[ovirt-users] OVN Provider setup issues

[Andrea Fagiani]

On 16/11/2016 17:23, Dan Kenigsberg wrote:
> On Tue, Nov 08, 2016 at 09:21:13AM +0100, Andrea Fagiani wrote:
>> Hi all,
>>
>> I've been messing around with the ovirt-ovn-provider [1] and I've run into
>> some issues during the initial setup.
>>
>> I have a 5-node cluster (running the hosted-engine VA), LEGACY virtual
>> switch; this test was done on a single host. Following the instructions from
>> the aforementioned blog post, I have downloaded the ovirt-provider-ovn and
>> ovirt-provider-ovn-driver rpms, and built the rpm packages for:
>>
>> - openvswitch (2.6.90)
>> - openvswitch-ovn-common
>> - openvswitch-ovn-host
>> - openvswitch-ovn-central
>> - python-openvswitch
>>
>> I set up a dedicated VM for the OVN controller, installed ovs and
>> ovn-central, started the ovn-northd and ovirt-provider-ovn services. So far
>> so good. I then moved on to the oVirt host and installed the above packages
>> (minus ovn-central) as well as the ovirt-provider-ovn-driver provided,
>> started the ovn-controller service and ran
>>
>> # vdsm-tool ovn-config <ovn controller IP> <host management IP>
>>
>> Executing the suggested checks I noticed that something didn't quite go as
>> planned. Below is the /var/log/openvswitch/ovn-controller.log from the host
>> machine. There are no firewalls involved (not even on the servers) and I
>> also tried disabling SELinux but to no avail.
>>
>> Any ideas?
>>
>> Thanks,
>> Andrea
>>
>> [1] http://www.ovirt.org/blog/2016/11/ovirt-provider-ovn/
>>
>>
>> 2016-11-07T14:22:09.552Z|00001|vlog|INFO|opened log file
>> /var/log/openvswitch/ovn-controller.log
>> 2016-11-07T14:22:09.553Z|00002|reconnect|INFO|unix:/var/run/openvswitch/db.sock:
>> connecting...
>> 2016-11-07T14:22:09.553Z|00003|reconnect|INFO|unix:/var/run/openvswitch/db.sock:
>> connected
>> 2016-11-07T14:22:09.555Z|00004|reconnect|INFO|tcp:10.100.248.11:6642:
>> connecting...
>> 2016-11-07T14:22:09.555Z|00005|reconnect|INFO|tcp:10.100.248.11:6642:
>> connected
>> 2016-11-07T14:22:09.556Z|00006|ofctrl|INFO|unix:/var/run/openvswitch/br-int.mgmt:
>> connecting to switch
>> 2016-11-07T14:22:09.556Z|00007|rconn|INFO|unix:/var/run/openvswitch/br-int.mgmt:
>> connecting...
>> 2016-11-07T14:22:09.557Z|00008|pinctrl|INFO|unix:/var/run/openvswitch/br-int.mgmt:
>> connecting to switch
>> 2016-11-07T14:22:09.557Z|00009|rconn|INFO|unix:/var/run/openvswitch/br-int.mgmt:
>> connecting...
>> 2016-11-07T14:22:09.557Z|00010|rconn|INFO|unix:/var/run/openvswitch/br-int.mgmt:
>> connected
>> 2016-11-07T14:22:09.557Z|00011|rconn|INFO|unix:/var/run/openvswitch/br-int.mgmt:
>> connected
>> 2016-11-07T14:22:09.558Z|00012|ofctrl|INFO|OpenFlow error: OFPT_ERROR
>> (OF1.3) (xid=0x9): OFPBMC_BAD_FIELD
>> OFPT_FLOW_MOD (OF1.3) (xid=0x9):
>> (***truncated to 64 bytes from 240***)
>> 00000000  04 0e 00 f0 00 00 00 09-00 00 00 00 00 00 00 00 |................|
>> 00000010  00 00 00 00 00 00 00 00-22 00 00 00 00 00 00 00 |........".......|
>> 00000020  ff ff ff ff ff ff ff ff-ff ff ff ff 00 00 00 00 |................|
>> 00000030  00 01 00 04 00 00 00 00-00 04 00 b8 00 00 00 00 |................|
> Andrea, could you tell (mostly Lance) which kernel version are you
> using?
Here is the yum info output for the kernel package on the offending host:

Installed Packages
Name      : kernel
Arch        : x86_64
Version   : 3.10.0
Release   : 327.36.3.el7

Andrea