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Remove prometheus dependencies for scheduler

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This commit is contained in:
drfish 2021-01-30 12:15:22 +08:00
parent 76ead99a56
commit c959e23250
6 changed files with 51 additions and 77 deletions
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1
build/visible_to/BUILD
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@ -432,7 +432,6 @@ package_group(
name = "vendor_githubcom_prometheus_CONSUMERS",
packages = [
"//cluster/images/etcd-version-monitor",
"//pkg/scheduler/framework/runtime",
"//pkg/volume/util/operationexecutor",
"//staging/src/k8s.io/apiserver/pkg/admission/metrics",
"//staging/src/k8s.io/component-base/metrics/...",

1
go.mod
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@ -80,7 +80,6 @@ require (
github.com/opencontainers/selinux v1.6.0
github.com/pkg/errors v0.9.1
github.com/pmezard/go-difflib v1.0.0
github.com/prometheus/client_golang v1.7.1
github.com/prometheus/client_model v0.2.0
github.com/prometheus/common v0.10.0
github.com/quobyte/api v0.1.8

3
pkg/scheduler/framework/runtime/BUILD
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@ -48,9 +48,8 @@ go_test(
"//staging/src/k8s.io/apimachinery/pkg/apis/meta/v1:go_default_library",
"//staging/src/k8s.io/apimachinery/pkg/runtime:go_default_library",
"//staging/src/k8s.io/apimachinery/pkg/types:go_default_library",
"//staging/src/k8s.io/component-base/metrics/testutil:go_default_library",
"//vendor/github.com/google/go-cmp/cmp:go_default_library",
"//vendor/github.com/prometheus/client_golang/prometheus:go_default_library",
"//vendor/github.com/prometheus/client_model/go:go_default_library",
],
)

107
pkg/scheduler/framework/runtime/framework_test.go
View File

@ -26,12 +26,11 @@ import (
"time"
"github.com/google/go-cmp/cmp"
"github.com/prometheus/client_golang/prometheus"
dto "github.com/prometheus/client_model/go"
v1 "k8s.io/api/core/v1"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/runtime"
"k8s.io/apimachinery/pkg/types"
"k8s.io/component-base/metrics/testutil"
"k8s.io/kubernetes/pkg/scheduler/apis/config"
"k8s.io/kubernetes/pkg/scheduler/framework"
internalqueue "k8s.io/kubernetes/pkg/scheduler/internal/queue"
@ -2227,94 +2226,64 @@ func injectNormalizeRes(inj injectedResult, scores framework.NodeScoreList) *fra
func collectAndComparePluginMetrics(t *testing.T, wantExtensionPoint, wantPlugin string, wantStatus framework.Code) {
t.Helper()
m := collectHistogramMetric(metrics.PluginExecutionDuration)
if len(m.Label) != 3 {
t.Fatalf("Unexpected number of label pairs, got: %v, want: 2", len(m.Label))
}
m := metrics.PluginExecutionDuration.WithLabelValues(wantPlugin, wantExtensionPoint, wantStatus.String())
if *m.Label[0].Value != wantExtensionPoint {
t.Errorf("Unexpected extension point label, got: %q, want %q", *m.Label[0].Value, wantExtensionPoint)
count, err := testutil.GetHistogramMetricCount(m)
if err != nil {
t.Errorf("Failed to get %s sampleCount, err: %v", metrics.PluginExecutionDuration.Name, err)
}
if *m.Label[1].Value != wantPlugin {
t.Errorf("Unexpected plugin label, got: %q, want %q", *m.Label[1].Value, wantPlugin)
}
if *m.Label[2].Value != wantStatus.String() {
t.Errorf("Unexpected status code label, got: %q, want %q", *m.Label[2].Value, wantStatus)
}
if *m.Histogram.SampleCount == 0 {
if count == 0 {
t.Error("Expect at least 1 sample")
}
if *m.Histogram.SampleSum <= 0 {
t.Errorf("Expect latency to be greater than 0, got: %v", *m.Histogram.SampleSum)
value, err := testutil.GetHistogramMetricValue(m)
if err != nil {
t.Errorf("Failed to get %s value, err: %v", metrics.PluginExecutionDuration.Name, err)
}
if value <= 0 {
t.Errorf("Expect latency to be greater than 0, got: %v", value)
}
}
func collectAndCompareFrameworkMetrics(t *testing.T, wantExtensionPoint string, wantStatus framework.Code) {
t.Helper()
m := collectHistogramMetric(metrics.FrameworkExtensionPointDuration)
m := metrics.FrameworkExtensionPointDuration.WithLabelValues(wantExtensionPoint, wantStatus.String(), testProfileName)
gotLabels := make(map[string]string, len(m.Label))
for _, p := range m.Label {
gotLabels[p.GetName()] = p.GetValue()
count, err := testutil.GetHistogramMetricCount(m)
if err != nil {
t.Errorf("Failed to get %s sampleCount, err: %v", metrics.FrameworkExtensionPointDuration.Name, err)
}
wantLabels := map[string]string{
"extension_point": wantExtensionPoint,
"status": wantStatus.String(),
"profile": testProfileName,
if count != 1 {
t.Errorf("Expect 1 sample, got: %v", count)
}
if diff := cmp.Diff(wantLabels, gotLabels); diff != "" {
t.Errorf("unexpected labels (-want,+got):\n%s", diff)
value, err := testutil.GetHistogramMetricValue(m)
if err != nil {
t.Errorf("Failed to get %s value, err: %v", metrics.FrameworkExtensionPointDuration.Name, err)
}
if *m.Histogram.SampleCount != 1 {
t.Errorf("Expect 1 sample, got: %v", *m.Histogram.SampleCount)
}
if *m.Histogram.SampleSum <= 0 {
t.Errorf("Expect latency to be greater than 0, got: %v", *m.Histogram.SampleSum)
if value <= 0 {
t.Errorf("Expect latency to be greater than 0, got: %v", value)
}
}
func collectAndComparePermitWaitDuration(t *testing.T, wantRes string) {
m := collectHistogramMetric(metrics.PermitWaitDuration)
m := metrics.PermitWaitDuration.WithLabelValues(wantRes)
count, err := testutil.GetHistogramMetricCount(m)
if err != nil {
t.Errorf("Failed to get %s sampleCount, err: %v", metrics.PermitWaitDuration.Name, err)
}
if wantRes == "" {
if m != nil {
t.Errorf("PermitWaitDuration shouldn't be recorded but got %+v", m)
if count != 0 {
t.Errorf("Expect 0 sample, got: %v", count)
}
return
}
if wantRes != "" {
if len(m.Label) != 1 {
t.Fatalf("Unexpected number of label pairs, got: %v, want: 1", len(m.Label))
} else {
if count != 1 {
t.Errorf("Expect 1 sample, got: %v", count)
}
if *m.Label[0].Value != wantRes {
t.Errorf("Unexpected result label, got: %q, want %q", *m.Label[0].Value, wantRes)
value, err := testutil.GetHistogramMetricValue(m)
if err != nil {
t.Errorf("Failed to get %s value, err: %v", metrics.PermitWaitDuration.Name, err)
}
if *m.Histogram.SampleCount != 1 {
t.Errorf("Expect 1 sample, got: %v", *m.Histogram.SampleCount)
}
if *m.Histogram.SampleSum <= 0 {
t.Errorf("Expect latency to be greater than 0, got: %v", *m.Histogram.SampleSum)
if value <= 0 {
t.Errorf("Expect latency to be greater than 0, got: %v", value)
}
}
}
func collectHistogramMetric(metric prometheus.Collector) *dto.Metric {
ch := make(chan prometheus.Metric, 100)
metric.Collect(ch)
select {
case got := <-ch:
m := &dto.Metric{}
got.Write(m)
return m
default:
return nil
}
}

15
staging/src/k8s.io/component-base/metrics/testutil/metrics.go
View File

@ -318,7 +318,7 @@ func (hist *Histogram) Validate() error {
return nil
}
// GetGaugeMetricValue extract metric value from GaugeMetric
// GetGaugeMetricValue extracts metric value from GaugeMetric
func GetGaugeMetricValue(m metrics.GaugeMetric) (float64, error) {
metricProto := &dto.Metric{}
if err := m.Write(metricProto); err != nil {
@ -327,7 +327,7 @@ func GetGaugeMetricValue(m metrics.GaugeMetric) (float64, error) {
return metricProto.Gauge.GetValue(), nil
}
// GetCounterMetricValue extract metric value from CounterMetric
// GetCounterMetricValue extracts metric value from CounterMetric
func GetCounterMetricValue(m metrics.CounterMetric) (float64, error) {
metricProto := &dto.Metric{}
if err := m.(metrics.Metric).Write(metricProto); err != nil {
@ -336,7 +336,7 @@ func GetCounterMetricValue(m metrics.CounterMetric) (float64, error) {
return metricProto.Counter.GetValue(), nil
}
// GetHistogramMetricValue extract sum of all samples from ObserverMetric
// GetHistogramMetricValue extracts sum of all samples from ObserverMetric
func GetHistogramMetricValue(m metrics.ObserverMetric) (float64, error) {
metricProto := &dto.Metric{}
if err := m.(metrics.Metric).Write(metricProto); err != nil {
@ -345,6 +345,15 @@ func GetHistogramMetricValue(m metrics.ObserverMetric) (float64, error) {
return metricProto.Histogram.GetSampleSum(), nil
}
// GetHistogramMetricCount extracts count of all samples from ObserverMetric
func GetHistogramMetricCount(m metrics.ObserverMetric) (uint64, error) {
metricProto := &dto.Metric{}
if err := m.(metrics.Metric).Write(metricProto); err != nil {
return 0, fmt.Errorf("error writing m: %v", err)
}
return metricProto.Histogram.GetSampleCount(), nil
}
// LabelsMatch returns true if metric has all expected labels otherwise false
func LabelsMatch(metric *dto.Metric, labelFilter map[string]string) bool {
metricLabels := map[string]string{}

1
vendor/modules.txt vendored
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@ -954,7 +954,6 @@ github.com/pquerna/cachecontrol
# github.com/pquerna/cachecontrol => github.com/pquerna/cachecontrol v0.0.0-20171018203845-0dec1b30a021
github.com/pquerna/cachecontrol/cacheobject
# github.com/prometheus/client_golang v1.7.1 => github.com/prometheus/client_golang v1.7.1
## explicit
# github.com/prometheus/client_golang => github.com/prometheus/client_golang v1.7.1
github.com/prometheus/client_golang/prometheus
github.com/prometheus/client_golang/prometheus/internal