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# Copyright (c) 2005 The Regents of The University of Michigan
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are
# met: redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer;
# redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in the
# documentation and/or other materials provided with the distribution;
# neither the name of the copyright holders nor the names of its
# contributors may be used to endorse or promote products derived from
# this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
import os, popen2, re, sys
class MyPOpen(object):
def __init__(self, cmd, input = None, output = None, bufsize = -1):
self.status = -1
if input is None:
p2c_read, p2c_write = os.pipe()
self.tochild = os.fdopen(p2c_write, 'w', bufsize)
else:
p2c_write = None
if isinstance(input, file):
p2c_read = input.fileno()
elif isinstance(input, str):
input = file(input, 'r')
p2c_read = input.fileno()
elif isinstance(input, int):
p2c_read = input
else:
raise AttributeError
if output is None:
c2p_read, c2p_write = os.pipe()
self.fromchild = os.fdopen(c2p_read, 'r', bufsize)
else:
c2p_read = None
if isinstance(output, file):
c2p_write = output.fileno()
elif isinstance(output, str):
output = file(output, 'w')
c2p_write = output.fileno()
elif isinstance(output, int):
c2p_write = output
else:
raise AttributeError
self.pid = os.fork()
if self.pid == 0:
os.dup2(p2c_read, sys.stdin.fileno())
os.dup2(c2p_write, sys.stdout.fileno())
os.dup2(c2p_write, sys.stderr.fileno())
try:
os.execvp(cmd[0], cmd)
finally:
os._exit(1)
os.close(p2c_read)
os.close(c2p_write)
def poll(self):
if self.status < 0:
pid, status = os.waitpid(self.pid, os.WNOHANG)
if pid == self.pid:
self.status = status
return self.status
def wait(self):
if self.status < 0:
pid, status = os.waitpid(self.pid, 0)
if pid == self.pid:
self.status = status
return self.status
class qsub:
def __init__(self):
self.afterok = None
self.hold = False
self.join = False
self.keep_stdout = False
self.keep_stderr = False
self.node_type = None
self.mail_abort = False
self.mail_begin = False
self.mail_end = False
self.name = None
self.stdout = None
self.priority = None
self.queue = None
self.pbshost = None
self.qsub = 'qsub'
self.env = {}
def build(self, script, args = []):
self.cmd = [ self.qsub ]
if self.env:
arg = '-v'
arg += ','.join([ '%s=%s' % i for i in self.env.iteritems() ])
self.cmd.append(arg)
if self.hold:
self.cmd.append('-h')
if self.stdout:
self.cmd.append('-olocalhost:' + self.stdout)
if self.keep_stdout and self.keep_stderr:
self.cmd.append('-koe')
elif self.keep_stdout:
self.cmd.append('-ko')
elif self.keep_stderr:
self.cmd.append('-ke')
else:
self.cmd.append('-kn')
if self.join:
self.cmd.append('-joe')
if self.node_type:
self.cmd.append('-lnodes=' + self.node_type)
if self.mail_abort or self.mail_begin or self.mail_end:
flags = ''
if self.mail_abort:
flags.append('a')
if self.mail_begin:
flags.append('b')
if self.mail_end:
flags.append('e')
if len(flags):
self.cmd.append('-m ' + flags)
else:
self.cmd.append('-mn')
if self.name:
self.cmd.append("-N%s" % self.name)
if self.priority:
self.cmd.append('-p' + self.priority)
if self.queue:
self.cmd.append('-q' + self.queue)
if self.afterok:
self.cmd.append('-Wdepend=afterok:%s' % self.afterok)
self.cmd.extend(args)
self.script = script
self.command = ' '.join(self.cmd + [ self.script ])
def do(self):
pbs = MyPOpen(self.cmd + [ self.script ])
self.result = pbs.fromchild.read()
ec = pbs.wait()
if ec != 0 and self.pbshost:
cmd = ' '.join(self.cmd + [ '-' ])
cmd = [ 'ssh', '-x', self.pbshost, cmd ]
self.command = ' '.join(cmd)
ssh = MyPOpen(cmd, input = self.script)
self.result = ssh.fromchild.read()
ec = ssh.wait()
return ec