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test: Move waitForAllContainerRemoval() into node e2e util

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This is used across multiple tests, so let's move into the util file.

Also, refactor it a bit to provide a better error message in case of a
failure.

Signed-off-by: David Porter <david@porter.me>
This commit is contained in:
David Porter 2023-02-03 23:03:07 -08:00
parent f97d14c6c8
commit c2923c472d
2 changed files with 28 additions and 24 deletions
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24
test/e2e_node/topology_manager_test.go
View File

@ -31,11 +31,9 @@ import (
"k8s.io/apimachinery/pkg/api/resource"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/runtime"
runtimeapi "k8s.io/cri-api/pkg/apis/runtime/v1"
kubeletconfig "k8s.io/kubernetes/pkg/kubelet/apis/config"
"k8s.io/kubernetes/pkg/kubelet/cm/cpumanager"
"k8s.io/kubernetes/pkg/kubelet/cm/topologymanager"
"k8s.io/kubernetes/pkg/kubelet/types"
admissionapi "k8s.io/pod-security-admission/api"
"k8s.io/kubernetes/test/e2e/framework"
@ -372,28 +370,6 @@ func runTopologyManagerPolicySuiteTests(ctx context.Context, f *framework.Framew
runMultipleGuPods(ctx, f)
}
// waitForAllContainerRemoval waits until all the containers on a given pod are really gone.
// This is needed by the e2e tests which involve exclusive resource allocation (cpu, topology manager; podresources; etc.)
// In these cases, we need to make sure the tests clean up after themselves to make sure each test runs in
// a pristine environment. The only way known so far to do that is to introduce this wait.
// Worth noting, however, that this makes the test runtime much bigger.
func waitForAllContainerRemoval(ctx context.Context, podName, podNS string) {
rs, _, err := getCRIClient()
framework.ExpectNoError(err)
gomega.Eventually(ctx, func(ctx context.Context) bool {
containers, err := rs.ListContainers(ctx, &runtimeapi.ContainerFilter{
LabelSelector: map[string]string{
types.KubernetesPodNameLabel: podName,
types.KubernetesPodNamespaceLabel: podNS,
},
})
if err != nil {
return false
}
return len(containers) == 0
}, 2*time.Minute, 1*time.Second).Should(gomega.BeTrue())
}
func runTopologyManagerPositiveTest(ctx context.Context, f *framework.Framework, numPods int, ctnAttrs, initCtnAttrs []tmCtnAttribute, envInfo *testEnvInfo) {
podMap := make(map[string]*v1.Pod)

28
test/e2e_node/util.go
View File

@ -41,6 +41,7 @@ import (
clientset "k8s.io/client-go/kubernetes"
"k8s.io/component-base/featuregate"
internalapi "k8s.io/cri-api/pkg/apis"
runtimeapi "k8s.io/cri-api/pkg/apis/runtime/v1"
"k8s.io/klog/v2"
kubeletpodresourcesv1 "k8s.io/kubelet/pkg/apis/podresources/v1"
kubeletpodresourcesv1alpha1 "k8s.io/kubelet/pkg/apis/podresources/v1alpha1"
@ -51,6 +52,7 @@ import (
"k8s.io/kubernetes/pkg/kubelet/cm"
"k8s.io/kubernetes/pkg/kubelet/cri/remote"
kubeletmetrics "k8s.io/kubernetes/pkg/kubelet/metrics"
"k8s.io/kubernetes/pkg/kubelet/types"
"k8s.io/kubernetes/pkg/kubelet/util"
"k8s.io/kubernetes/test/e2e/framework"
@ -437,3 +439,29 @@ func withFeatureGate(feature featuregate.Feature, desired bool) func() {
utilfeature.DefaultMutableFeatureGate.Set(fmt.Sprintf("%s=%v", string(feature), current))
}
}
// waitForAllContainerRemoval waits until all the containers on a given pod are really gone.
// This is needed by the e2e tests which involve exclusive resource allocation (cpu, topology manager; podresources; etc.)
// In these cases, we need to make sure the tests clean up after themselves to make sure each test runs in
// a pristine environment. The only way known so far to do that is to introduce this wait.
// Worth noting, however, that this makes the test runtime much bigger.
func waitForAllContainerRemoval(ctx context.Context, podName, podNS string) {
rs, _, err := getCRIClient()
framework.ExpectNoError(err)
gomega.Eventually(ctx, func(ctx context.Context) error {
containers, err := rs.ListContainers(ctx, &runtimeapi.ContainerFilter{
LabelSelector: map[string]string{
types.KubernetesPodNameLabel: podName,
types.KubernetesPodNamespaceLabel: podNS,
},
})
if err != nil {
return fmt.Errorf("got error waiting for all containers to be removed from CRI: %v", err)
}
if len(containers) > 0 {
return fmt.Errorf("expected all containers to be removed from CRI but %v containers still remain. Containers: %+v", len(containers), containers)
}
return nil
}, 2*time.Minute, 1*time.Second).Should(gomega.Succeed())
}