-----Original Message-----
From: Rui Zang [mailto:rui.z...@foxmail.com]
Sent: Thursday, August 18, 2016 9:23 AM
To: OpenStack Development Mailing List (not for usage questions)
Cc: Vishal Thapar; Nikolas Hermanns; Michal Skalski; neutron-
d...@lists.opendaylight.org
Subject: Re: [openstack-dev] [Neutron][networking-odl] New error Mitaka
together with ODL-Beryllium
Hi Nikolas,
First of all, neutron-...@lists.opendaylight.org (copied) might be a better
place to ask networking-odl questions.
It seems that the external network you described is not managed by
OpenDaylight, so it failed port binding.
You probably want to configure multiple mechanism drivers, say if
physnet1 is connected by ovs br-xxx on node-3.domain.tld, you could run
ovs agent on that host and configure bridge_mappings correctly. The
openvswitch mechanism driver would succeed the port binding.
Thanks,
Zang, Rui
On 8/17/2016 7:38 PM, Nikolas Hermanns wrote:
Hey Networking-ODL folks,
I just setup a Mirantis 9.0 release together with Opendaylight Beryllium.
Using networking-odl v2 I see constantly the error:
2016-08-17 11:28:07.927 4040 ERROR neutron.plugins.ml2.managers
[req-7e834676-81b4-479b-ad45-fa39f0fabed3 - - - - -] Failed to bind
port faeaa465-6f08-4097-b173-48636cc71539 on host node-3.domain.tld
for vnic_type normal using segments [{'segmentation_id': None,
'physical_network': u'physnet1', 'id':
u'58d9518c-5664-4099-bcd1-b7818bea853b', 'network_type': u'flat'}]
2016-08-17 11:28:07.937 4040 ERROR
networking_odl.ml2.network_topology [req-7e834676-81b4-479b-ad45-
fa39f0fabed3 - - - - -] Network topology element has failed binding port:
2016-08-17 11:28:07.937 4040 ERROR
networking_odl.ml2.network_topology Traceback (most recent call last):
2016-08-17 11:28:07.937 4040 ERROR
networking_odl.ml2.network_topology File "/usr/local/lib/python2.7/dist-
packages/networking_odl/ml2/network_topology.py", line 117, in bind_port
2016-08-17 11:28:07.937 4040 ERROR
networking_odl.ml2.network_topology port_context, vif_type,
self._vif_details)
2016-08-17 11:28:07.937 4040 ERROR
networking_odl.ml2.network_topology File "/usr/local/lib/python2.7/dist-
packages/networking_odl/ml2/ovsdb_topology.py", line 172, in bind_port
2016-08-17 11:28:07.937 4040 ERROR
networking_odl.ml2.network_topology raise ValueError('Unable to find
any valid segment in given context.')
2016-08-17 11:28:07.937 4040 ERROR
networking_odl.ml2.network_topology ValueError: Unable to find any valid
segment in given context.
2016-08-17 11:28:07.937 4040 ERROR
networking_odl.ml2.network_topology
2016-08-17 11:28:07.938 4040 ERROR
networking_odl.ml2.network_topology [req-7e834676-81b4-479b-ad45-
fa39f0fabed3 - - - - -] Unable to bind port element for given host and valid VIF
types:
2016-08-17 11:28:07.939 4040 ERROR neutron.plugins.ml2.managers
[req-7e834676-81b4-479b-ad45-fa39f0fabed3 - - - - -] Failed to bind
port faeaa465-6f08-4097-b173-48636cc71539 on host node-3.domain.tld
for vnic_type normal using segments [{'segmentation_id': None,
'physical_network': u'physnet1', 'id':
u'58d9518c-5664-4099-bcd1-b7818bea853b', 'network_type': u'flat'}]
Looking at the code I saw that you can only bind ports which have a valid
segmentation:
/usr/local/lib/python2.7/dist-
packages/networking_odl/ml2/ovsdb_topology.py(151)bind_port()
def bind_port(self, port_context, vif_type, vif_details):
port_context_id = port_context.current['id']
network_context_id = port_context.network.current['id']
# Bind port to the first valid segment
for segment in port_context.segments_to_bind:
if self._is_valid_segment(segment): <-------
# Guest best VIF type for given host
vif_details = self._get_vif_details(
vif_details=vif_details, port_context_id=port_context_id,
vif_type=vif_type)
LOG.debug(
'Bind port with valid segment:\n'
'\tport: %(port)r\n'
'\tnetwork: %(network)r\n'
'\tsegment: %(segment)r\n'
'\tVIF type: %(vif_type)r\n'
'\tVIF details: %(vif_details)r',
{'port': port_context_id,
'network': network_context_id,
'segment': segment, 'vif_type': vif_type,
'vif_details': vif_details})
port_context.set_binding(
segment[driver_api.ID], vif_type, vif_details,
status=n_const.PORT_STATUS_ACTIVE)
return
raise ValueError('Unable to find any valid segment in given
context.')
A valid segmentation is defined by:
[constants.TYPE_LOCAL, constants.TYPE_GRE, constants.TYPE_VXLAN,
constants.TYPE_VLAN]
The port which I try to bind here is a port on an external network which is
flat since we do not have segmentation for external network. Any idea why it
is changed that I can bind this port?
BR Nikolas
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