public void CollectAllMetrics2X()
{
var noopLogger = new NoopLogger();
var mockPayloadSender = new MockPayloadSender();
using (var collector = new MetricsCollector(noopLogger, mockPayloadSender, new TestAgentConfigurationReader(noopLogger)))
{
collector.CollectAllMetrics();
collector.CollectAllMetrics();
}
}
public void CollectAllMetrics2X()
{
var noopLogger = new NoopLogger();
var mockPayloadSender = new MockPayloadSender();
using (var collector = new MetricsCollector(noopLogger, mockPayloadSender, new MockConfigSnapshot(noopLogger)))
{
collector.CollectAllMetrics();
collector.CollectAllMetrics();
}
}
public void CollectAllMetrics_ShouldNotDisableProvider_WhenAnyValueIsSamplesIsValid()
{
const int iterations = MetricsCollector.MaxTryWithoutSuccess * 2;
// Arrange
var logger = new NoopLogger();
var mockPayloadSender = new MockPayloadSender();
using var metricsCollector = new MetricsCollector(logger, mockPayloadSender,
new ConfigStore(new MockConfigSnapshot(logger, "Information"), _logger));
var metricsProviderMock = new Mock <IMetricsProvider>();
metricsProviderMock.Setup(x => x.IsMetricAlreadyCaptured).Returns(true);
metricsProviderMock.Setup(x => x.GetSamples())
.Returns(() => new List <MetricSample> {
new MetricSample("key1", double.NaN), new MetricSample("key2", 0.95)
});
metricsProviderMock.SetupProperty(x => x.ConsecutiveNumberOfFailedReads);
metricsCollector.MetricsProviders.Clear();
metricsCollector.MetricsProviders.Add(metricsProviderMock.Object);
// Act
foreach (var _ in Enumerable.Range(0, iterations))
{
metricsCollector.CollectAllMetrics();
}
// Assert
mockPayloadSender.Metrics.Count.Should().Be(iterations);
mockPayloadSender.Metrics.Should().OnlyContain(x => x.Samples.Count() == 1);
metricsProviderMock.Verify(x => x.GetSamples(), Times.Exactly(iterations));
}
public void CollectAllMetrics_ShouldDisableProvider_WhenSamplesAreInvalid(List <MetricSample> samples)
{
const int iterations = MetricsCollector.MaxTryWithoutSuccess * 2;
// Arrange
var logger = new NoopLogger();
var mockPayloadSender = new MockPayloadSender();
using var metricsCollector = new MetricsCollector(logger, mockPayloadSender,
new ConfigStore(new MockConfigSnapshot(logger, "Information"), _logger));
var metricsProviderMock = new Mock <IMetricsProvider>();
metricsProviderMock.Setup(x => x.IsMetricAlreadyCaptured).Returns(true);
metricsProviderMock
.Setup(x => x.GetSamples())
.Returns(() => samples);
metricsProviderMock.SetupProperty(x => x.ConsecutiveNumberOfFailedReads);
metricsCollector.MetricsProviders.Clear();
metricsCollector.MetricsProviders.Add(metricsProviderMock.Object);
// Act
foreach (var _ in Enumerable.Range(0, iterations))
{
metricsCollector.CollectAllMetrics();
}
// Assert
mockPayloadSender.Metrics.Should().BeEmpty();
metricsProviderMock.Verify(x => x.GetSamples(), Times.Exactly(MetricsCollector.MaxTryWithoutSuccess));
}
public void CollectAllMetrics()
{
var mockPayloadSender = new MockPayloadSender();
using (var mc = new MetricsCollector(_logger, mockPayloadSender, new ConfigStore(new MockConfigSnapshot(_logger), _logger)))
mc.CollectAllMetrics();
mockPayloadSender.Metrics.Should().NotBeEmpty();
}
public void CollectAllMetrics()
{
var mockPayloadSender = new MockPayloadSender();
var testLogger = new TestLogger();
var mc = new MetricsCollector(testLogger, mockPayloadSender, new TestAgentConfigurationReader(testLogger));
mc.CollectAllMetrics();
mockPayloadSender.Metrics.Should().NotBeEmpty();
}
public void ProviderWithException()
{
var mockPayloadSender = new MockPayloadSender();
var testLogger = new TestLogger(LogLevel.Information);
using (var mc = new MetricsCollector(testLogger, mockPayloadSender, new ConfigStore(new MockConfigSnapshot(disableMetrics: "*"), testLogger)))
{
mc.MetricsProviders.Clear();
var providerWithException = new MetricsProviderWithException();
mc.MetricsProviders.Add(providerWithException);
for (var i = 0; i < MetricsCollector.MaxTryWithoutSuccess; i++)
{
mc.CollectAllMetrics();
}
providerWithException.NumberOfGetValueCalls.Should().Be(MetricsCollector.MaxTryWithoutSuccess);
testLogger.Lines.Count(line => line.Contains(MetricsProviderWithException.ExceptionMessage))
.Should()
.Be(MetricsCollector.MaxTryWithoutSuccess);
testLogger.Lines.Select(l => l.Contains($"Failed reading {providerWithException.DbgName} 1 times")).Should().HaveCountGreaterThan(0);
testLogger.Lines.Last(line => line.Contains("Failed reading"))
.Should()
.Contain(
$"Failed reading {providerWithException.DbgName} {MetricsCollector.MaxTryWithoutSuccess} consecutively - the agent won't try reading {providerWithException.DbgName} anymore");
//make sure GetValue() in MetricsProviderWithException is not called anymore:
for (var i = 0; i < 10; i++)
{
mc.CollectAllMetrics();
}
var logLineBeforeStage2 = testLogger.Lines.Count;
//no more logs, no more calls to GetValue():
providerWithException.NumberOfGetValueCalls.Should().Be(MetricsCollector.MaxTryWithoutSuccess);
testLogger.Lines.Count.Should().Be(logLineBeforeStage2);
}
}
public void ProviderWithException()
{
var mockPayloadSender = new MockPayloadSender();
var testLogger = new TestLogger(LogLevel.Information);
var mc = new MetricsCollector(testLogger, mockPayloadSender, new TestAgentConfigurationReader(testLogger, "Information"));
mc.MetricsProviders.Clear();
var providerWithException = new MetricsProviderWithException();
mc.MetricsProviders.Add(providerWithException);
for (var i = 0; i < MetricsCollector.MaxTryWithoutSuccess; i++)
{
mc.CollectAllMetrics();
}
providerWithException.NumberOfGetValueCalls.Should().Be(MetricsCollector.MaxTryWithoutSuccess);
// *2 because exceptions are logged in a new line, + 2 because 1) printing the metricsinterval and 2) printing that the given metrics
// wont be collected anymore:
testLogger.Lines.Count.Should().Be(MetricsCollector.MaxTryWithoutSuccess * 2 + 2);
testLogger.Lines[1].Should().Contain($"Failed reading {providerWithException.DbgName} 1 times");
testLogger.Lines.Last()
.Should()
.Contain(
$"Failed reading {providerWithException.DbgName} {MetricsCollector.MaxTryWithoutSuccess} consecutively - the agent won't try reading {providerWithException.DbgName} anymore");
//make sure GetValue() in MetricsProviderWithException is not called anymore:
for (var i = 0; i < 10; i++)
{
mc.CollectAllMetrics();
}
//no more logs, no more call to GetValue():
providerWithException.NumberOfGetValueCalls.Should().Be(MetricsCollector.MaxTryWithoutSuccess);
testLogger.Lines.Count.Should().Be(MetricsCollector.MaxTryWithoutSuccess * 2 + 2);
}
public void DisableMetrics_DisableCpuMetrics()
{
var mockPayloadSender = new MockPayloadSender();
Environment.SetEnvironmentVariable(EnvVarNames.DisableMetrics, "*cpu*");
using var metricsProvider = new MetricsCollector(new NoopLogger(), mockPayloadSender, new EnvironmentConfigurationReader());
metricsProvider.CollectAllMetrics();
mockPayloadSender.Metrics.Should().NotBeEmpty();
var firstMetrics = mockPayloadSender.Metrics.First();
firstMetrics.Should().NotBeNull();
firstMetrics.Samples.Should().NotContain(n => n.KeyValue.Key.Contains("cpu"));
//These are collected on all platforms, with the given config they always should be there
firstMetrics.Samples.Should()
.Contain(n => n.KeyValue.Key.Equals("system.process.memory.size", StringComparison.InvariantCultureIgnoreCase));
firstMetrics.Samples.Should()
.Contain(n => n.KeyValue.Key.Equals("system.process.memory.rss.bytes", StringComparison.InvariantCultureIgnoreCase));
}
public void CollectAllMetrics2X()
{
_metricsCollector.CollectAllMetrics();
_metricsCollector.CollectAllMetrics();
}
