this tells kuma whether watchtower ran and worked, its runs on the host O/S to see all the logs of all containers changed

kuma-watchtower-ran

@@ -0,0 +1,16 @@
+#!/bin/bash
+
+now="$(date +%s)"
+
+# check to see if docker tried to update images last night
+lastUpdate="$(stat -c %Y /srv/docker/log/update-docker.log)"
+let diff_in_days="(${now}-${lastUpdate})/(3600*24)"
+if [ $diff_in_days -gt 1 ]; then
+    echo ": watchtower did not run"
+    curl 'http://mara.ddp.net:3001/api/push/20N8YGGEiP?status=down&msg=OK'
+else
+    # okay watchtower ran last night, lets just tell mon.depaoli.id.au so we dont get an alert
+    curl 'http://mara.ddp.net:3001/api/push/20N8YGGEiP?status=up&msg=OK'
+fi
+
+exit 0