95 lines
3.1 KiB
Go
95 lines
3.1 KiB
Go
package configuration
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import (
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"log"
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"time"
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"github.com/getsentry/sentry-go"
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"github.com/spf13/viper"
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)
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type Configuration struct {
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NATS struct {
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URL string `mapstructure:"url"`
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Stream string `mapstructure:"stream"`
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Subject struct {
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Event string `mapstructure:"event"`
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State string `mapstructure:"state"`
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Temp string `mapstructure:"temp"`
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Tilt string `mapstructure:"tilt"`
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} `mapstructure:"subject"`
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} `mapstructure:"nats"`
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HTTP struct {
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Port int16 `mapstructure:"port"`
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} `mapstructure:"http"`
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Sensors struct {
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Wort string `mapstructure:"wort"`
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Chamber string `mapstructure:"chamber"`
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Ambient string `mapstructure:"ambient"`
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Weight float64 `mapstructure:"weight"`
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} `mapstructure:"sensors"`
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FermentationTemperature float64 `mapstructure:"fermentation_temp"`
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DeltaTemperatureCool float64 `mapstructure:"delta_temp_cool"`
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DeltaTemperatureHeat float64 `mapstructure:"delta_temp_heat"`
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HeaterDutyCycle time.Duration `mapstructure:"heater_duty_cycle"`
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Limits struct {
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MinChamberTemperature float64 `mapstructure:"min_chamber_temp"`
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MaxChamberTemperature float64 `mapstructure:"max_chamber_temp"`
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MinCoolerRuntimeSecs float64 `mapstructure:"min_cooler_runtime_secs"`
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MaxCoolerRuntimeSecs float64 `mapstructure:"max_cooler_runtime_secs"`
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MinCoolerCooldownSecs float64 `mapstructure:"min_cooler_cooldown_secs"`
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HeaterGraceTimeSecs float64 `mapstructure:"heater_grace_time_secs"`
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} `mapstructure:"limits"`
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PID struct {
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Kp float64 `mapstructure:"kp"` // 2.0
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Ki float64 `mapstructure:"ki"` // 0.0001
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Kd float64 `mapstructure:"kd"` // 2.0
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} `mapstructure:"pid"`
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}
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func LoadConfiguration() *Configuration {
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hub := sentry.CurrentHub().Clone()
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defer hub.Flush(10 * time.Second)
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viper.SetDefault("heater_duty_cycle", 1*time.Second)
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viper.SetDefault("http.port", 8000)
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viper.SetDefault("nats.stream", "DWJONDAHL")
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viper.SetDefault("nats.subject.event", "DWJONDAHL.ingest.fermentor.ingest_event")
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viper.SetDefault("nats.subject.state", "DWJONDAHL.ingest.fermentor.ingest_state")
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viper.SetDefault("nats.subject.temp", "DWJONDAHL.ingest.fermentor.ingest_temperature_reading")
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viper.SetDefault("nats.subject.tilt", "DWJONDAHL.ingest.fermentor.ingest_tilt_reading")
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viper.SetDefault("nats.url", "nats.service.consul")
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viper.SetDefault("pid.kd", 2.0)
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viper.SetDefault("pid.ki", 0.0001)
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viper.SetDefault("pid.kp", 2.0)
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viper.SetDefault("limits.heater_grace_time_secs", 1800)
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viper.SetDefault("limits.max_chamber_temp", 40)
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viper.SetDefault("limits.max_cooler_runtime_secs", 86400)
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viper.SetDefault("limits.min_chamber_temp", 5)
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viper.SetDefault("limits.min_cooler_cooldown_secs", 300)
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viper.SetDefault("limits.min_cooler_runtime_secs", 300)
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viper.SetDefault("sensors.weight", 0.8)
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viper.AddConfigPath("/etc")
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viper.AddConfigPath("/usr/local/etc")
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viper.AddConfigPath(".")
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viper.SetConfigName("fermentord")
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viper.SetConfigType("toml")
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if err := viper.ReadInConfig(); err != nil {
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log.Printf("Error loading configuration: %v", err)
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}
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config := &Configuration{}
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if err := viper.Unmarshal(config); err != nil {
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hub.CaptureException(err)
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log.Fatal(err)
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}
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return config
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}
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