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container/Sources/CLI/Image/ImagePull.swift
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+6 8e9670c8f8 Initial commit
Co-authored-by: Aditya Ramani <a_ramani@apple.com>
Co-authored-by: Agam Dua <agam_dua@apple.com>
Co-authored-by: Danny Canter <danny_canter@apple.com>
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2025-06-05 15:51:55 -07:00

85 lines
3.1 KiB
Swift

//===----------------------------------------------------------------------===//
// Copyright © 2025 Apple Inc. and the container project authors. All rights reserved.
//
// 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
//
// https://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.
//===----------------------------------------------------------------------===//
import ArgumentParser
import ContainerClient
import Containerization
import ContainerizationError
import ContainerizationOCI
import TerminalProgress
extension Application {
struct ImagePull: AsyncParsableCommand {
static let configuration = CommandConfiguration(
commandName: "pull",
abstract: "Pull an image"
)
@OptionGroup
var global: Flags.Global
@Option(help: "Platform string in the form 'os/arch/variant'. Example 'linux/arm64/v8', 'linux/amd64'") var platform: String?
@Flag(help: "Pull using plain-text http") var http: Bool = false
@Argument var reference: String
init() {}
init(platform: String? = nil, http: Bool = false, reference: String) {
self.global = Flags.Global()
self.platform = platform
self.http = http
self.reference = reference
}
func run() async throws {
var p: Platform?
if let platform {
p = try Platform(from: platform)
}
let processedReference = try ClientImage.normalizeReference(reference)
let progressConfig = try ProgressConfig(
showTasks: true,
showItems: true,
ignoreSmallSize: true,
totalTasks: 2
)
let progress = ProgressBar(config: progressConfig)
defer {
progress.finish()
}
progress.start()
progress.set(description: "Fetching image")
progress.set(itemsName: "blobs")
let taskManager = ProgressTaskCoordinator()
let fetchTask = await taskManager.startTask()
let image = try await ClientImage.pull(
reference: processedReference, platform: p, progressUpdate: ProgressTaskCoordinator.handler(for: fetchTask, from: progress.handler)
)
progress.set(description: "Unpacking image")
progress.set(itemsName: "entries")
let unpackTask = await taskManager.startTask()
try await image.unpack(platform: p, progressUpdate: ProgressTaskCoordinator.handler(for: unpackTask, from: progress.handler))
await taskManager.finish()
progress.finish()
}
}
}