https://github.com/determinatesystems/hydra-scale-equinix-metal

Scale Equinix Metal builders based on Hydra usage.
https://github.com/determinatesystems/hydra-scale-equinix-metal

Last synced: about 1 year ago
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Scale Equinix Metal builders based on Hydra usage.

• Host: GitHub
• URL: https://github.com/determinatesystems/hydra-scale-equinix-metal
• Owner: DeterminateSystems
• License: mit
• Created: 2023-01-02T14:13:06.000Z (over 3 years ago)
• Default Branch: main
• Last Pushed: 2024-04-19T19:51:02.000Z (about 2 years ago)
• Last Synced: 2024-04-19T20:52:47.760Z (about 2 years ago)
• Language: Rust
• Size: 78.1 KB
• Stars: 2
• Watchers: 2
• Forks: 2
• Open Issues: 4
• Metadata Files:
  • Readme: README.md
  • License: LICENSE

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README

          
# Equinix Metal autoscaler for Hydra

This tool will query a Hydra instance for queue statistics and create

or destroy Equinix Metal instances according to load. It is used to

scale up and down capacity for hydra.nixos.org.

## Usage

Currently we have quite a few assumptions that only really apply to

the NixOS Hydra instance. Check out the source if you're interested in

running this yourself, because you'll probably need to do that anyway

;)

It relies on (this list may not be exhaustive):

 - [hydra-packet-importer](https://github.com/NixOS/nixos-org-configurations/tree/master/hydra-packet-importer) running to get the instances into Hydra's builder list

 - A Prometheus instance being set up to scrape Hydra, in order to determine what's currently running on a given builder

 - [nix-netboot-serve](https://github.com/DeterminateSystems/nix-netboot-serve/) or some other mechanism being set up to serve boot configs for the build machines