Vendor apple/containerization with a VM-extensions forwarding patch

Switch the containerization dependency from the github URL to a vendored copy (third_party/containerization, upstream commit 6b7b42ca) referenced by path, so we can carry a small local patch that upstream lacks: LinuxContainer.Configuration gains a `vmExtensions` field forwarded into VMConfiguration.extensions. Upstream already supports VMConfiguration.extensions + the VZInstanceExtension hook, but LinuxContainer — our only entry point — never forwarded them, so there was no way to attach a device (e.g. a memory balloon) to a container's VM. Tests/, docs/, examples/, images/ and the corresponding test targets are trimmed for footprint (we never build the dependency's tests). See PATCHES.md for the full diff vs. upstream and the re-vendoring procedure. Also adds the ContainerizationExtras product to NucleicCore (AddressAllocator, named in the configureVZ signature). Co-Authored-By: Claude Opus 4.8 <[email protected]>
2026-06-21 20:22:21 -07:00
commit 11b9825e09
280 changed files with 75699 additions and 0 deletions
@@ -0,0 +1,34 @@
+//===----------------------------------------------------------------------===//
+// Copyright © 2025-2026 Apple Inc. and the Containerization project authors.
+//
+// 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 ContainerizationExtras
+import Foundation
+
+internal func createTemporaryDirectory(baseName: String) -> URL? {
+    let url = FileManager.default.uniqueTemporaryDirectory().appendingPathComponent(
+        "\(baseName).XXXXXX")
+
+    var path = url.absoluteURL.path
+    return path.withUTF8 { utf8Bytes in
+        var mutablePath = Array(utf8Bytes) + [0]
+        return mutablePath.withUnsafeMutableBufferPointer { buffer -> URL? in
+            guard let baseAddress = buffer.baseAddress else { return nil }
+            mkdtemp(baseAddress)
+            let resultPath = String(decoding: buffer[..<(buffer.count - 1)], as: UTF8.self)
+            return URL(fileURLWithPath: resultPath, isDirectory: true)
+        }
+    }
+}