add aws_dx to cloudwatch datasource

pkg/tsdb/cloudwatch/metric_find_query.go

@@ -46,6 +46,7 @@ func init() {
 		"AWS/CloudFront":     {"Requests", "BytesDownloaded", "BytesUploaded", "TotalErrorRate", "4xxErrorRate", "5xxErrorRate"},
 		"AWS/CloudSearch":    {"SuccessfulRequests", "SearchableDocuments", "IndexUtilization", "Partitions"},
 		"AWS/DMS":            {"FreeableMemory", "WriteIOPS", "ReadIOPS", "WriteThroughput", "ReadThroughput", "WriteLatency", "ReadLatency", "SwapUsage", "NetworkTransmitThroughput", "NetworkReceiveThroughput", "FullLoadThroughputBandwidthSource", "FullLoadThroughputBandwidthTarget", "FullLoadThroughputRowsSource", "FullLoadThroughputRowsTarget", "CDCIncomingChanges", "CDCChangesMemorySource", "CDCChangesMemoryTarget", "CDCChangesDiskSource", "CDCChangesDiskTarget", "CDCThroughputBandwidthTarget", "CDCThroughputRowsSource", "CDCThroughputRowsTarget", "CDCLatencySource", "CDCLatencyTarget"},
+		"AWS/DX":             {"ConnectionState", "ConnectionBpsEgress", "ConnectionBpsIngress", "ConnectionPpsEgress", "ConnectionPpsIngress", "ConnectionCRCErrorCount", "ConnectionLightLevelTx", "ConnectionLightLevelRx"},
 		"AWS/DynamoDB":       {"ConditionalCheckFailedRequests", "ConsumedReadCapacityUnits", "ConsumedWriteCapacityUnits", "OnlineIndexConsumedWriteCapacity", "OnlineIndexPercentageProgress", "OnlineIndexThrottleEvents", "ProvisionedReadCapacityUnits", "ProvisionedWriteCapacityUnits", "ReadThrottleEvents", "ReturnedBytes", "ReturnedItemCount", "ReturnedRecordsCount", "SuccessfulRequestLatency", "SystemErrors", "TimeToLiveDeletedItemCount", "ThrottledRequests", "UserErrors", "WriteThrottleEvents"},
 		"AWS/EBS":            {"VolumeReadBytes", "VolumeWriteBytes", "VolumeReadOps", "VolumeWriteOps", "VolumeTotalReadTime", "VolumeTotalWriteTime", "VolumeIdleTime", "VolumeQueueLength", "VolumeThroughputPercentage", "VolumeConsumedReadWriteOps", "BurstBalance"},
 		"AWS/EC2":            {"CPUCreditUsage", "CPUCreditBalance", "CPUUtilization", "DiskReadOps", "DiskWriteOps", "DiskReadBytes", "DiskWriteBytes", "NetworkIn", "NetworkOut", "NetworkPacketsIn", "NetworkPacketsOut", "StatusCheckFailed", "StatusCheckFailed_Instance", "StatusCheckFailed_System"},
@@ -118,6 +119,7 @@ func init() {
 		"AWS/CloudFront":       {"DistributionId", "Region"},
 		"AWS/CloudSearch":      {},
 		"AWS/DMS":              {"ReplicationInstanceIdentifier", "ReplicationTaskIdentifier"},
+		"AWS/DX":               {"ConnectionId"},
 		"AWS/DynamoDB":         {"TableName", "GlobalSecondaryIndexName", "Operation", "StreamLabel"},
 		"AWS/EBS":              {"VolumeId"},
 		"AWS/EC2":              {"AutoScalingGroupName", "ImageId", "InstanceId", "InstanceType"},