Re: [GITGRUB] Support PXE option and new command pxecfg

[Bean]

On Fri, Oct 16, 2009 at 11:26 PM, Vladimir 'phcoder' Serbinenko
<address@hidden> wrote:
> Hello. Could you send this as a patch?

Hi,

This function depends on my menu branch, it can't be applied to svn
head, so patch file is not very useful.

> Bean wrote:
>> Hi,
>>
>> Extends pxe command:
>>
>> -i (--info)  now shows mac and dhcp options
>> -e (--export)  export a dhcp option as grub variable, for example:
>>
>> pxe -e 150
>>
>>
> Why can't this be exported unconditionally on pxe system startup?

Right, perhaps we can export PXE_IP, PXE_MAC and PXE_150 by default,
but this function is also useful in case we need to use other string
option.

>> Set variable PXE_150 to the value of dhcp option 150, you can then use
>> command like source to load it:
>>
>> source ${PXE_150}
>>
>> New command pxecfg, which allows you to run a command based on current 
>> ip/mac:
>>
>> pxecfg /pxe.txt
>>
>>
> What's wrong with standard if? I would prefer to extend "if" if
> necessary rather than having ad-hoc command for every condition (later
> is inexpandable)

IIRC the test command can't compare partial string.

>> Here is an example config file:
>>
>> pxe {
>>   ip {
>>     192 {
>>       168.2 {
>>         command = "echo ip 192.168.2.*"
>>       }
>>
>>       169 {
>>         command = "echo ip 192.169.*.*"
>>       }
>>
>>       command = "echo ip 192.*.*.*"
>>     }
>>   }
>>
>>   mac {
>>     00-0c-29-1a {
>>       command = "echo mac 00-0c-29-1a-*-*"
>>     }
>>
>>     command = "echo mac *-*-*-*-*-*"
>>   }
>> }
>>
>> The config file should be self-explaining, you can use \n to specify
>> multiple line of commands:
>>
>> command = "linux /vmlinuz\ninitrd /initrd\nboot"
>>
>> Source is at http://github.com/bean123/grub/, master branch.
>>
>>
>
>
> --
> Regards
> Vladimir 'phcoder' Serbinenko
> Personal git repository: http://repo.or.cz/w/grub2/phcoder.git
>
>
>
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>



-- 
Bean

gitgrub home: http://github.com/grub/grub/
my fork page: http://github.com/bean123/grub/