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Kubernetes volume provisioner that uses BTRFS subvolumes

License: MIT License

Shell 0.32% Rust 97.56% Dockerfile 2.13%

btrfs-provisioner's Introduction

btrfs-provisioner for Kubernetes

This is a (work in progress) volume provisioner for Kubernetes leveraging the BTRFS filesystem to create volumes, enforce storage quotas, create snapshots and make backups.

What works…

  • Volume provisioning
  • Volume deletion
  • Enforcing storage quotas
  • Static (per Node) StorageClasses

…and what doesn't (yet)

  • Volume snapshots
  • Volume backups using Borg Backup
  • Dynamic (single) StorageClass (automatic node selection and assignment)
  • Automatically moving volumes between nodes

Getting started

Prerequisites

  • A running K8s cluster
  • A BTRFS directory or filesystem at /volumes.

Installation

First of all, this is experimental software. You're up on your own should you lose data.

Helm

helm repo add btrfs-provisioner https://ehbello.github.io/btrfs-provisioner

Manual

Deploy the manifests in the deploy directory:

kubectl apply -f deploy/meta.yaml
kubectl apply -f deploy/controller.yaml

The BTRFS provisioner controller creates a StorageClass for each worker node on startup.

btrfs-provisioner's People

Contributors

alexanderbabel avatar bitte-ein-bit avatar ehbello avatar timoschwarzer avatar

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