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J LoganandGitHub
5064b0ffd5
- Part of work for #460. - Enable set/get of IPv6 network prefix in ReservedVmnetNetwork. - Show IPv6 prefix in `network list` full output. - Option for setting IPv6 prefix when creating a network. - System property for default IPv6 prefix. ## Type of Change - [ ] Bug fix - [x] New feature - [ ] Breaking change - [x] Documentation update ## Motivation and Context See #460. ## Testing - [x] Tested locally - [ ] Added/updated tests - [x] Added/updated docs
86 lines
2.9 KiB
Swift
86 lines
2.9 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 ContainerPersistence
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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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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.ipv4Subnet == nil else {
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throw ContainerizationError(.unsupported, message: "IPv4 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 subnet = DefaultsStore.get(key: .defaultSubnet)
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let subnetCIDR = try CIDRv4(subnet)
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let gateway = IPv4Address(subnetCIDR.lower.value + 1)
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let status = NetworkStatus(
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ipv4Subnet: subnetCIDR,
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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": "\(subnet)",
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]
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)
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}
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}
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