Open Stack

No OVS here. Thanks though! This one has me stumped!

From: Chris Sarginson [mailto:csargiso at gmail.com]
Sent: Tuesday, May 2, 2017 5:24 PM
To: Steve Powell <spowell at silotechgroup.com>; openstack-operators at lists.openstack.org
Subject: Re: [Openstack-operators] Neutron Issues

If you're using openvswitch, with Newton there was a change to the default agent for configuring openvswitch to be the python ryu library, I think it's been mentioned on here recently, so probably worth having a poke through the archives for more information.  I'd check your neutron openvswitch agent logs for errors pertaining to openflow configuration specifically, and if you see anything, it's probably worth applying the following config to your ml2 ini file under the [OVS] section:

of_interface = ovs-ofctl

https://docs.openstack.org/mitaka/config-reference/networking/networking_options_reference.html

Then restart the neutron openvswitch agent, watch the logs, hopefully this is of some use to you.

On Tue, 2 May 2017 at 21:30 Steve Powell <spowell at silotechgroup.com<mailto:spowell at silotechgroup.com>> wrote:
I forgot to mention I’m running Newton and my neutron.conf file is below and I’m running haproxy.

    [DEFAULT]
    core_plugin = ml2
    service_plugins = router
    allow_overlapping_ips = True
    notify_nova_on_port_status_changes = True
    notify_nova_on_port_data_changes = True
    transport_url = rabbit://openstack:#############@x.x.x.x
    auth_strategy = keystone

    [agent]
    root_helper = sudo /usr/bin/neutron-rootwrap /etc/neutron/rootwrap.conf

    [cors]

    [cors.subdomain]

    [database]
    connection = mysql+pymysql://neutron:###########################@10.10.6.220/neutron<http://10.10.6.220/neutron>

    [keystone_authtoken]
    auth_url = http://x.x.x.x:35357/v3
    auth_uri = https://xxx.xxxx.xxx:5000/v3
    memcached_servers = x.x.x.x:11211
    auth_type = password
    project_domain_name = Default
    user_domain_name = Default
    project_name = service
    username = neutron
    password = ##################################################


    [matchmaker_redis]

    [nova]

    auth_url = http://x.x.x.x:35357/v3
    auth_type = password
    project_domain_name = Default
    user_domain_name = Default
    region_name = RegionOne
    project_name = service
    username = nova
    password = ###################################################

    [oslo_concurrency]

    [oslo_messaging_amqp]

    [oslo_messaging_notifications]

    [oslo_messaging_rabbit]

    [oslo_messaging_zmq]

    [oslo_middleware]
    enable_proxy_headers_parsing = True
    enable_http_proxy_to_wsgi = True

    [oslo_policy]

    [qos]

    [quotas]

    [ssl]

From: Steve Powell [mailto:spowell at silotechgroup.com<mailto:spowell at silotechgroup.com>]
Sent: Tuesday, May 2, 2017 4:16 PM
To: openstack-operators at lists.openstack.org<mailto:openstack-operators at lists.openstack.org>
Subject: [Openstack-operators] Neutron Issues


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Hello Ops!

I have a major issue slapping me in the face and seek any assistance possible. When trying to spin up and instance whether from the command line, manually in Horizon, or with a HEAT template I receive the following error in nova and, where applicable, heat logs:

Failed to allocate the network(s), not rescheduling.

I see in the neutron logs where the request make it through to completion but that info is obviously not making it back to nova.

INFO neutron.notifiers.nova [-] Nova event response: {u'status': u'completed', u'code': 200, u'name': u'network-changed', u'server_uuid': u'6892bb9e-4256-4fc9-a313-331f0c576a03'}

What am I missing? Why would the response from neutron not make it back to nova?



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