#!/usr/bin/python3

import os, argparse, sys, subprocess, getpass



# Define static issued commands to remote linux instances:

kern = 'uname -a'
redrel = 'cat /etc/redhat-release'
glibcv = 'rpm -qa | grep glibc'
yums = 'yum --security check-update'
bugz = 'yum updateinfo list bugzillas'
homedir = os.environ['HOME']
username = getpass.getuser()

'''
The following options will be imported from the files as variables passed to the python interpreter.
client
clientenv
hosts ( This will be in a list format.)
domain
'''

def runall():
    for filename in os.listdir('/var/environments/profile'):
        execfile(filename)
        for hosts in filename:
            call('ssh -i homedir/.ssh/id_rsa -l username hosts.clientenv.client.domain \' kern && redrel && glibcv && yums && bugz\'')


def runenv():
   execfile('/var/environments/profile/catenv')
   for hosts in catenv:
        call('ssh -i homedir/.ssh/id_rsa -l username hosts.clientenv.client.domain \' kern && redrel && glibcv && yums && bugz\'')

def logger():
    if outputfile is not None:
        sys.stdout = open('oname', 'w')


if __name__ == "__main__":

    parser = argparse.ArgumentParser(description='Options for usage.')
    parser.add_argument('--all', action='store_true', help='This option applies against all files in /var/environments/profile/')
    parser.add_argument('--environment', type=str, action='store', help='This option provides an environment, like MTSOS-DEV in which to run against.')
    parser.add_argument('--output', type=str, action='store', help='This option defines an output file for this application, useful for generating a report')
    args = parser.parse_args()

    catall = print(args.all)
    ename = print(args.environment)
    oname = print(args.output)

    if catall is not None:
        catenv = '1'
    if oname is not None:
        outputfile = oname
    if ename is not None and catall is None:
        catenv = ename
    elif ename is None and catall is None:
        sys.exit('Error in options, all option cannot be set with a specific env option, nothing to do, exiting...')

    # Logical operations

    if catenv == '1':
        logger()
        runall()
    elif catenv != 1:
        logger()
        runenv()
    else:
        sys.exit('No logical condition currently applies to targets, exiting...')