add timestamp to proto

update TODO
bump chart for redis support;
2025-03-23 12:15:18 -04:00 · 2025-03-23 12:06:27 -04:00 · 2025-03-23 11:44:13 -04:00 · 2025-03-23 11:43:31 -04:00 · 2025-03-23 11:16:54 -04:00 · 2025-03-22 14:39:26 -04:00
37 changed files with 1491 additions and 359 deletions
--- a/.gitea/workflows/ci.yml
+++ b/.gitea/workflows/ci.yml
@ -2,6 +2,7 @@ name: Build and Publish
 on:
  push:
    tags: ["v*"]
+    branches: ["main"]

 env:
  PACKAGE_NAME: ambient-local-exporter
@ -21,9 +22,10 @@ env:
 jobs:
  release:
    runs-on: ubuntu-latest
+    if: startsWith(github.ref, 'refs/tags/v')  # Only run on tag push
    steps:
      - name: Checkout Code
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4

      - name: Set up Go Environment
        uses: actions/setup-go@v4
@ -87,12 +89,29 @@ jobs:
            VER_PKG=${{ env.VER_PKG }}
            VERSION=${{ github.ref_name }}

+  # Detect if the helm chart was updated
+  check-chart:
+    runs-on: ubuntu-latest
+    outputs:
+      chart-updated: ${{ steps.filter.outputs.chart }}
+    steps:
+      - uses: actions/checkout@v4
+      - name: Check Chart Changed
+        uses: dorny/paths-filter@v3
+        id: filter
+        with:
+          base: ${{ github.ref }}
+          filters: |
+            chart:
+              - helm/ambient-local-exporter/Chart.yaml
+
  helm-release:
    runs-on: ubuntu-latest
-    needs: release
+    needs: check-chart
+    if: ${{ needs.check-chart.outputs.chart-updated == 'true' }}
    steps:
      - name: Checkout Code
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4

      - name: Install Helm
        env:
@ -102,7 +121,7 @@ jobs:

      - name: Package Chart
        run: |
-          helm package --app-version ${VERSION#v} ${CHART_DIR}
+          helm package --app-version ${VERSION} ${CHART_DIR}

      - name: Publish Chart
        env:
--- a/3
+++ b/3
@ -33,6 +33,9 @@ build: test
 	done
 	go build -ldflags "-X $(VER_PKG)=$(VERSION)" -o bin/${CMD_NAME}

+schema:
+	go run . -schema > contrib/schema.json
+
 docker:
 	@echo "Building Docker image $(DOCKER_IMG):$(VERSION)"
 	docker build \
--- a/TODO.md
+++ b/TODO.md
@ -1,10 +1,16 @@
+# Issues
+- [x] Redis recorder panic
+
 # TODO
- [ ] Finish implementing weather GRPC
+- [ ] Add json schema to CI and README
 - [ ] Update README
 - [ ] Add Grafana dashboard
- [ ] Add new spans

 ## 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
 - [x] Add proxy to upstream support
 - [x] Fix wunderground 401
--- a/api/v1alpha1/weather/weather.pb.go
+++ b/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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+	0x88, 0x01, 0x01, 0x12, 0x1f, 0x0a, 0x08, 0x68, 0x75, 0x6d, 0x69, 0x64, 0x69, 0x74, 0x79, 0x18,
+	0x03, 0x20, 0x01, 0x28, 0x05, 0x48, 0x01, 0x52, 0x08, 0x68, 0x75, 0x6d, 0x69, 0x64, 0x69, 0x74,
+	0x79, 0x88, 0x01, 0x01, 0x42, 0x09, 0x0a, 0x07, 0x5f, 0x74, 0x65, 0x6d, 0x70, 0x5f, 0x66, 0x42,
+	0x0b, 0x0a, 0x09, 0x5f, 0x68, 0x75, 0x6d, 0x69, 0x64, 0x69, 0x74, 0x79, 0x22, 0x55, 0x0a, 0x0d,
+	0x42, 0x61, 0x74, 0x74, 0x65, 0x72, 0x79, 0x53, 0x74, 0x61, 0x74, 0x75, 0x73, 0x12, 0x1c, 0x0a,
+	0x09, 0x63, 0x6f, 0x6d, 0x70, 0x6f, 0x6e, 0x65, 0x6e, 0x74, 0x18, 0x01, 0x20, 0x01, 0x28, 0x09,
+	0x52, 0x09, 0x63, 0x6f, 0x6d, 0x70, 0x6f, 0x6e, 0x65, 0x6e, 0x74, 0x12, 0x1b, 0x0a, 0x06, 0x73,
+	0x74, 0x61, 0x74, 0x75, 0x73, 0x18, 0x02, 0x20, 0x01, 0x28, 0x05, 0x48, 0x00, 0x52, 0x06, 0x73,
+	0x74, 0x61, 0x74, 0x75, 0x73, 0x88, 0x01, 0x01, 0x42, 0x09, 0x0a, 0x07, 0x5f, 0x73, 0x74, 0x61,
+	0x74, 0x75, 0x73, 0x42, 0x54, 0x5a, 0x52, 0x67, 0x69, 0x74, 0x65, 0x61, 0x2e, 0x6c, 0x69, 0x62,
+	0x72, 0x65, 0x74, 0x65, 0x63, 0x68, 0x63, 0x6f, 0x6e, 0x73, 0x75, 0x6c, 0x74, 0x69, 0x6e, 0x67,
+	0x2e, 0x63, 0x6f, 0x6d, 0x2f, 0x72, 0x6d, 0x63, 0x67, 0x75, 0x69, 0x72, 0x65, 0x2f, 0x61, 0x6d,
+	0x62, 0x69, 0x65, 0x6e, 0x74, 0x2d, 0x6c, 0x6f, 0x63, 0x61, 0x6c, 0x2d, 0x65, 0x78, 0x70, 0x6f,
+	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() }
--- a/app.go
+++ b/app.go
@ -0,0 +1,61 @@
+package main
+
+import (
+	"context"
+
+	"gitea.libretechconsulting.com/rmcguire/go-app/pkg/app"
+	grpcopts "gitea.libretechconsulting.com/rmcguire/go-app/pkg/srv/grpc/opts"
+	httpopts "gitea.libretechconsulting.com/rmcguire/go-app/pkg/srv/http/opts"
+
+	weatherpb "gitea.libretechconsulting.com/rmcguire/ambient-local-exporter/api/v1alpha1/weather"
+	"gitea.libretechconsulting.com/rmcguire/ambient-local-exporter/pkg/ambient"
+	"gitea.libretechconsulting.com/rmcguire/ambient-local-exporter/pkg/ambient/ambienthttp"
+	weathergrpc "gitea.libretechconsulting.com/rmcguire/ambient-local-exporter/pkg/weather/grpc"
+)
+
+func prepareApp(ctx context.Context, aw *ambient.AmbientWeather) *app.App {
+	// Load ambient routes into app
+	awApp := &app.App{
+		AppContext: ctx,
+
+		// HTTP Endpoints for Ambient Weather Stations
+		HTTP: &httpopts.AppHTTP{
+			Funcs: []httpopts.HTTPFunc{
+				{
+					Path:        "/weatherstation/updateweatherstation.php",
+					HandlerFunc: aw.GetWundergroundHandlerFunc(ctx),
+				},
+				{
+					Path:        "/data/report",
+					HandlerFunc: aw.GetAWNHandlerFunc(ctx),
+				},
+			},
+
+			// HTTP Listener that fixes broken requests generated by
+			// some versions of awn firmware
+			CustomListener: ambienthttp.NewAWNMutatingListener(ctx,
+				aw.Config.HTTP.Listen), // Necessary to fix certain bad AWN firmware
+
+			// Health check funcs
+			HealthChecks: []httpopts.HealthCheckFunc{
+				// TODO: Implement
+				func(ctx context.Context) error {
+					return nil
+				},
+			},
+		},
+
+		// GRPC Service for retrieving weather
+		GRPC: &grpcopts.AppGRPC{
+			Services: []*grpcopts.GRPCService{
+				{
+					Name:    "Weather Service",
+					Type:    &weatherpb.AmbientLocalWeatherService_ServiceDesc,
+					Service: weathergrpc.NewGRPCWeather(ctx, aw.GetRecorder()),
+				},
+			},
+		},
+	}
+
+	return awApp
+}
--- a/contrib/schema.json
+++ b/contrib/schema.json
@ -0,0 +1,226 @@
+{
+  "definitions": {
+    "ConfigGRPCConfig": {
+      "properties": {
+        "enableInstrumentation": {
+          "type": "boolean"
+        },
+        "enableReflection": {
+          "type": "boolean"
+        },
+        "enabled": {
+          "type": "boolean"
+        },
+        "listen": {
+          "type": "string"
+        },
+        "logRequests": {
+          "type": "boolean"
+        }
+      },
+      "type": "object"
+    },
+    "ConfigHTTPConfig": {
+      "properties": {
+        "enabled": {
+          "type": "boolean"
+        },
+        "idleTimeout": {
+          "type": "string"
+        },
+        "listen": {
+          "type": "string"
+        },
+        "logRequests": {
+          "type": "boolean"
+        },
+        "readTimeout": {
+          "type": "string"
+        },
+        "writeTimeout": {
+          "type": "string"
+        }
+      },
+      "type": "object"
+    },
+    "ConfigLogConfig": {
+      "properties": {
+        "enabled": {
+          "type": "boolean"
+        },
+        "format": {
+          "type": "string"
+        },
+        "level": {
+          "type": "string"
+        },
+        "output": {
+          "type": "string"
+        },
+        "timeFormat": {
+          "type": "string"
+        }
+      },
+      "type": "object"
+    },
+    "ConfigOTELConfig": {
+      "properties": {
+        "enabled": {
+          "type": "boolean"
+        },
+        "metricIntervalSecs": {
+          "type": "integer"
+        },
+        "prometheusEnabled": {
+          "type": "boolean"
+        },
+        "prometheusPath": {
+          "type": "string"
+        },
+        "stdoutEnabled": {
+          "type": "boolean"
+        }
+      },
+      "type": "object"
+    },
+    "ConfigRecorderConfig": {
+      "properties": {
+        "keepLast": {
+          "default": 120,
+          "type": "integer"
+        },
+        "redisConfig": {
+          "$ref": "#/definitions/ConfigRedisConfig"
+        },
+        "type": {
+          "enum": [
+            "memory",
+            "redis",
+            "noop"
+          ],
+          "type": "string"
+        }
+      },
+      "type": "object"
+    },
+    "ConfigRedisConfig": {
+      "properties": {
+        "redisDB": {
+          "default": 0,
+          "type": "integer"
+        },
+        "redisHost": {
+          "default": "127.0.0.1",
+          "type": "string"
+        },
+        "redisPassword": {
+          "type": "string"
+        },
+        "redisPort": {
+          "default": 6379,
+          "type": "integer"
+        },
+        "redisTLS": {
+          "default": false,
+          "type": "boolean"
+        },
+        "redisTLSInsecure": {
+          "default": false,
+          "type": "boolean"
+        },
+        "redisUser": {
+          "type": "string"
+        }
+      },
+      "type": "object"
+    },
+    "ConfigWeatherStation": {
+      "properties": {
+        "awnPassKey": {
+          "type": "string"
+        },
+        "dropMetrics": {
+          "items": {
+            "type": "string"
+          },
+          "type": "array"
+        },
+        "equipment": {
+          "type": "string"
+        },
+        "keepMetrics": {
+          "items": {
+            "type": "string"
+          },
+          "type": "array"
+        },
+        "name": {
+          "type": "string"
+        },
+        "proxyToAWN": {
+          "type": "boolean"
+        },
+        "proxyToWunderground": {
+          "type": "boolean"
+        },
+        "sensorMappings": {
+          "additionalProperties": {
+            "type": "string"
+          },
+          "type": "object"
+        },
+        "wundergroundID": {
+          "type": "string"
+        },
+        "wundergroundPassword": {
+          "type": "string"
+        }
+      },
+      "type": "object"
+    }
+  },
+  "properties": {
+    "environment": {
+      "type": "string"
+    },
+    "grpc": {
+      "$ref": "#/definitions/ConfigGRPCConfig"
+    },
+    "http": {
+      "$ref": "#/definitions/ConfigHTTPConfig"
+    },
+    "logging": {
+      "$ref": "#/definitions/ConfigLogConfig"
+    },
+    "metricPrefix": {
+      "default": "weather",
+      "type": "string"
+    },
+    "name": {
+      "type": "string"
+    },
+    "otel": {
+      "$ref": "#/definitions/ConfigOTELConfig"
+    },
+    "recorderConfig": {
+      "$ref": "#/definitions/ConfigRecorderConfig"
+    },
+    "updatesToKeep": {
+      "default": 1,
+      "type": [
+        "null",
+        "integer"
+      ]
+    },
+    "version": {
+      "type": "string"
+    },
+    "weatherStations": {
+      "items": {
+        "$ref": "#/definitions/ConfigWeatherStation"
+      },
+      "type": "array"
+    }
+  },
+  "type": "object"
+}
--- a/contrib/wu_sample.json
+++ b/contrib/wu_sample.json
@ -0,0 +1,89 @@
+{
+  "PASSKEY": [
+    "DE:AD:BE:EF:BE:EF"
+  ],
+  "baromabsin": [
+    "29.025"
+  ],
+  "baromrelin": [
+    "30.005"
+  ],
+  "batt1": [
+    "1"
+  ],
+  "battin": [
+    "1"
+  ],
+  "battout": [
+    "1"
+  ],
+  "battrain": [
+    "1"
+  ],
+  "dailyrainin": [
+    "0.000"
+  ],
+  "dateutc": [
+    "2025-03-23 14:07:59"
+  ],
+  "eventrainin": [
+    "0.000"
+  ],
+  "hourlyrainin": [
+    "0.000"
+  ],
+  "humidity": [
+    "55"
+  ],
+  "humidity1": [
+    "53"
+  ],
+  "humidityin": [
+    "36"
+  ],
+  "maxdailygust": [
+    "20.36"
+  ],
+  "monthlyrainin": [
+    "1.969"
+  ],
+  "solarradiation": [
+    "142.15"
+  ],
+  "stationtype": [
+    "WeatherHub_V1.0.2"
+  ],
+  "temp1f": [
+    "-2.74"
+  ],
+  "tempf": [
+    "33.98"
+  ],
+  "tempinf": [
+    "70.52"
+  ],
+  "totalrainin": [
+    "2.421"
+  ],
+  "uv": [
+    "1"
+  ],
+  "weeklyrainin": [
+    "0.000"
+  ],
+  "winddir": [
+    "117"
+  ],
+  "winddir_avg10m": [
+    "127"
+  ],
+  "windgustmph": [
+    "17.22"
+  ],
+  "windspeedmph": [
+    "10.29"
+  ],
+  "yearlyrainin": [
+    "2.421"
+  ]
+}
--- a/contrib/wu_test_sample.sh
+++ b/contrib/wu_test_sample.sh
@ -0,0 +1,9 @@
+#!env sh
+SCRIPT_DIR=$( dirname $0 )
+JSON_FILE="${SCRIPT_DIR}/wu_sample.json"
+BASE_URL="http://127.0.0.1:8080/data/report"
+
+# Convert JSON to query parameters
+QUERY_STRING=$(jq -r 'to_entries | map("\(.key)=\(.value[0] | @uri)") | join("&")' "$JSON_FILE")
+
+curl -G --data "$QUERY_STRING" "$BASE_URL"
--- a/docker-compose-sample.yml
+++ b/docker-compose-sample.yml
@ -3,7 +3,8 @@ services:
  ambient-local-exporter:
    build: .
    ports:
-      - 8080:8080
+      - 8080:8080 # HTTP
+      - 8081:8081 # GRPC
    volumes:
      - ./config.yaml:/app/config.yaml
    command:
--- a/go.mod
+++ b/go.mod
@ -3,17 +3,18 @@ module gitea.libretechconsulting.com/rmcguire/ambient-local-exporter
 go 1.23.4

 require (
-	gitea.libretechconsulting.com/rmcguire/go-app v0.6.3
+	gitea.libretechconsulting.com/rmcguire/go-app v0.7.0
 	github.com/go-resty/resty/v2 v2.16.5
 	github.com/gorilla/schema v1.4.1
-	github.com/rs/zerolog v1.33.0
+	github.com/redis/go-redis/v9 v9.7.3
+	github.com/rs/zerolog v1.34.0
 	go.opentelemetry.io/otel v1.35.0
 	go.opentelemetry.io/otel/metric v1.35.0
 	go.opentelemetry.io/otel/trace v1.35.0
 	golang.org/x/sys v0.31.0
 	google.golang.org/grpc v1.71.0
 	google.golang.org/protobuf v1.36.5
-	k8s.io/utils v0.0.0-20241210054802-24370beab758
+	k8s.io/utils v0.0.0-20250321185631-1f6e0b77f77e
 )

 require (
@ -21,6 +22,7 @@ require (
 	github.com/caarlos0/env/v11 v11.3.1 // indirect
 	github.com/cenkalti/backoff/v4 v4.3.0 // indirect
 	github.com/cespare/xxhash/v2 v2.3.0 // indirect
+	github.com/dgryski/go-rendezvous v0.0.0-20200823014737-9f7001d12a5f // indirect
 	github.com/felixge/httpsnoop v1.0.4 // indirect
 	github.com/go-logr/logr v1.4.2 // indirect
 	github.com/go-logr/stdr v1.2.2 // indirect
@ -33,8 +35,10 @@ require (
 	github.com/munnerz/goautoneg v0.0.0-20191010083416-a7dc8b61c822 // indirect
 	github.com/prometheus/client_golang v1.21.1 // indirect
 	github.com/prometheus/client_model v0.6.1 // indirect
-	github.com/prometheus/common v0.62.0 // indirect
-	github.com/prometheus/procfs v0.15.1 // indirect
+	github.com/prometheus/common v0.63.0 // indirect
+	github.com/prometheus/procfs v0.16.0 // indirect
+	github.com/swaggest/jsonschema-go v0.3.73 // indirect
+	github.com/swaggest/refl v1.3.1 // indirect
 	go.opentelemetry.io/auto/sdk v1.1.0 // indirect
 	go.opentelemetry.io/contrib/instrumentation/google.golang.org/grpc/otelgrpc v0.60.0 // indirect
 	go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp v0.60.0 // indirect
@ -49,7 +53,7 @@ require (
 	go.opentelemetry.io/proto/otlp v1.5.0 // indirect
 	golang.org/x/net v0.37.0 // indirect
 	golang.org/x/text v0.23.0 // indirect
-	google.golang.org/genproto/googleapis/api v0.0.0-20250303144028-a0af3efb3deb // indirect
-	google.golang.org/genproto/googleapis/rpc v0.0.0-20250303144028-a0af3efb3deb // indirect
+	google.golang.org/genproto/googleapis/api v0.0.0-20250313205543-e70fdf4c4cb4 // indirect
+	google.golang.org/genproto/googleapis/rpc v0.0.0-20250313205543-e70fdf4c4cb4 // indirect
 	gopkg.in/yaml.v3 v3.0.1 // indirect
 )
--- a/go.sum
+++ b/go.sum
@ -4,6 +4,8 @@ gitea.libretechconsulting.com/rmcguire/go-app v0.6.2 h1:vpEdZu7WI8qIil5NLf6OUF/T
 gitea.libretechconsulting.com/rmcguire/go-app v0.6.2/go.mod h1:S3/vdMEiRWWIdD0Fr+tjJc627VzxNzO4Ia2HgTBXe+g=
 gitea.libretechconsulting.com/rmcguire/go-app v0.6.3 h1:dXYHJxK/1vmWBj1wqbqEUncFt3O92agy9gNWoa9NpA0=
 gitea.libretechconsulting.com/rmcguire/go-app v0.6.3/go.mod h1:S3/vdMEiRWWIdD0Fr+tjJc627VzxNzO4Ia2HgTBXe+g=
+gitea.libretechconsulting.com/rmcguire/go-app v0.7.0 h1:yhRRwV/dxN4Bey1Qv8/rHHV5QvALrZuDJFI+zFPc7sU=
+gitea.libretechconsulting.com/rmcguire/go-app v0.7.0/go.mod h1:EM3Z9QcRD+b7UlKGA9y37ppfUBC0Reyf5sYEC6vFZcY=
 github.com/beorn7/perks v1.0.1 h1:VlbKKnNfV8bJzeqoa4cOKqO6bYr3WgKZxO8Z16+hsOM=
 github.com/beorn7/perks v1.0.1/go.mod h1:G2ZrVWU2WbWT9wwq4/hrbKbnv/1ERSJQ0ibhJ6rlkpw=
 github.com/caarlos0/env/v11 v11.3.1 h1:cArPWC15hWmEt+gWk7YBi7lEXTXCvpaSdCiZE2X5mCA=
@ -15,6 +17,8 @@ github.com/cespare/xxhash/v2 v2.3.0/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XL
 github.com/coreos/go-systemd/v22 v22.5.0/go.mod h1:Y58oyj3AT4RCenI/lSvhwexgC+NSVTIJ3seZv2GcEnc=
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/dgryski/go-rendezvous v0.0.0-20200823014737-9f7001d12a5f h1:lO4WD4F/rVNCu3HqELle0jiPLLBs70cWOduZpkS1E78=
+github.com/dgryski/go-rendezvous v0.0.0-20200823014737-9f7001d12a5f/go.mod h1:cuUVRXasLTGF7a8hSLbxyZXjz+1KgoB3wDUb6vlszIc=
 github.com/felixge/httpsnoop v1.0.4 h1:NFTV2Zj1bL4mc9sqWACXbQFVBBg2W3GPvqp8/ESS2Wg=
 github.com/felixge/httpsnoop v1.0.4/go.mod h1:m8KPJKqk1gH5J9DgRY2ASl2lWCfGKXixSwevea8zH2U=
 github.com/go-logr/logr v1.2.2/go.mod h1:jdQByPbusPIv2/zmleS9BjJVeZ6kBagPoEUsqbVz/1A=
@ -63,15 +67,28 @@ github.com/prometheus/client_model v0.6.1 h1:ZKSh/rekM+n3CeS952MLRAdFwIKqeY8b62p
 github.com/prometheus/client_model v0.6.1/go.mod h1:OrxVMOVHjw3lKMa8+x6HeMGkHMQyHDk9E3jmP2AmGiY=
 github.com/prometheus/common v0.62.0 h1:xasJaQlnWAeyHdUBeGjXmutelfJHWMRr+Fg4QszZ2Io=
 github.com/prometheus/common v0.62.0/go.mod h1:vyBcEuLSvWos9B1+CyL7JZ2up+uFzXhkqml0W5zIY1I=
+github.com/prometheus/common v0.63.0 h1:YR/EIY1o3mEFP/kZCD7iDMnLPlGyuU2Gb3HIcXnA98k=
+github.com/prometheus/common v0.63.0/go.mod h1:VVFF/fBIoToEnWRVkYoXEkq3R3paCoxG9PXP74SnV18=
 github.com/prometheus/procfs v0.15.1 h1:YagwOFzUgYfKKHX6Dr+sHT7km/hxC76UB0learggepc=
 github.com/prometheus/procfs v0.15.1/go.mod h1:fB45yRUv8NstnjriLhBQLuOUt+WW4BsoGhij/e3PBqk=
+github.com/prometheus/procfs v0.16.0 h1:xh6oHhKwnOJKMYiYBDWmkHqQPyiY40sny36Cmx2bbsM=
+github.com/prometheus/procfs v0.16.0/go.mod h1:8veyXUu3nGP7oaCxhX6yeaM5u4stL2FeMXnCqhDthZg=
+github.com/redis/go-redis/v9 v9.7.3 h1:YpPyAayJV+XErNsatSElgRZZVCwXX9QzkKYNvO7x0wM=
+github.com/redis/go-redis/v9 v9.7.3/go.mod h1:bGUrSggJ9X9GUmZpZNEOQKaANxSGgOEBRltRTZHSvrA=
 github.com/rogpeppe/go-internal v1.13.1 h1:KvO1DLK/DRN07sQ1LQKScxyZJuNnedQ5/wKSR38lUII=
 github.com/rogpeppe/go-internal v1.13.1/go.mod h1:uMEvuHeurkdAXX61udpOXGD/AzZDWNMNyH2VO9fmH0o=
 github.com/rs/xid v1.5.0/go.mod h1:trrq9SKmegXys3aeAKXMUTdJsYXVwGY3RLcfgqegfbg=
+github.com/rs/xid v1.6.0/go.mod h1:7XoLgs4eV+QndskICGsho+ADou8ySMSjJKDIan90Nz0=
 github.com/rs/zerolog v1.33.0 h1:1cU2KZkvPxNyfgEmhHAz/1A9Bz+llsdYzklWFzgp0r8=
 github.com/rs/zerolog v1.33.0/go.mod h1:/7mN4D5sKwJLZQ2b/znpjC3/GQWY/xaDXUM0kKWRHss=
+github.com/rs/zerolog v1.34.0 h1:k43nTLIwcTVQAncfCw4KZ2VY6ukYoZaBPNOE8txlOeY=
+github.com/rs/zerolog v1.34.0/go.mod h1:bJsvje4Z08ROH4Nhs5iH600c3IkWhwp44iRc54W6wYQ=
 github.com/stretchr/testify v1.10.0 h1:Xv5erBjTwe/5IxqUQTdXv5kgmIvbHo3QQyRwhJsOfJA=
 github.com/stretchr/testify v1.10.0/go.mod h1:r2ic/lqez/lEtzL7wO/rwa5dbSLXVDPFyf8C91i36aY=
+github.com/swaggest/jsonschema-go v0.3.73 h1:gU1pBzF3pkZ1GDD3dRMdQoCjrA0sldJ+QcM7aSSPgvc=
+github.com/swaggest/jsonschema-go v0.3.73/go.mod h1:qp+Ym2DIXHlHzch3HKz50gPf2wJhKOrAB/VYqLS2oJU=
+github.com/swaggest/refl v1.3.1 h1:XGplEkYftR7p9cz1lsiwXMM2yzmOymTE9vneVVpaOh4=
+github.com/swaggest/refl v1.3.1/go.mod h1:4uUVFVfPJ0NSX9FPwMPspeHos9wPFlCMGoPRllUbpvA=
 go.opentelemetry.io/auto/sdk v1.1.0 h1:cH53jehLUN6UFLY71z+NDOiNJqDdPRaXzTel0sJySYA=
 go.opentelemetry.io/auto/sdk v1.1.0/go.mod h1:3wSPjt5PWp2RhlCcmmOial7AvC4DQqZb7a7wCow3W8A=
 go.opentelemetry.io/contrib/instrumentation/google.golang.org/grpc/otelgrpc v0.60.0 h1:x7wzEgXfnzJcHDwStJT+mxOz4etr2EcexjqhBvmoakw=
@ -117,8 +134,12 @@ golang.org/x/time v0.6.0 h1:eTDhh4ZXt5Qf0augr54TN6suAUudPcawVZeIAPU7D4U=
 golang.org/x/time v0.6.0/go.mod h1:3BpzKBy/shNhVucY/MWOyx10tF3SFh9QdLuxbVysPQM=
 google.golang.org/genproto/googleapis/api v0.0.0-20250303144028-a0af3efb3deb h1:p31xT4yrYrSM/G4Sn2+TNUkVhFCbG9y8itM2S6Th950=
 google.golang.org/genproto/googleapis/api v0.0.0-20250303144028-a0af3efb3deb/go.mod h1:jbe3Bkdp+Dh2IrslsFCklNhweNTBgSYanP1UXhJDhKg=
+google.golang.org/genproto/googleapis/api v0.0.0-20250313205543-e70fdf4c4cb4 h1:IFnXJq3UPB3oBREOodn1v1aGQeZYQclEmvWRMN0PSsY=
+google.golang.org/genproto/googleapis/api v0.0.0-20250313205543-e70fdf4c4cb4/go.mod h1:c8q6Z6OCqnfVIqUFJkCzKcrj8eCvUrz+K4KRzSTuANg=
 google.golang.org/genproto/googleapis/rpc v0.0.0-20250303144028-a0af3efb3deb h1:TLPQVbx1GJ8VKZxz52VAxl1EBgKXXbTiU9Fc5fZeLn4=
 google.golang.org/genproto/googleapis/rpc v0.0.0-20250303144028-a0af3efb3deb/go.mod h1:LuRYeWDFV6WOn90g357N17oMCaxpgCnbi/44qJvDn2I=
+google.golang.org/genproto/googleapis/rpc v0.0.0-20250313205543-e70fdf4c4cb4 h1:iK2jbkWL86DXjEx0qiHcRE9dE4/Ahua5k6V8OWFb//c=
+google.golang.org/genproto/googleapis/rpc v0.0.0-20250313205543-e70fdf4c4cb4/go.mod h1:LuRYeWDFV6WOn90g357N17oMCaxpgCnbi/44qJvDn2I=
 google.golang.org/grpc v1.71.0 h1:kF77BGdPTQ4/JZWMlb9VpJ5pa25aqvVqogsxNHHdeBg=
 google.golang.org/grpc v1.71.0/go.mod h1:H0GRtasmQOh9LkFoCPDu3ZrwUtD1YGE+b2vYBYd/8Ec=
 google.golang.org/protobuf v1.36.5 h1:tPhr+woSbjfYvY6/GPufUoYizxw1cF/yFoxJ2fmpwlM=
@ -130,3 +151,5 @@ gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
 gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
 k8s.io/utils v0.0.0-20241210054802-24370beab758 h1:sdbE21q2nlQtFh65saZY+rRM6x6aJJI8IUa1AmH/qa0=
 k8s.io/utils v0.0.0-20241210054802-24370beab758/go.mod h1:OLgZIPagt7ERELqWJFomSt595RzquPNLL48iOWgYOg0=
+k8s.io/utils v0.0.0-20250321185631-1f6e0b77f77e h1:KqK5c/ghOm8xkHYhlodbp6i6+r+ChV2vuAuVRdFbLro=
+k8s.io/utils v0.0.0-20250321185631-1f6e0b77f77e/go.mod h1:OLgZIPagt7ERELqWJFomSt595RzquPNLL48iOWgYOg0=
--- a/helm/ambient-local-exporter/Chart.yaml
+++ b/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: 0.1.0
+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: "v0.10.1"
+appVersion: "v0.11.2"

 dependencies:
  - name: hull
--- a/main.go
+++ b/main.go
@ -2,28 +2,24 @@ package main

 import (
 	"context"
+	"flag"
+	"fmt"
 	"os"
 	"os/signal"

 	"gitea.libretechconsulting.com/rmcguire/go-app/pkg/app"
-	grpcopts "gitea.libretechconsulting.com/rmcguire/go-app/pkg/srv/grpc/opts"
-	httpopts "gitea.libretechconsulting.com/rmcguire/go-app/pkg/srv/http/opts"
 	"golang.org/x/sys/unix"
-	"k8s.io/utils/ptr"

-	weatherpb "gitea.libretechconsulting.com/rmcguire/ambient-local-exporter/api/v1alpha1/weather"
 	"gitea.libretechconsulting.com/rmcguire/ambient-local-exporter/pkg/ambient"
-	"gitea.libretechconsulting.com/rmcguire/ambient-local-exporter/pkg/ambient/ambienthttp"
 	"gitea.libretechconsulting.com/rmcguire/ambient-local-exporter/pkg/ambient/config"
-	weathergrpc "gitea.libretechconsulting.com/rmcguire/ambient-local-exporter/pkg/weather/grpc"
-	"gitea.libretechconsulting.com/rmcguire/ambient-local-exporter/pkg/weather/state"
 )

 const (
-	defaultMetricPrefix  = "weather"
-	defaultUpdatesToKeep = 120
+	defaultMetricPrefix = "weather"
 )

+var schema bool
+
 func main() {
 	ctx, cncl := signal.NotifyContext(context.Background(), os.Kill, os.Interrupt, unix.SIGTERM)
 	defer cncl()
@ -39,6 +35,12 @@ func main() {
 	// and set up logging, tracing, etc..
 	aw := ambient.New(ctx, awConfig).Init()

+	// Just show schema if that's all we were asked to do
+	if schema {
+		printSchema(awConfig)
+		os.Exit(0)
+	}
+
 	// Load http and grpc routes, prepare the app
 	awApp := prepareApp(ctx, aw)

@ -47,58 +49,16 @@ func main() {
 	<-awApp.Done()
 }

-func prepareApp(ctx context.Context, aw *ambient.AmbientWeather) *app.App {
-	// Config updates / defaults
-	if aw.Config.UpdatesToKeep == nil || *aw.Config.UpdatesToKeep < 1 {
-		aw.Config.UpdatesToKeep = ptr.To(defaultUpdatesToKeep)
-	}
-
-	// Load ambient routes into app
-	awApp := &app.App{
-		AppContext: ctx,
-
-		// HTTP Endpoints for Ambient Weather Stations
-		HTTP: &httpopts.AppHTTP{
-			Funcs: []httpopts.HTTPFunc{
-				{
-					Path:        "/weatherstation/updateweatherstation.php",
-					HandlerFunc: aw.GetWundergroundHandlerFunc(ctx),
-				},
-				{
-					Path:        "/data/report",
-					HandlerFunc: aw.GetAWNHandlerFunc(ctx),
-				},
-			},
-
-			// HTTP Listener that fixes broken requests generated by
-			// some versions of awn firmware
-			CustomListener: ambienthttp.NewAWNMutatingListener(ctx,
-				aw.Config.HTTP.Listen), // Necessary to fix certain bad AWN firmware
-
-			// Health check funcs
-			HealthChecks: []httpopts.HealthCheckFunc{
-				// TODO: Implement
-				func(ctx context.Context) error {
-					return nil
-				},
-			},
-		},
-
-		// GRPC Service for retrieving weather
-		GRPC: &grpcopts.AppGRPC{
-			Services: []*grpcopts.GRPCService{
-				{
-					Name: "Weather Service",
-					Type: &weatherpb.AmbientLocalWeatherService_ServiceDesc,
-					Service: weathergrpc.NewGRPCWeather(ctx, state.NewWeatherState(
-						&state.Opts{
-							Ctx:      ctx,
-							KeepLast: *aw.Config.UpdatesToKeep,
-						})),
-				},
-			},
-		},
-	}
-
-	return awApp
+// flag.Parse will be called by go-app
+func init() {
+	flag.BoolVar(&schema, "schema", false, "generate json schema and exit")
+}
+
+func printSchema(config *config.AmbientLocalExporterConfig) {
+	bytes, err := app.CustomSchema(config)
+	if err != nil {
+		panic(err)
+	}
+
+	fmt.Println(string(bytes))
 }
--- a/pkg/ambient/ambient.go
+++ b/pkg/ambient/ambient.go
@ -20,35 +20,85 @@ import (
 	"gitea.libretechconsulting.com/rmcguire/ambient-local-exporter/pkg/provider/awn"
 	"gitea.libretechconsulting.com/rmcguire/ambient-local-exporter/pkg/provider/wunderground"
 	"gitea.libretechconsulting.com/rmcguire/ambient-local-exporter/pkg/weather"
+	"gitea.libretechconsulting.com/rmcguire/ambient-local-exporter/pkg/weather/recorder"
+	"gitea.libretechconsulting.com/rmcguire/ambient-local-exporter/pkg/weather/recorder/recorders"
+	"gitea.libretechconsulting.com/rmcguire/ambient-local-exporter/pkg/weather/recorder/recorders/memory"
+	"gitea.libretechconsulting.com/rmcguire/ambient-local-exporter/pkg/weather/recorder/recorders/noop"
+	"gitea.libretechconsulting.com/rmcguire/ambient-local-exporter/pkg/weather/recorder/recorders/redis"
 )

+const defUpdatesToKeep = 120
+
 type AmbientWeather struct {
 	// These providers implement support for the update sent
 	// when either "AmbientWeather" or "Wunderground" are selected
 	// in the "Custom" section of the AWNet app, or the web UI
 	// of an Ambient WeatherHub
-	Config      *config.AmbientLocalExporterConfig
-	awnProvider provider.AmbientProvider
-	wuProvider  provider.AmbientProvider
-	appCtx      context.Context
-	metrics     *weather.WeatherMetrics
-	l           *zerolog.Logger
+	Config          *config.AmbientLocalExporterConfig
+	awnProvider     provider.AmbientProvider
+	wuProvider      provider.AmbientProvider
+	weatherRecorder *recorder.WeatherRecorder
+	appCtx          context.Context
+	metrics         *weather.WeatherMetrics
+	l               *zerolog.Logger
+	*sync.RWMutex
 }

 func New(appCtx context.Context, awConfig *config.AmbientLocalExporterConfig) *AmbientWeather {
 	return &AmbientWeather{
-		Config: awConfig,
-		appCtx: appCtx,
+		Config:  awConfig,
+		appCtx:  appCtx,
+		RWMutex: &sync.RWMutex{},
 	}
 }

 // Initialize with defaults, set logger from context
 func (aw *AmbientWeather) Init() *AmbientWeather {
+	tracer := otel.GetTracer(aw.appCtx, "ambientWeather")
+	_, span := tracer.Start(aw.appCtx, "ambientWeather.init",
+		trace.WithAttributes(
+			attribute.String("name", aw.Config.Name),
+			attribute.Bool("grpcEnabled", aw.Config.GRPCEnabled()),
+			attribute.Bool("httpEnabled", aw.Config.HTTPEnabled()),
+			attribute.Int("weatherStations", len(aw.Config.WeatherStations)),
+		))
+	defer span.End()
+
 	aw.awnProvider = &awn.AWNProvider{}
 	aw.wuProvider = &wunderground.WUProvider{}
 	aw.l = zerolog.Ctx(aw.appCtx)

+	updatesToKeep := defUpdatesToKeep
+	if aw.Config.UpdatesToKeep != nil && *aw.Config.UpdatesToKeep > 0 {
+		updatesToKeep = *aw.Config.UpdatesToKeep
+	}
+	span.SetAttributes(attribute.Int("updatesToKeep", updatesToKeep))
+
+	// Choose weather recorder for grpc / api requests,
+	// default is memory recorder
+	var r recorders.Recorder
+	if aw.Config == nil || aw.Config.RecorderConfig == nil {
+		r = &memory.MemoryRecorder{}
+	} else {
+		switch aw.Config.RecorderConfig.Type {
+		case config.TypeMemory:
+			r = &memory.MemoryRecorder{}
+		case config.TypeRedis:
+			r = &redis.RedisRecorder{}
+		case config.TypeNoop:
+			r = &noop.NoopRecorder{}
+		}
+	}
+
+	aw.weatherRecorder = recorder.MustNewWeatherRecorder(&recorder.Opts{
+		AppConfig: aw.Config,
+		Ctx:       aw.appCtx,
+		KeepLast:  updatesToKeep,
+		Recorder:  r,
+	})
+
 	aw.l.Trace().Any("awConfig", aw.Config).Send()
+	span.SetStatus(codes.Ok, "")
 	return aw
 }

@ -78,6 +128,9 @@ func (aw *AmbientWeather) handleProviderRequest(
 	w http.ResponseWriter,
 	r *http.Request,
 ) {
+	aw.Lock()
+	defer aw.Unlock()
+
 	l := zerolog.Ctx(aw.appCtx)
 	tracer := otel.GetTracer(aw.appCtx, p.Name()+".http.handler")

@ -110,6 +163,9 @@ func (aw *AmbientWeather) handleProviderRequest(
 		updateSpan.SetAttributes(attribute.String("stationName", update.StationConfig.Name))
 	}

+	// Record state
+	aw.weatherRecorder.Set(ctx, update)
+
 	// Update metrics
 	aw.metricsUpdate(ctx, p, update)

@ -242,3 +298,10 @@ func (aw *AmbientWeather) enrichStation(update *weather.WeatherUpdate) {
 		}
 	}
 }
+
+func (aw *AmbientWeather) GetRecorder() *recorder.WeatherRecorder {
+	aw.RLock()
+	defer aw.RUnlock()
+
+	return aw.weatherRecorder
+}
--- a/pkg/ambient/config/config.go
+++ b/pkg/ambient/config/config.go
@ -6,24 +6,25 @@ import (

 // This configuration includes all config from go-app/config.AppConfig
 type AmbientLocalExporterConfig struct {
-	MetricPrefix      string           `yaml:"metricPrefix" default:"weather" env:"AMBIENT_METRIC_PREFIX"`
-	UpdatesToKeep     *int             `yaml:"updatesToKeep" default:"1" env:"AMBIENT_UPDATES_TO_KEEP"`
-	WeatherStations   []WeatherStation `yaml:"weatherStations" env:"weatherStations"` // No env, too complex, not worth the time
+	MetricPrefix      string           `yaml:"metricPrefix" default:"weather" env:"AMBIENT_METRIC_PREFIX" json:"metricPrefix,omitempty"`
+	UpdatesToKeep     *int             `yaml:"updatesToKeep" default:"1" env:"AMBIENT_UPDATES_TO_KEEP" json:"updatesToKeep,omitempty"`
+	WeatherStations   []WeatherStation `yaml:"weatherStations" json:"weatherStations,omitempty"` // No env, too complex, not worth the time
+	RecorderConfig    *RecorderConfig  `yaml:"recorderConfig" json:"recorderConfig,omitempty"`
 	*config.AppConfig                  // Extends app config
 }

 type WeatherStation struct {
-	Name      string `yaml:"name"`      // Human Friendly Name (e.g. Back Yard Weather)
-	Equipment string `yaml:"equipment"` // Equipment Type (e.g. WS-5000)
+	Name      string `yaml:"name" json:"name,omitempty"`           // Human Friendly Name (e.g. Back Yard Weather)
+	Equipment string `yaml:"equipment" json:"equipment,omitempty"` // Equipment Type (e.g. WS-5000)

 	// Required if proxying to awn/wu is enabled
-	WundergroundID       string `yaml:"wundergroundID"`
-	WundergroundPassword string `yaml:"wundergroundPassword"`
-	AWNPassKey           string `yaml:"awnPassKey"`
+	WundergroundID       string `yaml:"wundergroundID" json:"wundergroundID,omitempty"`
+	WundergroundPassword string `yaml:"wundergroundPassword" json:"wundergroundPassword,omitempty"`
+	AWNPassKey           string `yaml:"awnPassKey" json:"awnPassKey,omitempty"`

 	// Proxy updates to AWN or Wunderground
-	ProxyToAWN          bool `yaml:"proxyToAWN"`
-	ProxyToWunderground bool `yaml:"proxyToWunderground"`
+	ProxyToAWN          bool `yaml:"proxyToAWN" json:"proxyToAWN,omitempty"`
+	ProxyToWunderground bool `yaml:"proxyToWunderground" json:"proxyToWunderground,omitempty"`

 	// Unreliable / unwanted metrics by name of WeatherUpdate Field
 	// will be excluded if present in discardMetrics
@ -32,8 +33,8 @@ type WeatherStation struct {
 	// ignoring discardMetrics.
 	//
 	// Check weather.WeatherUpdateField for options
-	KeepMetrics []string `yaml:"keepMetrics"`
-	DropMetrics []string `yaml:"dropMetrics"`
+	KeepMetrics []string `yaml:"keepMetrics" json:"keepMetrics,omitempty"`
+	DropMetrics []string `yaml:"dropMetrics" json:"dropMetrics,omitempty"`

 	// Relabels battery and sensor names
 	// Temp+Humidity Sensors:
@ -43,5 +44,5 @@ type WeatherStation struct {
 	//   - OutdoorSensor
 	//   - RainSensor
 	//   - CO2Sensor
-	SensorMappings map[string]string `yaml:"sensorMappings"`
+	SensorMappings map[string]string `yaml:"sensorMappings" json:"sensorMappings,omitempty"`
 }
--- a/pkg/ambient/config/config_recorder.go
+++ b/pkg/ambient/config/config_recorder.go
@ -0,0 +1,25 @@
+package config
+
+type RecorderType string
+
+const (
+	TypeMemory RecorderType = "memory" // Stores weather updates in memory
+	TypeRedis  RecorderType = "redis"  // Required for replicas > 1
+	TypeNoop   RecorderType = "noop"   // No-op implementation
+)
+
+type RecorderConfig struct {
+	Type        RecorderType `yaml:"type" env:"RECORDER_TYPE" json:"type,omitempty" enum:"memory,redis,noop"`
+	KeepLast    int          `yaml:"keepLast" env:"RECORDER_KEEP_LAST" json:"keepLast,omitempty" default:"120"`
+	RedisConfig *RedisConfig `yaml:"redisConfig,omitempty" json:"redisConfig,omitempty"`
+}
+
+type RedisConfig struct {
+	RedisHost        string `yaml:"redisHost" env:"REDIS_HOST" default:"127.0.0.1" json:"redisHost,omitempty"`
+	RedisPort        int    `yaml:"redisPort" env:"REDIS_PORT" default:"6379" json:"redisPort,omitempty"`
+	RedisUser        string `yaml:"redisUser" env:"REDIS_USER" json:"redisUser,omitempty"`
+	RedisPassword    string `yaml:"redisPassword" env:"REDIS_PASSWORD" json:"redisPassword,omitempty"`
+	RedisDB          int    `yaml:"redisDB" env:"REDIS_DB" default:"0" json:"redisDB,omitempty"`
+	RedisTLS         bool   `yaml:"redisTLS" env:"REDIS_TLS" default:"false" json:"redisTLS,omitempty"`
+	RedisTLSInsecure bool   `yaml:"redisTLSInsecure" env:"REDIS_TLS_INSECURE" default:"false" json:"redisTLSInsecure,omitempty"`
+}
--- a/pkg/util/util.go
+++ b/pkg/util/util.go
@ -0,0 +1,104 @@
+package util
+
+import (
+	"crypto/md5"
+	"encoding/hex"
+	"fmt"
+	"slices"
+
+	"gitea.libretechconsulting.com/rmcguire/go-app/pkg/config"
+	"k8s.io/utils/ptr"
+
+	pb "gitea.libretechconsulting.com/rmcguire/ambient-local-exporter/api/v1alpha1/weather"
+	"gitea.libretechconsulting.com/rmcguire/ambient-local-exporter/pkg/weather"
+)
+
+const defaultLimit = -1
+
+func DerefStr(s *string) string {
+	if s == nil {
+		return ""
+	}
+	return *s
+}
+
+func Int32ptr(i *int) *int32 {
+	if i == nil {
+		return nil
+	}
+	return ptr.To(int32(*i))
+}
+
+// Generates a hash that will be consistent
+// across all running replicas
+func GetAppHash(conf *config.AppConfig) string {
+	hashName := fmt.Sprintf("%s-%s-%s",
+		conf.Name,
+		conf.Environment,
+		conf.Version,
+	)
+
+	hash := md5.Sum([]byte(hashName))
+	return hex.EncodeToString(hash[:])
+}
+
+// Get a limit from req, applying a default if unset or not sane
+func GetLimitFromReq(req *pb.GetWeatherRequest) int {
+	if req == nil || req.Limit == nil {
+		return defaultLimit
+	}
+
+	if req.GetLimit() == 0 {
+		return defaultLimit
+	}
+
+	return int(req.GetLimit())
+}
+
+// Simple helper to trim a list of updates
+func LimitUpdates(updates []*weather.WeatherUpdate, limit int) []*weather.WeatherUpdate {
+	if limit < 0 {
+		return updates // No limit
+	}
+
+	if len(updates) > limit {
+		return updates[len(updates)-limit:] // Trim to limit
+	}
+
+	return updates // Within limit
+}
+
+func ApplyOptsToUpdates(updates []*weather.WeatherUpdate, limit int, opts *pb.GetWeatherOpts) []*weather.WeatherUpdate {
+	if opts == nil {
+		return updates
+	} else if opts.StationName == nil && opts.StationType == nil {
+		return updates
+	}
+
+	filtered := make([]*weather.WeatherUpdate, 0, limit)
+
+	for i := len(updates) - 1; i >= 0; i-- {
+		update := updates[i]
+		match := true
+
+		if opts.GetStationName() != "" {
+			if update.GetStationName() != opts.GetStationName() {
+				match = false
+			}
+		}
+		if opts.GetStationType() != "" {
+			if DerefStr(update.StationType) != opts.GetStationType() {
+				match = false
+			}
+		}
+
+		if match {
+			filtered = append(filtered, update)
+			if limit > 0 && len(filtered) >= limit {
+				return slices.Clip(filtered)
+			}
+		}
+	}
+
+	return slices.Clip(filtered)
+}
--- a/pkg/weather/grpc/mapupdate.go
+++ b/pkg/weather/grpc/mapupdate.go
@ -1,12 +1,17 @@
 package grpc

 import (
-	"k8s.io/utils/ptr"
+	"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 {
@ -15,21 +20,30 @@ 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:         derefStr(u.StationType),
-		StationId:           derefStr(u.StationID),
+		StationType:         util.DerefStr(u.StationType),
+		StationId:           util.DerefStr(u.StationID),
 		TempOutdoorF:        u.TempOutdoorF,
 		TempIndoorF:         u.TempIndoorF,
-		HumidityOutdoor:     int32ptr(u.HumidityOudoor),
-		HumidityIndoor:      int32ptr(u.HumidityIndoor),
+		HumidityOutdoor:     util.Int32ptr(u.HumidityOudoor),
+		HumidityIndoor:      util.Int32ptr(u.HumidityIndoor),
 		WindSpeedMph:        u.WindSpeedMPH,
 		WindGustMph:         u.WindGustMPH,
 		MaxDailyGust:        u.MaxDailyGust,
-		WindDir:             int32ptr(u.WindDir),
-		WindDirAvg_10M:      int32ptr(u.WindDirAvg10m),
-		Uv:                  int32ptr(u.UV),
+		WindDir:             util.Int32ptr(u.WindDir),
+		WindDirAvg_10M:      util.Int32ptr(u.WindDirAvg10m),
+		Uv:                  util.Int32ptr(u.UV),
 		SolarRadiation:      u.SolarRadiation,
 		HourlyRainIn:        u.HourlyRainIn,
 		EventRainIn:         u.EventRainIn,
@ -44,42 +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:    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: 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
-}
-
-func derefStr(s *string) string {
-	if s == nil {
-		return ""
-	}
-	return *s
-}
-
-func int32ptr(i *int) *int32 {
-	if i == nil {
-		return nil
-	}
-	return ptr.To(int32(*i))
+	return slices.Clip(pbSensors)
 }
--- a/pkg/weather/grpc/mapupdate_test.go
+++ b/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),
 			},
 		},
 	}
--- a/pkg/weather/grpc/weather.go
+++ b/pkg/weather/grpc/weather.go
@ -13,21 +13,21 @@ import (
 	"gitea.libretechconsulting.com/rmcguire/go-app/pkg/otel"

 	pb "gitea.libretechconsulting.com/rmcguire/ambient-local-exporter/api/v1alpha1/weather"
-	"gitea.libretechconsulting.com/rmcguire/ambient-local-exporter/pkg/weather/state"
+	"gitea.libretechconsulting.com/rmcguire/ambient-local-exporter/pkg/weather/recorder"
 )

 type GRPCWeather struct {
-	ctx    context.Context
-	state  *state.WeatherState
-	tracer trace.Tracer
+	ctx      context.Context
+	recorder *recorder.WeatherRecorder
+	tracer   trace.Tracer
 	*pb.UnimplementedAmbientLocalWeatherServiceServer
 }

-func NewGRPCWeather(ctx context.Context, state *state.WeatherState) *GRPCWeather {
+func NewGRPCWeather(ctx context.Context, recorder *recorder.WeatherRecorder) *GRPCWeather {
 	return &GRPCWeather{
-		ctx:    ctx,
-		state:  state,
-		tracer: otel.GetTracer(ctx, "grpcWeather"),
+		ctx:      ctx,
+		recorder: recorder,
+		tracer:   otel.GetTracer(ctx, "grpcWeather"),
 	}
 }

@ -46,7 +46,7 @@ func (w *GRPCWeather) GetWeather(ctx context.Context, req *pb.GetWeatherRequest)

 	span.SetAttributes(attribute.Int("limit", limit))

-	updates, err := w.state.Get(ctx, limit)
+	updates, err := w.recorder.Get(ctx, req)
 	if err != nil {
 		span.RecordError(err)
 		span.SetStatus(otelcodes.Error, err.Error())
--- a/pkg/weather/recorder/recorder.go
+++ b/pkg/weather/recorder/recorder.go
@ -0,0 +1,57 @@
+package recorder
+
+import (
+	"context"
+	"sync"
+
+	"github.com/rs/zerolog"
+	"go.opentelemetry.io/otel/metric"
+	"go.opentelemetry.io/otel/trace"
+
+	"gitea.libretechconsulting.com/rmcguire/go-app/pkg/otel"
+
+	"gitea.libretechconsulting.com/rmcguire/ambient-local-exporter/pkg/ambient/config"
+	"gitea.libretechconsulting.com/rmcguire/ambient-local-exporter/pkg/weather/recorder/recorders"
+)
+
+type WeatherRecorder struct {
+	recorder recorders.Recorder
+	ctx      context.Context
+	tracer   trace.Tracer
+	meter    metric.Meter
+	*sync.RWMutex
+}
+
+type Opts struct {
+	AppConfig *config.AmbientLocalExporterConfig
+	Ctx       context.Context
+	Recorder  recorders.Recorder // If nil, will use memory recorder
+	KeepLast  int
+}
+
+func MustNewWeatherRecorder(opts *Opts) *WeatherRecorder {
+	if opts.KeepLast < 1 {
+		opts.KeepLast = 1
+	}
+
+	if opts.Recorder == nil {
+		panic("no recorder provided")
+	}
+
+	opts.Recorder.Init(opts.Ctx, &recorders.RecorderOpts{
+		AppConfig:  opts.AppConfig,
+		RetainLast: opts.KeepLast,
+		BaseCtx:    opts.Ctx,
+	})
+
+	zerolog.Ctx(opts.Ctx).Info().Str("recorderType", opts.Recorder.Name()).
+		Msg("weather update recorder ready")
+
+	return &WeatherRecorder{
+		ctx:      opts.Ctx,
+		recorder: opts.Recorder,
+		tracer:   otel.GetTracer(opts.Ctx, "weatherRecorder"),
+		meter:    otel.GetMeter(opts.Ctx, "weatherRecorder"),
+		RWMutex:  &sync.RWMutex{},
+	}
+}
--- a/pkg/weather/recorder/recorder_get.go
+++ b/pkg/weather/recorder/recorder_get.go
@ -0,0 +1,65 @@
+package recorder
+
+import (
+	"context"
+
+	"go.opentelemetry.io/otel/attribute"
+	"go.opentelemetry.io/otel/codes"
+	"k8s.io/utils/ptr"
+
+	pb "gitea.libretechconsulting.com/rmcguire/ambient-local-exporter/api/v1alpha1/weather"
+	"gitea.libretechconsulting.com/rmcguire/ambient-local-exporter/pkg/weather"
+)
+
+// Returns last requested number of weather updates
+// If negative number given, will return all weather observations
+func (w *WeatherRecorder) Get(ctx context.Context, req *pb.GetWeatherRequest) (
+	[]*weather.WeatherUpdate, error,
+) {
+	if req == nil {
+		req = &pb.GetWeatherRequest{Limit: ptr.To(int32(-1))}
+	}
+
+	if req.Limit == nil || *req.Limit < 0 {
+		req.Limit = ptr.To(int32(-1))
+	} else if *req.Limit == 0 {
+		req.Limit = ptr.To(int32(1))
+	}
+
+	var filterSN, filterST string
+	if req.Opts != nil {
+		filterSN = req.Opts.GetStationName()
+		filterST = req.Opts.GetStationType()
+	}
+
+	ctx, span := w.tracer.Start(ctx, "getWeatherRecorder")
+	span.SetAttributes(
+		attribute.String("stationNameFilter", filterSN),
+		attribute.String("stationTypeFilter", filterST),
+		attribute.Int("last", int(*req.Limit)),
+		attribute.Int("currentSize", w.Count(ctx)),
+	)
+	defer span.End()
+
+	updates, err := w.recorder.Get(ctx, req)
+	if err != nil {
+		span.RecordError(err)
+		span.SetStatus(codes.Error, err.Error())
+	} else {
+		span.SetStatus(codes.Ok, "")
+	}
+
+	return updates, err
+}
+
+// Returns count of retained weather updates
+func (w *WeatherRecorder) Count(ctx context.Context) int {
+	ctx, span := w.tracer.Start(ctx, "countWeatherRecorder")
+	defer span.End()
+
+	count := w.recorder.Count(ctx)
+	span.SetAttributes(attribute.Int("count", count))
+
+	span.SetStatus(codes.Ok, "")
+	return count
+}
--- a/pkg/weather/recorder/recorder_set.go
+++ b/pkg/weather/recorder/recorder_set.go
@ -0,0 +1,33 @@
+package recorder
+
+import (
+	"context"
+
+	"go.opentelemetry.io/otel/attribute"
+	"go.opentelemetry.io/otel/trace"
+
+	"gitea.libretechconsulting.com/rmcguire/ambient-local-exporter/pkg/ambient/config"
+	"gitea.libretechconsulting.com/rmcguire/ambient-local-exporter/pkg/util"
+	"gitea.libretechconsulting.com/rmcguire/ambient-local-exporter/pkg/weather"
+)
+
+func (w *WeatherRecorder) Set(ctx context.Context, u *weather.WeatherUpdate) error {
+	if u.StationConfig == nil {
+		u.StationConfig = &config.WeatherStation{
+			Name:                "unregistered",
+			Equipment:           "unknown",
+			ProxyToAWN:          false,
+			ProxyToWunderground: false,
+			KeepMetrics:         []string{},
+		}
+	}
+
+	ctx, span := w.tracer.Start(ctx, "setRecorderUpdate", trace.WithAttributes(
+		attribute.String("stationName", u.StationConfig.Name),
+		attribute.String("stationType", util.DerefStr(u.StationType)),
+		attribute.String("stationEquipment", u.StationConfig.Equipment),
+	))
+	defer span.End()
+
+	return w.recorder.Set(ctx, u)
+}
--- a/pkg/weather/recorder/recorders/memory/count.go
+++ b/pkg/weather/recorder/recorders/memory/count.go
@ -0,0 +1,24 @@
+package memory
+
+import (
+	"context"
+
+	"go.opentelemetry.io/otel/attribute"
+	"go.opentelemetry.io/otel/codes"
+)
+
+func (r *MemoryRecorder) Count(ctx context.Context) int {
+	_, span := r.tracer.Start(ctx, "countWeatherRecorder")
+	defer span.End()
+
+	count := r.count()
+
+	span.SetAttributes(attribute.Int("count", count))
+	span.SetStatus(codes.Ok, "")
+
+	return count
+}
+
+func (r *MemoryRecorder) count() int {
+	return len(r.updates)
+}
--- a/pkg/weather/recorder/recorders/memory/get.go
+++ b/pkg/weather/recorder/recorders/memory/get.go
@ -0,0 +1,50 @@
+package memory
+
+import (
+	"context"
+	"errors"
+
+	"go.opentelemetry.io/otel/attribute"
+	"go.opentelemetry.io/otel/codes"
+
+	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"
+)
+
+func (r *MemoryRecorder) Get(ctx context.Context, req *pb.GetWeatherRequest) (
+	[]*weather.WeatherUpdate, error,
+) {
+	_, span := r.tracer.Start(ctx, "memoryRecorder.Get")
+	defer span.End()
+
+	r.RLock()
+	defer r.RUnlock()
+
+	span.AddEvent("acquired lock on recorder cache")
+
+	limit := util.GetLimitFromReq(req)
+	if r.count() == 0 {
+		err := errors.New("no recorded updates to get")
+		span.RecordError(err)
+		return nil, err
+	} else if limit > 0 && r.count() <= limit {
+		span.RecordError(errors.New("requested more updates than recorded"))
+	}
+
+	updates := r.getUpdatesFromReq(req)
+	span.AddEvent("request limit/opts applied to updates")
+
+	span.SetAttributes(attribute.Int("retrieved", len(updates)))
+	span.SetStatus(codes.Ok, "")
+
+	return updates, nil
+}
+
+func (r *MemoryRecorder) getUpdatesFromReq(req *pb.GetWeatherRequest) []*weather.WeatherUpdate {
+	if req.Opts == nil {
+		return util.LimitUpdates(r.updates, util.GetLimitFromReq(req))
+	}
+
+	return util.ApplyOptsToUpdates(r.updates, util.GetLimitFromReq(req), req.Opts)
+}
--- a/pkg/weather/recorder/recorders/memory/memory.go
+++ b/pkg/weather/recorder/recorders/memory/memory.go
@ -0,0 +1,40 @@
+package memory
+
+import (
+	"context"
+	"sync"
+
+	"go.opentelemetry.io/otel/trace"
+
+	"gitea.libretechconsulting.com/rmcguire/go-app/pkg/otel"
+
+	"gitea.libretechconsulting.com/rmcguire/ambient-local-exporter/pkg/weather"
+	"gitea.libretechconsulting.com/rmcguire/ambient-local-exporter/pkg/weather/recorder/recorders"
+)
+
+const (
+	DEF_RETAIN_LAST = 120
+	NAME            = "memory recorder"
+)
+
+type MemoryRecorder struct {
+	baseCtx context.Context
+	updates []*weather.WeatherUpdate
+	tracer  trace.Tracer
+	keep    int
+	*sync.RWMutex
+}
+
+func (r *MemoryRecorder) Init(ctx context.Context, opts *recorders.RecorderOpts) {
+	if opts.RetainLast < 1 {
+		opts.RetainLast = DEF_RETAIN_LAST
+	}
+
+	r.updates = make([]*weather.WeatherUpdate, 0, opts.RetainLast)
+	r.keep = opts.RetainLast
+	r.baseCtx = opts.BaseCtx
+	r.RWMutex = &sync.RWMutex{}
+	r.tracer = otel.GetTracer(r.baseCtx, "memoryRecorder")
+}
+
+func (r *MemoryRecorder) Name() string { return NAME }
--- a/pkg/weather/recorder/recorders/memory/set.go
+++ b/pkg/weather/recorder/recorders/memory/set.go
@ -0,0 +1,38 @@
+package memory
+
+import (
+	"context"
+
+	"go.opentelemetry.io/otel/attribute"
+	"go.opentelemetry.io/otel/trace"
+
+	"gitea.libretechconsulting.com/rmcguire/ambient-local-exporter/pkg/weather"
+)
+
+func (r *MemoryRecorder) Set(ctx context.Context, u *weather.WeatherUpdate) error {
+	r.Lock()
+	defer r.Unlock()
+
+	ctx, span := r.tracer.Start(ctx, "memoryRecorder.Set")
+	span.SetAttributes(
+		attribute.Int("countWeatherUpdates", r.Count(ctx)),
+		attribute.Int("keepUpdates", r.keep),
+	)
+	defer span.End()
+
+	return r.set(ctx, u)
+}
+
+func (r *MemoryRecorder) set(ctx context.Context, u *weather.WeatherUpdate) error {
+	span := trace.SpanFromContext(ctx)
+
+	if len(r.updates) > r.keep {
+		r.updates = r.updates[1:]
+		span.AddEvent("trimmed recorded updates by 1")
+	}
+
+	r.updates = append(r.updates, u)
+	span.AddEvent("recorded weather update")
+
+	return nil
+}
--- a/pkg/weather/recorder/recorders/noop/noop.go
+++ b/pkg/weather/recorder/recorders/noop/noop.go
@ -0,0 +1,23 @@
+package noop
+
+import (
+	"context"
+
+	pb "gitea.libretechconsulting.com/rmcguire/ambient-local-exporter/api/v1alpha1/weather"
+	"gitea.libretechconsulting.com/rmcguire/ambient-local-exporter/pkg/weather"
+	"gitea.libretechconsulting.com/rmcguire/ambient-local-exporter/pkg/weather/recorder/recorders"
+)
+
+type NoopRecorder struct{}
+
+func (n *NoopRecorder) Init(context.Context, *recorders.RecorderOpts) {}
+
+func (n *NoopRecorder) Set(context.Context, *weather.WeatherUpdate) error { return nil }
+
+func (n *NoopRecorder) Get(context.Context, *pb.GetWeatherRequest) ([]*weather.WeatherUpdate, error) {
+	return nil, nil
+}
+
+func (n *NoopRecorder) Count(context.Context) int { return 0 }
+
+func (r *NoopRecorder) Name() string { return "no-op recorder" }
--- a/pkg/weather/recorder/recorders/recorders.go
+++ b/pkg/weather/recorder/recorders/recorders.go
@ -0,0 +1,23 @@
+package recorders
+
+import (
+	"context"
+
+	pb "gitea.libretechconsulting.com/rmcguire/ambient-local-exporter/api/v1alpha1/weather"
+	"gitea.libretechconsulting.com/rmcguire/ambient-local-exporter/pkg/ambient/config"
+	"gitea.libretechconsulting.com/rmcguire/ambient-local-exporter/pkg/weather"
+)
+
+type RecorderOpts struct {
+	RetainLast int
+	BaseCtx    context.Context
+	AppConfig  *config.AmbientLocalExporterConfig
+}
+
+type Recorder interface {
+	Init(context.Context, *RecorderOpts)
+	Set(context.Context, *weather.WeatherUpdate) error
+	Get(context.Context, *pb.GetWeatherRequest) ([]*weather.WeatherUpdate, error)
+	Count(context.Context) int // Best Effort
+	Name() string
+}
--- a/pkg/weather/recorder/recorders/redis/count.go
+++ b/pkg/weather/recorder/recorders/redis/count.go
@ -0,0 +1,38 @@
+package redis
+
+import (
+	"context"
+
+	"go.opentelemetry.io/otel/attribute"
+	"go.opentelemetry.io/otel/codes"
+	"go.opentelemetry.io/otel/trace"
+)
+
+func (r *RedisRecorder) Count(ctx context.Context) int {
+	ctx, span := r.tracer.Start(ctx, "redisRecorder.count")
+	defer span.End()
+
+	r.RLock()
+	defer r.RUnlock()
+
+	return r.count(ctx)
+}
+
+func (r *RedisRecorder) count(ctx context.Context) int {
+	ctx, span := r.tracer.Start(ctx, "redisRecorder.count.redis", trace.WithAttributes(
+		attribute.String("updatesKey", r.Key())))
+	defer span.End()
+
+	count, err := r.redis.LLen(ctx, r.Key()).Result()
+	if err != nil {
+		span.RecordError(err)
+		span.SetStatus(codes.Error, err.Error())
+		r.log.Err(err).Send()
+		return int(count)
+	}
+
+	span.SetAttributes(attribute.Int64("updatesCount", count))
+	span.SetStatus(codes.Ok, "")
+
+	return int(count)
+}
--- a/pkg/weather/recorder/recorders/redis/get.go
+++ b/pkg/weather/recorder/recorders/redis/get.go
@ -0,0 +1,98 @@
+package redis
+
+import (
+	"context"
+	"encoding/json"
+	"errors"
+	"slices"
+
+	"go.opentelemetry.io/otel/attribute"
+	"go.opentelemetry.io/otel/codes"
+	"go.opentelemetry.io/otel/trace"
+
+	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"
+)
+
+func (r *RedisRecorder) Get(ctx context.Context, req *pb.GetWeatherRequest) (
+	[]*weather.WeatherUpdate, error,
+) {
+	ctx, span := r.tracer.Start(ctx, "redisRecorder.get", trace.WithAttributes(
+		attribute.Int("limit", util.GetLimitFromReq(req)),
+	))
+	defer span.End()
+
+	return r.get(ctx, req)
+}
+
+func (r *RedisRecorder) get(ctx context.Context, req *pb.GetWeatherRequest) (
+	[]*weather.WeatherUpdate, error,
+) {
+	ctx, span := r.tracer.Start(ctx, "redisRecorder.get.redis")
+	defer span.End()
+
+	limit := util.GetLimitFromReq(req)
+	if limit < 1 {
+		limit = r.keep
+	}
+
+	span.SetAttributes(attribute.Int("limit", limit))
+	r.log.Debug().Int("limit", limit).Msg("getting updates from redis")
+
+	datas, err := r.redis.LRange(ctx, r.Key(), 0, int64(limit)-1).Result()
+	if err != nil {
+		span.RecordError(err)
+		span.SetStatus(codes.Error, err.Error())
+		r.log.Err(err).Send()
+		return nil, err
+	}
+
+	span.AddEvent("redis queried")
+	r.log.Debug().Int("results", len(datas)).Msg("redis queried")
+
+	updates, err := jsonDatasToUpdates(datas)
+	if err != nil {
+		span.RecordError(err)
+		span.SetStatus(codes.Error, err.Error())
+		r.log.Err(err).Send()
+	} else {
+		span.SetStatus(codes.Ok, "")
+	}
+
+	span.AddEvent("results unmarshalled")
+	span.SetAttributes(attribute.Int("results", len(updates)))
+
+	filtered := util.ApplyOptsToUpdates(updates, limit, req.Opts)
+
+	span.AddEvent("results filtered")
+	span.SetAttributes(
+		attribute.Int("filteredResults", len(filtered)),
+		attribute.Int("resultsFiltered", len(updates)-len(filtered)),
+	)
+
+	r.log.Debug().
+		Int("updatesRetrieved", len(updates)).
+		Int("updatesAfterFiltering", len(filtered)).
+		Int("updatesFiltered", len(updates)-len(filtered)).
+		Msg("updates retrieved from redis")
+
+	return filtered, err
+}
+
+func jsonDatasToUpdates(datas []string) ([]*weather.WeatherUpdate, error) {
+	var errs error
+	updates := make([]*weather.WeatherUpdate, 0, len(datas))
+
+	for _, data := range datas {
+		update := new(weather.WeatherUpdate)
+		err := json.Unmarshal([]byte(data), update)
+		errs = errors.Join(errs, err)
+
+		if err == nil {
+			updates = append(updates, update)
+		}
+	}
+
+	return slices.Clip(updates), errs
+}
--- a/pkg/weather/recorder/recorders/redis/redis.go
+++ b/pkg/weather/recorder/recorders/redis/redis.go
@ -0,0 +1,114 @@
+package redis
+
+import (
+	"context"
+	"crypto/tls"
+	"fmt"
+	"sync"
+
+	"gitea.libretechconsulting.com/rmcguire/go-app/pkg/otel"
+	"go.opentelemetry.io/otel/attribute"
+	"go.opentelemetry.io/otel/codes"
+	"go.opentelemetry.io/otel/trace"
+
+	redis "github.com/redis/go-redis/v9"
+	"github.com/rs/zerolog"
+
+	"gitea.libretechconsulting.com/rmcguire/ambient-local-exporter/pkg/ambient/config"
+	"gitea.libretechconsulting.com/rmcguire/ambient-local-exporter/pkg/util"
+	"gitea.libretechconsulting.com/rmcguire/ambient-local-exporter/pkg/weather/recorder/recorders"
+)
+
+const (
+	DEF_RETAIN  = 120
+	UPDATES_KEY = "weatherUpdates"
+	NAME        = "redis recorder"
+)
+
+type RedisRecorder struct {
+	baseCtx context.Context
+	tracer  trace.Tracer
+	redis   *redis.Client
+	config  *config.AmbientLocalExporterConfig
+	log     *zerolog.Logger
+	appKey  string // prefix for redis keys, uses app name, environment, and version
+	keep    int
+	*sync.RWMutex
+}
+
+func (r *RedisRecorder) Init(ctx context.Context, opts *recorders.RecorderOpts) {
+	if opts.AppConfig.RecorderConfig.RedisConfig == nil {
+		panic("refusing to init redis recorder with no redisConfig")
+	}
+
+	if opts.RetainLast < 1 {
+		opts.RetainLast = DEF_RETAIN
+	}
+
+	r.config = opts.AppConfig
+	r.keep = opts.RetainLast
+	r.RWMutex = &sync.RWMutex{}
+	r.baseCtx = opts.BaseCtx
+	r.log = zerolog.Ctx(r.baseCtx)
+
+	r.tracer = otel.GetTracer(r.baseCtx, "redisRecorder")
+	ctx, span := r.tracer.Start(ctx, "redisRecorder.init", trace.WithAttributes(
+		attribute.String("redisHost", opts.AppConfig.RecorderConfig.RedisConfig.RedisHost),
+		attribute.Int("retainLast", opts.RetainLast),
+		attribute.Int("redisPort", opts.AppConfig.RecorderConfig.RedisConfig.RedisPort),
+		attribute.Bool("tls", opts.AppConfig.RecorderConfig.RedisConfig.RedisTLS),
+	))
+	defer span.End()
+
+	// Unique key prefix for this version/env/name of exporter
+	// will be consistent across replicas, but resets on upgrade
+	// as it is using version
+	r.appKey = util.GetAppHash(r.config.AppConfig)
+
+	r.MustInitRedis(ctx)
+}
+
+func (r *RedisRecorder) MustInitRedis(ctx context.Context) {
+	ctx, span := r.tracer.Start(ctx, "redisRecorder.init.redis")
+	defer span.End()
+
+	rc := r.config.RecorderConfig.RedisConfig
+
+	var tlsConfig *tls.Config
+	if rc.RedisTLS {
+		tlsConfig = &tls.Config{
+			ServerName:         rc.RedisHost,
+			InsecureSkipVerify: rc.RedisTLSInsecure,
+		}
+	}
+
+	r.redis = redis.NewClient(&redis.Options{
+		Addr:       fmt.Sprintf("%s:%d", rc.RedisHost, rc.RedisPort),
+		ClientName: fmt.Sprintf("%s-%s", r.config.Name, r.config.Environment),
+		Username:   rc.RedisUser,
+		Password:   rc.RedisPassword,
+		DB:         rc.RedisDB,
+		TLSConfig:  tlsConfig,
+	})
+
+	span.AddEvent("redis client ready")
+
+	resp := r.redis.Ping(ctx)
+	if resp.Err() != nil {
+		span.RecordError(resp.Err())
+		span.SetStatus(codes.Error, resp.Err().Error())
+		r.log.Fatal().Err(resp.Err()).Msg("failed to ping redis")
+	}
+
+	span.AddEvent("redis client ping ok")
+	span.SetStatus(codes.Ok, "")
+
+	r.log.Info().Str("appKey", r.appKey).
+		Msg("redis ping ok, client ready")
+}
+
+func (r *RedisRecorder) Key() string {
+	return fmt.Sprintf("%s:%s", r.appKey, UPDATES_KEY)
+}
+
+func (r *RedisRecorder) Name() string { return NAME }
--- a/pkg/weather/recorder/recorders/redis/set.go
+++ b/pkg/weather/recorder/recorders/redis/set.go
@ -0,0 +1,74 @@
+package redis
+
+import (
+	"context"
+	"encoding/json"
+
+	"github.com/redis/go-redis/v9"
+	"go.opentelemetry.io/otel/attribute"
+	"go.opentelemetry.io/otel/codes"
+	"go.opentelemetry.io/otel/trace"
+
+	"gitea.libretechconsulting.com/rmcguire/ambient-local-exporter/pkg/util"
+	"gitea.libretechconsulting.com/rmcguire/ambient-local-exporter/pkg/weather"
+)
+
+func (r *RedisRecorder) Set(ctx context.Context, u *weather.WeatherUpdate) error {
+	ctx, span := r.tracer.Start(ctx, "redisRecorder.set", trace.WithAttributes(
+		attribute.String("stationName", u.GetStationName()),
+		attribute.String("stationType", util.DerefStr(u.StationType)),
+	))
+	defer span.End()
+
+	r.Lock()
+	defer r.Unlock()
+
+	// First ensure we can prepare our payload
+	data, err := json.Marshal(u)
+	if err != nil {
+		span.RecordError(err)
+		span.SetStatus(codes.Error, err.Error())
+
+		r.log.Err(err).Send()
+		return err
+	}
+
+	return r.set(ctx, data)
+}
+
+func (r *RedisRecorder) set(ctx context.Context, data []byte) error {
+	ctx, span := r.tracer.Start(ctx, "redisRecorder.set.push", trace.WithAttributes(
+		attribute.Int("updateBytes", len(data)),
+	))
+	defer span.End()
+
+	// Atomic, push and trim
+	var count *redis.IntCmd
+	rErr, err := r.redis.TxPipelined(ctx, func(pipe redis.Pipeliner) error {
+		pipe.LPush(ctx, r.Key(), data)
+		pipe.LTrim(ctx, r.Key(), 0, int64(r.keep)-1)
+		count = pipe.LLen(ctx, r.Key())
+		return nil
+	})
+	if err != nil {
+		for _, cmd := range rErr {
+			span.RecordError(cmd.Err())
+		}
+		span.SetStatus(codes.Error, err.Error())
+		r.log.Err(err).Send()
+		return err
+	}
+
+	// Get new update count
+
+	r.log.Debug().
+		Int("updateBytes", len(data)).
+		Int64("updateCount", count.Val()).
+		Str("redis", r.redis.String()).
+		Str("key", r.Key()).
+		Msg("pushed update to redis")
+
+	span.SetAttributes(attribute.Int64("updateCount", count.Val()))
+	span.SetStatus(codes.Ok, "")
+	return nil
+}
--- a/pkg/weather/state/state.go
+++ b/pkg/weather/state/state.go
@ -1,41 +0,0 @@
-package state
-
-import (
-	"context"
-	"sync"
-
-	"go.opentelemetry.io/otel/metric"
-	"go.opentelemetry.io/otel/trace"
-
-	"gitea.libretechconsulting.com/rmcguire/go-app/pkg/otel"
-
-	"gitea.libretechconsulting.com/rmcguire/ambient-local-exporter/pkg/weather"
-)
-
-type WeatherState struct {
-	updates []*weather.WeatherUpdate
-	keep    int
-	ctx     context.Context
-	tracer  trace.Tracer
-	meter   metric.Meter
-	*sync.RWMutex
-}
-
-type Opts struct {
-	Ctx      context.Context
-	KeepLast int
-}
-
-func NewWeatherState(opts *Opts) *WeatherState {
-	if opts.KeepLast < 1 {
-		opts.KeepLast = 1
-	}
-
-	return &WeatherState{
-		updates: make([]*weather.WeatherUpdate, 0),
-		keep:    opts.KeepLast,
-		ctx:     opts.Ctx,
-		tracer:  otel.GetTracer(opts.Ctx, "weatherState"),
-		meter:   otel.GetMeter(opts.Ctx, "weatherState"),
-	}
-}
--- a/pkg/weather/state/state_get.go
+++ b/pkg/weather/state/state_get.go
@ -1,87 +0,0 @@
-package state
-
-import (
-	"context"
-	"errors"
-
-	"go.opentelemetry.io/otel/attribute"
-	"go.opentelemetry.io/otel/codes"
-	"go.opentelemetry.io/otel/trace"
-
-	"gitea.libretechconsulting.com/rmcguire/ambient-local-exporter/pkg/weather"
-)
-
-// Returns last requested number of weather updates
-func (w *WeatherState) Get(ctx context.Context, last int) (
-	[]*weather.WeatherUpdate, error,
-) {
-	if last < 1 {
-		last = 1
-	}
-
-	ctx, span := w.tracer.Start(ctx, "getWeatherState")
-	span.SetAttributes(
-		attribute.Int("last", last),
-		attribute.Int("keep", w.keep),
-		attribute.Int("currentSize", w.Count()),
-	)
-	defer span.End()
-
-	updates, err := w.get(ctx, last)
-	if err != nil {
-		span.RecordError(err)
-		span.SetStatus(codes.Error, err.Error())
-	} else {
-		span.SetStatus(codes.Ok, "")
-	}
-
-	return updates, err
-}
-
-func (w *WeatherState) get(ctx context.Context, last int) (
-	[]*weather.WeatherUpdate, error,
-) {
-	span := trace.SpanFromContext(ctx)
-
-	w.RLock()
-	defer w.Unlock()
-
-	span.AddEvent("acquired lock on state cache")
-
-	updates := w.updates
-
-	if w.count() == 0 {
-		err := errors.New("no state to get")
-		span.RecordError(err)
-		return nil, err
-	} else if w.count() <= last {
-		span.RecordError(errors.New("requested more state than exists"))
-	} else {
-		updates = updates[len(updates)-last:]
-	}
-
-	span.SetAttributes(attribute.Int("retrieved", len(updates)))
-	span.SetStatus(codes.Ok, "")
-
-	return updates, nil
-}
-
-// Returns count of retained weather updates
-func (w *WeatherState) Count() int {
-	_, span := w.tracer.Start(w.ctx, "countWeatherState")
-	defer span.End()
-
-	count := w.count()
-
-	span.SetAttributes(attribute.Int("count", count))
-	span.SetStatus(codes.Ok, "")
-
-	return count
-}
-
-func (w *WeatherState) count() int {
-	w.RLock()
-	defer w.RUnlock()
-
-	return len(w.updates)
-}
--- a/pkg/weather/state/state_set.go
+++ b/pkg/weather/state/state_set.go
@ -1,35 +0,0 @@
-package state
-
-import (
-	"context"
-
-	"go.opentelemetry.io/otel/attribute"
-	"go.opentelemetry.io/otel/trace"
-
-	"gitea.libretechconsulting.com/rmcguire/ambient-local-exporter/pkg/weather"
-)
-
-func (w *WeatherState) Set(ctx context.Context, u *weather.WeatherUpdate) error {
-	_, span := w.tracer.Start(ctx, "setWeatherState")
-	span.SetAttributes(
-		attribute.Int("countWeatherUpdates", w.Count()),
-		attribute.Int("keepUpdates", w.keep),
-	)
-	defer span.End()
-
-	return w.set(span, u)
-}
-
-func (w *WeatherState) set(span trace.Span, u *weather.WeatherUpdate) error {
-	w.Lock()
-	defer w.Unlock()
-
-	if len(w.updates) > w.keep {
-		w.updates = w.updates[1:]
-		span.AddEvent("trimmed state updates by 1")
-	}
-
-	w.updates = append(w.updates, u)
-	span.AddEvent("recorded weather state")
-	return nil
-}
--- a/proto/weather/weather.proto
+++ b/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
Author	SHA1	Message	Date
Ryan McGuire	f079d106a1	add timestamp to proto All checks were successful Build and Publish / check-chart (push) Successful in 25s Details Build and Publish / helm-release (push) Has been skipped Details Build and Publish / release (push) Successful in 3m30s Details	2025-03-23 12:15:18 -04:00
Ryan McGuire	fc2d05e957	update TODO All checks were successful Build and Publish / release (push) Has been skipped Details Build and Publish / check-chart (push) Successful in 11s Details Build and Publish / helm-release (push) Has been skipped Details	2025-03-23 12:06:27 -04:00
Ryan McGuire	59f5bfbba1	bump chart for redis support; All checks were successful Build and Publish / check-chart (push) Successful in 41s Details Build and Publish / helm-release (push) Has been skipped Details Build and Publish / release (push) Successful in 2m56s Details	2025-03-23 11:44:13 -04:00
Ryan McGuire	0adab13221	skip nil sensors data in grpc	2025-03-23 11:43:31 -04:00
Ryan McGuire	3b0748da25	improve redis recorder All checks were successful Build and Publish / check-chart (push) Successful in 44s Details Build and Publish / helm-release (push) Has been skipped Details Build and Publish / release (push) Successful in 3m17s Details	2025-03-23 11:16:54 -04:00
Ryan McGuire	2d683e61b0	update TODO All checks were successful Build and Publish / release (push) Has been skipped Details Build and Publish / check-chart (push) Successful in 9s Details Build and Publish / helm-release (push) Has been skipped Details	2025-03-22 14:39:26 -04:00
Ryan McGuire	82bc3acfc3	bump helm chart All checks were successful Build and Publish / release (push) Has been skipped Details Build and Publish / check-chart (push) Successful in 23s Details Build and Publish / helm-release (push) Successful in 33s Details	2025-03-22 14:30:17 -04:00
Ryan McGuire	6e1ec0b5c1	implement redis and noop recorders All checks were successful Build and Publish / check-chart (push) Successful in 20s Details Build and Publish / helm-release (push) Has been skipped Details Build and Publish / release (push) Successful in 4m12s Details	2025-03-22 14:29:24 -04:00
Ryan McGuire	46a213f314	support json schema All checks were successful Build and Publish / release (push) Has been skipped Details Build and Publish / check-chart (push) Successful in 10s Details Build and Publish / helm-release (push) Has been skipped Details	2025-03-22 14:04:20 -04:00
Ryan McGuire	b483fc22a3	recorder implementations All checks were successful Build and Publish / release (push) Has been skipped Details Build and Publish / check-chart (push) Successful in 11s Details Build and Publish / helm-release (push) Has been skipped Details	2025-03-22 12:05:25 -04:00
Ryan D McGuire	fb6941e6bd	fix recorder npe, implement filters All checks were successful Build and Publish / check-chart (push) Successful in 14s Details Build and Publish / helm-release (push) Has been skipped Details Build and Publish / release (push) Successful in 3m36s Details	2025-03-21 16:26:23 -04:00
Ryan D McGuire	a5abbbec1f	move recorder to interface All checks were successful Build and Publish / check-chart (push) Successful in 36s Details Build and Publish / helm-release (push) Has been skipped Details Build and Publish / release (push) Successful in 3m8s Details	2025-03-21 15:54:28 -04:00
Ryan D McGuire	e9b70fe6e0	update gitea ci All checks were successful Build and Publish / release (push) Has been skipped Details Build and Publish / check-chart (push) Successful in 20s Details Build and Publish / helm-release (push) Has been skipped Details	2025-03-21 13:17:03 -04:00
Ryan D McGuire	ca18eba167	update gitea ci All checks were successful Build and Publish / chart-updated (push) Successful in 40s Details Build and Publish / helm-release (push) Successful in 18s Details Build and Publish / release (push) Successful in 3m4s Details	2025-03-21 13:14:45 -04:00
Ryan D McGuire	c020c4eec8	update gitea ci All checks were successful Build and Publish / release (push) Has been skipped Details Build and Publish / chart-updated (push) Successful in 10s Details Build and Publish / helm-release (push) Successful in 18s Details	2025-03-21 13:12:39 -04:00
Ryan D McGuire	df7c2dff40	update gitea ci All checks were successful Build and Publish / release (push) Has been skipped Details Build and Publish / chart-updated (push) Successful in 10s Details Build and Publish / helm-release (push) Has been skipped Details	2025-03-21 13:09:47 -04:00
Ryan D McGuire	0b27285b86	update gitea ci Some checks failed Build and Publish / release (push) Has been skipped Details Build and Publish / chart-updated (push) Failing after 18s Details Build and Publish / helm-release (push) Has been skipped Details	2025-03-21 13:08:08 -04:00
Ryan D McGuire	1f097b1fd7	fix recorder	2025-03-21 12:52:39 -04:00
Ryan D McGuire	42eea2346b	refactor state to recorder, finish implementing	2025-03-21 09:22:32 -04:00
Ryan D McGuire	a5948cf334	bump helm chart All checks were successful Build and Publish / release (push) Has been skipped Details Build and Publish / helm-release (push) Successful in 17s Details	2025-03-20 17:04:35 -04:00
Ryan D McGuire	deb831a2c5	bump helm chart All checks were successful Build and Publish / release (push) Has been skipped Details Build and Publish / helm-release (push) Has been skipped Details	2025-03-20 16:50:06 -04:00