#!/bin/env python
# -*- coding: utf-8 -*-
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# 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
#
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# KIND, either express or implied.  See the License for the
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"""
This module init Palo runtime environment.
Date:    2015/10/07 17:23:06
"""

import threading
import execute
import env_config
import stop


def clean_one_fe(host_name):
    """clean one fe
    """
    stop.stop_one_fe(host_name)
    cmd = 'cd %s;rm PALO-FE -rf' % env_config.palo_path
    status, output = execute.exe_cmd(cmd, host_name)


def clean_fe():
    """clean fe
    """
    clean_fe_threads = []
    for host_name in [env_config.master] + env_config.follower_list + \
            env_config.observer_list + env_config.dynamic_add_fe_list:
        t = threading.Thread(target=clean_one_fe, args=(host_name,))
        t.start()
        clean_fe_threads.append(t)

    for t in clean_fe_threads:
        t.join()


def clean_one_be(host_name):
    """clean one be
    """
    stop.stop_one_be(host_name)
    cmd = 'cd %s;rm PALO-BE -rf' % (env_config.palo_path)
    status, output = execute.exe_cmd(cmd, host_name)


def clean_be():
    """clean be
    """
    clean_be_threads = []
    for host_name in env_config.be_list + env_config.dynamic_add_be_list:
        t = threading.Thread(target=clean_one_be, args=(host_name,))
        t.start()
        clean_be_threads.append(t)

    for t in clean_be_threads:
        t.join()


def clean_palo():
    """clean palo
    """
    clean_fe()
    clean_be()


if __name__ == '__main__':
    clean_palo()