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Merge pull request #31217 from mfanjie/fix-service-controller-defect

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Automatic merge from submit-queue

persist services need to be retried in service controller cache.

fix issue reported by @anguslees
more detail on #25189
This commit is contained in:
Kubernetes Submit Queue 2016-08-26 02:34:44 -07:00 committed by GitHub
commit 88f6a67c7c
1 changed files with 13 additions and 13 deletions
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26
pkg/controller/service/servicecontroller.go
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@ -77,13 +77,14 @@ type serviceCache struct {
}
type ServiceController struct {
cloud cloudprovider.Interface
knownHosts []string
kubeClient clientset.Interface
clusterName string
balancer cloudprovider.LoadBalancer
zone cloudprovider.Zone
cache *serviceCache
cloud cloudprovider.Interface
knownHosts []string
servicesToUpdate []*api.Service
kubeClient clientset.Interface
clusterName string
balancer cloudprovider.LoadBalancer
zone cloudprovider.Zone
cache *serviceCache
// A store of services, populated by the serviceController
serviceStore cache.StoreToServiceLister
// Watches changes to all services
@ -619,7 +620,6 @@ func getNodeConditionPredicate() cache.NodeConditionPredicate {
// nodeSyncLoop handles updating the hosts pointed to by all load
// balancers whenever the set of nodes in the cluster changes.
func (s *ServiceController) nodeSyncLoop() {
var servicesToUpdate []*api.Service
nodes, err := s.nodeLister.NodeCondition(getNodeConditionPredicate()).List()
if err != nil {
glog.Errorf("Failed to retrieve current set of nodes from node lister: %v", err)
@ -629,18 +629,18 @@ func (s *ServiceController) nodeSyncLoop() {
if stringSlicesEqual(newHosts, s.knownHosts) {
// The set of nodes in the cluster hasn't changed, but we can retry
// updating any services that we failed to update last time around.
servicesToUpdate = s.updateLoadBalancerHosts(servicesToUpdate, newHosts)
s.servicesToUpdate = s.updateLoadBalancerHosts(s.servicesToUpdate, newHosts)
return
}
glog.Infof("Detected change in list of current cluster nodes. New node set: %v", newHosts)
// Try updating all services, and save the ones that fail to try again next
// round.
servicesToUpdate = s.cache.allServices()
numServices := len(servicesToUpdate)
servicesToUpdate = s.updateLoadBalancerHosts(servicesToUpdate, newHosts)
s.servicesToUpdate = s.cache.allServices()
numServices := len(s.servicesToUpdate)
s.servicesToUpdate = s.updateLoadBalancerHosts(s.servicesToUpdate, newHosts)
glog.Infof("Successfully updated %d out of %d load balancers to direct traffic to the updated set of nodes",
numServices-len(servicesToUpdate), numServices)
numServices-len(s.servicesToUpdate), numServices)
s.knownHosts = newHosts
}