public void EmptyCounters()
{
var counters = new List <Counter>();
var body = PrometheusCounterConverter.ToString(counters, string.Empty, string.Empty);
Assert.Equal(string.Empty, body);
}
/// <summary>
/// Saves the current counters measurements.
/// </summary>
/// <param name="counters">current counters measurements to be saves.</param>
protected override void Save(IEnumerable <Counter> counters)
{
if (_client == null || !_pushEnabled)
{
return;
}
try
{
var body = PrometheusCounterConverter.ToString(counters, null, null);
using (HttpContent requestContent = new StringContent(body, Encoding.UTF8, "text/plain"))
{
HttpResponseMessage response = _client.PutAsync(_requestUri, requestContent).Result;
if ((int)response.StatusCode >= 400)
{
_logger.Error("prometheus-counters", "Failed to push metrics to prometheus");
}
}
}
catch (Exception ex)
{
_logger.Error("prometheus-counters", ex, "Failed to push metrics to prometheus");
}
}
public void SingleIncrement_SourceInstance()
{
var counters = new List <Counter>
{
new Counter("MyCounter", CounterType.Increment)
{
Average = 2,
Min = 1,
Max = 3,
Count = 2,
Last = 3,
Time = DateTime.MinValue
}
};
var body = PrometheusCounterConverter.ToString(counters, "MyApp", "MyInstance");
const string expected = "# TYPE mycounter gauge\nmycounter{source=\"MyApp\",instance=\"MyInstance\"} 2\n";
Assert.Equal(expected, body);
}
public void SingleIncrement_NoLabels()
{
var counters = new List <Counter>
{
new Counter("MyCounter", CounterType.Increment)
{
Average = 2,
Min = 1,
Max = 3,
Count = 2,
Last = 3,
Time = DateTime.MinValue
}
};
var body = PrometheusCounterConverter.ToString(counters, null, null);
const string expected = "# TYPE mycounter gauge\nmycounter 2\n";
Assert.Equal(expected, body);
}
public void MultiIncrement_ExecWithOnlyTwo_SourceInstance()
{
var counters = new List <Counter>
{
new Counter("MyCounter1.exec_time", CounterType.Increment)
{
Count = 2,
Last = 3,
Time = DateTime.MinValue
},
new Counter("MyCounter2.exec_time", CounterType.Increment)
{
Count = 5,
Last = 10,
Time = DateTime.MinValue
}
};
var body = PrometheusCounterConverter.ToString(counters, "MyApp", "MyInstance");
const string expected = "# TYPE mycounter1_exec_time gauge\nmycounter1_exec_time{source=\"MyApp\",instance=\"MyInstance\"} 2\n"
+ "# TYPE mycounter2_exec_time gauge\nmycounter2_exec_time{source=\"MyApp\",instance=\"MyInstance\"} 5\n";
Assert.Equal(expected, body);
}
public void MultiLastValue_Exec_SourceInstance()
{
var counters = new List <Counter>
{
new Counter("MyService1.MyCommand1.exec_time", CounterType.LastValue)
{
Count = 2,
Last = 3,
Time = DateTime.MinValue
},
new Counter("MyService2.MyCommand2.exec_time", CounterType.LastValue)
{
Count = 5,
Last = 10,
Time = DateTime.MinValue
}
};
var body = PrometheusCounterConverter.ToString(counters, "MyApp", "MyInstance");
const string expected = "# TYPE exec_time gauge\nexec_time{source=\"MyApp\",instance=\"MyInstance\",service=\"MyService1\",command=\"MyCommand1\"} 3\n"
+ "# TYPE exec_time gauge\nexec_time{source=\"MyApp\",instance=\"MyInstance\",service=\"MyService2\",command=\"MyCommand2\"} 10\n";
Assert.Equal(expected, body);
}
public void MultiStatistics_Exec_SourceInstance()
{
var counters = new List <Counter>
{
new Counter("MyService1.MyCommand1.exec_time", CounterType.Statistics)
{
Min = 1,
Max = 3,
Average = 2,
Count = 2,
Last = 3,
Time = DateTime.MinValue
},
new Counter("MyService2.MyCommand2.exec_time", CounterType.Statistics)
{
Min = 2,
Max = 4,
Average = 3,
Count = 5,
Last = 10,
Time = DateTime.MinValue
}
};
var body = PrometheusCounterConverter.ToString(counters, "MyApp", "MyInstance");
const string expected =
"# TYPE exec_time_max gauge\nexec_time_max{source=\"MyApp\",instance=\"MyInstance\",service=\"MyService1\",command=\"MyCommand1\"} 3\n"
+ "# TYPE exec_time_min gauge\nexec_time_min{source=\"MyApp\",instance=\"MyInstance\",service=\"MyService1\",command=\"MyCommand1\"} 1\n"
+ "# TYPE exec_time_average gauge\nexec_time_average{source=\"MyApp\",instance=\"MyInstance\",service=\"MyService1\",command=\"MyCommand1\"} 2\n"
+ "# TYPE exec_time_count gauge\nexec_time_count{source=\"MyApp\",instance=\"MyInstance\",service=\"MyService1\",command=\"MyCommand1\"} 2\n"
+ "# TYPE exec_time_max gauge\nexec_time_max{source=\"MyApp\",instance=\"MyInstance\",service=\"MyService2\",command=\"MyCommand2\"} 4\n"
+ "# TYPE exec_time_min gauge\nexec_time_min{source=\"MyApp\",instance=\"MyInstance\",service=\"MyService2\",command=\"MyCommand2\"} 2\n"
+ "# TYPE exec_time_average gauge\nexec_time_average{source=\"MyApp\",instance=\"MyInstance\",service=\"MyService2\",command=\"MyCommand2\"} 3\n"
+ "# TYPE exec_time_count gauge\nexec_time_count{source=\"MyApp\",instance=\"MyInstance\",service=\"MyService2\",command=\"MyCommand2\"} 5\n";
Assert.Equal(expected, body);
}
public void KnownCounter_Exec_QueueMetrics_Good(string counterName, string expectedName)
{
var counters = new List <Counter>
{
new Counter(counterName, CounterType.Increment)
{
Count = 1, Time = DateTime.MinValue
},
new Counter(counterName, CounterType.Interval)
{
Count = 11, Max = 13, Min = 3, Average = 3.5, Time = DateTime.MinValue
},
new Counter(counterName, CounterType.LastValue)
{
Last = 2, Time = DateTime.MinValue
},
new Counter(counterName, CounterType.Statistics)
{
Count = 111, Max = 113, Min = 13, Average = 13.5, Time = DateTime.MinValue
}
};
var body = PrometheusCounterConverter.ToString(counters, "MyApp", "MyInstance");
var expected = $"# TYPE {expectedName} gauge\n{expectedName}{{source=\"MyApp\",instance=\"MyInstance\",queue=\"default\"}} 1\n"
+ $"# TYPE {expectedName}_max gauge\n{expectedName}_max{{source=\"MyApp\",instance=\"MyInstance\",queue=\"default\"}} 13\n"
+ $"# TYPE {expectedName}_min gauge\n{expectedName}_min{{source=\"MyApp\",instance=\"MyInstance\",queue=\"default\"}} 3\n"
+ $"# TYPE {expectedName}_average gauge\n{expectedName}_average{{source=\"MyApp\",instance=\"MyInstance\",queue=\"default\"}} 3.5\n"
+ $"# TYPE {expectedName}_count gauge\n{expectedName}_count{{source=\"MyApp\",instance=\"MyInstance\",queue=\"default\"}} 11\n"
+ $"# TYPE {expectedName} gauge\n{expectedName}{{source=\"MyApp\",instance=\"MyInstance\",queue=\"default\"}} 2\n"
+ $"# TYPE {expectedName}_max gauge\n{expectedName}_max{{source=\"MyApp\",instance=\"MyInstance\",queue=\"default\"}} 113\n"
+ $"# TYPE {expectedName}_min gauge\n{expectedName}_min{{source=\"MyApp\",instance=\"MyInstance\",queue=\"default\"}} 13\n"
+ $"# TYPE {expectedName}_average gauge\n{expectedName}_average{{source=\"MyApp\",instance=\"MyInstance\",queue=\"default\"}} 13.5\n"
+ $"# TYPE {expectedName}_count gauge\n{expectedName}_count{{source=\"MyApp\",instance=\"MyInstance\",queue=\"default\"}} 111\n";
Assert.Equal(expected, body);
}
public void NullValues()
{
var body = PrometheusCounterConverter.ToString(null, null, null);
Assert.Equal(string.Empty, body);
}