(cloudwatch) support ECS suggestion

pkg/api/cloudwatch/metrics.go

@@ -16,6 +16,7 @@ func init() {
 		"AWS/AutoScaling": {"GroupMinSize", "GroupMaxSize", "GroupDesiredCapacity", "GroupInServiceInstances", "GroupPendingInstances", "GroupStandbyInstances", "GroupTerminatingInstances", "GroupTotalInstances"},
 		"AWS/Billing":     {"EstimatedCharges"},
 		"AWS/EC2":         {"CPUCreditUsage", "CPUCreditBalance", "CPUUtilization", "DiskReadOps", "DiskWriteOps", "DiskReadBytes", "DiskWriteBytes", "NetworkIn", "NetworkOut", "StatusCheckFailed", "StatusCheckFailed_Instance", "StatusCheckFailed_System"},
+		"AWS/ECS":         {"CPUUtilization", "MemoryUtilization"},
 		"AWS/CloudFront":  {"Requests", "BytesDownloaded", "BytesUploaded", "TotalErrorRate", "4xxErrorRate", "5xxErrorRate"},
 		"AWS/CloudSearch": {"SuccessfulRequests", "SearchableDocuments", "IndexUtilization", "Partitions"},
 		"AWS/DynamoDB":    {"ConditionalCheckFailedRequests", "ConsumedReadCapacityUnits", "ConsumedWriteCapacityUnits", "OnlineIndexConsumedWriteCapacity", "OnlineIndexPercentageProgress", "OnlineIndexThrottleEvents", "ProvisionedReadCapacityUnits", "ProvisionedWriteCapacityUnits", "ReadThrottleEvents", "ReturnedItemCount", "SuccessfulRequestLatency", "SystemErrors", "ThrottledRequests", "UserErrors", "WriteThrottleEvents"},
@@ -49,6 +50,7 @@ func init() {
 		"AWS/ElastiCache":      {"CacheClusterId", "CacheNodeId"},
 		"AWS/EBS":              {"VolumeId"},
 		"AWS/EC2":              {"AutoScalingGroupName", "ImageId", "InstanceId", "InstanceType"},
+		"AWS/ECS":              {"ClusterName", "ServiceName"},
 		"AWS/ELB":              {"LoadBalancerName", "AvailabilityZone"},
 		"AWS/ElasticMapReduce": {"ClusterId", "JobId"},
 		"AWS/Kinesis":          {"StreamName"},