--- /dev/null
+#!/bin/sh
+
+#
+# template script for generating PLD Linux container for LXC
+#
+
+#
+# lxc: Linux Container library
+
+# Authors:
+# Elan Ruusamäe <glen@pld-linux.org>
+
+# This library is free software; you can redistribute it and/or
+# modify it under the terms of the GNU Lesser General Public
+# License as published by the Free Software Foundation; either
+# version 2.1 of the License, or (at your option) any later version.
+
+# This library 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
+# Lesser General Public License for more details.
+
+# You should have received a copy of the GNU Lesser General Public
+# License along with this library; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+
+# Detect use under userns (unsupported)
+for arg in "$@"; do
+ [ "$arg" = "--" ] && break
+ if [ "$arg" = "--mapped-uid" -o "$arg" = "--mapped-gid" ]; then
+ echo "This template can't be used for unprivileged containers." 1>&2
+ echo "You may want to try the \"download\" template instead." 1>&2
+ exit 1
+ fi
+done
+
+# Configuration
+arch=$(uname -m)
+cache_base=@LOCALSTATEDIR@/cache/lxc/pld/$arch
+default_path=@LXCPATH@
+root_password=root
+
+if [ -e /etc/os-release ]; then
+ # This is a shell friendly configuration file. We can just source it.
+ # What we're looking for in here is the ID, VERSION_ID and the CPE_NAME
+ . /etc/os-release
+ echo "Host CPE ID from /etc/os-release: ${CPE_NAME}"
+fi
+
+if [ "${CPE_NAME}" != "" -a "${ID}" = "pld" -a "${VERSION_ID}" != "" ]; then
+ pld_host_ver=${VERSION_ID}
+ is_pld=true
+elif [ -e /etc/pld-release ]; then
+ # Only if all other methods fail, try to parse the pld-release file.
+ pld_host_ver=$(sed -e '/PLD /!d' -e 's/^\([0-9.]*\)\sPLD.*/\1/' < /etc/pld-release)
+ if [ "$pld_host_ver" != "" ]; then
+ is_pld=true
+ fi
+fi
+
+# Map a few architectures to their generic PLD Linux repository archs.
+case "$pld_host_ver:$arch" in
+3.0:i586) arch=i486 ;;
+esac
+
+configure_pld()
+{
+
+ # disable selinux
+ mkdir -p $rootfs_path/selinux
+ echo 0 > $rootfs_path/selinux/enforce
+
+ # configure the network using the dhcp
+ sed -i -e "s/^HOSTNAME=.*/HOSTNAME=${utsname}/" ${rootfs_path}/etc/sysconfig/network
+
+ # set hostname on systemd
+ if [ $release = "3.0" ]; then
+ echo "${utsname}" > ${rootfs_path}/etc/hostname
+ fi
+
+ # set minimal hosts
+ test -e $rootfs_path/etc/hosts || \
+ cat <<EOF > $rootfs_path/etc/hosts
+127.0.0.1 localhost.localdomain localhost $utsname
+::1 localhost6.localdomain6 localhost6
+EOF
+
+ dev_path="${rootfs_path}/dev"
+ rm -rf $dev_path
+ mkdir -p $dev_path
+ mknod -m 666 ${dev_path}/null c 1 3
+ mknod -m 666 ${dev_path}/zero c 1 5
+ mknod -m 666 ${dev_path}/random c 1 8
+ mknod -m 666 ${dev_path}/urandom c 1 9
+ mkdir -m 755 ${dev_path}/pts
+ mkdir -m 1777 ${dev_path}/shm
+ mknod -m 666 ${dev_path}/tty c 5 0
+ mknod -m 666 ${dev_path}/tty0 c 4 0
+ mknod -m 666 ${dev_path}/tty1 c 4 1
+ mknod -m 666 ${dev_path}/tty2 c 4 2
+ mknod -m 666 ${dev_path}/tty3 c 4 3
+ mknod -m 666 ${dev_path}/tty4 c 4 4
+ mknod -m 600 ${dev_path}/console c 5 1
+ mknod -m 666 ${dev_path}/full c 1 7
+ mknod -m 600 ${dev_path}/initctl p
+ mknod -m 666 ${dev_path}/ptmx c 5 2
+
+ echo "setting root passwd to $root_password"
+ echo "root:$root_password" | chroot $rootfs_path chpasswd
+
+ return 0
+}
+
+configure_pld_init()
+{
+ # default powerfail action waits 2 minutes. for lxc we want it immediately
+ sed -i -e '/^pf::powerfail:/ s,/sbin/shutdown.*,/sbin/halt,' ${rootfs_path}/etc/inittab
+}
+
+configure_pld_systemd()
+{
+ unlink ${rootfs_path}/etc/systemd/system/default.target
+ chroot ${rootfs_path} ln -s /dev/null /etc/systemd/system/udev.service
+ chroot ${rootfs_path} ln -s /lib/systemd/system/multi-user.target /etc/systemd/system/default.target
+
+ # Actually, the After=dev-%i.device line does not appear in the
+ # Fedora 17 or Fedora 18 systemd getty@.service file. It may be left
+ # over from an earlier version and it's not doing any harm. We do need
+ # to disable the "ConditionalPathExists=/dev/tty0" line or no gettys are
+ # started on the ttys in the container. Lets do it in an override copy of
+ # the service so it can still pass rpm verifies and not be automatically
+ # updated by a new systemd version. -- mhw /\/\|=mhw=|\/\/
+
+ sed -e 's/^ConditionPathExists=/# ConditionPathExists=/' \
+ -e 's/After=dev-%i.device/After=/' \
+ < ${rootfs_path}/lib/systemd/system/getty@.service \
+ > ${rootfs_path}/etc/systemd/system/getty@.service
+
+ # Setup getty service on the 4 ttys we are going to allow in the
+ # default config. Number should match lxc.tty
+ for i in 1 2 3 4; do
+ ln -sf ../getty@.service ${rootfs_path}/etc/systemd/system/getty.target.wants/getty@tty${i}.service
+ done
+}
+
+download_pld()
+{
+
+ # check the mini pld was not already downloaded
+ INSTALL_ROOT=$cache/partial
+ mkdir -p $INSTALL_ROOT
+ if [ $? -ne 0 ]; then
+ echo "Failed to create '$INSTALL_ROOT' directory"
+ return 1
+ fi
+
+ # download a mini pld into a cache
+ echo "Downloading PLD Linux minimal ..."
+ POLDEK="poldek --root $INSTALL_ROOT --noask --nohold --noignore"
+ PKG_LIST="basesystem filesystem pld-release rpm poldek vserver-packages rc-scripts pwdutils mingetty"
+
+ mkdir -p $INSTALL_ROOT@LOCALSTATEDIR@/lib/rpm
+ rpm --root $INSTALL_ROOT --initdb
+ $POLDEK -u $PKG_LIST
+
+ if [ $? -ne 0 ]; then
+ echo "Failed to download the rootfs, aborting."
+ return 1
+ fi
+
+ mv "$INSTALL_ROOT" "$cache/rootfs"
+ echo "Download complete."
+
+ return 0
+}
+
+copy_pld()
+{
+
+ # make a local copy of the minipld
+ echo -n "Copying rootfs to $rootfs_path ..."
+ cp -a $cache/rootfs/* $rootfs_path || return 1
+ return 0
+}
+
+update_pld()
+{
+ POLDEK="poldek --root $cache/rootfs --noask"
+ $POLDEK --upgrade-dist
+}
+
+install_pld()
+{
+ mkdir -p @LOCALSTATEDIR@/lock/subsys/
+ (
+ flock -x 9
+ if [ $? -ne 0 ]; then
+ echo "Cache repository is busy."
+ return 1
+ fi
+
+ echo "Checking cache download in $cache/rootfs ... "
+ if [ ! -e "$cache/rootfs" ]; then
+ download_pld
+ if [ $? -ne 0 ]; then
+ echo "Failed to download 'pld base'"
+ return 1
+ fi
+ else
+ echo "Cache found. Updating..."
+ update_pld
+ if [ $? -ne 0 ]; then
+ echo "Failed to update 'pld base', continuing with last known good cache"
+ else
+ echo "Update finished"
+ fi
+ fi
+
+ echo "Copy $cache/rootfs to $rootfs_path ... "
+ copy_pld
+ if [ $? -ne 0 ]; then
+ echo "Failed to copy rootfs"
+ return 1
+ fi
+
+ return 0
+ ) 9>@LOCALSTATEDIR@/lock/subsys/lxc-pld
+
+ return $?
+}
+
+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 <<EOF >> $config_path/config
+# Most of below settings should be taken as defaults from
+# lxc.include = /usr/share/lxc/config/common.conf
+lxc.utsname = $utsname
+lxc.tty = 4
+lxc.pts = 1024
+# Consider if below line is right for systemd container
+lxc.mount = $config_path/fstab
+lxc.cap.drop = sys_module mac_admin mac_override sys_time
+
+lxc.autodev = $auto_dev
+
+# When using LXC with apparmor, uncomment the next line to run unconfined:
+#lxc.aa_profile = unconfined
+
+## Devices
+# Allow all devices
+#lxc.cgroup.devices.allow = a
+# Deny all devices
+lxc.cgroup.devices.deny = a
+# Allow to mknod all devices (but not using them)
+lxc.cgroup.devices.allow = c *:* m
+lxc.cgroup.devices.allow = b *:* m
+
+# /dev/null and zero
+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 1:8 rwm
+lxc.cgroup.devices.allow = c 136:* rwm
+lxc.cgroup.devices.allow = c 5:2 rwm
+# rtc
+lxc.cgroup.devices.allow = c 254:0 rm
+EOF
+
+ cat <<EOF > $config_path/fstab
+proc proc proc nodev,noexec,nosuid 0 0
+sysfs sys sysfs defaults 0 0
+EOF
+ if [ $? -ne 0 ]; then
+ echo "Failed to add configuration"
+ return 1
+ fi
+
+ return 0
+}
+
+clean()
+{
+
+ 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 for PLD Linux $release..."
+ rm --preserve-root --one-file-system -rf $cache && echo "Done." || exit 1
+ exit 0
+ ) 9>@LOCALSTATEDIR@/lock/subsys/lxc-pld
+}
+
+usage()
+{
+ cat <<EOF
+usage:
+ $1 -n|--name=<container_name>
+ [-p|--path=<path>] [-c|--clean] [-R|--release=<PLD Release>] [--fqdn=<network name of container>] [-A|--arch=<arch of the container>]
+ [-h|--help]
+Mandatory args:
+ -n,--name container name, used to as an identifier for that container from now on
+Optional args:
+ -p,--path path to where the container will be created, defaults to @LXCPATH@. The container config will go under @LXCPATH@ in that case
+ --rootfs path for actual rootfs.
+ -c,--clean clean the cache
+ -R,--release PLD Linux release for the new container. if the host is PLD Linux, then it will default to the host's release.
+ --fqdn fully qualified domain name (FQDN) for DNS and system naming
+ -A,--arch NOT USED YET. Define what arch the container will be [i686,x86_64]
+ -h,--help print this help
+EOF
+ return 0
+}
+
+options=$(getopt -o hp:n:cR: -l help,path:,rootfs:,name:,clean,release:,fqdn: -- "$@")
+if [ $? -ne 0 ]; then
+ usage $(basename $0)
+ exit 1
+fi
+eval set -- "$options"
+
+while :; do
+ case "$1" in
+ -h|--help) usage $0 && exit 0;;
+ -p|--path) path=$2; shift 2;;
+ --rootfs) rootfs=$2; shift 2;;
+ -n|--name) name=$2; shift 2;;
+ -c|--clean) clean=$2; shift 2;;
+ -R|--release) release=$2; shift 2;;
+ --fqdn) utsname=$2; shift 2;;
+ --) shift 1; break ;;
+ *) break ;;
+ esac
+done
+
+if [ ! -z "$clean" -a -z "$path" ]; then
+ clean || exit 1
+ exit 0
+fi
+
+if [ -z "${utsname}" ]; then
+ utsname=${name}
+fi
+
+# This follows a standard "resolver" convention that an FQDN must have
+# at least two dots or it is considered a local relative host name.
+# If it doesn't, append the dns domain name of the host system.
+#
+# This changes one significant behavior when running
+# "lxc_create -n Container_Name" without using the
+# --fqdn option.
+#
+# Old behavior:
+# utsname and hostname = Container_Name
+# New behavior:
+# utsname and hostname = Container_Name.Domain_Name
+
+if [ $(expr "$utsname" : '.*\..*\.') = 0 ]; then
+ if [ -n "$(dnsdomainname)" ]; then
+ utsname=${utsname}.$(dnsdomainname)
+ fi
+fi
+
+needed_pkgs=""
+type poldek >/dev/null 2>&1
+if [ $? -ne 0 ]; then
+ needed_pkgs="poldek $needed_pkgs"
+fi
+
+#type curl >/dev/null 2>&1
+#if [ $? -ne 0 ]; then
+# needed_pkgs="curl $needed_pkgs"
+#fi
+
+if [ -n "$needed_pkgs" ]; then
+ echo "Missing commands: $needed_pkgs"
+ echo "Please install these using \"sudo poldek -u $needed_pkgs\""
+ exit 1
+fi
+
+if [ -z "$path" ]; then
+ path=$default_path/$name
+fi
+
+if [ -z "$release" ]; then
+ if [ "$is_pld" -a "$pld_host_ver" ]; then
+ release=$pld_host_ver
+ else
+ echo "This is not a PLD Linux host and release missing, defaulting to 3.0. use -R|--release to specify release"
+ release=3.0
+ fi
+fi
+
+# pld th have systemd. We need autodev enabled to keep systemd from causing problems.
+if [ $release = 3.0 ]; then
+ auto_dev="0"
+else
+ auto_dev="0"
+fi
+
+if [ "$(id -u)" != "0" ]; then
+ echo "This script should be run as 'root'"
+ exit 1
+fi
+
+if [ -z "$rootfs" ]; then
+ rootfs_path=$path/rootfs
+ # check for 'lxc.rootfs' passed in through default config by lxc-create
+ # TODO: should be lxc.rootfs.mount used instead?
+ if grep -q '^lxc.rootfs' $path/config 2>/dev/null ; then
+ rootfs_path=$(awk -F= '/^lxc.rootfs =/{ print $2 }' $path/config)
+ fi
+else
+ rootfs_path=$rootfs
+fi
+config_path=$default_path/$name
+cache=$cache_base/$release
+
+revert()
+{
+ echo "Interrupted, so cleaning up"
+ lxc-destroy -n $name
+ # maybe was interrupted before copy config
+ rm -rf $path
+ rm -rf $default_path/$name
+ echo "exiting..."
+ exit 1
+}
+
+trap revert SIGHUP SIGINT SIGTERM
+
+copy_configuration
+if [ $? -ne 0 ]; then
+ echo "Failed write configuration file"
+ exit 1
+fi
+
+install_pld
+if [ $? -ne 0 ]; then
+ echo "Failed to install PLD Linux"
+ exit 1
+fi
+
+configure_pld
+if [ $? -ne 0 ]; then
+ echo "Failed to configure PLD Linux for a container"
+ exit 1
+fi
+
+# If the systemd configuration directory exists - set it up for what we need.
+if [ -d ${rootfs_path}/etc/systemd/system ]; then
+ configure_pld_systemd
+fi
+
+# This configuration (rc.sysinit) is not inconsistent with the systemd stuff
+# above and may actually coexist on some upgraded systems. Let's just make
+# sure that, if it exists, we update this file, even if it's not used...
+if [ -f ${rootfs_path}/etc/rc.sysinit ]; then
+ configure_pld_init
+fi
+
+if [ ! -z $clean ]; then
+ clean || exit 1
+ exit 0
+fi
+echo "container rootfs and config created"
projects / mirror_lxc.git / commitdiff