====== - Helm Managing Apps ======

===== - Get information =====

Get custom values:

<code>
helm -n traefik get values traefik
USER-SUPPLIED VALUES:
ingressRoute:
  dashboard:
    enabled: false
</code>
     
Get everything: helm values, calculated CRDs.
  
      helm -n traefik get all traefik
      
===== - Update release with new helm values =====
Helm is stateless! Tiler for e.g., keeps states.

<code>
helm repo list

NAME    URL
cilium  https://helm.cilium.io
traefik https://helm.traefik.io/traefik

helm search repo

NAME            CHART VERSION   APP VERSION     DESCRIPTION
cilium/cilium   1.11.5          1.11.5          eBPF-based Networking, Security, and Observability
cilium/tetragon 0.8.0           0.8.0           Helm chart for Tetragon
traefik/traefik 10.20.1         2.7.0           A Traefik based Kubernetes ingress controller

helm -n traefik upgrade traefik traefik/traefik --reuse-values --set ingressRoute.dashboard.enabled=true

Release "traefik" has been upgraded. Happy Helming!
NAME: traefik
LAST DEPLOYED: Wed Jun  8 12:12:01 2022
NAMESPACE: traefik
STATUS: deployed
REVISION: 2
TEST SUITE: None

</code>

===== - Update release using values.yml =====

Download local copy of the chart

     helm fetch traefik/traefik --version 10.20.1 --untar
     
Modify values.yml

Update release with new values

     helm install -n <namespace> --values custom_values.yaml <release-name> stable/<chart-name>
     helm install --values custom_values.yaml traefik traefik/traefik 
  
===== - Useful commands =====

     helm -n iiot uninstall mosquitto