Ensure netns is in the path.

2009-12-12 02:54:52 -08:00
parent ac75d7cff4
commit ea7c8795f5
1 changed files with 4 additions and 0 deletions
@@ -796,6 +796,10 @@ def init():
      # Note: this script must be run as root 
      # Perhaps we should do so automatically!
      print "*** Mininet must run as root."; exit( 1 )
+   # If which produces no output, then netns is not in the path.
+   # May want to loosen this to handle netns in the current dir.
+   if not quietRun(['which', 'netns']):
+       raise Exception("Could not find netns; see INSTALL")
   fixLimits()

 if __name__ == '__main__':