kubeshark/cli/errormessage/errormessage.go
2021-08-11 09:56:03 +03:00

37 lines
1.1 KiB
Go

package errormessage
import (
"errors"
"fmt"
"github.com/up9inc/mizu/cli/config"
regexpsyntax "regexp/syntax"
k8serrors "k8s.io/apimachinery/pkg/api/errors"
)
// formatError wraps error with a detailed message that is meant for the user.
// While the errors are meant to be displayed, they are not meant to be exported as classes outsite of CLI.
func FormatError(err error) error {
var errorNew error
if k8serrors.IsForbidden(err) {
errorNew = fmt.Errorf("insufficient permissions: %w. "+
"supply the required permission or control Mizu's access to namespaces by setting %s "+
"in the config file or setting the tapped namespace with --%s %s=<NAMEPSACE>",
err,
config.MizuResourcesNamespaceConfigName,
config.SetCommandName,
config.MizuResourcesNamespaceConfigName)
} else if syntaxError, isSyntaxError := asRegexSyntaxError(err); isSyntaxError {
errorNew = fmt.Errorf("regex %s is invalid: %w", syntaxError.Expr, err)
} else {
errorNew = err
}
return errorNew
}
func asRegexSyntaxError(err error) (*regexpsyntax.Error, bool) {
var syntaxError *regexpsyntax.Error
return syntaxError, errors.As(err, &syntaxError)
}