nixcfg/systems/x86_64-linux/sgx-nixos/atticd.nix
Harald Hoyer a1a951bc9e feat: Extend garbage collection retention in atticd
This commit changes the default retention period for garbage collection in the attic daemon setting from 30 days to 3 months. This will allow the system to maintain data for a longer period before cleaning.
2024-06-28 13:53:51 +02:00

56 lines
1.5 KiB
Nix

{ pkgs, lib, config, ... }:
{
services.postgresql = {
enable = true;
ensureDatabases = [ "attic" ];
ensureUsers = [{ name = "atticd"; }];
};
systemd.services.postgresql.postStart = lib.mkAfter ''
$PSQL -tAc 'ALTER DATABASE "attic" OWNER TO "atticd"'
'';
environment.systemPackages = with pkgs; [
attic-client
];
services.atticd = {
enable = true;
# Replace with absolute path to your credentials file
credentialsFile = "/etc/atticd.env";
settings = {
api-endpoint = "https://attic.teepot.org/";
garbage-collection.default-retention-period = "3 months";
database.url = "postgresql:///attic?host=/run/postgresql";
listen = "[::]:8080";
# Data chunking
#
# Warning: If you change any of the values here, it will be
# difficult to reuse existing chunks for newly-uploaded NARs
# since the cutpoints will be different. As a result, the
# deduplication ratio will suffer for a while after the change.
chunking = {
# The minimum NAR size to trigger chunking
#
# If 0, chunking is disabled entirely for newly-uploaded NARs.
# If 1, all NARs are chunked.
nar-size-threshold = 64 * 1024; # 64 KiB
# The preferred minimum size of a chunk, in bytes
min-size = 16 * 1024; # 16 KiB
# The preferred average size of a chunk, in bytes
avg-size = 64 * 1024; # 64 KiB
# The preferred maximum size of a chunk, in bytes
max-size = 256 * 1024; # 256 KiB
};
};
};
}