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Installing Knative Serving

After you install the OpenShift Serverless Operator, you can install Knative Serving by following the procedures described in this guide.

This guide provides information about installing Knative Serving using the default settings. However, you can configure more advanced settings in the KnativeServing custom resource definition.

For more information about configuration options for the KnativeServing custom resource definition, see Advanced installation configuration options.

Creating the knative-serving namespace

When you create the knative-serving namespace, a knative-serving project will also be created.

You must complete this procedure before installing Knative Serving.

If the KnativeServing object created during Knative Serving’s installation is not created in the knative-serving namespace, it will be ignored.

Prerequisites

  • An OpenShift Container Platform account with cluster administrator access

  • Installed OpenShift Serverless Operator

Creating the knative-serving namespace using the web console

Procedure

  1. In the OpenShift Container Platform web console, navigate to Administration → Namespaces.

    Namespaces page

  2. Enter knative-serving as the Name for the project. The other fields are optional.

    Creating the `knative-eventing` namespace

  3. Click Create.

Creating the knative-serving namespace using the CLI

Procedure

  1. Create the knative-serving namespace by entering:

    $ oc create namespace knative-serving

Prerequisites

  • An OpenShift Container Platform account with cluster administrator access.

  • Installed OpenShift Serverless Operator.

  • Created the knative-serving namespace.

Installing Knative Serving using the web console

Procedure

  1. In the Administrator perspective of the OpenShift Container Platform web console, navigate to Operators → Installed Operators.

  2. Check that the Project dropdown at the top of the page is set to Project: knative-serving.

  3. Click Knative Serving in the list of Provided APIs for the OpenShift Serverless Operator to go to the Knative Serving tab.

    Installed Operators page

  4. Click the Create Knative Serving button.

    Knative Serving tab

  5. In the Create Knative Serving page, you can install Knative Serving using the default settings by clicking Create.

    You can also modify settings for the Knative Serving installation by editing the KnativeServing object using either the form provided, or by editing the YAML.

    • Using the form is recommended for simpler configurations that do not require full control of KnativeServing object creation.

    • Editing the YAML is recommended for more complex configurations that require full control of KnativeServing object creation. You can access the YAML by clicking the edit YAML link in the top right of the Create Knative Serving page.

      After you complete the form, or have finished modifying the YAML, click Create.

      For more information about configuration options for the KnativeServing custom resource definition, see the documentation on Advanced installation configuration options.
      Create Knative Serving in Form View
      Create Knative Serving in YAML view

  6. After you have installed Knative Serving, the KnativeServing object is created, and you will be automically directed to the Knative Serving tab.

    Installed Operators page

    You will see knative-serving in the list of resources.

Verification steps

  1. Click on knative-serving in the Knative Serving tab.

  2. You will be automatically directed to the Knative Serving Overview page.