Provisioning: Add Hetzner #654
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| This guide shows how to provision new Fedora CoreOS (FCOS) nodes on Hetzner. | ||
| Fedora CoreOS is currently not available as an option in the operating system selection on Hetzner. | ||
| Fedora CoreOS images for Hetzner are currently not directly available for download either. | ||
| Thus you must first download a Fedora CoreOS RAW disk image, then convert it to an Hetzner image locally and finally create a snapshot from it in your Hetzner account using the https://github.com/apricote/hcloud-upload-image[hcloud-upload-image] tool. |
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FWIW, as per https://github.com/apricote/hcloud-upload-image?tab=readme-ov-file#support-disclaimer, this isn't an official tool. I feel like our docs should stick with tools available in Fedora or from the cloud provider directly. At the very least, it seems worth calling this out in a WARNING.
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Two official alternatives:
hcloudCLI and some shell script- Packer with
packer-plugin-hcloud. Example templates:
I personally found both of these options annoying and not very user friendly, so I wrote the CLI/Go Lib to improve on this. hcloud-upload-image will be deprecated in favor of an hcloud subcommand if an official endpoint for uploading images is added to the API.
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I would say this entire page is "best-effort" given that we don't produce images. But I'm also fine adding a warning specifically for this tool.
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I did not go the packer route because it depends on packer and it's no longer open source.
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It should also be mentioned that all variants ultimately create a temporary server that will be billed at the end of the month (even though it shouldn't be that much money since Hetzner charges by minutes used; however, unknown servers unexpectedly appearing on the bill might confuse users). It should also be mentioned that this will create a snapshot that also costs money depending on the image size (0.0110 € per GB per month plus VAT); permanently if not deleted manually.
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I added an "important" note about both of those topics at the top.
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Initial documentation to setup FCOS on Hetzner. Inspired by: https://www.flatcar.org/docs/latest/installing/cloud/hetzner/ See: coreos/fedora-coreos-tracker#1324
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Thanks! Fixed. I'll do another full pass to test it again from scratch. |
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I've filed hetznercloud/cli#825 to ask about making the tool more official |
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hetznercloud/cli#825 has been closed so this will remain "unofficial" / best effort supported for now. I still think we should document this as this is still using the platform as intended. |
Initial documentation to setup FCOS on Hetzner.
Inspired by: https://www.flatcar.org/docs/latest/installing/cloud/hetzner/
See: coreos/fedora-coreos-tracker#1324