In the MCP 2019.2.5 maintenance update, Mirantis introduces the following enhancements for StackLight:

To obtain the enhancements, follow the steps described in Apply maintenance updates.

Monitoring of the number of queues

Enhanced Stacklight LMA to monitor the number of queues and raise the RabbitMQUnequalQueueCritical alert if the RabbitMQ cluster nodes have an inconsistent number of queues for 10 minutes.

Alert for RabbitMQ errors in logs

Enhanced the RabbitMQ alerts by adding the RabbitmqErrorLogsMajor alert that raises when the RabbitMQ logs on a particular node contain errors.

Telegraf alert

Added the TelegrafGatherErrors alert that raises when Telegraf fails to gather metrics on a particular node.

SMART disks alerts

Enhanced the alerts for SMART disks by adding the SystemSMARTDiskOfflineUncorrectableSectors alert that raises when a disk on a particular node has offline uncorrectable sectors.