Gitlab MicroK8s CI/CD Integration

gitlab-microk8s.md

Gitlab MicroK8s CI/CD Integration

Install microk8s

sudo snap install microk8s --classic
sudo microk8s status --wait-ready

Install plugins

sudo microk8s enable dns ingress rbac storage

Switch to use kubectl

sudo snap install kubectl helm --classic
mkdir ~/.kube
sudo microk8s config > ~/.kube/config
chmod 600 ~/.kube/config

Add your domain as follow

sudo sed -i '/DNS.5/a \
DNS.6 = api.yourdomain.com' /var/snap/microk8s/current/certs/csr.conf.template

Config DNS

• A-Record : yourdomain.com > <YOUR_IP_ADDRESS>
• Alias (CNAME) : api.yourdomain.com > yourdomain.com
• Alias (CNAME) : *.apps.yourdomain.com > yourdomain.com

Config Port Forward

• 80
• 443
• 16443

Gitlab setup

• Kubernetes cluster name : microk8s-cluster
• API URL : https://api.yourdomain.com:16443
• Base Domain : apps.yourdomain.com

Get the CA Certificate

kubectl get secret $(kubectl get secret | grep default-token | awk '{print $1}') -o jsonpath="{['data']['ca\.crt']}" | base64 --decode

Get the Service Token

kubectl -n kube-system create serviceaccount gitlab
kubectl create clusterrolebinding gitlab-admin --clusterrole=cluster-admin --serviceaccount=kube-system:gitlab
kubectl -n kube-system describe secret $(kubectl -n kube-system get secret | grep gitlab | awk '{print $1}')

Finally install Gitlab Runner and Cert-Manager under Applications tab page