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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)
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