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Check the count of cloud node for LoadBalancer service

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If there is no available node for LoadBalancer service, the LoadBlancer
service will become unavailable, we should update service status.
This is part of #53193
This commit is contained in:
FengyunPan 2017-10-20 12:04:02 +08:00
parent 191ff804ea
commit 3cf89a5de7
1 changed files with 11 additions and 1 deletions
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12
pkg/controller/service/service_controller.go
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@ -356,6 +356,11 @@ func (s *ServiceController) ensureLoadBalancer(service *v1.Service) (*v1.LoadBal
return nil, err
}
// If there are no available nodes for LoadBalancer service, make a EventTypeWarning event for it.
if len(nodes) == 0 {
s.eventRecorder.Eventf(service, v1.EventTypeWarning, "UnAvailableLoadBalancer", "There are no available nodes for LoadBalancer service %s/%s", service.Namespace, service.Name)
}
// - Only one protocol supported per service
// - Not all cloud providers support all protocols and the next step is expected to return
// an error for unsupported protocols
@ -683,7 +688,12 @@ func (s *ServiceController) lockedUpdateLoadBalancerHosts(service *v1.Service, h
// This operation doesn't normally take very long (and happens pretty often), so we only record the final event
err := s.balancer.UpdateLoadBalancer(s.clusterName, service, hosts)
if err == nil {
s.eventRecorder.Event(service, v1.EventTypeNormal, "UpdatedLoadBalancer", "Updated load balancer with new hosts")
// If there are no available nodes for LoadBalancer service, make a EventTypeWarning event for it.
if len(hosts) == 0 {
s.eventRecorder.Eventf(service, v1.EventTypeWarning, "UnAvailableLoadBalancer", "There are no available nodes for LoadBalancer service %s/%s", service.Namespace, service.Name)
} else {
s.eventRecorder.Event(service, v1.EventTypeNormal, "UpdatedLoadBalancer", "Updated load balancer with new hosts")
}
return nil
}