def _run_main_command()

in awscli/customizations/emr/createdefaultroles.py [0:0]
38 lines of code
8 McCabe index (conditional complexity)

    def _run_main_command(self, parsed_args, parsed_globals):

        self.iam_endpoint_url = parsed_args.iam_endpoint

        self._check_for_iam_endpoint(self.region, self.iam_endpoint_url)
        self.emr_endpoint_url = \
            self._session.create_client(
                'emr',
                region_name=self.region,
                endpoint_url=parsed_globals.endpoint_url,
                verify=parsed_globals.verify_ssl).meta.endpoint_url

        LOG.debug('elasticmapreduce endpoint used for resolving'
                  ' service principal: ' + self.emr_endpoint_url)

        # Create default EC2 Role for EMR if it does not exist.
        ec2_result, ec2_policy = self._create_role_if_not_exists(parsed_globals, EC2_ROLE_NAME,
                                                                 EC2_ROLE_POLICY_NAME, [EC2])

        # Create default EC2 Instance Profile for EMR if it does not exist.
        instance_profile_name = EC2_ROLE_NAME
        if self.check_if_instance_profile_exists(instance_profile_name,
                                                 parsed_globals):
            LOG.debug('Instance Profile ' + instance_profile_name + ' exists.')
        else:
            LOG.debug('Instance Profile ' + instance_profile_name +
                      'does not exist. Creating default Instance Profile ' +
                      instance_profile_name)
            self._create_instance_profile_with_role(instance_profile_name,
                                                    instance_profile_name,
                                                    parsed_globals)

        # Create default EMR Role if it does not exist.
        emr_result, emr_policy = self._create_role_if_not_exists(parsed_globals, EMR_ROLE_NAME,
                                                                 EMR_ROLE_POLICY_NAME, [EMR])

        # Create default EMR AutoScaling Role if it does not exist.
        emr_autoscaling_result, emr_autoscaling_policy = \
            self._create_role_if_not_exists(parsed_globals, EMR_AUTOSCALING_ROLE_NAME,
                                            EMR_AUTOSCALING_ROLE_POLICY_NAME, [EMR, APPLICATION_AUTOSCALING])

        configutils.update_roles(self._session)
        emrutils.display_response(
            self._session,
            'create_role',
            self._construct_result(ec2_result, ec2_policy,
                                   emr_result, emr_policy,
                                   emr_autoscaling_result, emr_autoscaling_policy),
            parsed_globals)

        return 0