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How to Install Keptn on Kubernetes Cluster?

How to Install Keptn on Kubernetes Cluster

If you're looking for an open-source tool to help you manage your cloud-native applications, Keptn might be the perfect solution. Keptn is a platform for continuous delivery and automated operations of cloud-native applications, which runs on Kubernetes. In this article, we will guide you through the process of installing Keptn on your Kubernetes cluster.

Prerequisites:

Before you start installing Keptn, make sure that you have the following prerequisites:

  • A running Kubernetes cluster (version 1.11 or later)
  • kubectl command-line tool installed
  • Helm v3 installed

Step-by-Step Guide to Installing Keptn:

  1. Install Keptn CLI:

To install the Keptn CLI, use the following command:
curl -sL https://get.keptn.sh | sudo -E bash

  1. Install Keptn on Kubernetes Cluster:

To install Keptn on your Kubernetes cluster, follow these steps:

a. Add Keptn Helm repository:

helm repo add keptn https://storage.googleapis.com/keptn/helm
helm repo update

b. Create a namespace for Keptn:

kubectl create namespace keptn

c. Install Keptn using the Helm chart:

helm install keptn keptn/keptn --namespace=keptn --version=<desired version>

Note: Replace <desired version> with the desired version of Keptn.

  1. Verify Keptn installation:

To verify that Keptn is installed correctly, use the following command:
kubectl get pods -n keptn

You should see the list of Keptn pods running in the keptn namespace.

  1. Access Keptn Bridge:

To access the Keptn Bridge, which provides a web interface for Keptn, follow these steps:

a. Get the Keptn Bridge URL:

keptn status

Note: The output will show the URL for the Keptn Bridge.

b. Open the Keptn Bridge URL in a web browser.

  1. Install Keptn CLI Plugins:

Keptn CLI plugins provide additional functionality to the Keptn CLI. To install a plugin, use the following command:
keptn install cli-plugin --name=<plugin-name> --version=<plugin-version>

Note: Replace <plugin-name> and <plugin-version> with the desired plugin name and version.

Congratulations! You have successfully installed Keptn on your Kubernetes cluster.

More Examples:

  • Upgrading Keptn:
    To upgrade Keptn to a new version, use the following command:
helm upgrade keptn keptn/keptn --namespace=keptn --version=<desired version>

Note: Replace <desired version> with the desired version of Keptn.

  • Uninstalling Keptn:
    To uninstall Keptn from your Kubernetes cluster, use the following command:
helm uninstall keptn -n keptn
  • Installing Keptn on Minikube:
    To install Keptn on Minikube, follow the same steps as mentioned above. However, you will need to increase the memory and CPU limits for your Minikube instance to run Keptn properly.

I hope this guide has helped you to install Keptn on your Kubernetes cluster.

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  • That's it for this post. Keep practicing and have fun. Leave your comments if any.

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