[Openstack] nova-manage network create does not create the bridges/vlans immediately
Nathanael Burton
nathanael.i.burton at gmail.com
Thu May 17 03:13:52 UTC 2012
On May 16, 2012 9:47 PM, "Omar Lara" <omar at scasoftware.net> wrote:
>
> Hi, i am trying to deploy a VlanManager networking model in Essex, i am
not using Quantum, and my problem is when i try to do:
>
> nova-manage network create --label vlan1 --fixed_range_v4 10.0.1.0/24--num_networks 1 --network_size 256 --vlan 1 --project_id
2e744c1a2032ccb1a0cdf7c5f825d046
>
> The bridge and the vlan are not created immediately, do you have any idea
if there is another daemon that needs to run or something so or some
additional advice, my nova-network is a server different from the
nova-compute.
>
> Also i noticed that the ensure_bridge method from linux_net.py never is
called, in this script there is the brctl addbr call to posix.
>
> root at devlabnova:~# nova-manage network list
> id IPv4 IPv6 start address DNS1
DNS2 VlanID project uuid
> 20 10.0.1.0/24 None 10.0.1.3 None
None 1
2e744c1a2032ccb1a0cdf7c5f825d046
a667af77-8ffe-42f8-a094-c2ce71d59171
>
> root at devlabnova:~# brctl show
> bridge name bridge id STP enabled interfaces
>
>
> My nova.conf is as follows in terms of nova-network
>
> ##### nova-network #####
> network_manager=nova.network.manager.VlanManager
> public_interface=eth0
> vlan_interface=eth1
> network_host=devlabnova
> fixed_range=10.0.0.0/8
> network_size=1024
> dhcpbridge_flagfile=/etc/nova/nova.conf
> dhcpbridge=/usr/bin/nova-dhcpbridge
> force_dhcp_release=True
> fixed_ip_disassociate_timeout=30
> my_ip=172.16.16.10
>
> Thanks in advance!
>
> --
> -------------------------------------
> Omar Lara
> CEO
> ScaSoftware
> t: +52(55) 84.21.84.43
> Twitter: @elchito
> http://www.scasoftware.net
> -------------------------------------
>
>
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Omar,
The vlan tagged interfaces and bridges are created on the fly as needed as
users within the relevant projects start instances that are scheduled to
the relevant compute nodes.
Nate
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