func main() {
err := dropsonde.Initialize(metronAddr, "METRIC-TEST", "z1", "0")
if err != nil {
println(err.Error())
}
for i := uint64(0); ; i++ {
println("emitting metric at counter: ", i)
metrics.SendContainerMetric(appId, 0, 42.42, 1234, i)
metrics.SendContainerMetric(appId, 1, 11.41, 1234, i)
metrics.SendContainerMetric(appId, 2, 11.41, 1234, i)
metrics.SendContainerMetric("donotseethis", 2, 11.41, 1234, i)
time.Sleep(1 * time.Second)
}
}
func main() {
err := dropsonde.Initialize("localhost:3457", "METRIC-TEST", "z1", "0")
if err != nil {
println(err.Error())
}
var i uint64
i = 0
for {
println("emitting metric at counter: ", i)
metrics.SendContainerMetric(appID, 0, 42.42, 1234, i)
metrics.SendContainerMetric(appID, 1, 11.41, 1234, i)
metrics.SendContainerMetric(appID, 2, 11.41, 1234, i)
metrics.SendContainerMetric("donotseethis", 2, 11.41, 1234, i)
i++
time.Sleep(1 * time.Second)
}
}
func (reporter *StatsReporter) calculateAndSendMetrics(
logger lager.Logger,
metricsConfig *executor.MetricsConfig,
containerMetrics *executor.ContainerMetrics,
previousInfo *cpuInfo,
now time.Time,
) *cpuInfo {
if metricsConfig.Guid == "" {
return nil
}
currentInfo := cpuInfo{
timeSpentInCPU: containerMetrics.TimeSpentInCPU,
timeOfSample: now,
}
var cpuPercent float64
if previousInfo == nil {
cpuPercent = 0.0
} else {
cpuPercent = computeCPUPercent(
previousInfo.timeSpentInCPU,
currentInfo.timeSpentInCPU,
previousInfo.timeOfSample,
currentInfo.timeOfSample,
)
}
err := metrics.SendContainerMetric(metricsConfig.Guid, int32(metricsConfig.Index), cpuPercent, containerMetrics.MemoryUsageInBytes, containerMetrics.DiskUsageInBytes)
if err != nil {
logger.Error("failed-to-send-container-metrics", err, lager.Data{
"metrics_guid": metricsConfig.Guid,
"metrics_index": metricsConfig.Index,
})
}
return ¤tInfo
}
Expect(fakeMetricSender.GetCounter("count")).To(BeEquivalentTo(15))
})
It("delegates BatchAddCounter", func() {
metrics.BatchAddCounter("count", 3)
time.Sleep(2 * time.Millisecond)
Expect(fakeMetricSender.GetCounter("count")).To(BeEquivalentTo(3))
metrics.BatchAddCounter("count", 7)
time.Sleep(2 * time.Millisecond)
Expect(fakeMetricSender.GetCounter("count")).To(BeEquivalentTo(10))
})
It("delegates SendContainerMetric", func() {
appGuid := "some_app_guid"
metrics.SendContainerMetric(appGuid, 7, 42.42, 1234, 123412341234)
Expect(fakeMetricSender.GetContainerMetric(appGuid).ApplicationId).To(Equal(appGuid))
Expect(fakeMetricSender.GetContainerMetric(appGuid).InstanceIndex).To(BeEquivalentTo(7))
Expect(fakeMetricSender.GetContainerMetric(appGuid).CpuPercentage).To(BeEquivalentTo(42.42))
Expect(fakeMetricSender.GetContainerMetric(appGuid).MemoryBytes).To(BeEquivalentTo(1234))
Expect(fakeMetricSender.GetContainerMetric(appGuid).DiskBytes).To(BeEquivalentTo(123412341234))
})
Context("when Metric Sender is not initialized", func() {
BeforeEach(func() {
metrics.Initialize(nil, nil)
})
It("SendValue is a no-op", func() {
