Add cloudwatch metrics for managed RabbitMQ service (#31838)

Co-authored-by: Nirojan Vythilingam <nirojan@users.noreply.github.com>

pkg/tsdb/cloudwatch/metric_find_query.go

@@ -43,7 +43,7 @@ var customMetricsMetricsMap = make(map[string]map[string]map[string]*customMetri
 var customMetricsDimensionsMap = make(map[string]map[string]map[string]*customMetricsCache)
 var metricsMap = map[string][]string{
 	"AWS/ACMPrivateCA":            {"CRLGenerated", "Failure", "MisconfiguredCRLBucket", "Success", "Time"},
-	"AWS/AmazonMQ":                {"BurstBalance", "ConsumerCount", "CpuCreditBalance", "CpuUtilization", "CurrentConnectionsCount", "DequeueCount", "DispatchCount", "EnqueueCount", "EnqueueTime", "EstablishedConnectionsCount", "ExpiredCount", "HeapUsage", "InactiveDurableTopicSubscribersCount", "InFlightCount", "JobSchedulerStorePercentUsage", "JournalFilesForFastRecovery", "JournalFilesForFullRecovery", "MemoryUsage", "NetworkIn", "NetworkOut", "OpenTransactionCount", "ProducerCount", "QueueSize", "ReceiveCount", "StorePercentUsage", "TempPercentUsage", "TotalConsumerCount", "TotalDequeueCount", "TotalEnqueueCount", "TotalMessageCount", "TotalProducerCount", "VolumeReadOps", "VolumeWriteOps"},
+	"AWS/AmazonMQ":                {"AckRate", "BurstBalance", "ChannelCount", "ConfirmRate", "ConnectionCount", "ConsumerCount", "CpuCreditBalance", "CpuUtilization", "CurrentConnectionsCount", "DequeueCount", "DispatchCount", "EnqueueCount", "EnqueueTime", "EstablishedConnectionsCount", "ExchangeCount", "ExpiredCount", "HeapUsage", "InactiveDurableTopicSubscribersCount", "InFlightCount", "JobSchedulerStorePercentUsage", "JournalFilesForFastRecovery", "JournalFilesForFullRecovery", "MemoryUsage", "MessageCount", "MessageReadyCount", "MessageUnacknowledgedCount", "NetworkIn", "NetworkOut", "OpenTransactionCount", "ProducerCount", "PublishRate", "QueueCount", "QueueSize", "RabbitMQDiskFree", "RabbitMQDiskFreeLimit", "RabbitMQFdUsed", "RabbitMQMemLimit", "RabbitMQMemUsed", "ReceiveCount", "StorePercentUsage", "SystemCpuUtilization", "TempPercentUsage", "TotalConsumerCount", "TotalDequeueCount", "TotalEnqueueCount", "TotalMessageCount", "TotalProducerCount", "VolumeReadOps", "VolumeWriteOps"},
 	"AWS/ApiGateway":              {"4xx", "4XXError", "5xx", "5XXError", "CacheHitCount", "CacheMissCount", "Count", "DataProcessed", "IntegrationLatency", "Latency"},
 	"AWS/AppStream":               {"ActualCapacity", "AvailableCapacity", "CapacityUtilization", "DesiredCapacity", "InUseCapacity", "InsufficientCapacityError", "PendingCapacity", "RunningCapacity"},
 	"AWS/AppSync":                 {"4XXError", "5XXError", "Latency"},