mirror of
https://github.com/k3s-io/kubernetes.git
synced 2025-07-29 06:27:05 +00:00
fix flake in TestLeaseCandidateCleanup
This commit is contained in:
Jefftree
parent
919e7abe0f
commit
56b278d5d2
@ -60,6 +60,10 @@ var (
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// IdentityLeaseRenewIntervalPeriod is the interval of kube-apiserver renewing its lease in seconds
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// IdentityLeaseRenewIntervalPeriod is exposed so integration tests can tune this value.
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IdentityLeaseRenewIntervalPeriod = 10 * time.Second
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// LeaseCandidateGCPeriod is the interval which the leasecandidate GC controller checks for expired leases
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// This is exposed so integration tests can tune this value.
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LeaseCandidateGCPeriod = 30 * time.Minute
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)
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const (
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@ -164,7 +168,7 @@ func (c completedConfig) New(name string, delegationTarget genericapiserver.Dele
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)
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gccontroller := leaderelection.NewLeaseCandidateGC(
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client,
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1*time.Hour,
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LeaseCandidateGCPeriod,
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lcInformer,
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)
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return func(ctx context.Context, workers int) {
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@ -19,6 +19,7 @@ package apiserver
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import (
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"context"
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"fmt"
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"sync"
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"testing"
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"time"
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@ -36,6 +37,7 @@ import (
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featuregatetesting "k8s.io/component-base/featuregate/testing"
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"k8s.io/klog/v2"
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apiservertesting "k8s.io/kubernetes/cmd/kube-apiserver/app/testing"
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"k8s.io/kubernetes/pkg/controlplane/apiserver"
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"k8s.io/kubernetes/test/integration/framework"
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)
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@ -50,10 +52,11 @@ func TestSingleLeaseCandidate(t *testing.T) {
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config := server.ClientConfig
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ctx, cancel := context.WithCancel(context.Background())
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defer cancel()
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cletest := setupCLE(config, ctx, cancel, t)
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defer cletest.cleanup()
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go cletest.createAndRunFakeController("foo1", "default", "foo", "1.20.0", "1.20.0")
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cletest.pollForLease("foo", "default", "foo1")
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cletest.pollForLease(ctx, "foo", "default", "foo1")
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}
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func TestMultipleLeaseCandidate(t *testing.T) {
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@ -67,14 +70,15 @@ func TestMultipleLeaseCandidate(t *testing.T) {
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config := server.ClientConfig
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ctx, cancel := context.WithCancel(context.Background())
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defer cancel()
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cletest := setupCLE(config, ctx, cancel, t)
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defer cletest.cleanup()
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go cletest.createAndRunFakeController("foo1", "default", "foo", "1.20.0", "1.20.0")
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go cletest.createAndRunFakeController("foo2", "default", "foo", "1.20.0", "1.19.0")
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go cletest.createAndRunFakeController("foo3", "default", "foo", "1.19.0", "1.19.0")
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go cletest.createAndRunFakeController("foo4", "default", "foo", "1.2.0", "1.19.0")
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go cletest.createAndRunFakeController("foo5", "default", "foo", "1.20.0", "1.19.0")
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cletest.pollForLease("foo", "default", "foo3")
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go cletest.createAndRunFakeController("baz1", "default", "baz", "1.20.0", "1.20.0")
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go cletest.createAndRunFakeController("baz2", "default", "baz", "1.20.0", "1.19.0")
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go cletest.createAndRunFakeController("baz3", "default", "baz", "1.19.0", "1.19.0")
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go cletest.createAndRunFakeController("baz4", "default", "baz", "1.2.0", "1.19.0")
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go cletest.createAndRunFakeController("baz5", "default", "baz", "1.20.0", "1.19.0")
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cletest.pollForLease(ctx, "baz", "default", "baz3")
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}
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func TestLeaseSwapIfBetterAvailable(t *testing.T) {
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@ -92,9 +96,9 @@ func TestLeaseSwapIfBetterAvailable(t *testing.T) {
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defer cletest.cleanup()
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go cletest.createAndRunFakeController("bar1", "default", "bar", "1.20.0", "1.20.0")
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cletest.pollForLease("bar", "default", "bar1")
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cletest.pollForLease(ctx, "bar", "default", "bar1")
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go cletest.createAndRunFakeController("bar2", "default", "bar", "1.19.0", "1.19.0")
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cletest.pollForLease("bar", "default", "bar2")
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cletest.pollForLease(ctx, "bar", "default", "bar2")
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}
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// TestUpgradeSkew tests that a legacy client and a CLE aware client operating on the same lease do not cause errors
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@ -109,20 +113,26 @@ func TestUpgradeSkew(t *testing.T) {
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config := server.ClientConfig
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ctx, cancel := context.WithCancel(context.Background())
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defer cancel()
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cletest := setupCLE(config, ctx, cancel, t)
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defer cletest.cleanup()
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go cletest.createAndRunFakeLegacyController("foo1-130", "default", "foo")
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cletest.pollForLease("foo", "default", "foo1-130")
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go cletest.createAndRunFakeController("foo1-131", "default", "foo", "1.31.0", "1.31.0")
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go cletest.createAndRunFakeLegacyController("foo1-130", "default", "foobar")
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cletest.pollForLease(ctx, "foobar", "default", "foo1-130")
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go cletest.createAndRunFakeController("foo1-131", "default", "foobar", "1.31.0", "1.31.0")
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// running a new controller should not kick off old leader
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cletest.pollForLease("foo", "default", "foo1-130")
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cletest.pollForLease(ctx, "foobar", "default", "foo1-130")
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cletest.cancelController("foo1-130", "default")
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cletest.pollForLease("foo", "default", "foo1-131")
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cletest.pollForLease(ctx, "foobar", "default", "foo1-131")
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}
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func TestLeaseCandidateCleanup(t *testing.T) {
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featuregatetesting.SetFeatureGateDuringTest(t, utilfeature.DefaultFeatureGate, genericfeatures.CoordinatedLeaderElection, true)
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apiserver.LeaseCandidateGCPeriod = 1 * time.Second
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defer func() {
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apiserver.LeaseCandidateGCPeriod = 30 * time.Minute
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}()
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server, err := apiservertesting.StartTestServer(t, apiservertesting.NewDefaultTestServerOptions(), nil, framework.SharedEtcd())
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if err != nil {
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@ -140,7 +150,7 @@ func TestLeaseCandidateCleanup(t *testing.T) {
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Namespace: "default",
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},
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Spec: v1alpha1.LeaseCandidateSpec{
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LeaseName: "foobar",
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LeaseName: "foobaz",
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BinaryVersion: "0.1.0",
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EmulationVersion: "0.1.0",
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PreferredStrategies: []v1.CoordinatedLeaseStrategy{v1.OldestEmulationVersion},
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@ -175,11 +185,14 @@ type cleTest struct {
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config *rest.Config
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clientset *kubernetes.Clientset
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t *testing.T
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mu sync.Mutex
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ctxList map[string]ctxCancelPair
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}
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func (t cleTest) createAndRunFakeLegacyController(name string, namespace string, targetLease string) {
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func (t *cleTest) createAndRunFakeLegacyController(name string, namespace string, targetLease string) {
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ctx, cancel := context.WithCancel(context.Background())
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t.mu.Lock()
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defer t.mu.Unlock()
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t.ctxList[name+"/"+namespace] = ctxCancelPair{ctx, cancel}
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electionChecker := leaderelection.NewLeaderHealthzAdaptor(time.Second * 20)
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@ -197,7 +210,7 @@ func (t cleTest) createAndRunFakeLegacyController(name string, namespace string,
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})
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}
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func (t cleTest) createAndRunFakeController(name string, namespace string, targetLease string, binaryVersion string, compatibilityVersion string) {
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func (t *cleTest) createAndRunFakeController(name string, namespace string, targetLease string, binaryVersion string, compatibilityVersion string) {
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identityLease, _, err := leaderelection.NewCandidate(
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t.clientset,
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namespace,
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@ -212,7 +225,9 @@ func (t cleTest) createAndRunFakeController(name string, namespace string, targe
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}
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ctx, cancel := context.WithCancel(context.Background())
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t.mu.Lock()
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t.ctxList[name+"/"+namespace] = ctxCancelPair{ctx, cancel}
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t.mu.Unlock()
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go identityLease.Run(ctx)
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electionChecker := leaderelection.NewLeaderHealthzAdaptor(time.Second * 20)
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@ -266,8 +281,8 @@ func leaderElectAndRun(ctx context.Context, kubeconfig *rest.Config, lockIdentit
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})
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}
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func (t cleTest) pollForLease(name, namespace, holder string) {
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err := wait.PollUntilContextTimeout(t.ctxList["main"].ctx, 1000*time.Millisecond, 25*time.Second, true, func(ctx context.Context) (done bool, err error) {
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func (t *cleTest) pollForLease(ctx context.Context, name, namespace, holder string) {
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err := wait.PollUntilContextTimeout(ctx, 1000*time.Millisecond, 25*time.Second, true, func(ctx context.Context) (done bool, err error) {
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lease, err := t.clientset.CoordinationV1().Leases(namespace).Get(ctx, name, metav1.GetOptions{})
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if err != nil {
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fmt.Println(err)
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@ -280,29 +295,33 @@ func (t cleTest) pollForLease(name, namespace, holder string) {
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}
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}
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func (t cleTest) cancelController(name, namespace string) {
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func (t *cleTest) cancelController(name, namespace string) {
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t.mu.Lock()
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defer t.mu.Unlock()
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t.ctxList[name+"/"+namespace].cancel()
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delete(t.ctxList, name+"/"+namespace)
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}
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func (t cleTest) cleanup() {
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func (t *cleTest) cleanup() {
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t.mu.Lock()
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defer t.mu.Unlock()
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for _, c := range t.ctxList {
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c.cancel()
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}
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err := t.clientset.CoordinationV1().Leases("kube-system").Delete(context.TODO(), "leader-election-controller", metav1.DeleteOptions{})
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if err != nil && !apierrors.IsNotFound(err) {
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t.t.Error(err)
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}
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for _, c := range t.ctxList {
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c.cancel()
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}
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}
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func setupCLE(config *rest.Config, ctx context.Context, cancel func(), t *testing.T) cleTest {
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func setupCLE(config *rest.Config, ctx context.Context, cancel func(), t *testing.T) *cleTest {
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clientset, err := kubernetes.NewForConfig(config)
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if err != nil {
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t.Fatal(err)
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}
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a := ctxCancelPair{ctx, cancel}
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return cleTest{
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return &cleTest{
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config: config,
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clientset: clientset,
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ctxList: map[string]ctxCancelPair{"main": a},
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