deskapp: ups monitoring

nixos/deskapp/configuration.nix

@@ -11,6 +11,7 @@
     ../network_bridge.nix
     ../dev.nix
     ../docker.nix
+    ../ups.nix
   ];
 
   # Bootloader.

nixos/ups.nix

@@ -0,0 +1,50 @@
+{ pkgs, secrets, ... }:
+
+{
+  #MONITOR ups@192.168.2.90 1 monuser secret slave # not so secrets... default for synology
+  #MINSUPPLIES 1 # Minimum number of power supplies
+  #SHUTDOWNCMD "/sbin/shutdown -h +0"
+  #POLLFREQ 5 # Poll every 5 seconds
+  #POLLFREQALERT 5 # Same as POLLFREQ
+  #HOSTSYNC 15 # Sync with UPS every 15 minutes
+  #DEADTIME 15 # UPS is dead after 15 minutes
+  #POWERDOWNFLAG /etc/killpower # File to touch to shutdown the system
+  #NOTIFYFLAG COMMOK       SYSLOG # Don't notify when we go back to power
+  #NOTIFYFLAG COMMBAD      SYSLOG
+  #NOTIFYFLAG NOCOMM       SYSLOG # Notify when we lose communications
+  #NOTIFYFLAG NOPARENT     SYSLOG
+  #RBWARNTIME 43200
+  #NOCOMMWARNTIME 300
+  #FINALDELAY 5
+
+  power.ups = {
+    enable = true;
+    mode = "netclient";
+
+    users.monuser = {
+      upsmon = "primary";
+      passwordFile = secrets.deskapp.nasappUpsPw;
+    };
+
+    upsmon = {
+      settings = {
+        MINSUPPLIES = 1; # Minimum number of power supplies
+        SHUTDOWNCMD = "${pkgs.systemd}/bin/shutdown now";
+
+        # Don't spam WALL
+        NOTIFYFLAG = [
+          [ "COMMOK" "SYSLOG" ]
+          [ "COMMBAD" "SYSLOG" ]
+          [ "NOCOMM" "SYSLOG" ]
+          [ "NOPARENT" "SYSLOG" ]
+        ];
+      };
+
+      monitor.main = {
+        system = "ups@192.168.0.20";
+        user = "monuser";
+        passwordFile = secrets.deskapp.nasappUpsPw;
+      };
+    };
+  };
+}