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Process ILB services with v1 finalizer if Subsetting is enabled.

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This is to cover a corner case where the forwarding rule is somehow missing, but the service has V1 finalizer.
V1 finalizer services should be managed by the service controller.
This commit is contained in:
Pavithra Ramesh 2021-09-03 23:15:14 -07:00
parent b12379ef1c
commit 31d865190e
1 changed files with 14 additions and 10 deletions
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24
staging/src/k8s.io/legacy-cloud-providers/gce/gce_loadbalancer_internal.go
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@ -53,16 +53,20 @@ const (
)
func (g *Cloud) ensureInternalLoadBalancer(clusterName, clusterID string, svc *v1.Service, existingFwdRule *compute.ForwardingRule, nodes []*v1.Node) (*v1.LoadBalancerStatus, error) {
if g.AlphaFeatureGate.Enabled(AlphaFeatureILBSubsets) && existingFwdRule == nil {
// When ILBSubsets is enabled, new ILB services will not be processed here.
// Services that have existing GCE resources created by this controller will continue to update.
klog.V(2).Infof("Skipped ensureInternalLoadBalancer for service %s/%s, since %s feature is enabled.", svc.Namespace, svc.Name, AlphaFeatureILBSubsets)
return nil, cloudprovider.ImplementedElsewhere
}
if hasFinalizer(svc, ILBFinalizerV2) {
// Another controller is handling the resources for this service.
klog.V(2).Infof("Skipped ensureInternalLoadBalancer for service %s/%s, as service contains %q finalizer.", svc.Namespace, svc.Name, ILBFinalizerV2)
return nil, cloudprovider.ImplementedElsewhere
if existingFwdRule == nil && !hasFinalizer(svc, ILBFinalizerV1) {
// Neither the forwarding rule nor the V1 finalizer exists. This is most likely a new service.
if g.AlphaFeatureGate.Enabled(AlphaFeatureILBSubsets) {
// When ILBSubsets is enabled, new ILB services will not be processed here.
// Services that have existing GCE resources created by this controller or the v1 finalizer
// will continue to update.
klog.V(2).Infof("Skipped ensureInternalLoadBalancer for service %s/%s, since %s feature is enabled.", svc.Namespace, svc.Name, AlphaFeatureILBSubsets)
return nil, cloudprovider.ImplementedElsewhere
}
if hasFinalizer(svc, ILBFinalizerV2) {
// No V1 resources present - Another controller is handling the resources for this service.
klog.V(2).Infof("Skipped ensureInternalLoadBalancer for service %s/%s, as service contains %q finalizer.", svc.Namespace, svc.Name, ILBFinalizerV2)
return nil, cloudprovider.ImplementedElsewhere
}
}
nm := types.NamespacedName{Name: svc.Name, Namespace: svc.Namespace}