nixos-configs/devices/nos/modules/snapraid.nix

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{
config,
lib,
...
}: let
inherit
(lib)
attrValues
filterAttrs
hasPrefix
listToAttrs
mapAttrs
optionalString
substring
toInt
;
parityDrives = filterAttrs (n: v: hasPrefix "p" n) config.fileSystems;
dataDrives = filterAttrs (n: v: hasPrefix "d" n) config.fileSystems;
in {
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services.snapraid = {
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enable = true;
dataDisks = listToAttrs (attrValues (mapAttrs (n: fs: {
name = substring 0 2 n;
value = fs.mountPoint;
})
dataDrives));
parityFiles = attrValues (mapAttrs (n: fs: "${fs.mountPoint}/snapraid.${
let
i = (toInt (substring 1 1 n)) + 1;
in
optionalString (i != 1) "${toString i}-"
}parity")
parityDrives);
contentFiles =
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["/var/snapraid.content"]
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++ map (fs: "${fs.mountPoint}/content") (attrValues dataDrives);
exclude = [
"*.bak"
"*.unrecoverable"
"/tmp/"
"/lost+found/"
".AppleDouble"
"._AppleDouble"
".DS_Store"
".Thumbs.db"
".fseventsd"
".Spotlight-V100"
".TemporaryItems"
".Trashes"
".AppleDB"
];
};
}