Add brew UUID to DWIngest

cmd/fermentord/main.go

@@ -32,6 +32,10 @@ func main() {
 	configuration.Initialize()
 	config := configuration.LoadConfiguration()
 
+	if config.Brew.UUID.IsNil() {
+		log.Fatal("Brew ID is not configured -- terminating")
+	}
+
 	// NATS
 	servers := strings.Join(config.NATS.Servers, ",")
 	userInfo := nats.UserInfo(config.NATS.Username, config.NATS.Password)

internal/configuration/global.go

@@ -1,8 +1,15 @@
 package configuration
 
-import "github.com/spf13/viper"
+import (
+	"github.com/gofrs/uuid"
+	"github.com/spf13/viper"
+)
 
 type Configuration struct {
+	Brew struct {
+		UUID uuid.UUID `mapstructure:"uuid"`
+	} `mapstructure:"brew"`
+
 	NATS struct {
 		Servers  []string `mapstructure:"servers"`
 		Username string   `mapstructure:"username"`

internal/dwingest/nats.go

@@ -135,6 +135,7 @@ func (p *DWIngest) publish(subject string, reading any) error {
 func (p *DWIngest) publishTilt(t tilt.Tilt) error {
 	ev := Tilt{
 		Time:        time.Now().UTC(),
+		BrewUUID:    p.config.Brew.UUID,
 		Color:       string(t.Color()),
 		Gravity:     t.Gravity(),
 		Temperature: t.Celsius(),
@@ -144,12 +145,15 @@ func (p *DWIngest) publishTilt(t tilt.Tilt) error {
 }
 
 func (p *DWIngest) publishTemperatureReading(reading temperature.TemperatureReading) error {
+	reading.BrewUUID = p.config.Brew.UUID
+
 	return p.publish(p.config.NATS.Subject.Temp, reading)
 }
 
 func (p *DWIngest) publishState(state controllers.ChamberState) error {
 	st := State{
 		Time:     time.Now().UTC(),
+		BrewUUID: p.config.Brew.UUID,
 		State:    controllers.ChamberStateMap[state],
 	}
 
@@ -159,6 +163,7 @@ func (p *DWIngest) publishState(state controllers.ChamberState) error {
 func (p *DWIngest) publishEvent(event string) error {
 	ev := Event{
 		Time:     time.Now().UTC(),
+		BrewUUID: p.config.Brew.UUID,
 		Event:    event,
 	}
 

internal/dwingest/types.go

@@ -1,14 +1,20 @@
 package dwingest
 
-import "time"
+import (
+	"time"
+
+	"github.com/gofrs/uuid"
+)
 
 type State struct {
 	Time     time.Time `json:"time"`
+	BrewUUID uuid.UUID `json:"brew_uuid"`
 	State    string    `json:"state"`
 }
 
 type Tilt struct {
 	Time        time.Time `json:"time"`
+	BrewUUID    uuid.UUID `json:"brew_uuid"`
 	Color       string    `json:"color"`
 	Gravity     float64   `json:"gravity"`
 	Temperature float64   `json:"temperature"`
@@ -16,5 +22,6 @@ type Tilt struct {
 
 type Event struct {
 	Time     time.Time `json:"time"`
+	BrewUUID uuid.UUID `json:"brew_uuid"`
 	Event    string    `json:"event"`
 }

pkg/temperature/temperature.go

@@ -1,9 +1,14 @@
 package temperature
 
-import "time"
+import (
+	"time"
+
+	"github.com/gofrs/uuid"
+)
 
 type TemperatureReading struct {
 	Time     time.Time `json:"time"`
+	BrewUUID uuid.UUID `json:"brew_uuid"`
 	Ambient  float64   `json:"ambient"`
 	Chamber  float64   `json:"chamber"`
 	Wort     float64   `json:"wort"`