mirror of
https://github.com/apple/container.git
synced 2026-07-12 12:37:02 +00:00
J Logan
108 lines
4.4 KiB
Swift
108 lines
4.4 KiB
Swift
//===----------------------------------------------------------------------===//
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// Copyright © 2025 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 ArgumentParser
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import ContainerClient
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import ContainerPlugin
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import ContainerizationOS
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import Foundation
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import Logging
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extension Application {
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public struct SystemStop: AsyncParsableCommand {
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private static let stopTimeoutSeconds: Int32 = 5
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private static let shutdownTimeoutSeconds: Int32 = 20
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public static let configuration = CommandConfiguration(
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commandName: "stop",
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abstract: "Stop all `container` services"
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)
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@Option(name: .shortAndLong, help: "Launchd prefix for services")
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var prefix: String = "com.apple.container."
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@OptionGroup
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var global: Flags.Global
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public init() {}
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public func run() async throws {
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let log = Logger(
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label: "com.apple.container.cli",
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factory: { label in
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StreamLogHandler.standardOutput(label: label)
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}
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)
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let launchdDomainString = try ServiceManager.getDomainString()
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let fullLabel = "\(launchdDomainString)/\(prefix)apiserver"
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var running = true
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do {
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log.info("checking if APIServer is alive")
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_ = try await ClientHealthCheck.ping(timeout: .seconds(5))
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} catch {
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log.info("APIServer health check failed, skipping bootout")
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running = false
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}
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if running {
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log.info("stopping containers", metadata: ["stopTimeoutSeconds": "\(Self.stopTimeoutSeconds)"])
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do {
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let containers = try await ClientContainer.list()
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let signal = try Signals.parseSignal("SIGTERM")
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let opts = ContainerStopOptions(timeoutInSeconds: Self.stopTimeoutSeconds, signal: signal)
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let failed = try await ContainerStop.stopContainers(containers: containers, stopOptions: opts)
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if !failed.isEmpty {
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log.warning("some containers could not be stopped gracefully", metadata: ["ids": "\(failed)"])
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}
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} catch {
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log.warning("failed to stop all containers", metadata: ["error": "\(error)"])
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}
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log.info("waiting for containers to exit")
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do {
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for _ in 0..<Self.shutdownTimeoutSeconds {
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let anyRunning = try await ClientContainer.list()
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.contains { $0.status == .running }
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guard anyRunning else {
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break
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}
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try await Task.sleep(for: .seconds(1))
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}
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log.info("stopping service", metadata: ["label": "\(fullLabel)"])
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try ServiceManager.deregister(fullServiceLabel: fullLabel)
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} catch {
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log.warning("failed to wait for all containers", metadata: ["error": "\(error)"])
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}
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}
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// Note: The assumption here is that we would have registered the launchd services
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// in the same domain as `launchdDomainString`. This is a fairly sane assumption since
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// if somehow the launchd domain changed, XPC interactions would not be possible.
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try ServiceManager.enumerate()
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.filter { $0.hasPrefix(prefix) }
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.filter { $0 != fullLabel }
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.map { "\(launchdDomainString)/\($0)" }
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.forEach {
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log.info("stopping service", metadata: ["label": "\($0)"])
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try? ServiceManager.deregister(fullServiceLabel: $0)
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}
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}
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}
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}
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