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.
  
  """
  
  import sys
  from resource_management.libraries.functions import check_process_status
  from resource_management.libraries.script import Script
  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.core.resources.system import Execute
  from resource_management.libraries.functions.stack_features import check_stack_feature
  from resource_management.libraries.functions import StackFeature
  from storm import storm
  from service import service
  from service_check import ServiceCheck
  from resource_management.libraries.functions.security_commons import build_expectations, \
      cached_kinit_executor, get_params_from_filesystem, validate_security_config_properties, \
      FILE_TYPE_JAAS_CONF
  
  class PaceMaker(Script):
  
    def get_component_name(self):
        return "storm-client"
  
    def install(self, env):
        self.install_packages(env)
        self.configure(env)
  
    def configure(self, env):
        import params
        env.set_params(params)
        storm()
  
    def pre_upgrade_restart(self, env, upgrade_type=None):
        import params
        env.set_params(params)
  
        if params.version and check_stack_feature(StackFeature.ROLLING_UPGRADE, params.version):
          conf_select.select(params.stack_name, "storm", params.version)
          stack_select.select("storm-client", params.version)
  
    def start(self, env, upgrade_type=None):
        import params
        env.set_params(params)
        self.configure(env)
  
        service("pacemaker", action="start")
  
    def stop(self, env, upgrade_type=None):
        import params
        env.set_params(params)
  
        service("pacemaker", action="stop")
  
    def status(self, env):
        import status_params
        env.set_params(status_params)
        check_process_status(status_params.pid_pacemaker)
  
    def security_status(self, env):
        import status_params
  
        env.set_params(status_params)
  
        if status_params.security_enabled:
            # Expect the following files to be available in status_params.config_dir:
            #   storm_jaas.conf
  
            try:
                props_value_check = None
                props_empty_check = ['StormServer/keyTab', 'StormServer/principal']
                props_read_check = ['StormServer/keyTab']
                storm_env_expectations = build_expectations('storm_jaas', props_value_check, props_empty_check,
                                                            props_read_check)
  
                storm_expectations = {}
                storm_expectations.update(storm_env_expectations)
  
                security_params = get_params_from_filesystem(status_params.conf_dir,
                                                       {'storm_jaas.conf': FILE_TYPE_JAAS_CONF})
  
                result_issues = validate_security_config_properties(security_params, storm_expectations)
                if not result_issues:  # If all validations passed successfully
                    # Double check the dict before calling execute
                    if ( 'storm_jaas' not in security_params
                         or 'StormServer' not in security_params['storm_jaas']
                         or 'keyTab' not in security_params['storm_jaas']['StormServer']
                         or 'principal' not in security_params['storm_jaas']['StormServer']):
                        self.put_structured_out({"securityState": "ERROR"})
                        self.put_structured_out({"securityIssuesFound": "Keytab file or principal are not set property."})
                        return
  
                    cached_kinit_executor(status_params.kinit_path_local,
                                          status_params.storm_user,
                                          security_params['storm_jaas']['StormServer']['keyTab'],
                                          security_params['storm_jaas']['StormServer']['principal'],
                                          status_params.hostname,
                                          status_params.tmp_dir)
                    self.put_structured_out({"securityState": "SECURED_KERBEROS"})
                else:
                    issues = []
                    for cf in result_issues:
                        issues.append("Configuration file %s did not pass the validation. Reason: %s" % (cf, result_issues[cf]))
                        self.put_structured_out({"securityIssuesFound": ". ".join(issues)})
                        self.put_structured_out({"securityState": "UNSECURED"})
            except Exception as e:
                self.put_structured_out({"securityState": "ERROR"})
                self.put_structured_out({"securityStateErrorInfo": str(e)})
        else:
          self.put_structured_out({"securityState": "UNSECURED"})
  
    def get_log_folder(self):
        import params
        return params.log_dir
  
    def get_user(self):
        import params
        return params.storm_user
  
  if __name__ == "__main__":
      PaceMaker().execute()
  