gridengine/examples/drmaa/ruby/stream_and_trap.rb

100 lines
2.5 KiB
Ruby
Executable File

#!/usr/bin/ruby
#########################################################################
#
# The Contents of this file are made available subject to the terms of
# the Sun Industry Standards Source License Version 1.2
#
# Sun Microsystems Inc., March, 2006
#
#
# Sun Industry Standards Source License Version 1.2
# =================================================
# The contents of this file are subject to the Sun Industry Standards
# Source License Version 1.2 (the "License"); You may not use this file
# except in compliance with the License. You may obtain a copy of the
# License at http://gridengine.sunsource.net/Gridengine_SISSL_license.html
#
# Software provided under this License is provided on an "AS IS" basis,
# WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING,
# WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS,
# MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING.
# See the License for the specific provisions governing your rights and
# obligations concerning the Software.
#
# The Initial Developer of the Original Code is: Sun Microsystems, Inc.
#
# Copyright: 2006 by Sun Microsystems, Inc.
#
# All Rights Reserved.
#
#########################################################################
require 'drmaa'
class Sleeper < DRMAA::JobTemplate
def initialize
super
self.command = "/bin/sleep"
self.arg = ["1"]
self.stdout = ":/dev/null"
self.join = true
end
end
$terminate_session = $terminate_program = false
def handle_signal
if ! $terminate_session
$terminate_session = true
elsif ! $terminate_program
$terminate_program = true
end
end
trap("INT") { handle_signal }
trap("TERM") { handle_signal }
session = DRMAA::Session.new
# causes DRMAA::Session:run() and DRMAA::Session:run_bulk()
# to sleep and retry in case of DRMAA::DRMAATryAgain.
# That way we implement job streaming.
session.retry = 5
t = Sleeper.new
jobs = Array.new
for i in 1 .. 20 do
job = session.run(t)
puts "job: " + job
jobs << job
break if $terminate_session
end
for i in 1 .. 10
bulk = session.run_bulk(t, 1, 2)
bulk.each { |job| puts "job: " + job }
jobs += bulk
break if $terminate_session
end
while jobs.size > 0 do
info = session.wait_any(1)
if ! info.nil?
if ! info.wifexited?
puts "failed: " + info.job
else
puts info.job + " returned with " + info.wexitstatus.to_s
end
jobs.delete(info.job)
else
if $terminate_program
jobs.clear
elsif $terminate_session
session.terminate
end
end
end
exit 0