#!/usr/bin/python

# *****************************************************************************
#
# Licensed to the Apache Software Foundation (ASF) under one
# or more contributor license agreements.  See the NOTICE file
# distributed with this work for additional information
# regarding copyright ownership.  The ASF licenses this file
# to you 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.
#
# ******************************************************************************

from fabric.api import *
from fabric.contrib.files import exists
from dlab.edge_lib import configure_http_proxy_server
import argparse
import json
import sys

parser = argparse.ArgumentParser()
parser.add_argument('--hostname', type=str, default='')
parser.add_argument('--keyfile', type=str, default='')
parser.add_argument('--user', type=str, default='')
parser.add_argument('--additional_config', type=str, default='{"empty":"string"}')
args = parser.parse_args()

##############
# Run script #
##############
if __name__ == "__main__":
    print("Configure connections")
    try:
        env['connection_attempts'] = 100
        env.key_filename = [args.keyfile]
        env.host_string = '{}@{}'.format(args.user, args.hostname)
        deeper_config = json.loads(args.additional_config)
    except:
        sys.exit(2)

    print("Installing proxy for notebooks.")
    configure_http_proxy_server(deeper_config)