package config import ( "io" "io/ioutil" "time" "github.com/pkg/errors" "gitlab.com/wpetit/goweb/logger" "github.com/caarlos0/env/v6" "gopkg.in/yaml.v2" ) type Config struct { Debug bool `yaml:"debug" env:"DEBUG"` Log LogConfig `yaml:"log"` HTTP HTTPConfig `yaml:"http"` OIDC OIDCConfig `yaml:"oidc"` Database DatabaseConfig `yaml:"database"` } // NewFromFile retrieves the configuration from the given file func NewFromFile(filepath string) (*Config, error) { config := NewDefault() data, err := ioutil.ReadFile(filepath) if err != nil { return nil, errors.Wrapf(err, "could not read file '%s'", filepath) } if err := yaml.Unmarshal(data, config); err != nil { return nil, errors.Wrapf(err, "could not unmarshal configuration") } return config, nil } type HTTPConfig struct { Address string `yaml:"address" env:"HTTP_ADDRESS"` CookieAuthenticationKey string `yaml:"cookieAuthenticationKey" env:"HTTP_COOKIE_AUTHENTICATION_KEY"` CookieEncryptionKey string `yaml:"cookieEncryptionKey" env:"HTTP_COOKIE_ENCRYPTION_KEY"` CookieMaxAge int `yaml:"cookieMaxAge" env:"HTTP_COOKIE_MAX_AGE"` TemplateDir string `yaml:"templateDir" env:"HTTP_TEMPLATE_DIR"` PublicDir string `yaml:"publicDir" env:"HTTP_PUBLIC_DIR"` FrontendURL string `yaml:"frontendURL" env:"HTTP_FRONTEND_URL"` CORS CORSConfig `yaml:"cors"` } type CORSConfig struct { AllowedOrigins []string `yaml:"allowedOrigins" env:"HTTP_CORS_ALLOWED_ORIGINS"` AllowCredentials bool `yaml:"allowCredentials" env:"HTTP_CORS_ALLOW_CREDENTIALS"` } type OIDCConfig struct { ClientID string `yaml:"clientId" env:"OIDC_CLIENT_ID"` ClientSecret string `yaml:"clientSecret" env:"OIDC_CLIENT_SECRET"` IssuerURL string `yaml:"issuerUrl" env:"OIDC_ISSUER_URL"` RedirectURL string `yaml:"redirectUrl" env:"OIDC_REDIRECT_URL"` PostLogoutRedirectURL string `yaml:"postLogoutRedirectURL" env:"OIDC_POST_LOGOUT_REDIRECT_URL"` } type LogConfig struct { Level logger.Level `yaml:"level" env:"LOG_LEVEL"` Format logger.Format `yaml:"format" env:"LOG_FORMAT"` } type DatabaseConfig struct { DSN string `yaml:"dsn" env:"DATABASE_DSN"` } func NewDumpDefault() *Config { config := NewDefault() return config } func NewDefault() *Config { return &Config{ Debug: false, Log: LogConfig{ Level: logger.LevelInfo, Format: logger.FormatHuman, }, HTTP: HTTPConfig{ Address: ":8081", CookieAuthenticationKey: "", CookieEncryptionKey: "", CookieMaxAge: int((time.Hour * 1).Seconds()), // 1 hour TemplateDir: "template", PublicDir: "public", FrontendURL: "http://localhost:8080", CORS: CORSConfig{ AllowedOrigins: []string{"http://localhost:8080"}, AllowCredentials: true, }, }, OIDC: OIDCConfig{ IssuerURL: "http://localhost:4444/", RedirectURL: "http://localhost:8081/oauth2/callback", PostLogoutRedirectURL: "http://localhost:8081", }, Database: DatabaseConfig{ DSN: "host=localhost database=guesstimate", }, } } func Dump(config *Config, w io.Writer) error { data, err := yaml.Marshal(config) if err != nil { return errors.Wrap(err, "could not dump config") } if _, err := w.Write(data); err != nil { return err } return nil } func WithEnvironment(conf *Config) error { if err := env.Parse(conf); err != nil { return err } return nil }