extractPwdFromJceks.py

'''
Function to Retrieve the password from JCEKS file in PySpark
Parameters: SparkContext(sc), JCEKSFILE in hadoop path(jceksfile), Password alias for the jceks(password_alias)
Returns: Password string
'''
def extractPwdFromJceks(sc,jceksfile,password_alias):
  config_jceks = sc._jsc.hadoopConfiguration()
  config_jceks.set("hadoop.security.credential.provider.path",jceksfile)
  temp = config_jceks.getPassword(password_alias)
  password = ""
  for i in range(temp.__len()__):
    password = password+str(temp.__getitem__(i))
   
  return password