What I Learnt Today - microk8s helm jekyll

MicroK8s Installation

Install using SNAP - don’t forget the –classic

sudo snap install microk8s --classic

Generating a Token for the K8s Dashboard

Created a shell script ~\gentoken:

# Generate a MicroK8 access token
token=$(microk8s.kubectl -n kube-system get secret | grep default-token | cut -d " " -f1)
microk8s.kubectl -n kube-system describe secret $token

./gentoken
name:         default-token-b4m6z
Namespace:    kube-system
Labels:       <none>
Annotations:  kubernetes.io/service-account.name: default
              kubernetes.io/service-account.uid: 9602f557-8203-45bc-a5c1-049b57969d0b

Type:  kubernetes.io/service-account-token

Data
====
namespace:  11 bytes
token:      eyJhbGciOiJSUzI1NiIsImtpZCI6Imdoa0JlanZqYTVPZ25GTnRIZ2lmVFZTeFdXMHo4Sk55akVydF9WLTcxTE0ifQ.................................eyJpc3MiOiJrdWJlcm5ldGVzL3NlcnZpY2VhY2NvdW
ca.crt:     1103 bytes

Then past the certificate into the dashboard where it asks for a token on the login screen

Helm - Kubernetes automation

Helm Snapcraft

snap install helm --classic

Getting Started resources

Watch Building Helm Charts from the Ground Up

Helm Docs

How to make Helm work with microk8s

Enable the Helm service microk8s.enable helm
Export the microk8s config

sudo mkdir /etc/microk8s
sudo microk8s.config > /etc/microk8s/microk8s.conf
export KUBECONFIG=/etc/microk8s/microk8s.conf

Example usage

helm --kubeconfig /etc/microk8s/microk8s.conf ls

notes

ToDo

Deploy Wordpress Tutorial

Helmchart for how to deploying Jira and Postgress containers