Re: Two different security flavours in nfs mount auto.master

[Richard Smits <R.Smits@tudelft.nl>]

Ian Kent wrote:
> On Mon, 2010-04-26 at 09:57 +0200, Richard Smits wrote:
>> Hello,
>>
>> I was wondering if the next example would be possible with the 
>> automounter. I have a feeling this is not possible, but maybe there are 
>> some options I do not know about.
>>
>> I have two nfs servers.
>>
>> One with /export with standard nfs export.
>>
>> One with /export with krb5 security.
>>
>> Now I want to moutn one of the two if a condition is met. The condition 
>> I check with the excecutable automounter script.
>>
>> That is not my problem.
>>
>> The problem is the auto.master file. For a directory, I can have one 
>> security flavour. This is my problem. I need two. See below :
>>
>> # NFS homedirs
>> /home/nfs	/etc/auto.nfs -rw,-fstype=nfs --timeout 60
>>
>> /home/nfs is the homedir for the user, I cannot change this because this 
>> is in the configuration os samba. (We use winbind for authentication).
>>
>> But my auto.nfs script checks if the user has a homedir on the sandard 
>> nfs3 server, or has a home on our nfs4/krb5 server.
>>
>> But my auto.master isn't ready for this if you know what I mean.
>>
>> I need :
>>
>> # NFS homedirs
>> /home/nfs	/etc/auto.nfs -rw,-fstype=nfs --timeout 60
>> /home/nfs	/etc/auto.nfs -rw,-fstype=nfs4,sec=krb5 --timeout 60
> 
> Why don't you just return the required options from the program mount
> script along with the mount location?
> 
> You can see an example of this in /etc/auto.net and in /etc/auto.smb. In
> its simplest form it's just "-<comma separated opts> <mount location>"
> and get rid of the -fstype option from the master map.

Yes, this was exacly what I was looking for. Thank you for this good 
tip. I did not know this was possible. I got it working now.

Thanks again.

Greetings .. Richard