Nik Afiq
8f7024edfa
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- Implemented SetTemperature in ClimateService for setting an absolute target temperature. - Updated ClimateServiceClient and ClimateServiceServer interfaces to include SetTemperature. - Added corresponding handler and tests for SetTemperature in ClimateGRPC. - Modified ClimateApp to handle SetTemperature requests without clamping. - Updated climate.proto to define SetTemperatureRequest message. - Adjusted Dockerfiles to include alexa-bridge dependencies.
87 lines
2.9 KiB
Go
87 lines
2.9 KiB
Go
package config
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import (
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"errors"
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"fmt"
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"os"
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"path/filepath"
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"time"
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)
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// Config holds runtime configuration for the alexa-bridge process.
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type Config struct {
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HTTPPort string // HTTP_PORT, default "8080"
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AlexaSkillID string // ALEXA_SKILL_ID — verified against the request envelope's application ID (required)
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HAGatewayAddr string // HA_GATEWAY_ADDR, default "ha-gateway.home-services.svc.cluster.local:50051"
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HAGatewayServerName string // HA_GATEWAY_SERVER_NAME, default "ha-gateway.home-services.svc.cluster.local"
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TLSDir string // TLS_DIR, default "/tls" — unlike ai-gateway/discord-bot, mTLS is on by default here since alexa-bridge is internet-facing; set empty to disable for local dev
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EntityRefreshInterval time.Duration // ENTITY_REFRESH_INTERVAL, default 5m
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OTELEndpoint string // OTEL_ENDPOINT, empty disables telemetry
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LogLevel string // LOG_LEVEL, default "info"
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LogFormat string // LOG_FORMAT, default "json"
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}
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// Load reads configuration from environment variables and applies defaults.
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func Load() (*Config, error) {
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skillID := os.Getenv("ALEXA_SKILL_ID")
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if skillID == "" {
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return nil, errors.New("ALEXA_SKILL_ID is required but not set")
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}
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refreshInterval, err := parseDurationEnv("ENTITY_REFRESH_INTERVAL", 5*time.Minute)
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if err != nil {
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return nil, err
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}
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cfg := &Config{
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HTTPPort: getenvDefault("HTTP_PORT", "8080"),
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AlexaSkillID: skillID,
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HAGatewayAddr: getenvDefault("HA_GATEWAY_ADDR", "ha-gateway.home-services.svc.cluster.local:50051"),
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HAGatewayServerName: getenvDefault("HA_GATEWAY_SERVER_NAME", "ha-gateway.home-services.svc.cluster.local"),
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TLSDir: getenvDefault("TLS_DIR", "/tls"),
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EntityRefreshInterval: refreshInterval,
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OTELEndpoint: os.Getenv("OTEL_ENDPOINT"),
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LogLevel: getenvDefault("LOG_LEVEL", "info"),
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LogFormat: getenvDefault("LOG_FORMAT", "json"),
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}
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if cfg.TLSDir != "" {
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if err := validateTLSDir(cfg.TLSDir); err != nil {
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return nil, err
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}
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}
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return cfg, nil
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}
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func getenvDefault(key, fallback string) string {
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if v := os.Getenv(key); v != "" {
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return v
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}
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return fallback
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}
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func parseDurationEnv(key string, fallback time.Duration) (time.Duration, error) {
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if v := os.Getenv(key); v != "" {
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d, err := time.ParseDuration(v)
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if err != nil {
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return 0, fmt.Errorf("parse %s: %w", key, err)
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}
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return d, nil
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}
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return fallback, nil
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}
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func validateTLSDir(dir string) error {
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required := []string{"tls.crt", "tls.key", "ca.crt"}
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for _, name := range required {
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path := filepath.Join(dir, name)
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info, err := os.Stat(path)
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if err != nil {
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return fmt.Errorf("tls dir validation failed for %s: %w", path, err)
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}
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if info.IsDir() {
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return fmt.Errorf("tls dir validation failed for %s: %w", path, errors.New("expected file"))
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}
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}
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return nil
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}
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