[HTCondor-users] CondorCE ordering routes (when moving to new syntax)

[Thomas Hartmann <thomas.hartmann@xxxxxxx>]

Hi all,

we are rewriting currently our CondorCE routes in the new synatx and I 
have a quick question. When having a number of routes, how are they 
actually ordered (or can they be ordered during loading the config)? ð
Let's say, I have different routes, which could match for the same job - 
so that the different routes have REQUIREMENTS on different original job 
ads - but which are not necessarily excluding each other.
IIRC Routes are not chained and I would guess that the first route 
matching its requirement wins and the job goes down this route (with a 
PRE ROUTE maybe applied before).
If so, is there a suggested way to "order" routes to priotize these or 
ensure that the correct route is taken (without overloading the 
requirements)?
E.g., in [1] there would be three routes getting added to 
JOB_ROUTER_ROUTE_NAMES. Would the routes then be applied in their order 
as in JOB_ROUTER_ROUTE_NAMES - or would JOB_ROUTER_ROUTE_NAMES get 
sorted alphanumerical and the routes then get tried to be matched in 
their alphanumerical order?
On PRE ROUTEs - is it safe to assume that ads set in the pre_route can 
be overwritten/extended in following routes? Or would it be better to 
set only transient pre route ad, that is evaluated & set in the 
following routes into the actual ad?
Cheers,
  Thomas


[1]

JOB_ROUTER_ROUTE_FOO_01DEFAULTS @=end
  SET adForAll = "valueForAll"
  SET requirements = "NODE_IS_HEALTHY"
@end

FOO_01PRIO @=end
  ...
  REQUIREMENTS (something == true)
  EVALSET requirements = "${requirements} && getFastBox == true"
@end

FOO_03BAZ @=end
  ...
  REQUIREMENTS (bazAd == true)
@end

FOO_90REST @=end
   ...
@end

JOB_ROUTER_PRE_ROUTE_TRANSFORM_NAMES = 
$(JOB_ROUTER_PRE_ROUTE_TRANSFORM_NAMES) FOO_90REST FOO_01DEFAULTS FOO_03BAZ
JOB_ROUTER_ROUTE_NAMES = $(JOB_ROUTER_ROUTE_NAMES) FOO_01PRIO

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