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 resource_management.libraries.functions.format import format
  from resource_management.libraries.functions.show_logs import show_logs
  from resource_management.core.resources.system import Execute
  
  def ranger_service(name, action=None):
    import params
  
    env_dict = {'JAVA_HOME': params.java_home}
    if params.db_flavor.lower() == 'sqla':
      env_dict = {'JAVA_HOME': params.java_home, 'LD_LIBRARY_PATH': params.ld_lib_path}
  
    if name == 'ranger_admin':
      no_op_test = format('ps -ef | grep proc_rangeradmin | grep -v grep')
      try:
        Execute(params.ranger_start, environment=env_dict, user=params.unix_user, not_if=no_op_test)
      except:
        show_logs(params.admin_log_dir, params.unix_user)
        raise
    elif name == 'ranger_usersync':
      no_op_test = format('ps -ef | grep proc_rangerusersync | grep -v grep')
      try:
        Execute(params.usersync_start,
                environment=env_dict,
                not_if=no_op_test,
                user=params.unix_user
        )
      except:
        show_logs(params.usersync_log_dir, params.unix_user)
        raise
    elif name == 'ranger_tagsync' and params.stack_supports_ranger_tagsync:
      no_op_test = format('ps -ef | grep proc_rangertagsync | grep -v grep')
      cmd = format('{tagsync_services_file} start')
      try:
        Execute(cmd,
          environment=env_dict,
          user=params.unix_user,
          not_if=no_op_test
        )
      except:
        show_logs(params.tagsync_log_dir, params.unix_user)
        raise