K3S#

Warning

This documentation is at a very early stage.

Important used technologies#

K3S This is the foundation of the infrastructure. It's an easy to deploy and maintain kubernetes distribution
ArgoCD is a tool to manage kubernetes clusters the GitOPs way
Kustomize is used to manage the kubernetes manifests within ArgoCD
Ansible prepares the machines for the k3s installation and installs k3s
Vagrant manages the test environment

Excerpt of features this cluster provides:

Provision nodes, including k3s, via ansible
GitOps based cluster management with ArgoCD
Encrypted secrets with sops
Every exposed service uses SSO with Authelia
File backups from persistant volumes
- Backup any folder to a restic supported storage backend
- Delete old backups (Daily, Weekly, Monthly, Always Keep Last)
- ntfy.sh notification on failure
- prometheus pushgateway metrics
KubeDoom: Killing whoami containers with a shotgun
High Avaliability ControlPlane and LoadBalancer via KubeVIP
Monitoring via kube-prometheus-stack
Logging via loki
Alerting via alertmanager to a selfhosted ntfy
Storage managed via longhorn
Vagrant based virtual test environment