140 lines
6.4 KiB
Go
140 lines
6.4 KiB
Go
/*
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Copyright 2023 The Kubernetes Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package metrics
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import (
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"strings"
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"testing"
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"k8s.io/component-base/metrics"
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"k8s.io/component-base/metrics/testutil"
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)
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const (
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testAPIServerID = "testAPIServerID"
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testAPIServerIDHash = "sha256:14f9d63e669337ac6bfda2e2162915ee6a6067743eddd4e5c374b572f951ff37"
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)
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func testMetricsRegistry(t *testing.T) metrics.KubeRegistry {
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// setting the version to 1.30.0 to test deprecation
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// of deprecatedEncryptionConfigAutomaticReloadFailureTotal and deprecatedEncryptionConfigAutomaticReloadSuccessTotal
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registry := testutil.NewFakeKubeRegistry("1.30.0")
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registry.MustRegister(encryptionConfigAutomaticReloadsTotal)
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registry.MustRegister(deprecatedEncryptionConfigAutomaticReloadFailureTotal)
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registry.MustRegister(deprecatedEncryptionConfigAutomaticReloadSuccessTotal)
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registry.MustRegister(encryptionConfigAutomaticReloadLastTimestampSeconds)
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t.Cleanup(func() { registry.Reset() })
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return registry
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}
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func TestRecordEncryptionConfigAutomaticReloadFailure(t *testing.T) {
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registry := testMetricsRegistry(t)
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expectedValue := `
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# HELP apiserver_encryption_config_controller_automatic_reload_failures_total [ALPHA] (Deprecated since 1.30.0) Total number of failed automatic reloads of encryption configuration split by apiserver identity.
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# TYPE apiserver_encryption_config_controller_automatic_reload_failures_total counter
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apiserver_encryption_config_controller_automatic_reload_failures_total {apiserver_id_hash="sha256:14f9d63e669337ac6bfda2e2162915ee6a6067743eddd4e5c374b572f951ff37"} 1
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# HELP apiserver_encryption_config_controller_automatic_reloads_total [ALPHA] Total number of reload successes and failures of encryption configuration split by apiserver identity.
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# TYPE apiserver_encryption_config_controller_automatic_reloads_total counter
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apiserver_encryption_config_controller_automatic_reloads_total {apiserver_id_hash="sha256:14f9d63e669337ac6bfda2e2162915ee6a6067743eddd4e5c374b572f951ff37",status="failure"} 1
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`
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metricNames := []string{
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namespace + "_" + subsystem + "_automatic_reload_failures_total",
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namespace + "_" + subsystem + "_automatic_reloads_total",
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}
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deprecatedEncryptionConfigAutomaticReloadFailureTotal.Reset()
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encryptionConfigAutomaticReloadsTotal.Reset()
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RegisterMetrics()
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RecordEncryptionConfigAutomaticReloadFailure(testAPIServerID)
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if err := testutil.GatherAndCompare(registry, strings.NewReader(expectedValue), metricNames...); err != nil {
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t.Fatal(err)
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}
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}
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func TestRecordEncryptionConfigAutomaticReloadSuccess(t *testing.T) {
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registry := testMetricsRegistry(t)
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expectedValue := `
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# HELP apiserver_encryption_config_controller_automatic_reload_success_total [ALPHA] (Deprecated since 1.30.0) Total number of successful automatic reloads of encryption configuration split by apiserver identity.
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# TYPE apiserver_encryption_config_controller_automatic_reload_success_total counter
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apiserver_encryption_config_controller_automatic_reload_success_total {apiserver_id_hash="sha256:14f9d63e669337ac6bfda2e2162915ee6a6067743eddd4e5c374b572f951ff37"} 1
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# HELP apiserver_encryption_config_controller_automatic_reloads_total [ALPHA] Total number of reload successes and failures of encryption configuration split by apiserver identity.
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# TYPE apiserver_encryption_config_controller_automatic_reloads_total counter
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apiserver_encryption_config_controller_automatic_reloads_total {apiserver_id_hash="sha256:14f9d63e669337ac6bfda2e2162915ee6a6067743eddd4e5c374b572f951ff37",status="success"} 1
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`
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metricNames := []string{
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namespace + "_" + subsystem + "_automatic_reload_success_total",
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namespace + "_" + subsystem + "_automatic_reloads_total",
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}
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deprecatedEncryptionConfigAutomaticReloadSuccessTotal.Reset()
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encryptionConfigAutomaticReloadsTotal.Reset()
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RegisterMetrics()
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RecordEncryptionConfigAutomaticReloadSuccess(testAPIServerID)
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if err := testutil.GatherAndCompare(registry, strings.NewReader(expectedValue), metricNames...); err != nil {
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t.Fatal(err)
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}
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}
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func TestEncryptionConfigAutomaticReloadLastTimestampSeconds(t *testing.T) {
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testCases := []struct {
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expectedValue string
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resultLabel string
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timestamp int64
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}{
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{
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expectedValue: `
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# HELP apiserver_encryption_config_controller_automatic_reload_last_timestamp_seconds [ALPHA] Timestamp of the last successful or failed automatic reload of encryption configuration split by apiserver identity.
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# TYPE apiserver_encryption_config_controller_automatic_reload_last_timestamp_seconds gauge
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apiserver_encryption_config_controller_automatic_reload_last_timestamp_seconds{apiserver_id_hash="sha256:14f9d63e669337ac6bfda2e2162915ee6a6067743eddd4e5c374b572f951ff37",status="failure"} 1.689101941e+09
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`,
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resultLabel: "failure",
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timestamp: 1689101941,
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},
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{
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expectedValue: `
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# HELP apiserver_encryption_config_controller_automatic_reload_last_timestamp_seconds [ALPHA] Timestamp of the last successful or failed automatic reload of encryption configuration split by apiserver identity.
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# TYPE apiserver_encryption_config_controller_automatic_reload_last_timestamp_seconds gauge
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apiserver_encryption_config_controller_automatic_reload_last_timestamp_seconds{apiserver_id_hash="sha256:14f9d63e669337ac6bfda2e2162915ee6a6067743eddd4e5c374b572f951ff37",status="success"} 1.689101941e+09
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`,
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resultLabel: "success",
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timestamp: 1689101941,
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},
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}
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metricNames := []string{
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namespace + "_" + subsystem + "_automatic_reload_last_timestamp_seconds",
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}
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RegisterMetrics()
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for _, tc := range testCases {
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registry := testMetricsRegistry(t)
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encryptionConfigAutomaticReloadLastTimestampSeconds.Reset()
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encryptionConfigAutomaticReloadLastTimestampSeconds.WithLabelValues(tc.resultLabel, testAPIServerIDHash).Set(float64(tc.timestamp))
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if err := testutil.GatherAndCompare(registry, strings.NewReader(tc.expectedValue), metricNames...); err != nil {
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t.Fatal(err)
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}
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}
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}
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