Michael Crosby
70 lines
2.9 KiB
Swift
70 lines
2.9 KiB
Swift
//===----------------------------------------------------------------------===//
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// Copyright © 2025-2026 Apple Inc. and the Containerization 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 ArgumentParser
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import Containerization
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import ContainerizationOCI
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import Foundation
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extension Application {
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struct Rootfs: AsyncParsableCommand {
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static let configuration = CommandConfiguration(
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commandName: "rootfs",
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abstract: "Manage the root filesystem for a container",
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subcommands: [
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Create.self
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]
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)
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struct Create: AsyncParsableCommand {
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static let configuration = CommandConfiguration(
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commandName: "create",
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abstract: "Create an init image from a prebuilt rootfs tar archive"
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)
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@Option(name: .customLong("image"), help: "The name of the image to produce.")
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var imageName: String
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@Option(name: .customLong("label"), help: "Label to add to the image (format: key=value)")
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var labels: [String] = []
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@Option(name: .long, help: "Platform of the binaries packaged into the rootfs")
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var platformString: String = Platform.current.description
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// The gzip-compressed rootfs tar archive whose contents make up the
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// image layer — e.g. produced by `scripts/build-initfs.sh --tar`,
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// which also builds the matching initfs.ext4. The rootfs layout is
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// owned by that script; this command only wraps it into an image.
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@Argument(help: "Path to the gzip-compressed rootfs tar archive")
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var rootfs: String
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func run() async throws {
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let platform = try Platform(from: platformString)
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let parsedLabels = Application.parseKeyValuePairs(from: labels)
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print("creating initfs image \(imageName)...")
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_ = try await InitImage.create(
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reference: imageName,
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rootfs: URL(filePath: rootfs),
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platform: platform,
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labels: parsedLabels,
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imageStore: Application.imageStore,
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contentStore: Application.contentStore
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)
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}
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}
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}
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}
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