14.2. Custom domain mapping


You can customize the domain for your Knative service by mapping a custom domain name that you own to a Knative service. To map a custom domain name to a custom resource (CR), you must create a DomainMapping CR that maps to an Addressable target CR, such as a Knative service or a Knative route.

14.2.1. Creating a custom domain mapping

You can customize the domain for your Knative service by mapping a custom domain name that you own to a Knative service. To map a custom domain name to a custom resource (CR), you must create a DomainMapping CR that maps to an Addressable target CR, such as a Knative service or a Knative route.

Prerequisites

  • The OpenShift Serverless Operator and Knative Serving are installed on your cluster.
  • Install the OpenShift CLI (oc).
  • You have created a project or have access to a project with the appropriate roles and permissions to create applications and other workloads in OpenShift Container Platform.
  • You have created a Knative service and control a custom domain that you want to map to that service.

    注記

    Your custom domain must point to the IP address of the OpenShift Container Platform cluster.

Procedure

  1. Create a YAML file containing the DomainMapping CR in the same namespace as the target CR you want to map to:

    apiVersion: serving.knative.dev/v1beta1
    kind: DomainMapping
    metadata:
     name: <domain_name> 
    1
    
     namespace: <namespace> 
    2
    
    spec:
     ref:
       name: <target_name> 
    3
    
       kind: <target_type> 
    4
    
       apiVersion: serving.knative.dev/v1
    1
    The custom domain name that you want to map to the target CR.
    2
    The namespace of both the DomainMapping CR and the target CR.
    3
    The name of the target CR to map to the custom domain.
    4
    The type of CR being mapped to the custom domain.

    Example service domain mapping

    apiVersion: serving.knative.dev/v1beta1
    kind: DomainMapping
    metadata:
     name: example.com
     namespace: default
    spec:
     ref:
       name: showcase
       kind: Service
       apiVersion: serving.knative.dev/v1

    Example route domain mapping

    apiVersion: serving.knative.dev/v1beta1
    kind: DomainMapping
    metadata:
     name: example.com
     namespace: default
    spec:
     ref:
       name: example-route
       kind: Route
       apiVersion: serving.knative.dev/v1

  2. Apply the DomainMapping CR as a YAML file:

    $ oc apply -f <filename>
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