pyrox.dev
1{
2 config,
3 lib,
4 pkgs,
5 ...
6}:
7
8with lib;
9
10let
11 cfg = config.services.target;
12in
13{
14 ###### interface
15 options = {
16 services.target = with types; {
17 enable = mkEnableOption "the kernel's LIO iscsi target";
18
19 config = mkOption {
20 type = attrs;
21 default = { };
22 description = ''
23 Content of /etc/target/saveconfig.json
24 This file is normally read and written by targetcli
25 '';
26 };
27 };
28 };
29
30 ###### implementation
31 config = mkIf cfg.enable {
32 environment.etc."target/saveconfig.json" = {
33 text = builtins.toJSON cfg.config;
34 mode = "0600";
35 };
36
37 environment.systemPackages = with pkgs; [ targetcli-fb ];
38
39 boot.kernelModules = [
40 "configfs"
41 "target_core_mod"
42 "iscsi_target_mod"
43 ];
44
45 systemd.services.iscsi-target = {
46 enable = true;
47 after = [
48 "network.target"
49 "local-fs.target"
50 ];
51 requires = [ "sys-kernel-config.mount" ];
52 wantedBy = [ "multi-user.target" ];
53 serviceConfig = {
54 Type = "oneshot";
55 ExecStart = "${lib.getExe pkgs.python3Packages.rtslib-fb} restore";
56 ExecStop = "${lib.getExe pkgs.python3Packages.rtslib-fb} clear";
57 RemainAfterExit = "yes";
58 };
59 };
60
61 systemd.tmpfiles.rules = [
62 "d /etc/target 0700 root root - -"
63 ];
64 };
65}