ovs vtep 源码Tunnel_Ip

Tunnel_Ip

def setup():
    br_list = ovs_vsctl("list-br").split()
    if (ps_name not in br_list):
        ovs.util.ovs_fatal(0, "couldn't find OVS bridge %s" % ps_name, vlog)

    global ps_type
    ps_type = ovs_vsctl("get Bridge %s datapath_type" % ps_name).strip('"')

    call_prog("vtep-ctl", ["set", "physical_switch", ps_name,
                           'description="OVS VTEP Emulator"'])

    tunnel_ips = vtep_ctl("get physical_switch %s tunnel_ips"
                          % ps_name).strip('[]"').split(", ")
    if len(tunnel_ips) != 1 or not tunnel_ips[0]:
        ovs.util.ovs_fatal(0, "exactly one 'tunnel_ips' should be set", vlog)

    global Tunnel_Ip
    Tunnel_Ip = tunnel_ips[0]

[root@kunpeng82 scripts]# vtep-ctl get physical_switch br0 tunnel_ips
["192.168.16.81"]
[root@kunpeng82 scripts]# 

class Logical_Switch(object):
  

    def setup_ls(self):

        if ps_type:
            ovs_vsctl("--may-exist add-br %s -- set Bridge %s datapath_type=%s"
                      % (self.short_name, self.short_name, ps_type))
        else:
            ovs_vsctl("--may-exist add-br %s" % self.short_name)

        ovs_vsctl("br-set-external-id %s vtep_logical_switch true"
                  % self.short_name)
        ovs_vsctl("br-set-external-id %s logical_switch_name %s"
                  % (self.short_name, self.name))

        vtep_ctl("clear-local-macs %s" % self.name)
        vtep_ctl("add-mcast-local %s unknown-dst %s" % (self.name, Tunnel_Ip))
         每个loggis swtich 的多播
        ovs_ofctl("del-flows %s" % self.short_name)
        ovs_ofctl("add-flow %s priority=0,action=drop" % self.short_name)

[root@kunpeng82 scripts]# vtep-ctl list-local-macs ls2
ucast-mac-local

mcast-mac-local
  unknown-dst -> vxlan_over_ipv4/192.168.16.81

[root@kunpeng82 scripts]# vtep-ctl list-local-macs ls0
ucast-mac-local

mcast-mac-local
  unknown-dst -> vxlan_over_ipv4/192.168.16.81

[root@kunpeng82 scripts]#