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author | Emery Hemingway <emery@vfemail.net> | 2014-07-25 14:05:57 -0400 |
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committer | Eelco Dolstra <eelco.dolstra@logicblox.com> | 2014-07-30 16:19:26 +0200 |
commit | 63d259df32ab969c46aa839a77e8d86cb8f734cf (patch) | |
tree | 37823fa540fdc124d84806bcf2f57f8d236efdef /nixos/modules/system/boot/emergency-mode.nix | |
parent | 1cc6dc198466eb451beb2daa6314a345f1853dab (diff) | |
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nixos: tmp on tmpfs option
/tmp cleaning is done by systemd rather than stage-2-init enableEmergencyMode moved from systemd to seperate module new option to mount tmp on tmpfs new option to enable additional units shipped with systemd
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 000000000000..9cdab8416192 --- /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" + ]; + + }; + +} \ No newline at end of file |