#!/bin/bash
# -*-shell-*-
+# close stdin, as with ubuntu and debian VMs this script tends to hang and wait for input ..
+0<&-
+
#shopt -s huponexit
COMMAND=$(basename $0)
DIRNAME=$(dirname $0)
BUILD_DIR=$(pwd)
-# pkgs parsing utilities
-PATH=$(dirname $0):$PATH export PATH
+# pkgs parsing utilities + lbuild-bridge.sh
+export PATH=$(dirname $0):$PATH
# old guests have e.g. mount in /bin but this is no longer part of
# the standard PATH in recent hosts after usrmove, so let's keep it simple
-export PATH=PATH=$PATH:/bin:/sbin
+export PATH=$PATH:/bin:/sbin
. build.common
DEFAULT_FCDISTRO=f20
DEFAULT_PLDISTRO=lxc
DEFAULT_PERSONALITY=linux64
-
-COMMAND_LBUILD="lbuild-initvm.sh"
-COMMAND_LTEST="ltest-initvm.sh"
+DEFAULT_MEMORY=512
##########
-# when creating build boxes we use private NAT'ed addresses for the VMs
-# as per virbr0 that is taken care of by libvirt at startup
-PRIVATE_BRIDGE="virbr0"
-PRIVATE_PREFIX="192.168.122."
-PRIVATE_GATEWAY="192.168.122.1"
-# beware that changing this would break the logic of random_private_byte...
-PRIVATE_MASKLEN=24
-
-# we just try randomly in that range until a free IP address shows up
-PRIVATE_ATTEMPTS=20
-
# constant
PUBLIC_BRIDGE=br0
# the network interface name as seen from the container
VIF_GUEST=eth0
-##############################
-## stolen from tests/system/template-qemu/qemu-bridge-init
-# use /proc/net/dev instead of a hard-wired list
-function gather_interfaces () {
- python <<EOF
-for line in file("/proc/net/dev"):
- if ':' not in line: continue
- ifname=line.replace(" ","").split(":")[0]
- if ifname.find("lo")==0: continue
- if ifname.find("br")==0: continue
- if ifname.find("virbr")==0: continue
- if ifname.find("tap")==0: continue
- print ifname
-EOF
-}
-
-function discover_interface () {
- for ifname in $(gather_interfaces); do
- ip link show $ifname | grep -qi 'state UP' && { echo $ifname; return; }
- done
- # still not found ? that's bad
- echo unknown
-}
-########## check for a free IP
-function ip_is_busy () {
- target=$1; shift
- ping -c 1 -W 1 $target >& /dev/null
-}
-
-function random_private_byte () {
- for attempt in $(seq $PRIVATE_ATTEMPTS); do
- byte=$(($RANDOM % 256))
- if [ "$byte" == 0 -o "$byte" == 1 ] ; then continue; fi
- ip=${PRIVATE_PREFIX}${byte}
- ip_is_busy $ip || { echo $byte; return; }
- done
- echo "Cannot seem to find a free IP address in range ${PRIVATE_PREFIX}.xx/24 after $PRIVATE_ATTEMPTS attempts - exiting"
- exit 1
-}
+##########
+FEDORA_MIRROR_BASE="http://mirror.onelab.eu/fedora/"
+FEDORA_MIRROR_KEYS="http://mirror.onelab.eu/keys/"
+FEDORA_PREINSTALLED="yum initscripts passwd rsyslog vim-minimal dhclient chkconfig rootfiles policycoreutils openssh-server openssh-clients"
+DEBIAN_PREINSTALLED="openssh-server openssh-client"
-########## networking -- ctd
+########## networking utilities
function gethostbyname () {
hostname=$1
python -c "import socket; print socket.gethostbyname('"$hostname"')" 2> /dev/null
EOF
}
-#################### bridge initialization
-function create_bridge_if_needed() {
-
- # turn on verbosity
- set -x
-
- # already created ? - we're done
- ip addr show $PUBLIC_BRIDGE >& /dev/null && {
- echo "Bridge already set up - skipping create_bridge_if_needed"
- return 0
- }
-
- # find out the physical interface to bridge onto
- if_lan=$(discover_interface)
-
- ip addr show $if_lan &>/dev/null || {
- echo "Cannot use interface $if_lan - exiting"
- exit 1
- }
-
- #################### bride initialization
- check_yum_installed bridge-utils
-
- echo "========== $COMMAND: entering create_bridge - beg"
- hostname
- uname -a
- ip addr show
- ip route
- echo "========== $COMMAND: entering create_bridge - end"
-
- # disable netfilter calls for bridge interface (they cause panick on 2.6.35 anyway)
- #
- # another option would be to accept the all forward packages for
- # bridged interface like: -A FORWARD -m physdev --physdev-is-bridged -j ACCEPT
- sysctl net.bridge.bridge-nf-call-iptables=0
- sysctl net.bridge.bridge-nf-call-ip6tables=0
- sysctl net.bridge.bridge-nf-call-arptables=0
-
-
- #Getting host IP/masklen
- address=$(ip addr show $if_lan | grep -v inet6 | grep inet | head --lines=1 | awk '{print $2;}')
- [ -z "$address" ] && { echo "ERROR: Could not determine IP address for $if_lan" ; exit 1 ; }
-
- broadcast=$(ip addr show $if_lan | grep -v inet6 | grep inet | head --lines=1 | awk '{print $4;}')
- [ -z "$broadcast" ] && echo "WARNING: Could not determine broadcast address for $if_lan"
-
- gateway=$(ip route show | grep default | awk '{print $3;}')
- [ -z "$gateway" ] && echo "WARNING: Could not determine gateway IP"
-
-
- # creating the bridge
- echo "Creating bridge PUBLIC_BRIDGE=$PUBLIC_BRIDGE"
- brctl addbr $PUBLIC_BRIDGE
- brctl addif $PUBLIC_BRIDGE $if_lan
- echo "Activating promiscuous mode if_lan=$if_lan"
- ip link set $if_lan up promisc on
- sleep 2
- # rely on dhcp to re assign IP..
- echo "Starting dhclient on $PUBLIC_BRIDGE"
- dhclient $PUBLIC_BRIDGE
- sleep 1
-
- #Reconfigure the routing table
- echo "Configuring gateway=$gateway"
- ip route add default via $gateway dev $PUBLIC_BRIDGE
- ip route del default via $gateway dev $if_lan
- # at this point we have an extra route like e.g.
- ## ip route show
- #default via 138.96.112.250 dev br0
- #138.96.112.0/21 dev em1 proto kernel scope link src 138.96.112.57
- #138.96.112.0/21 dev br0 proto kernel scope link src 138.96.112.57
- #192.168.122.0/24 dev virbr0 proto kernel scope link src 192.168.122.1
- route_dest=$(ip route show | grep -v default | grep "dev $PUBLIC_BRIDGE" | awk '{print $1;}')
- ip route del $route_dest dev $if_lan
-
- echo "========== $COMMAND: exiting create_bridge - beg"
- ip addr show
- ip route show
- echo "========== $COMMAND: exiting create_bridge - end"
-
- # for safety
- sleep 3
- return 0
-
-}
-
##############################
# return yum or debootstrap
function package_method () {
fcdistro=$1; shift
case $fcdistro in
f[0-9]*|centos[0-9]*|sl[0-9]*) echo yum ;;
- squeeze|wheezy|oneiric|precise|quantal|raring|saucy) echo debootstrap ;;
+ squeeze|wheezy|jessie|oneiric|precise|quantal|raring|saucy|trusty) echo debootstrap ;;
*) echo Unknown distro $fcdistro ;;
esac
}
count=$(cd $dir; ls | wc -l); [ $count -le 1 ];
}
-##############################
-function check_yum_installed () {
- package=$1; shift
- rpm -q $package >& /dev/null || yum -y install $package
-}
-
-function check_yumgroup_installed () {
- group="$1"; shift
- yum grouplist "$group" | grep -q Installed || { yum -y groupinstall "$group" ; }
-}
-
##############################
function fedora_install() {
set -x
set -e
- mkdir -p /var/lock/subsys/
+ cache=/var/cache/lxc/fedora/$arch/$release
+ mkdir -p $cache
+
(
- flock -n -x 200 || { echo "Cache repository is busy." ; return 1 ; }
+ flock --exclusive --timeout 60 200 || { echo "Cache repository is busy." ; return 1 ; }
if [ ! -e "$cache/rootfs" ]; then
echo "Getting cache download in $cache/rootfs ... "
- fedora_download || { echo "Failed to download 'fedora base'"; return 1; }
+ fedora_download $cache || { echo "Failed to download 'fedora base'"; return 1; }
else
echo "Updating cache $cache/rootfs ..."
if ! yum --installroot $cache/rootfs -y --nogpgcheck update ; then
fi
fi
- echo "Copy $cache/rootfs to $rootfs_path ... "
- mkdir -p $rootfs_path
- rsync -a $cache/rootfs/ $rootfs_path/
+ echo "Filling $lxc_root from $cache/rootfs ... "
+ rsync -a $cache/rootfs/ $lxc_root/
return 0
- ) 200>/var/lock/subsys/lxc
+ ) 200> $cache/lock
return $?
}
function fedora_download() {
set -x
+
+ cache=$1; shift
+
# check the mini fedora was not already downloaded
INSTALL_ROOT=$cache/partial
echo $INSTALL_ROOT
sed -i "s/\$basearch/$arch/g; s/\$releasever/$release/g;" $f
done
- MIRROR_URL=http://mirror.onelab.eu/fedora/releases/$release/Everything/$arch/os
+ MIRROR_URL=$FEDORA_MIRROR_BASE/releases/$release/Everything/$arch/os
RELEASE_URL1="$MIRROR_URL/Packages/fedora-release-$release-1.noarch.rpm"
# with fedora18 the rpms are scattered by first name
RELEASE_URL2="$MIRROR_URL/Packages/f/fedora-release-$release-1.noarch.rpm"
# this patch undone, like we have in place on our f14 boxes (our f14 boxes need a f18-like rpm)
YUM="yum --installroot=$INSTALL_ROOT --nogpgcheck -y"
- PKG_LIST="yum initscripts passwd rsyslog vim-minimal dhclient chkconfig rootfiles policycoreutils openssh-server openssh-clients"
- echo "$YUM install $PKG_LIST"
- $YUM install $PKG_LIST || { echo "Failed to download rootfs, aborting." ; return 1; }
+ echo "$YUM install $FEDORA_PREINSTALLED"
+ $YUM install $FEDORA_PREINSTALLED || { echo "Failed to download rootfs, aborting." ; return 1; }
mv "$INSTALL_ROOT" "$cache/rootfs"
echo "Download complete."
set -e
# disable selinux in fedora
- mkdir -p $rootfs_path/selinux
- echo 0 > $rootfs_path/selinux/enforce
+ mkdir -p $lxc_root/selinux
+ echo 0 > $lxc_root/selinux/enforce
# set the hostname
case "$fcdistro" in
f18|f2?)
- cat <<EOF > ${rootfs_path}/etc/hostname
+ cat <<EOF > ${lxc_root}/etc/hostname
$GUEST_HOSTNAME
EOF
echo ;;
*)
- cat <<EOF > ${rootfs_path}/etc/sysconfig/network
+ cat <<EOF > ${lxc_root}/etc/sysconfig/network
NETWORKING=yes
HOSTNAME=$GUEST_HOSTNAME
EOF
# set minimal hosts
- cat <<EOF > $rootfs_path/etc/hosts
+ cat <<EOF > $lxc_root/etc/hosts
127.0.0.1 localhost $GUEST_HOSTNAME
EOF
echo ;;
esac
- dev_path="${rootfs_path}/dev"
+ dev_path="${lxc_root}/dev"
rm -rf $dev_path
mkdir -p $dev_path
mknod -m 666 ${dev_path}/null c 1 3
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 $rootfs_path chpasswd
-
if [ "$(echo $fcdistro | cut -d"f" -f2)" -le "14" ]; then
fedora_configure_init
else
fedora_configure_systemd
fi
- guest_ifcfg=${rootfs_path}/etc/sysconfig/network-scripts/ifcfg-$VIF_GUEST
+ guest_ifcfg=${lxc_root}/etc/sysconfig/network-scripts/ifcfg-$VIF_GUEST
( [ -n "$BUILD_MODE" ] && write_guest_ifcfg_build || write_guest_ifcfg_test ) > $guest_ifcfg
- fedora_configure_yum $lxc $fcdistro $pldistro
+ [ -z "$IMAGE" ] && fedora_configure_yum $lxc $fcdistro $pldistro
return 0
}
function fedora_configure_init() {
set -e
set -x
- sed -i 's|.sbin.start_udev||' ${rootfs_path}/etc/rc.sysinit
- sed -i 's|.sbin.start_udev||' ${rootfs_path}/etc/rc.d/rc.sysinit
+ sed -i 's|.sbin.start_udev||' ${lxc_root}/etc/rc.sysinit
+ sed -i 's|.sbin.start_udev||' ${lxc_root}/etc/rc.d/rc.sysinit
# don't mount devpts, for pete's sake
- sed -i 's/^.*dev.pts.*$/#\0/' ${rootfs_path}/etc/rc.sysinit
- sed -i 's/^.*dev.pts.*$/#\0/' ${rootfs_path}/etc/rc.d/rc.sysinit
- chroot ${rootfs_path} chkconfig udev-post off
- chroot ${rootfs_path} chkconfig network on
+ sed -i 's/^.*dev.pts.*$/#\0/' ${lxc_root}/etc/rc.sysinit
+ sed -i 's/^.*dev.pts.*$/#\0/' ${lxc_root}/etc/rc.d/rc.sysinit
+ chroot ${lxc_root} chkconfig udev-post off
+ chroot ${lxc_root} chkconfig network on
}
# this code of course is for guests that do run on systemd
set -e
set -x
# so ignore if we can't find /etc/systemd at all
- [ -d ${rootfs_path}/etc/systemd ] || return 0
+ [ -d ${lxc_root}/etc/systemd ] || return 0
# otherwise let's proceed
- ln -sf /lib/systemd/system/multi-user.target ${rootfs_path}/etc/systemd/system/default.target
- touch ${rootfs_path}/etc/fstab
- ln -sf /dev/null ${rootfs_path}/etc/systemd/system/udev.service
+ ln -sf /lib/systemd/system/multi-user.target ${lxc_root}/etc/systemd/system/default.target
+ touch ${lxc_root}/etc/fstab
+ ln -sf /dev/null ${lxc_root}/etc/systemd/system/udev.service
# Thierry - Feb 2013
# this was intended for f16 initially, in order to enable getty that otherwise would not start
# having a getty running is helpful only if ssh won't start though, and we see a correlation between
# VM's that refuse to lxc-stop and VM's that run crazy getty's
# so, turning getty off for now instead
# #dependency on a device unit fails it specially that we disabled udev
-# sed -i 's/After=dev-%i.device/After=/' ${rootfs_path}/lib/systemd/system/getty\@.service
- ln -sf /dev/null ${rootfs_path}/etc/systemd/system/"getty@.service"
- rm -f ${rootfs_path}/etc/systemd/system/getty.target.wants/*service || :
+# sed -i 's/After=dev-%i.device/After=/' ${lxc_root}/lib/systemd/system/getty\@.service
+ ln -sf /dev/null ${lxc_root}/etc/systemd/system/"getty@.service"
+ rm -f ${lxc_root}/etc/systemd/system/getty.target.wants/*service || :
# can't seem to handle this one with systemctl
- chroot ${rootfs_path} chkconfig network on
+ chroot ${lxc_root} chkconfig network on
}
# overwrite container yum config
pldistro=$1; shift
# rpm --rebuilddb
- chroot $rootfs_path rpm --rebuilddb
+ chroot $lxc_root rpm --rebuilddb
echo "Initializing yum.repos.d in $lxc"
- rm -f $rootfs_path/etc/yum.repos.d/*
+ rm -f $lxc_root/etc/yum.repos.d/*
- cat > $rootfs_path/etc/yum.repos.d/building.repo <<EOF
+ cat > $lxc_root/etc/yum.repos.d/building.repo <<EOF
[fedora]
-name=Fedora $release - $arch
-baseurl=http://mirror.onelab.eu/fedora/releases/$release/Everything/$arch/os/
+name=Fedora \$releasever - \$basearch
+baseurl=$FEDORA_MIRROR_BASE/releases/\$releasever/Everything/\$basearch/os/
enabled=1
metadata_expire=7d
gpgcheck=1
-gpgkey=http://mirror.onelab.eu/keys/RPM-GPG-KEY-fedora-$release-primary
+gpgkey=$FEDORA_MIRROR_KEYS/RPM-GPG-KEY-fedora-$release-primary
[updates]
-name=Fedora $release - $arch - Updates
-baseurl=http://mirror.onelab.eu/fedora/updates/$release/$arch/
+name=Fedora \$releasever - \$basearch - Updates
+baseurl=$FEDORA_MIRROR_BASE/updates/\$releasever/\$basearch/
enabled=1
metadata_expire=7d
gpgcheck=1
-gpgkey=http://mirror.onelab.eu/keys/RPM-GPG-KEY-fedora-$release-primary
+gpgkey=$FEDORA_MIRROR_KEYS/RPM-GPG-KEY-fedora-$release-primary
EOF
-
+
# for using vtest-init-lxc.sh as a general-purpose lxc creation wrapper
# just mention 'none' as the repo url
if [ -n "$REPO_URL" ] ; then
- if [ ! -d $rootfs_path/etc/yum.repos.d ] ; then
+ if [ ! -d $lxc_root/etc/yum.repos.d ] ; then
echo "WARNING : cannot create myplc repo"
else
# exclude kernel from fedora repos
yumexclude=$(pl_plcyumexclude $fcdistro $pldistro $DIRNAME)
- for repo in $rootfs_path/etc/yum.repos.d/* ; do
+ for repo in $lxc_root/etc/yum.repos.d/* ; do
[ -f $repo ] && yumconf_exclude $repo "exclude=$yumexclude"
done
# the build repo is not signed at this stage
- cat > $rootfs_path/etc/yum.repos.d/myplc.repo <<EOF
+ cat > $lxc_root/etc/yum.repos.d/myplc.repo <<EOF
[myplc]
name= MyPLC
baseurl=$REPO_URL
function debian_mirror () {
fcdistro=$1; shift
case $fcdistro in
- squeeze|wheezy)
+ squeeze|wheezy|jessie)
echo http://ftp2.fr.debian.org/debian/ ;;
- oneiric|precise|quantal|raring|saucy)
+ oneiric|precise|quantal|raring|saucy|trusty)
echo http://mir1.ovh.net/ubuntu/ubuntu/ ;;
*) echo unknown distro $fcdistro; exit 1;;
esac
function debian_install () {
set -e
set -x
- mkdir -p $rootfs_path
+ lxc=$1; shift
+ mkdir -p $lxc_root
arch=$(canonical_arch $personality $fcdistro)
mirror=$(debian_mirror $fcdistro)
- debootstrap --arch $arch $fcdistro $rootfs_path $mirror
+ debootstrap --arch $arch $fcdistro $lxc_root $mirror
+ # just like with fedora we ensure a few packages get installed as well
+ # not started yet
+ #virsh -c lxc:/// lxc-enter-namespace $lxc /bin/bash -c "apt-get update"
+ #virsh -c lxc:/// lxc-enter-namespace $lxc /bin/bash -c "apt-get -y install $DEBIAN_PREINSTALLED"
+ chroot $lxc_root apt-get update
+ chroot $lxc_root apt-get -y install $DEBIAN_PREINSTALLED
+ # configure hostname
+ cat <<EOF > ${lxc_root}/etc/hostname
+$GUEST_HOSTNAME
+EOF
+
}
function debian_configure () {
- echo "WARNING No debian config available yet"
+ guest_interfaces=${lxc_root}/etc/network/interfaces
+ ( [ -n "$BUILD_MODE" ] && write_guest_interfaces_build || write_guest_interfaces_test ) > $guest_interfaces
+}
+
+function write_guest_interfaces_build () {
+ cat <<EOF
+auto $VIF_GUEST
+iface $VIF_GUEST inet dhcp
+EOF
+}
+
+function write_guest_interfaces_test () {
+ cat <<EOF
+auto $VIF_GUEST
+iface $VIF_GUEST inet static
+address $GUEST_IP
+netmask $NETMASK
+gateway $GATEWAY
+EOF
}
##############################
function setup_lxc() {
pkg_method=$(package_method $fcdistro)
case $pkg_method in
yum)
- fedora_install || { echo "failed to install fedora root image"; exit 1 ; }
+ if [ -z "$IMAGE" ]; then
+ fedora_install || { echo "failed to install fedora root image"; exit 1 ; }
+ fi
fedora_configure || { echo "failed to configure fedora for a container"; exit 1 ; }
;;
debootstrap)
- debian_install || { echo "failed to install debian/ubuntu root image"; exit 1 ; }
+ if [ -z "$IMAGE" ]; then
+ debian_install $lxc || { echo "failed to install debian/ubuntu root image"; exit 1 ; }
+ fi
debian_configure || { echo "failed to configure debian/ubuntu for a container"; exit 1 ; }
;;
*)
esac
# Enable cgroup -- xxx -- is this really useful ?
- mkdir $rootfs_path/cgroup
+ [ -d $lxc_root/cgroup ] || mkdir $lxc_root/cgroup
# set up resolv.conf
- cp /etc/resolv.conf $rootfs_path/etc/resolv.conf
+ cp /etc/resolv.conf $lxc_root/etc/resolv.conf
# and /etc/hosts for at least localhost
- [ -f $rootfs_path/etc/hosts ] || echo "127.0.0.1 localhost localhost.localdomain" > $rootfs_path/etc/hosts
+ [ -f $lxc_root/etc/hosts ] || echo "127.0.0.1 localhost localhost.localdomain" > $lxc_root/etc/hosts
# grant ssh access from host to guest
- mkdir $rootfs_path/root/.ssh
- cat /root/.ssh/id_rsa.pub >> $rootfs_path/root/.ssh/authorized_keys
-
- config_xml=$config_path/"lxc.xml"
+ mkdir -p $lxc_root/root/.ssh
+ cat /root/.ssh/id_rsa.pub >> $lxc_root/root/.ssh/authorized_keys
+ chmod 700 $lxc_root/root/.ssh
+ chmod 600 $lxc_root/root/.ssh/authorized_keys
+
+ # don't keep the input xml, this can be retrieved at all times with virsh dumpxml
+ config_xml=/tmp/$lxc.xml
( [ -n "$BUILD_MODE" ] && write_lxc_xml_build $lxc || write_lxc_xml_test $lxc ) > $config_xml
# define lxc container for libvirt
cat <<EOF
<domain type='lxc'>
<name>$lxc</name>
- <memory>524288</memory>
+ <memory>$MEMORY</memory>
<os>
<type arch='$arch2'>exe</type>
<init>/sbin/init</init>
<devices>
<emulator>/usr/libexec/libvirt_lxc</emulator>
<filesystem type='mount'>
- <source dir='$rootfs_path'/>
+ <source dir='$lxc_root'/>
<target dir='/'/>
</filesystem>
<interface type="bridge">
cat <<EOF
<domain type='lxc'>
<name>$lxc</name>
- <memory>524288</memory>
+ <memory>$MEMORY</memory>
<os>
<type arch='$arch2'>exe</type>
<init>/sbin/init</init>
<devices>
<emulator>/usr/libexec/libvirt_lxc</emulator>
<filesystem type='mount'>
- <source dir='$rootfs_path'/>
+ <source dir='$lxc_root'/>
<target dir='/'/>
</filesystem>
<interface type="network">
EOF
}
-# use fixed IP as specified by GUEST_HOSTNAME
+# use fixed GUEST_IP as specified by GUEST_HOSTNAME
function write_guest_ifcfg_test () {
cat <<EOF
DEVICE=$VIF_GUEST
BOOTPROTO=static
ONBOOT=yes
HOSTNAME=$GUEST_HOSTNAME
-IPADDR=$IP
+IPADDR=$GUEST_IP
NETMASK=$NETMASK
GATEWAY=$GATEWAY
NM_CONTROLLED=no
### install individual packages, then groups
# get target arch - use uname -i here (we want either x86_64 or i386)
- lxc_arch=$(chroot $rootfs_path uname -i)
+ lxc_arch=$(chroot $lxc_root uname -i)
# on debian systems we get arch through the 'arch' command
- [ "$lxc_arch" = "unknown" ] && lxc_arch=$(chroot $rootfs_path arch)
+ [ "$lxc_arch" = "unknown" ] && lxc_arch=$(chroot $lxc_root arch)
packages=$(pl_getPackages -a $lxc_arch $fcdistro $pldistro $pkgsfile)
groups=$(pl_getGroups -a $lxc_arch $fcdistro $pldistro $pkgsfile)
case "$pkg_method" in
yum)
- [ -n "$packages" ] && chroot $rootfs_path yum -y install $packages
+ [ -n "$packages" ] && chroot $lxc_root yum -y install $packages
for group_plus in $groups; do
group=$(echo $group_plus | sed -e "s,+++, ,g")
- chroot $rootfs_path yum -y groupinstall "$group"
+ chroot $lxc_root yum -y groupinstall "$group"
done
# store current rpm list in /init-lxc.rpms in case we need to check the contents
- chroot $rootfs_path rpm -aq > $rootfs_path/init-lxc.rpms
+ chroot $lxc_root rpm -aq > $lxc_root/init-lxc.rpms
;;
debootstrap)
- chroot $rootfs_path apt-get update
- for package in $packages ; do
- chroot $rootfs_path apt-get install -y $package
+ # for ubuntu
+ if grep -iq ubuntu /vservers/$lxc/etc/lsb-release 2> /dev/null; then
+ # on ubuntu, at this point we end up with a single feed in /etc/apt/sources.list
+ # we need at least to add the 'universe' feed for python-rpm
+ ( cd /vservers/$lxc/etc/apt ; head -1 sources.list | sed -e s,main,universe, > sources.list.d/universe.list )
+ # also adding a link to updates sounds about right
+ ( cd /vservers/$lxc/etc/apt ; head -1 sources.list | sed -e 's, main,-updates main,' > sources.list.d/updates.list )
+ # tell apt about the changes
+ chroot /vservers/$lxc apt-get update
+ fi
+ for package in $packages ; do
+ # container not started yet
+ #virsh -c lxc:/// lxc-enter-namespace $lxc /bin/bash -c "apt-get install -y $package" || :
+ chroot $lxc_root apt-get install -y $package || :
done
### xxx todo install groups with apt..
;;
function post_install () {
lxc=$1; shift
personality=$1; shift
+ # setup localtime from the host
+ cp /etc/localtime $lxc_root/etc/localtime
if [ -n "$BUILD_MODE" ] ; then
post_install_build $lxc $personality
- lxc_start $lxc
- # manually run dhclient in guest - somehow this network won't start on its own
- virsh -c lxc:/// lxc-enter-namespace $lxc /usr/sbin/dhclient $VIF_GUEST
+ if [ -n "$START_VM" ] ; then
+ virsh -c lxc:/// start $lxc
+ # manually run dhclient in guest - somehow this network won't start on its own
+ virsh -c lxc:/// lxc-enter-namespace $lxc /bin/bash -c "dhclient $VIF_GUEST"
+ fi
else
post_install_myplc $lxc $personality
- lxc_start $lxc
- wait_for_ssh $lxc
+ if [ -n "$START_VM" ] ; then
+ virsh -c lxc:/// start $lxc
+ # it sounds like we don't need ssh per se any more
+ # it still makes sense to wait for network readiness though
+ # some day maybe...
+ wait_for_ssh $lxc
+ fi
fi
- # setup localtime from the host
- cp /etc/localtime $rootfs_path/etc/localtime
}
function post_install_build () {
### From myplc-devel-native.spec
# be careful to backslash $ in this, otherwise it's the root context that's going to do the evaluation
- cat << EOF | chroot $rootfs_path bash -x
- # set up /dev/loop* in lxc
- for i in \$(seq 0 255) ; do
- /bin/mknod -m 640 /dev/loop\$i b 7 \$i
- done
-
- # create symlink for /dev/fd
- [ ! -e "/dev/fd" ] && /bin/ln -s /proc/self/fd /dev/fd
-
- # modify /etc/rpm/macros to not use /sbin/new-kernel-pkg
- /bin/sed -i 's,/sbin/new-kernel-pkg:,,' /etc/rpm/macros
- if [ -h "/sbin/new-kernel-pkg" ] ; then
- filename=\$(/bin/readlink -f /sbin/new-kernel-pkg)
- if [ "\$filename" == "/sbin/true" ] ; then
- /bin/echo "WARNING: /sbin/new-kernel-pkg symlinked to /sbin/true"
- /bin/echo "\tmost likely /etc/rpm/macros has /sbin/new-kernel-pkg declared in _netsharedpath."
- /bin/echo "\tPlease remove /sbin/new-kernel-pkg from _netsharedpath and reintall mkinitrd."
- exit 1
- fi
- fi
+ cat << EOF | chroot $lxc_root bash -x
# customize root's prompt
/bin/cat << PROFILE > /root/.profile
export PS1="[$lxc] \\w # "
PROFILE
- uid=2000
- gid=2000
-
- # add a "build" user to the system
- builduser=\$(grep "^build:" /etc/passwd | wc -l)
- if [ \$builduser -eq 0 ] ; then
- groupadd -o -g \$gid build;
- useradd -o -c 'Automated Build' -u \$uid -g \$gid -n -M -s /bin/bash build;
- fi
-
-# Allow build user to build certain RPMs as root
- if [ -f /etc/sudoers ] ; then
- buildsudo=\$(grep "^build.*ALL=(ALL).*NOPASSWD:.*ALL" /etc/sudoers | wc -l)
- if [ \$buildsudo -eq 0 ] ; then
- echo "build ALL=(ALL) NOPASSWD: ALL" >> /etc/sudoers
- fi
- sed -i 's,^Defaults.*requiretty,#Defaults requiretty,' /etc/sudoers
- fi
-#
EOF
}
personality=$1; shift
# be careful to backslash $ in this, otherwise it's the root context that's going to do the evaluation
- cat << EOF | chroot $rootfs_path bash -x
+ cat << EOF | chroot $lxc_root bash -x
# create /etc/sysconfig/network if missing
[ -f /etc/sysconfig/network ] || /bin/echo NETWORKING=yes > /etc/sysconfig/network
- # create symlink for /dev/fd
- [ ! -e "/dev/fd" ] && /bin/ln -s /proc/self/fd /dev/fd
-
# turn off regular crond, as plc invokes plc_crond
/sbin/chkconfig crond off
- # take care of loginuid in /etc/pam.d
- /bin/sed -i "s,#*\(.*loginuid.*\),#\1," /etc/pam.d/*
-
# customize root's prompt
/bin/cat << PROFILE > /root/.profile
export PS1="[$lxc] \\w # "
EOF
}
-function lxc_start() {
-
- set -x
- set -e
- #trap failure ERR INT
-
- lxc=$1; shift
-
- virsh -c lxc:/// start $lxc
-
- return 0
-}
-
function wait_for_ssh () {
set -x
set -e
lxc=$1; shift
- echo $IP is up, waiting for ssh...
+ echo network in guest is up, waiting for ssh...
- #wait max 5 min for sshd to start
+ #wait max 2 min for sshd to start
ssh_up=""
- stop_time=$(($(date +%s) + 300))
current_time=$(date +%s)
+ stop_time=$(($current_time + 120))
counter=1
while [ "$current_time" -lt "$stop_time" ] ; do
echo "$counter-th attempt to reach sshd in container $lxc ..."
- ssh -o "StrictHostKeyChecking no" $IP 'uname -i' && { ssh_up=true; echo "SSHD in container $lxc is UP"; break ; } || :
+ ssh -o "StrictHostKeyChecking no" $GUEST_IP 'uname -i' && { ssh_up=true; echo "SSHD in container $lxc is UP"; break ; } || :
sleep 10
current_time=$(($current_time + 10))
counter=$(($counter+1))
function usage () {
set +x
- echo "Usage: $COMMAND_LBUILD [options] lxc-name"
- echo "Usage: $COMMAND_LTEST [options] lxc-name"
+ echo "Usage: $COMMAND [options] lxc-name (aka build mode)"
+ echo "Usage: $COMMAND -n hostname [options] lxc-name (aka test mode)"
echo "Description:"
- echo " This command creates a fresh lxc instance, for building, or running a test myplc"
+ echo " This command creates a fresh lxc instance, for building, or running a test myplc"
+ echo "In its first form, spawned VM gets a private IP bridged with virbr0 over dhcp/nat"
+ echo "With the second form, spawned VM gets a public IP bridged on public bridge br0"
+ echo ""
echo "Supported options"
+ echo " -n hostname - the hostname to use in container"
echo " -f fcdistro - for creating the root filesystem - defaults to $DEFAULT_FCDISTRO"
- echo " -d pldistro - defaults to $DEFAULT_PLDISTRO"
+ echo " -d pldistro - defaults to $DEFAULT_PLDISTRO - current support for fedoras debians ubuntus"
echo " -p personality - defaults to $DEFAULT_PERSONALITY"
- echo " -n hostname - the hostname to use in container - required with $COMMAND_LTEST"
- echo " -r repo-url - used to populate yum.repos.d - required with $COMMAND_LTEST"
- echo " -P pkgs_file - defines the set of extra pacakges"
- echo " by default we use vtest.pkgs or devel.pkgs according to $COMMAND"
+ echo " -r repo-url - used to populate yum.repos.d - required in test mode"
+ echo " -P pkgs_file - defines a set of extra packages to install in guest"
+ echo " by default we use devel.pkgs (build mode) or runtime.pkgs (test mode)"
+ echo " -i image - the location of the rootfs"
+ echo " -m memory - the amount of allocated memory in MB - defaults to $DEFAULT_MEMORY MB"
+ echo " -s do not start VM"
echo " -v be verbose"
exit 1
}
exit 1
fi
- case "$COMMAND" in
- $COMMAND_LBUILD)
- BUILD_MODE=true ;;
- $COMMAND_LTEST)
- TEST_MODE=true;;
- *)
- usage ;;
- esac
-
- echo 'build mode=' $BUILD_MODE 'test mode=' $TEST_MODE
-
- # the set of preinstalled packages - depends on vbuild or vtest
- if [ -n "$BUILD_MODE" ] ; then
- PREINSTALLED=devel.pkgs
- else
- PREINSTALLED=vtest.pkgs
- fi
- while getopts "f:d:p:n:r:P:v" opt ; do
+ START_VM=true
+ while getopts "n:f:d:p:r:P:i:m:sv" opt ; do
case $opt in
+ n) GUEST_HOSTNAME=$OPTARG;;
f) fcdistro=$OPTARG;;
d) pldistro=$OPTARG;;
p) personality=$OPTARG;;
- n) GUEST_HOSTNAME=$OPTARG;;
r) REPO_URL=$OPTARG;;
P) PREINSTALLED=$OPTARG;;
+ i) IMAGE=$OPTARG;;
+ m) MEMORY=$OPTARG;;
+ s) START_VM= ;;
v) VERBOSE=true; set -x;;
*) usage ;;
esac
# parse fixed arguments
[[ -z "$@" ]] && usage
lxc=$1 ; shift
+ lxc_root=/vservers/$lxc
+
+ # rainchecks
+ almost_empty $lxc_root || \
+ { echo "container $lxc already exists in $lxc_root - exiting" ; exit 1 ; }
+ virsh -c lxc:/// domuuid $lxc >& /dev/null && \
+ { echo "container $lxc already exists in libvirt - exiting" ; exit 1 ; }
+ mkdir -p $lxc_root
+
+ # if IMAGE, copy the provided rootfs to lxc_root
+ if [ -n "$IMAGE" ] ; then
+ [ ! -d "$IMAGE" ] && \
+ { echo "$IMAGE rootfs folder does not exist - exiting" ; exit 1 ; }
+ rsync -a $IMAGE/ $lxc_root/
+ fi
+
# check we've exhausted the arguments
[[ -n "$@" ]] && usage
+ # BUILD_MODE is true unless we specified a hostname
+ [ -n "$GUEST_HOSTNAME" ] || BUILD_MODE=true
+
+ # set default values
[ -z "$fcdistro" ] && fcdistro=$DEFAULT_FCDISTRO
[ -z "$pldistro" ] && pldistro=$DEFAULT_PLDISTRO
[ -z "$personality" ] && personality=$DEFAULT_PERSONALITY
+ [ -z "$MEMORY" ] && MEMORY=$DEFAULT_MEMORY
+ # set memory in KB
+ MEMORY=$(($MEMORY * 1024))
+
+ # the set of preinstalled packages - depends on mode
+ if [ -z "$PREINSTALLED" ] ; then
+ if [ -n "$BUILD_MODE" ] ; then
+ PREINSTALLED=devel.pkgs
+ else
+ PREINSTALLED=runtime.pkgs
+ fi
+ fi
+
if [ -n "$BUILD_MODE" ] ; then
- [ -z "$GUEST_HOSTNAME" ] && GUEST_HOSTNAME=$lxc
+ # we can now set GUEST_HOSTNAME safely
+ [ -z "$GUEST_HOSTNAME" ] && GUEST_HOSTNAME=$(echo $lxc | sed -e 's,\.,-,g')
else
- [[ -z "$GUEST_HOSTNAME" ]] && usage
+ # as this command can be used in other contexts, not specifying
+ # a repo is considered a warning
# use -r none to get rid of this warning
if [ "$REPO_URL" == "none" ] ; then
REPO_URL=""
echo "Unknown personality: $personality"
fi
- if [ -n "$BUILD_MODE" ] ; then
+ # compute networking details for the test mode
+ # (build mode relies entirely on dhcp on the private subnet)
+ if [ -z "$BUILD_MODE" ] ; then
- # Bridge IP affectation
- byte=$(random_private_byte)
- IP=${PRIVATE_PREFIX}$byte
- NETMASK=$(masklen_to_netmask $PRIVATE_MASKLEN)
- GATEWAY=$PRIVATE_GATEWAY
- VIF_HOST="i$byte"
- else
- [[ -z "GUEST_HOSTNAME" ]] && usage
-
- create_bridge_if_needed
+ #create_bridge_if_needed $PUBLIC_BRIDGE
+ lbuild-bridge.sh $PUBLIC_BRIDGE
- IP=$(gethostbyname $GUEST_HOSTNAME)
+ GUEST_IP=$(gethostbyname $GUEST_HOSTNAME)
# use same NETMASK as bridge interface br0
- MASKLEN=$(ip addr show $PUBLIC_BRIDGE | grep -v inet6 | grep inet | awk '{print $2;}' | cut -d/ -f2)
- NETMASK=$(masklen_to_netmask $MASKLEN)
- GATEWAY=$(ip route show | grep default | awk '{print $3}')
- VIF_HOST="i$(echo $GUEST_HOSTNAME | cut -d. -f1)"
+ masklen=$(ip addr show $PUBLIC_BRIDGE | grep -v inet6 | grep inet | awk '{print $2;}' | cut -d/ -f2)
+ NETMASK=$(masklen_to_netmask $masklen)
+ GATEWAY=$(ip route show | grep default | awk '{print $3}' | head -1)
+ VIF_HOST="vif$(echo $GUEST_HOSTNAME | cut -d. -f1)"
fi
- echo "the IP address of container $lxc is $IP, host virtual interface is $VIF_HOST"
-
- path=/vservers
- [ ! -d $path ] && mkdir $path
- rootfs_path=$path/$lxc/rootfs
- config_path=$path/$lxc
- cache_base=/var/cache/lxc/fedora/$arch
- cache=$cache_base/$release
- root_password=root
-
- # check whether the rootfs directory is created to know if the container exists
- # bacause /var/lib/lxc/$lxc is already created while putting $lxc.timestamp
- [ -d $rootfs_path ] && \
- { echo "container $lxc already exists in filesystem - exiting" ; exit 1 ; }
- virsh -c lxc:/// domuuid $lxc >& /dev/null && \
- { echo "container $lxc already exists in libvirt - exiting" ; exit 1 ; }
-
setup_lxc $lxc $fcdistro $pldistro $personality
devel_or_vtest_tools $lxc $fcdistro $pldistro $personality
+ # container gets started here
post_install $lxc $personality
echo $COMMAND Done
+
+ exit 0
}
main "$@"
git://git.onelab.eu / build.git / blobdiff