OpenStack system services This section describes the alerts available for the OpenStack system services. Libvirt LibvirtDown LibvirtExporterTargetDown LibvirtExporterTargetsOutage MariaDB MariadbClusterDown MariadbExporterTargetDown MariadbGaleraDonorFallingBehind MariadbGaleraNotReady MariadbGaleraOutOfSync MariadbInnodbLogWaits MariadbTableLockWaitHigh Memcached MemcachedClusterDown MemcachedConnectionsNoneWarning MemcachedConnectionsNoneMajor MemcachedEvictionsLimit MemcachedExporterTargetDown SSL certificates OpenstackSSLCertExpirationHigh OpenstackSSLCertExpirationMedium OpenstackSSLProbesFailing OpenstackSSLProbesTargetOutage RabbitMQ RabbitMQUnreachablePeersDetected RabbitMQOperatorTargetDown RabbitMQFileDescriptorUsageWarning RabbitMQNodeDiskFreeAlarm RabbitMQNodeMemoryAlarm RabbitMQTargetDown