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Stock Trader Sample Application

Install "Giddyup version" of Stock Trader Application

  1. Clone the sample repository with the following command: git clone https://github.com/kappnav/samples.git

  2. Create the stock-trader sample namespace with the following command: kubectl create namespace stock-trader

    # kubectl create namespace stocktrader
namespace/stocktrader created

  3. Deploy the stock-trader sample application with the following command: kubectl create -f samples/stocktrader -n stock-trader

    # kubectl create -f samples/stocktrader -n stock-trader
application.app.k8s.io/stock-trader created
deployment.extensions/loyalty-level created
service/loyalty-level-service created
deployment.extensions/notification-twitter created
service/notification-service created
deployment.extensions/portfolio created
service/portfolio-service created
deployment.extensions/stock-quote created
service/stock-quote-service created
deployment.extensions/trader created
service/trader-service created

  4. Ensure that the stock-trader application starts.

    • You can watch the application be deployed in the kAppNav UI. The stock-trader application appears and the status changes from Unknown, to Problem, then to Normal.
    • You can also check the installation progress with the following command to see whether all the pods are running: kubectl get pods -n stocktrader
    # kubectl get pods -n stocktrader
NAME                                  READY     STATUS    RESTARTS   AGE
loyalty-level-5fd5c9b855-rfxss        1/1       Running   0          54s
notification-twitter-f568cc54-d5xck   1/1       Running   0          54s
portfolio-8fb7cf89c-zjw58             1/1       Running   0          54s
stock-quote-5c88f57659-tlcl8          1/1       Running   0          53s
trader-59c9dcb74-2cv8b                1/1       Running   0          53s

Loyalty-level Deployment

The Loyalty-level deployment runs an OpenLiberty application server. This application is configured to expose micro-profile metrics via the Prometheus /metrics endpoint.

Prometheus requires a ServiceMonitor resource in order to gather metrics. The ServiceMonitor resource specifies a namespace selector that is hard-coded to "stock-trader", which is the recommended namespace to use for this sample.

Therefore, if you install this sample to another namespace and want to view metrics collected by Prometheus for the Loyalty-level Deployment, you must update the namespaceSelector in loyalty_deployment.yaml file.