CODEWITHSUNDEEP
elasticsearchkuberneteskubernetes-helm
MikeSchem
MikeSchem

Reputation: 998

What is the best way to add additional templates to a helm chart?

Background

I'm installing Elastic Search into my cluster with a helm chart with the following command:

helm -n elasticsearch upgrade --install -f values_elasticsearch.yaml  elasticsearch elastic/elasticsearch

This allows me to override the values which is nice, but I'd also like to add an Istio virtual service. Which I believe would require I add a template to the helm chart.

Options

I've considered the following thee options, but not sure what is best practice.

  1. Download the elastic search maintained helm chart and add a template for the additional yamls I need. This could create an issue when they upgrade their helm, I'm gonging to have to keep merging in their changes.
  2. Add the template to a separate helm chart. I don't love this solution because I like to have one helm chart for a single namespace and application.
  3. Create a helm subchart. I don't know much about these or if this is the right scenario to use them in.

So I'm wondering if there is a better way to do this or which of my options is best.

Upvotes: 1

Views: 1874

Answers (1)

Phani Kumar
Phani Kumar

Reputation: 178

helm subchart is ideal way

  • You can create a helm chart and add the elasticsearch as subchart
  • You can add required istio yaml files inside your template folder
  • First you should run helm dep update then run the install/upgrade command

Upvotes: 2

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