Amazon Lookout for Vision モデルの停止

以下の値を変更します。

aws lookoutvision stop-model --project-name "project name"\
    --model-version model version \
  --profile lookoutvision-access

このコードは、AWS ドキュメンテーション SDK サンプル GitHub リポジトリから引用されたものです。詳しい事例はこちらです。

    @staticmethod
    def stop_model(lookoutvision_client, project_name, model_version):
        """
        Stops a running Lookout for Vision Model.

        :param lookoutvision_client: A Boto3 Lookout for Vision client.
        :param project_name: The name of the project that contains the version of
                             the model that you want to stop hosting.
        :param model_version:  The version of the model that you want to stop hosting.
        """
        try:
            logger.info("Stopping model version %s for %s", model_version, project_name)
            response = lookoutvision_client.stop_model(
                ProjectName=project_name, ModelVersion=model_version
            )
            logger.info("Stopping hosting...")

            status = response["Status"]
            finished = False

            # Wait until stopped or failed.
            while finished is False:
                model_description = lookoutvision_client.describe_model(
                    ProjectName=project_name, ModelVersion=model_version
                )
                status = model_description["ModelDescription"]["Status"]

                if status == "STOPPING_HOSTING":
                    logger.info("Host stopping in progress...")
                    time.sleep(10)
                    continue

                if status == "TRAINED":
                    logger.info("Model is no longer hosted.")
                    finished = True
                    continue

                logger.info("Failed to stop model: %s ", status)
                finished = True

            if status != "TRAINED":
                logger.error("Error stopping model: %s", status)
                raise Exception(f"Error stopping model: {status}")
        except ClientError:
            logger.exception("Couldn't stop hosting model.")
            raise

このコードは、AWS ドキュメンテーション SDK サンプル GitHub リポジトリから引用されたものです。詳しい事例はこちらです。

/**
 * Stops the hosting an Amazon Lookout for Vision model. Returns when model has
 * stopped or if hosting fails.
 * 
 * @param lfvClient   An Amazon Lookout for Vision client.
 * @param projectName The name of the project that contains the model that you
 *                    want to stop hosting.
 * @modelVersion The version of the model that you want to stop hosting.
 * @return ModelDescription The description of the model, which includes the
 *         model hosting status.
 */

public static ModelDescription stopModel(LookoutVisionClient lfvClient, String projectName,
                String modelVersion) throws LookoutVisionException, InterruptedException {

        logger.log(Level.INFO, "Stopping Model version {0} for project {1}.",
                        new Object[] { modelVersion, projectName });

        StopModelRequest stopModelRequest = StopModelRequest.builder()
                        .projectName(projectName)
                        .modelVersion(modelVersion)
                        .build();

        // Stop hosting the model.

        lfvClient.stopModel(stopModelRequest);

        DescribeModelRequest describeModelRequest = DescribeModelRequest.builder()
                        .projectName(projectName)
                        .modelVersion(modelVersion)
                        .build();

        ModelDescription modelDescription = null;

        boolean finished = false;
        // Wait until model is stopped or failure occurs.
        do {

                modelDescription = lfvClient.describeModel(describeModelRequest).modelDescription();

                switch (modelDescription.status()) {

                        case TRAINED:
                                logger.log(Level.INFO, "Model version {0} for project {1} has stopped.",
                                                new Object[] { modelVersion, projectName });
                                finished = true;
                                break;

                        case STOPPING_HOSTING:
                                logger.log(Level.INFO, "Model version {0} for project {1} is stopping.",
                                                new Object[] { modelVersion, projectName });

                                TimeUnit.SECONDS.sleep(60);

                                break;

                        default:
                                logger.log(Level.SEVERE,
                                                "Unexpected error when stopping model version {0} for project {1}: {2}.",
                                                new Object[] { projectName, modelVersion,
                                                                modelDescription.status() });
                                finished = true;
                                break;

                }

        } while (!finished);

        logger.log(Level.INFO, "Finished stopping model version {0} for project {1} status: {2}",
                        new Object[] { modelVersion, projectName, modelDescription.statusMessage() });

        return modelDescription;

}