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Multi-tenant Nix Binary Cache
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Zhaofeng Li 384e7aa92d client/config: Set permission to 0600 on creation and write
2023-01-02 23:29:09 -07:00
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client client/config: Set permission to 0600 on creation and write 2023-01-02 23:29:09 -07:00
server server/adm: Also honor ATTIC_SERVER_CONFIG_BASE64 2023-01-01 20:59:02 -07:00
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README.md

Attic

Attic is a self-hostable Nix Binary Cache server backed by an S3-compatible storage provider. It has support for global deduplication and garbage collection.

Attic is an early prototype.

⚙️ Pushing 5 paths to "demo" on "local" (566 already cached, 2001 in upstream)...
✅ gnvi1x7r8kl3clzx0d266wi82fgyzidv-steam-run-fhs (29.69 MiB/s)
✅ rw7bx7ak2p02ljm3z4hhpkjlr8rzg6xz-steam-fhs (30.56 MiB/s)
✅ y92f9y7qhkpcvrqhzvf6k40j6iaxddq8-0p36ammvgyr55q9w75845kw4fw1c65ln-source (19.96 MiB/s)
🕒 vscode-1.74.2        ███████████████████████████████████████  345.66 MiB (41.32 MiB/s)
🕓 zoom-5.12.9.367      ███████████████████████████              329.36 MiB (39.47 MiB/s)

Try it out (15 minutes)

Let's spin up Attic in just 15 minutes. And yes, it works on macOS too!

Goals

  • Multi-Tenancy: Create a private cache for yourself, and one for friends and co-workers. Tenants are mutually untrusting and cannot pollute the views of other caches.
  • Global Deduplication: Individual caches (tenants) are simply restricted views of the content-addressed global cache. When paths are uploaded, a mapping is created to grant the local cache access to the global NAR.
  • Managed Signing: Signing is done on-the-fly by the server when store paths are fetched. The user pushing store paths does not have access to the signing key.
  • Scalabilty: Attic can be easily replicated. It's designed to be deployed to serverless platforms like fly.io but also works nicely in a single-machine setup.
  • Garbage Collection: Unused store paths can be garbage-collected in an LRU manner.

Licensing

Attic is available under the Apache License, Version 2.0. See LICENSE for details.

By contributing to the project, you agree to license your work under the aforementioned licenses.