mirror of
https://github.com/kubernetes-sigs/kustomize.git
synced 2026-05-22 06:47:00 +00:00
96 lines
2.7 KiB
Go
96 lines
2.7 KiB
Go
/*
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Copyright 2018 The Kubernetes Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package resource
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import (
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"log"
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"k8s.io/apimachinery/pkg/runtime"
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"sigs.k8s.io/kustomize/internal/k8sdeps"
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"sigs.k8s.io/kustomize/pkg/ifc"
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internal "sigs.k8s.io/kustomize/pkg/internal/error"
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"sigs.k8s.io/kustomize/pkg/patch"
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)
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// Factory makes instances of Resource.
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type Factory struct {
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kf ifc.KunstructuredFactory
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}
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// NewFactory makes an instance of Factory.
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func NewFactory(kf ifc.KunstructuredFactory) *Factory {
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return &Factory{kf: kf}
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}
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// WithBehavior returns a new instance of Resource.
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// TODO(monopole): This runtime dependence must be refactored away.
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// The logic calling this has to move to k8sdeps.
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func (rf *Factory) WithBehavior(
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obj runtime.Object, b ifc.GenerationBehavior) (*Resource, error) {
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// TODO(monopole): This k8sdeps dependence must be refactored away.
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u, err := k8sdeps.NewKunstructuredFromObject(obj)
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return &Resource{Kunstructured: u, b: b}, err
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}
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// FromMap returns a new instance of Resource.
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func (rf *Factory) FromMap(m map[string]interface{}) *Resource {
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return &Resource{
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Kunstructured: rf.kf.FromMap(m),
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b: ifc.BehaviorUnspecified}
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}
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// FromKunstructured returns a new instance of Resource.
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func (rf *Factory) FromKunstructured(
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u ifc.Kunstructured) *Resource {
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if u == nil {
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log.Fatal("unstruct ifc must not be null")
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}
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return &Resource{Kunstructured: u, b: ifc.BehaviorUnspecified}
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}
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// SliceFromPatches returns a slice of resources given a patch path
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// slice from a kustomization file.
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func (rf *Factory) SliceFromPatches(
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ldr ifc.Loader, paths []patch.StrategicMerge) ([]*Resource, error) {
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var result []*Resource
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for _, path := range paths {
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content, err := ldr.Load(string(path))
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if err != nil {
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return nil, err
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}
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res, err := rf.SliceFromBytes(content)
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if err != nil {
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return nil, internal.Handler(err, string(path))
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}
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result = append(result, res...)
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}
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return result, nil
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}
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// SliceFromBytes unmarshalls bytes into a Resource slice.
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func (rf *Factory) SliceFromBytes(in []byte) ([]*Resource, error) {
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kunStructs, err := rf.kf.SliceFromBytes(in)
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if err != nil {
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return nil, err
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}
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var result []*Resource
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for _, u := range kunStructs {
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result = append(result, rf.FromKunstructured(u))
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}
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return result, nil
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}
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