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Forum Discussion

Michael_Benzing's avatar
Michael_Benzing
Icon for Nimbostratus rankNimbostratus
Jan 26, 2014

Syntax of "switch" statement

I have seen some switch statements in our F5 rules that seem to be using "else" instead of the "default" keyword to catch all unmatched searches. Based on documentation, it would seem to me that the ...
application delivery
devops
iRules
nitass's avatar
nitass
Icon for Employee rankEmployee
Jan 26, 2014

e.g.

root@(ve11a)(cfg-sync In Sync)(Active)(/Common)(tmos) list ltm rule quux
ltm rule quux {
    when HTTP_REQUEST {
  switch -glob [HTTP::uri] {
    somesvc { log local0. "[HTTP::uri] - somesvc"; return }
    /mysvc* { log local0. "[HTTP::uri] - /mysvc*"; return }
    / { log local0. "[HTTP::uri] - /"; return }
    else { log local0. "[HTTP::uri] - else"; return }
  }
  log local0. "[HTTP::uri] - not match"
}
}

[root@ve11a:Active:In Sync] config  tail -f /var/log/ltm
Jan 26 09:17:16 ve11a info tmm1[11129]: Rule /Common/quux : /mysvc/something - /mysvc*
Jan 26 09:17:18 ve11a info tmm[11129]: Rule /Common/quux : /somethingelse - not match
Michael_Benzing's avatar
Michael_Benzing
Icon for Nimbostratus rankNimbostratus
Jan 26, 2014
Thanks for the test results! My initial thoughts were that this was being treated as a literal and not a keyword.