60 lines
1.3 KiB
Go
60 lines
1.3 KiB
Go
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package config
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import (
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"flag"
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"log"
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"os"
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"time"
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"github.com/ilyakaznacheev/cleanenv"
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)
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type Config struct {
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Env string `yaml:"env" env-required:"true"`
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StoragePath string `yaml:"storage_path" env-default:"./storage/storage.db"`
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HTTPServer `yaml:"http_server"`
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Admin `yaml:"admin"`
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}
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type Admin struct {
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User string `yaml:"username" env-required:"true"`
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Password string `yaml:"password" env:"HTTP_SERVER_PASSWORD" env-required:"true"`
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}
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type HTTPServer struct {
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Address string `yaml:"address" env-default:"localhost:8080"`
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Timeout time.Duration `yaml:"timeout" env-default:"4s"`
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IdleTimeout time.Duration `yaml:"idle_timeout" env-default:"60s"`
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}
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func MustLoad() *Config {
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// Get config path from env or flag
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configPath := fetchConfigPath()
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if configPath == "" {
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log.Fatal("CONFIG_PATH is not set")
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}
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// check if file exists
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if _, err := os.Stat(configPath); os.IsNotExist(err) {
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log.Fatalf("config file does not exist: %s", configPath)
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}
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var cfg Config
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// read config
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if err := cleanenv.ReadConfig(configPath, &cfg); err != nil {
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log.Fatalf("cannot read config: %s", err)
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}
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return &cfg
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}
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func fetchConfigPath() string {
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var res string = os.Getenv("CONFIG_PATH")
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if res == "" {
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flag.StringVar(&res, "config", "", "path to config file")
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flag.Parse()
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}
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return res
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}
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