Add gokrazy configuration

cmd/fermentord/loop.go

@@ -44,7 +44,7 @@ func mainLoop(ctx context.Context, wg *sync.WaitGroup, js nats.JetStream) {
 	chn.Subscribe(chConfigChange)
 	chn.Subscribe(temperature.ConfigUpdate)
 	chn.Subscribe(ctrl.ConfigUpdates)
-	//chn.Subscribe(display.ConfiguUpdate)
+	//chn.Subscribe(display.ConfigUpdate)
 	chn.Notify(configuration.Global())
 	viper.OnConfigChange(chn.OnConfigChange)
 	viper.WatchConfig()

internal/configuration/config.go

@@ -1,6 +1,10 @@
+//go:build !gokrazy
+
 package configuration
 
 import (
+	"bytes"
+	_ "embed"
 	"log"
 	"sync"
 
@@ -11,25 +15,24 @@ import (
 var (
 	globalConfig Configuration
 	globalLock   *sync.Mutex
+
+	//go:embed fermentord.toml
+	globalData []byte
 )
 
 func init() {
 	globalLock = &sync.Mutex{}
 }
 
-func Global() (c Configuration) {
+func Global() Configuration {
 	globalLock.Lock()
-	c = globalConfig
-	globalLock.Unlock()
-	return
+	defer globalLock.Unlock()
+
+	return globalConfig
 }
 
 func Initialize() {
 	setDefaults()
-
-	viper.AddConfigPath("/etc")
-	viper.AddConfigPath("/usr/local/etc")
-	viper.AddConfigPath(".")
 	viper.SetConfigName("fermentord")
 	viper.SetConfigType("toml")
 }
@@ -38,17 +41,22 @@ func LoadConfiguration() Configuration {
 	globalLock.Lock()
 	defer globalLock.Unlock()
 
-	if err := viper.ReadInConfig(); err != nil {
+	buf := bytes.NewBuffer(globalData)
+	if err := viper.ReadConfig(buf); err != nil {
+		panic(err)
+	}
+
+	if err := viper.MergeInConfig(); err != nil {
 		log.Printf("Error loading configuration: %v", err)
 	}
 
-	config := &Configuration{}
-	if err := viper.Unmarshal(config); err != nil {
+	config := Configuration{}
+	if err := viper.Unmarshal(&config); err != nil {
 		sentry.CaptureException(err)
 		log.Fatal(err)
 	}
 
-	globalConfig = *config
+	globalConfig = config
 
 	return globalConfig
 }

internal/configuration/fermentord.go

@@ -1,9 +1,5 @@
 package configuration
 
-import (
-	"github.com/spf13/viper"
-)
-
 type Configuration struct {
 	Brew struct {
 		UUID string `mapstructure:"uuid"`
@@ -54,25 +50,3 @@ type Configuration struct {
 		Kd float64 `mapstructure:"kd"` // 2.0
 	} `mapstructure:"pid"`
 }
-
-func setDefaults() {
-	viper.SetDefault("cooler_enabled", true)
-	viper.SetDefault("heater_enabled", true)
-	viper.SetDefault("http.port", 8000)
-	viper.SetDefault("nats.stream", "DWJONDAHL")
-	viper.SetDefault("nats.subject.event", "DWJONDAHL.ingest.fermentor.ingest_event")
-	viper.SetDefault("nats.subject.state", "DWJONDAHL.ingest.fermentor.ingest_state")
-	viper.SetDefault("nats.subject.temp", "DWJONDAHL.ingest.fermentor.ingest_temperature_reading")
-	viper.SetDefault("nats.subject.tilt", "DWJONDAHL.ingest.fermentor.ingest_tilt_reading")
-	viper.SetDefault("nats.url", "nats.service.consul")
-	viper.SetDefault("pid.kd", 2.0)
-	viper.SetDefault("pid.ki", 0.0001)
-	viper.SetDefault("pid.kp", 2.0)
-	viper.SetDefault("limits.heater_grace_time_secs", 1800)
-	viper.SetDefault("limits.max_chamber_temp", 40)
-	viper.SetDefault("limits.max_cooler_runtime_secs", 86400)
-	viper.SetDefault("limits.min_chamber_temp", 5)
-	viper.SetDefault("limits.min_cooler_cooldown_secs", 300)
-	viper.SetDefault("limits.min_cooler_runtime_secs", 300)
-	viper.SetDefault("sensors.weight", 0.8)
-}

internal/configuration/fermentord.toml

@@ -0,0 +1,40 @@
+heater_enabled = true
+cooler_enabled = true
+fermentation_temp = 20.5
+delta_temperature_cool = 1.0
+delta_temperature_heat = 0.1
+
+[brew]
+uuid = "00000000-0000-0000-0000-000000000000"
+
+[nats]
+url = "nats://nats.service.consul:4222"
+stream = "DWJONDAHL"
+
+[nats.subject]
+event = "DWJONDAHL.ingest.fermentor.ingest_event"
+state = "DWJONDAHL.ingest.fermentor.ingest_state"
+temp = "DWJONDAHL.ingest.fermentor.ingest_temperature_reading"
+tilt = "DWJONDAHL.ingest.fermentor.ingest_tilt_reading"
+
+[http]
+port = 8000
+
+[sensors]
+wort = ""
+chamber = ""
+ambient = ""
+weight = 0.8
+
+[limits]
+min_chamber_temp = 0.0
+max_chamber_temp = 25
+min_cooler_runtime_secs = 180
+max_cooler_runtime_secs = 86400
+min_cooler_cooldown_secs = 300
+heater_grace_time_secs = 1800
+
+[pid]
+kp = 2.0
+ki = 0.0001
+kd = 2.0

internal/configuration/init_default.go

@@ -0,0 +1,11 @@
+//go:build !gokrazy
+
+package configuration
+
+import "github.com/spf13/viper"
+
+func setDefaults() {
+	viper.AddConfigPath("/etc")
+	viper.AddConfigPath("/usr/local/etc")
+	viper.AddConfigPath(".")
+}

internal/configuration/init_gokrazy.go

@@ -0,0 +1,9 @@
+//go:build gokrazy
+
+package configuration
+
+import "github.com/spf13/viper"
+
+func setDefaults() {
+	viper.AddConfigPath("/perm")
+}