Re: [HTCondor-users] Access to renamed DAG node names

["R. Kent Wenger" <wenger@xxxxxxxxxxx>]

On Mon, 12 Jan 2015, Brian Candler wrote:

> I note that DAGMAN renames nodes under several circumstances to ensure the 
> node names are unique:
>
> - single submission of multiple independent DAGs (name => "<num>.<jobname>")
> - SPLICE (name => "<splice>+<jobname>")
> - possibly SUBDAG EXTERNAL as well, I've not tested this
>
> My question is, is it possible to have access at runtime to the chosen node 
> name, so that for example you might have a shared submit file with
>
> output = $(FOO).out
> error =$(FOO).err
>
> where $(FOO) expands to the unique renamed node name?

Yes, this is pretty easy to do:

In your DAG file:
  Job NodeA A.sub
  Vars NodeA nodename=$(JOB)

In A.sub:
  output = $(nodename).out
  error = $(nodename).err

$(nodename) will expand to the modified node name.

Kent Wenger
CHTC Team