Show Promitor version during startup

changelog/content/experimental/unreleased.md

@@ -24,6 +24,7 @@ version:
 - {{% tag added %}} New validation rule to ensure declarative or dynamic discovery for metrics to scrape are configured
 - {{% tag added %}} New System API endpoint giving runtime information ([docs](https://promitor.io/operations/#system)
  | [#1208](https://github.com/tomkerkhove/promitor/issues/1208))
+- {{% tag changed %}} Show Promitor version during startup
 - {{% tag changed %}} Provide capability to scrape all queues in Azure Service Bus, instead of having to declare the
  queue name. ([#529](https://github.com/tomkerkhove/promitor/issues/529)).
 - {{% tag changed %}} Handle validation failures on startup more gracefully. ([#1113](https://github.com/tomkerkhove/promitor/issues/1113) | Contributed by [@adamconnelly](https://github.com/adamconnelly) 🎉).

src/Promitor.Agents.Core/AgentProgram.cs

@@ -1,9 +1,11 @@
-using GuardNet;
+using System;
+using GuardNet;
 using Microsoft.AspNetCore.Hosting;
 using Microsoft.Extensions.Configuration;
 using Microsoft.Extensions.Hosting;
 using Promitor.Agents.Core.Configuration.Server;
 using Serilog;
+using Version = Promitor.Core.Version;
 
 namespace Promitor.Agents.Core
 {
@@ -51,10 +53,22 @@ protected static int DetermineHttpPort(ServerConfiguration serverConfiguration)
         /// </summary>
         protected static void ConfigureStartupLogging()
         {
+            string agentVersion = Version.Get();
             Log.Logger = new LoggerConfiguration()
                 .Enrich.FromLogContext()
+                .Enrich.WithProperty("Version", agentVersion)
                 .WriteTo.Console()
                 .CreateLogger();
         }
+
+        /// <summary>
+        ///     Welcome our users and boot up!
+        /// </summary>
+        protected static void Welcome()
+        {
+            string agentVersion = Version.Get();
+            Console.WriteLine(Constants.Texts.Welcome);
+            Log.Logger.Information($"Booting up Promitor v{agentVersion} - Thank you for using Promitor!");
+        }
     }
 }

src/Promitor.Agents.ResourceDiscovery/Program.cs

@@ -18,11 +18,11 @@ public static int Main(string[] args)
         {
             try
             {
-                Welcome();
-
                 // Let's hook in a logger for start-up purposes.
                 ConfigureStartupLogging();
 
+                Welcome();
+
                 var configurationFolder = Environment.GetEnvironmentVariable(EnvironmentVariables.Configuration.Folder);
                 if (string.IsNullOrWhiteSpace(configurationFolder))
                 {
@@ -65,11 +65,6 @@ public static int Main(string[] args)
             }
         }
 
-        private static void Welcome()
-        {
-            Console.WriteLine(Constants.Texts.Welcome);
-        }
-
         public static IHostBuilder CreateHostBuilder(string[] args, string configurationFolder)
         {
             IConfiguration configuration = BuildConfiguration(args, configurationFolder);

src/Promitor.Agents.Scraper/Program.cs

@@ -9,7 +9,6 @@
 using Promitor.Agents.Core.Validation;
 using Promitor.Core;
 using Serilog;
-using Constants = Promitor.Agents.Core.Constants;
 
 namespace Promitor.Agents.Scraper
 {
@@ -19,11 +18,11 @@ public static int Main(string[] args)
         {
             try
             {
-                Welcome();
-
                 // Let's hook in a logger for start-up purposes.
                 ConfigureStartupLogging();
 
+                Welcome();
+
                 var configurationFolder = Environment.GetEnvironmentVariable(EnvironmentVariables.Configuration.Folder);
                 Log.Logger.Information($"Using configuration folder '{configurationFolder}'");
                 if (string.IsNullOrWhiteSpace(configurationFolder))
@@ -67,11 +66,6 @@ public static int Main(string[] args)
             }
         }
 
-        private static void Welcome()
-        {
-            Console.WriteLine(Constants.Texts.Welcome);
-        }
-
         public static IHostBuilder CreateHostBuilder(string[] args, string configurationFolder)
         {
             IConfiguration configuration = BuildConfiguration(configurationFolder);