#!/bin/env python

'''Testlet to dump the acceptance environment.'''

import os
import sys
import time
import test_utils as util

name = 'Dump of the acceptance test environment'

def test(logfile):
    (cluster, domain) = util.get_hostname()

    # show the hostname
    util.log_print_nl(logfile, 'Hostname: %s.%s' % (cluster, domain))
    util.log_print_nl(logfile)

    # show value of PYTHON environment variable
    python_env_var = os.getenv('PYTHON', '')
    util.log_print_nl(logfile, 'PYTHON environment variable = %s' % python_env_var)
    if python_env_var == '':
        util.log_print_nl(logfile, "Assume 'export PYTHON=python'")
    util.log_print_nl(logfile)
    python_env_var = os.getenv('PYTHON', 'python')

    # show python version being used
    cmd = '%s -c "import sys;print sys.version"' % python_env_var
    fd = os.popen(cmd, 'r')
    python_version = fd.read()
    fd.close() 
    util.log_print_nl(logfile, "Executing '$PYTHON' gives version: %s" % python_version.replace('\n', ' '))
    util.log_print_nl(logfile)

    # show PYTHONPATH value
    pythonpath = os.getenv('PYTHONPATH')
    util.log_print_nl(logfile, 'PYTHONPATH environment variable = %s' % pythonpath)
    util.log_print_nl(logfile)

    # show contents of ./machines_<machine>
    home = os.getenv('HOME')
    machines_file = os.path.join(home, '.machines_%s' % cluster)
    try:
        fd = open(machines_file, 'r')
        data = fd.read()
        fd.close()
    except:
        data = '***** NO FILE FOUND *****\n'

    util.log_print_nl(logfile, '%s:' % machines_file)
    util.log_print_nl(logfile, '-' * 30)
    util.log_print(logfile, data)
    util.log_print_nl(logfile, '-' * 30)
    util.log_print_nl(logfile)

    return True


if __name__ == '__main__':
    logfile = 'test.log'
    if len(sys.argv) > 1:
        logfile = sys.argv[1]

    try:
        os.remove(logfile)
    except:
        pass

    if not test(logfile):
        sys.exit(10)

    sys.exit(0)