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e2e: move funs of framework/metrics to e2e_node

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This commit is contained in:
Haosdent Huang
2019-12-10 18:53:21 +08:00
parent ded2ff39c3
commit 8d3a8d5a6c
5 changed files with 23 additions and 67 deletions
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23
test/e2e_node/density_test.go
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@@ -20,6 +20,7 @@ package e2enode
import (
"fmt"
"math"
"sort"
"strconv"
"sync"
@@ -36,6 +37,7 @@ import (
kubemetrics "k8s.io/kubernetes/pkg/kubelet/metrics"
"k8s.io/kubernetes/test/e2e/framework"
e2ekubelet "k8s.io/kubernetes/test/e2e/framework/kubelet"
e2elog "k8s.io/kubernetes/test/e2e/framework/log"
e2emetrics "k8s.io/kubernetes/test/e2e/framework/metrics"
imageutils "k8s.io/kubernetes/test/utils/image"
@@ -548,16 +550,33 @@ func verifyLatencyWithinThreshold(threshold, actual e2emetrics.LatencyMetric, me
return nil
}
// extractLatencyMetrics returns latency metrics for each percentile(50th, 90th and 99th).
func extractLatencyMetrics(latencies []e2emetrics.PodLatencyData) e2emetrics.LatencyMetric {
length := len(latencies)
perc50 := latencies[int(math.Ceil(float64(length*50)/100))-1].Latency
perc90 := latencies[int(math.Ceil(float64(length*90)/100))-1].Latency
perc99 := latencies[int(math.Ceil(float64(length*99)/100))-1].Latency
perc100 := latencies[length-1].Latency
return e2emetrics.LatencyMetric{Perc50: perc50, Perc90: perc90, Perc99: perc99, Perc100: perc100}
}
// printLatencies outputs latencies to log with readable format.
func printLatencies(latencies []e2emetrics.PodLatencyData, header string) {
metrics := extractLatencyMetrics(latencies)
e2elog.Logf("10%% %s: %v", header, latencies[(len(latencies)*9)/10:])
e2elog.Logf("perc50: %v, perc90: %v, perc99: %v", metrics.Perc50, metrics.Perc90, metrics.Perc99)
}
// logAndVerifyLatency verifies that whether pod creation latency satisfies the limit.
func logAndVerifyLatency(batchLag time.Duration, e2eLags []e2emetrics.PodLatencyData, podStartupLimits e2emetrics.LatencyMetric,
podBatchStartupLimit time.Duration, testInfo map[string]string, isVerify bool) {
e2emetrics.PrintLatencies(e2eLags, "worst client e2e total latencies")
printLatencies(e2eLags, "worst client e2e total latencies")
// TODO(coufon): do not trust 'kubelet' metrics since they are not reset!
latencyMetrics, _ := getPodStartLatency(kubeletAddr)
framework.Logf("Kubelet Prometheus metrics (not reset):\n%s", framework.PrettyPrintJSON(latencyMetrics))
podStartupLatency := e2emetrics.ExtractLatencyMetrics(e2eLags)
podStartupLatency := extractLatencyMetrics(e2eLags)
// log latency perf data
logPerfData(getLatencyPerfData(podStartupLatency, testInfo), "latency")