From bef9c750c91346bc70ac6899f1e15e451add60ea Mon Sep 17 00:00:00 2001 From: Guido Trotter <ultrotter@google.com> Date: Wed, 10 Jun 2009 16:28:36 +0100 Subject: [PATCH] KVM: NIC parameters Signed-off-by: Guido Trotter <ultrotter@google.com> Reviewed-by: Iustin Pop <iustin@google.com> --- lib/hypervisor/hv_kvm.py | 19 +++++++++++++++---- 1 file changed, 15 insertions(+), 4 deletions(-) diff --git a/lib/hypervisor/hv_kvm.py b/lib/hypervisor/hv_kvm.py index e2114751a..56925bca7 100644 --- a/lib/hypervisor/hv_kvm.py +++ b/lib/hypervisor/hv_kvm.py @@ -150,17 +150,28 @@ class KVMHypervisor(hv_base.BaseHypervisor): script.write("# this is autogenerated by Ganeti, please do not edit\n#\n") script.write("export INSTANCE=%s\n" % instance.name) script.write("export MAC=%s\n" % nic.mac) - script.write("export IP=%s\n" % nic.ip) - script.write("export BRIDGE=%s\n" % nic.bridge) + if nic.ip: + script.write("export IP=%s\n" % nic.ip) + script.write("export MODE=%s\n" % nic.nicparams[constants.NIC_MODE]) + if nic.nicparams[constants.NIC_LINK]: + script.write("export LINK=%s\n" % nic.nicparams[constants.NIC_LINK]) + if nic.nicparams[constants.NIC_MODE] == constants.NIC_MODE_BRIDGED: + script.write("export BRIDGE=%s\n" % nic.nicparams[constants.NIC_LINK]) script.write("export INTERFACE=$1\n") # TODO: make this configurable at ./configure time script.write("if [ -x '%s' ]; then\n" % self._KVM_NETWORK_SCRIPT) script.write(" # Execute the user-specific vif file\n") script.write(" %s\n" % self._KVM_NETWORK_SCRIPT) script.write("else\n") - script.write(" # Connect the interface to the bridge\n") script.write(" /sbin/ifconfig $INTERFACE 0.0.0.0 up\n") - script.write(" /usr/sbin/brctl addif $BRIDGE $INTERFACE\n") + if nic.nicparams[constants.NIC_MODE] == constants.NIC_MODE_BRIDGED: + script.write(" # Connect the interface to the bridge\n") + script.write(" /usr/sbin/brctl addif $BRIDGE $INTERFACE\n") + elif nic.nicparams[constants.NIC_MODE] == constants.NIC_MODE_ROUTED: + script.write(" # Route traffic targeted at the IP to the interface\n") + script.write(" /sbin/ip route add $IP/32 dev $INTERFACE\n") + interface_proxy_arp = "/proc/sys/net/ipv4/conf/$INTERFACE/proxy_arp" + script.write(" /bin/echo 1 > %s\n" % interface_proxy_arp) script.write("fi\n\n") # As much as we'd like to put this in our _ROOT_DIR, that will happen to be # mounted noexec sometimes, so we'll have to find another place. -- GitLab