Setup Robin base files

Setup base files for Robin monitoring service

.editorconfig

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+[*.cs]
+
+# CA2254: Template should be a static expression
+dotnet_diagnostic.CA2254.severity = none
+csharp_indent_labels = one_less_than_current
+csharp_using_directive_placement = outside_namespace:error
+csharp_prefer_simple_using_statement = true:error
+csharp_prefer_braces = true:silent
+csharp_style_namespace_declarations = file_scoped:error
+csharp_style_prefer_method_group_conversion = true:suggestion
+csharp_style_expression_bodied_methods = false:silent
+csharp_style_expression_bodied_constructors = false:silent
+csharp_style_expression_bodied_operators = false:silent
+csharp_style_expression_bodied_properties = true:silent
+csharp_style_expression_bodied_indexers = true:silent
+csharp_style_expression_bodied_accessors = true:silent
+csharp_style_expression_bodied_lambdas = true:silent
+csharp_style_expression_bodied_local_functions = false:silent
+csharp_indent_braces = false
+insert_final_newline = true
+csharp_space_around_binary_operators = before_and_after
+csharp_style_throw_expression = true:suggestion
+csharp_style_prefer_null_check_over_type_check = true:suggestion
+csharp_prefer_simple_default_expression = true:suggestion
+csharp_style_prefer_local_over_anonymous_function = true:error
+csharp_style_prefer_index_operator = true:suggestion
+csharp_style_prefer_range_operator = true:suggestion
+csharp_style_implicit_object_creation_when_type_is_apparent = true:suggestion
+csharp_style_prefer_tuple_swap = true:suggestion
+csharp_style_inlined_variable_declaration = true:suggestion
+csharp_style_deconstructed_variable_declaration = true:error
+csharp_style_unused_value_assignment_preference = discard_variable:error
+csharp_style_unused_value_expression_statement_preference = discard_variable:silent
+csharp_prefer_static_local_function = true:suggestion
+csharp_style_allow_embedded_statements_on_same_line_experimental = true:silent
+csharp_style_allow_blank_line_after_colon_in_constructor_initializer_experimental = true:silent
+csharp_style_allow_blank_lines_between_consecutive_braces_experimental = false:suggestion
+csharp_style_conditional_delegate_call = true:suggestion
+csharp_style_prefer_parameter_null_checking = true:suggestion
+csharp_style_prefer_switch_expression = true:suggestion
+csharp_style_prefer_pattern_matching = true:silent
+csharp_style_pattern_matching_over_is_with_cast_check = true:suggestion
+csharp_style_prefer_not_pattern = true:suggestion
+csharp_style_pattern_matching_over_as_with_null_check = true:suggestion
+csharp_style_prefer_extended_property_pattern = true:suggestion
+csharp_style_var_for_built_in_types = false:silent
+csharp_style_var_when_type_is_apparent = false:silent
+csharp_style_var_elsewhere = false:silent
+csharp_style_prefer_top_level_statements = true:suggestion
+csharp_style_prefer_utf8_string_literals = true:suggestion
+csharp_style_prefer_readonly_struct = true:suggestion
+
+[*.{cs,vb}]
+#### Naming styles ####
+
+# Naming rules
+
+dotnet_naming_rule.interface_should_be_begins_with_i.severity = error
+dotnet_naming_rule.interface_should_be_begins_with_i.symbols = interface
+dotnet_naming_rule.interface_should_be_begins_with_i.style = begins_with_i
+
+dotnet_naming_rule.types_should_be_pascal_case.severity = error
+dotnet_naming_rule.types_should_be_pascal_case.symbols = types
+dotnet_naming_rule.types_should_be_pascal_case.style = pascal_case
+
+dotnet_naming_rule.non_field_members_should_be_pascal_case.severity = error
+dotnet_naming_rule.non_field_members_should_be_pascal_case.symbols = non_field_members
+dotnet_naming_rule.non_field_members_should_be_pascal_case.style = pascal_case
+
+# Symbol specifications
+
+dotnet_naming_symbols.interface.applicable_kinds = interface
+dotnet_naming_symbols.interface.applicable_accessibilities = public, internal, private, protected, protected_internal, private_protected
+dotnet_naming_symbols.interface.required_modifiers = 
+
+dotnet_naming_symbols.types.applicable_kinds = class, struct, interface, enum
+dotnet_naming_symbols.types.applicable_accessibilities = public, internal, private, protected, protected_internal, private_protected
+dotnet_naming_symbols.types.required_modifiers = 
+
+dotnet_naming_symbols.non_field_members.applicable_kinds = property, event, method
+dotnet_naming_symbols.non_field_members.applicable_accessibilities = public, internal, private, protected, protected_internal, private_protected
+dotnet_naming_symbols.non_field_members.required_modifiers = 
+
+# Naming styles
+
+dotnet_naming_style.begins_with_i.required_prefix = I
+dotnet_naming_style.begins_with_i.required_suffix = 
+dotnet_naming_style.begins_with_i.word_separator = 
+dotnet_naming_style.begins_with_i.capitalization = pascal_case
+
+dotnet_naming_style.pascal_case.required_prefix = 
+dotnet_naming_style.pascal_case.required_suffix = 
+dotnet_naming_style.pascal_case.word_separator = 
+dotnet_naming_style.pascal_case.capitalization = pascal_case
+
+dotnet_naming_style.pascal_case.required_prefix = 
+dotnet_naming_style.pascal_case.required_suffix = 
+dotnet_naming_style.pascal_case.word_separator = 
+dotnet_naming_style.pascal_case.capitalization = pascal_case
+dotnet_style_operator_placement_when_wrapping = beginning_of_line
+tab_width = 4
+indent_size = 4
+end_of_line = crlf
+dotnet_style_coalesce_expression = true:suggestion
+dotnet_style_null_propagation = true:suggestion
+dotnet_style_prefer_is_null_check_over_reference_equality_method = true:error
+dotnet_style_prefer_auto_properties = true:error
+dotnet_style_object_initializer = true:suggestion
+dotnet_style_collection_initializer = true:suggestion
+dotnet_style_prefer_simplified_boolean_expressions = true:suggestion
+dotnet_style_prefer_conditional_expression_over_assignment = true:silent
+dotnet_style_prefer_conditional_expression_over_return = true:silent
+dotnet_style_explicit_tuple_names = true:suggestion
+dotnet_style_prefer_inferred_tuple_names = true:suggestion
+dotnet_style_prefer_inferred_anonymous_type_member_names = true:suggestion
+dotnet_style_prefer_compound_assignment = true:suggestion
+dotnet_style_prefer_simplified_interpolation = true:suggestion
+dotnet_style_namespace_match_folder = true:suggestion
+dotnet_style_readonly_field = true:suggestion
+dotnet_style_predefined_type_for_locals_parameters_members = true:silent
+dotnet_style_predefined_type_for_member_access = true:silent
+dotnet_style_require_accessibility_modifiers = for_non_interface_members:silent
+dotnet_style_allow_multiple_blank_lines_experimental = true:silent
+dotnet_style_allow_statement_immediately_after_block_experimental = false:suggestion
+dotnet_code_quality_unused_parameters = all:error
+dotnet_style_parentheses_in_arithmetic_binary_operators = always_for_clarity:suggestion
+dotnet_style_parentheses_in_other_binary_operators = always_for_clarity:suggestion
+dotnet_style_parentheses_in_relational_binary_operators = always_for_clarity:suggestion
+dotnet_style_parentheses_in_other_operators = never_if_unnecessary:suggestion
+dotnet_style_qualification_for_field = true:error
+dotnet_style_qualification_for_property = true:error
+dotnet_style_qualification_for_method = true:error
+dotnet_style_qualification_for_event = true:error
+dotnet_diagnostic.CA1000.severity = error
+
+[*.vb]
+dotnet_diagnostic.CA1047.severity = error

.gitignore

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+robin/bin/*
+robin/obj/*
+robin/.env

ServerManagementUtils.sln

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+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio Version 17
+VisualStudioVersion = 17.5.2.0
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "robin", "robin\robin.csproj", "{A085BD72-D58C-10EC-30F2-771502387E48}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Any CPU = Debug|Any CPU
+		Release|Any CPU = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{A085BD72-D58C-10EC-30F2-771502387E48}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{A085BD72-D58C-10EC-30F2-771502387E48}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{A085BD72-D58C-10EC-30F2-771502387E48}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{A085BD72-D58C-10EC-30F2-771502387E48}.Release|Any CPU.Build.0 = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+	GlobalSection(ExtensibilityGlobals) = postSolution
+		SolutionGuid = {295E5EEF-E6AD-459F-B2B1-21E624094138}
+	EndGlobalSection
+EndGlobal

robin/Configuration/BuilderExtensions.cs

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+using System.Core.Extensions;
+using Microsoft.Extensions.Configuration;
+using Microsoft.Extensions.Hosting;
+
+namespace Robin.Configuration;
+
+public static class BuilderExtensions
+{
+    public static IHostApplicationBuilder AddEnvironmentVariables(
+        this IHostApplicationBuilder builder
+    )
+    {
+        DotNetEnv.Env.Load();
+        builder.ThrowIfNull().Configuration.AddEnvironmentVariables();
+        return builder;
+    }
+
+    public static IHostApplicationBuilder AddAppsettings(this IHostApplicationBuilder builder)
+    {
+        builder
+            .ThrowIfNull()
+            .Configuration.AddJsonFile(
+                path: "appsettings.json",
+                optional: false,
+                reloadOnChange: true
+            );
+        return builder;
+    }
+}

robin/Dockerfile

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+FROM mcr.microsoft.com/dotnet/sdk:10.0 AS build
+WORKDIR /src
+
+# Copy csproj and restore as distinct layers
+COPY robin/Robin.csproj ./robin/
+RUN dotnet restore ./robin/Robin.csproj
+
+# Copy everything else and build
+COPY . .
+WORKDIR /src/robin
+RUN dotnet publish -c Release -o /app
+
+# Build runtime image
+FROM mcr.microsoft.com/dotnet/aspnet:10.0
+WORKDIR /app
+COPY --from=build /app .
+ENTRYPOINT ["dotnet", "Robin.dll"]

robin/Logging/BuilderExtensions.cs

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+using System.Core.Extensions;
+using Microsoft.Extensions.Hosting;
+using Microsoft.Extensions.Logging;
+using Serilog;
+using Serilog.Settings.Configuration;
+
+namespace Robin.Logging;
+
+public static class BuilderExtensions
+{
+    public static IHostApplicationBuilder ClearProviders(this IHostApplicationBuilder builder)
+    {
+        builder.ThrowIfNull().Logging.ClearProviders();
+
+        return builder;
+    }
+
+    public static IHostApplicationBuilder AddSerilog(this IHostApplicationBuilder builder)
+    {
+        builder
+            .ThrowIfNull()
+            .Logging.ClearProviders()
+            .AddSerilog(
+                new LoggerConfiguration()
+                    .ReadFrom.Configuration(
+                        builder.Configuration,
+                        new ConfigurationReaderOptions(
+                            typeof(ConsoleLoggerConfigurationExtensions).Assembly
+                        )
+                        {
+                            SectionName = "Serilog",
+                        }
+                    )
+                    .Enrich.FromLogContext()
+                    .WriteTo.Console(
+                        outputTemplate: "[{Timestamp:yyyy-MM-dd HH:mm:ss}] {Level:u4}: [{SourceContext}]{NewLine}{Message:lj}{NewLine}{Exception}",
+                        theme: Serilog.Sinks.SystemConsole.Themes.SystemConsoleTheme.Colored
+                    )
+                    .CreateLogger()
+            );
+
+        return builder;
+    }
+}

robin/Options/BuilderExtensions.cs

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+using Microsoft.Extensions.DependencyInjection;
+using Microsoft.Extensions.Hosting;
+
+namespace Robin.Options;
+
+public static class BuilderExtensions
+{
+    public static IHostApplicationBuilder AddRobinOptions(this IHostApplicationBuilder builder)
+    {
+        builder
+            .Services.AddOptions<MonitorOptions>()
+            .Bind(builder.Configuration.GetSection("Monitor"));
+
+        return builder;
+    }
+}

robin/Options/MonitorOptions.cs

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+namespace Robin.Options;
+
+public sealed class MonitorOptions()
+{
+    public required List<string> Paths { get; init; } = [];
+}

robin/Program.cs

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+using Microsoft.Extensions.Configuration;
+using Microsoft.Extensions.Hosting;
+using Microsoft.Extensions.Logging;
+using Robin.Configuration;
+using Robin.Logging;
+using Robin.Options;
+using Robin.Services;
+using Serilog;
+
+var builder = Host.CreateApplicationBuilder(args);
+builder
+    .AddAppsettings()
+    .AddEnvironmentVariables()
+    .ClearProviders()
+    .AddSerilog()
+    .AddRobinOptions()
+    .AddRobinServices();
+
+var host = builder.Build();
+
+await host.RunAsync();

robin/Robin.csproj

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+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFramework>net10.0</TargetFramework>
+    <LangVersion>latest</LangVersion>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+    <PublishAot>true</PublishAot>
+    <InvariantGlobalization>true</InvariantGlobalization>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="DotNetEnv" Version="3.1.1" />
+    <PackageReference Include="Microsoft.Extensions.FileSystemGlobbing" Version="10.0.0" />
+    <PackageReference Include="Microsoft.Extensions.Hosting" Version="10.0.0" />
+    <PackageReference Include="Microsoft.Extensions.Options.DataAnnotations" Version="10.0.0" />
+    <PackageReference Include="Serilog.Enrichers.Process" Version="3.0.0" />
+    <PackageReference Include="Serilog.Extensions.Logging" Version="10.0.0" />
+    <PackageReference Include="Serilog.Formatting.Elasticsearch" Version="10.0.0" />
+    <PackageReference Include="Serilog.Settings.Configuration" Version="9.0.0" />
+    <PackageReference Include="Serilog.Sinks.Console" Version="6.1.1" />
+    <PackageReference Include="SystemExtensions.NetCore" Version="1.6.12" />
+  </ItemGroup>
+ 
+  <ItemGroup>
+    <Content Include="appsettings*.json" CopyToOutputDirectory="PreserveNewest" />
+    <Content Include=".env*" CopyToOutputDirectory="PreserveNewest" />
+  </ItemGroup> 
+</Project>

robin/Services/BuilderExtensions.cs

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+using System.Core.Extensions;
+using Microsoft.Extensions.DependencyInjection;
+using Microsoft.Extensions.Hosting;
+
+namespace Robin.Services;
+
+public static class BuilderExtensions
+{
+    public static IHostApplicationBuilder AddRobinServices(this IHostApplicationBuilder builder)
+    {
+        builder.ThrowIfNull();
+        builder.Services.AddHostedService<MonitoringService>();
+
+        return builder;
+    }
+}

robin/Services/MonitoringService.cs

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+using System.Extensions.Core;
+using Microsoft.Extensions.Hosting;
+using Microsoft.Extensions.Logging;
+using Microsoft.Extensions.Options;
+using Robin.Options;
+
+namespace Robin.Services;
+
+public sealed class MonitoringService(
+    IOptions<MonitorOptions> options,
+    ILogger<MonitoringService> logger
+) : IHostedLifecycleService
+{
+    private readonly MonitorOptions options = options.Value;
+    private readonly ILogger<MonitoringService> logger = logger;
+    private readonly List<FileSystemWatcher> watchers = [];
+
+    public Task StartAsync(CancellationToken cancellationToken) => Task.CompletedTask;
+
+    public Task StartedAsync(CancellationToken cancellationToken) =>
+        this.MonitorFiles(cancellationToken);
+
+    public Task StartingAsync(CancellationToken cancellationToken) => Task.CompletedTask;
+
+    public Task StopAsync(CancellationToken cancellationToken) => Task.CompletedTask;
+
+    public Task StoppedAsync(CancellationToken cancellationToken) => Task.CompletedTask;
+
+    public Task StoppingAsync(CancellationToken cancellationToken) => Task.CompletedTask;
+
+    public async Task MonitorFiles(CancellationToken cancellationToken)
+    {
+        var scopedLogger = this.logger.CreateScopedLogger();
+        scopedLogger.LogDebug(
+            "Starting file monitoring service. Parsing provided paths {paths}",
+            string.Join(", ", this.options.Paths)
+        );
+        var expandedPaths = ExpandPaths(this.options.Paths);
+        scopedLogger.LogInformation(
+            "Monitoring the following files: {files}",
+            string.Join(", ", expandedPaths)
+        );
+
+        foreach (var filePath in expandedPaths)
+        {
+            var watcher = CreateWatcher(filePath);
+            if (watcher is null)
+            {
+                scopedLogger.LogWarning("Failed to watch file: {file}", filePath);
+                continue;
+            }
+
+            this.watchers.Add(watcher);
+            scopedLogger.LogDebug("Watching file: {file}", filePath);
+        }
+    }
+
+    private FileSystemWatcher? CreateWatcher(string filePath)
+    {
+        var scpoedLogger = this.logger.CreateScopedLogger();
+        var directory = Path.GetDirectoryName(filePath);
+        var fileName = Path.GetFileName(filePath);
+        if (directory is null || fileName is null)
+        {
+            scpoedLogger.LogWarning("Invalid file path: {filePath}", filePath);
+            return default;
+        }
+
+        var watcher = new FileSystemWatcher(directory, fileName)
+        {
+            NotifyFilter = NotifyFilters.LastWrite | NotifyFilters.Size,
+            EnableRaisingEvents = true,
+        };
+
+        watcher.Changed += this.OnFileChanged;
+        watcher.Error += this.OnWatcherError;
+        return watcher;
+    }
+
+    private void OnFileChanged(object sender, FileSystemEventArgs e)
+    {
+        var scopedLogger = this.logger.CreateScopedLogger();
+        scopedLogger.LogDebug("File changed: {file}", e.FullPath);
+        // TODO:: Read changes and push to Elastic
+    }
+
+    private void OnWatcherError(object sender, ErrorEventArgs e)
+    {
+        var scopedLogger = this.logger.CreateScopedLogger();
+        scopedLogger.LogError(e.GetException(), "Watcher error");
+    }
+
+    public void Dispose()
+    {
+        foreach (var watcher in this.watchers)
+        {
+            watcher.Changed -= this.OnFileChanged;
+            watcher.Error -= this.OnWatcherError;
+            watcher.Dispose();
+        }
+
+        this.watchers.Clear();
+    }
+
+    private static List<string> ExpandPaths(List<string>? patterns)
+    {
+        if (patterns is null || patterns.Count == 0)
+        {
+            return [];
+        }
+
+        var results = new List<string>();
+        foreach (var pattern in patterns)
+        {
+            var directory = Path.GetDirectoryName(pattern);
+            var filePattern = Path.GetFileName(pattern);
+            if (string.IsNullOrEmpty(directory) || !Directory.Exists(directory))
+            {
+                continue;
+            }
+
+            results.AddRange(Directory.GetFiles(directory, filePattern));
+        }
+
+        return results;
+    }
+}

robin/appsettings.json

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+{
+  "Serilog": {
+    "MinimumLevel": {
+      "Default": "Information",
+      "Override": {
+        "Microsoft": "Information",
+        "Microsoft.Hosting.Lifetime": "Information",
+        "Robin.Services": "Debug"
+      }
+    }
+  }
+}

robin/docker-compose.yml

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+version: "3.8"
+
+services:
+  app:
+    build:
+      context: .
+      dockerfile: Dockerfile
+    container_name: robin
+    env_file:
+      - .env
+    restart: unless-stopped