c '%i' "$1")" -eq 256 ]
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}
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try_mksubvolume()
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{
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path=$1
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[ -d "$path" ] && return 0
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mkdir -p "$(dirname "$path")"
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if which btrfs >/dev/null 2>&1 && is_btrfs "$(dirname "$path")"; then
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btrfs subvolume create "$path"
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else
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mkdir -p "$path"
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fi
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}
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try_rmsubvolume()
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{
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path=$1
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[ -d "$path" ] || return 0
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if which btrfs >/dev/null 2>&1 && is_btrfs_subvolume "$path"; then
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btrfs subvolume delete "$path"
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else
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rm -rf "$path"
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fi
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}
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cleanup()
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{
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try_rmsubvolume "$cache/partial-$release-$arch"
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try_rmsubvolume "$cache/rootfs-$release-$arch"
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}
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download_devuan()
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{
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packages=\
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init,\
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ifupdown,\
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locales,\
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ca-certificates,\
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dialog,\
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isc-dhcp-client,\
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netbase,\
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net-tools,\
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iproute2,\
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openssh-server,\
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apt-transport-https
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cache=$1
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arch=$2
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release=$3
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interpreter="$4"
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interpreter_path="$5"
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trap cleanup EXIT SIGHUP SIGINT SIGTERM
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# Create the cache
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mkdir -p "$cache"
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# If devuan-archive-keyring isn't installed, fetch GPG keys directly
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releasekeyring=/usr/share/keyrings/devuan-archive-keyring.gpg
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lreleasekeyring=/etc/apt/trusted.gpg.d/devuan-archive-keyring.gpg
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if [ -f "$releasekeyring" ]; then
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apt_gpg_opt="--keyring=${releasekeyring}"
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elif [ -f "$lreleasekeyring" ]; then
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apt_gpg_opt="--keyring=${lreleasekeyring}"
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elif [ "$DOWNLOAD_KEYRING" = 1 ]; then
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[ ! -d "/etc/apt/trusted.gpg.d" ] && lreleasekeyring="$cache/archive-key.gpg"
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if [[ "$(id -u)" == "0" ]]; then
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wget https://files.devuan.org/devuan-archive-keyring.gpg -O - --quiet \
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| gpg --import --no-default-keyring --keyring="${lreleasekeyring}"
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apt_gpg_opt="--keyring=${lreleasekeyring}"
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else
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echo "Must be root (sudo) to save $lreleasekeyring"
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fi
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fi
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if [ -z "$apt_gpg_opt" ]; then
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echo "WARNING: No GPG check"
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apt_gpg_opt='--no-check-gpg'
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fi
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# check the mini devuan was not already downloaded
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try_mksubvolume "$cache/partial-$release-$arch"
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if [ $? -ne 0 ]; then
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echo "Failed to create '$cache/partial-$release-$arch' directory"
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return 1
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fi
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# download a mini devuan into a cache
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echo "Downloading devuan minimal ..."
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if [ "$interpreter" = "" ] ; then
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debootstrap --verbose --variant=minbase --arch="$arch" \
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--include=$packages "${apt_gpg_opt}" \
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"$release" "$cache/partial-$release-$arch" "$MIRROR"
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if [ $? -ne 0 ]; then
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echo "Failed to download the rootfs, aborting."
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return 1
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fi
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else
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debootstrap --foreign --verbose --variant=minbase --arch="$arch" \
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--include=$packages "${apt_gpg_opt}" \
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"$release" "$cache/partial-$release-$arch" "$MIRROR"
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if [ $? -ne 0 ]; then
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echo "Failed to download the rootfs, aborting."
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return 1
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fi
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mkdir -p "$(dirname "$cache/partial-$release-$arch/$interpreter_path")"
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cp "$interpreter" "$cache/partial-$release-$arch/$interpreter_path"
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if [ $? -ne 0 ]; then
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echo "failed to copy $interpreter to $cache/partial-$release-$arch/$interpreter_path"
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return 1
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fi
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chroot "$cache/partial-$release-$arch" debootstrap/debootstrap --second-stage
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if [ $? -ne 0 ]; then
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echo "failed to update the rootfs, aborting"
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return 1
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fi
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fi
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mv "$1/partial-$release-$arch" "$1/rootfs-$release-$arch"
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echo "Download complete."
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trap EXIT
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trap SIGINT
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trap SIGTERM
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trap SIGHUP
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return 0
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}
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copy_devuan()
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{
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cache=$1
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arch=$2
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rootfs=$3
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release=$4
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# make a local copy of the minidevuan
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echo -n "Copying rootfs to $rootfs..."
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try_mksubvolume "$rootfs"
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if which btrfs >/dev/null 2>&1 && \
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is_btrfs_subvolume "$cache/rootfs-$release-$arch" && \
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is_btrfs_subvolume "$rootfs"; then
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realrootfs="$(dirname "$config")"/rootfs
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[ "$rootfs" = "$realrootfs" ] || umount "$rootfs" || return 1
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btrfs subvolume delete "$realrootfs" || return 1
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btrfs subvolume snapshot "$cache/rootfs-$release-$arch" "$realrootfs" || return 1
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[ "$rootfs" = "$realrootfs" ] || mount --bind "$realrootfs" "$rootfs" || return 1
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else
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rsync -SHaAX "$cache/rootfs-$release-$arch"/ $rootfs/ || return 1
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fi
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return 0
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}
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install_devuan()
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{
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rootfs=$1
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release=$2
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arch=$3
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cache="$4/devuan"
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interpreter="$5"
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interpreter_path="$6"
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flushcache=$7
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mkdir -p $LOCALSTATEDIR/lock/subsys/
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(
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flock -x 9
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if [ $? -ne 0 ]; then
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echo "Cache repository is busy."
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return 1
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fi
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if [ "$flushcache" -eq 1 ]; then
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echo "Flushing cache..."
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cleanup
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fi
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echo "Checking cache download in $cache/rootfs-$release-$arch ... "
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if [ ! -e "$cache/rootfs-$release-$arch" ]; then
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download_devuan "$cache" "$arch" "$release" "$interpreter" "$interpreter_path"
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if [ $? -ne 0 ]; then
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echo "Failed to download 'devuan base'"
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return 1
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fi
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fi
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copy_devuan "$cache" "$arch" "$rootfs" "$release"
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if [ $? -ne 0 ]; then
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echo "Failed to copy rootfs"
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return 1
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fi
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return 0
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) 9>$LOCALSTATEDIR/lock/subsys/lxc-devuan
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return $?
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}
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copy_configuration()
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{
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path=$1
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rootfs=$2
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hostname=$3
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arch=$4
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num_tty=$5
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# Generate the configuration file
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# if there is exactly one veth network entry, make sure it has an
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# associated hwaddr.
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nics=$(grep -ce '^lxc\.net\.0\.type[ \t]*=[ \t]*veth' "$path/config")
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if [ "$nics" -eq 1 ]; then
|
|
grep -q "^lxc.net.0.hwaddr" "$path/config" || sed -i -e "/^lxc\.net\.0\.type[ \t]*=[ \t]*veth/a lxc.net.0.hwaddr = 00:16:3e:$(openssl rand -hex 3| sed 's/\(..\)/\1:/g; s/.$//')" "$path/config"
|
|
fi
|
|
|
|
## Add all the includes
|
|
echo "" >> "$path/config"
|
|
echo "# Common configuration" >> "$path/config"
|
|
if [ -e "${LXC_TEMPLATE_CONFIG}/devuan.common.conf" ]; then
|
|
echo "lxc.include = ${LXC_TEMPLATE_CONFIG}/devuan.common.conf" >> "$path/config"
|
|
fi
|
|
if [ -e "${LXC_TEMPLATE_CONFIG}/devuan.${release}.conf" ]; then
|
|
echo "lxc.include = ${LXC_TEMPLATE_CONFIG}/devuan.${release}.conf" >> "$path/config"
|
|
fi
|
|
|
|
## Add the container-specific config
|
|
echo "" >> "$path/config"
|
|
echo "# Container specific configuration" >> "$path/config"
|
|
grep -q "^lxc.rootfs.path" "$path/config" 2> /dev/null || echo "lxc.rootfs.path = $rootfs" >> "$path/config"
|
|
|
|
cat <<EOF >> $path/config
|
|
lxc.tty.max = $num_tty
|
|
lxc.uts.name = $hostname
|
|
lxc.arch = $arch
|
|
lxc.pty.max = 1024
|
|
EOF
|
|
|
|
if [ $? -ne 0 ]; then
|
|
echo "Failed to add configuration"
|
|
return 1
|
|
fi
|
|
|
|
return 0
|
|
}
|
|
|
|
post_process()
|
|
{
|
|
local rootfs="$1"; shift
|
|
local release="$1"; shift
|
|
local arch="$1"; shift
|
|
local hostarch="$1"; shift
|
|
local interpreter="$1"; shift
|
|
local packages="$*"
|
|
|
|
# Disable service startup
|
|
cat > "${rootfs}/usr/sbin/policy-rc.d" << EOF
|
|
#!/bin/sh
|
|
exit 101
|
|
EOF
|
|
chmod +x "${rootfs}/usr/sbin/policy-rc.d"
|
|
|
|
# If the container isn't running a native architecture, setup multiarch
|
|
if [ "$interpreter" = "" -a "${arch}" != "${hostarch}" ]; then
|
|
# Test if dpkg supports multiarch
|
|
if ! chroot "$rootfs" dpkg --print-foreign-architectures 2>&1; then
|
|
chroot "$rootfs" dpkg --add-architecture "${hostarch}"
|
|
fi
|
|
fi
|
|
|
|
# Write a new sources.list containing both native and multiarch entries
|
|
> "${rootfs}/etc/apt/sources.list"
|
|
if [ "$interpreter" != "" -a "${arch}" = "${hostarch}" ]; then
|
|
write_sourceslist "${rootfs}" "${release}" "${arch}"
|
|
else
|
|
write_sourceslist "${rootfs}" "${release}"
|
|
fi
|
|
|
|
# Install Packages in container
|
|
if [ -n "${packages}" ]; then
|
|
local pack_list
|
|
pack_list="${packages//,/ }"
|
|
echo "Installing packages: ${pack_list}"
|
|
install_packages "${rootfs}" "${pack_list}"
|
|
fi
|
|
|
|
# Re-enable service startup
|
|
rm "${rootfs}/usr/sbin/policy-rc.d"
|
|
|
|
# Fix by Greg Olsen, avoid warning 'stdin not a tty' in some cases
|
|
if [[ -f "${rootfs}/root/.profile" ]]; then
|
|
sed -i -e 's/^mesg n/test -t 0 \&\& mesg n/g' ${rootfs}/root/.profile
|
|
fi
|
|
|
|
# end
|
|
}
|
|
|
|
clean()
|
|
{
|
|
cache=${LXC_CACHE_PATH:-"$LOCALSTATEDIR/cache/lxc/devuan"}
|
|
|
|
if [ ! -e "$cache" ]; then
|
|
exit 0
|
|
fi
|
|
|
|
# lock, so we won't purge while someone is creating a repository
|
|
(
|
|
flock -x 9
|
|
if [ $? != 0 ]; then
|
|
echo "Cache repository is busy."
|
|
exit 1
|
|
fi
|
|
|
|
echo -n "Purging the download cache..."
|
|
rm --preserve-root --one-file-system -rf "$cache" && echo "Done." || exit 1
|
|
exit 0
|
|
|
|
) 9>$LOCALSTATEDIR/lock/subsys/lxc-devuan
|
|
}
|
|
|
|
usage()
|
|
{
|
|
cat <<EOF
|
|
Template specific options can be passed to lxc-create after a '--' like this:
|
|
|
|
lxc-create --name=NAME [-lxc-create-options] -- [-template-options]
|
|
|
|
Usage: $1 -h|--help -p|--path=<path> [-c|--clean] [-a|--arch=<arch>] [-r|--release=<release>]
|
|
[--mirror=<mirror>] [--security-mirror=<security mirror>]
|
|
[--package=<package_name1,package_name2,...>]
|
|
[-I|--interpreter-path=<interpreter path>]
|
|
[-F | --flush-cache] [-S|--auth-key=<keyfile>]
|
|
|
|
Options :
|
|
|
|
-h, --help print this help text
|
|
-p, --path=PATH directory where config and rootfs of this VM will be kept
|
|
-S, --auth-key=KEYFILE SSH public key to inject into the container as the root user.
|
|
-a, --arch=ARCH The container architecture. Can be one of: i686, x86_64,
|
|
amd64, armhf, armel, powerpc. Defaults to host arch.
|
|
-r, --release=RELEASE Devuan release. Can be one of: ascii, beowulf, chimaera, ceres.
|
|
Defaults to current stable.
|
|
--mirror=MIRROR Devuan mirror to use during installation. Overrides the MIRROR
|
|
environment variable (see below).
|
|
--security-mirror=SECURITY_MIRROR
|
|
Devuan mirror to use for security updates. Overrides the
|
|
SECURITY_MIRROR environment variable (see below).
|
|
--packages=PACKAGE_NAME1,PACKAGE_NAME2,...
|
|
List of additional packages to install. Comma separated, without space.
|
|
-c, --clean only clean up the cache and terminate
|
|
--enable-non-free include also Devuan's contrib and non-free repositories.
|
|
-I|--interpreter-path=INTERPRETER-PATH
|
|
Path of the binfmt interpreter to copy to the rootfs
|
|
-F | --flush-cache Flush the devuan release cache
|
|
|
|
Environment variables:
|
|
|
|
MIRROR The Devuan package mirror to use. See also the --mirror switch above.
|
|
Defaults to '$MIRROR'
|
|
SECURITY_MIRROR The Devuan package security mirror to use. See also the --security-mirror switch above.
|
|
Defaults to '$SECURITY_MIRROR'
|
|
DOWNLOAD_KEYRING Sets whether to download keyring when missing or ignore keyring checks
|
|
Defaults to 1
|
|
|
|
EOF
|
|
return 0
|
|
}
|
|
|
|
options=$(getopt -o hp:n:a:r:cI:FS: -l arch:,auth-key:,clean,help,enable-non-free,mirror:,name:,packages:,path:,release:,rootfs:,security-mirror:,interpreter-path:,flush-cache -- "$@")
|
|
if [ $? -ne 0 ]; then
|
|
usage "$(basename "$0")"
|
|
exit 1
|
|
fi
|
|
eval set -- "$options"
|
|
|
|
littleendian=$(lscpu | grep '^Byte Order' | grep -q Little && echo yes)
|
|
|
|
arch=$(uname -m)
|
|
if [ "$arch" = "i686" ]; then
|
|
arch="i386"
|
|
elif [ "$arch" = "x86_64" ]; then
|
|
arch="amd64"
|
|
elif [ "$arch" = "armv7l" ]; then
|
|
arch="armhf"
|
|
elif [ "$arch" = "aarch64" ]; then
|
|
arch="arm64"
|
|
elif [ "$arch" = "ppc" ]; then
|
|
arch="powerpc"
|
|
elif [ "$arch" = "ppc64le" ]; then
|
|
arch="ppc64el"
|
|
elif [ "$arch" = "mips" -a "$littleendian" = "yes" ]; then
|
|
arch="mipsel"
|
|
elif [ "$arch" = "mips64" -a "$littleendian" = "yes" ]; then
|
|
arch="mips64el"
|
|
fi
|
|
hostarch=$arch
|
|
mainonly=1
|
|
flushcache=0
|
|
|
|
while true
|
|
do
|
|
case "$1" in
|
|
-h|--help) usage "$0" && exit 1;;
|
|
--) shift 1; break ;;
|
|
|
|
-a|--arch) arch=$2; shift 2;;
|
|
-S|--auth-key) authkey=$2; shift 2;;
|
|
-I|--interpreter-path)
|
|
interpreter="$2"; shift 2;;
|
|
-c|--clean) clean=1; shift 1;;
|
|
--enable-non-free) mainonly=0; shift 1;;
|
|
--mirror) MIRROR=$2; shift 2;;
|
|
-n|--name) name=$2; shift 2;;
|
|
--packages) packages=$2; shift 2;;
|
|
-p|--path) path=$2; shift 2;;
|
|
-r|--release) release=$2; shift 2;;
|
|
--rootfs) rootfs=$2; shift 2;;
|
|
--security-mirror) SECURITY_MIRROR=$2; shift 2;;
|
|
-F|--flush-cache) flushcache=1; shift 1;;
|
|
*) break ;;
|
|
esac
|
|
done
|
|
|
|
if [ ! -z "$clean" -a -z "$path" ]; then
|
|
clean || exit 1
|
|
exit 0
|
|
fi
|
|
|
|
if [ "$arch" = "i686" ]; then
|
|
arch=i386
|
|
fi
|
|
|
|
if [ "$arch" = "x86_64" ]; then
|
|
arch=amd64
|
|
fi
|
|
|
|
if [ "$interpreter" = "" ] ; then
|
|
if [ $hostarch = "i386" -a $arch = "amd64" ]; then
|
|
echo "can't create $arch container on $hostarch"
|
|
exit 1
|
|
fi
|
|
|
|
if [ $hostarch = "armhf" -o $hostarch = "armel" ] && \
|
|
[ $arch != "armhf" -a $arch != "armel" ]; then
|
|
echo "can't create $arch container on $hostarch"
|
|
exit 1
|
|
fi
|
|
|
|
if [ $hostarch = "powerpc" -a $arch != "powerpc" ]; then
|
|
echo "can't create $arch container on $hostarch"
|
|
exit 1
|
|
fi
|
|
|
|
if [ $hostarch = "mips" -a $arch != "mips" ] || \
|
|
[ $hostarch = "mipsel" -a $arch != "mipsel" ] || \
|
|
[ $hostarch = "mips64" -a $arch != "mips" -a $arch != "mips64" ] || \
|
|
[ $hostarch = "mips64el" -a $arch != "mipsel" -a $arch != "mips64el" ]; then
|
|
echo "can't create $arch container on $hostarch"
|
|
exit 1
|
|
fi
|
|
else
|
|
if ! file -b "${interpreter}" |grep -q "statically linked" ; then
|
|
echo "'${interpreter}' must be statically linked" 1>&2
|
|
exit 1
|
|
fi
|
|
interpreter_path=$(find_interpreter "$interpreter")
|
|
if [ $? -ne 0 ] ; then
|
|
echo "no binfmt interpreter using $(basename "$interpreter")" 1>&2
|
|
exit 1
|
|
fi
|
|
fi
|
|
|
|
type debootstrap
|
|
if [ $? -ne 0 ]; then
|
|
echo "'debootstrap' command is missing"
|
|
exit 1
|
|
fi
|
|
|
|
if [ -z "$path" ]; then
|
|
echo "'path' parameter is required"
|
|
exit 1
|
|
fi
|
|
|
|
if [ "$(id -u)" != "0" ]; then
|
|
echo "This script should be run as 'root'"
|
|
exit 1
|
|
fi
|
|
|
|
if [ -n "$authkey" ]; then
|
|
if [ ! -f "$authkey" ]; then
|
|
echo "SSH keyfile '$authkey' not found"
|
|
exit 1
|
|
fi
|
|
# This is mostly to prevent accidental uage of the private key instead
|
|
# of the public key.
|
|
if [ "${authkey: -4}" != ".pub" ]; then
|
|
echo "SSH keyfile '$authkey' does not end with '.pub'"
|
|
exit 1
|
|
fi
|
|
fi
|
|
|
|
release=${release:-stable}
|
|
permanent_releases=('stable' 'testing' 'sid' 'unstable')
|
|
if [[ ! "${permanent_releases[*]}" =~ (^|[^[:alpha:]])$release([^[:alpha:]]|$) ]]; then
|
|
if ! release_info "${MIRROR}"; then
|
|
echo "Invalid release ${release} (not found in mirror)"
|
|
exit 1
|
|
fi
|
|
else
|
|
release_info "${MIRROR}"
|
|
fi
|
|
|
|
# detect rootfs
|
|
config="$path/config"
|
|
if [ -z "$rootfs" ]; then
|
|
if grep -q '^lxc.rootfs.path' "$config" 2> /dev/null ; then
|
|
rootfs=$(awk -F= '/^lxc.rootfs.path[ \t]+=/{ print $2 }' "$config")
|
|
else
|
|
rootfs=$path/rootfs
|
|
fi
|
|
fi
|
|
|
|
# determine the number of ttys - default is 4
|
|
if grep -q '^lxc.tty.max' "$config" 2> /dev/null ; then
|
|
num_tty=$(awk -F= '/^lxc.tty.max[ \t]+=/{ print $2 }' "$config")
|
|
else
|
|
num_tty=4
|
|
fi
|
|
|
|
install_devuan "$rootfs" "$release" "$arch" "$LXC_CACHE_PATH" "$interpreter" "$interpreter_path" "$flushcache"
|
|
if [ $? -ne 0 ]; then
|
|
echo "failed to install devuan"
|
|
exit 1
|
|
fi
|
|
|
|
configure_devuan "$rootfs" "$name" $num_tty
|
|
if [ $? -ne 0 ]; then
|
|
echo "failed to configure devuan for a container"
|
|
exit 1
|
|
fi
|
|
|
|
copy_configuration "$path" "$rootfs" "$name" $arch $num_tty
|
|
if [ $? -ne 0 ]; then
|
|
echo "failed write configuration file"
|
|
exit 1
|
|
fi
|
|
|
|
post_process "${rootfs}" "${release}" ${arch} ${hostarch} "${interpreter}" "${packages}"
|
|
|
|
if [ ! -z "$clean" ]; then
|
|
clean || exit 1
|
|
exit 0
|
|
fi
|