Migrate scripts from mikrotik-scripts repo and make further improvements for the first commit!

scripts/firmware-check-lte.rsc

@@ -0,0 +1,29 @@
+# Alert upon new firmware for LTE Modem
+
+# Ref: https://wiki.mikrotik.com/wiki/Manual:Interface/LTE#Modem_firmware_upgrade
+
+# requirement/s:
+#   policy: read, write, policy, test
+#   active internet
+#   $adminEmail
+
+:global adminEmail
+:if ([:typeof $adminEmail] = "nothing" || $adminEmail = "") do={ :log error "adminEmail is not defined or nil."; :error "Error: Check the log"; }
+
+:log info "\nChecking for new firmware for LTE Modem..."
+
+:local lteFirmwareInfo [/interface lte firmware-upgrade lte1 as-value];
+
+:local lteInstalledVer ($lteFirmwareInfo->"installed");
+:local lteLatestVer ($lteFirmwareInfo->"latest");
+
+:if ( $lteInstalledVer != $lteLatestVer ) do={
+  /tool e-mail send to="$adminEmail" subject="A new FIRMWARE update is available for (SXT) LTE." \
+    body="       LTE Installed Firmware Version: $lteInstalledVer
+          LTE Latest Firmware Version: $lteLatestVer"
+  :log info "A new firmware is available for LTE modem and an email is sent to '$adminEmail'."
+} else={
+  :log info "No new firmware update for LTE."
+  :log info "LTE Installed Firmware Ver: $lteInstalledVer"
+  :log info "   LTE Latest Firmware Ver: $lteLatestVer"
+}