Admnistration

  • See what is currently installed
1helm list -A
2NAME    NAMESPACE       REVISION        UPDATED                                 STATUS          CHART           APP VERSION
3nesux3  default         1               2022-08-12 20:01:16.0982324 +0200 CEST  deployed        nexus3-1.0.6    3.37.3
  • Install/Uninstall
 1helm status nesux3
 2helm uninstall nesux3
 3helm install nexus3 
 4helm history nexus3
 5
 6# work even if already installed
 7helm upgrade --install ingress-nginx ${DIR}/helm/ingress-nginx \
 8  --namespace=ingress-nginx \
 9  --create-namespace \
10  -f $helm {DIR}/helm/ingress-values.yml
11
12#Make helm unsee an apps (it does not delete the apps) 
13kubectl delete secret -l owner=helm,name=argo-cd
  • Handle Helm Repo and Charts
 1#Handle repo 
 2helm repo list
 3helm repo add gitlab https://charts.gitlab.io/
 4helm repo update
 5
 6#Pretty usefull to configure
 7helm show values elastic/eck-operator
 8
 9#See different version available
10helm search repo hashicorp/vault
11helm search repo hashicorp/vault -l
12
13# download a chart
14helm fetch ingress/ingress-nginx --untar

Tips

  • List all images needed in helm charts (but not the one with no tags)
1helm template -g longhorn-1.4.1.tgz |yq -N '..|.image? | select(. == "*" and . != null)'|sort|uniq|grep ":"|egrep -v '*:[[:blank:]]' || echo ""