monitoring: disable legacy cron alert

services/monitoring/grafana-alerting-config.yaml

@@ -286,7 +286,7 @@ data:
               summary: "node-image-sweeper not fully ready"
             labels:
               severity: warning
-          - uid: maint-cron-stale
+          - uid: maint-ariadne-image-sweeper-stale
             title: "Ariadne image sweeper stale (>8d since success)"
             condition: C
             for: "5m"
@@ -334,6 +334,54 @@ data:
               summary: "Ariadne image sweeper stale >8d since last success"
             labels:
               severity: warning
+          - uid: maint-cron-stale
+            title: "Maintenance CronJobs stale (legacy disabled)"
+            condition: C
+            for: "5m"
+            data:
+              - refId: A
+                relativeTimeRange:
+                  from: 300
+                  to: 0
+                datasourceUid: atlas-vm
+                model:
+                  expr: vector(0)
+                  intervalMs: 60000
+                  maxDataPoints: 43200
+                  legendFormat: legacy
+                  datasource:
+                    type: prometheus
+                    uid: atlas-vm
+              - refId: B
+                datasourceUid: __expr__
+                model:
+                  expression: A
+                  intervalMs: 60000
+                  maxDataPoints: 43200
+                  reducer: last
+                  type: reduce
+              - refId: C
+                datasourceUid: __expr__
+                model:
+                  expression: B
+                  intervalMs: 60000
+                  maxDataPoints: 43200
+                  type: threshold
+                  conditions:
+                    - evaluator:
+                        params: [1]
+                        type: gt
+                      operator:
+                        type: and
+                      reducer:
+                        type: last
+                      type: query
+            noDataState: OK
+            execErrState: OK
+            annotations:
+              summary: "Legacy cronjob alert disabled"
+            labels:
+              severity: info
       - orgId: 1
         name: ariadne
         folder: Alerts