Helm

Installing on Fedora

No packages yet :( No manpages either :(

curl -OL https://get.helm.sh/helm-v3.4.2-linux-amd64.tar.gz
tar -zxvf helm-v3.4.2-linux-amd64.tar.gz linux-amd64/helm
sudo mv linux-amd64/helm /usr/local/bin/helm

Concepts

Tracking the state of releases in the cluster:

• Helm 3 uses Secrets to track releases.
• A release has one or more release version secrets associated with it
• Each release version secret describes one version of the release.
• Upgrades create a new release version secret.

Cookbook

Get the values.yaml for any Helm chart

To dump the values.yaml for any Helm chart:

helm show values stable/wordpress > values.yaml

Troubleshooting

403 Forbidden error when trying to access the “stable” repo (kubernetes-charts.storage.googleapis.com):

• stable and incubator repositories have moved:
  • stable is now: https://charts.helm.sh/stable
  • incubator is now: https://charts.helm.sh/incubator
• To update: helm repo add stable https://charts.helm.sh/stable --force-update
• Upgrade to Helm v3.4.0 or later to get warnings about the new locations
• See the blog about this