drone/registry/app/manifest/descriptor.go

50 lines
1.8 KiB
Go

// Source: https://github.com/distribution/distribution
// Copyright 2014 https://github.com/distribution/distribution Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package manifest
import (
"github.com/opencontainers/go-digest"
v1 "github.com/opencontainers/image-spec/specs-go/v1"
)
// Descriptor describes targeted content. Used in conjunction with a blob
// store, a descriptor can be used to fetch, store and target any kind of
// blob. The struct also describes the wire protocol format. Fields should
// only be added but never changed.
type Descriptor struct {
// MediaType describe the type of the content. All text based formats are
// encoded as utf-8.
MediaType string `json:"mediaType,omitempty"`
// Digest uniquely identifies the content. A byte stream can be verified
// against this digest.
Digest digest.Digest `json:"digest,omitempty"`
// Size in bytes of content.
Size int64 `json:"size,omitempty"`
// URLs contains the source URLs of this content.
URLs []string `json:"urls,omitempty"`
// Annotations contains arbitrary metadata relating to the targeted content.
Annotations map[string]string `json:"annotations,omitempty"`
// Platform describes the platform which the image in the manifest runs on.
// This should only be used when referring to a manifest.
Platform *v1.Platform `json:"platform,omitempty"`
}