A Practical Guide to Helm/

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Install the Helm Chart

Install the Helm Chart

Learn how to install the Kubernetes Dashboard Helm chart from a public repository.

We'll cover the following...

n the previous lesson we added the Helm repository information to the Helm CLI so now we can make use of it and install the Kubernetes Dashboard

Create a new Release

The helm install command

We can run an installation command as follows:

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helm install dashboard kubernetes-dashboard/kubernetes-dashboard -n monitoring --create-namespace

The output will be as follows:

NAME: dashboard
LAST DEPLOYED: Thu Nov 25 07:41:37 2021
NAMESPACE: monitoring
STATUS: deployed
REVISION: 1
TEST SUITE: None
NOTES:
*********************************************************************************
*** PLEASE BE PATIENT: kubernetes-dashboard may take a few minutes to install ***
*********************************************************************************

Get the Kubernetes Dashboard URL by running:
  export POD_NAME=$(kubectl get pods -n monitoring -l "app.kubernetes.io/name=kubernetes-dashboard,app.kubernetes.io/instance=dashboard" -o jsonpath="{.items[0].metadata.name}")
  echo https://127.0.0.1:8443/
  kubectl -n monitoring port-forward $POD_NAME 8443:8443

There are a lot of arguments. Let’s look into them individually:

  • helm install: This is the basic command for installing a Helm chart.

  • [NAME]: Here it is called dashboard and it’s the name of the Helm release we have just created

  • [CHART]: Here it is known as kubernetes-dashboard/kubernetes-dashboard and it’s the full name of the Helm chart that we’re installing. A full name consists of two parts: the repository name and the name of the chart located there. If we name this repository other than kubernetes-dashboard, we need to change this part. For example, if we name it dashboard, the full name of the chart will be dashboard/kubernetes-dashboard.

Apart from the mandatory ...