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Merge pull request #72 from atidev/group-metrics
Group prometheus metrics
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78 changes: 34 additions & 44 deletions
78
ATI.Services.Common/Metrics/ExceptionsMetricsCollector.cs
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,59 +1,49 @@ | ||
| using System; | ||
| using System.Collections.Concurrent; | ||
| using System.Diagnostics.Tracing; | ||
| using Microsoft.Extensions.Configuration; | ||
| using Prometheus; | ||
| using ConfigurationManager = ATI.Services.Common.Behaviors.ConfigurationManager; | ||
|
|
||
| namespace ATI.Services.Common.Metrics | ||
| { | ||
| public class ExceptionsMetricsCollector : EventListener | ||
| { | ||
| // Да, даже под linux - Microsoft-Windows | ||
| private const string ExceptionSourceName = "Microsoft-Windows-DotNETRuntime"; | ||
| private const int ExceptionBit = 0x8000; | ||
| private const int ExceptionNameIndex = 0; | ||
| private readonly ConcurrentDictionary<string, long> _exceptionCounters = new(); | ||
| private MetricFactory _metricFactory; | ||
| private const string ExceptionsMetricName = "Exceptions"; | ||
| private Gauge _gauge; | ||
| namespace ATI.Services.Common.Metrics; | ||
|
|
||
| private string ServiceName { get; } | ||
| public ExceptionsMetricsCollector() | ||
| { | ||
| ServiceName = ConfigurationManager.GetSection(nameof(MetricsOptions)).Get<MetricsOptions>().MetricsServiceName; | ||
| } | ||
| public class ExceptionsMetricsCollector : EventListener | ||
| { | ||
| // Да, даже под linux - Microsoft-Windows | ||
| private const string ExceptionSourceName = "Microsoft-Windows-DotNETRuntime"; | ||
| private const int ExceptionBit = 0x8000; | ||
| private const int ExceptionNameIndex = 0; | ||
| private readonly ConcurrentDictionary<string, long> _exceptionCounters = new(); | ||
| private MetricFactory _metricFactory; | ||
| private Gauge _gauge; | ||
|
|
||
| protected override void OnEventSourceCreated(EventSource eventSource) | ||
| { | ||
| if (eventSource.Name != ExceptionSourceName) | ||
| return; | ||
| protected override void OnEventSourceCreated(EventSource eventSource) | ||
| { | ||
| if (eventSource.Name != ExceptionSourceName) | ||
| return; | ||
|
|
||
| EnableEvents( | ||
| eventSource, | ||
| EventLevel.Error, | ||
| (EventKeywords) ExceptionBit); | ||
| } | ||
| EnableEvents( | ||
| eventSource, | ||
| EventLevel.Error, | ||
| (EventKeywords) ExceptionBit); | ||
| } | ||
|
|
||
| protected override void OnEventWritten(EventWrittenEventArgs eventData) | ||
| { | ||
| var exceptionType = eventData.Payload[ExceptionNameIndex].ToString(); | ||
| _exceptionCounters.AddOrUpdate(exceptionType, _ => 1, (_, oldValue) => oldValue + 1); | ||
| } | ||
| protected override void OnEventWritten(EventWrittenEventArgs eventData) | ||
| { | ||
| var exceptionType = eventData.Payload[ExceptionNameIndex].ToString(); | ||
| _exceptionCounters.AddOrUpdate(exceptionType, _ => 1, (_, oldValue) => oldValue + 1); | ||
| } | ||
|
|
||
| public void RegisterMetrics(CollectorRegistry registry) | ||
| { | ||
| _metricFactory = Prometheus.Metrics.WithCustomRegistry(registry); | ||
| _gauge = _metricFactory.CreateGauge(ServiceName + ExceptionsMetricName, "", "machine_name", "exception_type"); | ||
| } | ||
| public void RegisterMetrics(CollectorRegistry registry) | ||
| { | ||
| _metricFactory = Prometheus.Metrics.WithCustomRegistry(registry); | ||
| _gauge = _metricFactory.CreateGauge($"{MetricsFactory.Prefix}_Exceptions", "", "machine_name", "exception_type"); | ||
| } | ||
|
|
||
| public void UpdateMetrics() | ||
| public void UpdateMetrics() | ||
| { | ||
| foreach (var exceptionType in _exceptionCounters.Keys) | ||
| { | ||
| foreach (var exceptionType in _exceptionCounters.Keys) | ||
| { | ||
| _exceptionCounters.TryRemove(exceptionType, out var count); | ||
| _gauge.WithLabels(Environment.MachineName, exceptionType).Set(count); | ||
| } | ||
| _exceptionCounters.TryRemove(exceptionType, out var count); | ||
| _gauge.WithLabels(Environment.MachineName, exceptionType).Set(count); | ||
| } | ||
| } | ||
| } |
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