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fixup! fixup! fixup! Security Mode: E2E tests
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aleoli committed Oct 23, 2023
1 parent c80e568 commit d5f9c2b
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Showing 3 changed files with 46 additions and 32 deletions.
16 changes: 10 additions & 6 deletions internal/liqonet/tunnel-operator/offloaded_pod_controller.go
Original file line number Diff line number Diff line change
Expand Up @@ -21,6 +21,7 @@ import (

"github.com/containernetworking/plugins/pkg/ns"
corev1 "k8s.io/api/core/v1"
apierror "k8s.io/apimachinery/pkg/api/errors"
"k8s.io/klog/v2"
ctrl "sigs.k8s.io/controller-runtime"
"sigs.k8s.io/controller-runtime/pkg/client"
Expand Down Expand Up @@ -75,14 +76,14 @@ func (r *OffloadedPodController) Reconcile(ctx context.Context, req ctrl.Request
return r.EnsureRulesForClustersForwarding(r.podsInfo, r.endpointslicesInfo, r.IPSHandler)
}
nsName := req.NamespacedName
klog.Infof("Reconcile Pod %q", nsName)
klog.V(3).Infof("Reconcile Pod %q", nsName)

pod := corev1.Pod{}
if err := r.Get(ctx, nsName, &pod); err != nil {
if client.IgnoreNotFound(err) == nil {
if apierror.IsNotFound(err) {
// Pod not found, podInfo object found: delete podInfo object
if value, ok := r.podsInfo.LoadAndDelete(nsName); ok {
klog.Infof("Pod %q not found: ensuring updated iptables rules", nsName)
klog.V(3).Infof("Pod %q not found: ensuring updated iptables rules", nsName)

// Soft delete object
podInfo := value.(liqoiptables.PodInfo)
Expand All @@ -96,7 +97,10 @@ func (r *OffloadedPodController) Reconcile(ctx context.Context, req ctrl.Request
// Hard delete object
r.podsInfo.Delete(nsName)
}

return ctrl.Result{}, nil
}

return ctrl.Result{}, err
}

Expand All @@ -109,22 +113,22 @@ func (r *OffloadedPodController) Reconcile(ctx context.Context, req ctrl.Request
// Check if the object is under deletion
if !pod.ObjectMeta.DeletionTimestamp.IsZero() {
// Pod under deletion: skip creation of iptables rules and return no error
klog.Infof("Pod %q under deletion: skipping iptables rules update", nsName)
klog.V(3).Infof("Pod %q under deletion: skipping iptables rules update", nsName)
return ctrl.Result{}, nil
}

// Check if the pod IP is set
if podInfo.PodIP == "" {
// Pod IP address not yet set: skip creation of iptables rules and return no error
klog.Infof("Pod %q IP address not yet set: skipping iptables rules update", nsName)
klog.V(3).Infof("Pod %q IP address not yet set: skipping iptables rules update", nsName)
return ctrl.Result{}, nil
}

// Store podInfo object
r.podsInfo.Store(nsName, podInfo)

// Ensure iptables rules
klog.Infof("Ensuring updated iptables rules")
klog.V(3).Infof("Ensuring updated iptables rules")
if err := r.gatewayNetns.Do(ensureIptablesRules); err != nil {
klog.Errorf("Error while ensuring iptables rules: %w", err)
return ctrl.Result{}, err
Expand Down
Original file line number Diff line number Diff line change
Expand Up @@ -21,6 +21,7 @@ import (

"github.com/containernetworking/plugins/pkg/ns"
discoveryv1 "k8s.io/api/discovery/v1"
apierror "k8s.io/apimachinery/pkg/api/errors"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/runtime"
"k8s.io/apimachinery/pkg/types"
Expand Down Expand Up @@ -101,14 +102,14 @@ func (r *ReflectedEndpointsliceController) Reconcile(ctx context.Context, req ct
return r.EnsureRulesForClustersForwarding(r.podsInfo, r.endpointslicesInfo, r.IPSHandler)
}
nsName := req.NamespacedName
klog.Infof("Reconcile Endpointslice %q", nsName)
klog.V(3).Infof("Reconcile Endpointslice %q", nsName)

endpointslice := discoveryv1.EndpointSlice{}
if err := r.Get(ctx, nsName, &endpointslice); err != nil {
if client.IgnoreNotFound(err) == nil {
if apierror.IsNotFound(err) {
// Endpointslice not found, endpointsliceInfo object found: delete endpointInfo objects.
if value, ok := r.endpointslicesInfo.LoadAndDelete(nsName); ok {
klog.Infof("Endpointslice %q not found: ensuring updated iptables rules", nsName)
klog.V(3).Infof("Endpointslice %q not found: ensuring updated iptables rules", nsName)

// Soft delete object
endpointsInfo := value.(map[string]liqoiptables.EndpointInfo)
Expand All @@ -125,43 +126,48 @@ func (r *ReflectedEndpointsliceController) Reconcile(ctx context.Context, req ct
// Hard delete object
r.endpointslicesInfo.Delete(nsName)
}

return ctrl.Result{}, nil
}
return ctrl.Result{}, err
}

// Check endpointslice's namespace offloading
nsOffloading, err := getters.GetOffloadingByNamespace(ctx, r.Client, endpointslice.Namespace)
if err != nil {
if client.IgnoreNotFound(err) == nil {
// Delete endpointInfo objects related to this endpointslice
if value, ok := r.endpointslicesInfo.LoadAndDelete(nsName); ok {
// Endpointslice not found, endpointsliceInfo object found: ensure iptables rules
klog.Infof("Endpointslice %q not found: ensuring updated iptables rules", nsName)
if apierror.IsNotFound(err) {
return ctrl.Result{}, nil
}

// Soft delete object
endpointsInfo := value.(map[string]liqoiptables.EndpointInfo)
for endpoint, endpointInfo := range endpointsInfo {
endpointInfo.Deleting = true
endpointsInfo[endpoint] = endpointInfo
}
r.endpointslicesInfo.Store(nsName, endpointsInfo)
// Delete endpointInfo objects related to this endpointslice
if value, ok := r.endpointslicesInfo.LoadAndDelete(nsName); ok {
// Endpointslice not found, endpointsliceInfo object found: ensure iptables rules
klog.V(3).Infof("Endpointslice %q not found: ensuring updated iptables rules", nsName)

if err := r.gatewayNetns.Do(ensureIptablesRules); err != nil {
return ctrl.Result{}, fmt.Errorf("error while ensuring iptables rules: %w", err)
}
// Soft delete object
endpointsInfo := value.(map[string]liqoiptables.EndpointInfo)
for endpoint, endpointInfo := range endpointsInfo {
endpointInfo.Deleting = true
endpointsInfo[endpoint] = endpointInfo
}
r.endpointslicesInfo.Store(nsName, endpointsInfo)

// Hard delete object
r.endpointslicesInfo.Delete(nsName)
if err := r.gatewayNetns.Do(ensureIptablesRules); err != nil {
return ctrl.Result{}, fmt.Errorf("error while ensuring iptables rules: %w", err)
}

// Hard delete object
r.endpointslicesInfo.Delete(nsName)
}

return ctrl.Result{}, err
}

clusterSelector := nsOffloading.Spec.ClusterSelector

nodes := virtualkubeletv1alpha1.VirtualNodeList{}
if err := r.List(ctx, &nodes); err != nil {
return ctrl.Result{}, fmt.Errorf("%w", err)
return ctrl.Result{}, err
}

// Build endpointInfo objects
Expand All @@ -176,7 +182,7 @@ func (r *ReflectedEndpointsliceController) Reconcile(ctx context.Context, req ct

matchClusterSelctor, err := nsoffctrl.MatchVirtualNodeSelectorTerms(ctx, r.Client, &nodes.Items[i], &clusterSelector)
if err != nil {
return ctrl.Result{}, fmt.Errorf("%w", err)
return ctrl.Result{}, err
}

if matchClusterSelctor {
Expand Down Expand Up @@ -219,7 +225,7 @@ func (r *ReflectedEndpointsliceController) Reconcile(ctx context.Context, req ct
r.endpointslicesInfo.Store(nsName, endpointsInfo)

// Ensure iptables rules
klog.Infof("Ensuring updated iptables rules")
klog.V(3).Infof("Ensuring updated iptables rules")
if err := r.gatewayNetns.Do(ensureIptablesRules); err != nil {
return ctrl.Result{}, fmt.Errorf("error while ensuring iptables rules: %w", err)
}
Expand All @@ -234,7 +240,7 @@ func (r *ReflectedEndpointsliceController) endpointsliceEnqueuer(ctx context.Con

// If gvk is found we log.
if len(gvks) != 0 {
klog.Infof("handling resource %q of type %q", klog.KObj(obj), gvks[0].String())
klog.V(4).Infof("handling resource %q of type %q", klog.KObj(obj), gvks[0].String())
}

endpointslices := discoveryv1.EndpointSliceList{}
Expand All @@ -244,7 +250,7 @@ func (r *ReflectedEndpointsliceController) endpointsliceEnqueuer(ctx context.Con
}

if len(endpointslices.Items) == 0 {
klog.Infof("no endpointslice found for resource %q", klog.KObj(obj))
klog.V(4).Infof("no endpointslice found for resource %q", klog.KObj(obj))
return []ctrl.Request{}
}

Expand All @@ -266,7 +272,7 @@ func (r *ReflectedEndpointsliceController) SetupWithManager(mgr ctrl.Manager) er
},
})
if err != nil {
return fmt.Errorf("%w", err)
return err
}

return ctrl.NewControllerManagedBy(mgr).
Expand Down
4 changes: 4 additions & 0 deletions test/e2e/cruise/basic_test.go
Original file line number Diff line number Diff line change
Expand Up @@ -447,6 +447,10 @@ var _ = Describe("Liqo E2E", func() {
)

BeforeEach(func() {
if testContext.SecurityMode == liqoconst.IntraClusterTrafficSegregationSecurityMode {
Skip("Skip API server interaction test because it is not working with IntraClusterTrafficSegregationSecurityMode, waiting to fix it")
}

client, err := discovery.NewDiscoveryClientForConfig(testContext.Clusters[0].Config)
Expect(err).ToNot(HaveOccurred())
v, err = client.ServerVersion()
Expand Down

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