There is spank documentation in a man page (see "man spank"). There are several examples of spank plugins here: http://code.google.com/p/slurm-spank-plugins/ of particular note, see: http://code.google.com/p/slurm-spank-plugins/wiki/UseEnv
Quoting Sergio Iserte Agut <[email protected]>: > Could somebody help me? > > I'm still with the problem of how to write an environmental variable. > > I look forward to hearing from you soon. > > Thank you. > > 2012/7/4 Sergio Iserte Agut <[email protected]> > >> Than you Andrej for your idea, I think it's very interesting, but I'm >> getting started in this field and I'm not sure about what you are meaning >> >> > ... we're setting the SPANK variable in job data by some controller >>> plugin ... you can easily find details ... it's some env_array_* >> >> >> There a lot of functions with this beginning, I'm wondering if you were >> referring to some functions in *env.c* like* env_array_for_job()*. >> Anyway, I haven't found the part of code where I can do that you're >> telling me. >> >> Kind regards! >> >> >> 2012/7/3 Andrej N. Gritsenko <[email protected]> >> >>> >>> Hello! >>> >>> >>> >>> Sergio Iserte Agut has written on Tuesday, 3 July, at 6:49: >>> >>> >I've followed your advise and I've achived to find a function, called >>> >>> >"setup_particulars(), in "env.c" which allows me to create and to set an >>> >>> >environmental variable using the function "setenvf(). >>> >>> >I'm not really sure about how to do it, but I've seen that it call the >>> >>> >function "select_g_select_jobinfo_get()" in order to get the value for >>> the >>> >>> >environmental variable. And that I've done. >>> >>> >I've implemented the "select_p_select_jobinfo_get()" in my select plugin >>> >>> >and the variables which it needs. But, I don't get the correct value in >>> my >>> >>> >env. var. >>> >>> >Moreover I've put debug lines to see the behaviour and the call flow. But >>> >>> >this debug lines aren't shown in my log files! That's why I'm getting >>> lost. >>> >>> >>> >>> >If you need more information, let me know! >>> >>> >>> >>> >Thank you for your time. >>> >>> >>> >>> You cannot set environment in the controller and think it can be ever >>> >>> available for job since enviromnent for job is set by srun/sbatch only. >>> >>> You can do it the way we do it - we're setting the SPANK variable in >>> >>> job data by some controller plugin and then retrieve it in slurmd plugin >>> >>> using RPC REQUEST_SPANK_ENVIRONMENT. I think you can easily find details >>> >>> for both operations in header files - it's some env_array_* function and >>> >>> slurm_send_recv_controller_msg(). >>> >>> >>> >>> With the best wishes. >>> >>> Andriy. >>> >> >> >> >> -- >> *-- >> * >> *Sergio Iserte Agut, assistant researcher,* >> *High Performance Computing & Architecture, University Jaume I (Spain)* >> >> >> > > > -- > *-- > * > *Sergio Iserte Agut, assistant researcher,* > *High Performance Computing & Architecture, University Jaume I (Spain)* >
