[et-mgmt-tools] dhcp.template and multiple subnets

[Peter Wright]

Michael DeHaan wrote:
> Michael DeHaan wrote:
>   
>> Peter Wright wrote:
>>     
>>> hi,
>>> just noticed an issue when you define multiple subnets in 
>>> dhcp.template.  it seems that if you have setup your template file to 
>>> use mutiple subnets dhpcd will fail to start unless you have tagged a 
>>> system to live on one of the secondary subnets.  for example take 
>>> this dhcp.template:
>>>
>>> subnet 172.30.214.0 netmask 255.255.255.0 {
>>> ...
>>> }
>>>
>>> $insert_cobbler_system_definitions
>>>
>>> subnet 172.30.206.0 netmask 255.255.255.0 {
>>> ...
>>> }
>>>
>>> $insert_cobbler_system_definitions_abq
>>>
>>>
>>>
>>> restarting dhcpd (or running cobbler sync) will fail due to the fact 
>>> that "$insert_cobbler_system_definitions_abq" will litterally end up 
>>> in /etc/dhpcd.conf.  once you tag a system to use the secondary 
>>> subnet (in this case --dhcp-tag=abq) the $insert_cobbler... variable 
>>> is expanded correctly and dhcp restarts as expected.
>>>
>>> i am not sure if anyone else has run into this, or if this issue can 
>>> we worked around (i am not too familiar with how template's).
>>>
>>> -pete
>>>
>>>
>>>       
>> This would work... I'll add it to the Wiki.
>>
>> #if $getVar("insert_cobbler_system_definitions_abq","none") != "none"
>> subnet 172.30.206.0 netmask 255.255.255.0 {
>> ...
>> }
>> $insert_cobbler_system_definitions_abq
>> #end if
>>
>>
>>
>>
>>
>>
>>     
> Small tweak:
>
> #if $getVar("insert_cobbler_system_definitions_abq","") != ""
> subnet 172.30.206.0 netmask 255.255.255.0 {
> ...
> }
> $insert_cobbler_system_definitions_abq
> #end if
>
>
>   

awesome, thanks!  i'll give this a go later today.

-pete



-- 
Peter Wright
Systems Engineer
Sony Pictures Imageworks
wright at imageworks.com
www.imageworks.com