From 9346df67d76d230a7de9381af465ac2a1d38e2f5 Mon Sep 17 00:00:00 2001
From: Christian Hesse <mail@eworm.de>
Date: Fri, 14 Dec 2018 23:04:18 +0100
Subject: add script 'check-lte-firmware-update'

---
 check-lte-firmware-update | 32 ++++++++++++++++++++++++++++++++
 global-config             |  1 +
 2 files changed, 33 insertions(+)
 create mode 100644 check-lte-firmware-update

diff --git a/check-lte-firmware-update b/check-lte-firmware-update
new file mode 100644
index 0000000..0f62a0a
--- /dev/null
+++ b/check-lte-firmware-update
@@ -0,0 +1,32 @@
+#!rsc
+# RouterOS script: check-lte-firmware-update
+# Copyright (c) 2018 Christian Hesse <mail@eworm.de>
+#
+# check for LTE firmware update, send notification e-mails
+
+:global "identity";
+:global "sent-lte-firmware-update-notification";
+
+:global SendNotification;
+
+:foreach interface in=[ / interface lte find ] do={
+  :local intname [ / interface lte get $interface name ];
+  :do {
+    :local firmware [ / interface lte firmware-upgrade $interface once as-value ];
+    
+    :if ($"sent-lte-firmware-update-notification" = ($firmware->"latest")) do={
+      :log debug ("Already sent the LTE firmware update notification for version " . \
+        ($firmware->"latest") . ".");
+    } else={
+      :if (($firmware->"installed") != ($firmware->"latest")) do={
+        $SendNotification ("LTE firmware update notification") \
+          ("A new firmware version " . ($firmware->"latest") . " is available for " . \
+          "LTE interface " . $intname . " on " . $identity . ".");
+        :set "sent-lte-firmware-update-notification" ($firmware->"latest");
+      }
+    }
+  } on-error={
+    :log debug ("Could not get latest LTE firmware version for interface " . \
+      $intname . ".");
+  }
+}
diff --git a/global-config b/global-config
index cff8974..f29d5a2 100644
--- a/global-config
+++ b/global-config
@@ -100,5 +100,6 @@
 
 # Do *NOT* change these!
 :global "sent-routeros-update-notification" "-";
+:global "sent-lte-firmware-update-notification" "-";
 :global "identity" [ / system identity get name ];
 / system script run global-functions;
-- 
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