Adding Cloudwatch AWS/AppSync metrics and dimensions

pkg/tsdb/cloudwatch/metric_find_query.go

@@ -86,6 +86,7 @@ func init() {
 		"AWS/Kinesis":          {"GetRecords.Bytes", "GetRecords.IteratorAge", "GetRecords.IteratorAgeMilliseconds", "GetRecords.Latency", "GetRecords.Records", "GetRecords.Success", "IncomingBytes", "IncomingRecords", "PutRecord.Bytes", "PutRecord.Latency", "PutRecord.Success", "PutRecords.Bytes", "PutRecords.Latency", "PutRecords.Records", "PutRecords.Success", "ReadProvisionedThroughputExceeded", "WriteProvisionedThroughputExceeded", "IteratorAgeMilliseconds", "OutgoingBytes", "OutgoingRecords"},
 		"AWS/KinesisAnalytics": {"Bytes", "MillisBehindLatest", "Records", "Success"},
 		"AWS/Lambda":           {"Invocations", "Errors", "Duration", "Throttles", "IteratorAge"},
+		"AWS/AppSync":          {"Latency", "4XXError", "5XXError"},
 		"AWS/Logs":             {"IncomingBytes", "IncomingLogEvents", "ForwardedBytes", "ForwardedLogEvents", "DeliveryErrors", "DeliveryThrottling"},
 		"AWS/ML":               {"PredictCount", "PredictFailureCount"},
 		"AWS/NATGateway":       {"PacketsOutToDestination", "PacketsOutToSource", "PacketsInFromSource", "PacketsInFromDestination", "BytesOutToDestination", "BytesOutToSource", "BytesInFromSource", "BytesInFromDestination", "ErrorPortAllocation", "ActiveConnectionCount", "ConnectionAttemptCount", "ConnectionEstablishedCount", "IdleTimeoutCount", "PacketsDropCount"},
@@ -135,6 +136,7 @@ func init() {
 		"AWS/Kinesis":          {"StreamName", "ShardId"},
 		"AWS/KinesisAnalytics": {"Flow", "Id", "Application"},
 		"AWS/Lambda":           {"FunctionName", "Resource", "Version", "Alias"},
+		"AWS/AppSync":          {"GraphQLAPIId"},
 		"AWS/Logs":             {"LogGroupName", "DestinationType", "FilterName"},
 		"AWS/ML":               {"MLModelId", "RequestMode"},
 		"AWS/NATGateway":       {"NatGatewayId"},