static void Main(string[] args)
{
var init = true;
var configuration = new Configuration
{
LogGroupName = "/Canary/Dotnet/CloudWatchAgent/Metrics",
EnvironmentOverride = Environments.ECS,
AgentEndPoint = "tcp://127.0.0.1:25888"
};
var loggerFactory = LoggerFactory.Create(builder =>
builder
.SetMinimumLevel(LogLevel.Information)
.AddConsole());
EnvironmentConfigurationProvider.Config = configuration;
// get the assembly version (this does not reflect NuGet pre-releases)
var packageVersion = GetPackageVersion();
while (true)
{
using (var logger = new MetricsLogger(loggerFactory))
{
logger.SetNamespace("Canary");
var dimensionSet = new DimensionSet();
dimensionSet.AddDimension("Runtime", "Dotnet");
dimensionSet.AddDimension("Platform", "ECS");
dimensionSet.AddDimension("Agent", "CloudWatchAgent");
dimensionSet.AddDimension("Version", packageVersion);
logger.SetDimensions(dimensionSet);
using (var currentProcess = System.Diagnostics.Process.GetCurrentProcess())
{
// https://github.com/dotnet/corefx/blob/3633ea2c6bf9d52029681efeedd84fd7a06eb6ba/src/System.Diagnostics.Process/src/System/Diagnostics/ProcessManager.Linux.cs#L137
logger.PutMetric("Memory.RSS", currentProcess.WorkingSet64, Unit.BYTES);
}
logger.PutMetric("Invoke", 1, Unit.NONE);
if (init)
{
init = false;
logger.PutMetric("Init", 1, Unit.NONE);
}
logger.PutMetric("Memory.HeapUsed", GC.GetTotalMemory(false), Unit.BYTES);
}
Thread.Sleep(1_000);
}
}
public void TestOverridePreviousDimensions()
{
var dimensionName = "dim";
var dimensionValue = "dimValue";
_metricsLogger.PutDimensions(new DimensionSet("foo", "bar"));
_metricsLogger.SetDimensions(new DimensionSet(dimensionName, dimensionValue));
_metricsLogger.Flush();
Assert.Single(_sink.MetricsContext.GetAllDimensionSets());
Assert.Single(_sink.MetricsContext.GetAllDimensionSets()[0].DimensionKeys);
Assert.Equal(dimensionValue, _sink.MetricsContext.GetAllDimensionSets()[0].GetDimensionValue(dimensionName));
}
public void TestOverrideDefaultDimensions()
{
var dimensionName = "dim";
var dimensionValue = "dimValue";
var defaultDimName = "defaultDim";
var defaultDimValue = "defaultDimValue";
MetricsContext metricsContext = new MetricsContext();
metricsContext.DefaultDimensions.AddDimension(defaultDimName, defaultDimValue);
metricsContext.SetDimensions(new DimensionSet(defaultDimName, defaultDimValue));
_metricsLogger = new MetricsLogger(_environment, metricsContext, _logger);
_metricsLogger.SetDimensions(new DimensionSet(dimensionName, dimensionValue));
_metricsLogger.Flush();
Assert.Single(_sink.MetricsContext.GetAllDimensionSets());
Assert.Null(_sink.MetricsContext.GetAllDimensionSets()[0].GetDimensionValue(defaultDimName));
}
