---
templates/lxc-archlinux.in | 359 +++++++++++----------------------------------
1 file changed, 84 insertions(+), 275 deletions(-)
diff --git a/templates/lxc-archlinux.in b/templates/lxc-archlinux.in
index cf274d4..53e8e22 100644
--- a/templates/lxc-archlinux.in
+++ b/templates/lxc-archlinux.in
@@ -25,19 +25,19 @@
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
# defaults
-arch=$(arch)
-cache=@LOCALSTATEDIR@/lxc/arch/${arch}
+arch=$(uname -m)
lxc_network_type="veth"
lxc_network_link="br0"
-default_path=@LXCPATH@
-default_rc_locale="en-US.UTF-8"
-default_rc_timezone="UTC"
-host_mirror="http://mirrors.kernel.org/archlinux/\$repo/os/$arch";
+default_path="@LXCPATH@"
+default_locale="en-US.UTF-8"
+default_timezone="UTC"
+#host_mirror="http://mirrors.kernel.org/archlinux/\$repo/os/$arch";
# sort of minimal package set
base_packages=(
+ "systemd"
+ "systemd-sysvcompat"
"filesystem"
- "initscripts"
"coreutils"
"module-init-tools"
"procps"
@@ -63,21 +63,6 @@ base_packages=(
)
declare -a additional_packages
-[ -f /etc/arch-release ] && is_arch=true
-
-# find and extract parameter value from given config file
-# ${1} - file to read parameter from
-# ${2} - parameter name
-# ${result} - result value on success
-function read_parameter_value {
- [ -f ${1} ] && [ "${2}" ] || return 1
- local pattern="^[[:space:]]*${2}[[:space:]]*=[[:space:]]*"
- local str=$(grep "${pattern}" "${1}")
- local str=${str/#$(grep -o "${pattern}" "${1}")/}
- result=${str//\"/}
- return 0
-}
-
# split comma-separated string into an array
# ${1} - string to split
# ${2} - separator (default is ",")
@@ -90,299 +75,122 @@ function split_string {
return 0
}
+[ -f /etc/arch-release ] && is_arch=true
+
# Arch-specific preconfiguration for container
function configure_arch {
# read locale and timezone defaults from system rc.conf if running on Arch
if [ "${is_arch}" ]; then
- read_parameter_value "/etc/rc.conf" "LOCALE"
- rc_locale=${result:-${default_rc_locale}}
- read_parameter_value "/etc/rc.conf" "TIMEZONE"
- rc_timezone=${result:-${default_rc_timezone}}
+ cp -p /etc/vconsole.conf /etc/locale.conf /etc/locale.gen
"${rootfs_path}/etc/"
else
- rc_locale=${default_rc_locale}
- rc_timezone=${default_rc_timezone}
- fi
-
- echo "Setting up rc.conf"
- cat > "${rootfs_path}/etc/rc.conf" << EOF
-# /etc/rc.conf - Main Configuration for Arch Linux
-LOCALE="${rc_locale}"
-DAEMON_LOCALE="no"
-HARDWARECLOCK="local"
-TIMEZONE="${rc_timezone}"
-KEYMAP=us
-CONSOLEFONT=
-CONSOLEMAP=
-USECOLOR="yes"
-MODULES=()
-HOSTNAME="${name}"
-interface=eth0
-address=
-netmask=
-broadcast=
-gateway=
-DAEMONS=(syslog-ng crond network)
+ echo "LANG=${default_lang}" > "${rootfs_path}/etc/locale.conf"
+ echo "KEYMAP=us" > "${rootfs_path}/etc/vconsole.conf"
+ cat > "${rootfs_path}/etc/adjtime" << EOF
+0.0 0.0 0.0
+0
+LOCAL
EOF
-
- if [ -e "${rootfs_path}/etc/locale.gen" ]; then
- sed -i 's@^#\(en_US\.UTF-8\)@\1@' "${rootfs_path}/etc/locale.gen"
- if [ ! "${rc_locale}" = "en_US.UTF-8" ]; then
- echo "${rc_locale} ${rc_locale##*.}" >>
"${rootfs_path}/etc/locale.gen"
+ if [ -e "${rootfs_path}/etc/locale.gen" ]; then
+ sed -i 's@^#\(en_US\.UTF-8\)@\1@' "${rootfs_path}/etc/locale.gen"
+ if [ ! "${default_locale}" = "en_US.UTF-8" ]; then
+ echo "${default_locale} ${default_locale##*.}" >>
"${rootfs_path}/etc/locale.gen"
+ fi
fi
- chroot "${rootfs_path}" locale-gen
fi
- cp "${rootfs_path}/usr/share/zoneinfo/${rc_timezone}" \
- "${rootfs_path}/etc/localtime"
-
- echo "Setting up rc.sysinit"
- cat > "${rootfs_path}/etc/rc.sysinit.lxc" << EOF
-#!/bin/bash
-. /etc/rc.conf
-. /etc/rc.d/functions
-
-echo "starting Arch Linux"
-rm -f \$(find /var/run -name '*pid')
-rm -f /run/daemons/*
-rm -f /var/lock/subsys/*
-rm -f /etc/mtab
-touch /etc/mtab
-run_hook sysinit_end
-EOF
-
- echo "Setting up rc.shutdown"
- cat > "${rootfs_path}/etc/rc.shutdown.lxc" << EOF
-#!/bin/bash
-. /etc/rc.conf
-. /etc/rc.d/functions
-stty onlcr
-run_hook shutdown_start
-[[ -x /etc/rc.local.shutdown ]] && /etc/rc.local.shutdown
-stop_all_daemons
-run_hook shutdown_prekillall
-kill_all
-run_hook shutdown_postkillall
-[[ \${TIMEZONE} ]] && cp --remove-destination
"/usr/share/zoneinfo/\${TIMEZONE}" /etc/localtime
-halt -w
-umount -a -r -t nodevtmpfs,notmpfs,nosysfs,noproc,nodevpts -O no_netdev
-run_hook shutdown_postumount
-run_hook shutdown_poweroff
-if [[ \${RUNLEVEL} = 0 ]]; then
- poweroff -d -f -i
-else
- reboot -d -f -i
-fi
-# vim: set ts=2 sw=2 noet:
-EOF
- chmod 755 "${rootfs_path}/etc/rc.shutdown.lxc"
"${rootfs_path}/etc/rc.sysinit.lxc"
-
- echo "Setting up inittab"
- cat > "${rootfs_path}/etc/inittab" << EOF
-id:3:initdefault:
-rc::sysinit:/etc/rc.sysinit.lxc
-rs:S1:wait:/etc/rc.single
-rm:2345:wait:/etc/rc.multi
-rh:06:wait:/etc/rc.shutdown.lxc
-su:S:wait:/sbin/sulogin -p
-c1:2345:respawn:/sbin/agetty -8 38400 tty1 linux
-EOF
-
- echo "Setting up hosts"
+ echo "${name}" > "${rootfs_path}/etc/hostname"
cat > "${rootfs_path}/etc/hosts" << EOF
127.0.0.1 localhost.localdomain localhost ${name}
::1 localhost.localdomain localhost
EOF
-
- echo "Setting up nameserver"
grep nameserver /etc/resolv.conf > "${rootfs_path}/etc/resolv.conf"
- echo "Setting up device nodes"
- mkdir -m 755 "${rootfs_path}/dev/pts"
- mkdir -m 1777 "${rootfs_path}/dev/shm"
- mknod -m 666 "${rootfs_path}/dev/null" c 1 3
- mknod -m 666 "${rootfs_path}/dev/full" c 1 7
- mknod -m 666 "${rootfs_path}/dev/random" c 1 8
- mknod -m 666 "${rootfs_path}/dev/urandom" c 1 9
- mknod -m 666 "${rootfs_path}/dev/tty0" c 4 0
- mknod -m 666 "${rootfs_path}/dev/tty1" c 4 1
- mknod -m 666 "${rootfs_path}/dev/tty2" c 4 2
- mknod -m 666 "${rootfs_path}/dev/tty3" c 4 3
- mknod -m 666 "${rootfs_path}/dev/tty4" c 4 4
- mknod -m 600 "${rootfs_path}/dev/initctl" p
- mknod -m 666 "${rootfs_path}/dev/tty" c 5 0
- mknod -m 666 "${rootfs_path}/dev/console" c 5 1
- mknod -m 666 "${rootfs_path}/dev/ptmx" c 5 2
-
+ arch-chroot "${rootfs_path}" /bin/bash -s << EOF
+mkdir /run/lock
+locale-gen
+ln -s /usr/share/zoneinfo/${default_timezone} /etc/localtime
+# disable services unavailable for container
+ln -s /dev/null /etc/systemd/system/systemd-udevd.service
+ln -s /dev/null /etc/systemd/system/systemd-udevd-control.socket
+ln -s /dev/null /etc/systemd/system/systemd-udevd-kernel.socket
+ln -s /dev/null /etc/systemd/system/proc-sys-fs-binfmt_misc.automount
+ln -s /lib/systemd/system/multi-user.target /etc/systemd/system/default.target
+sed -i 's/After=dev-%i.device/After=/' "/lib/systemd/system/getty@.service"
+EOF
return 0
}
# write container configuration files
function copy_configuration {
mkdir -p "${config_path}"
- grep -q "^lxc.rootfs" "${config_path}/config" 2>/dev/null || echo
"lxc.rootfs=${rootfs_path}" >> "${config_path}/config"
cat > "${config_path}/config" << EOF
-lxc.utsname = ${name}
-lxc.tty = 4
-lxc.pts = 1024
-lxc.mount = ${config_path}/fstab
-
-# When using LXC with apparmor, uncomment the next line to run unconfined:
-#lxc.aa_profile = unconfined
-
+lxc.utsname=${name}
+lxc.autodev=1
+lxc.tty=1
+lxc.pts=1024
+lxc.rootfs=${rootfs_path}
+lxc.mount=${config_path}/fstab
+lxc.cap.drop = sys_module mac_admin mac_override
#networking
-lxc.network.type = ${lxc_network_type}
-lxc.network.flags = up
-lxc.network.link = ${lxc_network_link}
-lxc.network.name = eth0
-lxc.network.mtu = 1500
+lxc.network.type=${lxc_network_type}
+lxc.network.link=${lxc_network_link}
+lxc.network.flags=up
+lxc.network.name=eth0
+lxc.network.mtu=1500
#cgroups
lxc.cgroup.devices.deny = a
-# /dev/null and zero
+lxc.cgroup.devices.allow = c *:* m
+lxc.cgroup.devices.allow = b *:* m
lxc.cgroup.devices.allow = c 1:3 rwm
lxc.cgroup.devices.allow = c 1:5 rwm
-# consoles
-lxc.cgroup.devices.allow = c 5:1 rwm
-lxc.cgroup.devices.allow = c 5:0 rwm
-lxc.cgroup.devices.allow = c 4:0 rwm
-lxc.cgroup.devices.allow = c 4:1 rwm
-# /dev/{,u}random
-lxc.cgroup.devices.allow = c 1:9 rwm
+lxc.cgroup.devices.allow = c 1:7 rwm
lxc.cgroup.devices.allow = c 1:8 rwm
-# /dev/pts
-lxc.cgroup.devices.allow = c 136:* rwm
+lxc.cgroup.devices.allow = c 1:9 rwm
+lxc.cgroup.devices.allow = c 1:9 rwm
+lxc.cgroup.devices.allow = c 4:1 rwm
+lxc.cgroup.devices.allow = c 5:0 rwm
+lxc.cgroup.devices.allow = c 5:1 rwm
lxc.cgroup.devices.allow = c 5:2 rwm
-# rtc
-lxc.cgroup.devices.allow = c 254:0 rwm
+lxc.cgroup.devices.allow = c 136:* rwm
EOF
cat > "${config_path}/fstab" << EOF
-none ${rootfs_path}/dev/pts devpts defaults 0 0
-none ${rootfs_path}/proc proc nodev,noexec,nosuid 0 0
-none ${rootfs_path}/sys sysfs defaults 0 0
-none ${rootfs_path}/dev/shm tmpfs defaults 0 0
+sysfs sys sysfs ro,defaults 0 0
+proc proc proc nodev,noexec,nosuid 0 0
+/proc/sys ${rootfs_path}/proc/sys none ro,bind 0 0
+#/var/log/journal ${rootfs_path}/var/log/journal none bind 0 0
EOF
- if [ ${?} -ne 0 ]; then
- echo "Failed to configure container"
- return 1
- fi
-
return 0
}
-# lock chroot and mount subdirectories before installing container
-function mount_chroot {
- echo "mounting chroot"
- umask 0022
- [ -e "${rootfs_path}/sys" ] || mkdir "${rootfs_path}/sys"
- mount -t sysfs sysfs "${rootfs_path}/sys"
- [ -e "${rootfs_path}/proc" ] || mkdir "${rootfs_path}/proc"
- mount -t proc proc "${rootfs_path}/proc"
- [ -e "${rootfs_path}/dev" ] || mkdir "${rootfs_path}/dev"
- mount -t tmpfs dev "${rootfs_path}/dev" -o mode=0755,size=10M,nosuid
- mknod -m 666 "${rootfs_path}/dev/null" c 1 3
- mknod -m 666 "${rootfs_path}/dev/zero" c 1 5
- mknod -m 600 "${rootfs_path}/dev/console" c 5 1
- mknod -m 644 "${rootfs_path}/dev/random" c 1 8
- mknod -m 644 "${rootfs_path}/dev/urandom" c 1 9
- mknod -m 666 "${rootfs_path}/dev/tty" c 5 0
- mknod -m 666 "${rootfs_path}/dev/tty0" c 4 0
- mknod -m 666 "${rootfs_path}/dev/full" c 1 7
- ln -s /proc/kcore "${rootfs_path}/dev/core"
- ln -s /proc/self/fd "${rootfs_path}/dev/fd"
- ln -s /proc/self/fd/0 "${rootfs_path}/dev/stdin"
- ln -s /proc/self/fd/1 "${rootfs_path}/dev/stdout"
- ln -s /proc/self/fd/2 "${rootfs_path}/dev/stderr"
- [ -e "${rootfs_path}/dev/shm" ] || mkdir "${rootfs_path}/dev/shm"
- mount -t tmpfs shm "${rootfs_path}/dev/shm" -o nodev,nosuid,size=128M
- [ -e "${rootfs_path}/dev/pts" ] || mkdir "${rootfs_path}/dev/pts"
- mount -t devpts devpts "${rootfs_path}/dev/pts" -o newinstance,ptmxmode=666
- ln -s pts/ptmx "${rootfs_path}/dev/ptmx"
- [ -e "${cache_dir}" ] || mkdir -p "${cache_dir}"
- [ -e "${rootfs_path}/${cache_dir}" ] || mkdir -p
"${rootfs_path}/${cache_dir}"
- mount -o bind "${cache_dir}" "${rootfs_path}/${cache_dir}"
- if [ -n "${host_mirror_path}" ]; then
- [ -e "${rootfs_path}/${host_mirror_path}" ] || mkdir -p
"${rootfs_path}/${host_mirror_path}"
- mount -o bind "${host_mirror_path}"
"${rootfs_path}/${host_mirror_path}"
- mount -o remount,ro,bind "${host_mirror_path}"
"${rootfs_path}/${host_mirror_path}"
- fi
- trap 'umount_chroot' EXIT INT QUIT TERM HUP
-}
-
-function umount_chroot {
- if [ -z "${umount_done}" ]; then
- echo "unmounting chroot"
- umount "${rootfs_path}/proc"
- umount "${rootfs_path}/sys"
- umount "${rootfs_path}/dev/pts"
- umount "${rootfs_path}/dev/shm"
- umount "${rootfs_path}/dev"
- umount "${rootfs_path}/${cache_dir}"
- [ -n "${host_mirror_path}" ] && umount
"${rootfs_path}/${host_mirror_path}"
- umount_done=1
- fi
-}
-
# install packages within container chroot
function install_arch {
- pacman_config=$(mktemp)
-
- cat <<EOF > "${pacman_config}"
-[options]
-HoldPkg = pacman glibc
-SyncFirst = pacman
-Architecture = auto
-#IgnorePkg = udev
-[core]
-Include = /etc/pacman.d/mirrorlist
-Server = ${host_mirror}
-[extra]
-Include = /etc/pacman.d/mirrorlist
-Server = ${host_mirror}
-[community]
-Include = /etc/pacman.d/mirrorlist
-Server = ${host_mirror}
-EOF
-
- mkdir -p "${rootfs_path}/var/lib/pacman/sync"
- mkdir -p "${rootfs_path}/etc"
-
- if echo "${host_mirror}" | grep -q 'file://'; then
- host_mirror_path=$(echo "${host_mirror}" | sed -E
's#file://(/.*)/\$repo/os/\$arch#\1#g')
- fi
- cache_dir=$( (grep -m 1 '^CacheDir' "${pacman_config}" || echo 'CacheDir =
/var/cache/pacman/pkg') | sed 's/CacheDir\s*=\s*//')
- mount_chroot
- params="--root ${rootfs_path} --config=${pacman_config} --noconfirm"
- if ! pacman -Sydd ${params} --dbonly udev; then
- echo "Failed to preinstall udev package record"
- return 1
- fi
- if ! pacman -S ${params} ${base_packages[@]}; then
+ if ! pacstrap -cd "${rootfs_path}" ${base_packages[@]}; then
echo "Failed to install container packages"
return 1
fi
[ -d "${rootfs_path}/lib/modules" ] && ldconfig -r "${rootfs_path}"
- mv "${pacman_config}" "${rootfs_path}/etc/pacman.conf"
- umount_chroot
return 0
}
-usage()
-{
+usage() {
cat <<EOF
usage:
${1} -n|--name=<container_name>
- [-P|--packages=<pkg1,pkg2,...>] [-p|--path=<path>] [-h|--help]
+ [-P|--packages=<pkg1,pkg2,...>] [-p|--path=<path>]
[-t|--network_type=<type>] [-l|--network_link=<link>] [-h|--help]
Mandatory args:
-n,--name container name, used to as an identifier for that
container from now on
Optional args:
- -p,--path path to where the container rootfs will be created,
defaults to $default_path. The container config will go under $default_path in
that case
+ -p,--path path to where the container rootfs will be created,
defaults to ${default_path}/rootfs. The container config will go under
${default_path} in that case
-P,--packages preinstall additional packages, comma-separated list
+ -t,--network_type set container network interface type (${lxc_network_type})
+ -l,--network_link set network link device (${lxc_network_link})
-h,--help print this help
EOF
return 0
}
-options=$(getopt -o hp:P:n:cm: -l help,path:,packages:,name:,clean,mirror: --
"${@}")
+options=$(getopt -o hp:P:n:cl:t: -l
help,path:,packages:,name:,clean,network_type:,network_link: -- "${@}")
if [ ${?} -ne 0 ]; then
usage $(basename ${0})
exit 1
@@ -392,11 +200,12 @@ eval set -- "${options}"
while true
do
case "${1}" in
- -h|--help) usage ${0} && exit 0;;
- -p|--path) path=${2}; shift 2;;
- -n|--name) name=${2}; shift 2;;
- -P|--packages) additional_packages=${2}; shift 2;;
- -m|--mirror) host_mirror=${2}; shift 2;;
+ -h|--help) usage ${0} && exit 0;;
+ -p|--path) path=${2}; shift 2;;
+ -n|--name) name=${2}; shift 2;;
+ -P|--packages) additional_packages=${2}; shift 2;;
+ -t|--network_type) lxc_network_type=${2}; shift 2;;
+ -l|--network_link) lxc_network_link=${2}; shift 2;;
--) shift 1; break ;;
*) break ;;
esac
@@ -407,6 +216,11 @@ if [ -z "${name}" ]; then
exit 1
fi
+if [ ! -e /sys/class/net/${lxc_network_link} ]; then
+ echo "network link interface does not exist"
+ exit 1
+fi
+
type pacman >/dev/null 2>&1
if [ ${?} -ne 0 ]; then
echo "'pacman' command is missing, refer to wiki.archlinux.org for
information about installing pacman"
@@ -423,17 +237,11 @@ if [ "${EUID}" != "0" ]; then
fi
rootfs_path="${path}/rootfs"
-# check for 'lxc.rootfs' passed in through default config by lxc-create
-if grep -q '^lxc.rootfs' $path/config 2>/dev/null ; then
- rootfs_path=`grep 'lxc.rootfs =' $path/config | awk -F= '{ print $2 }'`
-fi
config_path="${default_path}/${name}"
-revert()
-{
- echo "Interrupted, so cleaning up"
+revert() {
+ echo "Interrupted, cleaning up"
lxc-destroy -n "${name}"
- # maybe was interrupted before copy config
rm -rf "${path}/${name}"
rm -rf "${default_path}/${name}"
exit 1
@@ -443,7 +251,7 @@ trap revert SIGHUP SIGINT SIGTERM
copy_configuration
if [ ${?} -ne 0 ]; then
- echo "failed write configuration file"
+ echo "failed to write configuration file"
rm -rf "${config_path}"
exit 1
fi
@@ -453,18 +261,19 @@ if [ ${#additional_packages[@]} -gt 0 ]; then
base_packages+=(${result[@]})
fi
+mkdir -p "${rootfs_path}"
install_arch
if [ ${?} -ne 0 ]; then
- echo "failed to install Arch linux"
+ echo "failed to install Arch Linux"
rm -rf "${config_path}" "${path}"
exit 1
fi
configure_arch
if [ ${?} -ne 0 ]; then
- echo "failed to configure Arch linux for a container"
+ echo "failed to configure Arch Linux for a container"
rm -rf "${config_path}" "${path}"
exit 1
fi
-echo "container rootfs and config created"
+echo "container config is ${config_path}/config"
--
1.8.0.2
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