Remove text DB

cmd/fermentord/db.go

@@ -1,93 +0,0 @@
-package main
-
-import (
-	"context"
-	"fmt"
-	"log"
-	"os"
-	"sync"
-	"time"
-
-	"git.joco.dk/sng/fermentord/internal/configuration"
-	"git.joco.dk/sng/fermentord/internal/controllers"
-	"git.joco.dk/sng/fermentord/pkg/temperature"
-	"github.com/getsentry/sentry-go"
-)
-
-var (
-	f *os.File
-)
-
-func persistData(ctx context.Context, wg *sync.WaitGroup, chState <-chan controllers.ChamberState, chTemp <-chan temperature.TemperatureReading, config *configuration.ControllerConfig) {
-	var err error
-
-	hub := sentry.CurrentHub().Clone()
-	defer hub.Flush(10 * time.Second)
-	defer wg.Done()
-
-	f, err = os.OpenFile(config.DataPath, os.O_WRONLY|os.O_CREATE|os.O_APPEND, 0640)
-	if err != nil {
-		hub.CaptureException(err)
-		log.Fatal(err)
-	}
-	defer f.Close()
-
-	for {
-		select {
-		case state, ok := <-chState:
-			if !ok {
-				break
-			}
-
-			err := datlog("%v STATE %v", time.Now().Unix(), controllers.ChamberStateMap[state])
-			if err != nil {
-				hub.CaptureException(err)
-				log.Printf("Error persisting state change: %v", err)
-			}
-
-			err = f.Sync()
-			if err != nil {
-				hub.CaptureException(err)
-				log.Printf("Error flushing data file: %v", err)
-			}
-
-		case t, ok := <-chTemp:
-			if !ok {
-				break
-			}
-
-			err := datlog("%v TEMP %v %v", t.Time.Unix(), t.Sensor, t.Degrees)
-			if err != nil {
-				hub.CaptureException(err)
-				log.Printf("Error persisting temperature reading: %v", err)
-			}
-
-			err = f.Sync()
-			if err != nil {
-				hub.CaptureException(err)
-				log.Printf("Error flushing data file: %v", err)
-			}
-
-		case <-ctx.Done():
-			if err := datlog("%v STATE OFF", time.Now().Unix()); err != nil {
-				hub.CaptureException(err)
-				log.Printf("Error persisting state change: %v", err)
-			}
-			return
-		}
-	}
-}
-
-func datlog(format string, data ...interface{}) error {
-	_, err := fmt.Fprintf(f, format, data...)
-	if err != nil {
-		return err
-	}
-
-	_, err = fmt.Fprintln(f)
-	if err != nil {
-		return err
-	}
-
-	return nil
-}

cmd/fermentord/main.go

@@ -47,13 +47,7 @@ func mainLoop(ctx context.Context, wg *sync.WaitGroup, js nats.JetStream, config
 	}
 	defer gpio.Close()
 
-	chDbTemp := make(chan temperature.TemperatureReading, 10)
+	wg.Add(2)
-	chDbState := make(chan controllers.ChamberState, 10)
-	defer close(chDbTemp)
-	defer close(chDbState)
-
-	wg.Add(3)
-	go persistData(ctx, wg, chDbState, chDbTemp, config)
 	go ctrl.Run(ctx, wg)
 	go temperature.PollSensors(ctx, wg, 1*time.Second, config.Sensors.Weight)
 
@@ -61,7 +55,6 @@ func mainLoop(ctx context.Context, wg *sync.WaitGroup, js nats.JetStream, config
 		select {
 		case reading := <-temperature.C:
 			chCtrlTemp <- reading
-			chDbTemp <- reading
 
 			b, err := json.Marshal(reading)
 			if err != nil {
@@ -98,8 +91,6 @@ func mainLoop(ctx context.Context, wg *sync.WaitGroup, js nats.JetStream, config
 				gpio.StartHeater()
 			}
 
-			chDbState <- state
-
 			// Publish to NATS
 			_, err = js.Publish(config.NATS.Subject.State, []byte(controllers.ChamberStateMap[state]))
 			if err != nil {

internal/configuration/config.go

@@ -22,8 +22,6 @@ type ControllerConfig struct {
 		Port int16 `mapstructure:"port"`
 	} `mapstructure:"http"`
 
-	DataPath string `mapstructure:"data_path"`
-
 	Sensors struct {
 		Wort    string  `mapstructure:"wort"`
 		Chamber string  `mapstructure:"chamber"`
@@ -56,7 +54,6 @@ func LoadConfiguration() *ControllerConfig {
 	defer hub.Flush(10 * time.Second)
 
 	viper.SetDefault("http.port", 8000)
-	viper.SetDefault("main.data_path", "./data.txt")
 	viper.SetDefault("nats.stream", "FERMENTOR")
 	viper.SetDefault("nats.subject.state", "FERMENTOR.state")
 	viper.SetDefault("nats.subject.temp", "FERMENTOR.temp")