1 // Copyright 2016 The Linux Foundation 2 // 3 // Licensed under the Apache License, Version 2.0 (the "License"); 4 // you may not use this file except in compliance with the License. 5 // You may obtain a copy of the License at 6 // 7 // http://www.apache.org/licenses/LICENSE-2.0 8 // 9 // Unless required by applicable law or agreed to in writing, software 10 // distributed under the License is distributed on an "AS IS" BASIS, 11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 // See the License for the specific language governing permissions and 13 // limitations under the License. 14 15 package v1 16 17 import "github.com/opencontainers/image-spec/specs-go" 18 19 // Index references manifests for various platforms. 20 // This structure provides `application/vnd.oci.image.index.v1+json` mediatype when marshalled to JSON. 21 type Index struct { 22 specs.Versioned 23 24 // MediaType specifies the type of this document data structure e.g. `application/vnd.oci.image.index.v1+json` 25 MediaType string `json:"mediaType,omitempty"` 26 27 // ArtifactType specifies the IANA media type of artifact when the manifest is used for an artifact. 28 ArtifactType string `json:"artifactType,omitempty"` 29 30 // Manifests references platform specific manifests. 31 Manifests []Descriptor `json:"manifests"` 32 33 // Subject is an optional link from the image manifest to another manifest forming an association between the image manifest and the other manifest. 34 Subject *Descriptor `json:"subject,omitempty"` 35 36 // Annotations contains arbitrary metadata for the image index. 37 Annotations map[string]string `json:"annotations,omitempty"` 38 } 39