mirror of https://github.com/kubernetes/kops.git
114 lines
2.5 KiB
Go
114 lines
2.5 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 kubemanifest
|
|
|
|
import (
|
|
"fmt"
|
|
"strings"
|
|
|
|
"k8s.io/klog/v2"
|
|
)
|
|
|
|
type visitorBase struct {
|
|
}
|
|
|
|
func (m *visitorBase) VisitString(path []string, v string, mutator func(string)) error {
|
|
klog.V(10).Infof("string value at %s: %s", strings.Join(path, "."), v)
|
|
return nil
|
|
}
|
|
|
|
func (m *visitorBase) VisitBool(path []string, v bool, mutator func(bool)) error {
|
|
klog.V(10).Infof("string value at %s: %v", strings.Join(path, "."), v)
|
|
return nil
|
|
}
|
|
|
|
func (m *visitorBase) VisitFloat64(path []string, v float64, mutator func(float64)) error {
|
|
klog.V(10).Infof("float64 value at %s: %f", strings.Join(path, "."), v)
|
|
return nil
|
|
}
|
|
|
|
type Visitor interface {
|
|
VisitBool(path []string, v bool, mutator func(bool)) error
|
|
VisitString(path []string, v string, mutator func(string)) error
|
|
VisitFloat64(path []string, v float64, mutator func(float64)) error
|
|
}
|
|
|
|
func visit(visitor Visitor, data interface{}, path []string, mutator func(interface{})) error {
|
|
if data == nil {
|
|
return nil
|
|
}
|
|
|
|
switch data := data.(type) {
|
|
case string:
|
|
err := visitor.VisitString(path, data, func(v string) {
|
|
mutator(v)
|
|
})
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
case bool:
|
|
err := visitor.VisitBool(path, data, func(v bool) {
|
|
mutator(v)
|
|
})
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
case float64:
|
|
err := visitor.VisitFloat64(path, data, func(v float64) {
|
|
mutator(v)
|
|
})
|
|
if err != nil {
|
|
return err
|
|
}
|
|
case nil:
|
|
case map[string]interface{}:
|
|
m := data
|
|
for k, v := range m {
|
|
path = append(path, k)
|
|
|
|
err := visit(visitor, v, path, func(v interface{}) {
|
|
m[k] = v
|
|
})
|
|
if err != nil {
|
|
return err
|
|
}
|
|
path = path[:len(path)-1]
|
|
}
|
|
|
|
case []interface{}:
|
|
s := data
|
|
for i, v := range s {
|
|
path = append(path, fmt.Sprintf("[%d]", i))
|
|
|
|
err := visit(visitor, v, path, func(v interface{}) {
|
|
s[i] = v
|
|
})
|
|
if err != nil {
|
|
return err
|
|
}
|
|
path = path[:len(path)-1]
|
|
}
|
|
|
|
default:
|
|
return fmt.Errorf("unhandled type in manifest: %T", data)
|
|
}
|
|
|
|
return nil
|
|
}
|