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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,97 @@ | ||
| package config_manager | ||
|
|
||
| import ( | ||
| "fmt" | ||
| "os" | ||
| "regexp" | ||
|
|
||
| "github.com/go-playground/validator/v10" | ||
| "github.com/jozefcipa/novus/internal/config" | ||
| "github.com/jozefcipa/novus/internal/diff_manager" | ||
| "github.com/jozefcipa/novus/internal/fs" | ||
| "github.com/jozefcipa/novus/internal/logger" | ||
| "github.com/jozefcipa/novus/internal/novus" | ||
| "github.com/jozefcipa/novus/internal/shared" | ||
| ) | ||
|
|
||
| func LoadConfiguration() (config.NovusConfig, bool) { | ||
| conf, exists := config.LoadFile() | ||
| if !exists { | ||
| return conf, false | ||
| } | ||
|
|
||
| // Validate configuration | ||
| if err := validateConfigSyntax(conf); err != nil { | ||
| logger.Errorf("Configuration file contains errors.\n\n%s", err.(validator.ValidationErrors)) | ||
| os.Exit(1) | ||
| } | ||
|
|
||
| // Validate app name syntax and whether it is unique across apps | ||
| if err := validateConfigAppName(conf.AppName); err != nil { | ||
| logger.Errorf(err.Error()) | ||
| os.Exit(1) | ||
| } | ||
|
|
||
| // Check if the config contains domains that are already registered in another app | ||
| if err := checkForDuplicateDomains(conf); err != nil { | ||
| logger.Errorf(err.Error()) | ||
| if err, ok := err.(*diff_manager.DuplicateDomainError); ok { | ||
| logger.Hintf( | ||
| "Use a different domain name or temporarily stop %[1]s by running \"novus stop %[1]s\"", | ||
| err.OriginalAppWithDomain, | ||
| ) | ||
| } | ||
| os.Exit(1) | ||
| } | ||
|
|
||
| config.SetAppName(conf.AppName) | ||
|
|
||
| return conf, true | ||
| } | ||
|
|
||
| func CreateNewConfiguration(appName string) error { | ||
| if err := validateConfigAppName(appName); err != nil { | ||
| return err | ||
| } | ||
|
|
||
| config.WriteDefaultFile(appName) | ||
| return nil | ||
| } | ||
|
|
||
| func validateConfigSyntax(conf config.NovusConfig) error { | ||
| logger.Debugf("Validating configuration file syntax") | ||
|
|
||
| validate := validator.New(validator.WithRequiredStructEnabled()) | ||
|
|
||
| // Register custom `unique_routes` rule | ||
| shared.RegisterUniqueRoutesValidator(validate) | ||
|
|
||
| return validate.Struct(conf) | ||
| } | ||
|
|
||
| func validateConfigAppName(appName string) error { | ||
| logger.Debugf("Validating configuration file app name [%s]", appName) | ||
|
|
||
| isValid, _ := regexp.MatchString("^[A-Za-z0-9-_]+$", appName) | ||
| if !isValid { | ||
| return fmt.Errorf("Invalid app name. Only alphanumeric characters are allowed.") | ||
| } | ||
|
|
||
| // Check in state file if appName is already being used | ||
| for appNameFromConfig, appConfig := range novus.GetState().Apps { | ||
| if appNameFromConfig == appName && appConfig.Directory != fs.CurrentDir { | ||
| return fmt.Errorf("App \"%s\" is already defined in a different directory (%s)", appName, appConfig.Directory) | ||
| } | ||
| } | ||
|
|
||
| return nil | ||
| } | ||
|
|
||
| func checkForDuplicateDomains(conf config.NovusConfig) error { | ||
| logger.Debugf("Checking for duplicate domains across apps") | ||
|
|
||
| appState, _ := novus.GetAppState(conf.AppName) | ||
| addedRoutes, _ := diff_manager.DetectConfigDiff(conf, *appState) | ||
|
|
||
| return diff_manager.DetectDuplicateDomains(novus.GetState().Apps, addedRoutes) | ||
| } |
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