Monitoring alerts formatting improvements

monitoring/src/main/java/org/thingsboard/monitoring/config/transport/TransportInfo.java

@@ -25,7 +25,7 @@ public class TransportInfo {
 
     @Override
     public String toString() {
-        return String.format("%s (%s)", transportType.getName(), baseUrl);
+        return String.format("*%s* (%s)", transportType.getName(), baseUrl);
     }
 
 }

monitoring/src/main/java/org/thingsboard/monitoring/data/notification/HighLatencyNotification.java

@@ -34,7 +34,7 @@ public class HighLatencyNotification implements Notification {
         StringBuilder text = new StringBuilder();
         text.append("Some of the latencies are higher than ").append(thresholdMs).append(" ms:\n");
         highLatencies.forEach(latency -> {
-            text.append(String.format("[%s] %s\n", latency.getKey(), latency.getFormattedValue()));
+            text.append(String.format("[%s] *%s*\n", latency.getKey(), latency.getFormattedValue()));
         });
         return text.toString();
     }

monitoring/src/main/resources/tb-monitoring.yml

@@ -38,7 +38,7 @@ monitoring:
   check_timeout_ms: '${CHECK_TIMEOUT_MS:5000}'
 
   # Failures threshold for notifying
-  failures_threshold: '${FAILURES_THRESHOLD:2}'
+  failures_threshold: '${FAILURES_THRESHOLD:1}'
   # Notify after each REPEATED_FAILURE_NOTIFICATION subsequent failures, 0 to notify only once on first failure
   repeated_failure_notification: '${REPEATED_FAILURE_NOTIFICATION:4}'