add counter support, add lightning time

pkg/weather/metrics_record.go

@@ -20,6 +20,7 @@ type MetricRecorder struct {
 type RecordOpts struct {
 	Float64Gauge metric.Float64Gauge
 	Int64Gauge   metric.Int64Gauge
+	Int64Counter metric.Int64Counter
 	IntVal       *int
 	FloatVal     *float64
 	Attributes   []attribute.KeyValue
@@ -59,6 +60,16 @@ func (r *MetricRecorder) Record(opts *RecordOpts) {
 			return
 		}
 		r.recordFloat(opts.Float64Gauge, *opts.FloatVal, opts.Attributes...)
+	} else if opts.Int64Counter != nil {
+		if opts.IntVal == nil {
+			log := r.l.Trace().Str("field", string(opts.Field))
+			if opts.Station != nil {
+				log = log.Str("station", opts.Station.Name)
+			}
+			log.Msg("Dropping nil float metric")
+			return
+		}
+		r.recordCounter(opts.Int64Counter, *opts.IntVal, opts.Attributes...)
 	}
 }
 
@@ -71,6 +82,19 @@ func (o *RecordOpts) keep() bool {
 	return !slices.Contains(o.Station.DropMetrics, o.Field)
 }
 
+func (r *MetricRecorder) recordCounter(
+	m metric.Int64Counter, value int, attributes ...attribute.KeyValue,
+) {
+	// Prepare metric attributes
+	options := make([]metric.AddOption, 0, len(attributes))
+	if len(attributes) > 0 {
+		options = append(options, metric.WithAttributes(attributes...))
+	}
+
+	val := int64(value)
+	m.Add(r.ctx, val, options...)
+}
+
 func (r *MetricRecorder) recordInt(
 	m metric.Int64Gauge, value int, attributes ...attribute.KeyValue,
 ) {