Merge pull request 'fixed the watchdog alert to alert if alertmanager…

… are not sending the watchdog alert within a time-frame' (#366) from fix_opsmondo_alert into master

Reviewed-on: https://gitea.obmondo.com/EnableIT/KubeAid/pulls/366

build/kube-prometheus/mixins/monitoring/mixin.libsonnet

@@ -9,7 +9,7 @@
         rules: [
           {
             alert: 'monitor::monitoring_stack::watchdog_missing',
-            expr: 'increase(watchdog_alerts_total{job="opsmondo"}[35m]) < 1',
+            expr: 'changes(watchdog_alerts_total[65m]) == 0',
             'for': '10m',
             labels: {
               severity: 'critical',