101 lines
3.9 KiB
C#
101 lines
3.9 KiB
C#
using System.Diagnostics;
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using System.Threading.Tasks;
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using App.Metrics;
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using Dapper;
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using Myriad.Cache;
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using Myriad.Types;
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using NodaTime.Extensions;
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using PluralKit.Core;
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using Serilog;
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namespace PluralKit.Bot
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{
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public class PeriodicStatCollector
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{
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private readonly IMetrics _metrics;
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private readonly IDiscordCache _cache;
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private readonly CpuStatService _cpu;
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private readonly IDatabase _db;
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private readonly WebhookCacheService _webhookCache;
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private readonly DbConnectionCountHolder _countHolder;
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private readonly ILogger _logger;
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public PeriodicStatCollector(IMetrics metrics, ILogger logger, WebhookCacheService webhookCache, DbConnectionCountHolder countHolder, CpuStatService cpu, IDatabase db, IDiscordCache cache)
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{
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_metrics = metrics;
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_webhookCache = webhookCache;
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_countHolder = countHolder;
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_cpu = cpu;
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_db = db;
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_cache = cache;
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_logger = logger.ForContext<PeriodicStatCollector>();
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}
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public async Task CollectStats()
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{
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var stopwatch = new Stopwatch();
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stopwatch.Start();
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// Aggregate guild/channel stats
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var guildCount = 0;
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var channelCount = 0;
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// No LINQ today, sorry
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await foreach (var guild in _cache.GetAllGuilds())
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{
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guildCount++;
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foreach (var channel in _cache.GetGuildChannels(guild.Id))
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{
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if (DiscordUtils.IsValidGuildChannel(channel))
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channelCount++;
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}
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}
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_metrics.Measure.Gauge.SetValue(BotMetrics.Guilds, guildCount);
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_metrics.Measure.Gauge.SetValue(BotMetrics.Channels, channelCount);
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// Aggregate DB stats
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var counts = await _db.Execute(c => c.QueryFirstAsync<Counts>("select (select count(*) from systems) as systems, (select count(*) from members) as members, (select count(*) from switches) as switches, (select count(*) from messages) as messages, (select count(*) from groups) as groups"));
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_metrics.Measure.Gauge.SetValue(CoreMetrics.SystemCount, counts.Systems);
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_metrics.Measure.Gauge.SetValue(CoreMetrics.MemberCount, counts.Members);
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_metrics.Measure.Gauge.SetValue(CoreMetrics.SwitchCount, counts.Switches);
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_metrics.Measure.Gauge.SetValue(CoreMetrics.MessageCount, counts.Messages);
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_metrics.Measure.Gauge.SetValue(CoreMetrics.GroupCount, counts.Groups);
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// Process info
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var process = Process.GetCurrentProcess();
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_metrics.Measure.Gauge.SetValue(CoreMetrics.ProcessPhysicalMemory, process.WorkingSet64);
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_metrics.Measure.Gauge.SetValue(CoreMetrics.ProcessVirtualMemory, process.VirtualMemorySize64);
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_metrics.Measure.Gauge.SetValue(CoreMetrics.ProcessPrivateMemory, process.PrivateMemorySize64);
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_metrics.Measure.Gauge.SetValue(CoreMetrics.ProcessThreads, process.Threads.Count);
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_metrics.Measure.Gauge.SetValue(CoreMetrics.ProcessHandles, process.HandleCount);
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_metrics.Measure.Gauge.SetValue(CoreMetrics.CpuUsage, await _cpu.EstimateCpuUsage());
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// Database info
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_metrics.Measure.Gauge.SetValue(CoreMetrics.DatabaseConnections, _countHolder.ConnectionCount);
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// Other shiz
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_metrics.Measure.Gauge.SetValue(BotMetrics.WebhookCacheSize, _webhookCache.CacheSize);
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stopwatch.Stop();
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_logger.Debug("Updated metrics in {Time}", stopwatch.ElapsedDuration());
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}
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public class Counts
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{
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public int Systems { get; }
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public int Members { get; }
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public int Switches { get; }
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public int Messages { get; }
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public int Groups { get; }
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}
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}
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} |