1. Nomad spread scheduler

    I'm maintaining a nomad cluster already a few years now at home, based on some thin clients and a few raspberry pi's.

    The workload is growing from uses cases of the plane-spotting services towards a pi-hole setup, vaultwarden, homeassistant and many more use cases.

    One of the issues I encountered was based on the default scheduling algorithm. Raspberry pi's are not known as the most efficient solution to run a huge workload. Default nomad will schedule new containers on one compute node until the resource limits of that node are consumed and only then will start consuming another node. This …


  2. Traefik nomad route53 setup

    I have this nomad cluster running on some spare devices for a while now. Serving my plane spotting setup, dns setup, mqtt bridge and some other services I experiment with throughout the years. Until today I've always relied on the ip addresses to point my browser and other services towards the different services. For my DNS setup I even had to pin the jobs towards specific hardware using meta data.

    But I've always wanted to implement a proxy in between so I could rely on DNS names instead. This would also increase the flexibility of my DNS setup since for …


  3. Plane spotting on a nomad cluster

    Some weeks ago I upgraded my plane spotting setup by moving my antenna to the roof. It was worth every single effort I've made into it. My stats are rocking ever since. Until the corona crisis halted almost every airline to standstill..

    It gave me some time to thinker about my setup, and for some weird coincidence Mike did create a series of docker containers like I was thinking about to implement. I have one pi connected to the USB device which captures the ADB radio signals.

    But in the current situation it also feeds the flightaware service since I …


  4. Piaware on a nomad cluster

    A couple of years ago I stumbled on the flightaware website and figured out you could capture radio signals from an airplane using a DVB-T dongle which can be bought for about EUR 15.

    As this really triggered me to start monitoring planes above our head I bought myself such a device, hooked it up to a raspberry pi zero, installed the piaware software and started grabbing the messages and pushing the compiled positions through flightaware.

    Through time I managed to upgrade my home lab towards a nomad cluster. So I migrated my piaware setup to a nomad node and …


  5. Nomad ARM cluster

    as I already mentioned a few times before I have some hands on experiences with nomad. A couple of weeks ago I wrote about a local development setup based on nomad.

    Since quite some time I do have a thinclient which is running some docker containers through a docker-compose file I use for personal stuff at home. But this thinclient is suffering from all the containers I'm trying to spin up. While over thinking this issue I did realize I have quite some raspberry pi's laying around and figured I could maybe set up a cluster for those containers.

    Since …


  6. Nomad local development

    Been using nomad for a few years now at the customer I got the question couple of weeks ago from some colleagues if nomad could be used to replace docker-compose.

    The reason behind the question is mainly to not vendor lock yourself for local development with the whole docker eco system.

    Since I like a certain level of challenge and I do believe it's a valid use case I gave it a try.

    This resulted in a nomad-local-development repository. The 2 major hurdles to take where to use one file like docker-compose.yml and dns resolving between the containers.

    The …


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