add service callbacks failures to overview dashboard

aws/eks/dashboards.tf

@@ -1741,6 +1741,20 @@ resource "aws_cloudwatch_dashboard" "slos" {
                 "end": "P0D",
                 "title": "Time to process email delivery receipts, per 15 minutes"
             }
+        },
+        {
+            "height": 4,
+            "width": 8,
+            "y": 17,
+            "x": 0,
+            "type": "log",
+            "properties": {
+                "query": "SOURCE '/aws/containerinsights/${aws_eks_cluster.notification-canada-ca-eks-cluster.name}/application' | fields @timestamp, log, kubernetes.container_name as app, kubernetes.pod_name as pod_name, @logStream\n| filter kubernetes.container_name like /^celery/\n| filter @message like /send_delivery_status_to_service request failed for notification_id/\n| parse log \"to url: https://* service: * exc: * \" as endpoint, service_id, error\n| stats count() as fails by service_id, endpoint, error\n| display fails, service_id, error, endpoint\n| order by fails desc\n",
+                "region": "${var.region}",
+                "stacked": false,
+                "title": "Failed Service Callbacks",
+                "view": "table"
+            }
         }
     ]
 }