1 files changed, 74 insertions, 0 deletions
diff --git a/check-health.d/temperature.rsc b/check-health.d/temperature.rsc
new file mode 100644
index 0000000..a2f632d
--- /dev/null
+++ b/check-health.d/temperature.rsc
@@ -0,0 +1,74 @@
+#!rsc by RouterOS
+# RouterOS script: check-health.d/temperature
+# Copyright (c) 2019-2025 Christian Hesse <mail@eworm.de>
+# https://rsc.eworm.de/COPYING.md
+#
+# requires RouterOS, version=7.15
+#
+# check for RouterOS health state - temperature plugin
+# https://rsc.eworm.de/doc/check-health.md
+
+:global CheckHealthPlugins;
+
+:set ($CheckHealthPlugins->[ :jobname ]) do={
+  :local FuncName [ :tostr $0 ];
+
+  :global CheckHealthLast;
+  :global CheckHealthTemperature;
+  :global CheckHealthTemperatureDeviation;
+  :global CheckHealthTemperatureNotified;
+  :global Identity;
+
+  :global LogPrint;
+  :global SendNotification2;
+  :global SymbolForNotification;
+
+  :if ([ :len [ /system/health/find where type="C" ] ] = 0) do={
+    $LogPrint debug $FuncName ("Your device does not provide any voltage health values.");
+    :return false;
+  }
+
+  :local TempToNum do={
+    :global CharacterReplace;
+    :local T [ :toarray [ $CharacterReplace $1 "." "," ] ];
+    :return ($T->0 * 10 + $T->1);
+  }
+
+  :if ([ :typeof $CheckHealthTemperatureNotified ] != "array") do={
+    :set CheckHealthTemperatureNotified ({});
+  }
+
+  :foreach Temperature in=[ /system/health/find where type="C" ] do={
+    :local Name  [ /system/health/get $Temperature name  ];
+    :local Value [ /system/health/get $Temperature value ];
+
+    :if ([ :typeof ($CheckHealthLast->$Name) ] != "nothing") do={
+      :if ([ :typeof ($CheckHealthTemperature->$Name) ] != "num" ) do={
+        $LogPrint info $FuncName ("No threshold given for " . $Name . ", assuming 50C.");
+        :set ($CheckHealthTemperature->$Name) 50;
+      }
+      :local Validate [ /system/health/get [ find where name=$Name ] value ];
+      :while ($Value != $Validate) do={
+        :set Value $Validate;
+        :set Validate [ /system/health/get [ find where name=$Name ] value ];
+      }
+      :if ($Value > $CheckHealthTemperature->$Name && \
+           $CheckHealthTemperatureNotified->$Name != true) do={
+        $SendNotification2 ({ origin=$FuncName; \
+          subject=([ $SymbolForNotification "fire" ] . "Health warning: " . $Name); \
+          message=("The " . $Name . " on " . $Identity . " is above threshold: " . \
+            $Value . "\C2\B0" . "C") });
+        :set ($CheckHealthTemperatureNotified->$Name) true;
+      }
+      :if ($Value <= ($CheckHealthTemperature->$Name - $CheckHealthTemperatureDeviation) && \
+           $CheckHealthTemperatureNotified->$Name = true) do={
+        $SendNotification2 ({ origin=$FuncName; \
+          subject=([ $SymbolForNotification "white-heavy-check-mark" ] . "Health recovery: " . $Name); \
+          message=("The " . $Name . " on " . $Identity . " dropped below threshold: " .  \
+            $Value . "\C2\B0" . "C") });
+        :set ($CheckHealthTemperatureNotified->$Name) false;
+      }
+    }
+    :set ($CheckHealthLast->$Name) $Value;
+  }
+}