diff options
Diffstat (limited to 'nixos/modules/system/boot/emergency-mode.nix')
-rw-r--r-- | nixos/modules/system/boot/emergency-mode.nix | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/nixos/modules/system/boot/emergency-mode.nix b/nixos/modules/system/boot/emergency-mode.nix new file mode 100644 index 00000000000..ec697bcee26 --- /dev/null +++ b/nixos/modules/system/boot/emergency-mode.nix @@ -0,0 +1,37 @@ +{ config, lib, ... }: + +with lib; + +{ + + ###### interface + + options = { + + systemd.enableEmergencyMode = mkOption { + default = true; + type = types.bool; + description = '' + Whether to enable emergency mode, which is an + <command>sulogin</command> shell started on the console if + mounting a filesystem fails. Since some machines (like EC2 + instances) have no console of any kind, emergency mode doesn't + make sense, and it's better to continue with the boot insofar + as possible. + ''; + }; + + }; + + ###### implementation + + config = { + + systemd.additionalUpstreamSystemUnits = optionals + config.systemd.enableEmergencyMode [ + "emergency.target" "emergency.service" + ]; + + }; + +} |