[rdo-list] [TripleO] Setting NeutronBridgeMappings just for compute nodes in NFV deployment
Dan Sneddon
dsneddon at redhat.com
Mon Apr 3 19:03:50 UTC 2017
On 04/03/2017 06:03 AM, Samuel Monderer wrote:
> Hi Marius,
>
> Attached is the controller node template.
> I've also added below the ovs-vsct show results for both the compute and
> control node
> For some reason there is also a bridge called "undef" in both the
> controller and the compute
>
> [heat-admin at overcloud-controller-0 ~]$ sudo ovs-vsctl show
> 00ce4561-418d-4161-b907-3b2222930f35
> Manager "ptcp:6640:127.0.0.1"
> Bridge br-int
> Controller "tcp:127.0.0.1:6633 <http://127.0.0.1:6633>"
> fail_mode: secure
> Port br-int
> Interface br-int
> type: internal
> Bridge undef
> Port undef
> Interface undef
> type: internal
> Bridge br-mng
> fail_mode: standalone
> Port "vlan204"
> tag: 204
> Interface "vlan204"
> type: internal
> Port "vlan202"
> tag: 202
> Interface "vlan202"
> type: internal
> Port br-mng
> Interface br-mng
> type: internal
> Port "vlan203"
> tag: 203
> Interface "vlan203"
> type: internal
> Port "eno2"
> Interface "eno2"
> Port "vlan201"
> tag: 201
> Interface "vlan201"
> type: internal
> Bridge br-up
> Port br-up
> Interface br-up
> type: internal
> Bridge br-ex
> fail_mode: standalone
> Port br-ex
> Interface br-ex
> type: internal
> Port "eno3"
> Interface "eno3"
> ovs_version: "2.5.0"
> [heat-admin at overcloud-controller-0 ~]$
>
>
> [heat-admin at overcloud-compute-0 ~]$ sudo ovs-vsctl show
> 2f6bccd5-9653-42df-a1db-8cb5c3b0293a
> Manager "ptcp:6640:127.0.0.1"
> Bridge br-down
> fail_mode: standalone
> Port br-down
> Interface br-down
> type: internal
> Port "em3"
> Interface "em3"
> Bridge br-up
> fail_mode: standalone
> Port br-up
> Interface br-up
> type: internal
> Port "em4"
> Interface "em4"
> Bridge br-ex
> fail_mode: standalone
> Port "vlan204"
> tag: 204
> Interface "vlan204"
> type: internal
> Port "vlan202"
> tag: 202
> Interface "vlan202"
> type: internal
> Port "vlan201"
> tag: 201
> Interface "vlan201"
> type: internal
> Port br-ex
> Interface br-ex
> type: internal
> Port "em2"
> Interface "em2"
> Bridge br-int
> Controller "tcp:127.0.0.1:6633 <http://127.0.0.1:6633>"
> fail_mode: secure
> Port br-int
> Interface br-int
> type: internal
> Bridge undef
> Port undef
> Interface undef
> type: internal
> ovs_version: "2.5.0"
> [heat-admin at overcloud-compute-0 ~]$
>
>
>
>
> On Fri, Mar 31, 2017 at 1:01 PM Marius Cornea <marius at remote-lab.net
> <mailto:marius at remote-lab.net>> wrote:
>
> Hi Samuel,
>
> Could you please share the nic template used for the controller node?
> The bridges should be created according to the nic template so I would
> like to see how it looks.
>
> Thanks!
>
> On Thu, Mar 30, 2017 at 4:59 PM, Samuel Monderer
> <smonderer at vasonanetworks.com <mailto:smonderer at vasonanetworks.com>>
> wrote:
> > Hi,
> >
> > I would like to test my VNF on an openstack environment deployed using
> > TripleO.
> > For that I need to setup flat provider networks that go only to
> the compute
> > node.
> > I tried deploying an overcoud with additional neutron bridge
> mappings as
> > following
> >
> > Added NeutronBridgeMappings: "
> > datacentre:br-ex,physdown;br-down,physup:br-up" to network
> environment file
> > Added following resources to compute.yaml file
> >
> > -
> > type: ovs_bridge
> > name: br-down
> > mtu: 9000
> > members:
> > -
> > type: interface
> > name: ens4f0
> > # force the MAC address of the bridge to this
> interface
> > primary: true
> > -
> > type: ovs_bridge
> > name: br-up
> > mtu: 9000
> > members:
> > -
> > type: interface
> > name: ens4f1
> > # force the MAC address of the bridge to this
> interface
> > primary: true
> >
> > This will create the intended OVS bridges on the the compute node
> with the
> > interfaces connected.
> >
> > The unwanted side effect it that ii also created the bridges on the
> > controller node without any interfaces connected to it
> >
> > Is there a way to have the undercloud create the bridges only on
> the compute
> > nodes and not on the controller nodes???
> >
> > Samuel
> >
> > _______________________________________________
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>
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You've got a syntax error in your bridge_mappings (semicolon instead of
colon). This is causing your "undef" bridge.
Also, it is expected behavior that if you define a bridge in a bridge
mapping, but you don't include that bridge in the NIC template, that you
will end up with a bridge with no interfaces attached. It shouldn't hurt
anything.
--
Dan Sneddon | Senior Principal Software Engineer
dsneddon at redhat.com | redhat.com/openstack
dsneddon:irc | @dxs:twitter
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