feat: Provide better usability in terms of startup and configuration insights

config/promitor/scraper/metrics.yaml

@@ -13,6 +13,8 @@ metrics:
   - name: promitor_demo_appplan_percentage_cpu
     description: "Average percentage of memory usage on an Azure App Plan"
     resourceType: AppPlan
+    labels:
+      app: promitor
     azureMetricConfiguration:
       metricName: MemoryPercentage
       aggregation:

config/promitor/scraper/runtime.yaml

@@ -23,8 +23,8 @@ telemetry:
     verbosity: warning
   containerLogs:
     isEnabled: true
-    verbosity: trace
-  defaultVerbosity: trace
+    verbosity: information
+  defaultVerbosity: information
 azureMonitor:
   logging:
     informationLevel: Headers

docs/thank-you.md

@@ -79,6 +79,10 @@ Here is an overview of the NuGet packages that we rely on:
   - Swagger tools for documenting API's built on ASP.NET Core
 - [Prometheus.Client](https://github.com/PrometheusClientNet/Prometheus.Client)
   - .NET client for prometheus.io
+- [spectre.console](https://github.com/spectresystems/spectre.console) - A library that makes it easier to create
+ beautiful console applications.
+- [Humanizer](https://github.com/Humanizr/Humanizer) - Humanizer meets all your .NET needs for manipulating and
+ displaying strings, enums, dates, times, timespans, numbers and quantities
 - [YamlDotNet](https://github.com/aaubry/YamlDotNet) - .NET library for YAML
 - [Guard.NET](https://github.com/george-pancescu/Guard) - Library that facilitates
   runtime checks of code and allows to define preconditions and invariants within

src/Promitor.Agents.Core/Promitor.Agents.Core.csproj

@@ -23,9 +23,12 @@
     <PackageReference Include="NetEscapades.Configuration.Yaml" Version="2.1.0" />
     <PackageReference Include="Serilog.AspNetCore" Version="3.4.0" />
     <PackageReference Include="Serilog.Sinks.Console" Version="3.1.1" />
+    <PackageReference Include="Spectre.Console" Version="0.37.0" />
     <PackageReference Include="Swashbuckle.AspNetCore" Version="5.6.3" />
     <PackageReference Include="Swashbuckle.AspNetCore.Annotations" Version="5.6.3" />
     <PackageReference Include="Swashbuckle.AspNetCore.Filters" Version="6.0.1" />
+    <PackageReference Include="Humanizer" Version="2.8.26" />
+    <PackageReference Include="Spectre.Console" Version="0.37.0" />
   </ItemGroup>
 
   <ItemGroup>

src/Promitor.Agents.Core/Usability/AsciiTableGenerator.cs

@@ -0,0 +1,22 @@
+using Spectre.Console;
+
+namespace Promitor.Agents.Core.Usability
+{
+    public class AsciiTableGenerator
+    {
+        protected Table CreateAsciiTable(string caption = null)
+        {
+            var asciiTable = new Table
+            {
+                Border = TableBorder.Rounded
+            };
+
+            if(string.IsNullOrWhiteSpace(caption) == false)
+            {
+                asciiTable.Caption(caption);
+            }
+
+            return asciiTable;
+        }
+    }
+}

src/Promitor.Agents.Core/Validation/RuntimeValidator.cs

@@ -2,6 +2,7 @@
 using System.Linq;
 using Microsoft.Extensions.Logging;
 using Promitor.Agents.Core.Validation.Interfaces;
+using Spectre.Console;
 
 #pragma warning disable 618
 namespace Promitor.Agents.Core.Validation
@@ -43,29 +44,48 @@ private List<ValidationResult> RunValidationSteps()
 
             var totalValidationSteps = _validationSteps.Count;
             var validationResults = new List<ValidationResult>();
+
+            // Create a table
+            var asciiTable = CreateAsciiTable();
 
             for (var currentValidationStep = 1; currentValidationStep <= totalValidationSteps; currentValidationStep++)
             {
                 var validationStep = _validationSteps[currentValidationStep - 1];
-                var validationResult = RunValidationStep(validationStep, currentValidationStep, totalValidationSteps);
+                var validationResult = RunValidationStep(validationStep, asciiTable);
                 validationResults.Add(validationResult);
             }
 
+            AnsiConsole.Render(asciiTable);
+
             return validationResults;
         }
 
-        private ValidationResult RunValidationStep(IValidationStep validationStep, int currentStep, int totalSteps)
+        private static Table CreateAsciiTable()
         {
-            _validationLogger.LogInformation("Start Validation step {currentStep}/{totalSteps}: {validationStepName}", currentStep, totalSteps, validationStep.ComponentName);
+            var asciiTable = new Table
+            {
+                Border = TableBorder.HeavyEdge
+            };
+
+            // Add some columns
+            asciiTable.AddColumn("Name");
+            asciiTable.AddColumn("Outcome");
+            asciiTable.AddColumn("Details");
+            asciiTable.Caption("Validation");
 
+            return asciiTable;
+        }
+
+        private ValidationResult RunValidationStep(IValidationStep validationStep, Table asciiTable)
+        {
             var validationResult = validationStep.Run();
             if (validationResult.IsSuccessful)
             {
-                _validationLogger.LogInformation("Validation step {currentStep}/{totalSteps} succeeded", currentStep, totalSteps);
+                asciiTable.AddRow(validationStep.ComponentName, "Success", "Everything is well-configured.");
             }
             else
             {
-                _validationLogger.LogWarning("Validation step {currentStep}/{totalSteps} failed. Error(s): {validationMessage}", currentStep, totalSteps, validationResult.Message);
+                asciiTable.AddRow(validationStep.ComponentName, "Failed", $"Validation failed:\r\n{validationResult.Message}");
             }
 
             return validationResult;

src/Promitor.Agents.ResourceDiscovery/Extensions/IServiceCollectionExtensions.cs

@@ -12,6 +12,7 @@
 using Promitor.Agents.ResourceDiscovery.Graph.Interfaces;
 using Promitor.Agents.ResourceDiscovery.Repositories;
 using Promitor.Agents.ResourceDiscovery.Repositories.Interfaces;
+using Promitor.Agents.ResourceDiscovery.Usability;
 using Promitor.Agents.ResourceDiscovery.Validation.Steps;
 
 namespace Promitor.Agents.ResourceDiscovery.Extensions
@@ -71,5 +72,15 @@ public static IServiceCollection AddValidationRules(this IServiceCollection serv
 
             return services;
         }
+
+        /// <summary>
+        ///     Add usability
+        /// </summary>
+        public static IServiceCollection AddUsability(this IServiceCollection services)
+        {
+            services.AddTransient<DiscoveryGroupTableGenerator>();
+
+            return services;
+        }
     }
 }

src/Promitor.Agents.ResourceDiscovery/Program.cs

@@ -7,6 +7,7 @@
 using Promitor.Agents.Core.Configuration.Server;
 using Promitor.Agents.Core.Extensions;
 using Promitor.Agents.Core.Validation;
+using Promitor.Agents.ResourceDiscovery.Usability;
 using Promitor.Core;
 using Serilog;
 
@@ -43,6 +44,7 @@ public static int Main(string[] args)
                     }
 
                     Log.Logger.Information("Promitor configuration is valid, we are good to go.");
+                    PlotConfiguredDiscoveryGroups(scope);
                 }
 
                 host.Run();
@@ -93,5 +95,12 @@ private static IConfiguration BuildConfiguration(string[] args, string configura
 
             return configuration;
         }
+
+        private static void PlotConfiguredDiscoveryGroups(IServiceScope scope)
+        {
+            var metricsTableGenerator = scope.ServiceProvider.GetRequiredService<DiscoveryGroupTableGenerator>();
+            Log.Logger.Information("Here's an overview of what was configured:");
+            metricsTableGenerator.PlotOverviewInAsciiTable();
+        }
     }
 }

src/Promitor.Agents.ResourceDiscovery/Promitor.Agents.ResourceDiscovery.csproj

@@ -48,7 +48,6 @@
   <ItemGroup>
     <ProjectReference Include="..\Promitor.Agents.Core\Promitor.Agents.Core.csproj" />
     <ProjectReference Include="..\Promitor.Core.Contracts\Promitor.Core.Contracts.csproj" />
-    <ProjectReference Include="..\Promitor.Core.Scraping\Promitor.Core.Scraping.csproj" />
   </ItemGroup>
 
 </Project>

src/Promitor.Agents.ResourceDiscovery/Startup.cs

@@ -33,6 +33,7 @@ public void ConfigureServices(IServiceCollection services)
                 .AddMemoryCache()
                 .AddRuntimeConfiguration(Configuration)
                 .AddAzureResourceGraph(Configuration)
+                .AddUsability()
                 .UseOpenApiSpecifications($"{ApiName} v1", ApiDescription, 1)
                 .AddValidationRules()
                 .AddHttpCorrelation()

src/Promitor.Agents.ResourceDiscovery/Usability/DiscoveryGroupTableGenerator.cs

@@ -0,0 +1,81 @@
+using System;
+using System.Collections.Generic;
+using GuardNet;
+using Humanizer;
+using Microsoft.Extensions.Options;
+using Promitor.Agents.Core.Usability;
+using Promitor.Agents.ResourceDiscovery.Configuration;
+using Spectre.Console;
+
+namespace Promitor.Agents.ResourceDiscovery.Usability
+{
+    public class DiscoveryGroupTableGenerator : AsciiTableGenerator
+    {
+        private readonly IOptionsMonitor<ResourceDeclaration> _resourceDeclarationMonitor;
+
+        public DiscoveryGroupTableGenerator(IOptionsMonitor<ResourceDeclaration> resourceDeclarationMonitor)
+        {
+            Guard.NotNull(resourceDeclarationMonitor, nameof(resourceDeclarationMonitor));
+
+            _resourceDeclarationMonitor = resourceDeclarationMonitor;
+        }
+
+        /// <summary>
+        ///     Plots all configured information into an ASCII table
+        /// </summary>
+        public void PlotOverviewInAsciiTable()
+        {
+            var resourceDeclaration = _resourceDeclarationMonitor.CurrentValue;
+            PlotAzureMetadataInAsciiTable(resourceDeclaration.AzureLandscape);
+            PlotResourceDiscoveryGroupsInAsciiTable(resourceDeclaration.ResourceDiscoveryGroups);
+        }
+
+        private void PlotResourceDiscoveryGroupsInAsciiTable(List<ResourceDiscoveryGroup> resourceDiscoveryGroups)
+        {
+            var asciiTable = CreateResourceDiscoveryGroupsAsciiTable();
+
+            foreach (var resourceDiscoveryGroup in resourceDiscoveryGroups)
+            {
+                var isInclusionCriteriaConfigured = resourceDiscoveryGroup.Criteria.Include != null ? "Yes" : "No";
+                asciiTable.AddRow(resourceDiscoveryGroup.Name, resourceDiscoveryGroup.Type.Humanize(LetterCasing.Title), isInclusionCriteriaConfigured);
+            }
+
+            AnsiConsole.Render(asciiTable);
+        }
+
+        private void PlotAzureMetadataInAsciiTable(AzureLandscape azureLandscape)
+        {
+            var asciiTable = CreateAzureMetadataAsciiTable();
+
+            var rawSubscriptions = "- " + string.Join($"{Environment.NewLine} - ", azureLandscape.Subscriptions);
+
+            asciiTable.AddRow(azureLandscape.TenantId, azureLandscape.Cloud.Humanize(LetterCasing.Title), rawSubscriptions);
+
+            AnsiConsole.Render(asciiTable);
+        }
+
+        private Table CreateResourceDiscoveryGroupsAsciiTable()
+        {
+            var asciiTable = CreateAsciiTable("Resource Discovery Groups");
+
+            // Add some columns
+            asciiTable.AddColumn("Name");
+            asciiTable.AddColumn("Resource Type");
+            asciiTable.AddColumn("Is Include Criteria Configured?");
+
+            return asciiTable;
+        }
+
+        private Table CreateAzureMetadataAsciiTable()
+        {
+            var asciiTable = CreateAsciiTable("Azure Landscape");
+
+            // Add some columns
+            asciiTable.AddColumn("Tenant Id");
+            asciiTable.AddColumn("Azure Cloud");
+            asciiTable.AddColumn("Subscriptions");
+
+            return asciiTable;
+        }
+    }
+}

src/Promitor.Agents.Scraper/Extensions/IServiceCollectionExtensions.cs

@@ -14,6 +14,7 @@
 using Promitor.Agents.Scraper.Configuration;
 using Promitor.Agents.Scraper.Configuration.Sinks;
 using Promitor.Agents.Scraper.Discovery;
+using Promitor.Agents.Scraper.Usability;
 using Promitor.Agents.Scraper.Validation.Steps;
 using Promitor.Agents.Scraper.Validation.Steps.Sinks;
 using Promitor.Core;
@@ -113,6 +114,17 @@ public static IServiceCollection DefineDependencies(this IServiceCollection serv
             return services;
         }
 
+        /// <summary>
+        ///     Adds usability
+        /// </summary>
+        /// <param name="services">Collections of services in application</param>
+        public static IServiceCollection AddUsability(this IServiceCollection services)
+        {
+            services.AddTransient<MetricsTableGenerator>();
+
+            return services;
+        }
+
         /// <summary>
         ///     Defines the validation for when Promitor starts up
         /// </summary>

src/Promitor.Agents.Scraper/Program.cs

@@ -7,6 +7,7 @@
 using Promitor.Agents.Core.Configuration.Server;
 using Promitor.Agents.Core.Extensions;
 using Promitor.Agents.Core.Validation;
+using Promitor.Agents.Scraper.Usability;
 using Promitor.Core;
 using Serilog;
 
@@ -43,7 +44,9 @@ public static int Main(string[] args)
                         return (int)ExitStatus.ValidationFailed;
                     }
 
-                    Log.Logger.Information("Promitor configuration is valid, we are good to go.");                    
+                    Log.Logger.Information("Promitor configuration is valid, we are good to go.");
+
+                    PlotConfiguredMetrics(scope);
                 }
 
                 host.Run();
@@ -93,5 +96,12 @@ private static IConfigurationRoot BuildConfiguration(string configurationFolder)
 
             return configuration;
         }
+
+        private static void PlotConfiguredMetrics(IServiceScope scope)
+        {
+            var metricsTableGenerator = scope.ServiceProvider.GetRequiredService<MetricsTableGenerator>();
+            Log.Logger.Information("Here's an overview of what was configured:");
+            metricsTableGenerator.PlotOverviewInAsciiTable();
+        }
     }
 }

src/Promitor.Agents.Scraper/Startup.cs

@@ -40,6 +40,7 @@ public void ConfigureServices(IServiceCollection services)
             services.UseWebApi()
                 .AddResourceDiscoveryClient(promitorUserAgent)
                 .AddAtlassianStatuspageClient(promitorUserAgent, Configuration)
+                .AddUsability()
                 .AddHttpCorrelation()
                 .AddAutoMapper(typeof(V1MappingProfile).Assembly)
                 .DefineDependencies()