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errors.go
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errors.go
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// SPDX-License-Identifier: Apache-2.0
// Copyright Authors of Cilium
package ipcache
import (
"fmt"
"github.com/cilium/cilium/pkg/source"
)
// ErrOverwrite represents an overwrite error where functions return the error
// to indicate the new source can't overwrite existing source.
type ErrOverwrite struct {
ExistingSrc source.Source
NewSrc source.Source
}
// NewErrOverwrite returns a new ErrOverwrite.
func NewErrOverwrite(existing, new source.Source) *ErrOverwrite {
return &ErrOverwrite{
ExistingSrc: existing,
NewSrc: new,
}
}
func (e ErrOverwrite) Error() string {
return fmt.Sprintf("unable to overwrite source %q with source %q", e.ExistingSrc, e.NewSrc)
}
func (e *ErrOverwrite) Is(target error) bool {
t, ok := target.(*ErrOverwrite)
if !ok {
return false
}
return (e.ExistingSrc == t.ExistingSrc || t.ExistingSrc == "") &&
(e.NewSrc == t.NewSrc || t.NewSrc == "")
}
// ErrInvalidIP represents an error of an invalid IP.
type ErrInvalidIP struct {
ip string
}
// NewErrInvalidIP returns a new ErrInvalidIP.
func NewErrInvalidIP(ip string) *ErrInvalidIP {
return &ErrInvalidIP{
ip: ip,
}
}
func (e ErrInvalidIP) Error() string {
return fmt.Sprintf("attempt to upsert invalid IP %q into ipcache layer", e.ip)
}
func (e *ErrInvalidIP) Is(target error) bool {
t, ok := target.(*ErrInvalidIP)
if !ok {
return false
}
return e.ip == t.ip
}