#!/usr/bin/env python

"""
Create the MoltenIron user in mysql and grant it access.
"""

# Copyright (c) 2016 IBM Corporation.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#    http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
# implied.
# See the License for the specific language governing permissions and
# limitations under the License.

# pylint: disable-msg=C0103

from __future__ import print_function

import os
import sys
import yaml


def SQL(query):
    """Perform a mysql command"""
    print(os.popen("mysql -u root -p --execute=\"" + query + "\"").read())


def main():
    """The main routine"""
    path = sys.argv[0]
    dirs = path.split("/")
    # This program is located in molteniron/utils/ directory.
    # The conf.yaml is located in the molteniron/ directory.
    newPath = "/".join(dirs[:-2]) + "/"
    fobj = open(newPath + "molteniron/conf.yaml", "r")
    conf = yaml.load(fobj)

    # Create the SQL User
    SQL("CREATE USER '" +
        conf["sqlUser"] +
        "'@'localhost' IDENTIFIED BY '" +
        conf["sqlPass"] +
        "';")

    # And grant that SQL user access to the MoltenIron database
    SQL("GRANT ALL ON MoltenIron.* TO '" +
        conf["sqlUser"] +
        "'@'localhost';")

    return 0

if __name__ == "__main__":
    rc = main()

    sys.exit(rc)