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124 lines
3.5 KiB
124 lines
3.5 KiB
/*
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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 resmap
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import (
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"fmt"
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"github.com/pkg/errors"
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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/resource"
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"sigs.k8s.io/kustomize/pkg/types"
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)
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// Factory makes instances of ResMap.
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type Factory struct {
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resF *resource.Factory
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}
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// NewFactory returns a new resmap.Factory.
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func NewFactory(rf *resource.Factory) *Factory {
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return &Factory{resF: rf}
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}
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// RF returns a resource.Factory.
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func (rmF *Factory) RF() *resource.Factory {
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return rmF.resF
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}
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// FromFiles returns a ResMap given a resource path slice.
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func (rmF *Factory) FromFiles(
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loader ifc.Loader, paths []string) (ResMap, error) {
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var result []ResMap
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for _, path := range paths {
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content, err := loader.Load(path)
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if err != nil {
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return nil, errors.Wrap(err, "Load from path "+path+" failed")
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}
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res, err := rmF.NewResMapFromBytes(content)
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if err != nil {
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return nil, internal.Handler(err, path)
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}
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result = append(result, res)
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}
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return MergeWithErrorOnIdCollision(result...)
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}
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// newResMapFromBytes decodes a list of objects in byte array format.
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func (rmF *Factory) NewResMapFromBytes(b []byte) (ResMap, error) {
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resources, err := rmF.resF.SliceFromBytes(b)
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if err != nil {
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return nil, err
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}
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result := ResMap{}
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for _, res := range resources {
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id := res.Id()
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if _, found := result[id]; found {
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return result, fmt.Errorf("GroupVersionKindName: %#v already exists b the map", id)
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}
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result[id] = res
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}
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return result, nil
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}
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// NewResMapFromConfigMapArgs returns a Resource slice given
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// a configmap metadata slice from kustomization file.
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func (rmF *Factory) NewResMapFromConfigMapArgs(argList []types.ConfigMapArgs, options *types.GeneratorOptions) (ResMap, error) {
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var resources []*resource.Resource
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for _, args := range argList {
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res, err := rmF.resF.MakeConfigMap(&args, options)
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if err != nil {
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return nil, errors.Wrap(err, "NewResMapFromConfigMapArgs")
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}
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resources = append(resources, res)
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}
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return newResMapFromResourceSlice(resources)
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}
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// NewResMapFromSecretArgs takes a SecretArgs slice, generates
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// secrets from each entry, and accumulates them in a ResMap.
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func (rmF *Factory) NewResMapFromSecretArgs(argsList []types.SecretArgs, options *types.GeneratorOptions) (ResMap, error) {
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var resources []*resource.Resource
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for _, args := range argsList {
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res, err := rmF.resF.MakeSecret(&args, options)
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if err != nil {
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return nil, errors.Wrap(err, "NewResMapFromSecretArgs")
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}
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resources = append(resources, res)
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}
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return newResMapFromResourceSlice(resources)
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}
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// Set sets the loader for the underlying factory
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func (rmF *Factory) Set(ldr ifc.Loader) {
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rmF.resF.Set(ldr)
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}
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func newResMapFromResourceSlice(resources []*resource.Resource) (ResMap, error) {
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result := ResMap{}
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for _, res := range resources {
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id := res.Id()
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if _, found := result[id]; found {
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return nil, fmt.Errorf("duplicated %#v is not allowed", id)
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}
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result[id] = res
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}
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return result, nil
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}
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