57 lines
1.6 KiB
Nix
57 lines
1.6 KiB
Nix
{
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nixpkgs,
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nglib,
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...
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}:
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nglib.makeSystem {
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inherit nixpkgs;
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system = "x86_64-linux";
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name = "nixng-attic";
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config = {...}: {
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dinit.enable = true;
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init.services.attic.shutdownOnExit = true;
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services.attic = {
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enable = true;
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settings = {
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# The '+" is to explicitly denote the end of the Vals expression.
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# This is done because we quote the template for the toml file.
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# See: https://github.com/helmfile/vals?tab=readme-ov-file#expression-syntax
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# database.url = "ref+sops://secrets.yml#attic/databaseURL+";
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database = {};
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storage = {
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type = "local";
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path = "/var/lib/atticd/storage";
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};
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listen = "[::]:8080";
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# Data chunking
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#
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# Warning: If you change any of the values here, it will be
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# difficult to reuse existing chunks for newly-uploaded NARs
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# since the cutpoints will be different. As a result, the
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# deduplication ratio will suffer for a while after the change.
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chunking = {
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# The minimum NAR size to trigger chunking
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#
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# If 0, chunking is disabled entirely for newly-uploaded NARs.
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# If 1, all NARs are chunked.
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nar-size-threshold = 64 * 1024; # 64 KiB
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# The preferred minimum size of a chunk, in bytes
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min-size = 16 * 1024; # 16 KiB
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# The preferred average size of a chunk, in bytes
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avg-size = 64 * 1024; # 64 KiB
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# The preferred maximum size of a chunk, in bytes
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max-size = 256 * 1024; # 256 KiB
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};
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};
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};
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};
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}
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