Helm

Last update: 2 Oct 2022

Helm is a package manager for Kubernetes (K8S). Its server-side part is named Tiller.

Installation

Follow intructions from the Helm web site

Check if Tiller is installed in the cluster:

kubectl get serviceaccount --all-namespaces | grep tiller

Install Tiller in the k8s cluster:

kubectl create serviceaccount tiller -n kube-system
kubectl create clusterrolebinding tiller --clusterrole=cluster-admin --serviceaccount=kube-system:tiller -n kube-system
helm init --service-account tiller

Command line commands

Download a Helm chart content:

helm fetch --untar <helm-chart>

Install a Helm chart from the current dir:

helm install .

Upgrade a Helm chart:

helm upgrade

Rollback an upgrade:

helm rollback