br-int (br-vlan and br-tun - depending on what modes you are using as well) should get created automatically by opensvswitch-agent on startup. br-ext you should create manually via your os's init scripts. ____________________________________________
Kris Lindgren Senior Linux Systems Engineer GoDaddy, LLC. From: pra devOPS <[email protected]<mailto:[email protected]>> Date: Thursday, June 18, 2015 at 3:35 PM To: "[email protected]<mailto:[email protected]>" <[email protected]<mailto:[email protected]>> Subject: Re: [Openstack-operators] Could not get IP to instance through neutron Observed one more thing that even if I dont have any bridges configured , If I restart the openstack I see br-int gets created. Thanks, Dev On Tue, Jun 16, 2015 at 4:08 PM, pra devOPS <[email protected]<mailto:[email protected]>> wrote: All: I have installed and configured neutron (using the official docs, my openstack version is icehouse and the OS is centOS7. After creating the neutron network and started the instance the instance goes to the ERROR state and says "no Valid host found" /var/log/neutron/openvswitch-agent.log Shows below: Command: ['sudo', 'neutron-rootwrap', '/etc/neutron/rootwrap.conf', 'ovs-ofctl', 'dump-flows', 'br-int', 'table=22'] Exit code: 1 Stdout: '' Stderr: 'ovs-ofctl: br-int is not a bridge or a socket\n' 2015-06-16 15:03:11.458 14566 ERROR neutron.agent.linux.ovs_lib [-] Unable to execute ['ovs-ofctl', 'dump-flows', 'br-int', 'table=22']. Exception: Command: ['sudo', 'neutron-rootwrap', '/etc/neutron/rootwrap.conf', 'ovs-ofctl', 'dump-flows', 'br-int', 'table=22'] Exit code: 1 Stdout: '' Stderr: 'ovs-ofctl: br-int is not a bridge or a socket\n' 2015-06-16 15:21:00.204 14566 INFO neutron.agent.securitygroups_rpc [-] Preparing filters for devices set([u'gw-cea73d4a-1c']) 2015-06-16 15:21:00.487 14566 WARNING neutron.plugins.openvswitch.agent.ovs_neutron_agent [-] Device gw-cea73d4a-1c not defined on plugin The Nova Compute log shows below: REQ: curl -i http://10.0.0.125:35357/v2.0/tokens -X POST -H "Content-Type: application/json" -H "Accept: application/json" -H "User-Agent: python-neutronclient" -d '{"auth": {"tenantName": "service", "passwordCredentials": {"username": "neutron", "password": "REDACTED"}}}' http_log_req /usr/lib/python2.7/site-packages/neutronclient/common/utils.py:173 2015-06-16 16:08:22.313 23468 DEBUG neutronclient.client [-] RESP:{'status': '401', 'content-length': '114', 'vary': 'X-Auth-Token', 'date': 'Tue, 16 Jun 2015 23:08:22 GMT', 'content-type': 'application/json', 'www-authenticate': 'Keystone uri="http://10.10.202.125:35357";'} {"error": {"message": "The request you have made requires authentication.", "code": 401, "title": "Unauthorized"}} http_log_resp /usr/lib/python2.7/site-packages/neutronclient/common/utils.py:179 2015-06-16 16:08:22.314 23468 ERROR nova.compute.manager [-] [instance: 9667a1d6-9883-429d-8b85-6f0ad0a8d887] An error occurred while refreshing the network cache. 2015-06-16 16:08:22.314 23468 TRACE nova.compute.manager [instance: 9667a1d6-9883-429d-8b85-6f0ad0a8d887] Traceback (most recent call last): 2015-06-16 16:08:22.314 23468 TRACE nova.compute.manager [instance: 9667a1d6-9883-429d-8b85-6f0ad0a8d887] File "/usr/lib/python2.7/site-packages/nova/compute/manager.py", line 4938, in _heal_instance_info_cache 2015-06-16 16:08:22.314 23468 TRACE nova.compute.manager [instance: 9667a1d6-9883-429d-8b85-6f0ad0a8d887] self._get_instance_nw_info(context, instance, use_slave=True) 2015-06-16 16:08:22.314 23468 TRACE nova.compute.manager [instance: 9667a1d6-9883-429d-8b85-6f0ad0a8d887] File "/usr/lib/python2.7/site-packages/nova/compute/manager.py", line 1163, in _get_instance_nw_info 2015-06-16 16:08:22.314 23468 TRACE nova.compute.manager [instance: 9667a1d6-9883-429d-8b85-6f0ad0a8d887] instance) 2015-06-16 16:08:22.314 23468 TRACE nova.compute.manager [instance: 9667a1d6-9883-429d-8b85-6f0ad0a8d887] File "/usr/lib/python2.7/site-packages/nova/network/neutronv2/api.py", line 482, in get_instance_nw_info 2015-06-16 16:08:22.314 23468 TRACE nova.compute.manager [instance: 9667a1d6-9883-429d-8b85-6f0ad0a8d887] port_ids) 2015-06-16 16:08:22.314 23468 TRACE nova.compute.manager [instance: 9667a1d6-9883-429d-8b85-6f0ad0a8d887] File "/usr/lib/python2.7/site-packages/nova/network/neutronv2/api.py", line 496, in _get_instance_nw_info 2015-06-16 16:08:22.314 23468 TRACE nova.compute.manager [instance: 9667a1d6-9883-429d-8b85-6f0ad0a8d887] port_ids) 2015-06-16 16:08:22.314 23468 TRACE nova.compute.manager [instance: 9667a1d6-9883-429d-8b85-6f0ad0a8d887] File "/usr/lib/python2.7/site-packages/nova/network/neutronv2/api.py", line 1137, in _build_network_info_model 2015-06-16 16:08:22.314 23468 TRACE nova.compute.manager [instance: 9667a1d6-9883-429d-8b85-6f0ad0a8d887] data = client.list_ports(**search_opts) 2015-06-16 16:08:22.314 23468 TRACE nova.compute.manager [instance: 9667a1d6-9883-429d-8b85-6f0ad0a8d887] File "/usr/lib/python2.7/site-packages/nova/network/neutronv2/__init__.py", line 81, in wrapper 2015-06-16 16:08:22.314 23468 TRACE nova.compute.manager [instance: 9667a1d6-9883-429d-8b85-6f0ad0a8d887] ret = obj(*args, **kwargs) Below are my setting: == Nova networks == +--------------------------------------+------------+------+ | ID | Label | Cidr | +--------------------------------------+------------+------+ | 7d554063-8b7e-40a9-af02-738ca2b480a4 | net-ext | - | | f14cecdf-95de-424a-871e-f278e61a008b | Int-Subnet | - | +--------------------------------------+------------+------+ == Nova instance flavors == +----+-----------+-----------+------+-----------+------+-------+-------------+-----------+ | ID | Name | Memory_MB | Disk | Ephemeral | Swap | VCPUs | RXTX_Factor | Is_Public | +----+-----------+-----------+------+-----------+------+-------+-------------+-----------+ | 1 | m1.tiny | 512 | 1 | 0 | | 1 | 1.0 | True | | 2 | m1.small | 2048 | 20 | 0 | | 1 | 1.0 | True | | 3 | m1.medium | 4096 | 40 | 0 | | 2 | 1.0 | True | | 4 | m1.large | 8192 | 80 | 0 | | 4 | 1.0 | True | | 5 | m1.xlarge | 16384 | 160 | 0 | | 8 | 1.0 | True | +----+-----------+-----------+------+-----------+------+-------+-------------+-----------+ == Nova instances == +--------------------------------------+-------+--------+------------+-------------+----------+ | ID | Name | Status | Task State | Power State | Networks | +--------------------------------------+-------+--------+------------+-------------+----------+ | 9667a1d6-9883-429d-8b85-6f0ad0a8d887 | myins | ERROR | - | NOSTATE | | +--------------------------------------+-------+--------+------------+-------------+----------+ [root@camsos01 ~]# neutron net-list +--------------------------------------+------------+-------------------------------------------------------+ | id | name | subnets | +--------------------------------------+------------+-------------------------------------------------------+ | 7d554063-8b7e-40a9-af02-738ca2b480a4 | net-ext | 6e030036-dbb2-4122-90fe-ef2984557648 10.0.0.128/29<http://10.0.0.128/29> | | f14cecdf-95de-424a-871e-f278e61a008b | Int-Subnet | 146387bd-e042-41f4-a134-5d6a93935b63 10.0.1.0/24<http://10.0.1.0/24> | +--------------------------------------+------------+-------------------------------------------------------+ [root@test01 ~]# ovs-vsctl show 89744d4a-f9e5-4fe1-b35e-81af9aaa0bac Bridge br-ext Port br-ext Interface br-ext type: internal Port "vlan410" Interface "vlan410" Bridge br-int fail_mode: secure Port br-int Interface br-int type: internal Port "gw-cea73d4a-1c" tag: 4095 Interface "gw-cea73d4a-1c" type: internal ovs_version: "2.1.3" [root@test01 ~]#ifconfig gw-cea73d4a-1c: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500 inet 10.0.0.133 netmask 255.255.255.252 broadcast 10.10.202.135 inet6 fe80::f816:3eff:feb1:8c41 prefixlen 64 scopeid 0x20<link> ether fa:16:3e:b1:8c:41 txqueuelen 0 (Ethernet) RX packets 0 bytes 0 (0.0 B) RX errors 0 dropped 0 overruns 0 frame 0 TX packets 29 bytes 4093 (3.9 KiB) TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0 vlan410: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500 inet 10.0.0.125 netmask 255.255.255.0 broadcast 10.10.202.255 inet6 fe80::82c1:6eff:fe24:9e6e prefixlen 64 scopeid 0x20<link> ether 40:a1:6e:b4:8e:ze txqueuelen 0 (Ethernet) RX packets 1007 bytes 133092 (129.9 KiB) RX errors 0 dropped 0 overruns 0 frame 0 TX packets 927 bytes 291403 (284.5 KiB) TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0 Can somebody suggest me whats wrong? Thanks, Dev
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