def _build_ec2_attributes()

in awscli/customizations/emr/createcluster.py [0:0]
55 lines of code
11 McCabe index (conditional complexity)

    def _build_ec2_attributes(self, cluster, parsed_attrs):
        keys = parsed_attrs.keys()
        instances = cluster['Instances']

        if ('SubnetId' in keys and 'SubnetIds' in keys):
            raise exceptions.MutualExclusiveOptionError(
                option1="SubnetId",
                option2="SubnetIds")

        if ('AvailabilityZone' in keys and 'AvailabilityZones' in keys):
            raise exceptions.MutualExclusiveOptionError(
                option1="AvailabilityZone",
                option2="AvailabilityZones")

        if ('SubnetId' in keys or 'SubnetIds' in keys) \
                and ('AvailabilityZone' in keys or 'AvailabilityZones' in keys):
            raise exceptions.SubnetAndAzValidationError

        emrutils.apply_params(
            src_params=parsed_attrs, src_key='KeyName',
            dest_params=instances, dest_key='Ec2KeyName')
        emrutils.apply_params(
            src_params=parsed_attrs, src_key='SubnetId',
            dest_params=instances, dest_key='Ec2SubnetId')
        emrutils.apply_params(
            src_params=parsed_attrs, src_key='SubnetIds',
            dest_params=instances, dest_key='Ec2SubnetIds')

        if 'AvailabilityZone' in keys:
            instances['Placement'] = dict()
            emrutils.apply_params(
                src_params=parsed_attrs, src_key='AvailabilityZone',
                dest_params=instances['Placement'],
                dest_key='AvailabilityZone')

        if 'AvailabilityZones' in keys:
            instances['Placement'] = dict()
            emrutils.apply_params(
                src_params=parsed_attrs, src_key='AvailabilityZones',
                dest_params=instances['Placement'],
                dest_key='AvailabilityZones')

        emrutils.apply_params(
            src_params=parsed_attrs, src_key='InstanceProfile',
            dest_params=cluster, dest_key='JobFlowRole')

        emrutils.apply_params(
            src_params=parsed_attrs, src_key='EmrManagedMasterSecurityGroup',
            dest_params=instances, dest_key='EmrManagedMasterSecurityGroup')

        emrutils.apply_params(
            src_params=parsed_attrs, src_key='EmrManagedSlaveSecurityGroup',
            dest_params=instances, dest_key='EmrManagedSlaveSecurityGroup')

        emrutils.apply_params(
            src_params=parsed_attrs, src_key='ServiceAccessSecurityGroup',
            dest_params=instances, dest_key='ServiceAccessSecurityGroup')

        emrutils.apply_params(
            src_params=parsed_attrs, src_key='AdditionalMasterSecurityGroups',
            dest_params=instances, dest_key='AdditionalMasterSecurityGroups')

        emrutils.apply_params(
            src_params=parsed_attrs, src_key='AdditionalSlaveSecurityGroups',
            dest_params=instances, dest_key='AdditionalSlaveSecurityGroups')

        emrutils.apply(params=cluster, key='Instances', value=instances)

        return cluster