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32 lines
2.7 KiB
Markdown
32 lines
2.7 KiB
Markdown
# Global
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### NOTE: this repo is meant to be used for me only. if you somehow stumbled on this, be sure to change some stuff in `runglobal.yml`.
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This repository transforms GitHub Actions into a (12 * 2)/(3.5 * 2) free s36v36 no CC required. It is originally made out of [Docker-VNC](https://github.com/Efebey2903/Docker-VNC), but I got too addicted into this and turned it into another project with a lot more improvements.
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# How It Works
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#### (totally not [ChatGPT](https://chatgpt.com) generated (with some modifications), [original prompt](https://chatgpt.com/share/6711fc01-0178-8009-8ac8-2be6917b54f6))
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During the first runtime, a data directory named `globalData` is created in `/mnt/`, which is [Azure's temporary storage partition](https://learn.microsoft.com/en-us/azure/virtual-machines/managed-disks-overview#temporary-disk). This partition is used for storing the swap file by default, but also offers a lot of space for storing large files.
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The runtime will make a `globalData` directory in that temporary storage partition. You can store the stuff that you don't want to keep throughout the runtimes inside that folder. There’s also another folder called `toBackup` inside `globalData`. Files in this folder will persist across the runtimes. It also contains these two scripts:
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- `postinstall.sh` – runs after the runtime finishes setting things up.
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- `postruntime.sh` – executes 30 minutes before the runtime stops (which has a maximum limit of 6 hours).
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You can configure tasks that you want to start or stop at each runtime.
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For the `toBackup` data bridge, I first archive the folder into the file `archive.tar.gz`. Then I used [serve](https://github.com/vercel/serve), which runs on the old runtime's port 5000, then on the new runtime, I used [aria2](https://github.com/aria2/aria2) to download the archive in parallel and finally extract the archive.
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And with all of this, I also have Discord Webhook integration so you get notified on new runtimes, and [Tailscale](https://tailscale.com/) set up so you can actually access the runtime.
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# Why not just use actions' [`on.schedule.cron`](https://docs.github.com/en/actions/writing-workflows/workflow-syntax-for-github-actions#onschedule)?
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[The time is not accurate](https://docs.github.com/en/actions/writing-workflows/choosing-when-your-workflow-runs/events-that-trigger-workflows#schedule:~:text=The%20schedule%20event%20can%20be%20delayed%20during%20periods%20of%20high%20loads%20of%20GitHub%20Actions%20workflow%20runs.%20High%20load%20times%20include%20the%20start%20of%20every%20hour.), which may lead to a downtime gap between each runtime.
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# Secrets that are NEEDED to set
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- `WEBHOOK_URL` - discord webhook url
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- `TAILSCALE_KEY` - tailscale auth key
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