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J Logan
60612eef51
- When pulling warmup images for concurrent tests, save the images to a cache directory under the application root. - Serial tests that aren't testing pull can save time by restoring a cached warmup image.
43 lines
1.9 KiB
Swift
43 lines
1.9 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 SystemPackage
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/// Images preloaded by the ``ImageWarmup`` suite before concurrent tests run.
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/// Add new commonly-used images here; the warmup pass pulls them in parallel.
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public enum WarmupImage: String, CaseIterable, Sendable {
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case alpine320 = "ghcr.io/linuxcontainers/alpine:3.20"
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case alpine318 = "ghcr.io/linuxcontainers/alpine:3.18"
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case busybox136 = "ghcr.io/containerd/busybox:1.36"
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/// Directory under app-root holding OCI tar archives of each warmup image.
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///
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/// Living under app-root (rather than a scratch dir tied to a single
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/// fixture) means the cache survives across the warmup/concurrent/serial
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/// `swift test` invocations, which run as separate processes, and rides
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/// along whatever process clears app-root between full test runs — no
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/// dedicated cleanup needed.
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public static var cacheDirectory: FilePath {
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PathUtils.BaseConfigPath.appRoot.basePath().appending("test-image-cache")
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}
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/// Path to this image's cached OCI tar archive.
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public var cacheTarPath: FilePath {
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Self.cacheDirectory.appending("\(self).tar")
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}
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}
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