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Merge pull request #86723 from RainbowMango/pr_metrics_cleanup

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Metrics stability framework cleanup
This commit is contained in:
Kubernetes Prow Robot 2019-12-31 07:23:40 -08:00 committed by GitHub
commit d9b5a40463
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GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 5 additions and 9 deletions
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2
staging/src/k8s.io/component-base/metrics/metric.go
View File

@ -188,6 +188,8 @@ func (c *selfCollector) Collect(ch chan<- prometheus.Metric) {
// no-op vecs for convenience
var noopCounterVec = &prometheus.CounterVec{}
var noopHistogramVec = &prometheus.HistogramVec{}
// lint:ignore U1000 Keep it for future use
var noopSummaryVec = &prometheus.SummaryVec{}
var noopGaugeVec = &prometheus.GaugeVec{}
var noopObserverVec = &noopObserverVector{}

12
staging/src/k8s.io/component-base/metrics/registry_test.go
View File

@ -31,7 +31,6 @@ import (
var (
v115 = semver.MustParse("1.15.0")
v114 = semver.MustParse("1.14.0")
alphaCounter = NewCounter(
&CounterOpts{
Namespace: "some_namespace",
@ -100,7 +99,6 @@ func TestRegister(t *testing.T) {
var tests = []struct {
desc string
metrics []*Counter
registryVersion *semver.Version
expectedErrors []error
expectedIsCreatedValues []bool
expectedIsDeprecated []bool
@ -109,7 +107,6 @@ func TestRegister(t *testing.T) {
{
desc: "test alpha metric",
metrics: []*Counter{alphaCounter},
registryVersion: &v115,
expectedErrors: []error{nil},
expectedIsCreatedValues: []bool{true},
expectedIsDeprecated: []bool{false},
@ -118,7 +115,6 @@ func TestRegister(t *testing.T) {
{
desc: "test registering same metric multiple times",
metrics: []*Counter{alphaCounter, alphaCounter},
registryVersion: &v115,
expectedErrors: []error{nil, prometheus.AlreadyRegisteredError{}},
expectedIsCreatedValues: []bool{true, true},
expectedIsDeprecated: []bool{false, false},
@ -127,7 +123,6 @@ func TestRegister(t *testing.T) {
{
desc: "test alpha deprecated metric",
metrics: []*Counter{alphaDeprecatedCounter},
registryVersion: &v115,
expectedErrors: []error{nil},
expectedIsCreatedValues: []bool{true},
expectedIsDeprecated: []bool{true},
@ -136,7 +131,6 @@ func TestRegister(t *testing.T) {
{
desc: "test alpha hidden metric",
metrics: []*Counter{alphaHiddenCounter},
registryVersion: &v115,
expectedErrors: []error{nil},
expectedIsCreatedValues: []bool{false},
expectedIsDeprecated: []bool{true},
@ -153,7 +147,7 @@ func TestRegister(t *testing.T) {
})
for i, m := range test.metrics {
err := registry.Register(m)
if err != test.expectedErrors[i] && err.Error() != test.expectedErrors[i].Error() {
if err != nil && err.Error() != test.expectedErrors[i].Error() {
t.Errorf("Got unexpected error %v, wanted %v", err, test.expectedErrors[i])
}
if m.IsCreated() != test.expectedIsCreatedValues[i] {
@ -240,6 +234,7 @@ func TestShowHiddenMetric(t *testing.T) {
registry.MustRegister(alphaHiddenCounter)
ms, err := registry.Gather()
assert.Nil(t, err, "Gather failed %v", err)
assert.Equalf(t, expectedMetricCount, len(ms), "Got %v metrics, Want: %v metrics", len(ms), expectedMetricCount)
showHidden.Store(true)
@ -257,9 +252,8 @@ func TestShowHiddenMetric(t *testing.T) {
expectedMetricCount = 1
ms, err = registry.Gather()
assert.Equalf(t, expectedMetricCount, len(ms), "Got %v metrics, Want: %v metrics", len(ms), expectedMetricCount)
assert.Nil(t, err, "Gather failed %v", err)
assert.Equalf(t, expectedMetricCount, len(ms), "Got %v metrics, Want: %v metrics", len(ms), expectedMetricCount)
}
func TestValidateShowHiddenMetricsVersion(t *testing.T) {