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Add more events to LoadBalancer management

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It would be nice to see these events in the service like we do with pods;
also we've had trouble here so a few more events would be handy!
This commit is contained in:
Justin Santa Barbara 2015-06-13 11:39:52 -04:00
parent 9d1a48d5f6
commit 1ab62e541b
1 changed files with 23 additions and 2 deletions
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25
pkg/controller/service/servicecontroller.go
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@ -238,7 +238,14 @@ func (s *ServiceController) processDelta(delta *cache.Delta) (error, bool) {
case cache.Sync:
err, retry := s.createLoadBalancerIfNeeded(namespacedName, service, cachedService.appliedState)
if err != nil {
s.eventRecorder.Event(service, "creating loadbalancer failed", err.Error())
message := "error creating load balancer"
if retry {
message += " (will retry): "
} else {
message += " (will not retry): "
}
message += err.Error()
s.eventRecorder.Event(service, "creating loadbalancer failed", message)
return err, retry
}
// Always update the cache upon success.
@ -248,11 +255,14 @@ func (s *ServiceController) processDelta(delta *cache.Delta) (error, bool) {
cachedService.appliedState = service
s.cache.set(namespacedName.String(), cachedService)
case cache.Deleted:
s.eventRecorder.Event(service, "deleting loadbalancer", "deleting loadbalancer")
err := s.balancer.EnsureTCPLoadBalancerDeleted(s.loadBalancerName(service), s.zone.Region)
if err != nil {
s.eventRecorder.Event(service, "deleting loadbalancer failed", err.Error())
message := "error deleting load balancer (will retry): " + err.Error()
s.eventRecorder.Event(service, "deleting loadbalancer failed", message)
return err, retryable
}
s.eventRecorder.Event(service, "deleted loadbalancer", "deleted loadbalancer")
s.cache.delete(namespacedName.String())
default:
glog.Errorf("Unexpected delta type: %v", delta.Type)
@ -272,9 +282,11 @@ func (s *ServiceController) createLoadBalancerIfNeeded(namespacedName types.Name
// we can recreate it cleanly.
if wantsExternalLoadBalancer(cachedService) {
glog.Infof("Deleting existing load balancer for service %s that needs an updated load balancer.", namespacedName)
s.eventRecorder.Event(service, "deleting loadbalancer", "deleting loadbalancer, will recreate with updated configuration")
if err := s.balancer.EnsureTCPLoadBalancerDeleted(s.loadBalancerName(cachedService), s.zone.Region); err != nil {
return err, retryable
}
s.eventRecorder.Event(service, "deleted loadbalancer", "deleted loadbalancer")
}
} else {
// If we don't have any cached memory of the load balancer, we have to ask
@ -289,9 +301,11 @@ func (s *ServiceController) createLoadBalancerIfNeeded(namespacedName types.Name
} else if exists {
glog.Infof("Deleting old LB for previously uncached service %s whose endpoint %s doesn't match the service's desired IPs %v",
namespacedName, status, service.Spec.DeprecatedPublicIPs)
s.eventRecorder.Event(service, "deleting loadbalancer", "deleting loadbalancer, will recreate with updated IPs")
if err := s.balancer.EnsureTCPLoadBalancerDeleted(s.loadBalancerName(service), s.zone.Region); err != nil {
return err, retryable
}
s.eventRecorder.Event(service, "deleted loadbalancer", "deleted loadbalancer")
}
}
@ -306,10 +320,12 @@ func (s *ServiceController) createLoadBalancerIfNeeded(namespacedName types.Name
glog.V(2).Infof("Creating LB for service %s", namespacedName)
// The load balancer doesn't exist yet, so create it.
s.eventRecorder.Event(service, "creating loadbalancer", "creating loadbalancer")
err := s.createExternalLoadBalancer(service)
if err != nil {
return fmt.Errorf("failed to create external load balancer for service %s: %v", namespacedName, err), retryable
}
s.eventRecorder.Event(service, "created loadbalancer", "created loadbalancer")
}
// Write the state if changed
@ -651,9 +667,11 @@ func (s *ServiceController) lockedUpdateLoadBalancerHosts(service *api.Service,
return nil
}
// This operation doesn't normally take very long (and happens pretty often), so we only record the final event
name := cloudprovider.GetLoadBalancerName(service)
err := s.balancer.UpdateTCPLoadBalancer(name, s.zone.Region, hosts)
if err == nil {
s.eventRecorder.Event(service, "updated loadbalancer", "updated loadbalancer with new hosts")
return nil
}
@ -663,6 +681,9 @@ func (s *ServiceController) lockedUpdateLoadBalancerHosts(service *api.Service,
} else if !exists {
return nil
}
message := "error updating loadbalancer with new hosts: " + err.Error()
s.eventRecorder.Event(service, "updating loadbalancer failed", message)
return err
}