[ovirt-users] vdsm keeps removing BOOTPROTO=dhcp from ifcfg-ovirtmgmt

[Ondřej Svoboda]

Ahoj Kubo,

would you try running 'sudo vdsClient -s 0 setSafeNetworkConfig' right 
after restarting the network service? I think your configuration needs 
be persisted in VDSM's network persistence so it is restored (with the 
same configuration) on startup.

Anyway, VDSM should be used to configure networks (directly using 
vdsClient or indirectly through oVirt engine or via other means -- RPC). 
Your network may be configured by running (assuming your NIC is eth0):

vdsClient -s 0 setupNetworks 
'networks={ovirtmgmt:{nic:eth0,bootproto:dhcp,blockingdhcp:true,bridged:true,stp:false,defaultRoute:false}}'

If this doesn't help please attach /var/log/vdsm/supervdsm.log or file a 
bug with myself as the assignee :-)

Thanks,
Ondra

On 11.8.2015 13:04, Jakub Niedermertl wrote:
> Hi all,
>
> I'd like my ovirtmgmt bridge to fetch ip address from dhcp, but vdsm keeps removing 'BOOTPROTO=dhcp' from /etc/sysconfig/network-scripts/ifcfg-ovirtmgmt.
>
> I set the file as follows:
>
>      DEVICE=ovirtmgmt
>      TYPE=Bridge
>      DELAY=0
>      STP=off
>      ONBOOT=yes
>      BOOTPROTO=dhcp
>      MTU=1500
>      DEFROUTE=no
>      NM_CONTROLLED=no
>      IPV6INIT=no
>
> call 'sudo systemctl restart network' and ip address is successfully assigned. Then reboot the machine and ip address is not fetched and ifcfg-ovirtmgmt looks like this
>
>      # Generated by VDSM version 4.17.0-1240.git487a19e.fc22
>      DEVICE=ovirtmgmt
>      TYPE=Bridge
>      DELAY=0
>      STP=off
>      ONBOOT=yes
>      MTU=1500
>      DEFROUTE=no
>      NM_CONTROLLED=no
>      IPV6INIT=no
>      HOTPLUG=no
>
> Is there any way how to prevent vdsm from removing BOOTPROTO statement or make ovirtmgmt to work with dhcp?
>
> Environment:
> Host: runs in virt-manager vm, Fedora 22
> vdsm: 4.17.0-1240.git487a19e.fc22 from http://resources.ovirt.org/pub/ovirt-3.6-pre/rpm/fc$releasever/
>
> Thanks.
>
> Jakub
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