#
COMMAND=$(basename $0)
+cd $(dirname $0)
+
+# turn on verbosity
+set -x
# constant
INTERFACE_BRIDGE=br0
# Fonction de mise en place du pont
start () {
+ echo "========== $COMMAND: entering start - beg"
+ hostname
+ uname -a
+ ifconfig
+ echo "========== $COMMAND: entering start - end"
+
# take extra arg for ifname, if provided
[ -n "$1" ] && { INTERFACE_LAN=$1; shift ; }
#if we have already configured the same host_box no need to do it again
/sbin/ifconfig $INTERFACE_BRIDGE &> /dev/null && {
- echo "Interface bridge $INTERFACE_BRIDGE already exist."
+ echo "Bridge interface $INTERFACE_BRIDGE already set up - $COMMAND start exiting"
exit 0
}
/sbin/ifconfig $INTERFACE_LAN &>/dev/null || {
}
#Getting host IP/masklen
- address=$(/sbin/ip addr show $INTERFACE_LAN | grep -v inet6 | grep inet | awk '{print $2;}')
+ address=$(/sbin/ip addr show $INTERFACE_LAN | grep -v inet6 | grep inet | head --lines=1 | awk '{print $2;}')
[ -z "$address" ] && { echo "ERROR: Could not determine IP address for $INTERFACE_LAN" ; exit 1 ; }
- broadcast=$(/sbin/ip addr show $INTERFACE_LAN | grep -v inet6 | grep inet | awk '{print $4;}')
+ broadcast=$(/sbin/ip addr show $INTERFACE_LAN | grep -v inet6 | grep inet | head --lines=1 | awk '{print $4;}')
[ -z "$broadcast" ] && echo "WARNING: Could not determine broadcast address for $INTERFACE_LAN"
gateway=$(netstat -rn | grep '^0.0.0.0' | awk '{print $2;}')
#Restarting udev
echo "Starting udev ..."
/sbin/udevd restart
- if modprobe kqemu ; then
+ if modprobe kqemu &> /dev/null ; then
echo "kqemu loadded"
else
echo "WARNING : Could not modprobe kqemu"
fi
- #Loding the tun/tap model
+ #Loading the tun/tap model
if modprobe tun ; then
echo "tun loaded"
# Giving read/write access
fi
# creating the bridge
- echo "Creating bridge $INTERFACE_BRIDGE"
+ echo "Creating bridge INTERFACE_BRIDGE=$INTERFACE_BRIDGE"
brctl addbr $INTERFACE_BRIDGE
#brctl stp $INTERFACE_BRIDGE yes
brctl addif $INTERFACE_BRIDGE $INTERFACE_LAN
- echo "Activating promiscuous mode $INTERFACE_LAN..."
+ echo "Activating promiscuous mode INTERFACE_LAN=$INTERFACE_LAN"
/sbin/ifconfig $INTERFACE_LAN 0.0.0.0 promisc up
sleep 2
- echo "Setting bridge $address $broadcast"
+ echo "Setting bridge address=$address broadcast=$broadcast"
# static
/sbin/ifconfig $INTERFACE_BRIDGE $address broadcast $broadcast up
sleep 1
#Reconfigure the routing table
- echo "Configuring the IP Gateway @:" $gateway
+ echo "Configuring gateway=$gateway"
route add default gw $gateway
- # xxx this is *wrong*
- # wipe the host firewall otherwise the guest qemu can't access the LAN
- echo "Wiping the firewall..."
- iptables -F
-
+ echo "========== $COMMAND: exiting start - beg"
+ ifconfig
+ echo "========== $COMMAND: exiting start - end"
}
#Adding a new interface to the bridge: this is used by qemu-ifup
[[ -z "$@" ]] && { echo "Usage: $COMMAND add ifname" ; exit 1 ; }
INTERFACE_LAN=$1; shift
+ echo "========== $COMMAND: entering add - beg"
+ ifconfig
+ echo "========== $COMMAND: entering add - end"
+
echo "Activating link for $INTERFACE_LAN..."
/sbin/ip link set $INTERFACE_LAN up
sleep 1
- echo "Adding $INTERFACE_BRIDGE to $INTERFACE_BRIDGE"
+ echo "Adding $INTERFACE_LAN to $INTERFACE_BRIDGE"
brctl addif $INTERFACE_BRIDGE $INTERFACE_LAN
- # putting a virtual interface in promisc mode seems like an odd thing to do
- # echo "Activating promiscuous mode on $INTERFACE_LAN ..."
- # /sbin/ifconfig $INTERFACE_LAN 0.0.0.0 promisc up
- # sleep 1
- echo "Done."
+ # turn off filtering on this interface
+ ########## from the test environment
+ # expected vars are MACADDR, NODE_ISO, HOSTNAME, IP and TARGET_ARCH
+ CONFIG=qemu.conf
+ [ -f "$CONFIG" ] || { echo "Config file for qemu $CONFIG not found in $(pwd)" ; exit 1 ; }
+ . $CONFIG
+
+ echo "Tweaking iptables"
+ iptables-save > iptables.pre
+ # rewrite a new config - quick and dirty
+ ./iptables.py iptables.pre iptables.post $IP
+ iptables-restore < iptables.post
+
+ echo "========== $COMMAND: exiting add - beg"
+
+ ifconfig
+
+ echo "Installed iptables"
+ iptables-save
+
+ echo "========== $COMMAND: exiting add - end"
}
#Stop the bridge and restore the original setting
type -p brctl &> /dev/null || { echo "brctl not found, please install bridge-utils" ; exit 1 ; }
/sbin/ifconfig $INTERFACE_BRIDGE &> /dev/null || {
- echo "Interface bridge $INTERFACE_BRIDGE does not exist."
+ echo "Bridge interface $INTERFACE_BRIDGE does not exist - $COMMAND stop exiting"
exit 0
}
brctl delif $INTERFACE_BRIDGE $INTERFACE_LAN
/sbin/ifconfig $INTERFACE_BRIDGE down
brctl delbr $INTERFACE_BRIDGE
/sbin/service network restart
+ /sbin/service iptables restart
+}
+
+function main () {
+
+ case "$1" in
+ start)
+ shift; start "$@" ;;
+ stop)
+ shift; stop "$@" ;;
+ add)
+ shift; add "$@" ;;
+ *)
+ echo $"Usage: env-qemu {start|add|stop} [interface]" ; exit 1 ;;
+ esac
+ exit 0
}
-#
-case "$1" in
- start)
- shift; start "$@" ;;
- stop)
- shift; stop "$@" ;;
- add)
- shift; add "$@" ;;
- *)
- echo $"Usage: env-qemu {start|add|stop} [interface]" ; exit 1 ;;
-esac
-
-exit 0
+# redirect stderr as well
+main "$@" 2>&1
git://git.onelab.eu / tests.git / blobdiff