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nixpkgs/nixos/modules/services/databases/surrealdb.nix
2022-12-15 19:52:28 -05:00

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3.1 KiB
Nix

{ config, lib, pkgs, ... }:
with lib;
let
cfg = config.services.surrealdb;
in {
options = {
services.surrealdb = {
enable = mkEnableOption (lib.mdDoc "A scalable, distributed, collaborative, document-graph database, for the realtime web ");
package = mkOption {
default = pkgs.surrealdb;
defaultText = literalExpression "pkgs.surrealdb";
type = types.package;
description = lib.mdDoc ''
Which surrealdb derivation to use.
'';
};
dbPath = mkOption {
type = types.str;
description = lib.mdDoc ''
The path that surrealdb will write data to. Use null for in-memory.
Can be one of "memory", "file://:path", "tikv://:addr".
'';
default = "file:///var/lib/surrealdb/";
example = "memory";
};
host = mkOption {
type = types.str;
description = lib.mdDoc ''
The host that surrealdb will connect to.
'';
default = "127.0.0.1";
example = "127.0.0.1";
};
port = mkOption {
type = types.port;
description = lib.mdDoc ''
The port that surrealdb will connect to.
'';
default = 8000;
example = 8000;
};
userNamePath = mkOption {
type = types.path;
description = lib.mdDoc ''
Path to read the username from.
'';
};
passwordPath = mkOption {
type = types.path;
description = lib.mdDoc ''
Path to read the password from.
'';
};
};
};
config = mkIf cfg.enable {
# Used to connect to the running service
environment.systemPackages = [ cfg.package ] ;
systemd.services.surrealdb = {
description = "A scalable, distributed, collaborative, document-graph database, for the realtime web ";
wantedBy = [ "multi-user.target" ];
after = [ "network.target" ];
script = ''
${cfg.package}/bin/surreal start \
--user $(${pkgs.systemd}/bin/systemd-creds cat SURREALDB_USERNAME) \
--pass $(${pkgs.systemd}/bin/systemd-creds cat SURREALDB_PASSWORD) \
--bind ${cfg.host}:${toString cfg.port} \
-- ${cfg.dbPath}
'';
serviceConfig = {
LoadCredential = [
"SURREALDB_USERNAME:${cfg.userNamePath}"
"SURREALDB_PASSWORD:${cfg.passwordPath}"
];
DynamicUser = true;
Restart = "on-failure";
StateDirectory = "surrealdb";
CapabilityBoundingSet = "";
NoNewPrivileges = true;
PrivateTmp = true;
ProtectHome = true;
ProtectClock = true;
ProtectProc = "noaccess";
ProcSubset = "pid";
ProtectKernelLogs = true;
ProtectKernelModules = true;
ProtectKernelTunables = true;
ProtectControlGroups = true;
ProtectHostname = true;
RestrictSUIDSGID = true;
RestrictRealtime = true;
RestrictNamespaces = true;
LockPersonality = true;
RemoveIPC = true;
SystemCallFilter = [ "@system-service" "~@privileged" ];
};
};
};
}