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Setting up Kubernetes

  1. Install the Kubernetes dashboard

    kubectl create -f https://raw.githubusercontent.com/kubernetes/kops/master/addons/kubernetes-dashboard/v1.5.0.yaml

  2. Obtain the dashboard password (user is admin)

    kops get secrets -oplaintext --type=secret kube

  3. Bootstrap Heapster (including InfluxDB and Grafana) for monitoring, and configure it based on these configuration files

    kubectl create -f ./kube/manuell/heapster

  4. Create namespaces for the Tools and Lagom services

    kubectl create ./kube/manuell/000.namespaces.yaml

  5. Install the Apache Cassandra database and configure it based on these configuration files

    kubectl create -f ./kube/manuell/cassandra/cassandra.yaml

Now, the Kubernetes infrastructure is ready for installation of Lagom Kube Service Registry and Lagom Kube services

  1. Install the Lagom Kube Service Registry

    kubectl create -f ./kube/manuell/001.lrs.service.yaml
kubectl create -f ./kube/manuell/002.lrs.deployment.yaml

  2. Configure the Telegram bot token for your build If you don't have a Telegram bot token yet, create a Telegram bot as described in the [Introduction for Telegram developers][introduction-telegram-developers].

    Enter your bot's token into the Telegram bot service configuration:

    ...
value: {{ TELEGRAM_BOT_TOKEN }}
...

  3. Install the Lagom services

    kubectl create -f ./kube/manuell/003.telegrambot.service.yaml
kubectl create -f ./kube/manuell/004.telegrambot.deployment.yaml
kubectl create -f ./kube/manuell/005.helloworldsvc.service.yaml
kubectl create -f ./kube/manuell/006.helloworldsvc.deployment.yaml

  4. Configure the Wolfram Alpha AppID for your build

    If you don't have a Wolfram Alpha AppID yet:

    Enter your AppID into the Wolfram service configuration:

    ...
- name: WOLFRAM_APPID
  value: {{ WOLFRAM_APPID }}
...

  5. Create a New Relic account

    Create an account at New Relic and enter the license key provided both into the Wolfram service configuration and into the Service Registry deployment configuration:

    ...
- name: NEW_RELIC_LICENSE_KEY
  value: {{ NEW_RELIC_LICENSE_KEY }}
...

  6. Install the Wolfram Alpha Kube Service

    kubectl create -f ./kube/manuell/007.wolfram-svc.yaml

  7. Configure the Service Registry routing

    kubectl port-forward {{ lagom-kube-service-register }} 8000 --namespace=tools
kubectl port-forward {{ lagom-kube-service-register }} 9000 --namespace=tools

    We can now test our application:

    • Check if all of three services are registered in the Service Registry http://127.0.0.1:8000/services
    • Go to http://localhost:9000/api/helloworldservice/v1/list-environment and check if the HelloWorld service is up

  8. Launch Telegram and test the bot: /test and /ask {{ question }}