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image-index: add artifactType to specs and schema #1077

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Jun 22, 2023
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image-index: add artifactType to specs and schema #1077

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4 changes: 4 additions & 0 deletions schema/image-index-schema.json
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Original file line number Diff line number Diff line change
Expand Up @@ -15,6 +15,10 @@
"description": "the mediatype of the referenced object",
"$ref": "defs-descriptor.json#/definitions/mediaType"
},
"artifactType": {
"description": "the artifact mediatype of the referenced object",
"$ref": "defs-descriptor.json#/definitions/mediaType"
},
"subject": {
"$ref": "content-descriptor.json"
},
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25 changes: 25 additions & 0 deletions schema/imageindex_test.go
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Original file line number Diff line number Diff line change
Expand Up @@ -227,6 +227,31 @@ func TestImageIndex(t *testing.T) {
}
]
}
`,
fail: false,
},

// valid image index with artifactType and manifests
{
imageIndex: `
{
"schemaVersion": 2,
"mediaType" : "application/vnd.oci.image.index.v1+json",
"artifactType": "application/vnd.example+type",
"manifests": [
{
"mediaType": "application/vnd.oci.image.manifest.v1+json",
"size": 7143,
"digest": "sha256:5b0bcabd1ed22e9fb1310cf6c2dec7cdef19f0ad69efa1f392e94a4333501270"
},
{
"mediaType": "application/vnd.oci.image.manifest.v1+json",
"artifactType": "application/vnd.example1+type",
"size": 506,
"digest": "sha256:99953afc4b90c7d78079d189ae10da0a1002e6be5e9e8dedaf9f7f29def42111"
}
]
}
`,
fail: false,
},
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3 changes: 3 additions & 0 deletions specs-go/v1/index.go
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Expand Up @@ -24,6 +24,9 @@ type Index struct {
// MediaType specifies the type of this document data structure e.g. `application/vnd.oci.image.index.v1+json`
MediaType string `json:"mediaType,omitempty"`

// ArtifactType specifies the IANA media type of artifact when the manifest is used for an artifact.
ArtifactType string `json:"artifactType,omitempty"`

// Manifests references platform specific manifests.
Manifests []Descriptor `json:"manifests"`

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