100 lines
2.6 KiB
Go
100 lines
2.6 KiB
Go
package config
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import (
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"fmt"
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"os"
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"strconv"
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"gopkg.in/yaml.v3"
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)
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func getEnvStr(key, defaultVal string) string {
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if val := os.Getenv(key); val != "" {
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return val
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}
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return defaultVal
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}
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func getEnvInt(key string, defaultVal int) int {
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if val := os.Getenv(key); val != "" {
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if i, err := strconv.Atoi(val); err == nil {
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return i
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}
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}
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return defaultVal
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}
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type ServerConfig struct {
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Port int `yaml:"port"`
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ListenAddr string `yaml:"listen_addr"`
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}
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type DatabaseConfig struct {
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Host string `yaml:"host"`
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Port int `yaml:"port"`
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User string `yaml:"user"`
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Password string `yaml:"password"`
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Name string `yaml:"name"`
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}
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type EncoderConfig struct {
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FFmpegPath string `yaml:"ffmpeg_path"`
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TempDir string `yaml:"temp_dir"`
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}
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type LoggingConfig struct {
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Level string `yaml:"level"`
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}
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type AuthConfig struct {
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Username string `yaml:"username"`
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Password string `yaml:"password"`
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}
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type Config struct {
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Server ServerConfig `yaml:"server"`
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Auth AuthConfig `yaml:"auth"`
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Database DatabaseConfig `yaml:"database"`
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Encoder EncoderConfig `yaml:"encoder"`
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Logging LoggingConfig `yaml:"logging"`
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}
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func LoadConfig(path string) (*Config, error) {
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var cfg Config
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// Try reading from file first (it's okay if it doesn't exist for env-only deployments)
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data, err := os.ReadFile(path)
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if err == nil {
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if err := yaml.Unmarshal(data, &cfg); err != nil {
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return nil, fmt.Errorf("could not parse config file: %w", err)
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}
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}
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// Override with env variables
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cfg.Server.Port = getEnvInt("GOENCODE_PORT", cfg.Server.Port)
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cfg.Server.ListenAddr = getEnvStr("GOENCODE_LISTEN_ADDR", cfg.Server.ListenAddr)
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cfg.Auth.Username = getEnvStr("GOENCODE_AUTH_USER", cfg.Auth.Username)
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cfg.Auth.Password = getEnvStr("GOENCODE_AUTH_PASS", cfg.Auth.Password)
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cfg.Database.Host = getEnvStr("GOENCODE_DB_HOST", cfg.Database.Host)
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cfg.Database.Port = getEnvInt("GOENCODE_DB_PORT", cfg.Database.Port)
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cfg.Database.User = getEnvStr("GOENCODE_DB_USER", cfg.Database.User)
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cfg.Database.Password = getEnvStr("GOENCODE_DB_PASS", cfg.Database.Password)
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cfg.Database.Name = getEnvStr("GOENCODE_DB_NAME", cfg.Database.Name)
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cfg.Encoder.FFmpegPath = getEnvStr("GOENCODE_FFMPEG_PATH", cfg.Encoder.FFmpegPath)
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cfg.Encoder.TempDir = getEnvStr("GOENCODE_TEMP_DIR", cfg.Encoder.TempDir)
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cfg.Logging.Level = getEnvStr("GOENCODE_LOG_LEVEL", cfg.Logging.Level)
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// Defaults if missing entirely
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if cfg.Server.Port == 0 {
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cfg.Server.Port = 8080
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}
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if cfg.Server.ListenAddr == "" {
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cfg.Server.ListenAddr = "0.0.0.0"
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}
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if cfg.Database.Port == 0 {
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cfg.Database.Port = 3306
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}
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return &cfg, nil
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}
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