Harald Hoyer
5a362acdd3
The attic-client has been added to the packages for the x86_64-linux system. This change enables interaction with the Attic distributed storage system, expanding the capabilities of this system setting.
52 lines
1.4 KiB
Nix
52 lines
1.4 KiB
Nix
{ pkgs, lib, config, ... }:
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{
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services.postgresql = {
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enable = true;
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ensureDatabases = [ "attic" ];
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ensureUsers = [{ name = "atticd"; }];
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};
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systemd.services.postgresql.postStart = lib.mkAfter ''
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$PSQL -tAc 'ALTER DATABASE "attic" OWNER TO "atticd"'
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'';
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environment.systemPackages = with pkgs; [
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attic-client
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];
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services.atticd = {
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enable = true;
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# Replace with absolute path to your credentials file
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credentialsFile = "/etc/atticd.env";
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settings = {
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database.url = "postgresql:///attic?host=/run/postgresql";
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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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