wehub-resource-sync
e84fb4a79e
container project - merge build / Invoke build (push) Successful in 1s
73 lines
3.1 KiB
Swift
73 lines
3.1 KiB
Swift
//===----------------------------------------------------------------------===//
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// Copyright © 2026 Apple Inc. and the container project authors.
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//
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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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//
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// https://www.apache.org/licenses/LICENSE-2.0
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//
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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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import ContainerPersistence
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import ContainerResource
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import ContainerizationOCI
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import Foundation
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extension ClientImage {
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/// Resolves, from the content store, the index descriptor and per-variant
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/// manifest content needed to build an ``ImageResource``.
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///
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/// Manifests without a platform, or whose config/manifest cannot be
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/// fetched, are skipped.
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public func toImageResource(containerSystemConfig: ContainerSystemConfig) async throws -> ImageResource {
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var variants: [ImageResource.Variant] = []
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var earliest: Date?
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for desc in try await self.index().manifests {
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guard let platform = desc.platform else {
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continue
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}
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let config: ContainerizationOCI.Image
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let manifest: ContainerizationOCI.Manifest
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do {
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config = try await self.config(for: platform)
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manifest = try await self.manifest(for: platform)
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} catch {
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continue
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}
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let size =
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desc.size + manifest.config.size
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+ manifest.layers.reduce(0) { $0 + $1.size }
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variants.append(.init(platform: platform, digest: desc.digest, size: size, config: config))
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// Use the earliest variant's creation timestamp as the image's date.
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if let date = config.created.flatMap(Self.parseCreated) {
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earliest = min(earliest ?? date, date)
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}
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}
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let created = earliest ?? Date(timeIntervalSince1970: 0)
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let displayName = try Self.denormalizeReference(self.description.reference, containerSystemConfig: containerSystemConfig)
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let configuration = ImageResource.ImageConfiguration(description: self.description, creationDate: created)
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return ImageResource(configuration: configuration, variants: variants, displayReference: displayName)
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}
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private static func parseCreated(_ value: String) -> Date? {
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let withFractional = ISO8601DateFormatter()
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withFractional.formatOptions = [.withInternetDateTime, .withFractionalSeconds]
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if let date = withFractional.date(from: value) {
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return date
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}
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let formatter = ISO8601DateFormatter()
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formatter.formatOptions = [.withInternetDateTime]
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return formatter.date(from: value)
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}
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}
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