mirror of
https://github.com/SebastianWendel/nixpkgs.git
synced 2024-11-06 18:26:45 +01:00
68 lines
1.3 KiB
Nix
68 lines
1.3 KiB
Nix
# 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.string;
|
|
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" ];
|
|
wants = [ "systemd-udev.settle.service" ];
|
|
wantedBy = [ "ip-up.target" ];
|
|
script = ''
|
|
${pkgs.drbd}/sbin/drbdadm up all
|
|
'';
|
|
serviceConfig.ExecStop = ''
|
|
${pkgs.drbd}/sbin/drbdadm down all
|
|
'';
|
|
};
|
|
};
|
|
}
|