tart/Sources/tart/Commands/Get.swift

47 lines
1.3 KiB
Swift

import ArgumentParser
import Foundation
fileprivate struct VMInfo: Encodable {
let OS: OS
let CPU: Int
let Memory: UInt64
let Disk: HumanReadableByteCount
let DiskFormat: String
let Size: HumanReadableByteCount
let Display: String
let Running: Bool
let State: String
}
struct Get: AsyncParsableCommand {
static var configuration = CommandConfiguration(commandName: "get", abstract: "Get a VM's configuration")
@Argument(help: "VM name.", completion: .custom(completeLocalMachines))
var name: String
@Option(help: "Output format: text or json")
var format: Format = .text
func run() async throws {
let vmDir = try VMStorageLocal().open(name)
let vmConfig = try VMConfig(fromURL: vmDir.configURL)
let memorySizeInMb = vmConfig.memorySize / 1024 / 1024
let info = VMInfo(
OS: vmConfig.os,
CPU: vmConfig.cpuCount,
Memory: memorySizeInMb,
Disk: HumanReadableByteCount(try vmDir.sizeBytes()) { $0 / 1000 / 1000 / 1000 },
DiskFormat: vmConfig.diskFormat.rawValue,
Size: HumanReadableByteCount(try vmDir.allocatedSizeBytes()) {
String(format: "%.3f", Float($0) / 1000 / 1000 / 1000)
},
Display: vmConfig.display.description,
Running: try vmDir.running(),
State: try vmDir.state().rawValue
)
print(format.renderSingle(info))
}
}