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// Copyright 2019 The Kubernetes Authors.
// SPDX-License-Identifier: Apache-2.0
package resource
import (
"path/filepath"
"strings"
"sigs.k8s.io/kustomize/api/internal/git"
kyaml "sigs.k8s.io/kustomize/kyaml/yaml"
)
// Origin retains information about the origin of resources and transformer configs
// that contributed to the output of `kustomize build`
type Origin struct {
// Path is the path to the resource. If a local resource, this path is
// rooted from the directory upon which `kustomize build` was invoked. If a
// remote resource, this path is rooted from the root of the remote repo.
Path string `json:"path,omitempty" yaml:"path,omitempty"`
// Repo is the remote repository that the resource or transformer originated from if it is
// not from a local file
Repo string `json:"repo,omitempty" yaml:"repo,omitempty"`
// Ref is the ref of the remote repository that the resource or transformer originated from
// if it is not from a local file
Ref string `json:"ref,omitempty" yaml:"ref,omitempty"`
// The following fields only apply to resources that have been
// generated by fields other than the `resources` field, or to transformer
// configs.
// ConfiguredIn is the file path to the generator or transformer config that created the
// resource
ConfiguredIn string `json:"configuredIn,omitempty" yaml:"configuredIn,omitempty"`
// ConfiguredBy is the ObjectReference of the generator or transformer config
ConfiguredBy kyaml.ResourceIdentifier `json:"configuredBy,omitempty" yaml:"configuredBy,omitempty"`
}
// Copy returns a copy of origin
func (origin *Origin) Copy() Origin {
if origin == nil {
return Origin{}
}
return *origin
}
// Append returns a copy of origin with a path appended to it
func (origin *Origin) Append(path string) *Origin {
originCopy := origin.Copy()
repoSpec, err := git.NewRepoSpecFromURL(path)
if err == nil {
originCopy.Repo = repoSpec.CloneSpec()
absPath := repoSpec.AbsPath()
path = absPath[strings.Index(absPath[1:], "/")+1:][1:]
originCopy.Path = ""
originCopy.Ref = repoSpec.Ref
}
originCopy.Path = filepath.Join(originCopy.Path, path)
return &originCopy
}
// String returns a string version of origin
func (origin *Origin) String() (string, error) {
anno, err := kyaml.Marshal(origin)
return string(anno), err
}
// Transformations is a list of Origin
type Transformations []*Origin
// String returns a string version of Transformations
func (transformations *Transformations) String() (string, error) {
anno, err := kyaml.Marshal(transformations)
return string(anno), err
}
// OriginFromCustomPlugin takes a custom plugin defined as a resource
// and returns an origin object to describe it
func OriginFromCustomPlugin(res *Resource) (*Origin, error) {
origin, err := res.GetOrigin()
if err != nil {
return nil, err
}
var result *Origin
if origin != nil {
result = &Origin{
Repo: origin.Repo,
Ref: origin.Ref,
ConfiguredIn: origin.Path,
ConfiguredBy: kyaml.ResourceIdentifier{
TypeMeta: kyaml.TypeMeta{
APIVersion: res.GetApiVersion(),
Kind: res.GetKind(),
},
NameMeta: kyaml.NameMeta{
Name: res.GetName(),
Namespace: res.GetNamespace(),
},
},
}
}
return result, nil
}
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