Implemented statistics. Refactored storage abstractions. Added config options for docker and local storage. Added server service and server updating.

MoonlightServers.Daemon/Configuration/DockerOptions.cs

@@ -0,0 +1,6 @@
+namespace MoonlightServers.Daemon.Configuration;
+
+public class DockerOptions
+{
+    public string SocketUri { get; set; } = "unix:///var/run/docker.sock";
+}

MoonlightServers.Daemon/Configuration/LocalStorageOptions.cs

@@ -0,0 +1,7 @@
+namespace MoonlightServers.Daemon.Configuration;
+
+public class LocalStorageOptions
+{
+    public string InstallPath { get; set; } = "/data/install";
+    public string RuntimePath { get; set; } = "/data/runtime";
+}

MoonlightServers.Daemon/MoonlightServers.Daemon.csproj

@@ -23,6 +23,9 @@
       <Compile Update="ServerSystem\Server.Delete.cs">
         <DependentUpon>Server.cs</DependentUpon>
       </Compile>
+      <Compile Update="ServerSystem\Server.Update.cs">
+        <DependentUpon>Server.cs</DependentUpon>
+      </Compile>
     </ItemGroup>
 
 </Project>

MoonlightServers.Daemon/Program.cs

@@ -14,6 +14,7 @@ builder.Logging.AddConsoleFormatter<AppConsoleFormatter, ConsoleFormatterOptions
 
 builder.Services.AddSingleton<ServerConfigurationService>();
 builder.Services.AddSingleton<ServerFactory>();
+builder.Services.AddSingleton<ServerService>();
 builder.Services.AddDockerServices();
 builder.Services.AddLocalServices();
 
@@ -31,23 +32,26 @@ Task.Run(async () =>
 
     try
     {
-        var factory = app.Services.GetRequiredService<ServerFactory>();
+        var serverService = app.Services.GetRequiredService<ServerService>();
-        var server = await factory.CreateAsync("a0e3ddb4-2c72-4f4c-bc49-35650a4bc5c0");
 
-        await server.InitializeAsync();
+        await serverService.SyncAsync("a0e3ddb4-2c72-4f4c-bc49-35650a4bc5c0");
+        await serverService.SyncAsync("a0e3ddb4-2c72-4f4c-bc49-35650a4bc5c0");
+
+        var server = await serverService.GetAsync("a0e3ddb4-2c72-4f4c-bc49-35650a4bc5c0");
+        
+        if(server == null)
+            return;
 
         Console.WriteLine($"Server: {server.State}");
         
-        Console.ReadLine();
-
         if (server.State == ServerState.Offline)
             await server.StartAsync();
         else
             await server.StopAsync();
 
         Console.ReadLine();
-
+        
-        await server.DisposeAsync();
+        await serverService.DeleteAsync("a0e3ddb4-2c72-4f4c-bc49-35650a4bc5c0");
     }
     catch (Exception e)
     {

MoonlightServers.Daemon/ServerSystem/Abstractions/IInstallStatistics.cs

@@ -1,6 +1,6 @@
 namespace MoonlightServers.Daemon.ServerSystem.Abstractions;
 
-public interface IInstallStatistics
+public interface IInstallStatistics : IAsyncDisposable
 {
     public event Func<ServerStatistics, Task>? OnStatisticsReceived;
     

MoonlightServers.Daemon/ServerSystem/Abstractions/IInstallStorage.cs

@@ -2,5 +2,5 @@ namespace MoonlightServers.Daemon.ServerSystem.Abstractions;
 
 public interface IInstallStorage
 {
-    public Task<string> GetHostPathAsync();
+    public Task<string> GetBindPathAsync();
 }

MoonlightServers.Daemon/ServerSystem/Abstractions/IRuntimeStatistics.cs

@@ -1,6 +1,6 @@
 namespace MoonlightServers.Daemon.ServerSystem.Abstractions;
 
-public interface IRuntimeStatistics
+public interface IRuntimeStatistics : IAsyncDisposable
 {
     public event Func<ServerStatistics, Task>? OnStatisticsReceived;
     

MoonlightServers.Daemon/ServerSystem/Abstractions/IRuntimeStorage.cs

@@ -2,5 +2,5 @@ namespace MoonlightServers.Daemon.ServerSystem.Abstractions;
 
 public interface IRuntimeStorage
 {
-    public Task<string> GetHostPathAsync();
+    public Task<string> GetBindPathAsync();
 }

MoonlightServers.Daemon/ServerSystem/Implementations/Docker/ContainerConfigMapper.cs

@@ -1,12 +1,11 @@
-using System.ComponentModel;
 using Docker.DotNet.Models;
 using MoonlightServers.Daemon.Models;
 
 namespace MoonlightServers.Daemon.ServerSystem.Implementations.Docker;
 
-public static class ConfigMapper
+public class ContainerConfigMapper
 {
-    public static CreateContainerParameters GetRuntimeConfig(
+    public CreateContainerParameters GetRuntimeConfig(
         string uuid,
         string name,
         RuntimeConfiguration configuration,
@@ -138,7 +137,7 @@ public static class ConfigMapper
         return parameters;
     }
 
-    public static CreateContainerParameters GetInstallConfig(
+    public CreateContainerParameters GetInstallConfig(
         string uuid,
         string name,
         RuntimeConfiguration runtimeConfiguration,
@@ -201,7 +200,7 @@ public static class ConfigMapper
         return parameters;
     }
 
-    private static void ApplySharedOptions(
+    private void ApplySharedOptions(
         CreateContainerParameters parameters,
         RuntimeConfiguration configuration
     )

MoonlightServers.Daemon/ServerSystem/Implementations/Docker/DockerConsole.cs

@@ -31,14 +31,15 @@ public class DockerConsole : IRuntimeConsole, IInstallConsole, IAsyncDisposable
         Logger = logger;
     }
 
+
     public async Task AttachAsync()
     {
-        // Fetch initial logs
+        // Fetch initial container logs
-        Logger.LogTrace("Fetching pre-existing logs from container");
+        Logger.LogTrace("Fetching initial container logs");
-        
+
-        var logResponse = await DockerClient.Containers.GetContainerLogsAsync(
+        using var logStream = await DockerClient.Containers.GetContainerLogsAsync(
             ContainerId,
-            new()
+            new ContainerLogsParameters()
             {
                 Follow = false,
                 ShowStderr = true,
@@ -46,94 +47,50 @@ public class DockerConsole : IRuntimeConsole, IInstallConsole, IAsyncDisposable
             }
         );
 
-        // Append to cache
+        // and process it
-        var logs = await logResponse.ReadOutputToEndAsync(Cts.Token);
+        await ProcessStreamAsync(logStream, Cts.Token);
 
-        await CacheLock.WaitAsync(Cts.Token);
+        // After that we can actually start streaming the new logs
-
+        Logger.LogTrace("Attaching to container");
-        try
-        {
-            Cache.Add(logs.stdout);
-            Cache.Add(logs.stderr);
-        }
-        finally
-        {
-            CacheLock.Release();
-        }
-
-        // Stream new logs
-        Logger.LogTrace("Starting log streaming");
         
+        Stream = await DockerClient.Containers.AttachContainerAsync(
+            ContainerId,
+            new ContainerAttachParameters()
+            {
+                Stderr = true,
+                Stdin = true,
+                Stdout = true,
+                Stream = true
+            },
+            Cts.Token
+        );
+
         Task.Run(async () =>
         {
-            var capturedCt = Cts.Token;
+            Logger.LogTrace("Entered streaming loop");
 
-            Logger.LogTrace("Starting attach loop");
+            while (!Cts.IsCancellationRequested)
-
-            while (!capturedCt.IsCancellationRequested)
             {
                 try
                 {
-                    using var stream = await DockerClient.Containers.AttachContainerAsync(
+                    if (Stream == null) // Triggers when e.g. a connection issue occurs cause the catch clause resets the stream
-                        ContainerId,
-                        new ContainerAttachParameters()
-                        {
-                            Stderr = true,
-                            Stdin = true,
-                            Stdout = true,
-                            Stream = true
-                        },
-                        capturedCt
-                    );
-
-                    // Make stream accessible from the outside
-                    Stream = stream;
-
-                    const int bufferSize = 1024;
-                    var buffer = ArrayPool<byte>.Shared.Rent(bufferSize);
-
-                    while (!capturedCt.IsCancellationRequested)
                     {
-                        try
+                        Logger.LogTrace("Reattaching to container");
-                        {
-                            var readResult = await stream.ReadOutputAsync(buffer, 0, bufferSize, capturedCt);
 
-                            if (readResult.Count > 0)
+                        Stream = await DockerClient.Containers.AttachContainerAsync(
+                            ContainerId,
+                            new ContainerAttachParameters()
                             {
-                                var decodedBuffer = Encoding.UTF8.GetString(buffer, 0, readResult.Count);
+                                Stderr = true,
-
+                                Stdin = true,
-                                await CacheLock.WaitAsync(capturedCt);
+                                Stdout = true,
-
+                                Stream = true
-                                try
+                            },
-                                {
+                            Cts.Token
-                                    if (Cache.Count > 300)
+                        );
-                                        Cache.RemoveRange(0, 50);
-
-                                    Cache.Add(decodedBuffer);
-                                }
-                                finally
-                                {
-                                    CacheLock.Release();
-                                }
-
-                                if (OnOutput != null)
-                                    await OnOutput.Invoke(decodedBuffer);
-                            }
-
-                            if (readResult.EOF)
-                                break;
-                        }
-                        catch (OperationCanceledException)
-                        {
-                            // Ignored
-                        }
-                        catch (Exception e)
-                        {
-                            Logger.LogError(e, "An unhandled error occured while processing container stream");
-                        }
                     }
 
-                    ArrayPool<byte>.Shared.Return(buffer);
+                    await ProcessStreamAsync(Stream, Cts.Token);
                 }
                 catch (OperationCanceledException)
                 {
@@ -141,14 +98,57 @@ public class DockerConsole : IRuntimeConsole, IInstallConsole, IAsyncDisposable
                 }
                 catch (Exception e)
                 {
-                    Logger.LogError(e, "An unhandled error occured while handling container attaching");
+                    Logger.LogError(e, "An unhandled error occured while processing container stream");
+                }
+                finally
+                {
+                    Stream?.Dispose();
+                    Stream = null;
                 }
             }
 
-            Logger.LogTrace("Attach loop exited");
+            Logger.LogTrace("Exited streaming loop");
         });
     }
 
+    private async Task ProcessStreamAsync(MultiplexedStream stream, CancellationToken cancellationToken)
+    {
+        const int bufferSize = 1024;
+        var buffer = ArrayPool<byte>.Shared.Rent(bufferSize);
+
+        while (!cancellationToken.IsCancellationRequested)
+        {
+            var readResult = await stream.ReadOutputAsync(buffer, 0, bufferSize, cancellationToken);
+
+            if (readResult.Count > 0)
+            {
+                var decodedBuffer = Encoding.UTF8.GetString(buffer, 0, readResult.Count);
+
+                await CacheLock.WaitAsync(cancellationToken);
+
+                try
+                {
+                    if (Cache.Count > 300)
+                        Cache.RemoveRange(0, 50);
+
+                    Cache.Add(decodedBuffer);
+                }
+                finally
+                {
+                    CacheLock.Release();
+                }
+
+                if (OnOutput != null)
+                    await OnOutput.Invoke(decodedBuffer);
+            }
+
+            if (readResult.EOF)
+                break;
+        }
+
+        ArrayPool<byte>.Shared.Return(buffer);
+    }
+    
     public async Task WriteInputAsync(string value)
     {
         if (Stream == null)
@@ -188,6 +188,8 @@ public class DockerConsole : IRuntimeConsole, IInstallConsole, IAsyncDisposable
 
     public async ValueTask DisposeAsync()
     {
+        Logger.LogTrace("Disposing");
+
         await Cts.CancelAsync();
         Stream?.Dispose();
         CacheLock.Dispose();

MoonlightServers.Daemon/ServerSystem/Implementations/Docker/DockerInstallEnv.cs

@@ -27,7 +27,7 @@ public class DockerInstallEnv : IInstallEnvironment
         Logger = logger;
         EventService = eventService;
         
-        InnerStatistics = new DockerStatistics();
+        InnerStatistics = new DockerStatistics(containerId, dockerClient, logger);
         InnerConsole = new DockerConsole(containerId,  dockerClient, logger);
 
         EventService.OnContainerDied += HandleDieEventAsync;
@@ -59,5 +59,6 @@ public class DockerInstallEnv : IInstallEnvironment
         EventService.OnContainerDied -= HandleDieEventAsync;
          
         await InnerConsole.DisposeAsync();
+        await InnerStatistics.DisposeAsync();
     }
 }

MoonlightServers.Daemon/ServerSystem/Implementations/Docker/DockerInstallEnvService.cs

@@ -9,15 +9,21 @@ public class DockerInstallEnvService : IInstallEnvironmentService
     private readonly DockerClient DockerClient;
     private readonly ILoggerFactory LoggerFactory;
     private readonly DockerEventService DockerEventService;
+    private readonly ContainerConfigMapper ConfigMapper;
 
     private const string NameTemplate = "ml-install-{0}";
 
-    public DockerInstallEnvService(DockerClient dockerClient, ILoggerFactory loggerFactory,
+    public DockerInstallEnvService(
-        DockerEventService dockerEventService)
+        DockerClient dockerClient,
+        ILoggerFactory loggerFactory,
+        DockerEventService dockerEventService,
+        ContainerConfigMapper configMapper
+    )
     {
         DockerClient = dockerClient;
         LoggerFactory = loggerFactory;
         DockerEventService = dockerEventService;
+        ConfigMapper = configMapper;
     }
 
     public async Task<IInstallEnvironment?> FindAsync(string id)
@@ -28,8 +34,7 @@ public class DockerInstallEnvService : IInstallEnvironmentService
                 string.Format(NameTemplate, id)
             );
 
-            var logger =
+            var logger = LoggerFactory.CreateLogger($"MoonlightServers.Daemon.ServerSystem.Implementations.Docker({id})");
-                LoggerFactory.CreateLogger($"MoonlightServers.Daemon.ServerSystem.Implementations.Docker({id})");
 
             return new DockerInstallEnv(dockerInspect.ID, DockerClient, logger, DockerEventService);
         }
@@ -63,8 +68,8 @@ public class DockerInstallEnvService : IInstallEnvironmentService
             // Ignored
         }
 
-        var runtimeStoragePath = await runtimeStorage.GetHostPathAsync();
+        var runtimeStoragePath = await runtimeStorage.GetBindPathAsync();
-        var installStoragePath = await installStorage.GetHostPathAsync();
+        var installStoragePath = await installStorage.GetBindPathAsync();
 
         var parameters = ConfigMapper.GetInstallConfig(
             id,
@@ -74,7 +79,7 @@ public class DockerInstallEnvService : IInstallEnvironmentService
             runtimeStoragePath,
             installStoragePath
         );
-        
+
         var container = await DockerClient.Containers.CreateContainerAsync(parameters);
 
         var logger = LoggerFactory.CreateLogger($"MoonlightServers.Daemon.ServerSystem.Implementations.Docker({id})");

MoonlightServers.Daemon/ServerSystem/Implementations/Docker/DockerRuntimeEnv.cs

@@ -25,7 +25,7 @@ public class DockerRuntimeEnv : IRuntimeEnvironment
         DockerClient = dockerClient;
         EventService = eventService;
 
-        InnerStatistics = new DockerStatistics();
+        InnerStatistics = new DockerStatistics(containerId, dockerClient, logger);
         InnerConsole = new DockerConsole(containerId,  dockerClient, logger);
 
         EventService.OnContainerDied += HandleDieEventAsync;
@@ -57,5 +57,6 @@ public class DockerRuntimeEnv : IRuntimeEnvironment
         EventService.OnContainerDied -= HandleDieEventAsync;
         
         await InnerConsole.DisposeAsync();
+        await InnerStatistics.DisposeAsync();
     }
 }

MoonlightServers.Daemon/ServerSystem/Implementations/Docker/DockerRuntimeEnvService.cs

@@ -9,15 +9,21 @@ public class DockerRuntimeEnvService : IRuntimeEnvironmentService
     private readonly DockerClient DockerClient;
     private readonly ILoggerFactory LoggerFactory;
     private readonly DockerEventService DockerEventService;
+    private readonly ContainerConfigMapper ConfigMapper;
 
     private const string NameTemplate = "ml-runtime-{0}";
 
-    public DockerRuntimeEnvService(DockerClient dockerClient, ILoggerFactory loggerFactory,
+    public DockerRuntimeEnvService(
-        DockerEventService dockerEventService)
+        DockerClient dockerClient,
+        ILoggerFactory loggerFactory,
+        DockerEventService dockerEventService,
+        ContainerConfigMapper configMapper
+    )
     {
         DockerClient = dockerClient;
         LoggerFactory = loggerFactory;
         DockerEventService = dockerEventService;
+        ConfigMapper = configMapper;
     }
 
     public async Task<IRuntimeEnvironment?> FindAsync(string id)
@@ -28,8 +34,7 @@ public class DockerRuntimeEnvService : IRuntimeEnvironmentService
                 string.Format(NameTemplate, id)
             );
 
-            var logger =
+            var logger = LoggerFactory.CreateLogger($"MoonlightServers.Daemon.ServerSystem.Implementations.Docker({id})");
-                LoggerFactory.CreateLogger($"MoonlightServers.Daemon.ServerSystem.Implementations.Docker({id})");
 
             return new DockerRuntimeEnv(dockerInspect.ID, DockerClient, logger, DockerEventService);
         }
@@ -61,7 +66,7 @@ public class DockerRuntimeEnvService : IRuntimeEnvironmentService
             // Ignored
         }
 
-        var storagePath = await storage.GetHostPathAsync();
+        var storagePath = await storage.GetBindPathAsync();
 
         var parameters = ConfigMapper.GetRuntimeConfig(
             id,
@@ -78,9 +83,7 @@ public class DockerRuntimeEnvService : IRuntimeEnvironmentService
     }
 
     public Task UpdateAsync(IRuntimeEnvironment environment, RuntimeConfiguration configuration)
-    {
+        => Task.CompletedTask;
-        throw new NotImplementedException();
-    }
 
     public async Task DeleteAsync(IRuntimeEnvironment environment)
     {

MoonlightServers.Daemon/ServerSystem/Implementations/Docker/DockerStatistics.cs

@@ -1,3 +1,5 @@
+using Docker.DotNet;
+using Docker.DotNet.Models;
 using MoonlightServers.Daemon.ServerSystem.Abstractions;
 
 namespace MoonlightServers.Daemon.ServerSystem.Implementations.Docker;
@@ -6,9 +8,186 @@ public class DockerStatistics : IRuntimeStatistics, IInstallStatistics
 {
     public event Func<ServerStatistics, Task>? OnStatisticsReceived;
 
-    public Task AttachAsync() => Task.CompletedTask;
+    private readonly string ContainerId;
+    private readonly DockerClient DockerClient;
+    private readonly ILogger Logger;
 
-    public Task ClearCacheAsync() => Task.CompletedTask;
+    private readonly List<ServerStatistics> Cache = new(102);
+    private readonly SemaphoreSlim CacheLock = new(1, 1);
+    private readonly CancellationTokenSource Cts = new();
 
-    public Task<ServerStatistics[]> GetCacheAsync() =>  Task.FromResult<ServerStatistics[]>([]);
+    public DockerStatistics(string containerId, DockerClient dockerClient, ILogger logger)
+    {
+        ContainerId = containerId;
+        DockerClient = dockerClient;
+        Logger = logger;
+    }
+
+    public Task AttachAsync()
+    {
+        Task.Run(async () =>
+        {
+            Logger.LogTrace("Streaming loop entered");
+
+            while (!Cts.IsCancellationRequested)
+            {
+                try
+                {
+                    await DockerClient.Containers.GetContainerStatsAsync(
+                        ContainerId,
+                        new ContainerStatsParameters()
+                        {
+                            Stream = true
+                        },
+                        new Progress<ContainerStatsResponse>(HandleStatsAsync),
+                        Cts.Token
+                    );
+                }
+                catch (OperationCanceledException)
+                {
+                    // Ignored
+                }
+                catch (Exception e)
+                {
+                    Logger.LogError(e, "An unhandled error occured while processing container stats");
+                }
+            }
+
+            Logger.LogTrace("Streaming loop exited");
+        });
+
+        return Task.CompletedTask;
+    }
+
+    private async void HandleStatsAsync(ContainerStatsResponse statsResponse)
+    {
+        try
+        {
+            var convertedStats = ToServerStatistics(statsResponse);
+
+            await CacheLock.WaitAsync();
+
+            try
+            {
+                if(Cache.Count > 100)
+                    Cache.RemoveRange(0, 30);
+                
+                Cache.Add(convertedStats);
+            }
+            finally
+            {
+                CacheLock.Release();
+            }
+
+            if (OnStatisticsReceived != null)
+                await OnStatisticsReceived.Invoke(convertedStats);
+        }
+        catch (Exception e)
+        {
+            Logger.LogError(e, "An unhandled error occured while handling container stats");
+        }
+    }
+
+    public async Task ClearCacheAsync()
+    {
+        await CacheLock.WaitAsync();
+
+        try
+        {
+            Cache.Clear();
+        }
+        finally
+        {
+            CacheLock.Release();
+        }
+    }
+
+    public async Task<ServerStatistics[]> GetCacheAsync()
+    {
+        await CacheLock.WaitAsync();
+
+        try
+        {
+            return Cache.ToArray();
+        }
+        finally
+        {
+            CacheLock.Release();
+        }
+    }
+
+    // Helpers
+    public static ServerStatistics ToServerStatistics(ContainerStatsResponse stats)
+    {
+        double cpuUsage = CalculateCpuUsage(stats);
+
+        ulong usedMemory = stats.MemoryStats?.Usage ?? 0;
+        ulong totalMemory = stats.MemoryStats?.Limit ?? 0;
+
+        ulong outgoingNetwork = 0;
+        ulong ingoingNetwork = 0;
+
+        if (stats.Networks != null)
+        {
+            foreach (var network in stats.Networks.Values)
+            {
+                if (network == null)
+                    continue;
+
+                outgoingNetwork += network.TxBytes;
+                ingoingNetwork += network.RxBytes;
+            }
+        }
+
+        ulong writeDisk = stats.StorageStats?.WriteSizeBytes ?? 0;
+        ulong readDisk = stats.StorageStats?.ReadSizeBytes ?? 0;
+
+        return new ServerStatistics(
+            CpuUsage: cpuUsage,
+            UsedMemory: usedMemory,
+            TotalMemory: totalMemory,
+            OutgoingNetwork: outgoingNetwork,
+            IngoingNetwork: ingoingNetwork,
+            WriteDisk: writeDisk,
+            ReadDisk: readDisk
+        );
+    }
+
+    private static double CalculateCpuUsage(ContainerStatsResponse stats)
+    {
+        var cpuStats = stats.CPUStats;
+        var preCpuStats = stats.PreCPUStats;
+
+        if (cpuStats == null || preCpuStats == null)
+            return 0;
+
+        var cpuUsage = cpuStats.CPUUsage;
+        var preCpuUsage = preCpuStats.CPUUsage;
+
+        if (cpuUsage == null || preCpuUsage == null)
+            return 0;
+
+        ulong cpuDelta = cpuUsage.TotalUsage - preCpuUsage.TotalUsage;
+        ulong systemDelta = cpuStats.SystemUsage - preCpuStats.SystemUsage;
+
+        if (systemDelta == 0 || cpuDelta == 0)
+            return 0;
+
+        uint onlineCpus = cpuStats.OnlineCPUs;
+
+        if (onlineCpus == 0 && cpuUsage.PercpuUsage != null)
+        {
+            onlineCpus = (uint)cpuUsage.PercpuUsage.Count;
+        }
+
+        if (onlineCpus == 0)
+            onlineCpus = 1;
+
+        return (double)cpuDelta / systemDelta * onlineCpus * 100.0;
+    }
+
+    public async ValueTask DisposeAsync()
+    {
+        await Cts.CancelAsync();
+    }
 }

MoonlightServers.Daemon/ServerSystem/Implementations/Docker/Extensions.cs

@@ -1,4 +1,6 @@
 using Docker.DotNet;
+using Microsoft.Extensions.Options;
+using MoonlightServers.Daemon.Configuration;
 using MoonlightServers.Daemon.ServerSystem.Abstractions;
 
 namespace MoonlightServers.Daemon.ServerSystem.Implementations.Docker;
@@ -7,16 +9,23 @@ public static class Extensions
 {
     public static void AddDockerServices(this IServiceCollection collection)
     {
-        var client = new DockerClientBuilder()
+        collection.AddOptions<DockerOptions>().BindConfiguration("Moonlight:Docker");
-            .WithEndpoint(new Uri("unix:///var/run/docker.sock"))
-            .Build();
 
-        collection.AddSingleton(client);
+        collection.AddSingleton(sp =>
+        {
+            var options = sp.GetRequiredService<IOptions<DockerOptions>>();
+            
+            return new DockerClientBuilder()
+                .WithEndpoint(new Uri(options.Value.SocketUri))
+                .Build();
+        });
 
         collection.AddSingleton<DockerEventService>();
         collection.AddHostedService(sp => sp.GetRequiredService<DockerEventService>());
 
         collection.AddSingleton<IRuntimeEnvironmentService, DockerRuntimeEnvService>();
         collection.AddSingleton<IInstallEnvironmentService, DockerInstallEnvService>();
+
+        collection.AddSingleton<ContainerConfigMapper>();
     }
 }

MoonlightServers.Daemon/ServerSystem/Implementations/Local/Extensions.cs

@@ -1,3 +1,4 @@
+using MoonlightServers.Daemon.Configuration;
 using MoonlightServers.Daemon.ServerSystem.Abstractions;
 
 namespace MoonlightServers.Daemon.ServerSystem.Implementations.Local;
@@ -8,5 +9,7 @@ public static class Extensions
     {
         services.AddSingleton<IRuntimeStorageService, LocalRuntimeStorageService>();
         services.AddSingleton<IInstallStorageService, LocalInstallStorageService>();
+
+        services.AddOptions<LocalStorageOptions>().BindConfiguration("Moonlight:LocalStorage");
     }
 }

MoonlightServers.Daemon/ServerSystem/Implementations/Local/LocalInstallStorage.cs

@@ -4,12 +4,12 @@ namespace MoonlightServers.Daemon.ServerSystem.Implementations.Local;
 
 public class LocalInstallStorage : IInstallStorage
 {
-    public string HostPath { get; }
+    public string BindPath { get; }
 
-    public LocalInstallStorage(string hostPath)
+    public LocalInstallStorage(string bindPath)
     {
-        HostPath = hostPath;
+        BindPath = bindPath;
     }
 
-    public Task<string> GetHostPathAsync() => Task.FromResult(HostPath);
+    public Task<string> GetBindPathAsync() => Task.FromResult(BindPath);
 }

MoonlightServers.Daemon/ServerSystem/Implementations/Local/LocalInstallStorageService.cs

@@ -1,3 +1,5 @@
+using Microsoft.Extensions.Options;
+using MoonlightServers.Daemon.Configuration;
 using MoonlightServers.Daemon.Models;
 using MoonlightServers.Daemon.ServerSystem.Abstractions;
 
@@ -5,11 +7,16 @@ namespace MoonlightServers.Daemon.ServerSystem.Implementations.Local;
 
 public class LocalInstallStorageService : IInstallStorageService
 {
-    private const string HostPathTemplate = "./mldaemon/install/{0}";
+    private readonly IOptions<LocalStorageOptions> Options;
-    
+
+    public LocalInstallStorageService(IOptions<LocalStorageOptions> options)
+    {
+        Options = options;
+    }
+
     public Task<IInstallStorage?> FindAsync(string id)
     {
-        var path = string.Format(HostPathTemplate, id);
+        var path = Path.Combine(Options.Value.InstallPath, id);
 
         if (!Directory.Exists(path))
             return Task.FromResult<IInstallStorage?>(null);
@@ -19,7 +26,7 @@ public class LocalInstallStorageService : IInstallStorageService
 
     public Task<IInstallStorage> CreateAsync(string id, RuntimeConfiguration runtimeConfiguration, InstallConfiguration installConfiguration)
     {
-        var path = string.Format(HostPathTemplate, id);
+        var path = Path.Combine(Options.Value.InstallPath, id);
 
         Directory.CreateDirectory(path);
 
@@ -35,8 +42,8 @@ public class LocalInstallStorageService : IInstallStorageService
             );
         }
         
-        if(Directory.Exists(localInstallStorage.HostPath))
+        if(Directory.Exists(localInstallStorage.BindPath))
-            Directory.Delete(localInstallStorage.HostPath, true);
+            Directory.Delete(localInstallStorage.BindPath, true);
         
         return Task.CompletedTask;
     }

MoonlightServers.Daemon/ServerSystem/Implementations/Local/LocalRuntimeStorage.cs

@@ -4,12 +4,12 @@ namespace MoonlightServers.Daemon.ServerSystem.Implementations.Local;
 
 public class LocalRuntimeStorage : IRuntimeStorage
 {
-    public string HostPath { get; }
+    public string BindPath { get; }
 
-    public LocalRuntimeStorage(string hostPath)
+    public LocalRuntimeStorage(string bindPath)
     {
-        HostPath = hostPath;
+        BindPath = bindPath;
     }
 
-    public Task<string> GetHostPathAsync() => Task.FromResult(HostPath);
+    public Task<string> GetBindPathAsync() => Task.FromResult(BindPath);
 }

MoonlightServers.Daemon/ServerSystem/Implementations/Local/LocalRuntimeStorageService.cs

@@ -1,3 +1,5 @@
+using Microsoft.Extensions.Options;
+using MoonlightServers.Daemon.Configuration;
 using MoonlightServers.Daemon.Models;
 using MoonlightServers.Daemon.ServerSystem.Abstractions;
 
@@ -5,11 +7,16 @@ namespace MoonlightServers.Daemon.ServerSystem.Implementations.Local;
 
 public class LocalRuntimeStorageService : IRuntimeStorageService
 {
-    private const string HostPathTemplate = "./mldaemon/runtime/{0}";
+    private readonly IOptions<LocalStorageOptions> Options;
+
+    public LocalRuntimeStorageService(IOptions<LocalStorageOptions> options)
+    {
+        Options = options;
+    }
 
     public Task<IRuntimeStorage?> FindAsync(string id)
     {
-        var path = string.Format(HostPathTemplate, id);
+        var path = Path.Combine(Options.Value.RuntimePath, id);
 
         if (!Directory.Exists(path))
             return Task.FromResult<IRuntimeStorage?>(null);
@@ -19,7 +26,7 @@ public class LocalRuntimeStorageService : IRuntimeStorageService
 
     public Task<IRuntimeStorage> CreateAsync(string id, RuntimeConfiguration configuration)
     {
-        var path = string.Format(HostPathTemplate, id);
+        var path = Path.Combine(Options.Value.RuntimePath, id);
 
         Directory.CreateDirectory(path);
 
@@ -38,8 +45,8 @@ public class LocalRuntimeStorageService : IRuntimeStorageService
             );
         }
         
-        if(Directory.Exists(localRuntimeStorage.HostPath))
+        if(Directory.Exists(localRuntimeStorage.BindPath))
-            Directory.Delete(localRuntimeStorage.HostPath, true);
+            Directory.Delete(localRuntimeStorage.BindPath, true);
         
         return Task.CompletedTask;
     }

MoonlightServers.Daemon/ServerSystem/Server.Install.cs

@@ -74,7 +74,7 @@ public partial class Server
             InstallStorage = await InstallStorageService.CreateAsync(Uuid, RuntimeConfiguration, InstallConfiguration);
             
             // Write install script
-            var installStoragePath = await InstallStorage.GetHostPathAsync();
+            var installStoragePath = await InstallStorage.GetBindPathAsync();
 
             await File.WriteAllTextAsync(
                 Path.Combine(installStoragePath, "install.sh"),

MoonlightServers.Daemon/ServerSystem/Server.Update.cs

@@ -0,0 +1,34 @@
+namespace MoonlightServers.Daemon.ServerSystem;
+
+public partial class Server
+{
+    public async Task UpdateAsync()
+    {
+        await Lock.WaitAsync();
+
+        try
+        {
+            if (State is ServerState.Online or ServerState.Starting or ServerState.Stopping)
+            {
+                Logger.LogTrace("Fetching latest runtime configuration");
+                RuntimeConfiguration = await ConfigurationService.GetRuntimeConfigurationAsync(Uuid);
+                
+                if (RuntimeEnvironment != null)
+                {
+                    Logger.LogTrace("Updating runtime environment");
+                    await RuntimeEnvironmentService.UpdateAsync(RuntimeEnvironment, RuntimeConfiguration);   
+                }
+
+                if (RuntimeStorage != null)
+                {
+                    Logger.LogTrace("Updating runtime storage");
+                    await RuntimeStorageService.UpdateAsync(RuntimeStorage, RuntimeConfiguration);
+                }
+            }
+        }
+        finally
+        {
+            Lock.Release();
+        }
+    }
+}

MoonlightServers.Daemon/ServerSystem/Server.cs

@@ -67,11 +67,12 @@ public partial class Server : IAsyncDisposable
 
     private async Task OnConsoleMessageAsync(string message)
     {
-        Console.WriteLine($"Console: {message}");
+        Console.Write($"Console: {message}");
     }
 
     private async Task OnStatisticsReceivedAsync(ServerStatistics statistics)
     {
+        Logger.LogTrace("{cpu:F} {used:F} {total:F}", statistics.CpuUsage, statistics.UsedMemory / 1024 / 1024, statistics.TotalMemory / 1024 / 1024);
     }
 
     private Task ChangeStateAsync(ServerState newState)
@@ -88,7 +89,7 @@ public partial class Server : IAsyncDisposable
 
         if (RuntimeEnvironment != null)
         {
-            Logger.LogTrace("Detaching and disposing runtime environment");
+            Logger.LogTrace("Detaching events and disposing runtime environment");
 
             RuntimeEnvironment.Console.OnOutput -= OnConsoleMessageAsync;
             RuntimeEnvironment.Statistics.OnStatisticsReceived -= OnStatisticsReceivedAsync;
@@ -99,7 +100,7 @@ public partial class Server : IAsyncDisposable
 
         if (InstallEnvironment != null)
         {
-            Logger.LogTrace("Detaching and disposing install environment");
+            Logger.LogTrace("Detaching events and disposing install environment");
 
             InstallEnvironment.Console.OnOutput -= OnConsoleMessageAsync;
             InstallEnvironment.Statistics.OnStatisticsReceived -= OnStatisticsReceivedAsync;

MoonlightServers.Daemon/ServerSystem/ServerStatistics.cs

@@ -1,3 +1,11 @@
 namespace MoonlightServers.Daemon.ServerSystem;
 
-public record ServerStatistics();
+public record ServerStatistics(
+    double CpuUsage,
+    ulong UsedMemory,
+    ulong TotalMemory,
+    ulong OutgoingNetwork,
+    ulong IngoingNetwork,
+    ulong WriteDisk,
+    ulong ReadDisk
+);

MoonlightServers.Daemon/Services/ServerConfigurationService.cs

@@ -44,7 +44,7 @@ public class ServerConfigurationService
         return new InstallConfiguration(
             "bash",
             "installer",
-            await File.ReadAllTextAsync("/home/chiara/Documents/daemonScripts/install.sh")
+            "#!/bin/bash\n# Paper Installation Script\n#\necho -e \"Started Installation\"\n\n# Server Files: /mnt/server\nPROJECT=paper\n\nif [ \"${MINECRAFT_VERSION}\" == \"latest\" ]; then\n    LATEST_VERSION=$(curl -s https://api.papermc.io/v2/projects/${PROJECT} | jq -r '.versions[-1]')\n    MINECRAFT_VERSION=${LATEST_VERSION}\nfi\n\nGET_BUILD=$(curl -s https://api.papermc.io/v2/projects/${PROJECT}/versions/${MINECRAFT_VERSION} | jq -r '.builds[-1]')\nBUILD_NUMBER=${GET_BUILD}\n\n\nJAR_NAME=${PROJECT}-${MINECRAFT_VERSION}-${BUILD_NUMBER}.jar\n\necho \"Version being downloaded\"\necho -e \"MC Version: ${MINECRAFT_VERSION}\"\necho -e \"Build: ${BUILD_NUMBER}\"\necho -e \"JAR Name of Build: ${JAR_NAME}\"\nDOWNLOAD_URL=https://api.papermc.io/v2/projects/${PROJECT}/versions/${MINECRAFT_VERSION}/builds/${BUILD_NUMBER}/downloads/${JAR_NAME}\n\ncd /mnt/server\n\necho -e \"Running curl -o ${SERVER_JARFILE} ${DOWNLOAD_URL}\"\n\nif [ -f ${SERVER_JARFILE} ]; then\n    mv ${SERVER_JARFILE} ${SERVER_JARFILE}.old\nfi\n\ncurl -o ${SERVER_JARFILE} ${DOWNLOAD_URL}\n"
         );
     }
 }

MoonlightServers.Daemon/Services/ServerService.cs

@@ -0,0 +1,67 @@
+using System.Collections.Concurrent;
+using MoonlightServers.Daemon.ServerSystem;
+
+namespace MoonlightServers.Daemon.Services;
+
+public class ServerService : IAsyncDisposable
+{
+    private readonly ServerFactory ServerFactory;
+    private readonly ConcurrentDictionary<string, Server> Servers = new();
+    private readonly ILogger<ServerService> Logger;
+
+    public ServerService(ServerFactory serverFactory, ILogger<ServerService> logger)
+    {
+        ServerFactory = serverFactory;
+        Logger = logger;
+    }
+
+    public async Task SyncAsync(string uuid)
+    {
+        if (Servers.TryGetValue(uuid, out var server))
+        {
+            Logger.LogTrace("Updating existing server {uuid}", uuid);
+            
+            await server.UpdateAsync();
+        }
+        else
+        {
+            Logger.LogTrace("Creating new server instance {uuid}", uuid);
+            
+            var newServer = await ServerFactory.CreateAsync(uuid);
+            await newServer.InitializeAsync();
+
+            Servers[uuid] = newServer;
+        }
+    }
+
+    public Task<Server?> GetAsync(string uuid)
+    {
+        var server = Servers.GetValueOrDefault(uuid);
+        return Task.FromResult(server);
+    }
+
+    public async Task DeleteAsync(string uuid)
+    {
+        Logger.LogTrace("Deleting server {uuid}", uuid);
+        
+        var server = Servers.GetValueOrDefault(uuid);
+        
+        if(server == null)
+            return;
+
+        // Trigger internal deletion mechanism
+        await server.DeleteAsync();
+
+        // Dispose any left over resources
+        await server.DisposeAsync();
+
+        // Remove server from cache
+        Servers.TryRemove(uuid, out _);
+    }
+
+    public async ValueTask DisposeAsync()
+    {
+        foreach (var server in Servers)
+            await server.Value.DisposeAsync();
+    }
+}