Uninterruptible power supply: Difference between revisions

← Older edit

VisualWikitext

@@ Line 25: / Line 25: @@
 needs a new battery every four years, under optimal operating
 conditions.
-The end of ConfigExample book says:
- Joe's server will still be allright
- if power drops off in the night.
-   That 8 year old pack
-   of battery backup
- will easily handle th connection lost
 = Components of NUT Software =
@@ Line 246: / Line 238: @@
    # copied from ConfigExamples 3.0 book, Appendix B.2.
    systemd.services.nut-delayed-ups-shutdown = {
-     environment = {
+    enable = true;
-       NUT_CONFPATH = "/etc/nut";
+     environment = config.systemd.services.upsmon.environment;
+    description = "Initiate delayed UPS shutdown";
+    before = [ "umount.target" ];
+    wantedBy = [ "final.target" ];
+    serviceConfig = {
+       Type = "oneshot";
+      # need to use '-u root', or else permission denied
+      ExecStart = ''${pkgs.nut}/bin/upsdrvctl -u root shutdown'';
+      # must not use slice: if used, upsdrvctl will not run as a late
+      # shutdown service
+      # Slice = "";
      };
      unitConfig = {
-       Description = "Initiate delayed UPS shutdown";
+       ConditionPathExists = config.power.ups.upsmon.settings.POWERDOWNFLAG;
-      Before = "umount.target";
+       DefaultDependencies = "no";
-       DefaultDependencies = false;
-    };
-    serviceConfig = {
-      Type = "oneshot";
-      ExecStart = ''${pkgs.bash}/bin/bash -c\
-       "${pkgs.util-linux}/bin/logger -t\
-        nut-delayed-ups-shutdown 'upsdrvctl shutting down UPS';\
-        ${pkgs.nut}/bin/upsdrvctl shutdown"'';
      };
-    wantedBy = [ "final.target" ];
    };
 </syntaxhighlight>
+[[Category:Hardware]]