> On 09/30/2009 12:11 AM, Jean Spirat wrote: > > > >> I prefer using my own variables in my own namespace and initialize > >> them from a "known good" source - like $HOSTNAME. This may not be > >> the most obvious solution, but this way you can guarantee that > >> "your" variable has a valid value. And if $HOSTNAME turns out to be > >> unrealiable - or undesired - then you could easily change the > >> source (like maybe retrieving the value from an external database.) > >> without having to wade through the rest of the source code trying > >> hard not to introduce new bugs. > >> > > ok so any defined variables can be used in setup storage (like in > > http://www.informatik.uni-koeln.de/fai/fai-guide/ch-config.html#s-classvariables). > > > > I had not thinked of this before i was seeing this as a static file. > > good to know thanks :) > > Hmm. I don't think I understand what you mean. I mean I HAVE tried > using $HOSTNAME in my disk_config-layout with setup-storage and it did > NOT work (at least for me - see my first post in this thread). > > Maybe I've done a mistake? >
I think you don't use a proper hook. Let me try to elaborate: - Create a disk config disk_config/SOMETHING that has ##HOSTNAME## in the places you'd like to see $HOSTNAME to be replaced. - Add a hook hooks/partition.DEFAULT that does the following: cp $FAI/disk_config/SOMETHING $FAI/disk_config/$HOSTNAME sed -i "s/##HOSTNAME##/$HOSTNAME/" $FAI/disk_config/$HOSTNAME That should be about it, I think. I haven't actually tested this, so others might want to correct me. Best, Michael
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