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R3127/bin/createUser.py
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createUser.py
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#!/usr/bin/python
import getpass
import psycopg2
import string
from random import *
import argparse
from psycopg2.extensions import ISOLATION_LEVEL_AUTOCOMMIT
import os,stat
################################################################
def generatePassword():
characters = string.ascii_letters + string.digits
password = "".join(choice(characters) for x in range(randint(8, 16)))
return password
################################################################
def createUser(new_user):
connection_params = dict()
connection_params["user"] = 'postgres'
try: connection = psycopg2.connect(**connection_params)
except Exception as e:
raise Exception(str(e)+'\n'+'*'*30 + '\ncannot connect to database\n' + '*'*30)
connection.set_isolation_level(ISOLATION_LEVEL_AUTOCOMMIT)
curs = connection.cursor()
try: curs.execute('create user {0}'.format(new_user))
except Exception as e: print e
try: curs.execute('create database {0}'.format(new_user))
except Exception as e: print e
try: curs.execute('alter database {0} owner to {0}'.format(new_user))
except Exception as e: print e
curs.execute('grant create on database {0} to {0}'.format(new_user))
password = generatePassword()
curs.execute('alter role {0} with password \'{1}\' '.format(new_user,password))
fname = '{0}.bd'.format(new_user)
bdconf = open(fname,'w')
bdconf.write('password = {0}'.format(password))
bdconf.close()
os.chmod(fname,stat.S_IREAD)
################################################################
parser = argparse.ArgumentParser(description='User creation tool for blackdynamite')
parser.add_argument("--user",type=str,help="name of the user to create",required = True)
args = parser.parse_args()
args = vars(args)
new_user = args['user']
createUser(new_user)
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