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added app icon, introduce kubernetesservice interface and logging

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This commit is contained in:
Andreas Billmann
2023-08-01 20:39:25 +02:00
parent ee6544c641
commit 12ef9680d0
9 changed files with 189 additions and 154 deletions
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6
K8sFileBrowser/Assets/about.txt Normal file
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@@ -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))

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K8sFileBrowser/Assets/app.ico Normal file
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K8sFileBrowser/Assets/avalonia-logo.ico
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3
K8sFileBrowser/K8sFileBrowser.csproj
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@@ -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>

8
K8sFileBrowser/Program.cs
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@@ -16,10 +16,10 @@ 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()
.StartWithClassicDesktopLifetime(args);
}
@@ -30,7 +30,7 @@ class Program
}
finally
{
// This block is optional.
// This block is optional.
// Use the finally-block if you need to clean things up or similar
Log.CloseAndFlush();
}

20
K8sFileBrowser/Services/IKubernetesService.cs Normal file
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@@ -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);
}

15
K8sFileBrowser/Services/KubernetesService.cs
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@@ -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!;
@@ -98,11 +98,10 @@ 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}",
Log.Information("{SelectedNamespace} - {SelectedPod} - {SelectedFile} - {SaveFileName}",
selectedNamespace, selectedPod, selectedFile, saveFileName);
var handler = new ExecAsyncCallback(async (_, stdOut, stdError) =>
{
@@ -111,15 +110,15 @@ 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");
}
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);
}
});

287
K8sFileBrowser/ViewModels/MainWindowViewModel.cs
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@@ -11,154 +11,161 @@ namespace K8sFileBrowser.ViewModels;
public class MainWindowViewModel : ViewModelBase
{
private readonly ObservableAsPropertyHelper<IEnumerable<ClusterContext>> _clusterContexts;
public IEnumerable<ClusterContext> ClusterContexts => _clusterContexts.Value;
private readonly ObservableAsPropertyHelper<IEnumerable<ClusterContext>> _clusterContexts;
public IEnumerable<ClusterContext> ClusterContexts => _clusterContexts.Value;
private ClusterContext? _selectedClusterContext;
public ClusterContext? SelectedClusterContext
private ClusterContext? _selectedClusterContext;
public ClusterContext? SelectedClusterContext
{
get => _selectedClusterContext;
set => this.RaiseAndSetIfChanged(ref _selectedClusterContext, value);
}
private readonly ObservableAsPropertyHelper<IEnumerable<Namespace>> _namespaces;
public IEnumerable<Namespace> Namespaces => _namespaces.Value;
private Namespace? _selectedNamespace;
public Namespace? SelectedNamespace
{
get => _selectedNamespace;
set => this.RaiseAndSetIfChanged(ref _selectedNamespace, value);
}
private readonly ObservableAsPropertyHelper<IEnumerable<Pod>> _pods;
public IEnumerable<Pod> Pods => _pods.Value;
private Pod? _selectedPod;
public Pod? SelectedPod
{
get => _selectedPod;
set => this.RaiseAndSetIfChanged(ref _selectedPod, value);
}
private readonly ObservableAsPropertyHelper<IEnumerable<FileInformation>> _fileInformation;
public IEnumerable<FileInformation> FileInformation => _fileInformation.Value;
private FileInformation? _selectedFile;
public FileInformation? SelectedFile
{
get => _selectedFile;
set => this.RaiseAndSetIfChanged(ref _selectedFile, value);
}
private string? _selectedPath;
public string? SelectedPath
{
get => _selectedPath;
set => this.RaiseAndSetIfChanged(ref _selectedPath, value);
}
private bool _isDownloadActive;
public bool IsDownloadActive
{
get => _isDownloadActive;
set => this.RaiseAndSetIfChanged(ref _isDownloadActive, value);
}
public ReactiveCommand<Unit, Unit> DownloadCommand { get; }
public ReactiveCommand<Unit, Unit> ParentCommand { get; }
public ReactiveCommand<Unit, Unit> OpenCommand { get; }
public MainWindowViewModel()
{
//TODO: use dependency injection to get the kubernetes service
IKubernetesService kubernetesService = new KubernetesService();
var isFile = this
.WhenAnyValue(x => x.SelectedFile, x => x.IsDownloadActive)
.Select(x => x is { Item1.Type: FileType.File, Item2: false });
var isDirectory = this
.WhenAnyValue(x => x.SelectedFile, x => x.IsDownloadActive)
.Select(x => x is { Item1.Type: FileType.Directory, Item2: false });
var isNotRoot = this
.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);
DownloadCommand = ReactiveCommand.CreateFromTask(async () =>
{
get => _selectedClusterContext;
set => this.RaiseAndSetIfChanged(ref _selectedClusterContext, value);
}
private readonly ObservableAsPropertyHelper<IEnumerable<Namespace>> _namespaces;
public IEnumerable<Namespace> Namespaces => _namespaces.Value;
private Namespace? _selectedNamespace;
public Namespace? SelectedNamespace
{
get => _selectedNamespace;
set => this.RaiseAndSetIfChanged(ref _selectedNamespace, value);
}
private readonly ObservableAsPropertyHelper<IEnumerable<Pod>> _pods;
public IEnumerable<Pod> Pods => _pods.Value;
private Pod? _selectedPod;
public Pod? SelectedPod
{
get => _selectedPod;
set => this.RaiseAndSetIfChanged(ref _selectedPod, value);
}
private readonly ObservableAsPropertyHelper<IEnumerable<FileInformation>> _fileInformation;
public IEnumerable<FileInformation> FileInformation => _fileInformation.Value;
private FileInformation? _selectedFile;
public FileInformation? SelectedFile
{
get => _selectedFile;
set => this.RaiseAndSetIfChanged(ref _selectedFile, value);
}
private string? _selectedPath;
public string? SelectedPath
{
get => _selectedPath;
set => this.RaiseAndSetIfChanged(ref _selectedPath, value);
}
private bool _isDownloadActive;
public bool IsDownloadActive
{
get => _isDownloadActive;
set => this.RaiseAndSetIfChanged(ref _isDownloadActive, value);
}
public ReactiveCommand<Unit, Unit> DownloadCommand { get; }
public ReactiveCommand<Unit, Unit> ParentCommand { get; }
public ReactiveCommand<Unit, Unit> OpenCommand { get; }
public MainWindowViewModel()
{
var kubernetesService = new KubernetesService();
var isFile = this
.WhenAnyValue(x => x.SelectedFile, x => x.IsDownloadActive)
.Select(x => x is { Item1.Type: FileType.File, Item2: false });
var isDirectory = this
.WhenAnyValue(x => x.SelectedFile, x => x.IsDownloadActive)
.Select(x => x is { Item1.Type: FileType.Directory, Item2: false });
var isNotRoot = this
.WhenAnyValue(x => x.SelectedPath, x => x.IsDownloadActive)
.Select(x => x.Item1 is not "/" && !x.Item2);
OpenCommand = ReactiveCommand.Create(() =>
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)
{
SelectedPath = SelectedFile != null ? SelectedFile!.Name : "/";
}, isDirectory, RxApp.MainThreadScheduler);
IsDownloadActive = true;
await kubernetesService.DownloadFile(SelectedNamespace, SelectedPod, SelectedFile, saveFileName);
IsDownloadActive = false;
}
}, RxApp.TaskpoolScheduler);
}, isFile, 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);
var saveFileName = await ApplicationHelper.SaveFile(".", fileName);
if (saveFileName != null)
{
IsDownloadActive = true;
await kubernetesService.DownloadFile(SelectedNamespace, SelectedPod, SelectedFile, saveFileName);
IsDownloadActive = false;
}
}, RxApp.TaskpoolScheduler);
}, isFile, RxApp.MainThreadScheduler);
ParentCommand = ReactiveCommand.Create(() =>
{
SelectedPath = SelectedPath![..SelectedPath!.LastIndexOf('/')];
if (SelectedPath!.Length == 0)
{
SelectedPath = "/";
}
}, isNotRoot, RxApp.MainThreadScheduler);
ParentCommand = ReactiveCommand.Create(() =>
{
SelectedPath = SelectedPath![..SelectedPath!.LastIndexOf('/')];
if (SelectedPath!.Length == 0)
{
SelectedPath = "/";
}
}, isNotRoot, RxApp.MainThreadScheduler);
// read the cluster contexts
_namespaces = this
.WhenAnyValue(c => c.SelectedClusterContext)
.Throttle(TimeSpan.FromMilliseconds(10))
.Where(context => context != null)
.Select(context =>
{
kubernetesService.SwitchClusterContext(context!);
return kubernetesService.GetNamespaces();
})
.ObserveOn(RxApp.MainThreadScheduler)
.ToProperty(this, x => x.Namespaces);
// read the cluster contexts
_namespaces = this
.WhenAnyValue(c => c.SelectedClusterContext)
.Throttle(TimeSpan.FromMilliseconds(10))
.Where(context => context != null)
.Select(context =>
{
kubernetesService.SwitchClusterContext(context!);
return kubernetesService.GetNamespaces();
})
.ObserveOn(RxApp.MainThreadScheduler)
.ToProperty(this, x => x.Namespaces);
// read the pods when the namespace changes
_pods = this
.WhenAnyValue(c => c.SelectedNamespace)
.Throttle(TimeSpan.FromMilliseconds(10))
.Where(ns => ns != null)
.Select(ns => kubernetesService.GetPods(ns!.Name))
.ObserveOn(RxApp.MainThreadScheduler)
.ToProperty(this, x => x.Pods);
// read the pods when the namespace changes
_pods = this
.WhenAnyValue(c => c.SelectedNamespace)
.Throttle(TimeSpan.FromMilliseconds(10))
.Where(ns => ns != null)
.Select(ns => kubernetesService.GetPods(ns!.Name))
.ObserveOn(RxApp.MainThreadScheduler)
.ToProperty(this, x => x.Pods);
// read the file information when the path changes
_fileInformation = this
.WhenAnyValue(c => c.SelectedPath, c => c.SelectedPod, c => c.SelectedNamespace)
.Throttle(TimeSpan.FromMilliseconds(10))
.Select(x => x.Item3 == null || x.Item2 == null
? new List<FileInformation>()
: kubernetesService.GetFiles(x.Item3!.Name, x.Item2!.Name, x.Item2!.Containers.First(),
x.Item1))
.ObserveOn(RxApp.MainThreadScheduler)
.ToProperty(this, x => x.FileInformation);
// read the file information when the path changes
_fileInformation = this
.WhenAnyValue(c => c.SelectedPath, c => c.SelectedPod, c => c.SelectedNamespace)
.Throttle(TimeSpan.FromMilliseconds(10))
.Select(x => x.Item3 == null || x.Item2 == null
? new List<FileInformation>()
: kubernetesService.GetFiles(x.Item3!.Name, x.Item2!.Name, x.Item2!.Containers.First(),
x.Item1))
.ObserveOn(RxApp.MainThreadScheduler)
.ToProperty(this, x => x.FileInformation);
// reset the path when the pod or namespace changes
this.WhenAnyValue(c => c.SelectedPod, c => c.SelectedNamespace)
.Subscribe(x => SelectedPath = "/");
// reset the path when the pod or namespace changes
this.WhenAnyValue(c => c.SelectedPod, c => c.SelectedNamespace)
.Subscribe(x => SelectedPath = "/");
// load the cluster contexts when the view model is created
var loadContexts = ReactiveCommand
.Create<Unit, IEnumerable<ClusterContext>>(_ => kubernetesService.GetClusterContexts());
_clusterContexts = loadContexts.Execute().ToProperty(
this, x => x.ClusterContexts, scheduler: RxApp.MainThreadScheduler);
// load the cluster contexts when the view model is created
var loadContexts = ReactiveCommand
.Create<Unit, IEnumerable<ClusterContext>>(_ => kubernetesService.GetClusterContexts());
_clusterContexts = loadContexts.Execute().ToProperty(
this, x => x.ClusterContexts, scheduler: RxApp.MainThreadScheduler);
// select the current cluster context
SelectedClusterContext = ClusterContexts
.FirstOrDefault(x => x.Name == kubernetesService.GetCurrentContext());
}
// select the current cluster context
SelectedClusterContext = ClusterContexts
.FirstOrDefault(x => x.Name == kubernetesService.GetCurrentContext());
}
}

4
K8sFileBrowser/Views/MainWindow.axaml
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@@ -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>
@@ -77,7 +77,7 @@
<TextBlock Text="{Binding SelectedPath}" VerticalAlignment="Center" Margin="10 0 0 0"></TextBlock>
</StackPanel>
<StackPanel Grid.Column="1" Orientation="Horizontal" Spacing="4" Margin="10" HorizontalAlignment="Right">
<Button Command="{Binding ParentCommand}" VerticalAlignment="Center" ToolTip.Tip="Go To Parent Directory">
<PathIcon Data="{StaticResource arrow_curve_up_left_regular}"></PathIcon>
</Button>