nixos/restic-rest-server: Make the service socket activated

Changed files
+17 -5
nixos
modules
services
tests
+15 -3
nixos/modules/services/backup/restic-rest-server.nix
···
enable = mkEnableOption (lib.mdDoc "Restic REST Server");
listenAddress = mkOption {
-
default = ":8000";
+
default = "8000";
example = "127.0.0.1:8080";
type = types.str;
description = lib.mdDoc "Listen on a specific IP address and port.";
···
};
config = mkIf cfg.enable {
+
assertions = [{
+
assertion = lib.substring 0 1 cfg.listenAddress != ":";
+
message = "The restic-rest-server now uses systemd socket activation, which expects only the Port number: services.restic.server.listenAddress = \"${lib.substring 1 6 cfg.listenAddress}\";";
+
}];
+
systemd.services.restic-rest-server = {
description = "Restic REST Server";
-
after = [ "network.target" ];
+
after = [ "network.target" "restic-rest-server.socket" ];
+
requires = [ "restic-rest-server.socket" ];
wantedBy = [ "multi-user.target" ];
serviceConfig = {
ExecStart = ''
${cfg.package}/bin/rest-server \
-
--listen ${cfg.listenAddress} \
--path ${cfg.dataDir} \
${optionalString cfg.appendOnly "--append-only"} \
${optionalString cfg.privateRepos "--private-repos"} \
···
LockPersonality = true;
MemoryDenyWriteExecute = true;
NoNewPrivileges = true;
+
PrivateNetwork = true;
PrivateTmp = true;
PrivateUsers = true;
ProtectClock = true;
···
PrivateDevices = true;
ReadWritePaths = [ cfg.dataDir ];
RemoveIPC = true;
+
RestrictAddressFamilies = "none";
RestrictNamespaces = true;
RestrictRealtime = true;
RestrictSUIDSGID = true;
···
SystemCallFilter = "@system-service";
UMask = 027;
};
+
};
+
+
systemd.sockets.restic-rest-server = {
+
listenStreams = [ cfg.listenAddress ];
+
wantedBy = [ "sockets.target" ];
};
systemd.tmpfiles.rules = mkIf cfg.privateRepos [
+2 -2
nixos/tests/restic-rest-server.nix
···
services.restic.server = {
enable = true;
extraFlags = [ "--no-auth" ];
-
listenAddress = ":8001";
+
listenAddress = "8001";
};
networking.firewall.allowedTCPPorts = [ 8001 ];
};
···
testScript = ''
restic_rest_server.start()
server.start()
-
restic_rest_server.wait_for_unit("restic-rest-server.service")
+
restic_rest_server.wait_for_unit("restic-rest-server.socket")
restic_rest_server.wait_for_open_port(8001)
server.wait_for_unit("dbus.socket")
server.fail(