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{ config, lib, pkgs, ... }:
with lib;
let
cfg = config.services.garage;
toml = pkgs.formats.toml { };
configFile = toml.generate "garage.toml" cfg.settings;
in
{
meta = {
doc = ./garage.md;
maintainers = with pkgs.lib.maintainers; [ raitobezarius ];
};
options.services.garage = {
enable = mkEnableOption (lib.mdDoc "Garage Object Storage (S3 compatible)");
extraEnvironment = mkOption {
type = types.attrsOf types.str;
description = lib.mdDoc "Extra environment variables to pass to the Garage server.";
default = { };
example = { RUST_BACKTRACE = "yes"; };
};
environmentFile = mkOption {
type = types.nullOr types.path;
description = lib.mdDoc "File containing environment variables to be passed to the Garage server.";
default = null;
};
logLevel = mkOption {
type = types.enum ([ "error" "warn" "info" "debug" "trace" ]);
default = "info";
example = "debug";
description = lib.mdDoc "Garage log level, see <https://garagehq.deuxfleurs.fr/documentation/quick-start/#launching-the-garage-server> for examples.";
};
settings = mkOption {
type = types.submodule {
freeformType = toml.type;
options = {
metadata_dir = mkOption {
default = "/var/lib/garage/meta";
type = types.path;
description = lib.mdDoc "The metadata directory, put this on a fast disk (e.g. SSD) if possible.";
};
data_dir = mkOption {
default = "/var/lib/garage/data";
type = types.path;
description = lib.mdDoc "The main data storage, put this on your large storage (e.g. high capacity HDD)";
};
replication_mode = mkOption {
default = "none";
type = types.enum ([ "none" "1" "2" "3" "2-dangerous" "3-dangerous" "3-degraded" 1 2 3 ]);
apply = v: toString v;
description = lib.mdDoc "Garage replication mode, defaults to none, see: <https://garagehq.deuxfleurs.fr/documentation/reference-manual/configuration/#replication-mode> for reference.";
};
};
};
description = lib.mdDoc "Garage configuration, see <https://garagehq.deuxfleurs.fr/documentation/reference-manual/configuration/> for reference.";
};
package = mkOption {
type = types.package;
description = lib.mdDoc "Garage package to use, needs to be set explicitly. If you are upgrading from a major version, please read NixOS and Garage release notes for upgrade instructions.";
};
};
config = mkIf cfg.enable {
environment.etc."garage.toml" = {
source = configFile;
};
environment.systemPackages = [ cfg.package ]; # For administration
systemd.services.garage = {
description = "Garage Object Storage (S3 compatible)";
after = [ "network.target" "network-online.target" ];
wants = [ "network.target" "network-online.target" ];
wantedBy = [ "multi-user.target" ];
restartTriggers = [ configFile ] ++ (lib.optional (cfg.environmentFile != null) cfg.environmentFile);
serviceConfig = {
ExecStart = "${cfg.package}/bin/garage server";
StateDirectory = mkIf (hasPrefix "/var/lib/garage" cfg.settings.data_dir || hasPrefix "/var/lib/garage" cfg.settings.metadata_dir) "garage";
DynamicUser = lib.mkDefault true;
ProtectHome = true;
NoNewPrivileges = true;
EnvironmentFile = lib.optional (cfg.environmentFile != null) cfg.environmentFile;
};
environment = {
RUST_LOG = lib.mkDefault "garage=${cfg.logLevel}";
} // cfg.extraEnvironment;
};
};
}
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