Files
kustomize/pkg/app/var.go

55 lines
1.5 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 app
import (
"fmt"
"github.com/kubernetes-sigs/kustomize/pkg/resource"
"github.com/kubernetes-sigs/kustomize/pkg/types"
)
func gvkn(rv types.Var) resource.ResId {
return resource.NewResId(rv.ObjRef.GroupVersionKind(), rv.ObjRef.Name)
}
func getFieldAsString(m map[string]interface{}, pathToField []string) (string, error) {
if len(pathToField) == 0 {
return "", fmt.Errorf("Field not found")
}
if len(pathToField) == 1 {
if v, found := m[pathToField[0]]; found {
if s, ok := v.(string); ok {
return s, nil
}
return "", fmt.Errorf("value at fieldpath is not of string type")
}
return "", fmt.Errorf("field at given fieldpath does not exist")
}
curr, rest := pathToField[0], pathToField[1]
v := m[curr]
switch typedV := v.(type) {
case map[string]interface{}:
return getFieldAsString(typedV, []string{rest})
default:
return "", fmt.Errorf("%#v is not expected to be a primitive type", typedV)
}
}