force_start_vistrails.py

#!/usr/bin/env python
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##
## Copyright (C) 2014-2015, New York University.
## Copyright (C) 2011-2014, NYU-Poly.
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###############################################################################
""" This script will read vistrails pids from files, kill them and call
the script to start vistrails. """

import os.path
import os

#settings
LOG_DIR = '/server/vistrails/logs'
VISTRAILS_SCRIPTS_DIR = '/server/vistrails/trunk/scripts'
SCRIPT = 'start_vistrails.sh'
PORTS = ['8081','8082','8083']


if __name__ == '__main__':
    cmds = []
    for port in PORTS:
        filename = os.path.join(LOG_DIR,
                                "pid.%s.vistrails"%port)
        f = open(filename)
        pid = f.read()
        f.close()
        cmd = "kill -9 %s"%pid
        cmds.append(cmd)

    start_cmd = "nohup " + os.path.join(VISTRAILS_SCRIPTS_DIR,SCRIPT)
    cmds.append(start_cmd)

    for cmd in cmds:
        os.system(cmd)