127 lines
7.6 KiB
Swift
127 lines
7.6 KiB
Swift
import AppKit
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import Foundation
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struct ServerDefinition: Identifiable, Codable, Hashable {
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var id = UUID()
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var name: String
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var vmName: String
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var host: String
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var sshUser: String
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var sshPort: Int = 22
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var sshIdentityFile: String = ""
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var mailpitPort: Int?
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static let orion = ServerDefinition(name: "Orion", vmName: "Ubuntu Linux Server", host: "10.211.55.100", sshUser: "sysadmin", sshPort: 22, sshIdentityFile: "", mailpitPort: 8025)
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}
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@MainActor
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final class OrionVMController: ObservableObject {
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enum VMStatus: Equatable {
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case checking, running, stopped, suspended, transitioning, unavailable(String)
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var title: String { switch self { case .checking: "Checking…"; case .running: "Running"; case .stopped: "Stopped"; case .suspended: "Suspended"; case .transitioning: "Working…"; case .unavailable: "Unavailable" } }
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var symbolName: String { switch self { case .running: "server.rack"; case .stopped: "power"; case .suspended: "pause.circle"; case .transitioning, .checking: "arrow.triangle.2.circlepath"; case .unavailable: "exclamationmark.triangle" } }
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}
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@Published var servers: [ServerDefinition] { didSet { saveServers() } }
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@Published var statuses: [UUID: VMStatus] = [:]
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@Published var busyServers: Set<UUID> = []
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@Published var lastError: String?
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private var timer: Timer?
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private let defaultsKey = "serverDefinitions.v2"
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init() {
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if let data = UserDefaults.standard.data(forKey: defaultsKey), let saved = try? JSONDecoder().decode([ServerDefinition].self, from: data), !saved.isEmpty { servers = saved }
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else { servers = [.orion] }
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Task { await refreshAll() }
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timer = Timer.scheduledTimer(withTimeInterval: 5, repeats: true) { [weak self] _ in Task { @MainActor in await self?.refreshAll() } }
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}
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deinit { timer?.invalidate() }
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func status(for server: ServerDefinition) -> VMStatus { statuses[server.id] ?? .checking }
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func isBusy(_ server: ServerDefinition) -> Bool { busyServers.contains(server.id) }
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func add(_ server: ServerDefinition) { servers.append(server); Task { await refreshStatus(server) } }
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func update(_ server: ServerDefinition) { if let i = servers.firstIndex(where: { $0.id == server.id }) { servers[i] = server; Task { await refreshStatus(server) } } }
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func delete(at offsets: IndexSet) { for i in offsets { statuses[servers[i].id] = nil }; servers.remove(atOffsets: offsets) }
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func refreshAll() async { for server in servers { await refreshStatus(server) } }
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func refreshStatus(_ server: ServerDefinition) async {
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guard !isBusy(server) else { return }
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do {
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let output = try await runPrlctl(["status", server.vmName]); let value = output.lowercased()
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if value.contains("running") { statuses[server.id] = .running }
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else if value.contains("stopped") { statuses[server.id] = .stopped }
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else if value.contains("suspended") || value.contains("paused") { statuses[server.id] = .suspended }
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else { statuses[server.id] = .unavailable(output.trimmingCharacters(in: .whitespacesAndNewlines)) }
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} catch { statuses[server.id] = .unavailable(error.localizedDescription) }
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}
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func start(_ s: ServerDefinition) { perform(["start", s.vmName], server: s) }
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func stop(_ s: ServerDefinition) { perform(["stop", s.vmName], server: s) }
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func restart(_ s: ServerDefinition) { perform(["restart", s.vmName], server: s) }
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func forceStop(_ s: ServerDefinition) { perform(["stop", s.vmName, "--kill"], server: s) }
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private func perform(_ arguments: [String], server: ServerDefinition) {
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guard !isBusy(server) else { return }; busyServers.insert(server.id); statuses[server.id] = .transitioning; lastError = nil
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Task { do { _ = try await runPrlctl(arguments) } catch { lastError = error.localizedDescription }; busyServers.remove(server.id); try? await Task.sleep(for: .seconds(1)); await refreshStatus(server) }
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}
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func openSSH(_ s: ServerDefinition) {
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let userHost = "\(s.sshUser)@\(s.host)"
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var command = "/usr/bin/ssh -p \(s.sshPort)"
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let identity = s.sshIdentityFile.trimmingCharacters(in: .whitespacesAndNewlines)
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if !identity.isEmpty {
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command += " -i \(shellQuote((identity as NSString).expandingTildeInPath))"
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}
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command += " \(shellQuote(userHost))"
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do {
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// Terminal reliably opens executable .command files without requiring
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// Apple Events/Automation permission from this menu-bar application.
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let directory = FileManager.default.temporaryDirectory
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.appendingPathComponent("OrionToolbar", isDirectory: true)
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try FileManager.default.createDirectory(at: directory, withIntermediateDirectories: true)
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let safeName = s.name.replacingOccurrences(of: "/", with: "-")
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let scriptURL = directory.appendingPathComponent("SSH-\(safeName).command")
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let script = """
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#!/bin/zsh
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clear
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echo "Connecting to \(s.name) (\(userHost))..."
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exec \(command)
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"""
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try script.write(to: scriptURL, atomically: true, encoding: .utf8)
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try FileManager.default.setAttributes([.posixPermissions: 0o700], ofItemAtPath: scriptURL.path)
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guard let terminalURL = NSWorkspace.shared.urlForApplication(withBundleIdentifier: "com.apple.Terminal") else {
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lastError = "Terminal.app could not be found."
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return
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}
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let configuration = NSWorkspace.OpenConfiguration()
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configuration.activates = true
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NSWorkspace.shared.open([scriptURL], withApplicationAt: terminalURL, configuration: configuration) { _, error in
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Task { @MainActor in
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if let error { self.lastError = "Could not open Terminal: \(error.localizedDescription)" }
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}
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}
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} catch {
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lastError = "Could not create SSH launcher: \(error.localizedDescription)"
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}
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}
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private func shellQuote(_ value: String) -> String {
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"'" + value.replacingOccurrences(of: "'", with: "'\"'\"'") + "'"
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}
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func openMailpit(_ s: ServerDefinition) { if let p = s.mailpitPort, let url = URL(string: "http://\(s.host):\(p)") { NSWorkspace.shared.open(url) } }
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func openParallels() { NSWorkspace.shared.openApplication(at: URL(fileURLWithPath: "/Applications/Parallels Desktop.app"), configuration: .init()) }
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private func saveServers() { if let data = try? JSONEncoder().encode(servers) { UserDefaults.standard.set(data, forKey: defaultsKey) } }
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private func prlctlURL() -> URL? { ["/usr/local/bin/prlctl", "/Applications/Parallels Desktop.app/Contents/MacOS/prlctl"].map(URL.init(fileURLWithPath:)).first { FileManager.default.isExecutableFile(atPath: $0.path) } }
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private func runPrlctl(_ arguments: [String]) async throws -> String {
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guard let executable = prlctlURL() else { throw OrionError.prlctlNotFound }
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return try await Task.detached(priority: .userInitiated) { let p = Process(); let pipe = Pipe(); p.executableURL = executable; p.arguments = arguments; p.standardOutput = pipe; p.standardError = pipe; try p.run(); p.waitUntilExit(); let out = String(decoding: pipe.fileHandleForReading.readDataToEndOfFile(), as: UTF8.self); guard p.terminationStatus == 0 else { throw OrionError.commandFailed(out) }; return out }.value
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}
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}
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enum OrionError: LocalizedError { case prlctlNotFound, commandFailed(String); var errorDescription: String? { switch self { case .prlctlNotFound: "Parallels prlctl was not found."; case .commandFailed(let o): o.trimmingCharacters(in: .whitespacesAndNewlines) } } }
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