diff options
Diffstat (limited to 'util/pbs/pbs.py')
| -rwxr-xr-x | util/pbs/pbs.py | 176 |
1 files changed, 176 insertions, 0 deletions
diff --git a/util/pbs/pbs.py b/util/pbs/pbs.py new file mode 100755 index 000000000..ecacbeba2 --- /dev/null +++ b/util/pbs/pbs.py @@ -0,0 +1,176 @@ +# 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. +# +# Authors: Nathan Binkert + +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.hold = False + self.join = False + self.keep_stdout = False + self.keep_stderr = False + self.node_type = '' + self.mail_abort = False + self.mail_begin = False + self.mail_end = False + self.name = '' + self.stdout = '' + self.priority = 0 + self.queue = '' + self.pbshost = '' + 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 len(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 len(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) + + if len(self.name): + self.cmd.append("-N%s" % self.name) + + if self.priority != 0: + self.cmd.append('-p' + self.priority) + + if len(self.queue): + self.cmd.append('-q' + self.queue) + + 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 |