siujamo
e070a3fb5f
OTA update server designed for high-concurrency, low-bandwidth deployments. GORM-backed PostgreSQL, JWT auth, device management, artefact versioning, deployment rollout with gated rate-limited downloads, and a React admin panel.
55 lines
1.3 KiB
Go
55 lines
1.3 KiB
Go
package config
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import (
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"log"
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"os"
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"strconv"
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"github.com/joho/godotenv"
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)
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type Config struct {
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ServerPort string
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JWTSecret string
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JWTExpiryHrs int
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DatabaseURL string
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ArtefactDir string
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MaxConcurrent int
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BandwidthBPS int
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RateLimitRPS int
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}
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func Load() *Config {
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// Load .env file if present (silently ignore if not found)
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if err := godotenv.Load(); err != nil {
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log.Println("[config] No .env file found, using system environment variables")
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}
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return &Config{
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ServerPort: envOrDefault("SERVER_PORT", "8080"),
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JWTSecret: envOrDefault("JWT_SECRET", "change-me-in-production"),
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JWTExpiryHrs: envOrDefaultInt("JWT_EXPIRY_HRS", 24),
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DatabaseURL: envOrDefault("DATABASE_URL", "postgres://postgres:postgres@localhost:5432/manifest?sslmode=disable"),
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ArtefactDir: envOrDefault("ARTEFACT_DIR", "/var/ota/artefacts"),
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MaxConcurrent: envOrDefaultInt("MAX_CONCURRENT_DOWNLOADS", 50),
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BandwidthBPS: envOrDefaultInt("BANDWIDTH_BPS", 10*1024*1024/50),
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RateLimitRPS: envOrDefaultInt("RATE_LIMIT_RPS", 100),
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}
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}
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func envOrDefault(key, def 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 def
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}
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func envOrDefaultInt(key string, def int) int {
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if v := os.Getenv(key); v != "" {
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if n, err := strconv.Atoi(v); err == nil {
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return n
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}
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}
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return def
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}
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