[ovirt-users] OVN Provider setup issues

[Dan Kenigsberg]

On Wed, Nov 16, 2016 at 12:37:57PM -0500, Lance Richardson wrote:
> > From: "Andrea Fagiani" <andrea.fagiani at immobiliare.it>
> > To: "Dan Kenigsberg" <danken at redhat.com>
> > Cc: users at ovirt.org, "Lance Richardson" <lrichard at redhat.com>, mmirecki at redhat.com
> > Sent: Wednesday, November 16, 2016 12:24:15 PM
> > Subject: Re: [ovirt-users] OVN Provider setup issues
> > 
> > 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
> > 
> 
> OK, the 327 kernel did not support conntrack and cannot be used for OVN.
> 
> RHEL 7.3 or newer is the minimum requirement for OVN.

Lance, can you encode this requirement in openvswitch-ovn-host.rpm ?

Regards,
Dan.