forked from openshift/origin
/
conversion.go
340 lines (300 loc) · 11.2 KB
/
conversion.go
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package v1
import (
"sort"
"strings"
"k8s.io/apimachinery/pkg/conversion"
"k8s.io/apimachinery/pkg/runtime"
"k8s.io/apimachinery/pkg/runtime/schema"
"k8s.io/apimachinery/pkg/runtime/serializer"
"github.com/openshift/api/image/docker10"
"github.com/openshift/api/image/dockerpre012"
"github.com/openshift/api/image/v1"
"github.com/openshift/origin/pkg/api/apihelpers"
newer "github.com/openshift/origin/pkg/image/apis/image"
)
var (
dockerImageScheme = runtime.NewScheme()
dockerImageCodecs = serializer.NewCodecFactory(dockerImageScheme)
)
func init() {
docker10.AddToSchemeInCoreGroup(dockerImageScheme)
dockerpre012.AddToSchemeInCoreGroup(dockerImageScheme)
newer.AddToSchemeInCoreGroup(dockerImageScheme)
AddToSchemeInCoreGroup(dockerImageScheme)
docker10.AddToScheme(dockerImageScheme)
dockerpre012.AddToScheme(dockerImageScheme)
newer.AddToScheme(dockerImageScheme)
AddToScheme(dockerImageScheme)
}
// The docker metadata must be cast to a version
func Convert_image_Image_To_v1_Image(in *newer.Image, out *v1.Image, s conversion.Scope) error {
if err := s.Convert(&in.ObjectMeta, &out.ObjectMeta, 0); err != nil {
return err
}
out.DockerImageReference = in.DockerImageReference
out.DockerImageManifest = in.DockerImageManifest
out.DockerImageManifestMediaType = in.DockerImageManifestMediaType
out.DockerImageConfig = in.DockerImageConfig
gvString := in.DockerImageMetadataVersion
if len(gvString) == 0 {
gvString = "1.0"
}
if !strings.Contains(gvString, "/") {
gvString = "/" + gvString
}
version, err := schema.ParseGroupVersion(gvString)
if err != nil {
return err
}
data, err := runtime.Encode(dockerImageCodecs.LegacyCodec(version), &in.DockerImageMetadata)
if err != nil {
return err
}
out.DockerImageMetadata.Raw = data
out.DockerImageMetadataVersion = version.Version
if in.DockerImageLayers != nil {
out.DockerImageLayers = make([]v1.ImageLayer, len(in.DockerImageLayers))
for i := range in.DockerImageLayers {
out.DockerImageLayers[i].MediaType = in.DockerImageLayers[i].MediaType
out.DockerImageLayers[i].Name = in.DockerImageLayers[i].Name
out.DockerImageLayers[i].LayerSize = in.DockerImageLayers[i].LayerSize
}
} else {
out.DockerImageLayers = nil
}
if in.Signatures != nil {
out.Signatures = make([]v1.ImageSignature, len(in.Signatures))
for i := range in.Signatures {
if err := s.Convert(&in.Signatures[i], &out.Signatures[i], 0); err != nil {
return err
}
}
} else {
out.Signatures = nil
}
if in.DockerImageSignatures != nil {
out.DockerImageSignatures = nil
for _, v := range in.DockerImageSignatures {
out.DockerImageSignatures = append(out.DockerImageSignatures, v)
}
} else {
out.DockerImageSignatures = nil
}
return nil
}
func Convert_v1_Image_To_image_Image(in *v1.Image, out *newer.Image, s conversion.Scope) error {
if err := s.Convert(&in.ObjectMeta, &out.ObjectMeta, 0); err != nil {
return err
}
out.DockerImageReference = in.DockerImageReference
out.DockerImageManifest = in.DockerImageManifest
out.DockerImageManifestMediaType = in.DockerImageManifestMediaType
out.DockerImageConfig = in.DockerImageConfig
version := in.DockerImageMetadataVersion
if len(version) == 0 {
version = "1.0"
}
if len(in.DockerImageMetadata.Raw) > 0 {
// TODO: add a way to default the expected kind and version of an object if not set
obj, err := dockerImageScheme.New(schema.GroupVersionKind{Version: version, Kind: "DockerImage"})
if err != nil {
return err
}
if err := runtime.DecodeInto(dockerImageCodecs.UniversalDecoder(), in.DockerImageMetadata.Raw, obj); err != nil {
return err
}
if err := s.Convert(obj, &out.DockerImageMetadata, 0); err != nil {
return err
}
}
out.DockerImageMetadataVersion = version
if in.DockerImageLayers != nil {
out.DockerImageLayers = make([]newer.ImageLayer, len(in.DockerImageLayers))
for i := range in.DockerImageLayers {
out.DockerImageLayers[i].MediaType = in.DockerImageLayers[i].MediaType
out.DockerImageLayers[i].Name = in.DockerImageLayers[i].Name
out.DockerImageLayers[i].LayerSize = in.DockerImageLayers[i].LayerSize
}
} else {
out.DockerImageLayers = nil
}
if in.Signatures != nil {
out.Signatures = make([]newer.ImageSignature, len(in.Signatures))
for i := range in.Signatures {
if err := s.Convert(&in.Signatures[i], &out.Signatures[i], 0); err != nil {
return err
}
}
} else {
out.Signatures = nil
}
if in.DockerImageSignatures != nil {
out.DockerImageSignatures = nil
for _, v := range in.DockerImageSignatures {
out.DockerImageSignatures = append(out.DockerImageSignatures, v)
}
} else {
out.DockerImageSignatures = nil
}
return nil
}
func Convert_v1_ImageStreamSpec_To_image_ImageStreamSpec(in *v1.ImageStreamSpec, out *newer.ImageStreamSpec, s conversion.Scope) error {
out.LookupPolicy = newer.ImageLookupPolicy{Local: in.LookupPolicy.Local}
out.DockerImageRepository = in.DockerImageRepository
out.Tags = make(map[string]newer.TagReference)
return s.Convert(&in.Tags, &out.Tags, 0)
}
func Convert_image_ImageStreamSpec_To_v1_ImageStreamSpec(in *newer.ImageStreamSpec, out *v1.ImageStreamSpec, s conversion.Scope) error {
out.LookupPolicy = v1.ImageLookupPolicy{Local: in.LookupPolicy.Local}
out.DockerImageRepository = in.DockerImageRepository
if len(in.DockerImageRepository) > 0 {
// ensure that stored image references have no tag or ID, which was possible from 1.0.0 until 1.0.7
if ref, err := newer.ParseDockerImageReference(in.DockerImageRepository); err == nil {
if len(ref.Tag) > 0 || len(ref.ID) > 0 {
ref.Tag, ref.ID = "", ""
out.DockerImageRepository = ref.Exact()
}
}
}
out.Tags = make([]v1.TagReference, 0, 0)
return s.Convert(&in.Tags, &out.Tags, 0)
}
func Convert_v1_ImageStreamStatus_To_image_ImageStreamStatus(in *v1.ImageStreamStatus, out *newer.ImageStreamStatus, s conversion.Scope) error {
out.DockerImageRepository = in.DockerImageRepository
out.PublicDockerImageRepository = in.PublicDockerImageRepository
out.Tags = make(map[string]newer.TagEventList)
return s.Convert(&in.Tags, &out.Tags, 0)
}
func Convert_image_ImageStreamStatus_To_v1_ImageStreamStatus(in *newer.ImageStreamStatus, out *v1.ImageStreamStatus, s conversion.Scope) error {
out.DockerImageRepository = in.DockerImageRepository
out.PublicDockerImageRepository = in.PublicDockerImageRepository
if len(in.DockerImageRepository) > 0 {
// ensure that stored image references have no tag or ID, which was possible from 1.0.0 until 1.0.7
if ref, err := newer.ParseDockerImageReference(in.DockerImageRepository); err == nil {
if len(ref.Tag) > 0 || len(ref.ID) > 0 {
ref.Tag, ref.ID = "", ""
out.DockerImageRepository = ref.Exact()
}
}
}
out.Tags = make([]v1.NamedTagEventList, 0, 0)
return s.Convert(&in.Tags, &out.Tags, 0)
}
func Convert_image_ImageStreamMapping_To_v1_ImageStreamMapping(in *newer.ImageStreamMapping, out *v1.ImageStreamMapping, s conversion.Scope) error {
return s.DefaultConvert(in, out, conversion.DestFromSource)
}
func Convert_v1_ImageStreamMapping_To_image_ImageStreamMapping(in *v1.ImageStreamMapping, out *newer.ImageStreamMapping, s conversion.Scope) error {
return s.DefaultConvert(in, out, conversion.SourceToDest)
}
func Convert_v1_NamedTagEventListArray_to_api_TagEventListArray(in *[]v1.NamedTagEventList, out *map[string]newer.TagEventList, s conversion.Scope) error {
for _, curr := range *in {
newTagEventList := newer.TagEventList{}
if err := s.Convert(&curr.Conditions, &newTagEventList.Conditions, 0); err != nil {
return err
}
if err := s.Convert(&curr.Items, &newTagEventList.Items, 0); err != nil {
return err
}
(*out)[curr.Tag] = newTagEventList
}
return nil
}
func Convert_image_TagEventListArray_to_v1_NamedTagEventListArray(in *map[string]newer.TagEventList, out *[]v1.NamedTagEventList, s conversion.Scope) error {
allKeys := make([]string, 0, len(*in))
for key := range *in {
allKeys = append(allKeys, key)
}
sort.Strings(allKeys)
for _, key := range allKeys {
newTagEventList := (*in)[key]
oldTagEventList := &v1.NamedTagEventList{Tag: key}
if err := s.Convert(&newTagEventList.Conditions, &oldTagEventList.Conditions, 0); err != nil {
return err
}
if err := s.Convert(&newTagEventList.Items, &oldTagEventList.Items, 0); err != nil {
return err
}
*out = append(*out, *oldTagEventList)
}
return nil
}
func Convert_v1_TagReferenceArray_to_api_TagReferenceMap(in *[]v1.TagReference, out *map[string]newer.TagReference, s conversion.Scope) error {
for _, curr := range *in {
r := newer.TagReference{}
if err := s.Convert(&curr, &r, 0); err != nil {
return err
}
(*out)[curr.Name] = r
}
return nil
}
func Convert_image_TagReferenceMap_to_v1_TagReferenceArray(in *map[string]newer.TagReference, out *[]v1.TagReference, s conversion.Scope) error {
allTags := make([]string, 0, len(*in))
for tag := range *in {
allTags = append(allTags, tag)
}
sort.Strings(allTags)
for _, tag := range allTags {
newTagReference := (*in)[tag]
oldTagReference := v1.TagReference{}
if err := s.Convert(&newTagReference, &oldTagReference, 0); err != nil {
return err
}
oldTagReference.Name = tag
*out = append(*out, oldTagReference)
}
return nil
}
func addConversionFuncs(scheme *runtime.Scheme) error {
err := scheme.AddConversionFuncs(
Convert_v1_NamedTagEventListArray_to_api_TagEventListArray,
Convert_image_TagEventListArray_to_v1_NamedTagEventListArray,
Convert_v1_TagReferenceArray_to_api_TagReferenceMap,
Convert_image_TagReferenceMap_to_v1_TagReferenceArray,
Convert_image_Image_To_v1_Image,
Convert_v1_Image_To_image_Image,
Convert_v1_ImageStreamSpec_To_image_ImageStreamSpec,
Convert_image_ImageStreamSpec_To_v1_ImageStreamSpec,
Convert_v1_ImageStreamStatus_To_image_ImageStreamStatus,
Convert_image_ImageStreamStatus_To_v1_ImageStreamStatus,
Convert_image_ImageStreamMapping_To_v1_ImageStreamMapping,
Convert_v1_ImageStreamMapping_To_image_ImageStreamMapping,
)
if err != nil {
// If one of the conversion functions is malformed, detect it immediately.
return err
}
return nil
}
func addLegacyFieldSelectorKeyConversions(scheme *runtime.Scheme) error {
if err := scheme.AddFieldLabelConversionFunc(LegacySchemeGroupVersion.String(), "ImageStream", legacyImageStreamFieldSelectorKeyConversionFunc); err != nil {
return err
}
return nil
}
func addFieldSelectorKeyConversions(scheme *runtime.Scheme) error {
if err := scheme.AddFieldLabelConversionFunc(SchemeGroupVersion.String(), "ImageStream", imageStreamFieldSelectorKeyConversionFunc); err != nil {
return err
}
return nil
}
// because field selectors can vary in support by version they are exposed under, we have one function for each
// groupVersion we're registering for
func legacyImageStreamFieldSelectorKeyConversionFunc(label, value string) (internalLabel, internalValue string, err error) {
switch label {
case "spec.dockerImageRepository",
"status.dockerImageRepository":
return label, value, nil
default:
return apihelpers.LegacyMetaV1FieldSelectorConversionWithName(label, value)
}
}
func imageStreamFieldSelectorKeyConversionFunc(label, value string) (internalLabel, internalValue string, err error) {
switch label {
case "spec.dockerImageRepository",
"status.dockerImageRepository":
return label, value, nil
default:
return runtime.DefaultMetaV1FieldSelectorConversion(label, value)
}
}