recorder implementations

pkg/ambient/ambient.go

@@ -21,6 +21,10 @@ import (
 	"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
@@ -70,10 +74,22 @@ func (aw *AmbientWeather) Init() *AmbientWeather {
 	}
 	span.SetAttributes(attribute.Int("updatesToKeep", updatesToKeep))
 
-	// TODO: Support other recorders (don't rely on default)
-	aw.weatherRecorder = recorder.NewWeatherRecorder(&recorder.Opts{
+	// Choose weather recorder for grpc / api requests,
+	// default is memory recorder
+	var r recorders.Recorder
+	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{
 		Ctx:      aw.appCtx,
 		KeepLast: updatesToKeep,
+		Recorder: r,
 	})
 
 	aw.l.Trace().Any("awConfig", aw.Config).Send()

pkg/ambient/config/config.go

@@ -8,7 +8,8 @@ import (
 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
+	WeatherStations   []WeatherStation `yaml:"weatherStations"` // No env, too complex, not worth the time
+	RecorderConfig    *RecorderConfig  `yaml:"recorderConfig"`
 	*config.AppConfig                  // Extends app config
 }
 

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"` // memory|redis
+	KeepLast    int          `yaml:"keepLast" env:"RECORDER_KEEP_LAST"`
+	RedisConfig *RedisConfig
+}
+
+type RedisConfig struct {
+	RedisHost        string `yaml:"redisHost" env:"REDIS_HOST" default:"127.0.0.1"`
+	RedisPort        int    `yaml:"redisPort" env:"REDIS_PORT" default:"6379"`
+	RedisUser        string `yaml:"redisUser" env:"REDIS_USER"`
+	RedisPassword    string `yaml:"redisPassword" env:"REDIS_PASSWORD"`
+	RedisDB          int    `yaml:"redisDB" env:"REDIS_DB" default:"0"`
+	RedisTLS         bool   `yaml:"redisTLS" env:"REDIS_TLS" default:"false"`
+	RedisTLSInsecure bool   `yaml:"redisTLSInsecure" env:"REDIS_TLS_INSECURE" default:"false"`
+}