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Deploy Commerce Mock Application in the Kyma Runtime

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Deploy Commerce Mock Application in the Kyma Runtime
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Deploy Commerce Mock Application in the Kyma Runtime

Jamie Cawley
Jamie Cawley
March 22, 2021
Created by
Jamie Cawley
October 8, 2020
Intermediate
30 min.
SAP BTP, Kyma runtime, Intermediate, Tutorial, SAP Business Technology Platform, Cloud
Deploy and connect the Commerce mock application to the Kyma runtime.

You will learn

  • How to create a Namespace in the Kyma runtime
  • How to deploy the Kyma mock application, which includes a Kyma APIRule to expose the API to the Internet
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Prerequisites

  • GIT installed

The Kyma mock application contains lightweight substitutes for SAP applications to ease the development and testing of extension and integration scenarios based on Varkes. Together with SAP BTP, Kyma runtime, it allows for efficient implementation of application extensions without the need to access the real SAP applications during development.

Step 1: Clone the Git repository
View Full Instructions

  1. The Kyma mock applications can be found in the xf-application-mocks repository. Within the repo you can find each of the mock applications and their Deployment files within the respective folder. The process outlined in the tutorial is the same for each, but focuses on configuring the Commerce mock.

  2. Download the code by choosing the green Code button and then choosing one of the options to download the code locally.

    You can instead run the following command within your CLI at your desired folder location:

    git clone https://github.com/SAP-samples/xf-application-mocks
Done
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Step 2: Apply resources to Kyma runtime

  1. Open the Kyma console and create the dev Namespace by choosing Add new namespace, providing the name dev, and choosing Create.

    Add Namespace Step 1

    Namespaces separate objects inside a Kubernetes cluster. The concept is similar to folders in a file system. Each Kubernetes cluster has a default namespace to begin with.

  2. Open the dev Namespace by choosing the tile, if it is not already open.

  3. Apply the Deployment of the mock application to the dev Namespace by choosing the menu option Workloads > Overview if not already open. Within the Overview dialog, choose the Deploy new workload -> Upload YAML option and using the Browse option, choose the k8s.yaml file. Choose Deploy.

    Add Namespace Step 1

    The new deployment is represented as declarative YAML object which describes what you want to run inside your namespace. You can find the file at /xf-application-mocks/commerce-mock/deployment/k8s.yaml.

  4. Apply the APIRule of the mock application to the dev Namespace by choosing the Deploy new workload option, using the Browse option to choose the kyma.yaml file. Choose Deploy. The APIRule exposes the resource to the Internet without any authentication. You may choose to remove the APIRule when not in use.

    Even API rules can be created by describing them within YAML files. You can find the file at at /xf-application-mocks/commerce-mock/deployment/kyma.yaml.

Done
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Step 3: Open Commerce mock application

  1. Open the APIRules in the Kyma console within the dev Namespace by choosing the Discovery and Network > APIRules menu option.

  2. Open the mock application in the browser by choosing the Host value https://commerce.*******.kyma.shoot.live.k8s-hana.ondemand.com. If you receive the error upstream connect..., the application may have not finished starting. Wait for a minute or two and try again.

  3. Leave the mock application open in the browser, it will be used in a later step.

Mock Application Step 3

Done
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Step 4: Create a System

In this step, you will create a System in the SAP BTP which will be used to pair the mock application to the Kyma runtime. This step will be performed at the Global account level of your SAP BTP account.

  1. Open your global SAP BTP account and choose the System Landscape > Systems menu options.

  2. Choose the Register System option, provide the name commerce-mock, set the type to SAP Commerce Cloud and then choose Register.

    Pairing Step 2

  3. Copy the Token value and close the window. This value will expire in five minutes and will be needed in a subsequent step.

    If the token expires before use, you can obtain a new one by choosing the Display Token option shown next to the entry in the Systems list.

    Pairing Step 3
Done
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Step 5: Create a Formation

In this step, you will create a Formation. A Formation is used to connect one or more Systems created in the SAP BTP to a runtime. This step will be performed at the Global account level of your SAP BTP account.

  1. Within your global SAP BTP account, choose the System Landscape > Formations menu options. Choose the Create Formation option.

  2. Provide a Name, choose your Subaccount where the Kyma runtime is enabled, choose the commerce-mock System. Choose Create.

    Formation Step 2
What is the function of a Formation?
×
Step 6: Pair an application

The pairing process will establish a trust between the Commerce mock application and in this case the SAP Kyma runtime. Once the pairing is complete, the registration of APIs and business events can be performed. This process allow developers to utilize the APIs and business events with the authentication aspects handled automatically.

  1. Navigate back to the mock application browser window and choose Connect. Paste the copied value in the token text area and then choose Connect. If the token has expired, you may receive an error. Simply return to [Step 4: ](Create a System) and generate a new token.

    Pairing Step 4

  2. Choose Register All to register the APIs and events from the mock application.

    Pairing Step 5
Done
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Step 7: Verify setup

  1. Navigate back to the Kyma home workspace by choosing Back to Namespaces.

  2. In the Kyma home workspace, choose Integration > Applications/Systems.

  3. Choose the mp-commerce-mock application by clicking on the name value shown in the list.

After choosing the system, you should now see a list of the APIs and events the mock application is exposing.

Verify Step 1

What status indicates that the application/system is ready?
×

Congratulations! You have successfully configured the Commerce mock application.

Next Steps

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