k8s.io/kubernetes@v1.29.3/test/e2e/framework/metrics/grab.go (about) 1 /* 2 Copyright 2015 The Kubernetes Authors. 3 4 Licensed under the Apache License, Version 2.0 (the "License"); 5 you may not use this file except in compliance with the License. 6 You may obtain a copy of the License at 7 8 http://www.apache.org/licenses/LICENSE-2.0 9 10 Unless required by applicable law or agreed to in writing, software 11 distributed under the License is distributed on an "AS IS" BASIS, 12 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 See the License for the specific language governing permissions and 14 limitations under the License. 15 */ 16 17 package metrics 18 19 import ( 20 "context" 21 22 "github.com/onsi/ginkgo/v2" 23 24 "k8s.io/kubernetes/test/e2e/framework" 25 ) 26 27 func GrabBeforeEach(ctx context.Context, f *framework.Framework) (result *Collection) { 28 gatherMetricsAfterTest := framework.TestContext.GatherMetricsAfterTest == "true" || framework.TestContext.GatherMetricsAfterTest == "master" 29 if !gatherMetricsAfterTest || !framework.TestContext.IncludeClusterAutoscalerMetrics { 30 return nil 31 } 32 33 ginkgo.By("Gathering metrics before test", func() { 34 grabber, err := NewMetricsGrabber(ctx, f.ClientSet, f.KubemarkExternalClusterClientSet, f.ClientConfig(), !framework.ProviderIs("kubemark"), false, false, false, framework.TestContext.IncludeClusterAutoscalerMetrics, false) 35 if err != nil { 36 framework.Logf("Failed to create MetricsGrabber (skipping ClusterAutoscaler metrics gathering before test): %v", err) 37 return 38 } 39 metrics, err := grabber.Grab(ctx) 40 if err != nil { 41 framework.Logf("MetricsGrabber failed to grab CA metrics before test (skipping metrics gathering): %v", err) 42 return 43 } 44 framework.Logf("Gathered ClusterAutoscaler metrics before test") 45 result = &metrics 46 }) 47 48 return 49 } 50 51 func GrabAfterEach(ctx context.Context, f *framework.Framework, before *Collection) { 52 if framework.TestContext.GatherMetricsAfterTest == "false" { 53 return 54 } 55 56 ginkgo.By("Gathering metrics after test", func() { 57 // Grab apiserver, scheduler, controller-manager metrics and (optionally) nodes' kubelet metrics. 58 grabMetricsFromKubelets := framework.TestContext.GatherMetricsAfterTest != "master" && !framework.ProviderIs("kubemark") 59 grabber, err := NewMetricsGrabber(ctx, f.ClientSet, f.KubemarkExternalClusterClientSet, f.ClientConfig(), grabMetricsFromKubelets, true, true, true, framework.TestContext.IncludeClusterAutoscalerMetrics, false) 60 if err != nil { 61 framework.Logf("Failed to create MetricsGrabber (skipping metrics gathering): %v", err) 62 return 63 } 64 received, err := grabber.Grab(ctx) 65 if err != nil { 66 framework.Logf("MetricsGrabber failed to grab some of the metrics: %v", err) 67 return 68 } 69 if before == nil { 70 before = &Collection{} 71 } 72 (*ComponentCollection)(&received).ComputeClusterAutoscalerMetricsDelta(*before) 73 f.TestSummaries = append(f.TestSummaries, (*ComponentCollection)(&received)) 74 }) 75 }