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Instructions to run end-to-end demo

Chapters

I. Installation of KServe & its dependencies

II. Setting up local MinIO S3 storage

III. Setting up your OpenShift AI workbench

IV. Train model and evaluate

V. Convert model to Caikit format and save to S3 storage

V. Deploy model onto Caikit-TGIS Serving Runtime

VI. Model inference

Prerequisites

  • To support training and inference, your cluster needs a node with CPUS, 4 GPUs, and GB memory. Instructions to add GPU support to RHOAI can be found here.
  • You have a cluster administrator permissions
  • You have installed the OpenShift CLI (oc)
  • You have installed the Red Hat OpenShift Service Mesh Operator
  • You have installed the Red Hat OpenShift Serverless Operator
  • You have installed the Red Hat OpenShift AI Operator and created a DataScienceCluster object

Installation of KServe & its dependencies

Instructions adapted from Manually installing KServe

  1. Git clone this repository

    git clone https://github.com/trustyai-explainability/trustyai-detoxify-sft.git
    
  2. Login to your OpenShift cluster as a cluster adminstrator

    oc login --token=<token>
    
  3. Create the required namespace for Red Hat OpenShift Service Mesh

    oc create ns istio-system
    
  4. Create a ServiceMeshControlPlane object

    oc apply -f manifests/kserve/smcp.yaml -n istio-system
    
  5. Sanity check to verify creation of the service mesh instance

    oc get pods -n istio-system
    

    Expected output:

    NAME                                          READY   STATUS   	  RESTARTS    AGE
    istio-egressgateway-7c46668687-fzsqj          1/1     Running     0           22h
    istio-ingressgateway-77f94d8f85-fhsp9         1/1     Running     0           22h
    istiod-data-science-smcp-cc8cfd9b8-2rkg4      1/1     Running     0           22h
    
  6. Create the required namespace for a KnativeServing instance

    oc create ns knative-serving
    
  7. Create a ServiceMeshMember object

    oc apply -f manifests/kserve/default-smm.yaml -n knative-serving
    
  8. Create and define a KnativeServing object

    oc apply -f manifests/kserve/knativeserving-istio.yaml -n knative-serving
    
  9. Sanity check to validate creation of the Knative Serving instance

    oc get pods -n knative-serving
    

    Expected output:

    NAME                                     	READY       STATUS    	RESTARTS   	AGE
    activator-7586f6f744-nvdlb               	2/2         Running   	0          	22h
    activator-7586f6f744-sd77w               	2/2         Running   	0          	22h
    autoscaler-764fdf5d45-p2v98             	2/2         Running   	0          	22h
    autoscaler-764fdf5d45-x7dc6              	2/2         Running   	0          	22h
    autoscaler-hpa-7c7c4cd96d-2lkzg          	1/1         Running   	0          	22h
    autoscaler-hpa-7c7c4cd96d-gks9j         	1/1         Running   	0          	22h
    controller-5fdfc9567c-6cj9d              	1/1         Running   	0          	22h
    controller-5fdfc9567c-bf5x7              	1/1         Running   	0          	22h
    domain-mapping-56ccd85968-2hjvp          	1/1         Running   	0          	22h
    domain-mapping-56ccd85968-lg6mw          	1/1         Running   	0          	22h
    domainmapping-webhook-769b88695c-gp2hk   	1/1         Running     0          	22h
    domainmapping-webhook-769b88695c-npn8g   	1/1         Running   	0          	22h
    net-istio-controller-7dfc6f668c-jb4xk    	1/1         Running   	0          	22h
    net-istio-controller-7dfc6f668c-jxs5p    	1/1         Running   	0          	22h
    net-istio-webhook-66d8f75d6f-bgd5r       	1/1         Running   	0          	22h
    net-istio-webhook-66d8f75d6f-hld75      	1/1         Running   	0          	22h
    webhook-7d49878bc4-8xjbr                 	1/1         Running   	0          	22h
    webhook-7d49878bc4-s4xx4                 	1/1         Running   	0          	22h
    
  10. From the web console, install KServe by going to Operators -> Installed Operators and click on the Red Hat OpenShift AI Operator

  11. Click on the DSC Intialization tab and click on the default-dsci object

  12. Click on the YAML tab and in the spec section, change the serviceMesh.managementState to Unmanaged

    spec:
    serviceMesh:
    managementState: Unmanaged
    
  13. Click Save

  14. Click on the Data Science Cluster tab and click on the default-dsc object

  15. Click on the YAML tab and in the spec section, change the components.kserve.managementState and the components.kserve.serving.managementState to Managed

    spec:
    components:
    kserve:
        managementState: Managed
        serving:
            managementState: Managed
    
    
  16. Click Save

Setting up local MinIO S3 storage

  1. Create a namespace for your project called "detoxify-sft"

    oc create namespace detoxify-sft
    
  2. Set up your local MinIO S3 storage in your newly created namespace

    oc apply -f manifests/minio/setup-s3.yaml -n detoxify-sft
    
  3. Run the following sanity checks

    oc get pods -n detoxify-sft | grep "minio"
    

    Expected output:

    NAME                                     	READY       STATUS    	RESTARTS   	AGE
    minio-7586f6f744-nvdl                       1/1         Running     0           22h
    
    oc get route -n detoxify-sft | grep "minio"
    

    Expected output:

    NAME                                        STATUS    	LOCATION   	            SERVICE
    minio-api                                   Accepted    https://minio-api...    minio-service
    minio-ui                                    Accepted    https://minio-ui...     minio-service
    
  4. Get the MinIO UI location URL and open it in a web browser

    oc get route minio-ui -n detoxify-sft
    
  5. Login using the credentials in manifests/minio/setup-s3.yaml

    user: minio

    password: minio123

  6. Click on Create a Bucket and choose a name for your bucket and click on Create Bucket

Setting up your OpenShift AI workbench

  1. Go to Red Hat OpenShift AI from the web console

  2. Click on Data Science Projects and then click on Create data science project

  3. Give your project a name and then click Create

  4. Click on the Workbenches tab and then create a workbench with a Pytorch notebook image, set the container size to Large, and select a single NVIDIA GPU. Click on Create Workbench

  5. Click on Add data connection to create a matching data connection for MinIO

  6. Fill out the required fields and then click on Add data collection

  7. Once your workbench status changes from Starting to Running, click on Open to open JupyterHub in a web browser

  8. In your JupyterHub environment, launch a terminal and clone this project

    git clone https://github.com/trustyai-explainability/trustyai-detoxify-sft.git
    
  9. Go into the notebooks directory

Train model and evaluate

  1. Open the 01-sft.ipynb file

  2. Run each cell in the notebook

  3. Once the model trained and uploaded to HuggingFace Hub, open the 02-eval.ipynb file and run each cell to compare the model trained on raw input-output pairs vs. the one trained on detoxified prompts

Convert model to Caikit format and save to S3 storage

  1. Open the 03-save_convert_model.ipynb and run each cell in the notebook to convert the model Caikit format and save it to a MinIO bucket

Deploy model onto Caikit-TGIS Serving Runtime

  1. In the OpenShift AI dashboard, navigate to the project details page and click the Models tab

  2. In the Single-model serving platform tile, click on deploy model. Provide the following values:

    Model Name: opt-350m-caikit

    Serving Runtime: Caikit-TGIS Serving Runtime

    Model framework: caikit

    Existing data connection: My Storage

    Path: models/opt-350m-caikit

  3. Click Deploy

  4. Increase the initialDelaySeconds

    oc patch template caikit-tgis-serving-template  --type=='merge' -p '{"spec":{"containers":[{"readinessProbe":"initialDelaySeconds":300, "livenessProbe":"initialDelaySeconds":300}]}}'
    
  5. Wait for the model Status to show a green checkmark

Model inference

  1. Return to the JupyterHub environment to test out the deployed model

  2. Click on 03-inference_request.ipynb and run each cell to make an inference request to the detoxified model