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Fix flaky e2e tests #4844

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Jun 28, 2022
Merged

Fix flaky e2e tests #4844

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5297e12
Add a GinkgoRecover to start debugging flaky tests
keithmattix Jun 23, 2022
1be6968
Trigger CI
keithmattix Jun 23, 2022
434a876
Add another ginko recover
keithmattix Jun 27, 2022
9e1ade9
Add locks that are missing
keithmattix Jun 27, 2022
e7bd74a
Re-run CI
keithmattix Jun 27, 2022
3e86f96
Re-run CI
keithmattix Jun 27, 2022
8a147fc
Fix test flakiness by only reacting to MeshConfigs and MRCs in target…
keithmattix Jun 27, 2022
882dab8
More elegant solution for namespacing
keithmattix Jun 28, 2022
14e3371
VSCode didn't save my file...thanks Go Language servier
keithmattix Jun 28, 2022
1eed0a2
Trigger CI
keithmattix Jun 28, 2022
a0322e5
Trigger CI
keithmattix Jun 28, 2022
75fb48b
Address PR comments
keithmattix Jun 28, 2022
16865c8
Add more info to logs
keithmattix Jun 28, 2022
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2 changes: 1 addition & 1 deletion cmd/osm-bootstrap/osm-bootstrap.go
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Original file line number Diff line number Diff line change
Expand Up @@ -198,7 +198,7 @@ func main() {

informerCollection, err := informers.NewInformerCollection(meshName, stop,
informers.WithKubeClient(kubeClient),
informers.WithConfigClient(configClient),
informers.WithConfigClient(configClient, osmMeshConfigName, osmNamespace),
)

if err != nil {
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2 changes: 1 addition & 1 deletion cmd/osm-controller/osm-controller.go
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Original file line number Diff line number Diff line change
Expand Up @@ -187,7 +187,7 @@ func main() {
informerCollection, err := informers.NewInformerCollection(meshName, stop,
informers.WithKubeClient(kubeClient),
informers.WithSMIClients(smiTrafficSplitClientSet, smiTrafficSpecClientSet, smiTrafficTargetClientSet),
informers.WithConfigClient(configClient),
informers.WithConfigClient(configClient, osmMeshConfigName, osmNamespace),
informers.WithPolicyClient(policyClient),
)
if err != nil {
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2 changes: 1 addition & 1 deletion cmd/osm-injector/osm-injector.go
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Expand Up @@ -183,7 +183,7 @@ func main() {
informerCollection, err := informers.NewInformerCollection(meshName, stop,
informers.WithKubeClient(kubeClient),
informers.WithSMIClients(smiTrafficSplitClientSet, smiTrafficSpecClientSet, smiTrafficTargetClientSet),
informers.WithConfigClient(configClient),
informers.WithConfigClient(configClient, osmMeshConfigName, osmNamespace),
informers.WithPolicyClient(policyClient),
)

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2 changes: 1 addition & 1 deletion pkg/catalog/fake/fake.go
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Original file line number Diff line number Diff line change
Expand Up @@ -48,7 +48,7 @@ func NewFakeMeshCatalog(kubeClient kubernetes.Interface, meshConfigClient config

osmNamespace := "-test-osm-namespace-"
osmMeshConfigName := "-test-osm-mesh-config-"
ic, err := informers.NewInformerCollection("osm", stop, informers.WithKubeClient(kubeClient), informers.WithConfigClient(meshConfigClient))
ic, err := informers.NewInformerCollection("osm", stop, informers.WithKubeClient(kubeClient), informers.WithConfigClient(meshConfigClient, osmMeshConfigName, osmNamespace))
if err != nil {
return nil
}
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8 changes: 8 additions & 0 deletions pkg/certificate/manager.go
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Original file line number Diff line number Diff line change
Expand Up @@ -129,15 +129,23 @@ func (m *Manager) handleMRCEvent(mrcClient MRCClient, event MRCEvent) error {
c := &issuer{Issuer: client, ID: clientID, CertificateAuthority: ca}
switch {
case mrc.Status.State == constants.MRCStateActive:
m.mu.Lock()
m.signingIssuer = c
m.validatingIssuer = c
m.mu.Unlock()
case mrc.Status.State == constants.MRCStateIssuingRollback || mrc.Status.State == constants.MRCStateIssuingRollout:
m.mu.Lock()
m.signingIssuer = c
m.mu.Unlock()
case mrc.Status.State == constants.MRCStateValidatingRollback || mrc.Status.State == constants.MRCStateValidatingRollout:
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I believe if a MRC is in a state of IssuingRollback it should only be used for validating. I define the IssuingRollback state as the rollback of using this issuer to sign certificates.

Suggested change
case mrc.Status.State == constants.MRCStateValidatingRollback || mrc.Status.State == constants.MRCStateValidatingRollout:
case mrc.Status.State == constants.MRCStateIssuingRollback || mrc.Status.State == constants.MRCStateValidatingRollout:

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Ah, I just got a chance to look at the state-machine logic here. Isn't there a scenario where there's no signing issuer on startup? If you get an MRC with status IssuingRollback and an MRC with status ValidatingRollout, there's no signing issuer. At least for startup purposes, IssuingRollback seems to imply that the MRC in question was the de-facto issuer

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The IssuingRollback state is set when an MRC enters the issuingRollout state. I don't think there should ever be a case where MRCs have the IssuingRollback and ValidatingRollout states.

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This comment is not blocking and can be addressed in a follow up PR.

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Hmmm so what does it mean of one MRC is active, and the other is ValidatingRollout? Keep in mind that the control plane could restart between status updates of two different MRCs

m.mu.Lock()
m.validatingIssuer = c
m.mu.Unlock()
default:
m.mu.Lock()
m.signingIssuer = c
m.validatingIssuer = c
m.mu.Unlock()
}
case MRCEventUpdated:
// TODO
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2 changes: 1 addition & 1 deletion pkg/certificate/providers/config_test.go
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Expand Up @@ -139,7 +139,7 @@ func TestGetCertificateManager(t *testing.T) {
},
}),
informerCollectionFunc: func(tc testCase) (*informers.InformerCollection, error) {
ic, err := informers.NewInformerCollection("osm", nil, informers.WithKubeClient(tc.kubeClient), informers.WithConfigClient(tc.configClient))
ic, err := informers.NewInformerCollection("osm", nil, informers.WithKubeClient(tc.kubeClient), informers.WithConfigClient(tc.configClient, "", "osm-namespace"))
if err != nil {
return nil, err
}
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3 changes: 3 additions & 0 deletions pkg/certificate/providers/mrc.go
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Original file line number Diff line number Diff line change
Expand Up @@ -3,6 +3,7 @@ package providers
import (
"context"

"github.com/rs/zerolog/log"
"k8s.io/client-go/tools/cache"

"github.com/openservicemesh/osm/pkg/apis/config/v1alpha2"
Expand Down Expand Up @@ -46,6 +47,7 @@ func (m *MRCComposer) Watch(ctx context.Context) (<-chan certificate.MRCEvent, e
m.informerCollection.AddEventHandler(informers.InformerKeyMeshRootCertificate, cache.ResourceEventHandlerFuncs{
AddFunc: func(obj interface{}) {
mrc := obj.(*v1alpha2.MeshRootCertificate)
log.Debug().Msgf("received MRC add event for MRC %s/%s", mrc.GetNamespace(), mrc.GetName())
eventChan <- certificate.MRCEvent{
Type: certificate.MRCEventAdded,
MRC: mrc,
Expand All @@ -55,6 +57,7 @@ func (m *MRCComposer) Watch(ctx context.Context) (<-chan certificate.MRCEvent, e
// since the "state machine" of the MRC is well defined
UpdateFunc: func(_, newObj interface{}) {
mrc := newObj.(*v1alpha2.MeshRootCertificate)
log.Debug().Msgf("received MRC update event for MRC %s/%s", mrc.GetNamespace(), mrc.GetName())
eventChan <- certificate.MRCEvent{
Type: certificate.MRCEventUpdated,
MRC: mrc,
Expand Down
4 changes: 2 additions & 2 deletions pkg/certificate/types.go
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Original file line number Diff line number Diff line change
Expand Up @@ -147,7 +147,7 @@ var (
// MRCEventBroker describes any type that allows the caller to Watch() MRCEvents
type MRCEventBroker interface {
// Watch allows the caller to subscribe to events surrounding
// MRCs that belong to this particular mesh. Watch returns a channel
// that emits events, and an error if the subscription goes awry.
// MRCs. Watch returns a channel that emits events, and
// an error if the subscription goes awry.
Watch(context.Context) (<-chan MRCEvent, error)
}
2 changes: 1 addition & 1 deletion pkg/configurator/client_test.go
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Expand Up @@ -24,7 +24,7 @@ func TestGetMeshConfig(t *testing.T) {
meshConfigClient := fakeConfig.NewSimpleClientset()
stop := make(chan struct{})

ic, err := informers.NewInformerCollection("osm", stop, informers.WithConfigClient(meshConfigClient))
ic, err := informers.NewInformerCollection("osm", stop, informers.WithConfigClient(meshConfigClient, osmMeshConfigName, osmNamespace))
a.Nil(err)

c := NewConfigurator(ic, osmNamespace, osmMeshConfigName, nil)
Expand Down
4 changes: 2 additions & 2 deletions pkg/configurator/methods_test.go
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Expand Up @@ -31,7 +31,7 @@ func TestCreateUpdateConfig(t *testing.T) {
meshConfigClientSet := testclient.NewSimpleClientset()
stop := make(chan struct{})

ic, err := informers.NewInformerCollection("osm", stop, informers.WithConfigClient(meshConfigClientSet))
ic, err := informers.NewInformerCollection("osm", stop, informers.WithConfigClient(meshConfigClientSet, osmMeshConfigName, osmNamespace))
tassert.Nil(t, err)

cfg := NewConfigurator(ic, osmNamespace, osmMeshConfigName, nil)
Expand Down Expand Up @@ -465,7 +465,7 @@ func TestCreateUpdateConfig(t *testing.T) {
stop := make(chan struct{})
defer close(stop)

ic, err := informers.NewInformerCollection("osm", stop, informers.WithConfigClient(meshConfigClientSet))
ic, err := informers.NewInformerCollection("osm", stop, informers.WithConfigClient(meshConfigClientSet, osmMeshConfigName, osmNamespace))
assert.Nil(err)

cfg := NewConfigurator(ic, osmNamespace, osmMeshConfigName, nil)
Expand Down
2 changes: 1 addition & 1 deletion pkg/envoy/sds/response_test.go
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Expand Up @@ -58,7 +58,7 @@ func TestNewResponse(t *testing.T) {
podID := uuid.New()

proxy := envoy.NewProxy(envoy.KindSidecar, podID, proxySvcAccount.ToServiceIdentity(), nil)
ic, err := informers.NewInformerCollection("osm", stop, informers.WithKubeClient(fakeKubeClient), informers.WithConfigClient(fakeConfigClient))
ic, err := informers.NewInformerCollection("osm", stop, informers.WithKubeClient(fakeKubeClient), informers.WithConfigClient(fakeConfigClient, "-the-mesh-config-name-", "-osm-namespace-"))
assert.Nil(err)

cfg := configurator.NewConfigurator(ic, "-osm-namespace-", "-the-mesh-config-name-", nil)
Expand Down
12 changes: 8 additions & 4 deletions pkg/k8s/informers/informers.go
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Expand Up @@ -86,12 +86,16 @@ func WithSMIClients(smiTrafficSplitClient smiTrafficSplitClient.Interface, smiTr
}

// WithConfigClient sets the config client for the InformerCollection
func WithConfigClient(configClient configClientset.Interface) InformerCollectionOption {
func WithConfigClient(configClient configClientset.Interface, meshConfigName, osmNamespace string) InformerCollectionOption {
return func(ic *InformerCollection) {
informerFactory := configInformers.NewSharedInformerFactory(configClient, DefaultKubeEventResyncInterval)
listOption := configInformers.WithTweakListOptions(func(opt *metav1.ListOptions) {
opt.FieldSelector = fields.OneTermEqualSelector(metav1.ObjectNameField, meshConfigName).String()
})
meshConfiginformerFactory := configInformers.NewSharedInformerFactoryWithOptions(configClient, DefaultKubeEventResyncInterval, configInformers.WithNamespace(osmNamespace), listOption)
mrcInformerFactory := configInformers.NewSharedInformerFactoryWithOptions(configClient, DefaultKubeEventResyncInterval, configInformers.WithNamespace(osmNamespace))

ic.informers[InformerKeyMeshConfig] = informerFactory.Config().V1alpha2().MeshConfigs().Informer()
ic.informers[InformerKeyMeshRootCertificate] = informerFactory.Config().V1alpha2().MeshRootCertificates().Informer()
ic.informers[InformerKeyMeshConfig] = meshConfiginformerFactory.Config().V1alpha2().MeshConfigs().Informer()
ic.informers[InformerKeyMeshRootCertificate] = mrcInformerFactory.Config().V1alpha2().MeshRootCertificates().Informer()
}
}

Expand Down
2 changes: 2 additions & 0 deletions tests/e2e/e2e_retry_policy_test.go
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Expand Up @@ -125,6 +125,7 @@ var _ = OSMDescribe("Test Retry Policy",

By("A request that will be retried NumRetries times then fail")
err = wait.Poll(time.Second*3, time.Second*30, func() (bool, error) {
defer GinkgoRecover()
result := Td.HTTPRequest(req)

stdout, stderr, err := Td.RunLocal(filepath.FromSlash("../../bin/osm"), "proxy", "get", "stats", clientPod.Name, "--namespace", client)
Expand Down Expand Up @@ -240,6 +241,7 @@ var _ = OSMDescribe("Test Retry Policy",

By("A request that will be retried 0 times and then fail")
err = wait.Poll(time.Second*3, time.Second*30, func() (bool, error) {
defer GinkgoRecover()
result := Td.HTTPRequest(req)

stdout, stderr, err := Td.RunLocal(filepath.FromSlash("../../bin/osm"), "proxy", "get", "stats", clientPod.Name, "--namespace", client)
Expand Down