mirror of
https://github.com/ceph/ceph-csi.git
synced 2024-11-30 18:20:19 +00:00
87 lines
2.3 KiB
Go
87 lines
2.3 KiB
Go
/*
|
|
Copyright 2018 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 transformers
|
|
|
|
import (
|
|
"errors"
|
|
"fmt"
|
|
|
|
"sigs.k8s.io/kustomize/pkg/resmap"
|
|
"sigs.k8s.io/kustomize/pkg/transformers/config"
|
|
)
|
|
|
|
// mapTransformer applies a string->string map to fieldSpecs.
|
|
type mapTransformer struct {
|
|
m map[string]string
|
|
fieldSpecs []config.FieldSpec
|
|
}
|
|
|
|
var _ Transformer = &mapTransformer{}
|
|
|
|
// NewLabelsMapTransformer constructs a mapTransformer.
|
|
func NewLabelsMapTransformer(
|
|
m map[string]string, fs []config.FieldSpec) (Transformer, error) {
|
|
return NewMapTransformer(fs, m)
|
|
}
|
|
|
|
// NewAnnotationsMapTransformer construct a mapTransformer.
|
|
func NewAnnotationsMapTransformer(
|
|
m map[string]string, fs []config.FieldSpec) (Transformer, error) {
|
|
return NewMapTransformer(fs, m)
|
|
}
|
|
|
|
// NewMapTransformer construct a mapTransformer.
|
|
func NewMapTransformer(
|
|
pc []config.FieldSpec, m map[string]string) (Transformer, error) {
|
|
if m == nil {
|
|
return NewNoOpTransformer(), nil
|
|
}
|
|
if pc == nil {
|
|
return nil, errors.New("fieldSpecs is not expected to be nil")
|
|
}
|
|
return &mapTransformer{fieldSpecs: pc, m: m}, nil
|
|
}
|
|
|
|
// Transform apply each <key, value> pair in the mapTransformer to the
|
|
// fields specified in mapTransformer.
|
|
func (o *mapTransformer) Transform(m resmap.ResMap) error {
|
|
for id := range m {
|
|
objMap := m[id].Map()
|
|
for _, path := range o.fieldSpecs {
|
|
if !id.Gvk().IsSelected(&path.Gvk) {
|
|
continue
|
|
}
|
|
err := mutateField(objMap, path.PathSlice(), path.CreateIfNotPresent, o.addMap)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
}
|
|
}
|
|
return nil
|
|
}
|
|
|
|
func (o *mapTransformer) addMap(in interface{}) (interface{}, error) {
|
|
m, ok := in.(map[string]interface{})
|
|
if !ok {
|
|
return nil, fmt.Errorf("%#v is expected to be %T", in, m)
|
|
}
|
|
for k, v := range o.m {
|
|
m[k] = v
|
|
}
|
|
return m, nil
|
|
}
|