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Update shard status tracker for new library

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This commit is contained in:
Ske
2020-05-01 17:30:12 +02:00
parent d0f1aeb548
commit 48833639e2
3 changed files with 84 additions and 59 deletions
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15
PluralKit.Bot/Bot.cs
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@@ -118,9 +118,6 @@ namespace PluralKit.Bot
public Task Init()
{
// DiscordShardedClient SocketErrored/Ready events also fire whenever an individual shard's respective events fire
_client.SocketErrored += ShardDisconnected;
_client.Ready += ShardReady;
_client.DebugLogger.LogMessageReceived += FrameworkLog;
_client.MessageCreated += args => HandleEvent(eh => eh.HandleMessage(args));
@@ -137,12 +134,6 @@ namespace PluralKit.Bot
return Task.CompletedTask;
}
private Task ShardDisconnected(SocketErrorEventArgs e)
{
_logger.Warning(e.Exception, $"Shard #{e.Client.ShardId} disconnected");
return Task.CompletedTask;
}
private void FrameworkLog(object sender, DebugLogMessageEventArgs args)
{
// Bridge D#+ logging to Serilog
@@ -185,12 +176,6 @@ namespace PluralKit.Bot
}
}
private Task ShardReady(ReadyEventArgs e)
{
_logger.Information("Shard {Shard} connected to {ChannelCount} channels in {GuildCount} guilds", e.Client.ShardId, e.Client.Guilds.Sum(g => g.Value.Channels.Count), e.Client.Guilds.Count);
return Task.CompletedTask;
}
private Task HandleEvent(Func<PKEventHandler, Task> handler)
{
// Inner function so we can await the handler without stalling the entire pipeline

31
PluralKit.Bot/Commands/Misc.cs
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@@ -52,20 +52,23 @@ namespace PluralKit.Bot {
public async Task Stats(Context ctx)
{
var timeBefore = SystemClock.Instance.GetCurrentInstant();
var msg = await ctx.Reply($"...");
var timeAfter = SystemClock.Instance.GetCurrentInstant();
var apiLatency = timeAfter - timeBefore;
var messagesReceived = _metrics.Snapshot.GetForContext("Bot").Meters.First(m => m.MultidimensionalName == BotMetrics.MessagesReceived.Name).Value;
var messagesProxied = _metrics.Snapshot.GetForContext("Bot").Meters.First(m => m.MultidimensionalName == BotMetrics.MessagesProxied.Name).Value;
var commandsRun = _metrics.Snapshot.GetForContext("Bot").Meters.First(m => m.MultidimensionalName == BotMetrics.CommandsRun.Name).Value;
var messagesReceived = _metrics.Snapshot.GetForContext("Bot").Meters.FirstOrDefault(m => m.MultidimensionalName == BotMetrics.MessagesReceived.Name)?.Value;
var messagesProxied = _metrics.Snapshot.GetForContext("Bot").Meters.FirstOrDefault(m => m.MultidimensionalName == BotMetrics.MessagesProxied.Name)?.Value;
var commandsRun = _metrics.Snapshot.GetForContext("Bot").Meters.FirstOrDefault(m => m.MultidimensionalName == BotMetrics.CommandsRun.Name)?.Value;
var totalSystems = _metrics.Snapshot.GetForContext("Application").Gauges.First(m => m.MultidimensionalName == CoreMetrics.SystemCount.Name).Value;
var totalMembers = _metrics.Snapshot.GetForContext("Application").Gauges.First(m => m.MultidimensionalName == CoreMetrics.MemberCount.Name).Value;
var totalSwitches = _metrics.Snapshot.GetForContext("Application").Gauges.First(m => m.MultidimensionalName == CoreMetrics.SwitchCount.Name).Value;
var totalMessages = _metrics.Snapshot.GetForContext("Application").Gauges.First(m => m.MultidimensionalName == CoreMetrics.MessageCount.Name).Value;
var totalSystems = _metrics.Snapshot.GetForContext("Application").Gauges.FirstOrDefault(m => m.MultidimensionalName == CoreMetrics.SystemCount.Name)?.Value ?? 0;
var totalMembers = _metrics.Snapshot.GetForContext("Application").Gauges.FirstOrDefault(m => m.MultidimensionalName == CoreMetrics.MemberCount.Name)?.Value ?? 0;
var totalSwitches = _metrics.Snapshot.GetForContext("Application").Gauges.FirstOrDefault(m => m.MultidimensionalName == CoreMetrics.SwitchCount.Name)?.Value ?? 0;
var totalMessages = _metrics.Snapshot.GetForContext("Application").Gauges.FirstOrDefault(m => m.MultidimensionalName == CoreMetrics.MessageCount.Name)?.Value ?? 0;
var shardId = ctx.Shard.ShardId;
var shardTotal = ctx.Client.ShardClients.Count;
var shardUpTotal = ctx.Client.ShardClients.Where(x => x.Value.IsConnected()).Count();
var shardUpTotal = _shards.Shards.Where(x => x.Connected).Count();
var shardInfo = _shards.GetShardInfo(ctx.Shard);
var process = Process.GetCurrentProcess();
@@ -73,15 +76,17 @@ namespace PluralKit.Bot {
var shardUptime = SystemClock.Instance.GetCurrentInstant() - shardInfo.LastConnectionTime;
var embed = new DiscordEmbedBuilder()
.AddField("Messages processed", $"{messagesReceived.OneMinuteRate * 60:F1}/m ({messagesReceived.FifteenMinuteRate * 60:F1}/m over 15m)", true)
.AddField("Messages proxied", $"{messagesProxied.OneMinuteRate * 60:F1}/m ({messagesProxied.FifteenMinuteRate * 60:F1}/m over 15m)", true)
.AddField("Commands executed", $"{commandsRun.OneMinuteRate * 60:F1}/m ({commandsRun.FifteenMinuteRate * 60:F1}/m over 15m)", true)
var embed = new DiscordEmbedBuilder();
if (messagesReceived != null) embed.AddField("Messages processed",$"{messagesReceived.OneMinuteRate * 60:F1}/m ({messagesReceived.FifteenMinuteRate * 60:F1}/m over 15m)", true);
if (messagesProxied != null) embed.AddField("Messages proxied", $"{messagesProxied.OneMinuteRate * 60:F1}/m ({messagesProxied.FifteenMinuteRate * 60:F1}/m over 15m)", true);
if (commandsRun != null) embed.AddField("Commands executed", $"{commandsRun.OneMinuteRate * 60:F1}/m ({commandsRun.FifteenMinuteRate * 60:F1}/m over 15m)", true);
embed
.AddField("Current shard", $"Shard #{shardId} (of {shardTotal} total, {shardUpTotal} are up)", true)
.AddField("Shard uptime", $"{DateTimeFormats.DurationFormat.Format(shardUptime)} ({shardInfo.DisconnectionCount} disconnections)", true)
.AddField("CPU usage", $"{_cpu.LastCpuMeasure:P1}", true)
.AddField("Memory usage", $"{memoryUsage / 1024 / 1024} MiB", true)
.AddField("Latency", $"API: {(msg.Timestamp - ctx.Message.Timestamp).TotalMilliseconds:F0} ms, shard: {shardInfo.ShardLatency} ms", true)
.AddField("Latency", $"API: {apiLatency.TotalMilliseconds:F0} ms, shard: {shardInfo.ShardLatency.Milliseconds} ms", true)
.AddField("Total numbers", $"{totalSystems:N0} systems, {totalMembers:N0} members, {totalSwitches:N0} switches, {totalMessages:N0} messages");
await msg.ModifyAsync("", embed.Build());
}

97
PluralKit.Bot/Services/ShardInfoService.cs
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@@ -1,10 +1,13 @@
using System;
using System.Collections.Generic;
using System.Threading.Tasks;
using DSharpPlus;
using DSharpPlus.EventArgs;
using NodaTime;
using NodaTime.Extensions;
using Serilog;
namespace PluralKit.Bot
{
@@ -13,47 +16,79 @@ namespace PluralKit.Bot
public class ShardInfo
{
public Instant LastConnectionTime;
public Instant LastHeartbeatTime;
public int DisconnectionCount;
public int ShardLatency;
public Duration ShardLatency;
public bool Connected;
}
private ILogger _logger;
private Dictionary<int, ShardInfo> _shardInfo = new Dictionary<int, ShardInfo>();
public ShardInfoService(ILogger logger)
{
_logger = logger.ForContext<ShardInfoService>();
}
public void Init(DiscordShardedClient client)
{
foreach (var i in client.ShardClients.Keys)
foreach (var i in client.ShardClients.Keys)
{
_shardInfo[i] = new ShardInfo();
// TODO
// client.ShardConnected += ShardConnected;
// client.ShardDisconnected += ShardDisconnected;
// client.ShardReady += ShardReady;
// client.ShardLatencyUpdated += ShardLatencyUpdated;
var shard = client.ShardClients[i];
shard.Heartbeated += Heartbeated;
shard.SocketClosed += SocketClosed;
shard.SocketOpened += () => SocketOpened(shard);
shard.Ready += Ready;
shard.Resumed += Resumed;
}
}
private Task Resumed(ReadyEventArgs e)
{
_logger.Information("Shard #{Shard} resumed connection", e.Client.ShardId);
_shardInfo[e.Client.ShardId].LastConnectionTime = SystemClock.Instance.GetCurrentInstant();
_shardInfo[e.Client.ShardId].Connected = true;
return Task.CompletedTask;
}
private Task Ready(ReadyEventArgs e)
{
_logger.Information("Shard #{Shard} sent Ready event", e.Client.ShardId);
_shardInfo[e.Client.ShardId].LastConnectionTime = SystemClock.Instance.GetCurrentInstant();
_shardInfo[e.Client.ShardId].Connected = true;
return Task.CompletedTask;
}
private Task SocketOpened(DiscordClient shard)
{
// TODO: do we need this at all? vs. Ready/Resumed
_logger.Information("Shard #{Shard} connected", shard.ShardId);
_shardInfo[shard.ShardId].LastConnectionTime = SystemClock.Instance.GetCurrentInstant();
_shardInfo[shard.ShardId].Connected = true;
return Task.CompletedTask;
}
private Task SocketClosed(SocketCloseEventArgs e)
{
_logger.Warning("Shard #{Shard} disconnected ({CloseCode}: {CloseMessage})", e.Client.ShardId, e.CloseCode, e.CloseMessage);
_shardInfo[e.Client.ShardId].DisconnectionCount++;
_shardInfo[e.Client.ShardId].Connected = false;
return Task.CompletedTask;
}
private Task Heartbeated(HeartbeatEventArgs e)
{
var latency = Duration.FromMilliseconds(e.Ping);
_logger.Information("Shard #{Shard} received heartbeat (latency: {Latency} ms)", e.Client.ShardId, latency.Milliseconds);
_shardInfo[e.Client.ShardId].LastHeartbeatTime = e.Timestamp.ToInstant();
_shardInfo[e.Client.ShardId].ShardLatency = latency;
return Task.CompletedTask;
}
public ShardInfo GetShardInfo(DiscordClient shard) => _shardInfo[shard.ShardId];
private Task ShardLatencyUpdated(int oldLatency, int newLatency, DiscordClient shard)
{
_shardInfo[shard.ShardId].ShardLatency = newLatency;
return Task.CompletedTask;
}
private Task ShardReady(DiscordClient shard)
{
return Task.CompletedTask;
}
private Task ShardDisconnected(Exception e, DiscordClient shard)
{
_shardInfo[shard.ShardId].DisconnectionCount++;
return Task.CompletedTask;
}
private Task ShardConnected(DiscordClient shard)
{
_shardInfo[shard.ShardId].LastConnectionTime = SystemClock.Instance.GetCurrentInstant();
return Task.CompletedTask;
}
public ICollection<ShardInfo> Shards => _shardInfo.Values;
}
}