common: send more info in /version endpoint

Streetwriters.Common/Constants.cs

@@ -25,6 +25,7 @@ namespace Streetwriters.Common
     {
         public static bool IS_SELF_HOSTED => Environment.GetEnvironmentVariable("SELF_HOSTED") == "1";
         public static bool DISABLE_ACCOUNT_CREATION => Environment.GetEnvironmentVariable("DISABLE_ACCOUNT_CREATION") == "1";
+        public static string INSTANCE_NAME => Environment.GetEnvironmentVariable("INSTANCE_NAME") ?? "default";
 
         // S3 related
         public static string S3_ACCESS_KEY => Environment.GetEnvironmentVariable("S3_ACCESS_KEY");

Streetwriters.Common/Extensions/AppBuilderExtensions.cs

@@ -18,6 +18,8 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
 
 using System;
+using System.Collections.Generic;
+using System.Text.Json;
 using Microsoft.AspNetCore.Builder;
 using Microsoft.AspNetCore.Http;
 using Microsoft.Extensions.DependencyInjection;
@@ -30,13 +32,20 @@ namespace Streetwriters.Common.Extensions
 {
     public static class AppBuilderExtensions
     {
-        public static IApplicationBuilder UseVersion(this IApplicationBuilder app)
+        public static IApplicationBuilder UseVersion(this IApplicationBuilder app, Server server)
         {
             app.Map("/version", (app) =>
             {
                 app.Run(async context =>
                 {
-                    await context.Response.WriteAsync(Version.AsString());
+                    context.Response.ContentType = "application/json";
+                    var data = new Dictionary<string, string>
+                    {
+                        { "version", Version.AsString() },
+                        { "id", server.Id },
+                        { "instance", Constants.INSTANCE_NAME }
+                    };
+                    await context.Response.WriteAsync(JsonSerializer.Serialize(data));
                 });
             });
             return app;

Streetwriters.Common/Servers.cs

@@ -34,7 +34,7 @@ namespace Streetwriters.Common
             if (!string.IsNullOrEmpty(originCertPath) && !string.IsNullOrEmpty(originCertKeyPath))
                 this.SSLCertificate = X509Certificate2.CreateFromPemFile(originCertPath, originCertKeyPath);
         }
-
+        public string Id { get; set; }
         public int Port { get; set; }
         public string Hostname { get; set; }
         public string Domain { get; set; }
@@ -95,6 +95,7 @@ namespace Streetwriters.Common
             Domain = Constants.NOTESNOOK_SERVER_DOMAIN,
             Port = Constants.NOTESNOOK_SERVER_PORT,
             Hostname = Constants.NOTESNOOK_SERVER_HOST,
+            Id = "notesnook-sync"
         };
 
         public static Server MessengerServer { get; } = new(Constants.SSE_CERT_PATH, Constants.SSE_CERT_KEY_PATH)
@@ -102,6 +103,7 @@ namespace Streetwriters.Common
             Domain = Constants.SSE_SERVER_DOMAIN,
             Port = Constants.SSE_SERVER_PORT,
             Hostname = Constants.SSE_SERVER_HOST,
+            Id = "sse"
         };
 
         public static Server IdentityServer { get; } = new(Constants.IDENTITY_CERT_PATH, Constants.IDENTITY_CERT_KEY_PATH)
@@ -109,6 +111,7 @@ namespace Streetwriters.Common
             Domain = Constants.IDENTITY_SERVER_DOMAIN,
             Port = Constants.IDENTITY_SERVER_PORT,
             Hostname = Constants.IDENTITY_SERVER_HOST,
+            Id = "auth"
         };
 
         public static Server SubscriptionServer { get; } = new(Constants.SUBSCRIPTIONS_CERT_PATH, Constants.SUBSCRIPTIONS_CERT_KEY_PATH)
@@ -116,6 +119,7 @@ namespace Streetwriters.Common
             Domain = Constants.SUBSCRIPTIONS_SERVER_DOMAIN,
             Port = Constants.SUBSCRIPTIONS_SERVER_PORT,
             Hostname = Constants.SUBSCRIPTIONS_SERVER_HOST,
+            Id = "subscription"
         };
     }
 }

Streetwriters.Common/Version.cs

@@ -21,8 +21,8 @@ namespace Streetwriters.Common
 {
     public class Version
     {
-        public const int MAJOR = 2;
+        public const int MAJOR = 1;
-        public const int MINOR = 3;
+        public const int MINOR = 0;
         public const int PATCH = 0;
         public static string AsString()
         {