Merge pull request #65 from Nionor/main

Added Telegram template.

notify_telegram.sh

@@ -0,0 +1,26 @@
+### DISCLAIMER: This is a third party addition to dockcheck - best effort testing.
+#
+# Copy/rename this file to notify.sh to enable the notification snippet.
+# Required receiving services must already be set up.
+# Modify to fit your setup - set TelegramChatId and TelegramToken.
+
+send_notification() {
+    Updates=("$@")
+    UpdToString=$( printf "%s\n" "${Updates[@]}" )
+    FromHost=$(hostname)
+    
+    # platform specific notification code would go here
+    printf "\nSending Telegram notification\n"
+    
+    # Setting the MessageBody variable here.
+    MessageBody="🐋 Containers on $FromHost with updates available: \n$UpdToString"
+    
+    # Modify to fit your setup:
+    TelegramToken="Your Telegram token here"
+    TelegramChatId="Your Telegram ChatId here"
+    TelegramUrl="https://api.telegram.org/bot$TelegramToken"
+    TelegramData="{\"chat_id\":\"$TelegramChatId\",\"text\":\"$MessageBody\",\"disable_notification\": false}"
+    
+    curl -sS -o /dev/null --fail -X POST "$TelegramUrl/sendMessage" -H 'Content-Type: application/json' -d "$TelegramData"
+    
+}