mirror of
https://github.com/apple/container.git
synced 2026-07-17 06:57:05 +00:00
J Logan
b1f3c0d35b
- Part of #1404. - Evolves API to use NetworkResource that conforms to ManagedResource. - BREAKING CHANGE - compile time impact due to changes to Swift client API signatures. No change to persistent data or API server XPC protocols.
89 lines
3.0 KiB
Swift
89 lines
3.0 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 ContainerResource
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import ContainerXPC
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import ContainerizationError
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import ContainerizationExtras
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import Foundation
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import Logging
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public actor AllocationOnlyVmnetNetwork: Network {
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// The IPv4 subnet to be used if none explicitly passed in the `NetworkConfiguration`
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private static let defaultIPv4Subnet = try! CIDRv4("192.168.64.1/24")
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private let log: Logger
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private var _state: NetworkState
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/// Configure a bridge network that allows external system access using
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/// network address translation.
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public init(
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configuration: NetworkConfiguration,
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log: Logger
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) throws {
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guard configuration.mode == .nat else {
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throw ContainerizationError(.unsupported, message: "invalid network mode \(configuration.mode)")
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}
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guard configuration.ipv6Subnet == nil else {
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throw ContainerizationError(.unsupported, message: "IPv6 subnet assignment is not yet implemented")
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}
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self.log = log
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self._state = .created(configuration)
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}
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public var state: NetworkState {
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self._state
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}
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public nonisolated func withAdditionalData(_ handler: (XPCMessage?) throws -> Void) throws {
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try handler(nil)
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}
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public func start() async throws {
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guard case .created(let configuration) = _state else {
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throw ContainerizationError(.invalidState, message: "cannot start network \(_state.id) in \(_state.state) state")
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}
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log.info(
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"starting allocation-only network",
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metadata: [
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"id": "\(configuration.id)",
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"mode": "\(NetworkMode.nat.rawValue)",
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]
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)
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let ipv4Subnet = configuration.ipv4Subnet ?? Self.defaultIPv4Subnet
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let gateway = IPv4Address(ipv4Subnet.lower.value + 1)
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let status = NetworkPluginStatus(
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ipv4Subnet: ipv4Subnet,
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ipv4Gateway: gateway,
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ipv6Subnet: nil,
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)
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self._state = .running(configuration, status)
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log.info(
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"started allocation-only network",
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metadata: [
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"id": "\(configuration.id)",
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"mode": "\(configuration.mode)",
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"cidr": "\(ipv4Subnet)",
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]
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)
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}
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}
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