installer: wizard C# Windows d'installation guidee (WSL2, Podman, agent, desinstallation)

2026-06-28 20:49:57 +00:00
parent d2c3edea2f
commit 0f07a2d2a3
7 changed files with 1196 additions and 0 deletions
@@ -0,0 +1,142 @@
+using System.Diagnostics;
+using System.Management;
+using System.Runtime.InteropServices;
+
+namespace StudioE5.SetupWizard;
+
+public record PrerequisiteResult(
+    bool WindowsCompatible,
+    ulong RamMB,
+    ulong FreeDiskMB,
+    bool VirtualEnvironmentInstalled,
+    bool PodmanInstalled,
+    bool PodmanMachineReady)
+{
+    public bool AllReady => WindowsCompatible && RamMB >= 4096 && FreeDiskMB >= 5120 && VirtualEnvironmentInstalled && PodmanInstalled && PodmanMachineReady;
+}
+
+public static class PrerequisiteChecker
+{
+    public static PrerequisiteResult Check()
+    {
+        return new PrerequisiteResult(
+            WindowsCompatible: IsWindowsCompatible(),
+            RamMB: GetTotalPhysicalMemoryMB(),
+            FreeDiskMB: GetFreeDiskSpaceMB("C:\\"),
+            VirtualEnvironmentInstalled: IsWSLInstalled(),
+            PodmanInstalled: IsPodmanInstalled(),
+            PodmanMachineReady: IsPodmanMachineReady()
+        );
+    }
+
+    private static bool IsWindowsCompatible()
+    {
+        var os = Environment.OSVersion;
+        if (os.Platform != PlatformID.Win32NT)
+            return false;
+
+        // Windows 10 version 2004 (build 19041) or Windows 11.
+        return Environment.OSVersion.Version.Build >= 19041;
+    }
+
+    private static ulong GetTotalPhysicalMemoryMB()
+    {
+        try
+        {
+            using var searcher = new ManagementObjectSearcher("SELECT TotalVisibleMemorySize FROM Win32_OperatingSystem");
+            foreach (ManagementObject obj in searcher.Get())
+            {
+                var kb = Convert.ToUInt64(obj["TotalVisibleMemorySize"]);
+                return kb / 1024;
+            }
+        }
+        catch
+        {
+            // ignored
+        }
+        return 0;
+    }
+
+    private static ulong GetFreeDiskSpaceMB(string path)
+    {
+        try
+        {
+            var drive = new DriveInfo(Path.GetPathRoot(path) ?? path);
+            return (ulong)(drive.AvailableFreeSpace / (1024 * 1024));
+        }
+        catch
+        {
+            return 0;
+        }
+    }
+
+    private static bool IsWSLInstalled()
+    {
+        try
+        {
+            var psi = new ProcessStartInfo("wsl.exe", "--version")
+            {
+                UseShellExecute = false,
+                CreateNoWindow = true,
+                RedirectStandardOutput = true,
+                RedirectStandardError = true
+            };
+            using var process = Process.Start(psi);
+            if (process == null) return false;
+            process.WaitForExit();
+            return process.ExitCode == 0;
+        }
+        catch
+        {
+            return false;
+        }
+    }
+
+    private static bool IsPodmanInstalled()
+    {
+        try
+        {
+            var psi = new ProcessStartInfo("podman.exe", "--version")
+            {
+                UseShellExecute = false,
+                CreateNoWindow = true,
+                RedirectStandardOutput = true,
+                RedirectStandardError = true
+            };
+            using var process = Process.Start(psi);
+            if (process == null) return false;
+            process.WaitForExit();
+            return process.ExitCode == 0;
+        }
+        catch
+        {
+            return false;
+        }
+    }
+
+    private static bool IsPodmanMachineReady()
+    {
+        try
+        {
+            var psi = new ProcessStartInfo("podman.exe", "machine list --format json")
+            {
+                UseShellExecute = false,
+                CreateNoWindow = true,
+                RedirectStandardOutput = true,
+                RedirectStandardError = true
+            };
+            using var process = Process.Start(psi);
+            if (process == null) return false;
+            var output = process.StandardOutput.ReadToEnd();
+            process.WaitForExit();
+            if (process.ExitCode != 0) return false;
+
+            // Very permissive check: if podman machine list returns any JSON, we consider it ready.
+            return output.TrimStart().StartsWith("[") || output.TrimStart().StartsWith("{");
+        }
+        catch
+        {
+            return false;
+        }
+    }
+}