DEEP-13, DEEP-14 Training dialog implemented. Dashboard page UI and functionality added

DeepTrace/Controls/ModelCard.razor

@@ -0,0 +1,169 @@
+@using DeepTrace.Data;
+@using DeepTrace.ML;
+@using DeepTrace.Services;
+@using PrometheusAPI;
+
+@inject PrometheusClient Prometheus
+@inject IDialogService DialogService
+@inject IModelStorageService ModelService
+@inject ITrainedModelStorageService TrainedModelService
+@inject ILogger<MLProcessor> MLProcessorLogger
+@inject ILogger<ModelCard> Logger
+
+<MudCard Class="mb-3">
+    <MudCardHeader>
+        <CardHeaderContent>
+            <MudText Typo="Typo.h6">@Model?.Name</MudText>
+        </CardHeaderContent>
+        <CardHeaderActions>
+            <MudSwitch @bind-Checked="IsEnabled"> @Model?.IsEnabled</MudSwitch>
+        </CardHeaderActions>
+    </MudCardHeader>
+    <MudCardContent>    
+        <MudText>Current state: @_prediction.PredictedLabel</MudText>
+    </MudCardContent>
+</MudCard>
+
+@code{
+    [Parameter]
+    public TrainedModelDefinition? Model { get; set; }
+
+    private ModelDefinition _modelDefinition = new();
+    private Prediction _prediction = new();
+
+    protected override async Task OnAfterRenderAsync(bool firstRender)
+    {
+        if (!firstRender || Model?.Id == null)
+        {
+            return;
+        }
+        _modelDefinition = (await ModelService.Load(Model.Id)) ?? _modelDefinition;
+        
+        #pragma warning disable CS4014
+        Task.Run(PredictionLoop);
+        #pragma warning restore CS4014
+    }
+
+    private bool IsEnabled
+    {
+        get => Model?.IsEnabled ?? false;
+        set
+        {
+            if (Model==null || Model.IsEnabled == value)
+            {
+                return;
+            }
+            Model.IsEnabled = value;
+            InvokeAsync(SaveIsEnabled);
+        }
+    }
+
+    private async Task SaveIsEnabled()
+    {
+        if(Model == null)
+        {
+            return;
+        }
+
+        var trainedModel = new TrainedModelDefinition
+            {
+                Id        = Model.Id,
+                IsEnabled = Model.IsEnabled,
+                Name      = Model.Name,
+                Value     = Model.Value
+            };
+        await TrainedModelService.Store(trainedModel);
+    }
+
+    private async Task PredictionLoop()
+    {
+        var startDate = DateTime.UtcNow;
+        while (true)
+        {
+            try
+            {
+                await Task.Delay(TimeSpan.FromSeconds(5));
+                var endDate = DateTime.UtcNow;
+                await PredictAnomaly(startDate, endDate);
+                startDate = endDate;
+            }
+            catch(Exception)
+            {
+                //ignore
+            }
+        }
+    }
+
+    private async Task PredictAnomaly(DateTime startDate, DateTime endDate)
+    {
+
+        // use automatic step value to always request 500 elements
+        var seconds = (endDate - startDate).TotalSeconds / 500.0;
+        if (seconds < 1.0)
+            seconds = 1.0;
+        var step = TimeSpan.FromSeconds(seconds);
+
+        var tasks = _modelDefinition!.DataSource.Queries
+            .Select(x => Prometheus.RangeQuery(x.Query, startDate, endDate, step, TimeSpan.FromSeconds(2)))
+            .ToArray();
+
+        try
+        {
+            await Task.WhenAll(tasks);
+        }
+        catch (Exception e)
+        {
+            await ShowError(e.Message);
+            return;
+        }
+
+        var data = new List<TimeSeriesDataSet>();
+
+        foreach (var (res, def) in tasks.Select((x, i) => (x.Result, _modelDefinition.DataSource.Queries[i])))
+        {
+            if (res.Status != StatusType.Success)
+            {
+                Logger.LogError(res.Error ?? "Error");
+                return;
+            }
+
+            if (res.ResultType != ResultTypeType.Matrix)
+            {
+                Logger.LogError($"Got {res.ResultType}, but Matrix expected for {def.Query}");
+                return;
+            }
+
+            var m = res.AsMatrix().Result;
+            if (m == null || m.Length != 1)
+            {
+                Logger.LogError($"No data returned for {def.Query}");
+                return;
+            }
+
+            data.Add(
+                new()
+                    {
+                        Name = def.Query,
+                        Color = def.Color,
+                        Data = m[0].Values!.ToList()
+                    }
+            );
+        }
+
+        var mlProcessor = new MLProcessor(MLProcessorLogger);
+        _prediction = await mlProcessor.Predict(Model, _modelDefinition, data);
+    }
+
+    private async Task ShowError(string text)
+    {
+        var options = new DialogOptions
+            {
+                CloseOnEscapeKey = true
+            };
+        var parameters = new DialogParameters();
+        parameters.Add("Text", text);
+
+        var d = DialogService.Show<Controls.Dialog>("Error", parameters, options);
+        await d.Result;
+    }
+}

DeepTrace/Controls/TrainingDialog.razor

@@ -12,7 +12,15 @@
     <DialogContent>
         
         <h4>@Text</h4>
+        
         <MudTextField T="string" ReadOnly="true" Text="@_progressText"></MudTextField>
+        @if (_isTraining == false)
+        {
+            <MudText>MicroAccuracy: @_evaluationMetrics!.MicroAccuracy.ToString("N2")</MudText>
+            <MudText>MacroAccuracy: @_evaluationMetrics!.MacroAccuracy.ToString("N2")</MudText>
+            <MudText>LogLoss: @_evaluationMetrics!.LogLoss.ToString("N2")</MudText>
+            <MudText>LogLossReduction: @_evaluationMetrics!.LogLossReduction.ToString("N2")</MudText>
+        }
 
         
     </DialogContent>
@@ -28,6 +36,7 @@
 
     private string _progressText = "";
     private bool _isTraining = true;
+    private MLEvaluationMetrics? _evaluationMetrics;
 
     void Submit() => MudDialog?.Close(DialogResult.Ok(true));
 
@@ -38,7 +47,7 @@
             return;
         }
 
-        await Processor.Train(Model, UpdateProgress);
+        _evaluationMetrics = await Processor.Train(Model, UpdateProgress);
         _isTraining = false;
         await InvokeAsync(StateHasChanged);
     }

DeepTrace/Data/ModelDefinition.cs

@@ -43,12 +43,23 @@ public class ModelDefinition
         writer.AppendLine(headers);
 
         foreach (var currentInterval in IntervalDefinitionList)
+        {
+            var source = currentInterval.Data;
+            string data = ConvertToCsv(source);
+            data += "," + currentInterval.Name;
+            writer.AppendLine(data);
+        }
+
+        return writer.ToString();
+    }
+
+    public static string ConvertToCsv(List<TimeSeriesDataSet> source)
     {
         var data = "";
-            for (var i = 0; i < currentInterval.Data.Count; i++)
+        for (var i = 0; i < source.Count; i++)
         {
 
-                var queryData = currentInterval.Data[i];
+            var queryData = source[i];
             var min = queryData.Data.Min(x => x.Value);
             var max = queryData.Data.Max(x => x.Value);
             var avg = queryData.Data.Average(x => x.Value);
@@ -57,10 +68,7 @@ public class ModelDefinition
             data += min + "," + max + "," + avg + "," + mean + ",";
 
         }
-            data += currentInterval.Name;
-            writer.AppendLine(data);
-        }
 
-        return writer.ToString();
+        return data+"\"ignoreMe\"";
     }
 }

DeepTrace/Data/Prediction.cs

@@ -2,9 +2,11 @@
 
 namespace DeepTrace.Data;
 
-public class MyPrediction
+public class Prediction
 {
-    //vector to hold alert,score,p-value values
+    [ColumnName(@"PredictedLabel")]
-    [VectorType(3)]
+    public string PredictedLabel { get; set; }
-    public double[]? Prediction { get; set; }
+
+    [ColumnName(@"Score")]
+    public float[] Score { get; set; }
 }

DeepTrace/Data/TrainedModelDefinition.cs

@@ -7,6 +7,7 @@ namespace DeepTrace.Data
     {
         [BsonId]
         public ObjectId? Id { get; set; }
+        public bool IsEnabled { get; set; } = false;
         public string Name { get; set; } = string.Empty;
         public byte[] Value { get; set; } = Array.Empty<byte>(); //base64
     }

DeepTrace/ML/IMLProcessor.cs

@@ -5,8 +5,8 @@ namespace DeepTrace.ML;
 
 public interface IMLProcessor
 {
-    Task Train(ModelDefinition modelDef, Action<string> log);
+    Task<MLEvaluationMetrics> Train(ModelDefinition modelDef, Action<string> log);
     byte[] Export();
     void Import(byte[] data);
-    string Predict(DataSourceDefinition dataSource);
+    Task<Prediction> Predict(TrainedModelDefinition trainedModel, ModelDefinition model, List<TimeSeriesDataSet> data);
 }

DeepTrace/ML/MLEvaluationMetrics.cs

@@ -0,0 +1,16 @@
+namespace DeepTrace.ML
+{
+    public class MLEvaluationMetrics
+    {
+        public MLEvaluationMetrics() 
+        {
+
+        }
+
+        public double MicroAccuracy { get; set; }
+        public double MacroAccuracy { get; set; }
+        public double LogLoss { get; set; }
+        public double LogLossReduction { get; set; }
+
+    }
+}

DeepTrace/ML/MLHelpers.cs

@@ -32,9 +32,14 @@ public static class MLHelpers
 
         await File.WriteAllTextAsync(fileName, csv);
 
+        return LoadFromCsv(mlContext, model, fileName);
+    }
+
+    public static (IDataView View, string FileName) LoadFromCsv(MLContext mlContext, ModelDefinition model, string fileName)
+    {
         var columnNames = model.GetColumnNames();
         var columns = columnNames
-            .Select((x,i) => new TextLoader.Column(x, DataKind.String, i))
+            .Select((x, i) => new TextLoader.Column(x, DataKind.String, i))
             .ToArray()
             ;
 

DeepTrace/ML/MLProcessor.cs

@@ -3,6 +3,7 @@ using Microsoft.ML;
 using Microsoft.ML.Data;
 using PrometheusAPI;
 using System.Data;
+using static DeepTrace.MLModel1;
 
 namespace DeepTrace.ML
 {
@@ -22,15 +23,19 @@ namespace DeepTrace.ML
 
         private string Name { get; set; } = "TestModel";
 
-        public async Task Train(ModelDefinition modelDef, Action<string> log)
+        public async Task<MLEvaluationMetrics> Train(ModelDefinition modelDef, Action<string> log)
         {
             var pipeline = _estimatorBuilder.BuildPipeline(_mlContext, modelDef);
             var (data, filename) = await MLHelpers.Convert(_mlContext, modelDef);
+
+            DataOperationsCatalog.TrainTestData dataSplit = _mlContext.Data.TrainTestSplit(data, testFraction: 0.2);
+
             _mlContext.Log += (_,e) => LogEvents(log, e);
             try
             {
                 _schema = data.Schema;
-                _transformer = pipeline.Fit(data);
+                _transformer = pipeline.Fit(dataSplit.TrainSet);
+                return Evaluate(dataSplit.TestSet);
             } 
             finally
             {
@@ -49,6 +54,20 @@ namespace DeepTrace.ML
             
         }
 
+        private MLEvaluationMetrics Evaluate(IDataView testData)
+        {
+            var predictions = _transformer!.Transform(testData);
+            var metrics = _mlContext.MulticlassClassification.Evaluate(predictions, "Name");
+            var evaluationMetrics = new MLEvaluationMetrics()
+            {
+                MicroAccuracy = metrics.MicroAccuracy,
+                MacroAccuracy = metrics.MacroAccuracy,
+                LogLoss = metrics.LogLoss,
+                LogLossReduction = metrics.LogLossReduction,
+            };
+            return evaluationMetrics;
+        }
+
         public byte[] Export()
         {
             if(_schema == null)
@@ -89,12 +108,30 @@ namespace DeepTrace.ML
             mem.Read(bytes, 0, bytes.Length);
 
             (_mlContext, _schema, _transformer) = MLHelpers.ImportSingleModel(bytes);
-
         }
 
-        public string Predict(DataSourceDefinition dataSourceDefinition)
+        public async Task<Prediction> Predict(TrainedModelDefinition trainedModel, ModelDefinition model, List<TimeSeriesDataSet> data)
         {
-            throw new NotImplementedException();
+            Import(trainedModel.Value);
+            var headers = string.Join(",", model.GetColumnNames().Select(x => $"\"{x}\""));
+            var row = ModelDefinition.ConvertToCsv(data);
+
+            var csv = headers+"\n"+row;
+            var fileName = Path.GetTempFileName();
+            try
+            {
+                await File.WriteAllTextAsync(fileName, csv);
+
+                var (dataView, _) = MLHelpers.LoadFromCsv(_mlContext, model, fileName);
+
+                var predictionEngine = _mlContext.Model.CreatePredictionEngine<IDataView, Prediction>(_transformer);
+                var prediction = predictionEngine.Predict(dataView);
+                return prediction;
+            } 
+            finally
+            {
+                File.Delete(fileName);
+            }
         }
     }
 }

DeepTrace/Pages/Index.razor

@@ -1,4 +1,9 @@
 @page "/"
+@using DeepTrace.Data;
+@using DeepTrace.Services;
+@using DeepTrace.Controls;
+
+@inject ITrainedModelStorageService TrainedModelService
 
 <PageTitle>Index</PageTitle>
 
@@ -6,4 +11,26 @@
 
 Welcome to your new app.
 
-<SurveyPrompt Title="How is Blazor working for you?" />
+@if (_trainedModels != null)
+{
+    @foreach(TrainedModelDefinition model in _trainedModels)
+    {
+        <ModelCard Model="@model"/>
+    }
+} else
+{
+    <MudText>Nothing to display</MudText>
+}
+
+
+@code{
+    private List<TrainedModelDefinition> _trainedModels = new();
+
+    protected override async Task OnInitializedAsync()
+    {
+        base.OnInitialized();
+        _trainedModels = await TrainedModelService.Load();
+
+    }
+
+}

DeepTrace/Pages/Training.razor

@@ -553,6 +553,7 @@
         var trainedModel = new TrainedModelDefinition
         {
             Id = _modelForm!.CurrentModel.Id,
+            IsEnabled = false,
             Name = _modelForm!.CurrentModel.Name,
             Value = bytes
         };

DeepTrace/Services/IModelStorageService.cs

@@ -10,6 +10,7 @@ namespace DeepTrace.Services
     {
         Task Delete(ModelDefinition source, bool ignoreNotStored = false);
         Task<List<ModelDefinition>> Load();
+        Task<ModelDefinition?> Load(BsonObjectId id);
         Task Store(ModelDefinition source);
     }
 }

DeepTrace/Services/ModelStorageService.cs

@@ -25,6 +25,15 @@ namespace DeepTrace.Services
             var res = await (await collection.FindAsync("{}")).ToListAsync();
             return res;
         }
+
+        public async Task<ModelDefinition?> Load(BsonObjectId id)
+        {
+            var db = _client.GetDatabase(MongoDBDatabaseName);
+            var collection = db.GetCollection<ModelDefinition>(MongoDBCollection);
+            var res = (await (await collection.FindAsync($"{{_id:ObjectId(\"{id}\")}}")).ToListAsync()).FirstOrDefault();
+            return res;
+        }
+
         public async Task Store(ModelDefinition source)
         {
             var db = _client.GetDatabase(MongoDBDatabaseName);