DIRNAME=$(dirname $0)
BUILD_DIR=$(pwd)
-# pkgs parsing utilities
+# 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
DEFAULT_FCDISTRO=f20
DEFAULT_PLDISTRO=lxc
DEFAULT_PERSONALITY=linux64
+DEFAULT_MEMORY=512
##########
# constant
FEDORA_PREINSTALLED="yum initscripts passwd rsyslog vim-minimal dhclient chkconfig rootfiles policycoreutils openssh-server openssh-clients"
DEBIAN_PREINSTALLED="openssh-server openssh-client"
-##############################
-## 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("veth")==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
-}
-
-########## 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 "========== $COMMAND: exiting create_bridge - end"
-
- # for safety
- sleep 3
- return 0
-
-}
-
##############################
# return yum or debootstrap
function package_method () {
count=$(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 "$group" ; }
-}
-
##############################
function fedora_install() {
set -x
set -e
cache=/var/cache/lxc/fedora/$arch/$release
+ mkdir -p $cache
- mkdir -p /var/lock/subsys/
(
- flock -n -x 200 || { echo "Cache repository is busy." ; return 1 ; }
+ flock --exclusive --timeout 60 200 || { echo "Cache repository is busy." ; return 1 ; }
if [ ! -e "$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 $lxc_root ... "
+ 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
esac
# Enable cgroup -- xxx -- is this really useful ?
- mkdir $lxc_root/cgroup
+ [ -d $lxc_root/cgroup ] || mkdir $lxc_root/cgroup
# set up resolv.conf
cp /etc/resolv.conf $lxc_root/etc/resolv.conf
cat <<EOF
<domain type='lxc'>
<name>$lxc</name>
- <memory>524288</memory>
+ <memory>$MEMORY</memory>
<os>
<type arch='$arch2'>exe</type>
<init>/sbin/init</init>
cat <<EOF
<domain type='lxc'>
<name>$lxc</name>
- <memory>524288</memory>
+ <memory>$MEMORY</memory>
<os>
<type arch='$arch2'>exe</type>
<init>/sbin/init</init>
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 " -v be verbose"
exit 1
}
exit 1
fi
- while getopts "n:f:d:p:r:P:i:v" opt ; do
+ while getopts "n:f:d:p:r:P:i:m:v" opt ; do
case $opt in
n) GUEST_HOSTNAME=$OPTARG;;
f) fcdistro=$OPTARG;;
r) REPO_URL=$OPTARG;;
P) PREINSTALLED=$OPTARG;;
i) IMAGE=$OPTARG;;
+ m) MEMORY=$OPTARG;;
v) VERBOSE=true; set -x;;
*) usage ;;
esac
[ -z "$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 [ -z "$PREINSTALLED" ] ; then
if [ -n "$BUILD_MODE" ] ; then
PREINSTALLED=devel.pkgs
else
# (build mode relies entirely on dhcp on the private subnet)
if [ -z "$BUILD_MODE" ] ; then
- create_bridge_if_needed
+ #create_bridge_if_needed $PUBLIC_BRIDGE
+ lbuild-bridge.sh $PUBLIC_BRIDGE
GUEST_IP=$(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 $MASKLEN)
+ masklen=$(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 $3}' | head -1)
- VIF_HOST="i$(echo $GUEST_HOSTNAME | cut -d. -f1)"
+ VIF_HOST="vif$(echo $GUEST_HOSTNAME | cut -d. -f1)"
fi
setup_lxc $lxc $fcdistro $pldistro $personality
git://git.onelab.eu / build.git / blobdiff