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Verifying your serverless application deployment

To verify that your serverless application has been deployed successfully, you must get the application URL created by Knative, and then send a request to that URL and observe the output. OpenShift Serverless supports the use of both HTTP and HTTPS URLs, however the output from oc get ksvc always prints URLs using the http:// format.

Verifying your serverless application deployment

To verify that your serverless application has been deployed successfully, you must get the application URL created by Knative, and then send a request to that URL and observe the output. OpenShift Serverless supports the use of both HTTP and HTTPS URLs, however the output from oc get ksvc always prints URLs using the http:// format.

Prerequisites

  • OpenShift Serverless Operator and Knative Serving are installed on your cluster.

  • You have installed the oc CLI.

  • You have created a Knative service.

Prerequisites

  • Install the OpenShift CLI (oc).

Procedure

  1. Find the application URL:

    $ oc get ksvc <service_name>
    Example output
    NAME            URL                                        LATESTCREATED         LATESTREADY           READY   REASON
event-delivery   http://event-delivery-default.example.com   event-delivery-4wsd2   event-delivery-4wsd2   True

  2. Make a request to your cluster and observe the output.

    Example HTTP request
    $ curl http://event-delivery-default.example.com
    Example HTTPS request
    $ curl https://event-delivery-default.example.com
    Example output
    Hello Serverless!

  3. Optional. If you receive an error relating to a self-signed certificate in the certificate chain, you can add the --insecure flag to the curl command to ignore the error:

    $ curl https://event-delivery-default.example.com --insecure
    Example output
    Hello Serverless!

    Self-signed certificates must not be used in a production deployment. This method is only for testing purposes.

  4. Optional. If your OpenShift Container Platform cluster is configured with a certificate that is signed by a certificate authority (CA) but not yet globally configured for your system, you can specify this with the curl command. The path to the certificate can be passed to the curl command by using the --cacert flag:

    $ curl https://event-delivery-default.example.com --cacert <file>
    Example output
    Hello Serverless!