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62 lines
1.5 KiB
Go
62 lines
1.5 KiB
Go
/*
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Copyright 2022 The Flux 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 oci
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import (
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"fmt"
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)
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const (
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SourceAnnotation = "org.opencontainers.image.source"
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RevisionAnnotation = "org.opencontainers.image.revision"
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)
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type Metadata struct {
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Source string `json:"source_url"`
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Revision string `json:"source_revision"`
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Digest string `json:"digest"`
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URL string `json:"url"`
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}
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func (m *Metadata) ToAnnotations() map[string]string {
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annotations := map[string]string{
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SourceAnnotation: m.Source,
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RevisionAnnotation: m.Revision,
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}
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return annotations
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}
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func MetadataFromAnnotations(annotations map[string]string) (*Metadata, error) {
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source, ok := annotations[SourceAnnotation]
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if !ok {
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return nil, fmt.Errorf("'%s' annotation not found", SourceAnnotation)
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}
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revision, ok := annotations[RevisionAnnotation]
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if !ok {
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return nil, fmt.Errorf("'%s' annotation not found", RevisionAnnotation)
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}
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m := Metadata{
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Source: source,
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Revision: revision,
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}
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return &m, nil
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}
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