blob: 4ab74ed8e1c0e57d4096c59b347f33a67abaaf53 (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
|
# Support for DRBD, the Distributed Replicated Block Device.
{ config, lib, pkgs, ... }:
with lib;
let cfg = config.services.drbd; in
{
###### interface
options = {
services.drbd.enable = mkOption {
default = false;
type = types.bool;
description = ''
Whether to enable support for DRBD, the Distributed Replicated
Block Device.
'';
};
services.drbd.config = mkOption {
default = "";
type = types.lines;
description = ''
Contents of the <filename>drbd.conf</filename> configuration file.
'';
};
};
###### implementation
config = mkIf cfg.enable {
environment.systemPackages = [ pkgs.drbd ];
services.udev.packages = [ pkgs.drbd ];
boot.kernelModules = [ "drbd" ];
boot.extraModprobeConfig =
''
options drbd usermode_helper=/run/current-system/sw/bin/drbdadm
'';
environment.etc = singleton
{ source = pkgs.writeText "drbd.conf" cfg.config;
target = "drbd.conf";
};
systemd.services.drbd = {
after = [ "systemd-udev.settle.service" "network.target" ];
wants = [ "systemd-udev.settle.service" ];
wantedBy = [ "multi-user.target" ];
script = ''
${pkgs.drbd}/sbin/drbdadm up all
'';
serviceConfig.ExecStop = ''
${pkgs.drbd}/sbin/drbdadm down all
'';
};
};
}
|