text: #!/usr/bin/env 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 ambari_commons import OSCheck
  
  from resource_management.libraries.functions import conf_select
  from resource_management.libraries.functions import stack_select
  from resource_management.libraries.functions import format
  from resource_management.libraries.functions import StackFeature
  from resource_management.libraries.functions.stack_features import check_stack_feature
  from resource_management.libraries.functions.version import format_stack_version
  from resource_management.libraries.functions.default import default
  from resource_management.libraries.functions import get_kinit_path
  from resource_management.libraries.script.script import Script
  
  
  # a map of the Ambari role to the component name
  # for use with <stack-root>/current/<component>
  SERVER_ROLE_DIRECTORY_MAP = {
    'HIVE_METASTORE' : 'hive-metastore',
    'HIVE_SERVER' : 'hive-server2',
    'WEBHCAT_SERVER' : 'hive-webhcat',
    'HIVE_CLIENT' : 'hive-client',
    'HCAT' : 'hive-client',
    'HIVE_SERVER_INTERACTIVE' : 'hive-server2-hive2'
  }
  
  
  # Either HIVE_METASTORE, HIVE_SERVER, WEBHCAT_SERVER, HIVE_CLIENT, HCAT, HIVE_SERVER_INTERACTIVE
  role = default("/role", None)
  component_directory = Script.get_component_from_role(SERVER_ROLE_DIRECTORY_MAP, "HIVE_CLIENT")
  component_directory_interactive = Script.get_component_from_role(SERVER_ROLE_DIRECTORY_MAP, "HIVE_SERVER_INTERACTIVE")
  
  config = Script.get_config()
  
  stack_root = Script.get_stack_root()
  stack_version_unformatted = config['hostLevelParams']['stack_version']
  stack_version_formatted_major = format_stack_version(stack_version_unformatted)
  
  if OSCheck.is_windows_family():
    hive_metastore_win_service_name = "metastore"
    hive_client_win_service_name = "hwi"
    hive_server_win_service_name = "hiveserver2"
    webhcat_server_win_service_name = "templeton"
  else:
    hive_pid_dir = config['configurations']['hive-env']['hive_pid_dir']
    hive_pid = 'hive-server.pid'
    hive_interactive_pid = 'hive-interactive.pid'
    hive_metastore_pid = 'hive.pid'
  
    hcat_pid_dir = config['configurations']['hive-env']['hcat_pid_dir'] #hcat_pid_dir
    webhcat_pid_file = format('{hcat_pid_dir}/webhcat.pid')
  
    process_name = 'mysqld'
    if OSCheck.is_suse_family() or OSCheck.is_ubuntu_family():
      daemon_name = 'mysql'
    else:
      if OSCheck.is_redhat_family() and OSCheck.get_os_major_version() == "7":
        daemon_name = 'mariadb'
      else:
        daemon_name = 'mysqld'
  
    # Security related/required params
    hostname = config['hostname']
    security_enabled = config['configurations']['cluster-env']['security_enabled']
    kinit_path_local = get_kinit_path(default('/configurations/kerberos-env/executable_search_paths', None))
    tmp_dir = Script.get_tmp_dir()
    hdfs_user = config['configurations']['hadoop-env']['hdfs_user']
    hive_user = config['configurations']['hive-env']['hive_user']
    webhcat_user = config['configurations']['hive-env']['webhcat_user']
  
    # default configuration directories
    hadoop_conf_dir = conf_select.get_hadoop_conf_dir()
    #hadoop_bin_dir = stack_select.get_hadoop_dir("bin")
    hadoop_bin_dir = '/usr/lib/hadoop/bin'
    hive_etc_dir_prefix = "/etc/hive"
    hive_interactive_etc_dir_prefix = "/etc/hive2"
  
    hive_server_conf_dir = "/etc/hive/conf/conf.server"
    hive_server_interactive_conf_dir = "/etc/hive2/conf/conf.server"
  
    webhcat_conf_dir = format("/etc/webhcat/conf")
    hive_home_dir = format("/usr/lib/hive")
    hive_conf_dir = format("/etc/hive/conf")
    hive_client_conf_dir = format("/etc/hive/conf")
  
    if check_stack_feature(StackFeature.CONFIG_VERSIONING, stack_version_formatted_major):
      hive_server_conf_dir = format("{stack_root}/current/{component_directory}/conf/conf.server")
      hive_conf_dir = hive_server_conf_dir
  
    if check_stack_feature(StackFeature.HIVE_WEBHCAT_SPECIFIC_CONFIGS, stack_version_formatted_major):
      # this is NOT a typo. Configs for hcatalog/webhcat point to a
      # specific directory which is NOT called 'conf'
      webhcat_conf_dir = format("/etc/webhcat")
  
    # if stack version supports hive serve interactive
    if check_stack_feature(StackFeature.HIVE_SERVER_INTERACTIVE, stack_version_formatted_major):
      hive_server_interactive_conf_dir = format("/etc/hive2/conf/conf.server")
  
    hive_config_dir = hive_client_conf_dir
  
    if 'role' in config and config['role'] in ["HIVE_SERVER", "HIVE_METASTORE", "HIVE_SERVER_INTERACTIVE"]:
      hive_config_dir = hive_server_conf_dir
      
  stack_name = default("/hostLevelParams/stack_name", None)
  
  