Kubernetes Container Orchestration Helm and Package Management 2

Question 1

Which Helm command updates the local cache of available charts from configured repositories?

Accepted Answer

helm repo update

Answer

`helm repo update` fetches the latest chart metadata from all configured repositories.

Question 2

What is the purpose of the `_helpers.tpl` file in a Helm chart?

Accepted Answer

It defines reusable template snippets and named templates

Answer

`_helpers.tpl` is a conventions file for defining reusable named templates that other templates can call with `{{ include }}`.

Question 3

How do you pass a custom values file when installing a Helm chart?

Accepted Answer

helm install myapp ./chart -f custom-values.yaml

Answer

The `-f` or `--values` flag specifies one or more custom values files to merge with the chart defaults.

Question 4

What does `helm lint` do?

Accepted Answer

Validates the chart structure and templates for potential errors

Answer

`helm lint` examines a chart for potential issues including template rendering errors and missing required fields.

Question 5

In Helm, what is a 'release'?

Accepted Answer

A specific instance of a chart deployed to a Kubernetes cluster

Answer

A Helm release is a named, running instance of a chart deployed in a specific namespace with a specific configuration.

Kubernetes Container Orchestration Practice Test