mirror of
https://github.com/kubernetes-sigs/kustomize.git
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129 lines
3.3 KiB
Go
129 lines
3.3 KiB
Go
// Copyright 2019 The Kubernetes Authors.
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// SPDX-License-Identifier: Apache-2.0
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package resmap
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import (
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"github.com/pkg/errors"
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"sigs.k8s.io/kustomize/api/ifc"
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"sigs.k8s.io/kustomize/api/internal/kusterr"
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"sigs.k8s.io/kustomize/api/resource"
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"sigs.k8s.io/kustomize/api/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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tf PatchFactory
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}
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// NewFactory returns a new resmap.Factory.
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func NewFactory(rf *resource.Factory, tf PatchFactory) *Factory {
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return &Factory{resF: rf, tf: tf}
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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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func New() ResMap {
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return newOne()
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}
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// FromResource returns a ResMap with one entry.
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func (rmF *Factory) FromResource(res *resource.Resource) ResMap {
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m, err := newResMapFromResourceSlice([]*resource.Resource{res})
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if err != nil {
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panic(err)
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}
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return m
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}
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// FromFile returns a ResMap given a resource path.
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func (rmF *Factory) FromFile(
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loader ifc.Loader, path string) (ResMap, error) {
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content, err := loader.Load(path)
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if err != nil {
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return nil, err
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}
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m, err := rmF.NewResMapFromBytes(content)
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if err != nil {
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return nil, kusterr.Handler(err, path)
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}
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return m, nil
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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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return newResMapFromResourceSlice(resources)
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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(
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kvLdr ifc.KvLoader, argList []types.ConfigMapArgs) (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(kvLdr, &args)
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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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func (rmF *Factory) FromConfigMapArgs(
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kvLdr ifc.KvLoader, args types.ConfigMapArgs) (ResMap, error) {
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res, err := rmF.resF.MakeConfigMap(kvLdr, &args)
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if err != nil {
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return nil, err
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}
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return rmF.FromResource(res), nil
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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(
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kvLdr ifc.KvLoader, argsList []types.SecretArgs) (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(kvLdr, &args)
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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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func (rmF *Factory) FromSecretArgs(
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kvLdr ifc.KvLoader, args types.SecretArgs) (ResMap, error) {
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res, err := rmF.resF.MakeSecret(kvLdr, &args)
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if err != nil {
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return nil, err
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}
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return rmF.FromResource(res), nil
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}
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func (rmF *Factory) MergePatches(patches []*resource.Resource) (
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ResMap, error) {
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return rmF.tf.MergePatches(patches, rmF.resF)
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}
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func newResMapFromResourceSlice(resources []*resource.Resource) (ResMap, error) {
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result := New()
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for _, res := range resources {
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err := result.Append(res)
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if err != nil {
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return nil, err
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}
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}
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return result, nil
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}
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