def _verify_emrfs_args()

in awscli/customizations/emr/emrfsutils.py [0:0]

• 31 lines of code
• 17 McCabe index (conditional complexity)

def _verify_emrfs_args(emrfs_args):
    # Encryption should have a valid value
    if 'Encryption' in emrfs_args \
            and emrfs_args['Encryption'].upper() not in ENCRYPTION_TYPES:
        raise exceptions.UnknownEncryptionTypeError(
            encryption=emrfs_args['Encryption'])

    # Only one of SSE and Encryption should be configured
    if 'SSE' in emrfs_args and 'Encryption' in emrfs_args:
        raise exceptions.BothSseAndEncryptionConfiguredError(
            sse=emrfs_args['SSE'], encryption=emrfs_args['Encryption'])

    # CSE should be configured correctly
    # ProviderType should be present and should have valid value
    # Given the type, the required parameters should be present
    if ('Encryption' in emrfs_args and
            emrfs_args['Encryption'].upper() == constants.EMRFS_CLIENT_SIDE):
        if 'ProviderType' not in emrfs_args:
            raise exceptions.MissingParametersError(
                object_name=CSE_OPTION_NAME, missing='ProviderType')
        elif emrfs_args['ProviderType'].upper() not in CSE_PROVIDER_TYPES:
            raise exceptions.UnknownCseProviderTypeError(
                provider_type=emrfs_args['ProviderType'])
        elif emrfs_args['ProviderType'].upper() == 'KMS':
            _verify_required_args(emrfs_args.keys(), CSE_KMS_REQUIRED_KEYS,
                                  CSE_KMS_OPTION_NAME)
        elif emrfs_args['ProviderType'].upper() == 'CUSTOM':
            _verify_required_args(emrfs_args.keys(), CSE_CUSTOM_REQUIRED_KEYS,
                                  CSE_CUSTOM_OPTION_NAME)

    # No child attributes should be present if the parent feature is not
    # configured
    if 'Consistent' not in emrfs_args:
        _verify_child_args(emrfs_args.keys(), CONSISTENT_OPTIONAL_KEYS,
                           CONSISTENT_OPTION_NAME)
    if not _need_to_configure_cse(emrfs_args, 'KMS'):
        _verify_child_args(emrfs_args.keys(), CSE_KMS_REQUIRED_KEYS,
                           CSE_KMS_OPTION_NAME)
    if not _need_to_configure_cse(emrfs_args, 'CUSTOM'):
        _verify_child_args(emrfs_args.keys(), CSE_CUSTOM_REQUIRED_KEYS,
                           CSE_CUSTOM_OPTION_NAME)