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{ lib, config, ... }:
let
cfg = config.myServices.databases.redis;
in {
options.myServices.databases.redis = {
enable = lib.mkOption {
default = cfg.enable;
example = true;
description = "Whether to enable redis database";
type = lib.types.bool;
};
socketsDir = lib.mkOption {
type = lib.types.path;
default = "/run/redis";
description = ''
The directory where Redis puts sockets.
'';
};
# Output variables
systemdRuntimeDirectory = lib.mkOption {
type = lib.types.str;
# Use ReadWritePaths= instead if socketsDir is outside of /run
default = assert lib.strings.hasPrefix "/run/" cfg.socketsDir;
lib.strings.removePrefix "/run/" cfg.socketsDir;
description = ''
Adjusted redis sockets directory for systemd
'';
readOnly = true;
};
sockets = lib.mkOption {
type = lib.types.attrsOf lib.types.path;
default = {
redis = "${cfg.socketsDir}/redis.sock";
};
readOnly = true;
description = ''
Redis sockets
'';
};
};
config = lib.mkIf cfg.enable {
users.users.redis.uid = config.ids.uids.redis;
users.groups.redis.gid = config.ids.gids.redis;
services.redis = rec {
enable = true;
bind = "127.0.0.1";
unixSocket = cfg.sockets.redis;
extraConfig = ''
unixsocketperm 777
maxclients 1024
'';
};
systemd.services.redis.serviceConfig.RuntimeDirectory = cfg.systemdRuntimeDirectory;
};
}
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