diff options
Diffstat (limited to 'nixos/modules/services/network-filesystems/drbd.nix')
-rw-r--r-- | nixos/modules/services/network-filesystems/drbd.nix | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/nixos/modules/services/network-filesystems/drbd.nix b/nixos/modules/services/network-filesystems/drbd.nix new file mode 100644 index 00000000000..c730e0b34e9 --- /dev/null +++ b/nixos/modules/services/network-filesystems/drbd.nix @@ -0,0 +1,63 @@ +# 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."drbd.conf" = + { source = pkgs.writeText "drbd.conf" cfg.config; }; + + systemd.services.drbd = { + after = [ "systemd-udev.settle.service" "network.target" ]; + wants = [ "systemd-udev.settle.service" ]; + wantedBy = [ "multi-user.target" ]; + serviceConfig = { + ExecStart = "${pkgs.drbd}/sbin/drbdadm up all"; + ExecStop = "${pkgs.drbd}/sbin/drbdadm down all"; + }; + }; + }; +} |