Public bug reported:
I tried to execute following config/procedure, as a result,
OVSFWPortNotFound occurred when deleting VM instance. It affects l2
agent extension behavior.
[Conditions]
* master branch of devstack and neutron
* /etc/neutron/plugins/ml2/ml2_conf.ini
mechanism_drivers = openvswtich,linuxbridge
...
[security_groups]
firewall_driver = openvswitch
[How to reproduce]
1. source ~/devstack/openrc demo demo
2. openstack server create --flavor c1 --image cirros-0.3.5-x86_64-disk --nic
net-id='3793bece-1cc0-457c-a90f-6cc64a96831c' test
3. openstack server create --flavor c1 --image cirros-0.3.5-x86_64-disk --nic
net-id='3793bece-1cc0-457c-a90f-6cc64a96831c' test2
4. openstack server delete test
[/opt/stack/logs/q-agt.log]
neutron.plugins.ml2.drivers.openvswitch.agent.ovs_neutron_agent Traceback (most
recent call last):
neutron.plugins.ml2.drivers.openvswitch.agent.ovs_neutron_agent File
"/opt/stack/neutron/neutron/plugins/ml2/drivers/openvswitch/agent/ovs_neutron_agent.py",
line 2048, in rpc_loop
neutron.plugins.ml2.drivers.openvswitch.agent.ovs_neutron_agent port_info,
ovs_restarted)
neutron.plugins.ml2.drivers.openvswitch.agent.ovs_neutron_agent File
"/usr/local/lib/python2.7/dist-packages/osprofiler/profiler.py", line 153, in
wrapper
neutron.plugins.ml2.drivers.openvswitch.agent.ovs_neutron_agent return
f(*args, **kwargs)
neutron.plugins.ml2.drivers.openvswitch.agent.ovs_neutron_agent File
"/opt/stack/neutron/neutron/plugins/ml2/drivers/openvswitch/agent/ovs_neutron_agent.py",
line 1650, in process_network_ports
neutron.plugins.ml2.drivers.openvswitch.agent.ovs_neutron_agent
port_info.get('updated', set()))
neutron.plugins.ml2.drivers.openvswitch.agent.ovs_neutron_agent File
"/opt/stack/neutron/neutron/agent/securitygroups_rpc.py", line 278, in
setup_port_filters
neutron.plugins.ml2.drivers.openvswitch.agent.ovs_neutron_agent
self.refresh_firewall(updated_devices)
neutron.plugins.ml2.drivers.openvswitch.agent.ovs_neutron_agent File
"/opt/stack/neutron/neutron/agent/securitygroups_rpc.py", line 111, in
decorated_function
neutron.plugins.ml2.drivers.openvswitch.agent.ovs_neutron_agent *args,
**kwargs)
neutron.plugins.ml2.drivers.openvswitch.agent.ovs_neutron_agent File
"/opt/stack/neutron/neutron/agent/securitygroups_rpc.py", line 231, in
refresh_firewall
neutron.plugins.ml2.drivers.openvswitch.agent.ovs_neutron_agent
self._apply_port_filter(device_ids, update_filter=True)
neutron.plugins.ml2.drivers.openvswitch.agent.ovs_neutron_agent File
"/opt/stack/neutron/neutron/agent/securitygroups_rpc.py", line 146, in
_apply_port_filter
neutron.plugins.ml2.drivers.openvswitch.agent.ovs_neutron_agent
self.firewall.process_trusted_ports(trusted_devices)
neutron.plugins.ml2.drivers.openvswitch.agent.ovs_neutron_agent File
"/opt/stack/neutron/neutron/agent/linux/openvswitch_firewall/firewall.py", line
533, in process_trusted_ports
neutron.plugins.ml2.drivers.openvswitch.agent.ovs_neutron_agent
self._initialize_egress_no_port_security(port_id)
neutron.plugins.ml2.drivers.openvswitch.agent.ovs_neutron_agent File
"/opt/stack/neutron/neutron/agent/linux/openvswitch_firewall/firewall.py", line
607, in _initialize_egress_no_port_security
neutron.plugins.ml2.drivers.openvswitch.agent.ovs_neutron_agent ovs_port =
self.get_ovs_port(port_id)
neutron.plugins.ml2.drivers.openvswitch.agent.ovs_neutron_agent File
"/opt/stack/neutron/neutron/agent/linux/openvswitch_firewall/firewall.py", line
414, in get_ovs_port
neutron.plugins.ml2.drivers.openvswitch.agent.ovs_neutron_agent raise
exceptions.OVSFWPortNotFound(port_id=port_id)
neutron.plugins.ml2.drivers.openvswitch.agent.ovs_neutron_agent
OVSFWPortNotFound: Port fe6e71be-a506-4e1e-a832-e9c62356134a is not managed by
this agent.
neutron.plugins.ml2.drivers.openvswitch.agent.ovs_neutron_agent
[Affection to l2 agent extension behavior]
* Usual
delete_port() used to be called twice [1] and [2]
* Raised OVSFWPortNotFound
delete_port() is called only once from [1].
delete_port() from [2] isn't called because self.process_deleted_ports()[3]
isn't called due to
this exception before called this method.
[1]
https://github.com/openstack/neutron/blob/master/neutron/plugins/ml2/drivers/openvswitch/agent/ovs_neutron_agent.py#L1586
[2]
https://github.com/openstack/neutron/blob/master/neutron/plugins/ml2/drivers/openvswitch/agent/ovs_neutron_agent.py#L436
[3]
https://github.com/openstack/neutron/blob/master/neutron/plugins/ml2/drivers/openvswitch/agent/ovs_neutron_agent.py#L2031
** Affects: neutron
Importance: Undecided
Status: New
** Tags: ovs-fw
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https://bugs.launchpad.net/bugs/1707913
Title:
OVS driver - OVSFWPortNotFound when deleting VM port affects agent
extension framework
Status in neutron:
New
Bug description:
I tried to execute following config/procedure, as a result,
OVSFWPortNotFound occurred when deleting VM instance. It affects l2
agent extension behavior.
[Conditions]
* master branch of devstack and neutron
* /etc/neutron/plugins/ml2/ml2_conf.ini
mechanism_drivers = openvswtich,linuxbridge
...
[security_groups]
firewall_driver = openvswitch
[How to reproduce]
1. source ~/devstack/openrc demo demo
2. openstack server create --flavor c1 --image cirros-0.3.5-x86_64-disk --nic
net-id='3793bece-1cc0-457c-a90f-6cc64a96831c' test
3. openstack server create --flavor c1 --image cirros-0.3.5-x86_64-disk --nic
net-id='3793bece-1cc0-457c-a90f-6cc64a96831c' test2
4. openstack server delete test
[/opt/stack/logs/q-agt.log]
neutron.plugins.ml2.drivers.openvswitch.agent.ovs_neutron_agent Traceback
(most recent call last):
neutron.plugins.ml2.drivers.openvswitch.agent.ovs_neutron_agent File
"/opt/stack/neutron/neutron/plugins/ml2/drivers/openvswitch/agent/ovs_neutron_agent.py",
line 2048, in rpc_loop
neutron.plugins.ml2.drivers.openvswitch.agent.ovs_neutron_agent
port_info, ovs_restarted)
neutron.plugins.ml2.drivers.openvswitch.agent.ovs_neutron_agent File
"/usr/local/lib/python2.7/dist-packages/osprofiler/profiler.py", line 153, in
wrapper
neutron.plugins.ml2.drivers.openvswitch.agent.ovs_neutron_agent return
f(*args, **kwargs)
neutron.plugins.ml2.drivers.openvswitch.agent.ovs_neutron_agent File
"/opt/stack/neutron/neutron/plugins/ml2/drivers/openvswitch/agent/ovs_neutron_agent.py",
line 1650, in process_network_ports
neutron.plugins.ml2.drivers.openvswitch.agent.ovs_neutron_agent
port_info.get('updated', set()))
neutron.plugins.ml2.drivers.openvswitch.agent.ovs_neutron_agent File
"/opt/stack/neutron/neutron/agent/securitygroups_rpc.py", line 278, in
setup_port_filters
neutron.plugins.ml2.drivers.openvswitch.agent.ovs_neutron_agent
self.refresh_firewall(updated_devices)
neutron.plugins.ml2.drivers.openvswitch.agent.ovs_neutron_agent File
"/opt/stack/neutron/neutron/agent/securitygroups_rpc.py", line 111, in
decorated_function
neutron.plugins.ml2.drivers.openvswitch.agent.ovs_neutron_agent *args,
**kwargs)
neutron.plugins.ml2.drivers.openvswitch.agent.ovs_neutron_agent File
"/opt/stack/neutron/neutron/agent/securitygroups_rpc.py", line 231, in
refresh_firewall
neutron.plugins.ml2.drivers.openvswitch.agent.ovs_neutron_agent
self._apply_port_filter(device_ids, update_filter=True)
neutron.plugins.ml2.drivers.openvswitch.agent.ovs_neutron_agent File
"/opt/stack/neutron/neutron/agent/securitygroups_rpc.py", line 146, in
_apply_port_filter
neutron.plugins.ml2.drivers.openvswitch.agent.ovs_neutron_agent
self.firewall.process_trusted_ports(trusted_devices)
neutron.plugins.ml2.drivers.openvswitch.agent.ovs_neutron_agent File
"/opt/stack/neutron/neutron/agent/linux/openvswitch_firewall/firewall.py", line
533, in process_trusted_ports
neutron.plugins.ml2.drivers.openvswitch.agent.ovs_neutron_agent
self._initialize_egress_no_port_security(port_id)
neutron.plugins.ml2.drivers.openvswitch.agent.ovs_neutron_agent File
"/opt/stack/neutron/neutron/agent/linux/openvswitch_firewall/firewall.py", line
607, in _initialize_egress_no_port_security
neutron.plugins.ml2.drivers.openvswitch.agent.ovs_neutron_agent ovs_port
= self.get_ovs_port(port_id)
neutron.plugins.ml2.drivers.openvswitch.agent.ovs_neutron_agent File
"/opt/stack/neutron/neutron/agent/linux/openvswitch_firewall/firewall.py", line
414, in get_ovs_port
neutron.plugins.ml2.drivers.openvswitch.agent.ovs_neutron_agent raise
exceptions.OVSFWPortNotFound(port_id=port_id)
neutron.plugins.ml2.drivers.openvswitch.agent.ovs_neutron_agent
OVSFWPortNotFound: Port fe6e71be-a506-4e1e-a832-e9c62356134a is not managed by
this agent.
neutron.plugins.ml2.drivers.openvswitch.agent.ovs_neutron_agent
[Affection to l2 agent extension behavior]
* Usual
delete_port() used to be called twice [1] and [2]
* Raised OVSFWPortNotFound
delete_port() is called only once from [1].
delete_port() from [2] isn't called because self.process_deleted_ports()[3]
isn't called due to
this exception before called this method.
[1]
https://github.com/openstack/neutron/blob/master/neutron/plugins/ml2/drivers/openvswitch/agent/ovs_neutron_agent.py#L1586
[2]
https://github.com/openstack/neutron/blob/master/neutron/plugins/ml2/drivers/openvswitch/agent/ovs_neutron_agent.py#L436
[3]
https://github.com/openstack/neutron/blob/master/neutron/plugins/ml2/drivers/openvswitch/agent/ovs_neutron_agent.py#L2031
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