b9711abff3
Providers should use this package so the virtual kubelet core controllers can understand the errors produced from the provider code.
66 lines
1.5 KiB
Go
66 lines
1.5 KiB
Go
package errdefs
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import (
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"errors"
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"fmt"
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)
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// InvalidInput is an error interface which denotes whether the opration failed due
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// to a the resource not being found.
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type ErrInvalidInput interface {
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InvalidInput() bool
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error
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}
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type invalidInputError struct {
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error
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}
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func (e *invalidInputError) InvalidInput() bool {
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return true
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}
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func (e *invalidInputError) Cause() error {
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return e.error
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}
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// AsInvalidInput wraps the passed in error to make it of type ErrInvalidInput
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//
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// Callers should make sure the passed in error has exactly the error message
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// it wants as this function does not decorate the message.
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func AsInvalidInput(err error) error {
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if err == nil {
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return nil
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}
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return &invalidInputError{err}
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}
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// InvalidInput makes an ErrInvalidInput from the provided error message
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func InvalidInput(msg string) error {
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return &invalidInputError{errors.New(msg)}
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}
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// InvalidInputf makes an ErrInvalidInput from the provided error format and args
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func InvalidInputf(format string, args ...interface{}) error {
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return &invalidInputError{fmt.Errorf(format, args...)}
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}
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// IsInvalidInput determines if the passed in error is of type ErrInvalidInput
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//
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// This will traverse the causal chain (`Cause() error`), until it finds an error
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// which implements the `InvalidInput` interface.
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func IsInvalidInput(err error) bool {
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if err == nil {
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return false
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}
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if e, ok := err.(ErrInvalidInput); ok {
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return e.InvalidInput()
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}
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if e, ok := err.(causal); ok {
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return IsInvalidInput(e)
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}
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return false
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}
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