add debug log

pkg/tsdb/cloudwatch/cloudwatch.go

@@ -11,6 +11,7 @@ import (
 
 	"github.com/grafana/grafana/pkg/log"
 	"github.com/grafana/grafana/pkg/models"
+	"github.com/grafana/grafana/pkg/setting"
 	"github.com/grafana/grafana/pkg/tsdb"
 
 	"github.com/aws/aws-sdk-go/aws"
@@ -159,6 +160,10 @@ func (e *CloudWatchExecutor) executeQuery(ctx context.Context, parameters *simpl
 		params.ExtendedStatistics = query.ExtendedStatistics
 	}
 
+	if setting.Env == setting.DEV {
+		plog.Debug("CloudWatch query", "raw query", params)
+	}
+
 	resp, err := client.GetMetricStatisticsWithContext(ctx, params, request.WithResponseReadTimeout(10*time.Second))
 	if err != nil {
 		return nil, err