add timestamp to proto

TODO.md

@@ -1,13 +1,14 @@
 # Issues
-- [ ] Redis recorder panic
+- [x] Redis recorder panic
 
 # TODO
 - [ ] Add json schema to CI and README
-- [ ] Finish implementing weather GRPC
 - [ ] Update README
 - [ ] Add Grafana dashboard
 
 ## Done
+- [x] Stop Marshaling sensors / batteries with no data
+- [x] Finish implementing weather GRPC
 - [x] Add json schema for config
 - [x] Add new spans
 - [x] Helm Chart

api/v1alpha1/weather/weather.pb.go

@@ -207,6 +207,7 @@ type WeatherUpdate struct {
 	DewPointF           *float64               `protobuf:"fixed64,25,opt,name=dew_point_f,json=dewPointF,proto3,oneof" json:"dew_point_f,omitempty"`
 	WindChillF          *float64               `protobuf:"fixed64,26,opt,name=wind_chill_f,json=windChillF,proto3,oneof" json:"wind_chill_f,omitempty"`
 	TempHumiditySensors []*TempHumiditySensor  `protobuf:"bytes,27,rep,name=temp_humidity_sensors,json=tempHumiditySensors,proto3" json:"temp_humidity_sensors,omitempty"`
+	UpdateTimestamp     *timestamppb.Timestamp `protobuf:"bytes,28,opt,name=update_timestamp,json=updateTimestamp,proto3" json:"update_timestamp,omitempty"`
 	unknownFields       protoimpl.UnknownFields
 	sizeCache           protoimpl.SizeCache
 }
@@ -430,6 +431,13 @@ func (x *WeatherUpdate) GetTempHumiditySensors() []*TempHumiditySensor {
 	return nil
 }
 
+func (x *WeatherUpdate) GetUpdateTimestamp() *timestamppb.Timestamp {
+	if x != nil {
+		return x.UpdateTimestamp
+	}
+	return nil
+}
+
 // Represents a temperature and humidity sensor
 type TempHumiditySensor struct {
 	state         protoimpl.MessageState `protogen:"open.v1"`
@@ -576,7 +584,7 @@ var file_weather_weather_proto_rawDesc = string([]byte{
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@@ -651,51 +659,56 @@ var file_weather_weather_proto_rawDesc = string([]byte{
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+	0x72, 0x74, 0x65, 0x72, 0x2f, 0x61, 0x70, 0x69, 0x2f, 0x76, 0x31, 0x61, 0x6c, 0x70, 0x68, 0x61,
+	0x31, 0x2f, 0x77, 0x65, 0x61, 0x74, 0x68, 0x65, 0x72, 0x62, 0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f,
+	0x33,
 })
 
 var (
@@ -726,11 +739,12 @@ var file_weather_weather_proto_depIdxs = []int32{
 	3, // 2: ambient.weather.GetWeatherResponse.weather_updates:type_name -> ambient.weather.WeatherUpdate
 	5, // 3: ambient.weather.WeatherUpdate.batteries:type_name -> ambient.weather.BatteryStatus
 	4, // 4: ambient.weather.WeatherUpdate.temp_humidity_sensors:type_name -> ambient.weather.TempHumiditySensor
-	5, // [5:5] is the sub-list for method output_type
-	5, // [5:5] is the sub-list for method input_type
-	5, // [5:5] is the sub-list for extension type_name
-	5, // [5:5] is the sub-list for extension extendee
-	0, // [0:5] is the sub-list for field type_name
+	6, // 5: ambient.weather.WeatherUpdate.update_timestamp:type_name -> google.protobuf.Timestamp
+	6, // [6:6] is the sub-list for method output_type
+	6, // [6:6] is the sub-list for method input_type
+	6, // [6:6] is the sub-list for extension type_name
+	6, // [6:6] is the sub-list for extension extendee
+	0, // [0:6] is the sub-list for field type_name
 }
 
 func init() { file_weather_weather_proto_init() }

helm/ambient-local-exporter/Chart.yaml

@@ -15,13 +15,13 @@ type: application
 # This is the chart version. This version number should be incremented each time you make changes
 # to the chart and its templates, including the app version.
 # Versions are expected to follow Semantic Versioning (https://semver.org/)
-version: 0.1.3
+version: 0.1.4
 
 # This is the version number of the application being deployed. This version number should be
 # incremented each time you make changes to the application. Versions are not expected to
 # follow Semantic Versioning. They should reflect the version the application is using.
 # It is recommended to use it with quotes.
-appVersion: "v0.11.0"
+appVersion: "v0.11.2"
 
 dependencies:
   - name: hull

pkg/weather/grpc/mapupdate.go

@@ -1,11 +1,17 @@
 package grpc
 
 import (
+	"slices"
+	"time"
+
+	"google.golang.org/protobuf/types/known/timestamppb"
+
 	pb "gitea.libretechconsulting.com/rmcguire/ambient-local-exporter/api/v1alpha1/weather"
 	"gitea.libretechconsulting.com/rmcguire/ambient-local-exporter/pkg/util"
 	"gitea.libretechconsulting.com/rmcguire/ambient-local-exporter/pkg/weather"
 )
 
+// Converts a slice of weather.WeatherUpdate to proto structs
 func UpdatesToPbUpdates(u []*weather.WeatherUpdate) []*pb.WeatherUpdate {
 	updates := make([]*pb.WeatherUpdate, len(u))
 	for i, update := range u {
@@ -14,7 +20,16 @@ func UpdatesToPbUpdates(u []*weather.WeatherUpdate) []*pb.WeatherUpdate {
 	return updates
 }
 
+// Maps a weather.WeatherUpdate to the proto version.
+//
+// This should be auto-generated code, but as the proto should be
+// stable, it is probably not worth the effort.
 func UpdateToPbUpdate(u *weather.WeatherUpdate) *pb.WeatherUpdate {
+	if u.DateUTC == nil {
+		now := time.Now()
+		u.DateUTC = &now
+	}
+
 	return &pb.WeatherUpdate{
 		StationName:         u.StationConfig.Name,
 		StationType:         util.DerefStr(u.StationType),
@@ -43,28 +58,33 @@ func UpdateToPbUpdate(u *weather.WeatherUpdate) *pb.WeatherUpdate {
 		DewPointF:           u.DewPointF,
 		WindChillF:          u.WindChillF,
 		TempHumiditySensors: thSensorsToPbSensors(u.TempHumiditySensors),
+		UpdateTimestamp:     timestamppb.New(*u.DateUTC),
 	}
 }
 
 func batteriesToPbBatteries(batteries []weather.BatteryStatus) []*pb.BatteryStatus {
-	pbBatteries := make([]*pb.BatteryStatus, len(batteries))
-	for i, b := range batteries {
-		pbBatteries[i] = &pb.BatteryStatus{
-			Component: b.Component,
-			Status:    util.Int32ptr(b.Status),
+	pbBatteries := make([]*pb.BatteryStatus, 0, len(batteries))
+	for _, b := range batteries {
+		if b.Status != nil {
+			pbBatteries = append(pbBatteries, &pb.BatteryStatus{
+				Component: b.Component,
+				Status:    util.Int32ptr(b.Status),
+			})
 		}
 	}
-	return pbBatteries
+	return slices.Clip(pbBatteries)
 }
 
 func thSensorsToPbSensors(sensors []*weather.TempHumiditySensor) []*pb.TempHumiditySensor {
-	pbSensors := make([]*pb.TempHumiditySensor, len(sensors))
-	for i, s := range sensors {
-		pbSensors[i] = &pb.TempHumiditySensor{
-			Name:     s.Name,
-			TempF:    s.TempF,
-			Humidity: util.Int32ptr(s.Humidity),
+	pbSensors := make([]*pb.TempHumiditySensor, 0, len(sensors))
+	for _, s := range sensors {
+		if s.TempF != nil || s.Humidity != nil {
+			pbSensors = append(pbSensors, &pb.TempHumiditySensor{
+				Name:     s.Name,
+				TempF:    s.TempF,
+				Humidity: util.Int32ptr(s.Humidity),
+			})
 		}
 	}
-	return pbSensors
+	return slices.Clip(pbSensors)
 }

pkg/weather/grpc/mapupdate_test.go

@@ -5,6 +5,7 @@ import (
 	"testing"
 	"time"
 
+	"google.golang.org/protobuf/types/known/timestamppb"
 	"k8s.io/utils/ptr"
 
 	pb "gitea.libretechconsulting.com/rmcguire/ambient-local-exporter/api/v1alpha1/weather"
@@ -12,8 +13,10 @@ import (
 	"gitea.libretechconsulting.com/rmcguire/ambient-local-exporter/pkg/weather"
 )
 
+var now = time.Now()
+
 var mockUpdate = &weather.WeatherUpdate{
-	DateUTC: &time.Time{},
+	DateUTC: &now,
 	StationConfig: &config.WeatherStation{
 		Name:      "50W",
 		Equipment: "WS-5000",
@@ -100,6 +103,7 @@ func TestUpdateToPbUpdate(t *testing.T) {
 						Humidity: nil,
 					},
 				},
+				UpdateTimestamp: timestamppb.New(now),
 			},
 		},
 	}

pkg/weather/recorder/recorders/redis/get.go

@@ -77,7 +77,7 @@ func (r *RedisRecorder) get(ctx context.Context, req *pb.GetWeatherRequest) (
 		Int("updatesFiltered", len(updates)-len(filtered)).
 		Msg("updates retrieved from redis")
 
-	return updates, err
+	return filtered, err
 }
 
 func jsonDatasToUpdates(datas []string) ([]*weather.WeatherUpdate, error) {

proto/weather/weather.proto

@@ -48,6 +48,7 @@ message WeatherUpdate {
 	optional double dew_point_f = 25;
 	optional double wind_chill_f = 26;
 	repeated TempHumiditySensor temp_humidity_sensors = 27;
+	google.protobuf.Timestamp update_timestamp = 28;
 }
 
 // Represents a temperature and humidity sensor