From 98c132105dc88b13989c12d5bf9572022c7e986b Mon Sep 17 00:00:00 2001
From: Christian Hesse <mail@eworm.de>
Date: Sun, 1 Nov 2020 21:48:03 +0100
Subject: check-routeros-update: support installing updates automatically if
 seen in neighbor list

---
 check-routeros-update        | 12 +++++++++++-
 doc/check-routeros-update.md |  3 ++-
 global-config                |  4 +++-
 global-config-overlay        |  2 +-
 global-config.changes        |  1 +
 global-functions             |  2 +-
 6 files changed, 19 insertions(+), 5 deletions(-)

diff --git a/check-routeros-update b/check-routeros-update
index 13262f3..e020153 100644
--- a/check-routeros-update
+++ b/check-routeros-update
@@ -7,8 +7,9 @@
 # https://git.eworm.de/cgit/routeros-scripts/about/doc/check-routeros-update.md
 
 :global Identity;
-:global SafeUpdateUrl;
+:global SafeUpdateNeighbor;
 :global SafeUpdatePatch;
+:global SafeUpdateUrl;
 :global SentRouterosUpdateNotification;
 
 :global DeviceInfo;
@@ -57,6 +58,15 @@
     $DoUpdate;
   }
 
+  :if ($SafeUpdateNeighbor = true && [ :len [ / ip neighbor find where \
+       version=($Update->"latest-version" . " (" . $Update->"channel" . ")") ] ] > 0) do={
+    $LogPrintExit info ("Seen a neighbor running version " . $Update->"latest-version" . ", updating...") false;
+    $SendNotification ([ $SymbolForNotification "sparkles" ] . "RouterOS update") \
+        ("Seen a neighbor running version " . $Update->"latest-version" . " from " . $Update->"channel" . \
+        ", updating on " . $Identity . "...") "" "true";
+    $DoUpdate;
+  }
+
   :if ([ :len $SafeUpdateUrl ] > 0) do={
     :local Result;
     :do {
diff --git a/doc/check-routeros-update.md b/doc/check-routeros-update.md
index 6016a1f..bd25ab1 100644
--- a/doc/check-routeros-update.md
+++ b/doc/check-routeros-update.md
@@ -34,9 +34,10 @@ Configuration is required only if you want to control update process with
 safe versions from a web server. The configuration goes to
 `global-config-overlay`, this is the parameter:
 
+* `SafeUpdateNeighbor`: install updates automatically if seen in neighbor list
+* `SafeUpdatePatch`: install patch updates automatically
 * `SafeUpdateUrl`: url to check for safe update, the channel (`long-term`,
 `stable` or `testing`) is appended
-* `SafeUpdatePatch`: install patch updates automatically
 
 Usage and invocation
 --------------------
diff --git a/global-config b/global-config
index fc8d010..01e62c1 100644
--- a/global-config
+++ b/global-config
@@ -8,7 +8,7 @@
 
 # Make sure all configuration properties are up to date and this
 # value is in sync with value in script 'global-functions'!
-:global GlobalConfigVersion 35;
+:global GlobalConfigVersion 36;
 
 # This is used for DNS and backup file.
 :global Domain "example.com";
@@ -62,6 +62,8 @@
 #:global SafeUpdateUrl "https://example.com/ros/safe-update/";
 # Allow to install patch updates automatically.
 :global SafeUpdatePatch false;
+# Allow to install updates automatically if seen in neighbor list.
+:global SafeUpdateNeighbor false;
 
 # These thresholds control when to send health notification
 # on temperature and voltage.
diff --git a/global-config-overlay b/global-config-overlay
index 250f697..2777519 100644
--- a/global-config-overlay
+++ b/global-config-overlay
@@ -9,7 +9,7 @@
 # Make sure all configuration properties are up to date and this
 # value is in sync with value in script 'global-functions'!
 # Comment or remove to disable change notifications.
-:global GlobalConfigVersion 35;
+:global GlobalConfigVersion 36;
 
 # Copy configuration from global-config here and modify it.
 
diff --git a/global-config.changes b/global-config.changes
index 8082344..85529eb 100644
--- a/global-config.changes
+++ b/global-config.changes
@@ -39,4 +39,5 @@
   33="Added configurable deviation on health temperature recovery threshold against notification flooding.";
   34="Introduced script 'ospf-to-leds' to visualize OSPF instance state via LEDs.";
   35="Implemented visual feedback for 'mode-button' with configurable LED.";
+  36="Added support for installing updates automatically if seen in neighbor list.";
 };
diff --git a/global-functions b/global-functions
index f4b3ca6..030a9f2 100644
--- a/global-functions
+++ b/global-functions
@@ -8,7 +8,7 @@
 # https://git.eworm.de/cgit/routeros-scripts/about/
 
 # expected configuration version
-:global ExpectedConfigVersion 35;
+:global ExpectedConfigVersion 36;
 
 # global variables not to be changed by user
 :global GlobalFunctionsReady false;
-- 
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