feat(logging): add slack provider (#4)

.gitignore

@@ -11,7 +11,8 @@ bld/
 [Bb]in/
 [Oo]bj/
 [Ll]og/
-
+appsettings.Development.json
+appsettings.Production.json
 *.DS_STORE
 [Tt]humbs.db
 

Micro.Starter.Api/Configs/SlackLoggingConfig.cs

@@ -0,0 +1,10 @@
+using Microsoft.Extensions.Logging;
+
+namespace Micro.Starter.Api.Configs
+{
+    public class SlackLoggingConfig
+    {
+        public string WebhookUrl { set; get; }
+        public LogLevel MinLogLevel { set; get; }
+    }
+}

Micro.Starter.Api/Micro.Starter.Api.csproj

@@ -7,6 +7,7 @@
     <ItemGroup>
       <PackageReference Include="Microsoft.AspNetCore.Mvc.Versioning" Version="4.0.0-preview8.19405.7" />
       <PackageReference Include="Microsoft.EntityFrameworkCore.Design" Version="3.0.0-preview8.19405.11" />
+      <PackageReference Include="Microsoft.Extensions.Logging.Slack" Version="1.1.0" />
       <PackageReference Include="Npgsql.EntityFrameworkCore.PostgreSQL" Version="3.0.0-preview8" />
       <PackageReference Include="Npgsql.EntityFrameworkCore.PostgreSQL.Design" Version="1.1.1" />
     </ItemGroup>

Micro.Starter.Api/Startup.cs

@@ -1,3 +1,4 @@
+using System;
 using Micro.Starter.Api.Configs;
 using Micro.Starter.Api.Models;
 using Micro.Starter.Api.Repository;
@@ -9,6 +10,9 @@
 using Microsoft.Extensions.Configuration;
 using Microsoft.Extensions.DependencyInjection;
 using Microsoft.Extensions.Hosting;
+using Microsoft.Extensions.Logging;
+using Microsoft.Extensions.Logging.Slack;
+using Microsoft.Extensions.Options;
 
 namespace Micro.Starter.Api
 {
@@ -47,6 +51,7 @@ private static void ConfigureDependencies(IServiceCollection services)
         private static void AddConfiguration(IServiceCollection services, IConfiguration configuration)
         {
             services.Configure<DatabaseConfig>(configuration.GetSection("DatabaseConfig"));
+            services.Configure<SlackLoggingConfig>(configuration.GetSection("Logging").GetSection("Slack"));
         }
 
         private static void RegisterWorker(IServiceCollection services)
@@ -55,8 +60,9 @@ private static void RegisterWorker(IServiceCollection services)
         }
 
         // This method gets called by the runtime. Use this method to configure the HTTP request pipeline.
-        public void Configure(IApplicationBuilder app, IWebHostEnvironment env)
+        public void Configure(IApplicationBuilder app, IWebHostEnvironment env, ILoggerFactory loggerFactory, IOptions<SlackLoggingConfig> slackConfig)
         {
+            ConfigureSlack(loggerFactory, slackConfig.Value, env);
             if (env.IsDevelopment())
             {
                 app.UseDeveloperExceptionPage();
@@ -68,5 +74,18 @@ public void Configure(IApplicationBuilder app, IWebHostEnvironment env)
 
             app.UseEndpoints(endpoints => { endpoints.MapControllers(); });
         }
+
+        private static void ConfigureSlack(ILoggerFactory loggerFactory, SlackLoggingConfig slackConfig, IWebHostEnvironment env)
+        {
+            if (string.IsNullOrEmpty(slackConfig.WebhookUrl))
+            {
+                return;
+            }
+            loggerFactory.AddSlack(new SlackConfiguration
+            {
+                MinLevel = slackConfig.MinLogLevel,
+                WebhookUrl = new Uri(slackConfig.WebhookUrl)
+            }, env.ApplicationName, env.EnvironmentName);
+        }
     }
 }

Micro.Starter.Api/appsettings.json

@@ -4,6 +4,10 @@
       "Default": "Information",
       "Microsoft": "Warning",
       "Microsoft.Hosting.Lifetime": "Information"
+    },
+    "Slack": {
+      "WebhookUrl": "",
+      "LogLevel": "Warning"
     }
   },
   "DatabaseConfig": {