From bb749aeb6fa0df462c5417ce083189c4202c8cc8 Mon Sep 17 00:00:00 2001
From: dave <dave@pootis.network>
Date: Thu, 17 Nov 2022 23:58:04 +0300
Subject: [PATCH] init

---
 update-notify.rsc | 80 +++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 80 insertions(+)
 create mode 100644 update-notify.rsc

diff --git a/update-notify.rsc b/update-notify.rsc
new file mode 100644
index 0000000..dc6a957
--- /dev/null
+++ b/update-notify.rsc
@@ -0,0 +1,80 @@
+:global lastKnownROSVersion
+
+:local rcpt "admin@example.org"
+
+
+:local id [/system identity get name]
+:local ts [/system clock get time]
+:local ds [/system clock get date]
+
+:set ts ([:pick $ts 0 2]."-".[:pick $ts 3 5]."-".[:pick $ts 6 8])
+:set ds ([:pick $ds 4 6]."-".[:pick $ds 0 3]."-".[:pick $ds 7 11])
+
+:local installedVersion [/system package update get installed-version]
+:local latestVersion $installedVersion
+:local updateChannel [/system package update get channel]
+:local changelogLink ("https://mikrotik.com/download/changelogs/".$updateChannel."-release-tree")
+
+:local subj ("MT update notification from ".$id." - ".$ds." ".$ts)
+:local body ("This is a scheduled update notification from MT device \"".$id."\". \r\nDate: ".$ds." \r\nTime: ".$ts." \r\n\r\n")
+:local send false
+:local fail false
+
+
+:if ([:len [/tool e-mail get address]] = 0 or [:len [/tool e-mail get from]] = 0) do={
+	:log error "Email configuration is missing"
+	:error "Email configuration is missing"
+} else={
+	:do {
+		:log info "Checking for RouterOS updates..."
+	
+		/system package update check-for-updates
+		:set latestVersion [/system package update get latest-version]
+	
+		:if ([:len $latestVersion] = 0) do={
+			:log error "Failed to retrieve latest RouterOS version information, sending an email"
+			:set subj ($subj.": failed to get version info")
+			:set body ($body."Failed to retrieve latest RouterOS version information")
+			:set send true
+		} else={
+			:local versionDescription ($latestVersion." in ".$updateChannel." channel")
+
+			:if ($installedVersion != $latestVersion and $lastKnownROSVersion != $latestVersion) do={
+				:log info ("Found new version ".$versionDescription.", sending an email")
+				:set subj ($subj.": new version ".$versionDescription)
+				:set body ($body."A new RouterOS version is avaliable - ".$versionDescription." (currently running ".$installedVersion."). \r\nRead full changelog here: ".$changelogLink)		
+				:set send true
+			} else={
+				:if ($installedVersion != $latestVersion) do={
+					:log info ("Found new version ".$versionDescription.", notification already sent")
+				} else={
+					:log info ("No new RouterOS updates (latest version is ".$versionDescription.")")
+				}
+			}
+
+			:set lastKnownROSVersion $latestVersion
+		}
+	
+		:if ($send = true) do={
+			:do {/tool e-mail send to=$rcpt subject=$subj body=$body} on-error={
+				:log warning "Failed to send email message. Retrying in 30s..."
+				:delay 30s
+		
+				:do {/tool e-mail send to=$rcpt subject=$subj body=$body} on-error={
+					:log error "Failed to send email message (2nd attempt)"
+					:set fail true
+				}
+			}
+		}
+	} on-error={
+		:log warning "Caught an exception when checking for updates"
+		:set fail true
+	}
+
+	:if ($fail = false) do={
+		:log info "Update notification script completed"
+	} else={
+		:log error "Update notification script completed with errors"
+		:error "Update notification script completed with errors"
+	}
+}