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homelab
- My homelab setup's re-usable Ansible role for Dynamic DNS from a gateway/router to AWS Route53 (in case anyone is interested)
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On-Prem Deployments - How are you doing it?
At home in my Homelab I use PXE to provision bare metal nodes, and Ansible to deploy k8s on them. I know this setup isn't really used for anything yet, but I'm kinda proud of it. I can reprovision nodes at will by simply issuing one command, no monitor needed, no keyboard needed. That's the same level of comfort as a hypervisor, but it's bare metal.
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What's your private cluster environment for Kubernetes-related dev
This is my new repo for my homelab and it includes a k8s.yml file, which is much cleaner and uses more Ansible roles to keep various tasks separated. So you can easily break off k8s.yml and all the k8s roles into your own repo if you want to steal it. I'm not completely done with this setup though, I'm testing FluxCD right now because I might want to ditch ArgoCD.
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Bare Metal Solutions
I ended up writing my own, twice actually. Just re-wrote my entire k8s setup for my new homelab. It's published here on gitlab.com. It's not very well documented since it's for personal use but I think it emphasizes how easy it is to setup kubeadm and why there is little reason to make it more complicated than it needs to be.
playbooks
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On-Prem Deployments - How are you doing it?
At work we deploy to VMs in VMware vCloud director, using Terraform and Ansible. I actually have the Ansible repo we use public, but it's a 3yo holy mess and I've made a new one that I use in my homelab so far, like that one much better.
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What's your private cluster environment for Kubernetes-related dev
It sure is, use at your own peril. This is my first attempt at setting up kubeadm with Ansible, also the repo we currently use at work. While it can be used for both on-prem and managed k8s, it's a holy mess and I would not suggest anyone use it.
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Is building a simple SMTP (email) server that difficult?
I made some ansible playbooks to quickly setup one on Linode. But they're still missing the SPF+DKIM+DMARC setup in DNS I need to have a chance of sending mail.
- Vagrant setup for creating a bare-metal k8s cluster
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You have a domain, can you self-host the email server?
Then I automated the setup of a Linode VPS+Route53 DNS to create a recipient email server at the press of a button using ansible, will add other hosts to it like Digitalocean and DO DNS in time.
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Self Hosted Linodevps
Here's one example of me spinning up a MariaDB cluster using vagrant and ansible: https://gitlab.com/stemid-ansible/playbooks/ha-maxscale
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Which configuration management tool do You prefer? (its not about infrastructure as a code)
If you're into that kind of stuff I make my ansible playbooks available on Gitlab.
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Three RPI4 nodes after a week of blood, sweat, and mountain dew. I friggin did it! What do i even do now?
Well then your goal now is to destroy the cluster and re-build it with automation. I use Ansible to do that in Vagrant CentOS 7 boxes.
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Is there any way to get Kubernetes cluster with maximum 5€/month for learning purpose?
My own Ansible+vagrant setup works only om CentOS.
What are some alternatives?
ansible-role-k3s - Ansible role for deploying k3s cluster
docker-mailserver - A fullstack but simple mail server (SMTP, IMAP, LDAP, Antispam, Antivirus, etc.) using Docker. [Moved to: https://github.com/docker-mailserver/docker-mailserver]
rke2
k3s-gitops-arm - k3s cluster backed by Flux (GitOps) up and running on a cluster of RPi4
ansible-role-k3s - Ansible role for installing k3s as either a standalone server or HA cluster.
kube-karp - ☸ Add a floating virtual IP to Kubernetes cluster nodes for load balancing easily.
k3s - Lightweight Kubernetes
talos - Talos Linux is a modern Linux distribution built for Kubernetes.
hetzner-k3s - A CLI tool to create and manage Kubernetes clusters in Hetzner Cloud using the lightweight distribution k3s by Rancher.
flintlock - Lock, Stock, and Two Smoking MicroVMs. Create and manage the lifecycle of MicroVMs backed by containerd.