Memulai SageMaker model dan titik akhir menggunakan AWS SDK - AWS SDKContoh Kode

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Memulai SageMaker model dan titik akhir menggunakan AWS SDK

Contoh kode berikut ini menunjukkan cara:

  • Mulai pekerjaan pelatihan dan buat SageMaker model.

  • Buat konfigurasi titik akhir.

  • Buat titik akhir, lalu bersihkan sumber daya.

SAP ABAP
SDKuntuk SAP ABAP
catatan

Ada lebih banyak tentang GitHub. Temukan contoh lengkapnya dan pelajari cara pengaturan dan menjalankannya di Repositori Contoh Kode AWS. 


    DATA lo_hyperparameters_w TYPE REF TO /aws1/cl_sgmhyperparameters_w.
    DATA lo_trn_channel TYPE REF TO /aws1/cl_sgmchannel.
    DATA lo_trn_datasource TYPE REF TO /aws1/cl_sgmdatasource.
    DATA lo_trn_s3datasource TYPE REF TO /aws1/cl_sgms3datasource.
    DATA lo_val_channel TYPE REF TO /aws1/cl_sgmchannel.
    DATA lo_val_datasource TYPE REF TO /aws1/cl_sgmdatasource.
    DATA lo_val_s3datasource TYPE REF TO /aws1/cl_sgms3datasource.
    DATA lo_algorithm_specification TYPE REF TO /aws1/cl_sgmalgorithmspec.
    DATA lo_resource_config  TYPE REF TO /aws1/cl_sgmresourceconfig.
    DATA lo_output_data_config TYPE REF TO  /aws1/cl_sgmoutputdataconfig.
    DATA lo_stopping_condition TYPE REF TO  /aws1/cl_sgmstoppingcondition.
    DATA lo_primarycontainer TYPE REF TO /aws1/cl_sgmcontainerdefn.
    DATA lo_production_variants TYPE REF TO /aws1/cl_sgmproductionvariant.
    DATA lo_ep_config_result TYPE REF TO /aws1/cl_sgmcreateendptcfgout.
    DATA lo_training_result TYPE REF TO /aws1/cl_sgmdescrtrnjobrsp.
    DATA lt_production_variants TYPE /aws1/cl_sgmproductionvariant=>tt_productionvariantlist.
    DATA lt_input_data_config TYPE /aws1/cl_sgmchannel=>tt_inputdataconfig.
    DATA lt_hyperparameters TYPE /aws1/cl_sgmhyperparameters_w=>tt_hyperparameters.
    DATA lv_model_data_url TYPE /aws1/sgmurl.

    lv_model_data_url = iv_s3_output_path && iv_training_job_name && '/output/model.tar.gz'.

    "Create ABAP internal table for hyperparameters based on input variables."
    "These hyperparameters are based on Amazon SageMaker built-in algorithm - XGBoost"
    CREATE OBJECT lo_hyperparameters_w EXPORTING iv_value = iv_hp_max_depth.
    INSERT VALUE #( key = 'max_depth' value = lo_hyperparameters_w )  INTO TABLE lt_hyperparameters.

    CREATE OBJECT lo_hyperparameters_w EXPORTING iv_value = iv_hp_eta.
    INSERT VALUE #( key = 'eta' value = lo_hyperparameters_w )  INTO TABLE lt_hyperparameters.

    CREATE OBJECT lo_hyperparameters_w EXPORTING iv_value = iv_hp_eval_metric.
    INSERT VALUE #( key = 'eval_metric' value = lo_hyperparameters_w )  INTO TABLE lt_hyperparameters.

    CREATE OBJECT lo_hyperparameters_w EXPORTING iv_value = iv_hp_scale_pos_weight.
    INSERT VALUE #( key = 'scale_pos_weight' value = lo_hyperparameters_w )  INTO TABLE lt_hyperparameters.

    CREATE OBJECT lo_hyperparameters_w EXPORTING iv_value = iv_hp_subsample.
    INSERT VALUE #( key = 'subsample' value = lo_hyperparameters_w )  INTO TABLE lt_hyperparameters.

    CREATE OBJECT lo_hyperparameters_w EXPORTING iv_value = iv_hp_objective.
    INSERT VALUE #( key = 'objective' value = lo_hyperparameters_w )  INTO TABLE lt_hyperparameters.

    CREATE OBJECT lo_hyperparameters_w EXPORTING iv_value = iv_hp_num_round.
    INSERT VALUE #( key = 'num_round' value = lo_hyperparameters_w )  INTO TABLE lt_hyperparameters.

    "Create ABAP internal table for data based on input variables."
    "Training data."
    CREATE OBJECT lo_trn_s3datasource
      EXPORTING
        iv_s3datatype             = iv_trn_data_s3datatype
        iv_s3datadistributiontype = iv_trn_data_s3datadistribution
        iv_s3uri                  = iv_trn_data_s3uri.

    CREATE OBJECT lo_trn_datasource EXPORTING io_s3datasource = lo_trn_s3datasource.

    CREATE OBJECT lo_trn_channel
      EXPORTING
        iv_channelname     = 'train'
        io_datasource      = lo_trn_datasource
        iv_compressiontype = iv_trn_data_compressiontype
        iv_contenttype     = iv_trn_data_contenttype.
    INSERT lo_trn_channel INTO TABLE lt_input_data_config.

    "Validation data."
    CREATE OBJECT lo_val_s3datasource
      EXPORTING
        iv_s3datatype             = iv_val_data_s3datatype
        iv_s3datadistributiontype = iv_val_data_s3datadistribution
        iv_s3uri                  = iv_val_data_s3uri.

    CREATE OBJECT lo_val_datasource EXPORTING io_s3datasource = lo_val_s3datasource.

    CREATE OBJECT lo_val_channel
      EXPORTING
        iv_channelname     = 'validation'
        io_datasource      = lo_val_datasource
        iv_compressiontype = iv_val_data_compressiontype
        iv_contenttype     = iv_val_data_contenttype.
    INSERT lo_val_channel INTO TABLE lt_input_data_config.

    "Create an ABAP object for algorithm specification based on input variables."
    CREATE OBJECT lo_algorithm_specification
      EXPORTING
        iv_trainingimage     = iv_training_image
        iv_traininginputmode = iv_training_input_mode.

    "Create an ABAP object for resource configuration."
    CREATE OBJECT lo_resource_config
      EXPORTING
        iv_instancecount  = iv_instance_count
        iv_instancetype   = iv_instance_type
        iv_volumesizeingb = iv_volume_sizeingb.

    "Create an ABAP object for output data configuration."
    CREATE OBJECT lo_output_data_config EXPORTING iv_s3outputpath = iv_s3_output_path.

    "Create an ABAP object for stopping condition."
    CREATE OBJECT lo_stopping_condition EXPORTING iv_maxruntimeinseconds = iv_max_runtime_in_seconds.

    TRY.
        lo_sgm->createtrainingjob(
          iv_trainingjobname           = iv_training_job_name
          iv_rolearn                   = iv_role_arn
          it_hyperparameters           = lt_hyperparameters
          it_inputdataconfig           = lt_input_data_config
          io_algorithmspecification    = lo_algorithm_specification
          io_outputdataconfig          = lo_output_data_config
          io_resourceconfig            = lo_resource_config
          io_stoppingcondition         = lo_stopping_condition
        ).
        MESSAGE 'Training job created.' TYPE 'I'.
      CATCH /aws1/cx_sgmresourceinuse.
        MESSAGE 'Resource being accessed is in use.' TYPE 'E'.
      CATCH /aws1/cx_sgmresourcenotfound.
        MESSAGE 'Resource being accessed is not found.' TYPE 'E'.
      CATCH /aws1/cx_sgmresourcelimitexcd.
        MESSAGE 'You have reached the limit on the number of resources.' TYPE 'E'.
    ENDTRY.

    "Wait for training job to be completed."
    lo_training_result = lo_sgm->describetrainingjob( iv_trainingjobname = iv_training_job_name ).
    WHILE lo_training_result->get_trainingjobstatus( ) <> 'Completed'.
      IF sy-index = 30.
        EXIT.               "Maximum 900 seconds."
      ENDIF.
      WAIT UP TO 30 SECONDS.
      lo_training_result = lo_sgm->describetrainingjob( iv_trainingjobname = iv_training_job_name ).
    ENDWHILE.

    "Create ABAP object for the container image based on input variables."
    CREATE OBJECT lo_primarycontainer
      EXPORTING
        iv_image        = iv_training_image
        iv_modeldataurl = lv_model_data_url.

    "Create an Amazon SageMaker model."
    TRY.
        lo_sgm->createmodel(
          iv_executionrolearn = iv_role_arn
          iv_modelname = iv_model_name
          io_primarycontainer = lo_primarycontainer
        ).
        MESSAGE 'Model created.' TYPE 'I'.
      CATCH /aws1/cx_sgmresourcelimitexcd.
        MESSAGE 'You have reached the limit on the number of resources.' TYPE 'E'.
    ENDTRY.

    "Create an endpoint production variant."
    CREATE OBJECT lo_production_variants
      EXPORTING
        iv_variantname          = iv_ep_variant_name
        iv_modelname            = iv_model_name
        iv_initialinstancecount = iv_ep_initial_instance_count
        iv_instancetype         = iv_ep_instance_type.
    INSERT lo_production_variants INTO TABLE lt_production_variants.

    TRY.
        "Create an endpoint configuration."
        lo_ep_config_result = lo_sgm->createendpointconfig(
          iv_endpointconfigname = iv_ep_cfg_name
          it_productionvariants = lt_production_variants
        ).
        MESSAGE 'Endpoint configuration created.' TYPE 'I'.

        "Create an endpoint."
        oo_ep_output = lo_sgm->createendpoint(        " oo_ep_output is returned for testing purposes. "
            iv_endpointconfigname = iv_ep_cfg_name
            iv_endpointname = iv_ep_name
        ).
        MESSAGE 'Endpoint created.' TYPE 'I'.
      CATCH /aws1/cx_sgmresourcelimitexcd.
        MESSAGE 'You have reached the limit on the number of resources.' TYPE 'E'.
    ENDTRY.

    "Wait for endpoint creation to be completed."
    DATA(lo_endpoint_result) = lo_sgm->describeendpoint( iv_endpointname = iv_ep_name ).
    WHILE lo_endpoint_result->get_endpointstatus( ) <> 'InService'.
      IF sy-index = 30.
        EXIT.               "Maximum 900 seconds."
      ENDIF.
      WAIT UP TO 30 SECONDS.
      lo_endpoint_result = lo_sgm->describeendpoint( iv_endpointname = iv_ep_name ).
    ENDWHILE.

    TRY.
        "Delete an endpoint."
        lo_sgm->deleteendpoint(
            iv_endpointname = iv_ep_name
        ).
        MESSAGE 'Endpoint deleted' TYPE 'I'.

        "Delete an endpoint configuration."
        lo_sgm->deleteendpointconfig(
          iv_endpointconfigname = iv_ep_cfg_name
        ).
        MESSAGE 'Endpoint configuration deleted.' TYPE 'I'.

        "Delete model."
        lo_sgm->deletemodel(
                  iv_modelname = iv_model_name
                ).
        MESSAGE 'Model deleted.' TYPE 'I'.
      CATCH /aws1/cx_rt_service_generic INTO DATA(lo_endpointconfig_exception).
        DATA(lv_endpointconfig_error) = |"{ lo_endpointconfig_exception->av_err_code }" - { lo_endpointconfig_exception->av_err_msg }|.
        MESSAGE lv_endpointconfig_error TYPE 'E'.
    ENDTRY.