[ET Trac] [Einstein Toolkit] #2093: Show if this machine matches the mdb

[Einstein Toolkit]

#2093: Show if this machine matches the mdb
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  Reporter:  sbrandt      |       Owner:                     
      Type:  enhancement  |      Status:  review             
  Priority:  unset        |   Milestone:                     
 Component:  SimFactory   |     Version:  development version
Resolution:               |    Keywords:                     
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Comment (by rhaas):

 If more than one pattern in the mdb matches the machine hostname then the
 machine database if faulty since simfactory will end up having to use one
 of them and which one it will use is at best not documented and at worst
 depends on the order in which the machine.ini files are inspected (ie on
 the order in which the file system presents them).

 I am fine with whomami showing the auto-generated name since that is the
 machine that I am on after all. After sim-setup is done there is no
 difference anymore between machines whose description file is part of
 simfactories repo and those which are generated by sim-setup so I do not
 see how this command can distinguish between them.

 The only reason it works is that sim-setup leaves aliaspattern to be
 {{{^generic\.some\.where$}}} which seems like a good candidate to have
 sim-setup to actually set to the hostname in the near future.

 So it seems to me as if the only new thing that this command offers is to
 detect if the current machine definition file was created by sim-setup or
 not. However this detection is based on a side effect of sim-setup (and eg
 could also happen if a user on a cluster does not set alias pattern).

 To me it also seems as if a machine whose machine.ini file was created by
 sim-setup and then adjusted by the user is explicitly supported (such as
 my workstation, at least for me).

 So I would like to rather not add this feature to the list-machines
 command since it does not add much and what it adds is fragile as it
 depends on details of the machine.ini file that we cannot enforce and do
 not document.

-- 
Ticket URL: <https://trac.einsteintoolkit.org/ticket/2093#comment:3>
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