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create sles lxc container within mounted img from vmdk img.
#!/usr/bin/env bash
test 0 != $(id -u) && { echo "sudo ${0} ${@}"; sudo ${0} ${@} && exit 0 || exit 1; }
BOX_NAME=sles11sp3
AUTOINST=https://raw.githubusercontent.com/jedi4ever/veewee/master/templates/SLES-11-SP3-DVD-x86_64-GM/autoinst.xml
BOX_HOME=${HOME}/.vagrant.d/boxes/${BOX_NAME}/0/virtualbox
BOX_VMDK=${BOX_HOME}/box-disk1.vmdk
LXC_DEFAULT_CONFIG=$(lxc-config lxc.default_config)
LXC_BASE_PATH=$(lxc-config lxc.lxcpath)
BOX_TMP=/tmp/${BOX_NAME}
BOX_MNT=${BOX_TMP}/mnt
BOX_RAW=${BOX_TMP}/box.img
test -d ${BOX_MNT} || mkdir -p ${BOX_MNT}
test -f ${BOX_RAW} || qemu-img convert -O raw ${BOX_VMDK} ${BOX_RAW}
OFFSET=$(fdisk -l ${BOX_RAW} | awk '/Linux$/{print ($3 * 512)}')
test -d ${BOX_MNT}/etc || mount -o loop,offset=${OFFSET} ${BOX_RAW} ${BOX_MNT}
cp /etc/resolv.conf ${BOX_MNT}/etc/
chroot ${BOX_MNT} zypper install -y lxc
chroot ${BOX_MNT} lxc-create --name ${BOX_NAME} -B none --template sles
LXC_SRC_PATH=${BOX_MNT}/var/lib/lxc/${BOX_NAME}
LXC_SRC_ROOTFS=${LXC_PATH}/rootfs
lxc-stop --name ${BOX_NAME}
LXC_PATH=${LXC_BASE_PATH}/${BOX_NAME}
mkdir -p ${LXC_PATH}
rm -fr ${LXC_PATH}/*
tar --numeric-owner --create --directory ${LXC_SRC_PATH} --to-stdout rootfs \
| tar --numeric-owner --get --verbose --directory ${LXC_PATH}
LXC_ROOTFS=${LXC_PATH}/rootfs
cp /etc/resolv.conf ${LXC_ROOTFS}/etc/
curl ${AUTOINST} > ${LXC_ROOTFS}/autoinst.xml
tee ${LXC_ROOTFS}/autoinst.sh <<EOF
export TERM=linux
sed -i '/<bootloader/,/<\/bootloader/c <bootloader/>' /autoinst.xml
sed -i '/<partitioning/,/<\/partitioning/c <partitioning/>' /autoinst.xml
sed -i '/<networking/,/<\/networking/c <networking/>' /autoinst.xml
sed -i '/<software/,/<\/software/c <software/>' /autoinst.xml
/sbin/yast2 --ncurses ayast_setup setup verbose filename=/autoinst.xml
# remove zypper locks on removed packages to avoid later dependency problems
zypper --non-interactive rl \*
zypper install -y --no-recommends sudo
zypper install -y rubygem-puppet
date > /etc/vagrant_box_build_time
# install vagrant key
echo -e "\ninstall vagrant key ..."
mkdir -m 0700 /home/vagrant/.ssh
cd /home/vagrant/.ssh
wget --no-check-certificate -O authorized_keys https://raw.github.com/mitchellh/vagrant/master/keys/vagrant.pub
chmod 0600 /home/vagrant/.ssh/authorized_keys
chown -R vagrant.users /home/vagrant/.ssh
# update sudoers
echo -e "\nupdate sudoers ..."
echo -e "\n# added by veewee/postinstall.sh" >> /etc/sudoers
echo -e "vagrant ALL=(ALL) NOPASSWD: ALL\n" >> /etc/sudoers
# speed-up remote logins
echo -e "\nspeed-up remote logins ..."
echo -e "\n# added by veewee/postinstall.sh" >> /etc/ssh/sshd_config
echo -e "UseDNS no\n" >> /etc/ssh/sshd_config
exit 0
EOF
chmod 755 ${LXC_ROOTFS}/autoinst.sh
tee ${LXC_PATH}/lxc-config <<EOF
lxc.tty = 4
lxc.pts = 1024
# When using LXC with apparmor, uncomment the next line to run unconfined:
#lxc.aa_profile = unconfined
lxc.cgroup.devices.deny = a
# /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 rwm
#oracle wants shm, notice the option create=dir
#lxc.mount.entry = shm dev/shm tmpfs size=8192000k,nosuid,nodev,noexec,create=dir 0 0
EOF
tee ${LXC_ROOTFS}/etc/fstab <<EOF
proc /proc proc defaults 0 0
sysfs /sys sysfs noauto 0 0
EOF
tee ${LXC_PATH}/config <${LXC_DEFAULT_CONFIG}
tee --append ${LXC_PATH}/config <<EOF
lxc.utsname = ${BOX_NAME}
lxc.rootfs = ${LXC_ROOTFS}
EOF
tee --append ${LXC_PATH}/config <${LXC_PATH}/lxc-config
lxc-start --name ${BOX_NAME} --daemon
lxc-attach --name ${BOX_NAME} -- /autoinst.sh
#lxc-attach --name ${BOX_NAME} -- /bin/bash
lxc-stop --name ${BOX_NAME}
tee ${LXC_PATH}/metadata.json <<EOF
{
"provider": "lxc",
"version": "1.0.0",
"built-on": "$(date --utc)"
}
EOF
tee ${LXC_PATH}/lxc-template <<EOF
#!/usr/bin/env bash
set -eu
LXC_MAPPED_GID=
LXC_MAPPED_UID=
LXC_NAME=
LXC_PATH=
LXC_ROOTFS=
LXC_TARBALL=
LXC_CONFIG=
options=\$(getopt -o h -l tarball:,config:,help:,name:,path:,rootfs:,mapped-uid:,mapped-gid: -- "\$@")
test \$? -ne 0 && exit 1
eval set -- "\$options"
while true
do
case "\$1" in
-h|--help) exit 0;;
--config) LXC_CONFIG=\$2; shift 2;;
--tarball) LXC_TARBALL=\$2; shift 2;;
--name) LXC_NAME=\$2; shift 2;;
--path) LXC_PATH=\$2; shift 2;;
--rootfs) LXC_ROOTFS=\$2; shift 2;;
--mapped-uid) LXC_MAPPED_UID=\$2; shift 2;;
--mapped-gid) LXC_MAPPED_GID=\$2; shift 2;;
*) break;;
esac
done
cat \${LXC_CONFIG} >> \${LXC_PATH}/config
tar --extract --numeric-owner --verbose --directory \${LXC_PATH} --file \${LXC_TARBALL} rootfs
exit 0
EOF
LXC_BOX=${LXC_PATH}.box
rm -f ${LXC_BOX}
tar --numeric-owner --verbose --create --directory ${LXC_PATH} --file ${LXC_PATH}/rootfs.tar.gz --gz rootfs
tar --numeric-owner --verbose --create --directory ${LXC_PATH} --file ${LXC_BOX} rootfs.tar.gz
tar --numeric-owner --verbose --append --directory ${LXC_PATH} --file ${LXC_BOX} metadata.json
tar --numeric-owner --verbose --append --directory ${LXC_PATH} --file ${LXC_BOX} lxc-config
tar --numeric-owner --verbose --append --directory ${LXC_PATH} --file ${LXC_BOX} lxc-template
rm -fr ${LXC_PATH}
lxc-destroy --name ${BOX_NAME}
echo ${LXC_BOX}
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