80 lines
2.2 KiB
Go
80 lines
2.2 KiB
Go
/*
|
|
Copyright 2017 The Kubernetes Authors.
|
|
|
|
Licensed under the Apache License, Version 2.0 (the "License");
|
|
you may not use this file except in compliance with the License.
|
|
You may obtain a copy of the License at
|
|
|
|
http://www.apache.org/licenses/LICENSE-2.0
|
|
|
|
Unless required by applicable law or agreed to in writing, software
|
|
distributed under the License is distributed on an "AS IS" BASIS,
|
|
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
See the License for the specific language governing permissions and
|
|
limitations under the License.
|
|
*/
|
|
|
|
package mergepatch
|
|
|
|
import (
|
|
"errors"
|
|
"fmt"
|
|
)
|
|
|
|
var (
|
|
ErrBadJSONDoc = errors.New("Invalid JSON document")
|
|
ErrNoListOfLists = errors.New("Lists of lists are not supported")
|
|
ErrBadPatchFormatForPrimitiveList = errors.New("Invalid patch format of primitive list")
|
|
)
|
|
|
|
func ErrNoMergeKey(m map[string]interface{}, k string) error {
|
|
return fmt.Errorf("map: %v does not contain declared merge key: %s", m, k)
|
|
}
|
|
|
|
func ErrBadArgType(expected, actual string) error {
|
|
return fmt.Errorf("expected a %s, but received a %s", expected, actual)
|
|
}
|
|
|
|
func ErrBadPatchType(t interface{}, m map[string]interface{}) error {
|
|
return fmt.Errorf("unknown patch type: %s in map: %v", t, m)
|
|
}
|
|
|
|
// IsPreconditionFailed returns true if the provided error indicates
|
|
// a precondition failed.
|
|
func IsPreconditionFailed(err error) bool {
|
|
_, ok := err.(ErrPreconditionFailed)
|
|
return ok
|
|
}
|
|
|
|
type ErrPreconditionFailed struct {
|
|
message string
|
|
}
|
|
|
|
func NewErrPreconditionFailed(target map[string]interface{}) ErrPreconditionFailed {
|
|
s := fmt.Sprintf("precondition failed for: %v", target)
|
|
return ErrPreconditionFailed{s}
|
|
}
|
|
|
|
func (err ErrPreconditionFailed) Error() string {
|
|
return err.message
|
|
}
|
|
|
|
type ErrConflict struct {
|
|
message string
|
|
}
|
|
|
|
func NewErrConflict(patch, current string) ErrConflict {
|
|
s := fmt.Sprintf("patch:\n%s\nconflicts with changes made from original to current:\n%s\n", patch, current)
|
|
return ErrConflict{s}
|
|
}
|
|
|
|
func (err ErrConflict) Error() string {
|
|
return err.message
|
|
}
|
|
|
|
// IsConflict returns true if the provided error indicates
|
|
// a conflict between the patch and the current configuration.
|
|
func IsConflict(err error) bool {
|
|
_, ok := err.(ErrConflict)
|
|
return ok
|
|
}
|