Upgrade k8s package verison (#5358)
* upgrade k8s package version Signed-off-by: hongzhouzi <hongzhouzi@kubesphere.io> * Script upgrade and code formatting. Signed-off-by: hongzhouzi <hongzhouzi@kubesphere.io> Signed-off-by: hongzhouzi <hongzhouzi@kubesphere.io>
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95
vendor/oras.land/oras-go/pkg/content/manifest.go
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95
vendor/oras.land/oras-go/pkg/content/manifest.go
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/*
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Copyright The ORAS 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 content
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import (
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"encoding/json"
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"sort"
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"github.com/opencontainers/go-digest"
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specs "github.com/opencontainers/image-spec/specs-go"
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ocispec "github.com/opencontainers/image-spec/specs-go/v1"
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artifact "oras.land/oras-go/pkg/artifact"
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)
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// GenerateManifest generates a manifest. The manifest will include the provided config,
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// and descs as layers. Raw bytes will be returned.
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func GenerateManifest(config *ocispec.Descriptor, annotations map[string]string, descs ...ocispec.Descriptor) ([]byte, ocispec.Descriptor, error) {
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// Config - either it was set, or we have to set it
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if config == nil {
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_, configGen, err := GenerateConfig(nil)
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if err != nil {
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return nil, ocispec.Descriptor{}, err
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}
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config = &configGen
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}
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return pack(*config, annotations, descs)
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}
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// GenerateConfig generates a blank config with optional annotations.
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func GenerateConfig(annotations map[string]string) ([]byte, ocispec.Descriptor, error) {
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configBytes := []byte("{}")
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dig := digest.FromBytes(configBytes)
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config := ocispec.Descriptor{
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MediaType: artifact.UnknownConfigMediaType,
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Digest: dig,
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Size: int64(len(configBytes)),
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Annotations: annotations,
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}
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return configBytes, config, nil
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}
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// GenerateManifestAndConfig generates a config and then a manifest. Raw bytes will be returned.
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func GenerateManifestAndConfig(manifestAnnotations map[string]string, configAnnotations map[string]string, descs ...ocispec.Descriptor) (manifest []byte, manifestDesc ocispec.Descriptor, config []byte, configDesc ocispec.Descriptor, err error) {
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config, configDesc, err = GenerateConfig(configAnnotations)
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if err != nil {
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return nil, ocispec.Descriptor{}, nil, ocispec.Descriptor{}, err
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}
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manifest, manifestDesc, err = GenerateManifest(&configDesc, manifestAnnotations, descs...)
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if err != nil {
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return nil, ocispec.Descriptor{}, nil, ocispec.Descriptor{}, err
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}
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return
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}
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// pack given a bunch of descriptors, create a manifest that references all of them
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func pack(config ocispec.Descriptor, annotations map[string]string, descriptors []ocispec.Descriptor) ([]byte, ocispec.Descriptor, error) {
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if descriptors == nil {
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descriptors = []ocispec.Descriptor{} // make it an empty array to prevent potential server-side bugs
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}
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// sort descriptors alphanumerically by sha hash so it always is consistent
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sort.Slice(descriptors, func(i, j int) bool {
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return descriptors[i].Digest < descriptors[j].Digest
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})
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manifest := ocispec.Manifest{
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Versioned: specs.Versioned{
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SchemaVersion: 2, // historical value. does not pertain to OCI or docker version
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},
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Config: config,
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Layers: descriptors,
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Annotations: annotations,
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}
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manifestBytes, err := json.Marshal(manifest)
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if err != nil {
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return nil, ocispec.Descriptor{}, err
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}
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manifestDescriptor := ocispec.Descriptor{
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MediaType: ocispec.MediaTypeImageManifest,
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Digest: digest.FromBytes(manifestBytes),
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Size: int64(len(manifestBytes)),
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}
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return manifestBytes, manifestDescriptor, nil
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}
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