###############################################################################
# Copyright (c) 2015 Ericsson AB and others.
# szilard.cserey@ericsson.com
# All rights reserved. This program and the accompanying materials
# are made available under the terms of the Apache License, Version 2.0
# which accompanies this distribution, and is available at
# http://www.apache.org/licenses/LICENSE-2.0
###############################################################################


import os
import io
import yaml
import glob
import time
import shutil

from ssh_client import SSHClient

from common import (
    err,
    log,
    exec_cmd,
    parse,
    N,
    E,
    R,
    delete,
)

CLOUD_DEPLOY_FILE = 'deploy.py'
BLADE_RESTART_TIMES = 3


class CloudDeploy(object):

    def __init__(self, dea, dha, fuel_ip, fuel_username, fuel_password,
                 dea_file, fuel_plugins_conf_dir, work_dir, no_health_check,
                 deploy_timeout, no_deploy_environment, deploy_log):
        self.dea = dea
        self.dha = dha
        self.fuel_ip = fuel_ip
        self.fuel_username = fuel_username
        self.fuel_password = fuel_password
        self.dea_file = dea_file
        self.updated_dea_file = (
            '%s/.%s' % (os.path.dirname(self.dea_file),
            os.path.basename(self.dea_file)))
        shutil.copy2(self.dea_file, self.updated_dea_file)
        self.fuel_plugins_conf_dir = fuel_plugins_conf_dir
        self.work_dir = work_dir
        self.no_health_check = no_health_check
        self.deploy_timeout = deploy_timeout
        self.no_deploy_environment = no_deploy_environment
        self.deploy_log = deploy_log
        self.file_dir = os.path.dirname(os.path.realpath(__file__))
        self.ssh = SSHClient(self.fuel_ip, self.fuel_username,
                             self.fuel_password)
        self.node_ids = self.dha.get_node_ids()
        self.wanted_release = self.dea.get_property('wanted_release')
        self.blade_node_dict = {}
        self.macs_per_blade = {}

    def merge_plugin_config_files_to_dea_file(self):
        plugins_conf_dir = (
            self.fuel_plugins_conf_dir if self.fuel_plugins_conf_dir
            else '%s/plugins_conf' % os.path.dirname(self.dea_file))
        if os.path.isdir(plugins_conf_dir):
            with io.open(self.updated_dea_file) as stream:
                updated_dea = yaml.load(stream)
            for plugin_file in glob.glob('%s/*.yaml' % plugins_conf_dir):
                with io.open(plugin_file) as stream:
                    plugin_conf = yaml.load(stream)
                updated_dea['settings']['editable'].update(plugin_conf)
            with io.open(self.updated_dea_file, 'w') as stream:
                yaml.dump(updated_dea, stream, default_flow_style=False)

    def upload_cloud_deployment_files(self):
        with self.ssh as s:
            s.exec_cmd('rm -rf %s' % self.work_dir, False)
            s.exec_cmd('mkdir %s' % self.work_dir)
            s.scp_put(self.updated_dea_file, '%s/%s' % (
                self.work_dir, os.path.basename(self.dea_file)))
            s.scp_put('%s/common.py' % self.file_dir, self.work_dir)
            s.scp_put('%s/dea.py' % self.file_dir, self.work_dir)
            for f in glob.glob('%s/cloud/*' % self.file_dir):
                s.scp_put(f, self.work_dir)

    def power_off_nodes(self):
        for node_id in self.node_ids:
            self.dha.node_power_off(node_id)

    def power_on_nodes(self):
        for node_id in self.node_ids:
            self.dha.node_power_on(node_id)

    def set_boot_order(self, boot_order_list):
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