added app icon, introduce kubernetesservice interface and logging

K8sFileBrowser/Assets/about.txt

@@ -0,0 +1,6 @@
+This favicon was generated using the following font:
+
+- Font Title: Genos
+- Font Author: Copyright 2011 The Genos Project Authors (https://github.com/googlefonts/genos)
+- Font Source: http://fonts.gstatic.com/s/genos/v10/SlGNmQqPqpUOYTYjacb0Hc91fTwVA0_orUK6K7ZsAg.ttf
+- Font License: SIL Open Font License, 1.1 (http://scripts.sil.org/OFL))

K8sFileBrowser/K8sFileBrowser.csproj

@@ -8,6 +8,7 @@
         <AvaloniaUseCompiledBindingsByDefault>true</AvaloniaUseCompiledBindingsByDefault>
         <Configurations>Debug;Release</Configurations>
         <Platforms>AnyCPU</Platforms>
+        <ApplicationIcon>Assets/app.ico</ApplicationIcon>
     </PropertyGroup>
     <PropertyGroup Condition=" '$(Configuration)' == 'Debug' ">
       <DefineConstants>TRACE</DefineConstants>
@@ -28,7 +29,9 @@
         <PackageReference Include="Avalonia.ReactiveUI" Version="11.0.1" />
         <PackageReference Include="KubernetesClient" Version="11.0.44" />
         <PackageReference Include="Serilog" Version="3.0.1" />
+        <PackageReference Include="Serilog.Sinks.Async" Version="1.5.0" />
         <PackageReference Include="Serilog.Sinks.Console" Version="4.1.0" />
+        <PackageReference Include="Serilog.Sinks.File" Version="5.0.0" />
         <PackageReference Include="SharpZipLib" Version="1.4.2" />
     </ItemGroup>
 </Project>

K8sFileBrowser/Program.cs

@@ -16,8 +16,8 @@ class Program
         {
             Log.Logger = new LoggerConfiguration()
                 //.Filter.ByIncludingOnly(Matching.WithProperty("Area", LogArea.Control))
-                .MinimumLevel.Verbose()
-                .WriteTo.Console()
+                .MinimumLevel.Information()
+                .WriteTo.Async(a => a.File("app.log"))
                 .CreateLogger();
 
             BuildAvaloniaApp()

K8sFileBrowser/Services/IKubernetesService.cs

@@ -0,0 +1,20 @@
+// // Copyright (c) Vector Informatik GmbH. All rights reserved.
+
+using System.Collections.Generic;
+using System.Threading;
+using System.Threading.Tasks;
+using K8sFileBrowser.Models;
+
+namespace K8sFileBrowser.Services;
+
+public interface IKubernetesService
+{
+  IEnumerable<ClusterContext> GetClusterContexts();
+  string GetCurrentContext();
+  void SwitchClusterContext(ClusterContext clusterContext);
+  IEnumerable<Namespace> GetNamespaces();
+  IEnumerable<Pod> GetPods(string namespaceName);
+  IList<FileInformation> GetFiles(string namespaceName, string podName, string containerName, string path);
+  Task DownloadFile(Namespace? selectedNamespace, Pod? selectedPod, FileInformation selectedFile,
+    string? saveFileName, CancellationToken cancellationToken = default);
+}

K8sFileBrowser/Services/KubernetesService.cs

@@ -14,7 +14,7 @@ using static ICSharpCode.SharpZipLib.Core.StreamUtils;
 
 namespace K8sFileBrowser.Services;
 
-public class KubernetesService
+public class KubernetesService : IKubernetesService
 {
     private readonly K8SConfiguration _k8SConfiguration;
     private IKubernetes _kubernetesClient = null!;
@@ -98,9 +98,8 @@ public class KubernetesService
         _kubernetesClient = kubernetesClient;
     }
 
-
     public async Task DownloadFile(Namespace? selectedNamespace, Pod? selectedPod, FileInformation selectedFile,
-        string? saveFileName)
+        string? saveFileName, CancellationToken cancellationToken = default)
     {
         Log.Information("{SelectedNamespace} - {SelectedPod} - {SelectedFile} - {SaveFileName}",
             selectedNamespace, selectedPod, selectedFile, saveFileName);
@@ -111,7 +110,7 @@ public class KubernetesService
                 await using var outputFileStream = File.OpenWrite(saveFileName!);
                 await using var tarInputStream = new TarInputStream(stdOut, Encoding.Default);
 
-                var entry = await tarInputStream.GetNextEntryAsync(default);
+                var entry = await tarInputStream.GetNextEntryAsync(cancellationToken);
                 if (entry == null)
                 {
                     throw new IOException("Copy command failed: no files found");
@@ -119,7 +118,7 @@ public class KubernetesService
 
                 var bytes = new byte[entry.Size];
                 ReadFully( tarInputStream, bytes );
-                await outputFileStream.WriteAsync(bytes, default);
+                await outputFileStream.WriteAsync(bytes, cancellationToken);
             }
             catch (Exception ex)
             {
@@ -129,7 +128,7 @@ public class KubernetesService
             using var streamReader = new StreamReader(stdError);
             while (streamReader.EndOfStream == false)
             {
-                var error = await streamReader.ReadToEndAsync(default);
+                var error = await streamReader.ReadToEndAsync(cancellationToken);
                 Log.Error(error);
             }
         });

K8sFileBrowser/ViewModels/MainWindowViewModel.cs

@@ -15,6 +15,7 @@ public class MainWindowViewModel : ViewModelBase
   public IEnumerable<ClusterContext> ClusterContexts => _clusterContexts.Value;
 
   private ClusterContext? _selectedClusterContext;
+
   public ClusterContext? SelectedClusterContext
   {
     get => _selectedClusterContext;
@@ -25,6 +26,7 @@ public class MainWindowViewModel : ViewModelBase
   public IEnumerable<Namespace> Namespaces => _namespaces.Value;
 
   private Namespace? _selectedNamespace;
+
   public Namespace? SelectedNamespace
   {
     get => _selectedNamespace;
@@ -35,6 +37,7 @@ public class MainWindowViewModel : ViewModelBase
   public IEnumerable<Pod> Pods => _pods.Value;
 
   private Pod? _selectedPod;
+
   public Pod? SelectedPod
   {
     get => _selectedPod;
@@ -45,6 +48,7 @@ public class MainWindowViewModel : ViewModelBase
   public IEnumerable<FileInformation> FileInformation => _fileInformation.Value;
 
   private FileInformation? _selectedFile;
+
   public FileInformation? SelectedFile
   {
     get => _selectedFile;
@@ -52,6 +56,7 @@ public class MainWindowViewModel : ViewModelBase
   }
 
   private string? _selectedPath;
+
   public string? SelectedPath
   {
     get => _selectedPath;
@@ -59,6 +64,7 @@ public class MainWindowViewModel : ViewModelBase
   }
 
   private bool _isDownloadActive;
+
   public bool IsDownloadActive
   {
     get => _isDownloadActive;
@@ -72,7 +78,8 @@ public class MainWindowViewModel : ViewModelBase
 
   public MainWindowViewModel()
   {
-        var kubernetesService = new KubernetesService();
+    //TODO: use dependency injection to get the kubernetes service
+    IKubernetesService kubernetesService = new KubernetesService();
 
     var isFile = this
       .WhenAnyValue(x => x.SelectedFile, x => x.IsDownloadActive)
@@ -86,15 +93,15 @@ public class MainWindowViewModel : ViewModelBase
       .WhenAnyValue(x => x.SelectedPath, x => x.IsDownloadActive)
       .Select(x => x.Item1 is not "/" && !x.Item2);
 
-        OpenCommand = ReactiveCommand.Create(() =>
-        {
-            SelectedPath = SelectedFile != null ? SelectedFile!.Name : "/";
-        }, isDirectory, RxApp.MainThreadScheduler);
+    OpenCommand = ReactiveCommand.Create(() => { SelectedPath = SelectedFile != null ? SelectedFile!.Name : "/"; },
+      isDirectory, RxApp.MainThreadScheduler);
 
     DownloadCommand = ReactiveCommand.CreateFromTask(async () =>
     {
-          await Observable.StartAsync(async () => {
-            var fileName = SelectedFile!.Name.Substring(SelectedFile!.Name.LastIndexOf('/') + 1, SelectedFile!.Name.Length - SelectedFile!.Name.LastIndexOf('/') - 1);
+      await Observable.StartAsync(async () =>
+      {
+        var fileName = SelectedFile!.Name.Substring(SelectedFile!.Name.LastIndexOf('/') + 1,
+          SelectedFile!.Name.Length - SelectedFile!.Name.LastIndexOf('/') - 1);
         var saveFileName = await ApplicationHelper.SaveFile(".", fileName);
         if (saveFileName != null)
         {

K8sFileBrowser/Views/MainWindow.axaml

@@ -7,7 +7,7 @@
         mc:Ignorable="d" d:DesignWidth="800" d:DesignHeight="450"
         x:Class="K8sFileBrowser.Views.MainWindow"
         x:DataType="vm:MainWindowViewModel"
-        Icon="/Assets/avalonia-logo.ico"
+        Icon="/Assets/app.ico"
         Title="K8sFileBrowser">
 
     <Design.DataContext>