Helm

Helm is a tool for managing Kubernetes charts. Charts are packages of pre-configured Kubernetes resources.

All the charts are included in the folder “charts”. Every chart has the following structure:

Chart.yaml          # A YAML file containing information about the chart
values.yaml         # The default configuration values for this chart
chart/              # A directory containing any charts upon which this chart depends.
chart/templates/    # A directory of templates that, when combined with values,
                    # will generate valid Kubernetes manifest files.

# Chart.yaml
apiVersion: v1
appVersion: "1.0"
description: A Helm chart for deploying the Tango-Base on Kubernetes
name: ska-tango-base
version: 0.2.23

# example of values
tmcprototype:
 enabled: true
 image:
    registry: artefact.skao.int
    image: tmcprototype
    tag: latest
    pullPolicy: Always

Update chart settings.

In some cases you may want to alter the settings applied in the chart. E.g To set the webjive chart to have 3 replicas of tangogql, update values.yaml to the following:

webjive:
 tangogql:
  replicas: 3

More information available here. Helm Glossary here <https://helm.sh/docs/glossary/>`_.