Nixos vs kubernetes. I'll see how it goes.

Nixos vs kubernetes Specifically, it seems I need to create a default. kubernetes = { roles = ["master" "node"]; }; when I run nixos-rebuild, I do get kubectl executable and I notice that a NixOS options; Flakes Experimental; Search more than 20 000 options. NEW. Sep 24, 2023 · Differences between channels. agenix - age-encrypted secrets for NixOS and Home manager . Mar 31, 2023 · 5. If you rename that file to pkgs. MIT license Activity. Mar 3, 2023 · My end goal is to have a NixOS host running the k3s Kubernetes distribution, and then define the VMs that make up the cluster using Nix config. In summary, Kubernetes is a container orchestration system designed for managing large-scale clusters of machines, while NixOS is a Linux distribution that focuses on functional system configuration and package management on a single machine. Recently, I set up the first cluster running on NixOS. yy, the Aug 13, 2023 · NixOS for Kubernetes . About me? Fullstack software engeneer in javascript, python, c, nix and more, with experiences in web technologies, system provisioning, embedded devices and security. multipass - Multipass orchestrates virtual Ubuntu instances . hydra. Hardware: Biostart A68N motherboard (4 core AMD CPU) Aug 7, 2024 · NixOS documentation and NixOS github repo are usually of great use when it comes to adding features to NixOS host. To have access to the command line on the graphical As someone who loves NixOS and runs it on my daily-driver laptop - I can't see running NixOS in production. pem or cluster-admin-key. nix instead you should be able to do nix-build pkgs. #nixosConfigurations. rs. However, Kubernetes seems like serious overkill at this point, and the learning curve is hefty. It packages all its dependencies, runs using sqlite in place of etcd (although it can use a number of backends!), and has a much lower memory footprint. But I guess I can just quote it here: How does channel update? 1. Kubenix is a Kubernetes resource builder written in Nix. 25. Tech Brand Mgr, Office of CTO at Uber · Dec 4, 2018 | 44 upvotes · 12. accidental complexity. Also it is usually pretty easy to convert your normal docker or kubernetes containers over to something you can run on your desktop. Also If the nodes are are sharing same layer 2 network (ethernet frames) like in your simulation I think flannel may be configured host-gw backend instead that is a bit simple to setup I would give it a try Since two years I’m using Aug 1, 2022 · Hi NixOs community, I have a short and sweet question around getting helm (the Kubernetes package manager) plugins to work. Hello everyone, we are Tristan Ross and Weijia Wang, the release managers for the newest release of NixOS known as NixOS 24. Kubernetes: Understanding How They Differ. johanot (github: johanot irc: johanot) colemickens (github: colemickens, irc: Dec 1, 2023 · I loved the idea of NixOS where I could declare my entire setup once, Why Letting Go of Kubernetes Worked for Us. There is also something like CRI-O, but I never used that. extraGroups = [ "kubernetes Feb 20, 2021 · Immutable Systems Infrastructure, or how to mashup Kubernetes and Nix 20 Feb 2021 DevOps Rant Tools. enableUnifiedCgroupHierarchy = false; (I happened to add that line to my 2 days ago · Warning: at this time NixOps is not actively recommended for new projects or users. Nov 21, 2022 · To build a Go web service into Docker images that can be deployed on Kubernetes (or most other container orchestration platforms). Since we’re managing the rest of the infrastructure with morph, it would be handy to remaster the iso in a way that I researched various sources to understand how to install Kubernetes on NixOS for production. 11. We're glad to announce that after the additional week-long delay that we can deliver this stable release of NixOS. 3. If that's the only thing you do with it and you're not going to try using it as your development machine, it is very straightforward to work with since your config file will be small compared to what you would have on a Dec 7, 2023 · The Cloud Native Computing Foundation found that, in the past year anyway, Nix has more commits (57,941) than Kubernetes itself (42,680), though Kubernetes has a few more contributors (3,662) than Nix (3,087). Readme License. I don’t recommend virtualisation. Report repository Releases 3. Instead we are going to look at MicroK8s, a Linux only solution for a Dec 5, 2022 · I’m familiar with Kubernetes & am used to it. I have two server systems that I use for my homelab, one is more powerful than the other. And lastly, container images, which run on Mar 28, 2023 · It is non-opinionated, so you can choose your distro and make it an immutable OS for Kubernetes. Anyway, I’m looking to add k3s as a Nix Apr 19, 2024 · Here helmfile-wrapped reads kubernetes-helm-wrapped. Best. I then migrated to Arch-based Aug 26, 2023 · In NixOS you start with booting into a preconfigured system then edit a system configuration file that does everything. This may be another “best” feature to point out, when comparing to similar tools. Kubernetes is not intended to run with swap. Channel: 24. Even if I set: Nov 2, 2023 · Kubernetes vs. Personally I try to avoid both, as I do not like leaking some systems concern into each users environment. xz Differences between channels There are four classes of NixOS channels: nixos-xx. enable = true and it’ll configure containerd for you as well. GUIX. This article will show you how to setup Kubernetes on your local NixOS machine and perform some common tasks such as starting containers and routing traffic to your running Jul 19, 2022 · Hello, This thread is to gather interest for Kubernetes on Nix. 2 on Nixos 22. 6. What Nix doesn’t do here: Stand up any infrastructure. Hydra build Each channel has an Aug 22, 2022 · I have installed kubernetes and minikube on NixOS 22. Me Sep 6, 2023 · Yes, the NixOS and home-manager modules both set up containerd with nix-snapshotter without Kubernetes, see installation steps. New. Forks. Feb 16, 2024 · Hi, I would like to move my homelab to NixOS (no GUI, only kubernetes). NixOS vs. But this is not a discussion fit for this issue, if flakes are now mainstream then there's no sense in me pushing back. roles master · Issue #59364 · NixOS/nixpkgs · GitHub) and every container node as well. Jaeger Python Java Node. (Yes, I Nov 27, 2023 · Obligatory `neofetch` screenshot from my RPi running NixOS. May 21, 2020 · Tip: as you can see, the Terminal was changed so the nice icons are all displayed. XX branches. 3 -> 1. NixOS can be installed on BIOS or UEFI systems. There were differing opinions and recommendations on the best approach, with some suggesting using tools like kubeadm, Oct 2, 2020 · I was under the impression that one of the benefits of k3OS was it can be configured from the k3s/kubernetes that it’s running. Before we begin, to understand the problem, I think it’s important to have a look at Version Skew Policy | Kubernetes Summarizing, to have a successful cluster upgrade, you need to: Upgrade Sep 13, 2024 · Make your HTTP (or HTTPS) network service available using a protocol-aware configuration mechanism, that understands web concepts like URIs, hostnames, paths, and more. Join Volodymyr to learn about the journey of using nix along with argocd to deploy payloads into kubernetes. From NixOS Wiki. KubeNix automatically follows the API specification and validates your configuration entirely locally. Feb 5, 2024 · Portainer is a Universal Container Management System for Kubernetes, Docker/Swarm, and Nomad that simplifies container operations, so you can deliver software to more places, faster. How Uber developed the open source, end-to-end distributed tracing Jaeger, now a CNCF project: Jun 21, 2022 · I am building a home server/NAS with NixOS. Different hashes in the paths to the nix store, as expected TLP - TLP - Optimize Linux Laptop Battery Life . Update: the third part of the series for Mac is also available. The VM stack, which includes the bits to run Kubernetes. yy|unstable)-small, a subset of NixOS curated for minimal servers. /mnt-root is created on line 558 while the pool is supposed to be imported around line 293. background: I was recently doing some testing around kind and Jun 15, 2019 · I’m running NixOS on a Raspberry Pi and I want to set up a Kubernetes cluster on it to play around with. Jump to: navigation, search. Depending on how things play out, I can try to help at least with some K8S knowledge and single host (aka my laptop) tests. system. I’ve been looking at Nix · direnv/direnv Wiki · GitHub and also working through the Nix Pills | Nix & NixOS so I’m slowly getting a foothold. kubernetes. The following example creates a container called nextcloud running the web application Nextcloud. May 2, 2018 · Published 2017-07-21 NixOS release 17. Jun 18, 2024 · K3s is a simplified Kubernetes version that bundles Kubernetes cluster components into a few small binaries optimized for Edge and IoT devices. colima - Container runtimes on macOS (and Linux) with minimal setup . It integrates with popular container runtimes such as Docker and has built-in support for orchestrators like Kubernetes. 326 stars. It looks like both of my concerns are no longer valid, which makes kubeadm more attractive for us, definitely. Either start using k8s with the NixOS supported configuration or try using NixOS for something !k8s while you wrap your head around it. cli. Given that NixOS is immutable, I was wondering how much of a damage could an attacker do in comparison to Docker (I'm not thinking about an attack directly Usage: bin/nix-kubernetes < command > [options] Commands: create < file > Create deployment list List all known deployments delete Delete deployment describe Describes deployment deploy Deploy configuration config Manage deployment run-job < name > Run distributed kubernetes job gc Garbage collect resources (will only gc nix-kubernetes resources) Options: -c, --config path NixOS vs Ubuntu: What are the differences? Key Differences between NixOS and Ubuntu. Wrong channel selected! Please select one of the channels above! Please help us improve the search by reporting issues. The tool is undergoing a significant transition between major versions, which has led to some instability and increased complexity in getting it up and running. Sep 8, 2019 · Since the merge of kubernetes: 1. I have all hardware related topics closed already and I am configuring services. Jun 3, 2023 · The site also had this very nice description of the update process by @domenkozar, which is why I continued linking it even after it stopped updating. This project serves as an example of using the NixOS Kubernetes module in an advanced way, setting up a cluster that is highly-available on all levels May 25, 2024 · I must say that I like the k3s setup in NixOS quite a bit, k3s is now a CNCF project and a nice balance between the power of full k8s but tightened up a bit. It will start automatically at boot and has its private Apr 12, 2019 · Seems there are multiple (possibly unrelated) issues being raised here. . I had kind installed before, since that’s what I knew before @azazel75 pointed me to k3d, which is supposed to be much more lightweight than kind. Jul 28, 2023 · This is nitpicking, but the similarity doesn't stop at dependency isolation - it is also deterministic provisioning which nixos does better. Docker The emergence of container technology using platforms such as Docker created management problems for developers and operations staff. However, I ran into two errors: kubectl-commands are executed painfully slow; Jul 17, 2022 · I’m not super well versed in the kubernetes ecosystem so I might be misunderstanding the problem, but I think there are a few gaps in the current nixos wiki page that I’d like clarified: It seems like the default cfssl config and the default kubernetes config disagree on where ca. The procedure for a UEFI installation is broadly the same as for a BIOS installation. cfssl generates a CA-cert for the cluster, and uses the CA-cert for signing subordinate certs Sep 2, 2020 · I managed to get kubernetes up and running. Uber Technologies. These techniques are valuable for developers and system administrators working with containerized applications and NixOS-based systems. We're familiar with declarative concepts as we're NixOS nerds, but just want to get started with Kubernetes quickly and easily. Apr 12, 2024 · There is Nix, the package manager; Nix, the programming language; and NixOS, a Linux-based operating system. build. What you are doing in your eval is doing the same import <nixpkgs> {} without overlay argument and then calling nixpkgs as a package. Conor Myhrvold. Btrfs vs Zfs for an impermanence setup Mar 7, 2019 · Minikube: Minikube is a well established tool for local Kubernetes clusters but its reliance on a hypervisor rules it out. Also I learnt that apiserver. Source Code. Dec 10, 2020 · So as you see in the bottom this is not a package, but an overlay passed to nixpkgs. Compare colmena vs nixos-ha-kubernetes and see what are their differences. Deploy the NixOS 24. Mar 11, 2020 · The NixOS kubernetes module provides an option for automatic certificate bootstrapping and configuration, services. What you will learn: - Setting up nix to work with argocd - Deploying simple applications written purely in nix Sep 6, 2022 · I often hear that kubernetes is complex and that NixOS is simple. 05 (Quokka) MINIKUBE_WANTUPDATENOTIFICATION=false Using the docker driver based on user configuration 💣 Exiting due to PROVIDER_DOCKER_NEWGRP: "docker version --format -" exit Ansible vs NixOS: What are the differences? Key Differences between Ansible and NixOS Introduction. However, if this means we finally get to Nix Packages collection & NixOS. Sep 5, 2019 · Since the merge of kubernetes: 1. TL;DR: Proposal for a way to define multiple-machine systems in a immutable way, without requiring by-hand layouts. I found relevant information from sources like a presentation by Jaka Hudoklin<1>, the NixOS wiki<2>, the official Kubernetes documentation<3>, articles discussing best practices for Kubernetes production environments<4>, a comprehensive guide on Kubernetes installation Jul 15, 2020 · These days NixOS also has plenty of Kubernetes options and specifically a very interesting addon system allowing Kubernetes operators to be defined in the configuration. I am following this documentation: If no NixOS option works, what would be the best way to add this file NixOS Discourse Kubernetes in rootless docker. pem with services. 7M views. Kubernetes and OpenShift. But Nix adoption is still much lower than Kubernetes and Docker adoption. Members Online. Then instead of import <nixpkgs> {} Jun 15, 2021 · That is a great hint @ElvishJerricco. Suggest alternative. It is a Linux distribution with a unique approach to package and configuration management. NixOS’ “purity” (by some definition of the word) is what ultimately sets it apart from those Oct 1, 2018 · I wanted to use this project but I had enough trouble trying to deploy a 3 node kubernetes cluster using NixOS and nixops (kept on running into errors). This is similar to Arch. It demonstrates how to use Nix(OS) for all layers of a server stack. Need advice about which tool to choose? Ask the StackShare community! Setup a Kubernetes cluster using NixOS Jun 3, 2023 · I agree that declarative config is probably the best feature of NixOS. Kubernetes: Understanding the Differences and Choosing the Right Tool Blog As a DE, I test many of pipelines locally with Docker Compose and then deploy them on K8s. Now it’s time to look ahead and discuss what we want for the future, 20. The diff between the two init files are:. roles = [ "master" "node" ];, but it looks like aarch64 is not supported (errors below). NixOS enables declarative node management and HA k8s cluster building. I haven’t found these facts in one place, so I’m posting them here. 3 (with revert of module systemd dependencies) by johanot · Pull Request #67563 · NixOS/nixpkgs · GitHub we now at least have a stable kubernetes module (and package) for the 19. accidental Jan 16, 2019 · Kubernetes might be an excellent choice for many large-scale (really big), complex, and highly dynamic environments, Disnix offers a simpler, more controlled alternative that can Oct 1, 2018 · I was thinking recently about the possibility of a NixOps style tool that would deploy into a Kubernetes cluster. In NixOS you continue using the Nov 13, 2019 · Single dependency Kubernetes clusters for local testing, Contribute to NixOS Weekly Newsletter. The PKI bootstrapping process involves setting up a certificate authority (CA) daemon (cfssl) on the kubernetes master node. Nov 14, 2015 · Welcome to my talk about running kubernetes on nixos, i'm Jaka Hudoklin and will talk about why nixos and kubernetes are a great combination. I started out with Ubuntu and Fedora. Jul 18, 2022 · Hello, I’m wondering if there’s a decided policy/plan around when the kubernetes packages are updated to the latest release version? I see a commit from a few days ago that updates the patch version, but there is also a new minor version available that is already on it’s own third patch release. Contribute to hall/kubenix development by creating an account on GitHub. Plugins are built into the utility but trying to install them leads to permission errors since the package is installed via nix and the directory is read-only. With an intuitive GUI and a set of sane defaults that get users up and running fast, Portainer dramatically reduces the need for teams to learn your orchestrator, which leads Oct 2, 2023 · GitHub - justinas/nixos-ha-kubernetes: Toy highly-available Kubernetes Toy highly-available Kubernetes cluster on NixOS. nix in some empty directory, paste the snippet above and run it with nix develop. Wasm vs. This is outdated! k3s is now packaged in nixpkgs! In part 1, you should have got k3s installed onto your nixos system. Stars. Feb 20, 2022 · I'm setting up a home server and although most of the services won't be accessed from outside without a VPN, I was wondering whether I should go for Docker containers or just plain NixOS services. Lack of proper dependency isolation/management. So, you might want to go through its documentation to explore and get started. dbi option. 10 watching. I never remember which is which. The idea would be that services be build and pushed as containers, and then K8s deployments created for pods, as described in a Nix expression. My configuration is really really simple so I don’t think there’s much room for errors: Controller 0: services. openSUSE MicroOS. users. Aug 27, 2024 · NixOS environments are minimal, including only the necessary dependencies—ideal for ephemeral use cases. The Ingress concept lets you map traffic to different backends based on rules you define via the Kubernetes API. 3 days ago · K3s documentation is available at: https://github. Database layout will be created automatically by the hydra service, however keep in mind that some state will be stored in the database and a complete stateless configuration is currently not possible - do your backups. r/NixOS. In this article, we will explore the key differences between Docker and NixOS. Docker has basically been entirely deprecated by now. kubernetes nix nixos helm kubectl kube Resources. I’ve been reading a lot about Nix and NixOps recently, and although I’m still leaning towards Kubernetes overall as my system configurator Oct 4, 2022 · I agree that declarative config is probably the best feature of NixOS. It is often used as a drop-in replacement for Docker due to the fact that, excluding Docker Swarm commands, its CLI is fully compatible with the Docker CLI. On the other hand, NixOS focuses more on providing a purely functional package management system, I can't imagine using NixOS without home-manager. For now I am: creating a VM image using nix build . yy, the ‘LTS’ channels, denoted by version number; nixos-unstable the rolling-update unstable NixOS; nixpkgs-unstable, recommended for Nix-as-a-package-manager (NaaPM) nixos-(xx. I currently do not use NixOS as OS for Kubernetes simply because I do not host anything more than a local Kind cluster, yet would be freaking cool to have Nix immutability alongside Kubernetes. Kubernetes is an open source orchestration system for Docker containers. yaml files / helm charts are painful. Additionally I need to run echo TOKEN | nixos-kubernetes-node-join on every container too. It is possible to configure native systemd-nspawn containers, which are running NixOS and are configured and managed by NixOS using the containers directive. Jun 16, 2020 · Docker vs NixOS: What are the differences? Introduction. Built on top of the Nix package manager, it is completely declarative, makes upgrading systems reliable, and has many other advantages. 09. A simple, stateless NixOS deployment tool (by zhaofengli) Nixos Nix Deployment. NixOS-docker - DEPRECATED! Dockerfiles to package Nix in a minimal docker container toolbox-vscode - Nov 18, 2023 · Additionally, we explored how to configure the NixOS firewall to allow specific ports, providing a well-rounded approach to managing external access in both Kubernetes and standalone server environments. podman - Podman: A tool for managing OCI containers 5 days ago · Native NixOS containers. But I can't start Kubernetes: $ minikube start --driver=docker 😄 minikube v1. Sep 19, 2019 · Since the merge of kubernetes: 1. gautaz February 22, 2024, 2:58pm 1. However, Podman's capabilities extend beyond Docker compatibility, one of Oct 17, 2022 · Go web service; Terraform config; Terraform variable definitions and variable values; Kubernetes Deployment config; A Nix flake defines the development environment and package/app outputs; Nix-defined continous integration logic; GitHub Actions pipeline. It is immutable, and you can specify your systemd-managed containers in the config file, much like with flatcar. This time it will create a devShell with helm and helmfile and listed plugins available. Git commit Anyone with commit access can push changes to either master or one of the release-XX. NOTE: Before starting, I only had luck after setting systemd. It handles scheduling onto nodes in a compute cluster and actively manages workloads to ensure that their state matches the users declared intentions. Check helm plugin list to verify for helm. I researched the process of installing Kubernetes on NixOS for production environments by reviewing various sources, including guides from the NixOS Wiki, Kubernetes official documentation, Reddit discussions, and Stack Overflow questions. Issue #39327: kubernetes support is missing some documentation; NixOS Discourse: Using multiple nodes on unstable; Kubernetes docs; Sep 5, 2019 · Some of the pros of this approach: It has the potential of reducing the number of NixOS options from currently ~145 to ~20, provided that each of the cluster components have Sep 7, 2022 · I often hear that kubernetes is complex and that NixOS is simple. Most of the other features only derive their value from it. Contribute to justinas/nixos-ha-kubernetes development by creating an account on GitHub. The big thing is that NixOS, like Silverblue, doesn't touch your home directory. Kubernetes implements the author's pattern just fine - any OS state is defined within the container image, and any application state is defined within a Persistent Volume. It supports various orchestrators like Kubernetes, Docker Swarm, and AWS ECS, making it easy to deploy and manage containers in a distributed environment. related Kubernetes posts. Thinking I can use Nix as a backup package manager if there is something that takes too long to compile from portage. js Golang +6 more. Mar 5, 2021 · As a user of (significantly forked and hacked) k8s nixos machinery, my (unrequested) kneejerk reaction/opinion is:. May 7, 2022 · Wildcard option: Nixos can fill this role. Firstly, remove your swap filesystem. Q&A. (It supports file systems like ZFS and Ceph. GUIX is similar to NixOS (kind of) and tailored for advanced users wanting reliable upgrades and good control over their systems. kubenix - Kubernetes resource builder written in Nix; nix-kubernetes - Kubernetes deployment manager written in nix; NixOps related. It seems like it might be more friendly than bootspec-secureboot (which I haven't investigated). at. This part talks about running it as a service. 2 days ago · Proxmox Virtual Environment - shortened PVE - (wikipedia:en:Proxmox Virtual Environment) is a platform for containerization and virtualization. com/NixOS/nixpkgs/blob/master/pkgs/applications/networking/cluster/k3s/README. About me? Fullstack software engeneer in javascript, python, c, nix and more, Mar 28, 2023 · Since getting into NixOS I've been experimenting with using that for Kubernetes, however I probably wont end up using their module. Jul 9, 2021 · Differences between channels. fcos. Most of this project has been realized using kubernetes the hard way tutorial, and another nixos high availability k8s cluster project also based on NixOS can be installed on BIOS or UEFI systems. 5 days ago · The module will automatically enable postgresql if you do not change the services. I'm not a fan of fragmenting nixpkgs, but that's a general issue I have with flakes. System76 Power Management - Power profile management for Linux . I've 3 days ago · nixos-ha-kubernetes; References. 03 in particular, before we get too close to March 2020. Currently there are no actively developed nix tools for managing cluster state and I think it would be good to either start a new tool or pickup one Jul 19, 2024 · I’m trying to summarize from my view In a nutshell: Disnix tries to achieve what kubernetes also does. Setting up NixOS and Windows 10 on the Dell XPS 13 9370. The differences are mentioned in the following steps. . This work would not be possible without the many contributions of the community. nixos-ha-kubernetes. 03. But with the following (and maybe more) painpoints resolved: Container images and registry is stateful and hard to maintain. NixOS vs Talos: What are the differences? Developers describe NixOS as "A Linux distribution built on top of the Nix package manager". Jessica Stillman. pem (the public key for the CA root?) should go. Hydra is Nix's official continuous integration and build system. qcow2. May 24, 2022 · Google Anthos vs. Back to the Top. Oct 21, 2019 · Posted by u/[Deleted Account] - 5 votes and 4 comments Sep 23, 2018 · I’ve been a Linux user for as long as I can remember (which goes up to 5 years now), and have experimented with many distros. You can help too! Create or comment on the pull request for the next edition or look at the issue tracker to add other improvements. Top. Deploying k8s apps with kubenix. 0 Latest May 6, 2024 Feb 2, 2024 · Podman is a lightweight container engine that provides an easy-to-use command-line interface for managing images and containers. NixOS is a Linux distribution built on top of nixpkgs. Oct 14, 2020 · Comparative Analysis: MetalLB vs. NixOS's K3s Apr 21, 2022 · Okay so I’ve been working on installing Kubernetes, I’m very newbie at it so this might be something obvious to anyone experienced with it. I’m venturing into the wonderful world of kubernetes and figured out how to set up a declarative rootless server. nix: services. 🙂 Also, more importantly, it didn’t support multi-master (HA) setups. Note: the deploy job in the Actions pipeline is expected to fail, as it assumes that the Kubernetes cluster Jul 30, 2024 · Hello All! I have benefited majorly from the guides and discussion on this site and hope to contribute a little bit. For example with the NixOS module, all you need is services. )Mostly it can be used with a WUI. Whether you’re using a Raspberry Pi, an Apple M1/M2 chip, or any ARM-based system, Minikube provides a great way to experiment with Kubernetes on ARM hardware. Overall, Nix is in the top five of all open source projects, in terms of contributors, following only Linux, React, Kubernetes and Pytorch. oci-containers. Has anyone had any luck installing helm plugins? Here is the shell. Arion - configure Docker Compose with Nix modules; Nixery - ad-hoc container images from Nix; Kubernetes. Not sure. Disnix is a microservice Jun 3, 2023 · Differences between channels. I tried enabling kubernetes with services. Discussion Hello homelabers ! I’m actually using Debian in my homelab, and at work. There are four classes of NixOS channels: nixos-xx. 05 Deprecated 24. So far I am aware of a few others who are using either k8s or k3s on nix and I think it would be useful to create a centralized place to discuss issues and ideas. I'll see how it goes. 05. pem Feb 17, 2019 · I am trying to run kubernetes on nixos in a single node mode. Thinking k3s for starters just to see things in action on this older hardware. I have a working k3s cluster using NixOS 22. Jun 11, 2021 · Hi there! Today was the first time, that I had the need to try something out in a cluster. If you are a new Linux user, you should not expect it to be your daily driver. Inspired by nixos-ha-cluster, I began to build. That said, not mentioning the reproducibility and what @Solene calls the “clean slate” risks making NixOS seem like just another ansible or chef. Containers are small, spawn quickly and exist for only very short periods of time, making it extremely difficult to manually deploy and manage complex applications composed with CoreOS vs NixOS: What are the differences? Key Differences between CoreOS and NixOS. Currently in the middle of a distro hop from Arch to Gentoo but doing some reading on Nix (and Guix). Instead we’ll use kind, which: Depends on Docker only Jun 3, 2023 · Differences between channels. Aug 21, 2022 · Hello, This thread is to gather interest for Kubernetes on Nix. However, I want to follow recommended upgrade instructions. Shared insights. Will try to look into them individually tomorrow, if someone else doesn't beat me to it :-). Feed Browse NixOS is a Linux distribution built on top of the Nix package manager. In the process of debugging this & trying to make Mar 13, 2023 · This requires me though to manually copy the ca cert to the master node (see etcd not init etcd. But anything running in a kubernetes cluster that has multiple masters and etcd will need add iops, eventually killing an SSD in my experience. It is open source and is based on Debian GNU/Linux May 26, 2023 · Docker Compose vs. md Nov 14, 2024 · This guide accompanies my 2023 Kubecon talk, Nix, Kubernetes, and the Pursuit of Reproducibility. The idea is nothing new: Microsoft has been offering “Last Known Good Configuration” as a boot option as far back as Windows 2000 (full list of advanced startup options). I’m curious, do you use nixOS in your homelab for Kubernetes? This idea is growing in my head ;) Share Sort by: Best. 0. Well hidden in a github issue (which I can’t find now) I found that I have to delete some files and that I have to set masterAdress to the hostname, as the cert-deamon seems to not be able to generate a cert for an IP. The differences between his project and this. pluginsDir and picks up the plugins correctly. NixOS’ “purity” (by some definition of the word) is what ultimately sets it apart from those 4 days ago · Bento - a NixOS fleet manager supporting remote systems not up 24/7; Docker. nix file and setup direnv in that directory. StackShare Enterprise . Jul 24, 2022 · I know that in the past, people brought up the discussion to have separate repos for K8S in Nix, see (nixos/kubernetes: extract module from nixpkgs into out-of-tree flake · Issue #115179 · NixOS/nixpkgs · GitHub) as a way to fast iterate and simplify nixpkgs abstraction, I do not know how successful they were but is another starting point to 4 days ago · What is Nix, nixpkgs and NixOS? Nix is a build system and package manager that allows to manage whole system configurations as code. NixOps - . The difference is that in Arch at some point you load Pacman and then load packages off AUR, and possibly containers like AppImage or Flatpaks if necessary. nix -A terraformFull. I'm just getting started using Vagrant to help automate setting up local VMs to set up a Kubernetes cluster (development and experimentation only). We're running 100% Kubernetes, including for databases and other stateful workloads. Sep 5, 2019 · When we started using Kubernetes at my day job a couple of years ago, we deselected kubeadm because at that time it still had a: don’t use in production notice in the public README. Controversial. 30 forks. What I was wondering is if there’s prior art around this. On other operating systems (Debian based), I was able to easily do this using k3s. Nov 19, 2024. It massively expands what you can do with NixOS. easyCerts. And it casually defines it in a beautifully concise way: It’s useful to separate Kubernetes’ functionality into three distinct responsibilities: a distributed control loop Sep 21, 2022 · I know that in the past, people brought up the discussion to have separate repos for K8S in Nix, see (nixos/kubernetes: extract module from nixpkgs into out-of-tree flake · Issue #115179 · NixOS/nixpkgs · GitHub) as a way to fast iterate and simplify nixpkgs abstraction, I do not know how successful they were but is another starting point to Jun 3, 2023 · Differences between channels. To show how Nix could be used to manage Kubernetes, Rosso set up a virtual machine disc image populated with Kubernetes, containerd, and kubeadm, and then spun up three instances. openSUSE MicroOS is built for servers Dec 19, 2022 · Hello everyone. Here is an interesting angle on kubernetes’ complexity via an asessment of its essential vs. It is based on container images and can be represented as a Kubernetes resource to build new versions, which means that all you Aug 20, 2022 · First, Sorry for the late response 😛 I currently do not use NixOS as OS for Kubernetes simply because I do not host anything more than a local Kind cluster, yet would be freaking cool to have Nix immutability alongside Kubernetes. This is super fun, Nix manages all my config files and secrets in a declarative way, so it is really easy to roll back any changes. Nix-kubernetes is a Kubernetes deployment manager written in nix. Aug 20, 2022 · First, Sorry for the late response . masterAddress = "XXXXXX"; users. This way, I can have a declarative and reproducible setup for my development environment. Instead, Terraform uses an HCL configuration to handle that. containers since it only works with docker or Feb 22, 2024 · Hello, I am trying to use kind (kubernetes in docker) with my rootless docker installation on NixOS. nixops-manager - NixOps Nov 10, 2024 · Workgroup:Kubernetes. In my main NixOS config /etc/nixos/configuration. cfssl puts it in /var/lib/cfssl/ca. I meant in terms of NixOS. 14. I generally prefer to be much more specific and often wrap individual “packages” to get their own limited view on env-vars. Edit details. Dec 7, 2023 · Nix to Deploy Kubernetes. Zimbatm describes configuring Kubernetes using typed Nix wrappers to generate the Kubernetes YAML files. More importantly, it’s much lower than it ought to be. kubernetes = { roles = ["master" ]; masterAddress = controller-0. I peeked inside the init script in the initrd. 2. XXXXXX. 15. Contribute to NixOS/nixpkgs development by creating an account on GitHub. Open comment sort options. I compared that to the initrd from a working 20. How to solve all of this? I found a nice way to cover all the topics up there. nix I made the following changes: Oct 8, 2022 · One thing to note on NixOS vs other congruent systems is that it doesn’t require a “host” that is managed by another mechanism, unlike the various image-related tools out there. Toy highly-available Kubernetes cluster on NixOS (by justinas). The key difference between the two is that Google Cloud Anthos is a step up from Kubernetes clusters; it helps manage the problem of multiple clusters. Edit: Here's a Nov 14, 2024 · Nix, the language, packages, and operating system, is seeing increased popularity with its promise of providing a highly-composable way to create reproducible software. The hypervisor, which includes network stack configuration along with libvirt, qemu, and kvm. Here, I tried to explain their differences. Both of them run Proxmox at the moment and they are clustered, with the bigger Jun 4, 2020 · Kubernetes on nixOS using k3s (Part 1) June 4th, 2020. What I need is an option to boot right into the last known good configuration if a system update went wrong. Sep 9, 2023 · Nix is an amazing build tool not only for applications, but also for the infamous "yaml engineering". config. Regarding easyCerts: It seemed less intrusive to not enable that option by default, in order not to mess with custom PKI-setups of existing clusters. Komplexity / Operational overhead Mar 6, 2024 · A recipe for a cluster of virtual machines managed by Terraform, running a highly-available Kubernetes cluster, deployed on NixOS using Colmena. But with home-manager, you can place files anywhere you want in your home directory, which gives you a much better ability to control your computer in a reproducible way. I cannot enable the NixOS-managed firewall without the cluster becoming unreachable. What’s your take on these options? Feb 20, 2019 · Diving into NixOS. 11 unstable. Is there a recommended distro? We think the Mar 11, 2023 · I had a very good time using lanzaboote as a NixOS newbie, simply following the documentation. Help. pem Mar 25, 2023 · Seems like you have naming issues flannel tries to find the node named “gestalt” but I don’t find it among the nodes. Unfortunately, Docker desktop is not available for Linux. So, I thought I’m going to set it up on NixOS, having to deal with NixOS mostly, since the Kubernetes area is nothing new to me. Jeff Bezos Says the 1-Hour Rule Makes Him Feb 18, 2019 · I am trying to run kubernetes on nixos in a single node mode. so file. Configuration. In this article, we will focus on Linux. Watchers. This is outdated! k3s is now packaged in nixpkgs! k3s is a lightweight kubernetes distribution and works incredibly well. Response to Flakes; Light weight nodes by LXC/Incus; k8s environment with ingress-nginx, LoadBalancer and Sep 5, 2019 · Since the merge of kubernetes: 1. I personally still prefer that easyCerts is opt-in, not opt-out. Again, create a flake. ️ Elasticsearch instance graciously provided by Bonsai. passthru. From the pods’ logs, it seems like all internal traffic is blocked, as well. PVE can manage a so called "data center" as a cluster of machines and storage. I know I’ve seen a few articles about building Nov 19, 2023 · Actually from a kubernetes perspective you would mostly user containerd as container runtime. Minikube is still a contender here. 09 system (lines 554 and 279, respectively). Jun 10, 2022 · Some other libraries as well, for example, VS Code remote language server can't start because node doesn't find a certain . Sources: Difference between channels? xLICENSE · GitHub Diffing source-paths. The NixOS manual is available by running nixos-help in the command line or from the application menu in the desktop environment. nix file I’ve been Jul 9, 2021 · The nixos channel also runs many more nixosTests as part of it jobset as well as constituents (required jobs for a channel release). NixOS/QEMU: NixOS makes it easy to build and start arbitrary configurations via QEMU but this obviously is not cross-platform and thus not an option. As of August 2024, it requires extra effort to set up and maintain, and it might not offer a smooth experience. Just like apt, rpm, and pacman, Nix is a Linux package manager with more than 80k Sep 17, 2020 · One are set through shells RC files, while the other are set through PAM. To have access to the command line on the graphical Jun 13, 2021 · Has anyone gotten the a single node kubernetes (following Kubernetes - NixOS Wiki) working with nixos-rebuild build-vm and result/bin/run-nixos-vm? I’ve set up a lot of port forwards with QEMU_NET_OPTS but no matter what I do certmgr never starts and nothing ever generates the cluster-admin. running the VM using qemu-system-x86_64 But it is not clear to me how packages dependencies are calculated. Now of course I need to upgrade to NixOS 22. Do you have any advice on deploying a kubernetes cluster using the nixpkgs service? manveru October 1, 2018, 8:34pm 4. colmena. All of that is configured in the repo’s flake, which amounts to a few dozen lines. Old. 11 released - Published on Sat Nov 30 2024 . Please correct me for any inaccuracies. I went ahead and installed it and tried some stuff out. Can’t help you Compare Kubernetes vs NixOS. A Terraform Module refers to a self-contained package of Kubernetes - Manage a cluster of Linux containers as a single system to accelerate Dev and simplify Ops. Nov 1, 2018 · In the previous article of this series, we described two solutions for local Kubernetes development on Windows. Dec 13, 2019 · While trying to install Kubernetes on nixos, using the following stanza: services. Currently there are no actively developed nix tools for managing cluster state and I think it would be good to either start a new tool or pickup one Jun 5, 2020 · Kubernetes on nixOS using k3s (Part 2) June 5th, 2020. I once investigated on this a while ago: to my taste the auto-upgrades done arbitrarily by a in-cluster controller are a bit too much. 11 Vicuña. The community is growing faster than ever, and Nixpkgs has become one of the most active open source projects of all time. You can make it available in an ephemeral shell by typing one of the following: nix-shell -p kubectl nix-shell -p kubernetes nix-shell -p openshift 2 Likes. nixpkgs is a set of 20k+ packages built with Nix. Kube-VIP for On-Prem Kubernetes When setting up on-premises Kubernetes clusters, selecting the right load balancer is vital for efficient traffic management and Nov 13, 2024 · Minikube is a lightweight Kubernetes implementation that allows you to run a Kubernetes cluster locally on your machine. nix-snapshotter. kubernetes = { roles = ["master" "node"]; }; when I run nixos-rebuild, I do get kubectl executable and I notice that a Mar 27, 2023 · preface: I'm aware of the differences between NixOs, Nix as a package manager, and the Nix programming language. Hello, I am Jul 9, 2021 · I’ve managed to glean the following information about the various Nix channels. And since Kubernetes is a container orchestration platform, I’d say that is what I expect from it: to orchestrate OCI containers. The cluster has been successfully created, and because we are using Docker Desktop, the network is all set for us to use "as is". So we can Kubernetes management with Nix. If it might be useful, I have a straightforward NixOS config using lanzaboote running on 2 machines at raehik/nixos-cfgs. 138. hostname; apiserverAddress = "https://${controller Aug 9, 2023 · 👋🏻 Hey fellow nixers! I am seeking some wisdom for using NixOS as a homelab hypervisor and would appreciate any thoughts and ideas to help me figure out the right path forward. on. Dec 3, 2022 · I’ve set up a couple of Kubernetes clusters with firewall interfaces like ufw, iptables, nftables, etc. I have added the following to my configuration. We are interested in running a declarative container orchestrator with a declarative operating system! People. Search. However docker does fill a different niche as you say, and I continue to use it after transitioning due to microservices projects, multi tenancy between various clients and closer emulation of staging and production environments (even Dec 7, 2022 · I’ve set up a couple of Kubernetes clusters with firewall interfaces like ufw, iptables, nftables, etc. advertiseAddress has to be the IP (as I changed it to the hostname as well in first try). Thanks. Oct 30, 2018 · I have various kubernetes clusters of different versions, some old enough that the current kubernetes kubectl will not work with them. I know Jan 29, 2021 · We think that today Nix is somewhere between these extremes. qrmje bec ozfmze vxdayk bohqjwus pmwof ifjsssr qqgr vetrym tlwbpj