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begin-sat-config-tutorial.md

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copyright lastupdated keywords subcollection content-type services account-plan completion-time
years
2022, 2023
2023-04-06
satellite, satellite config, Kubernetes, cluster
satellite
tutorial
satellite
paid
30m

{{site.data.keyword.attribute-definition-list}}

Deploying apps to clusters with {{site.data.keyword.satelliteshort}} Config

{: #begin-sat-config-tutorial} {: toc-content-type="tutorial"} {: toc-services="satellite"} {: toc-completion-time="30m"}

Set up a {{site.data.keyword.satelliteshort}} configuration to automatically deploy your Kubernetes resources to multiple clusters. {: shortdesc}

Objectives

{: #begin-sat-config-tutorial-objectives}

With {{site.data.keyword.satelliteshort}} Config UI or CLI, you create a configuration that specifies which Kubernetes resources you want to deploy to a cluster group. Then, the system can automatically deploy these resources across the clusters.

In this tutorial, you create a configuration to deploy a food ordering app, which includes several micro services such as front end, back end, route, and database. After you deploy the version 1 of the food delivery app, you then create a version of app which changes the appearance to use a dark theme.

Audience

{: #begin-sat-config-tutorial-audience}

This tutorial is for Location administrators who are using {{site.data.keyword.satelliteshort}} Config to deploy resources for the first time. {: shortdesc}

Prerequisites

{: #begin-sat-config-tutorial-prereq}

Before you start this tutorial, make sure that you have the following resources in place.

  • A {{site.data.keyword.satelliteshort}} location for deploying the resources.

  • A {{site.data.keyword.satelliteshort}} cluster or a {{site.data.keyword.redhat_openshift_full}} cluster on {{site.data.keyword.cloud_notm}} that is registered with your {{site.data.keyword.satelliteshort}} location.

  • A {{site.data.keyword.satelliteshort}} cluster group that contains the clusters you want to deploy resources to.

  • Make sure that {{site.data.keyword.satelliteshort}} Config has admin access to your clusters. You can either enable admin access when creating the cluster or grant {{site.data.keyword.satelliteshort}} Config access to your clusters after you create the cluster.

Beginner tutorial: Deploying a hello world app

{: #begin-sat-config-tutorial-deploy-app-ui} {: ui}

Follow these steps if you are new to {{site.data.keyword.satelliteshort}} Config and want to try out the process by deploying some sample resources in an existing IBM Git repo to your clusters.

  1. Log in to the {{site.data.keyword.satelliteshort}} Config UI with your {{site.data.keyword.cloud_notm}} credentials.

  2. Click Create configuration.

  3. Select the GitOps - Sample application template and follow the prompts.

Advanced tutorial: Deploying an app and updating it with new versions

{: #begin-sat-config-tutorial-advanced-helloworld-ui} {: ui}

Before you begin, delete the subscription created previously in the Beginner tutorial.

  1. Log in to GitHub and fork https://github.com/IBM/satellite-config-example including all branches. Make sure the Copy the main branch only option is not selected when you create the fork.

  2. Log in to the {{site.data.keyword.satelliteshort}} Config UI{: external} with your {{site.data.keyword.cloud_notm}} credentials.

  3. Click Create configuration.

  4. Select the GitOps template.

  5. On the Configuration page:

    1. Enter hello-world-gitops as the configuration name

    2. Select GitHub as the provider.

    3. Click Next.

  6. On the Subscription page:

    1. For repository URL, enter the URL of your fork.

    2. For Git ref type, select Branch.

    3. For branch name, enter config-sample-prod.

    4. For path, enter deployments/*.yaml.

    5. Select a cluster group or groups to deploy to.

    6. Click Next.

  7. On the Summary page, confirm that the displayed information is correct and then click Complete.

  8. Observe the hello world sample version 1.0 being deployed to the clusters. You can click the configuration name to see the rollout status. This sample creates a Hello world app in the satellite-config-sample namespace, which serves a simple web page with the current version of the app. Browse to the route of the app to see Hello world 1.0!. You can get the URL of the app from the OpenShift web console or by using the following command.

    oc get routes helloworld-route -n satellite-config-sample -o go-template --template='http://{{.spec.host}}{{.spec.path}}{{println}}'`.

    {: pre}

  9. In GitHub, create a pull request from branch config-sample-dev to config-sample-prod.

  10. Merge the pull request created in the previous step.

  11. In a few minutes, observe the hello world sample version 1.1 being deployed to the clusters.