#!/usr/bin/python2
import os
import sys
cmd="cp -f /etc/fstab /etc/fstab.backup.pre_acl"
os.system(cmd)
f = open('/etc/fstab', 'r')
fstab=f.readlines()
f.close()
mp='/data/mnt/d1'

def check_fstab_mount():
    #first check if media/d1 is in list, if not add it.
    newfstab=[]
    mnt_in_fstab=False
    for line in fstab:
        split_line=line.split()
        try:
            if split_line[1] == mp :
                print "found mountpoint if fstab"
                mnt_in_fstab = True
                break
        except:  pass
    return mnt_in_fstab

def add_mnt_to_fstab():
    newfstab=[]
    for line in fstab:
        newfstab.append(line)
        split_line=line.split()
        try:
            if split_line[1] == "/myth":
               split_line[1] = mp
               new_line='\t'.join(split_line)+"\n"
               newfstab.append(new_line)
        except:
            pass

    return newfstab



if check_fstab_mount() == False:
    print "I need to add it"
    newfstab=add_mnt_to_fstab()
    f = open('/tmp/fstab', 'w')
    for i in newfstab:
        f.write(i)
        #f.write("\n")
    f.close()