Added .coordreload which will reload coord.yml when using NadekoBot.Coordinator

- bots with more than 1 shard will now use redis strings provider

src/NadekoBot/Bot.cs

@@ -105,7 +105,7 @@ namespace NadekoBot
                 .AddSingleton<ISeria, JsonSeria>()
                 .AddSingleton<IPubSub, RedisPubSub>()
                 .AddSingleton<IConfigSeria, YamlSeria>()
-                .AddBotStringsServices()
+                .AddBotStringsServices(_creds.TotalShards)
                 .AddConfigServices()
                 .AddConfigMigrators()
                 .AddMemoryCache()

src/NadekoBot/Common/Extensions/ServiceCollectionExtensions.cs

@@ -14,10 +14,14 @@ namespace NadekoBot.Extensions
 {
     public static class ServiceCollectionExtensions
     {
-        public static IServiceCollection AddBotStringsServices(this IServiceCollection services)
+        public static IServiceCollection AddBotStringsServices(this IServiceCollection services, int totalShards)
-            => services
+            => totalShards <= 1
+                ? services
                     .AddSingleton<IStringsSource, LocalFileStringsSource>()
                     .AddSingleton<IBotStringsProvider, LocalBotStringsProvider>()
+                    .AddSingleton<IBotStrings, BotStrings>()
+                : services.AddSingleton<IStringsSource, LocalFileStringsSource>()
+                    .AddSingleton<IBotStringsProvider, RedisBotStringsProvider>()
                     .AddSingleton<IBotStrings, BotStrings>();
 
         public static IServiceCollection AddConfigServices(this IServiceCollection services)

src/NadekoBot/Modules/Administration/SelfCommands.cs

@@ -507,6 +507,14 @@ namespace NadekoBot.Modules.Administration
                 await ReplyConfirmLocalizedAsync(strs.bot_strings_reloaded).ConfigureAwait(false);
             }
             
+            [NadekoCommand, Aliases]
+            [OwnerOnly]
+            public async Task CoordReload()
+            {
+                await _coord.Reload();
+                await ctx.OkAsync();
+            }
+
             private static UserStatus SettableUserStatusToUserStatus(SettableUserStatus sus)
             {
                 switch (sus)

src/NadekoBot/Services/ICoordinator.cs

@@ -1,5 +1,6 @@
 using System;
 using System.Collections.Generic;
+using System.Threading.Tasks;
 
 namespace NadekoBot.Services
 {
@@ -10,6 +11,7 @@ namespace NadekoBot.Services
         bool RestartShard(int shardId);
         IList<ShardStatus> GetAllShardStatuses();
         int GetGuildCount();
+        Task Reload();
     }
     
     public class ShardStatus

src/NadekoBot/Services/Impl/RemoteGrpcCoordinator.cs

@@ -79,6 +79,11 @@ namespace NadekoBot.Services
             return res.Statuses.Sum(x => x.GuildCount);
         }
 
+        public async Task Reload()
+        {
+            await _coordClient.ReloadAsync(new());
+        }
+
         public Task OnReadyAsync()
         {
             Task.Run(async () =>

src/NadekoBot/Services/Impl/SingleProcessCoordinator.cs

@@ -64,5 +64,10 @@ namespace NadekoBot.Services
         {
             return _client.Guilds.Count;
         }
+
+        public Task Reload()
+        {
+            return Task.CompletedTask;
+        }
     }
 }

src/NadekoBot/data/aliases.yml

@@ -1263,3 +1263,5 @@ imageonlychannel:
   - imageonlychannel
   - imageonly
   - imagesonly
+coordreload:
+  - coordreload

src/NadekoBot/data/strings/commands/commands.en-US.yml

@@ -2139,3 +2139,7 @@ imageonlychannel:
     Users who send more than a few non-image messages will be banned from using the channel. 
   args:
     - ""
+coordreload:
+  desc: "Reloads coordinator config"
+  args:
+    - ""