Setup - K3s - LXC

Initial cluster setup

1. Create cluster
   1. Create 3 virtual machines
   2. Install k3s on main vm curl -sfL https://get.k3s.io | sh -
   3. Get k3s token sudo cat /var/lib/rancher/k3s/server/node-token from main vm
   4. Install k3s on agent vms with token curl -sfL https://get.k3s.io | K3S_URL=https://<main node>:6443 K3S_TOKEN=<token> sh -
2. Install ArgoCD
   1. cd install
   2. kubectl create namespace argocd
   3. Apply secrets
      1. kubectl apply -f ../secrets/repo-secret.yaml
      2. kubectl apply -f ../secrets/sops-age-secret.yaml
   4. Install helm curl https://raw.githubusercontent.com/helm/helm/main/scripts/get-helm-3 | bash
   5. Run as root:
      1. export KUBECONFIG=/etc/rancher/k3s/k3s.yaml
      2. helm install argo-cd argo-cd/ --namespace argocd --values values-override.yaml
3. Login to ArgoCD
   1. kubectl port-forward svc/argocd-server -n argocd 8080:443
   2. Get password from argocd-initial-admin-secret secret
   3. Login with admin:
   4. Change password
   5. Delete argocd-initial-admin-secret secret