Support displaying different resource properties

src/Aspire.Dashboard/Components/Controls/SpanDetails.razor

@@ -10,7 +10,7 @@
 <div class="span-details-layout">
     <FluentToolbar Orientation="Orientation.Horizontal">
         <div>
-            @((MarkupString)string.Format(ControlsStrings.SpanDetailsResource, ViewModel.Span.Source.ApplicationName))
+            @((MarkupString)string.Format(ControlsStrings.SpanDetailsResource, ViewModel.Span.Source.Application.ApplicationName))
         </div>
         <FluentDivider Role="DividerRole.Presentation" Orientation="Orientation.Vertical" />
         <div>

src/Aspire.Dashboard/Components/Controls/StructuredLogDetails.razor

@@ -7,7 +7,7 @@
 <div class="structured-log-details-layout">
     <FluentToolbar Orientation="Orientation.Horizontal">
         <div>
-            @((MarkupString)string.Format(ControlsStrings.StructuredLogsDetailsResource, ViewModel.LogEntry.Application.ApplicationName))
+            @((MarkupString)string.Format(ControlsStrings.StructuredLogsDetailsResource, ViewModel.LogEntry.ApplicationView.Application.ApplicationName))
         </div>
         <FluentDivider Role="DividerRole.Presentation" Orientation="Orientation.Vertical" />
         <div title="@FormatHelpers.FormatTimeWithOptionalDate(TimeProvider, ViewModel.LogEntry.TimeStamp, MillisecondsDisplay.Full)">

src/Aspire.Dashboard/Components/Controls/StructuredLogDetails.razor.cs

@@ -28,7 +28,7 @@ public partial class StructuredLogDetails
             .Where(ApplyFilter).AsQueryable();
 
     private IQueryable<LogEntryPropertyViewModel> FilteredResourceItems =>
-        ViewModel.LogEntry.Application.AllProperties().Select(p => new LogEntryPropertyViewModel { Name = p.Key, Value = p.Value })
+        ViewModel.LogEntry.ApplicationView.AllProperties().Select(p => new LogEntryPropertyViewModel { Name = p.Key, Value = p.Value })
             .Where(ApplyFilter).AsQueryable();
 
     private string _filter = "";

src/Aspire.Dashboard/Components/Pages/Resources.razor.cs

@@ -8,7 +8,6 @@
 using Aspire.Dashboard.Extensions;
 
 using Aspire.Dashboard.Model;
-using Aspire.Dashboard.Otlp.Model;
 using Aspire.Dashboard.Otlp.Storage;
 using Aspire.Dashboard.Resources;
 using Aspire.Dashboard.Utils;
@@ -31,7 +30,7 @@ public partial class Resources : ComponentBase, IAsyncDisposable
 
     private Subscription? _logsSubscription;
     private IList<GridColumn>? _gridColumns;
-    private Dictionary<OtlpApplication, int>? _applicationUnviewedErrorCounts;
+    private Dictionary<ApplicationKey, int>? _applicationUnviewedErrorCounts;
 
     [Inject]
     public required IDashboardClient DashboardClient { get; init; }
@@ -224,7 +223,7 @@ async Task SubscribeResourcesAsync()
         }
     }
 
-    private bool ApplicationErrorCountsChanged(Dictionary<OtlpApplication, int> newApplicationUnviewedErrorCounts)
+    private bool ApplicationErrorCountsChanged(Dictionary<ApplicationKey, int> newApplicationUnviewedErrorCounts)
     {
         if (_applicationUnviewedErrorCounts == null || _applicationUnviewedErrorCounts.Count != newApplicationUnviewedErrorCounts.Count)
         {

src/Aspire.Dashboard/Components/Pages/StructuredLogs.razor

@@ -119,9 +119,9 @@
                                                 OnRowClick="@(r => r.ExecuteOnDefault(d => OnShowPropertiesAsync(d, buttonId: null)))"
                                                 Class="enable-row-click">
                                     <ChildContent>
-                                        <AspireTemplateColumn ColumnId="@ResourceColumn" ColumnManager="@_manager" Title="@Loc[nameof(Dashboard.Resources.StructuredLogs.StructuredLogsResourceColumnHeader)]" Tooltip="true" TooltipText="@(e => GetResourceName(e.Application))">
-                                            <span style="padding-left:5px; border-left-width: 5px; border-left-style: solid; border-left-color: @(ColorGenerator.Instance.GetColorHexByKey(GetResourceName(context.Application)));">
-                                                @GetResourceName(context.Application)
+                                        <AspireTemplateColumn ColumnId="@ResourceColumn" ColumnManager="@_manager" Title="@Loc[nameof(Dashboard.Resources.StructuredLogs.StructuredLogsResourceColumnHeader)]" Tooltip="true" TooltipText="@(e => GetResourceName(e.ApplicationView))">
+                                            <span style="padding-left:5px; border-left-width: 5px; border-left-style: solid; border-left-color: @(ColorGenerator.Instance.GetColorHexByKey(GetResourceName(context.ApplicationView)));">
+                                                @GetResourceName(context.ApplicationView)
                                             </span>
                                         </AspireTemplateColumn>
                                         <AspireTemplateColumn ColumnId="@LogLevelColumn" ColumnManager="@_manager" Title="@Loc[nameof(Dashboard.Resources.StructuredLogs.StructuredLogsLevelColumnHeader)]">

src/Aspire.Dashboard/Components/Pages/StructuredLogs.razor.cs

@@ -344,7 +344,7 @@ private async Task HandleAfterFilterBindAsync()
         await this.AfterViewModelChangedAsync(_contentLayout, true);
     }
 
-    private string GetResourceName(OtlpApplication app) => OtlpApplication.GetResourceName(app, _applications);
+    private string GetResourceName(OtlpApplicationView app) => OtlpApplication.GetResourceName(app.Application, _applications);
 
     private string GetRowClass(OtlpLogEntry entry)
     {

src/Aspire.Dashboard/Components/Pages/TraceDetail.razor.cs

@@ -349,7 +349,7 @@ private async Task ClearSelectedSpanAsync(bool causedByUserAction = false)
         _elementIdBeforeDetailsViewOpened = null;
     }
 
-    private string GetResourceName(OtlpApplication app) => OtlpApplication.GetResourceName(app, _applications);
+    private string GetResourceName(OtlpApplicationView app) => OtlpApplication.GetResourceName(app, _applications);
 
     public void Dispose()
     {

src/Aspire.Dashboard/Components/Pages/Traces.razor

@@ -59,7 +59,7 @@
                             <AspireTemplateColumn ColumnId="@SpansColumn" ColumnManager="@_manager" Title="@Loc[nameof(Dashboard.Resources.Traces.TracesSpansColumnHeader)]">
                                 <FluentOverflow>
                                     <ChildContent>
-                                        @foreach (var item in context.Spans.GroupBy(s => s.Source).OrderBy(g => g.Min(s => s.StartTime)))
+                                        @foreach (var item in context.Spans.GroupBy(s => s.Source.Application).OrderBy(g => g.Min(s => s.StartTime)))
                                         {
                                             <FluentOverflowItem>
                                                 <span class="trace-tag trace-service-tag" title="@(GetSpansTooltip(item))" style="border-left-color: @(ColorGenerator.Instance.GetColorHexByKey(GetResourceName(item.Key)));">

src/Aspire.Dashboard/Components/Pages/Traces.razor.cs

@@ -228,6 +228,7 @@ private async Task HandleAfterFilterBindAsync()
     }
 
     private string GetResourceName(OtlpApplication app) => OtlpApplication.GetResourceName(app, _applications);
+    private string GetResourceName(OtlpApplicationView app) => OtlpApplication.GetResourceName(app, _applications);
 
     protected override async Task OnAfterRenderAsync(bool firstRender)
     {

src/Aspire.Dashboard/Components/ResourcesGridColumns/StateColumnDisplay.razor

@@ -1,6 +1,7 @@
 @using Aspire.Dashboard.Extensions
 @using Aspire.Dashboard.Model
 @using Aspire.Dashboard.Otlp.Model
+@using Aspire.Dashboard.Otlp.Storage
 @using Aspire.Dashboard.Resources
 @using Humanizer
 
@@ -99,5 +100,5 @@ else
 
 
     [Parameter, EditorRequired]
-    public required Dictionary<OtlpApplication, int>? UnviewedErrorCounts { get; set; }
+    public required Dictionary<ApplicationKey, int>? UnviewedErrorCounts { get; set; }
 }

src/Aspire.Dashboard/Components/ResourcesGridColumns/UnreadLogErrorsBadge.razor.cs

@@ -2,7 +2,6 @@
 // The .NET Foundation licenses this file to you under the MIT license.
 
 using Aspire.Dashboard.Model;
-using Aspire.Dashboard.Otlp.Model;
 using Aspire.Dashboard.Otlp.Storage;
 using Aspire.Dashboard.Utils;
 using Microsoft.AspNetCore.Components;
@@ -17,7 +16,7 @@ public partial class UnreadLogErrorsBadge
     [Parameter, EditorRequired]
     public required ResourceViewModel Resource { get; set; }
     [Parameter, EditorRequired]
-    public required Dictionary<OtlpApplication, int>? UnviewedErrorCounts { get; set; }
+    public required Dictionary<ApplicationKey, int>? UnviewedErrorCounts { get; set; }
 
     [Inject]
     public required TelemetryRepository TelemetryRepository { get; init; }
@@ -42,7 +41,7 @@ protected override void OnParametersSet()
             return (null, 0);
         }
 
-        if (!UnviewedErrorCounts.TryGetValue(application, out var count) || count == 0)
+        if (!UnviewedErrorCounts.TryGetValue(application.ApplicationKey, out var count) || count == 0)
         {
             return (null, 0);
         }

src/Aspire.Dashboard/Extensions/FluentUIExtensions.cs

@@ -10,7 +10,7 @@ public static Dictionary<string, object> GetClipboardCopyAdditionalAttributes(st
         // No onclick attribute is added here. The CSP restricts inline scripts, including onclick.
         // Instead, a click event listener is added to the document and clicking the button is bubbled up to the event.
         // The document click listener looks for a button element and these attributes.
-        var attributes = new Dictionary<string, object>(StringComparers.Attribute)
+        var attributes = new Dictionary<string, object>(StringComparers.HtmlAttribute)
         {
             { "data-text", text ?? string.Empty },
             { "data-precopy", precopy ?? string.Empty },
@@ -28,7 +28,7 @@ public static Dictionary<string, object> GetClipboardCopyAdditionalAttributes(st
 
     public static Dictionary<string, object> GetOpenTextVisualizerAdditionalAttributes(string textValue, string textValueDescription, params (string Attribute, object Value)[] additionalAttributes)
     {
-        var attributes = new Dictionary<string, object>(StringComparers.Attribute)
+        var attributes = new Dictionary<string, object>(StringComparers.HtmlAttribute)
         {
             { "data-text", textValue },
             { "data-textvisualizer-description", textValueDescription }

src/Aspire.Dashboard/Model/Otlp/LogFilter.cs

@@ -102,7 +102,7 @@ private static Func<double, double, bool> ConditionToFuncNumber(FilterCondition
         return Field switch
         {
             KnownMessageField => x.Message,
-            KnownApplicationField => x.Application.ApplicationName,
+            KnownApplicationField => x.ApplicationView.Application.ApplicationName,
             KnownTraceIdField => x.TraceId,
             KnownSpanIdField => x.SpanId,
             KnownOriginalFormatField => x.OriginalFormat,

src/Aspire.Dashboard/Otlp/Model/OtlpApplication.cs

@@ -1,13 +1,14 @@
 // Licensed to the .NET Foundation under one or more agreements.
 // The .NET Foundation licenses this file to you under the MIT license.
 
+using System.Collections.Concurrent;
 using System.Diagnostics;
+using System.Diagnostics.CodeAnalysis;
 using Aspire.Dashboard.Configuration;
 using Aspire.Dashboard.Otlp.Storage;
 using Google.Protobuf.Collections;
 using OpenTelemetry.Proto.Common.V1;
 using OpenTelemetry.Proto.Metrics.V1;
-using OpenTelemetry.Proto.Resource.V1;
 
 namespace Aspire.Dashboard.Otlp.Model;
 
@@ -26,52 +27,20 @@ public class OtlpApplication
     private readonly ReaderWriterLockSlim _metricsLock = new();
     private readonly Dictionary<string, OtlpMeter> _meters = new();
     private readonly Dictionary<OtlpInstrumentKey, OtlpInstrument> _instruments = new();
+    private readonly ConcurrentDictionary<KeyValuePair<string, string>[], OtlpApplicationView> _applicationViews = new(ApplicationViewKeyComparer.Instance);
 
     private readonly ILogger _logger;
     private readonly TelemetryLimitOptions _options;
 
-    public KeyValuePair<string, string>[] Properties { get; }
-
-    public OtlpApplication(string name, string instanceId, Resource resource, ILogger logger, TelemetryLimitOptions options)
+    public OtlpApplication(string name, string instanceId, ILogger logger, TelemetryLimitOptions options)
     {
-        var properties = new List<KeyValuePair<string, string>>();
-        foreach (var attribute in resource.Attributes)
-        {
-            switch (attribute.Key)
-            {
-                case SERVICE_NAME:
-                case SERVICE_INSTANCE_ID:
-                    // Values passed in via ctor and set to members. Don't add to properties collection.
-                    break;
-                default:
-                    properties.Add(new KeyValuePair<string, string>(attribute.Key, attribute.Value.GetString()));
-                    break;
-
-            }
-        }
-        Properties = properties.ToArray();
-
         ApplicationName = name;
         InstanceId = instanceId;
 
         _logger = logger;
         _options = options;
     }
 
-    public Dictionary<string, string> AllProperties()
-    {
-        var props = new Dictionary<string, string>();
-        props.Add(SERVICE_NAME, ApplicationName);
-        props.Add(SERVICE_INSTANCE_ID, InstanceId);
-
-        foreach (var kv in Properties)
-        {
-            props.TryAdd(kv.Key, kv.Value);
-        }
-
-        return props;
-    }
-
     public void AddMetrics(AddContext context, RepeatedField<ScopeMetrics> scopeMetrics)
     {
         _metricsLock.EnterWriteLock();
@@ -185,6 +154,9 @@ public static Dictionary<string, List<OtlpApplication>> GetReplicasByApplication
             .ToDictionary(grouping => grouping.Key, grouping => grouping.ToList());
     }
 
+    public static string GetResourceName(OtlpApplicationView app, List<OtlpApplication> allApplications) =>
+        GetResourceName(app.Application, allApplications);
+
     public static string GetResourceName(OtlpApplication app, List<OtlpApplication> allApplications)
     {
         var count = 0;
@@ -216,4 +188,69 @@ public static string GetResourceName(OtlpApplication app, List<OtlpApplication>
 
         return app.ApplicationName;
     }
+
+    internal List<OtlpApplicationView> GetViews() => _applicationViews.Values.ToList();
+
+    internal OtlpApplicationView GetView(RepeatedField<KeyValue> attributes)
+    {
+        // Inefficient to create this to possibly throw it away.
+        var view = new OtlpApplicationView(this, attributes);
+
+        if (_applicationViews.TryGetValue(view.Properties, out var applicationView))
+        {
+            return applicationView;
+        }
+
+        return _applicationViews.GetOrAdd(view.Properties, view);
+    }
+
+    /// <summary>
+    /// Application views are equal when all properties are equal.
+    /// </summary>
+    private sealed class ApplicationViewKeyComparer : IEqualityComparer<KeyValuePair<string, string>[]>
+    {
+        public static readonly ApplicationViewKeyComparer Instance = new();
+
+        public bool Equals(KeyValuePair<string, string>[]? x, KeyValuePair<string, string>[]? y)
+        {
+            if (x == y)
+            {
+                return true;
+            }
+            if (x == null || y == null)
+            {
+                return false;
+            }
+            if (x.Length != y.Length)
+            {
+                return false;
+            }
+
+            for (var i = 0; i < x.Length; i++)
+            {
+                if (!string.Equals(x[i].Key, y[i].Key, StringComparisons.OtlpAttribute))
+                {
+                    return false;
+                }
+                if (!string.Equals(x[i].Value, y[i].Value, StringComparisons.OtlpAttribute))
+                {
+                    return false;
+                }
+            }
+
+            return true;
+        }
+
+        public int GetHashCode([DisallowNull] KeyValuePair<string, string>[] obj)
+        {
+            var hashCode = new HashCode();
+            for (var i = 0; i < obj.Length; i++)
+            {
+                hashCode.Add(StringComparers.OtlpAttribute.GetHashCode(obj[i].Key));
+                hashCode.Add(StringComparers.OtlpAttribute.GetHashCode(obj[i].Value));
+            }
+
+            return hashCode.ToHashCode();
+        }
+    }
 }

src/Aspire.Dashboard/Otlp/Model/OtlpApplicationView.cs

@@ -0,0 +1,66 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+
+using System.Diagnostics;
+using Aspire.Dashboard.Otlp.Storage;
+using Google.Protobuf.Collections;
+using OpenTelemetry.Proto.Common.V1;
+
+namespace Aspire.Dashboard.Otlp.Model;
+
+[DebuggerDisplay("Application = {Application}, Properties = {Properties.Count}")]
+public class OtlpApplicationView
+{
+    public ApplicationKey ApplicationKey => Application.ApplicationKey;
+    public OtlpApplication Application { get; }
+    public KeyValuePair<string, string>[] Properties { get; }
+
+    public OtlpApplicationView(OtlpApplication application, RepeatedField<KeyValue> attributes)
+    {
+        Application = application;
+
+        List<KeyValuePair<string, string>>? properties = null;
+        foreach (var attribute in attributes)
+        {
+            switch (attribute.Key)
+            {
+                case OtlpApplication.SERVICE_NAME:
+                case OtlpApplication.SERVICE_INSTANCE_ID:
+                    // Values passed in via ctor and set to members. Don't add to properties collection.
+                    break;
+                default:
+                    properties ??= [];
+                    properties.Add(new KeyValuePair<string, string>(attribute.Key, attribute.Value.GetString()));
+                    break;
+
+            }
+        }
+
+        if (properties != null)
+        {
+            // Sort so keys are in a consistent order for equality check.
+            properties.Sort((p1, p2) => string.Compare(p1.Key, p2.Key, StringComparisons.OtlpAttribute));
+            Properties = properties.ToArray();
+        }
+        else
+        {
+            Properties = [];
+        }
+    }
+
+    public Dictionary<string, string> AllProperties()
+    {
+        var props = new Dictionary<string, string>(StringComparers.OtlpAttribute)
+        {
+            { OtlpApplication.SERVICE_NAME, Application.ApplicationName },
+            { OtlpApplication.SERVICE_INSTANCE_ID, Application.InstanceId }
+        };
+
+        foreach (var kv in Properties)
+        {
+            props.TryAdd(kv.Key, kv.Value);
+        }
+
+        return props;
+    }
+}