7.3.4. Creating a custom Helm chart on OpenShift Container Platform

Procedure

1. Create a new project:

   $ oc new-project nodejs-ex-k

2. Download an example Node.js chart that contains OpenShift Container Platform objects:

   $ git clone https://github.com/redhat-developer/redhat-helm-charts

3. Go to the directory with the sample chart:

   $ cd redhat-helm-charts/alpha/nodejs-ex-k/

4. Edit the Chart.yaml file and add a description of your chart:

   apiVersion: v2 

   1

   
   name: nodejs-ex-k 

   2

   
   description: A Helm chart for OpenShift 

   3

   
   icon: https://static.redhat.com/libs/redhat/brand-assets/latest/corp/logo.svg 

   4

   
   version: 0.2.1 

   5

   1

   The chart API version. It should be v2 for Helm charts that require at least Helm 3.

   2

   The name of your chart.

   3

   The description of your chart.

   4

   The URL to an image to be used as an icon.

   5

   The Version of your chart as per the Semantic Versioning (SemVer) 2.0.0 Specification.

5. Verify that the chart is formatted properly:

   $ helm lint

   Example output

   [INFO] Chart.yaml: icon is recommended
   
   1 chart(s) linted, 0 chart(s) failed

6. Navigate to the previous directory level:

   $ cd ..

7. Install the chart:

   $ helm install nodejs-chart nodejs-ex-k

8. Verify that the chart has installed successfully:

   $ helm list

   Example output

   NAME NAMESPACE REVISION UPDATED STATUS CHART APP VERSION
   nodejs-chart nodejs-ex-k 1 2019-12-05 15:06:51.379134163 -0500 EST deployed nodejs-0.1.0  1.16.0