84 lines
2.1 KiB
Go
84 lines
2.1 KiB
Go
package config
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import (
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"encoding/json"
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"fmt"
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"os"
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"strconv"
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)
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type Config struct {
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Database struct {
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Host string `json:"host"`
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Port string `json:"port"`
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User string `json:"user"`
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Password string `json:"password"`
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DBName string `json:"dbname"`
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SSLMode string `json:"sslmode"`
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} `json:"database"`
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Valkey struct {
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Host string `json:"host"`
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Port string `json:"port"`
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MaxConns int `json:"max_conns"`
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TimeoutMs int `json:"timeout_ms"`
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} `json:"valkey"`
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Temp string `json:"temp"`
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}
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func LoadConfig(file string) (Config, error) {
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var config Config
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configFile, err := os.Open(file)
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if err != nil {
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return config, fmt.Errorf("failed to open config file: %w", err)
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}
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defer configFile.Close()
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jsonParser := json.NewDecoder(configFile)
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if err := jsonParser.Decode(&config); err != nil {
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return config, fmt.Errorf("failed to parse config file: %w", err)
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}
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// Override with environment variables if they are set
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if host := os.Getenv("DB_HOST"); host != "" {
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config.Database.Host = host
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}
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if port := os.Getenv("DB_PORT"); port != "" {
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config.Database.Port = port
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}
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if user := os.Getenv("DB_USER"); user != "" {
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config.Database.User = user
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}
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if password := os.Getenv("DB_PASSWORD"); password != "" {
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config.Database.Password = password
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}
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if dbname := os.Getenv("DB_NAME"); dbname != "" {
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config.Database.DBName = dbname
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}
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if sslmode := os.Getenv("DB_SSLMODE"); sslmode != "" {
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config.Database.SSLMode = sslmode
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}
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if temp := os.Getenv("TEMP"); temp != "" {
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config.Temp = temp
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}
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// Override Valkey settings with environment variables
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if valkeyHost := os.Getenv("VALKEY_HOST"); valkeyHost != "" {
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config.Valkey.Host = valkeyHost
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}
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if valkeyPort := os.Getenv("VALKEY_PORT"); valkeyPort != "" {
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config.Valkey.Port = valkeyPort
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}
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if maxConns := os.Getenv("VALKEY_MAX_CONNS"); maxConns != "" {
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if val, err := strconv.Atoi(maxConns); err == nil {
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config.Valkey.MaxConns = val
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}
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}
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if timeoutMs := os.Getenv("VALKEY_TIMEOUT_MS"); timeoutMs != "" {
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if val, err := strconv.Atoi(timeoutMs); err == nil {
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config.Valkey.TimeoutMs = val
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}
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}
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return config, nil
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}
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