Looks like some corner case needs to be handled, investigating further.
** Changed in: neutron
Status: Invalid => In Progress
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https://bugs.launchpad.net/bugs/1443421
Title:
After VM migration, tunnels not getting removed with L2Pop ON, when
using multiple api_workers in controller
Status in neutron:
In Progress
Status in openstack-ansible:
Confirmed
Status in openstack-ansible liberty series:
Confirmed
Status in openstack-ansible trunk series:
Confirmed
Bug description:
Setup : Neutron server HA (3 nodes).
Hypervisor – ESX with OVsvapp
l2 POP is on Network node and off on Ovsvapp.
Condition:
Make L2 pop on OVs agent, api workers =10 in the controller.
On network node,the VXLAN tunnel is created with ESX2 and the Tunnel
with ESX1 is not removed after migrating VM from ESX1 to ESX2.
Attaching the logs of servers and agent logs.
stack@OSC-NS1:/opt/stack/logs/screen$ sudo ovs-vsctl show
662d03fb-c784-498e-927c-410aa6788455
Bridge br-ex
Port phy-br-ex
Interface phy-br-ex
type: patch
options: {peer=int-br-ex}
Port "eth2"
Interface "eth2"
Port br-ex
Interface br-ex
type: internal
Bridge br-tun
Port patch-int
Interface patch-int
type: patch
options: {peer=patch-tun}
Port "vxlan-6447007a"
Interface "vxlan-6447007a"
type: vxlan
options: {df_default="true", in_key=flow,
local_ip="100.71.0.41", out_key=flow, remote_ip="100.71.0.122"} <<<<<<<<<<<<
This should have been deleted after MIGRATION.
Port "vxlan-64470082"
Interface "vxlan-64470082"
type: vxlan
options: {df_default="true", in_key=flow,
local_ip="100.71.0.41", out_key=flow, remote_ip="100.71.0.130"}
Port br-tun
Interface br-tun
type: internal
Port "vxlan-6447002a"
Interface "vxlan-6447002a"
type: vxlan
options: {df_default="true", in_key=flow,
local_ip="100.71.0.41", out_key=flow, remote_ip="100.71.0.42"}
Bridge "br-eth1"
Port "br-eth1"
Interface "br-eth1"
type: internal
Port "phy-br-eth1"
Interface "phy-br-eth1"
type: patch
options: {peer="int-br-eth1"}
Bridge br-int
fail_mode: secure
Port patch-tun
Interface patch-tun
type: patch
options: {peer=patch-int}
Port "int-br-eth1"
Interface "int-br-eth1"
type: patch
options: {peer="phy-br-eth1"}
Port br-int
Interface br-int
type: internal
Port int-br-ex
Interface int-br-ex
type: patch
options: {peer=phy-br-ex}
Port "tap9515e5b3-ec"
tag: 11
Interface "tap9515e5b3-ec"
type: internal
ovs_version: "2.0.2"
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