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Kong Konnect

Implement and Test a Service

Create a service implementation to expose your Konnect service to clients.

When you create an implementation, you also specify the route to it. This route, combined with the proxy URL for the service, will lead to the endpoint specified in the service implementation.

Prerequisites

If you’re following the Konnect quickstart guide, make sure you have configured a service.

Implement a service version

  1. In the servicehub icon Service Hub, open a service, then pick a version.

    For example, use example_service with a version named v1.

  2. Click New Implementation.

  3. In the Create Implementation dialog, in step 1, create a new service implementation to associate with your service version.

    1. Enter a unique name for the Gateway service, or specify a Gateway service that doesn’t yet have a version connected to it.

    For the purpose of this example, enter example_gateway_service.

    The name can be any string containing letters, numbers, or the following characters: ., -, _, ~, or :. Do not use spaces.

    For example, you can use example_service, ExampleService, Example-Service. However, Example Service is invalid.

    1. In the URL field, enter http://mockbin.org.

    2. Use the defaults for the remaining fields.

    3. Click Next.

  4. Add a route to your service implementation.

    For this example, enter the following:

    • Name: mockbin
    • Method: GET
    • Path(s): Click Add Path and enter /mock

    For the remaining fields, use the default values listed.

  5. Click Create.

    The v1 service version overview displays.

    If you want to view the configuration, edit or delete the implementation, or delete the version, click the Version actions menu.

Check the Gateway service

Every time you create a service implementation, Konnect creates or connects to a parallel Kong Gateway service to proxy requests based on your configuration. Let’s check out the service you just created.

  1. From the main menu, open the runtimes icon Runtime Manager.

  2. Open the runtime group that you chose for your service version.

  3. Open Gateway Services from the sub-menu, then click on the example_gateway_service.

  4. Take a look at the tags to see the connected Konnect service: _KonnectService:example_service

You can manage your Gateway service from here, or from the Service Hub, through the service implementation. All changes will be reflected in both locations.

Verify the implementation

If you used the Docker script to create a container earlier in Configure a Runtime, your runtime’s default proxy URL is localhost:8000.

Enter the proxy URL into your browser’s address bar and append the route path you just set. The final URL should look something like this:

http://localhost:8000/mock

If successful, you should see the homepage for mockbin.org. On your service version overview page, you’ll see a record for status code 200. This might take a few moments.

And that’s it! You have your first service set up, running, and routing traffic proxied through a Kong Gateway runtime.

Summary and next steps

To summarize, in this topic you:

  • Implemented the service version v1 with the route /mock. This means if an HTTP request is sent to the Kong Gateway node and it matches route /mock, that request is sent to http://mockbin.org.
  • Abstracted a backend/upstream service and put a route of your choice on the front end, which you can now give to clients to make requests.

Next, publish the service to the Dev Portal and test out the Portal from the perspective of a developer.