Thomas Klaehn
62ffd06444
- charger.go: polls go-e /api/status?filter=nrg,eto every 10 s - db.go: WriteCharger() inserts into charger hypertable - config.go: ChargerConf with host field - main.go: polls charger in parallel with inverter and meters - schema.sql: charger table + charger_10m/1h/daily aggregates + policies Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
58 lines
1.6 KiB
Go
58 lines
1.6 KiB
Go
package main
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import (
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"encoding/json"
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"os"
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)
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type Config struct {
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SampleRate int `json:"sample_rate"` // seconds
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AlphaEss AlphaConf `json:"alphaess"`
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MQTT MQTTConf `json:"mqtt"`
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Charger ChargerConf `json:"charger"`
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DB DBConf `json:"db"`
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}
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type ChargerConf struct {
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Host string `json:"host"` // hostname or IP of go-e charger
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}
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type AlphaConf struct {
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Host string `json:"host"`
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Port int `json:"port"`
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SlaveID uint8 `json:"slave_id"`
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}
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type MQTTConf struct {
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Broker string `json:"broker"`
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BrokerIP string `json:"broker_ip"` // optional scoped IPv6 e.g. fe80::1%eth0
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BrokerTLSName string `json:"broker_tls_name"` // TLS ServerName when broker_ip is set
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Port int `json:"port"`
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ClientID string `json:"client_id"`
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TopicPrefix string `json:"topic_prefix"`
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CACert string `json:"ca_cert"`
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ClientCert string `json:"client_cert"`
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ClientKey string `json:"client_key"`
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Devices []DeviceConf `json:"devices"`
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}
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// DeviceConf describes one SDM630 meter reachable via the MQTT/Modbus bridge.
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type DeviceConf struct {
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SlaveAddress int `json:"slave_address"`
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Name string `json:"name"` // used as the 'device' column value in power_meter
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Segment string `json:"segment"` // MQTT topic segment
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}
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type DBConf struct {
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DSN string `json:"dsn"` // PostgreSQL connection string
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}
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func loadConfig(path string) (Config, error) {
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data, err := os.ReadFile(path)
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if err != nil {
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return Config{}, err
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}
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var cfg Config
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return cfg, json.Unmarshal(data, &cfg)
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}
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