import yaml import netaddr import os import log as logging LOG = logging.getLogger("net-init-opencontrail") config_path = os.path.join(os.path.dirname(__file__), "network.cfg") def setup_bondings(bond_mappings): print bond_mappings def add_vlan_link(interface, ifname, vlan_id): LOG.info("add_vlan_link enter") cmd = "ip link add link %s name %s type vlan id %s; " % (ifname, interface, vlan_id) cmd += "ip link set %s up; ip link set %s up" % (interface, ifname) LOG.info("add_vlan_link: cmd=%s" % cmd) os.system(cmd) #def add_ovs_port(ovs_br, ifname, uplink, vlan_id=None): # LOG.info("add_ovs_port enter") # cmd = "ovs-vsctl --may-exist add-port %s %s" % (ovs_br, ifname) # if vlan_id: # cmd += " tag=%s" % vlan_id # cmd += " -- set Interface %s type=internal;" % ifname # cmd += "ip link set dev %s address `ip link show %s |awk '/link\/ether/{print $2}'`;" \ # % (ifname, uplink) # cmd += "ip link set %s up;" % ifname # LOG.info("add_ovs_port: cmd=%s" % cmd) # os.system(cmd) def setup_intfs(sys_intf_mappings, uplink_map): LOG.info("setup_intfs enter") for intf_name, intf_info in sys_intf_mappings.items(): if intf_info["type"] == "vlan": add_vlan_link(intf_name, intf_info["interface"], intf_info["vlan_tag"]) # elif intf_info["type"] == "ovs": # add_ovs_port( # intf_info["interface"], # intf_name, # uplink_map[intf_info["interface"]], # vlan_id=intf_info.get("vlan_tag")) else: pass def setup_ips(ip_settings, sys_intf_mappings): LOG.info("setup_ips enter") for intf_info in ip_settings.values(): network = netaddr.IPNetwork(intf_info["cidr"]) if sys_intf_mappings[intf_info["name"]]["type"] == "ovs": intf_name = intf_info["name"] else: intf_name = intf_info["alias"] if "gw" in intf_info: continue cmd = "ip addr add %s/%s brd %s dev %s;" \ % (intf_info["ip"], intf_info["netmask"], str(network.broadcast),intf_name) # if "gw" in intf_info: # cmd += "route del default;" # cmd += "ip route add default via %s dev %s" % (intf_info["gw"], intf_name) LOG.info("setup_ips: cmd=%s" % cmd) os.system(cmd) def setup_ips_new(config): LOG.info("setup_ips_new enter") network = netaddr.IPNetwork(config["ip_settings"]["br-prv"]["cidr"]) intf_name = config["provider_net_mappings"][0]["interface"] cmd = "ip addr add %s/%s brd %s dev %s;" \ % (config["ip_settings"]["br-prv"]["ip"], config["ip_settings"]["br-prv"]["netmask"], str(network.broadcast), intf_name) # cmd = "ip link set br-ex up;" # cmd += "ip addr add %s/%s brd %s dev %s;" \ # % (config["ip_settings"]["br-prv"]["ip"], config["ip_settings"]["br-prv"]["netmask"], str(network.broadcast), 'br-ex') cmd += "route del default;" cmd += "ip route add default via %s dev %s" % (config["ip_settings"]["br-prv"]["gw"], intf_name) # cmd += "ip route add default via %s dev %s" % (config["ip_settings"]["br-prv"]["gw"], 'br-ex') LOG.info("setup_ips_new: cmd=%s" % cmd) os.system(cmd) def setup_default_router(config): LOG.info("setup_ips_new enter") network = netaddr.IPNetwork(config["ip_settings"]["br-prv"]["cidr"]) intf_name = config["provider_net_mappings"][0]["interface"] cmd = "route del default;" cmd += "ip route add default via %s dev %s" % (config["ip_settings"]["br-prv"]["gw"], "vhost0") LOG.info("setup_default_router: cmd=%s" % cmd) os.system(cmd) def remove_ovs_kernel_mod(config): LOG.info("remove_ovs_kernel_mod enter") cmd = "rmmod vport_vxlan; rmmod openvswitch;" LOG.info("remove_ovs_kernel_mod: cmd=%s" % cmd) os.system(cmd) def main(config): uplink_map = {} setup_bondings(config["bond_mappings"]) remove_ovs_kernel_mod(config) for provider_net in config["provider_net_mappings"]: uplink_map[provider_net['name']] = provider_net['interface'] setup_intfs(config["sys_intf_mappings"], uplink_map) setup_ips(config["ip_settings"], config["sys_intf_mappings"]) # setup_ips_new(config) setup_default_router(config) if __name__ == "__main__": config = yaml.load(open(config_path)) main(config)