Kubernetes on RedDec

OpenEBS ZFS Permission

Fri, 02 May 2025 23:43:00 +0800

OpenEBS ZFS LocalPV delivers powerful and notably fast storage for Kubernetes environments. However, a common hurdle appears when attempting to use these volumes with containers operating under non-root privileges. Let’s dissect why this occurs specifically with native ZFS volumes and outline the effective solution.

How OpenEBS ZFS provisions volumes

OpenEBS ZFS LocalPV offers several methods for volume creation:

Native ZFS Volume (using fstype: "zfs"): This method carves out a ZFS filesystem directly within your ZFS pool. It stands out as the fastest and most straightforward approach.
Volume with other filesystems (e.g., fstype: "ext4"): This involves creating a ZFS subvolume (or zvol) which is then formatted using a different filesystem, such as ext4 or XFS.

This guide concentrates on the first scenario: native ZFS volumes.

Longhorn Backup and Restore

Mon, 21 Oct 2024 12:53:49 +0800

Article breaks down using Longhorn (version 1.7) for backups, self-hosting, and recovery. It’s for seasoned DevOps and SysAdmin folks who like doing things themselves. You’ll find a step-by-step guide on setting up and restoring backups with Longhorn, Velero, and GitOps. The goal is to show you a tried-and-true setup for getting your backups and restores working smoothly.

Kubernetes Ingress Dashboard

Mon, 13 Dec 2021 17:13:10 +0800

reddec/ingress-dashboard

Automatic dashboard generation for Ingress objects.

Features:

No JS
Supports OIDC (Keycloak, Google, Okta, …) and Basic authorization
Automatic discovery of Ingress objects, configurable by annotations
Supports static configuration (in addition to Ingress objects)
Multiarch docker images: for amd64 and for arm64