Helm Chart Grafana Bitnami

May 6, 2023

Login to the Master Node/Server

ssh nickm@10.154.2.90

sudo su -

cd /root/k3s/k3s-helm-charts/grafana/

If you have not installed Helm 3.11 yet do this:

Installing Helm 3.11 on a Linux Server

1. When working with K3S you need to run this command

export KUBECONFIG=/etc/rancher/k3s/k3s.yaml

1.1 You can edit the .bashrc file put this on the top

nano ~/.bashrc

Reboot the server

sudo reboot

2. Find the Helm Chart in the Repository

You can search for Helm Charts here:
https://artifacthub.io/

3. Search for Grafana (prefer a Bitnami Repository if found)

Searching for grafana brings you here:
This one uses the Bitnami Repository Maintained by (Novel) VMware https://artifacthub.io/packages/helm/bitnami/grafana \

4. Adding the Repiository locally (Bitnami)

Click on the Install Button
Copy the command under “Add Repository” section Expect to get

helm repo add bitnami https://charts.bitnami.com/bitnami

run the above command on the server

close the Pop Up that was launched when you pressed the Install Button

5. Creating the Values Yaml file

Click on the Default Values Button
Click on the button with a icon of a Cloud It will try to download the folowing file:

values-grafana.yaml

copy this file name and create a file on the server with that file name

nano values-grafana.yaml

close the download Pop Up by pressing the Cancel Button
Click on the button with an icon with two squares
this will copy the content of the Yaml file to your clipboard
paste this content into your text editor and save it
In the browser click the close Button

6. Create the namespace

run these commands

kubectl get namespaces
kubectl create namespace nico-grafana

kubectl get namespaces

7. Get the Helm Chart Install command

Click on the Install Button
Copy the command under “Install chart” section Expect to get

helm install my-grafana bitnami/grafana --version 8.2.33

7. Testing the Helm Chart

Test 1

Take the above command and change the word install to template you should now have

helm template my-grafana-release bitnami/grafana --version 8.2.33

Now run the above command and expect to not have errors

Test 2

add the following to the end of the above command: -f values-grafana.yaml
you should now have

helm template my-grafana-release bitnami/grafana --version 8.2.33 -f values-grafana.yaml

run the above command and expect to not have errors

8. Installing the Helm Chart (Deploying)

take the above command change the word template to install and add the folowing to the end : –namespace nico-grafana
you should nw have:

helm install my-grafana-release bitnami/grafana --version 8.2.33 -f values-grafana.yaml --namespace nico-grafana

run the above command

9. Verifying the deployment

run this command:

helm list -n nico-grafana

helm list --all-namespaces

run this command

kubectl get all -o wide -n nico-grafana

10. Updating the values yaml file

Whenever you need to make changes to your deployment

run this command and make your changes

nano values-grafana.yaml

10.1 Test your changes

Run this command:

helm template my-grafana-release bitnami/grafana --version 8.2.33 -f values-grafana.yaml

10.2 Upgrade your Helm Chart to implement these Updates

Run this command:

helm upgrade my-grafana-release bitnami/grafana --version 8.2.33 -f values-grafana.yaml --namespace nico-grafana

10.3 Verifying the deployment

run this command:

helm list -n nico-grafana

# display the history for release = nginx-release
helm history my-grafana-release  -n nico-grafana

run this command

kubectl get all -o wide -n nico-grafana

11. Rollong back a failed change

# display the history for release = nginx-release
helm history my-grafana-release  -n nico-grafana

# Rollback to Revision 1
helm rollback my-grafana-release 1 -n nico-grafana

helm history my-grafana-release  -n nico-grafana

12. The Cleanup

run these commands

helm delete my-grafana-release -n nico-grafana
helm list --all-namespaces

kubectl delete namespace nico-grafana

helm list --all-namespaces
kubectl get all --all-namespaces