github/kubernetes
1
0
Fork 0
mirror of https://github.com/k3s-io/kubernetes.git synced 2025-07-26 05:03:09 +00:00
Code Issues Projects Releases Wiki Activity

Merge pull request #81185 from andrewsykim/service-controller-node-resync

Browse Source 
service controller: add node event handlers for faster LB backend sync
This commit is contained in:
Kubernetes Prow Robot 2020-04-15 22:28:44 -07:00 committed by GitHub
commit 3a0417cc4b
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 19 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

21
pkg/controller/service/controller.go
View File

@ -19,11 +19,10 @@ package service
import ( import (
"context" "context"
"fmt" "fmt"
"reflect"
"sync" "sync"
"time" "time"
"reflect"
v1 "k8s.io/api/core/v1" v1 "k8s.io/api/core/v1"
"k8s.io/apimachinery/pkg/api/errors" "k8s.io/apimachinery/pkg/api/errors"
"k8s.io/apimachinery/pkg/labels" "k8s.io/apimachinery/pkg/labels"
@ -96,6 +95,7 @@ type serviceCache struct {
type Controller struct { type Controller struct {
cloud cloudprovider.Interface cloud cloudprovider.Interface
knownHosts []*v1.Node knownHosts []*v1.Node
knownHostsLock sync.Mutex
servicesToUpdate []*v1.Service servicesToUpdate []*v1.Service
kubeClient clientset.Interface kubeClient clientset.Interface
clusterName string clusterName string
@ -170,6 +170,21 @@ func New(
s.serviceLister = serviceInformer.Lister() s.serviceLister = serviceInformer.Lister()
s.serviceListerSynced = serviceInformer.Informer().HasSynced s.serviceListerSynced = serviceInformer.Informer().HasSynced
nodeInformer.Informer().AddEventHandlerWithResyncPeriod(
cache.ResourceEventHandlerFuncs{
AddFunc: func(cur interface{}) {
s.nodeSyncLoop()
},
UpdateFunc: func(old, cur interface{}) {
s.nodeSyncLoop()
},
DeleteFunc: func(old interface{}) {
s.nodeSyncLoop()
},
},
time.Duration(0),
)
if err := s.init(); err != nil { if err := s.init(); err != nil {
return nil, err return nil, err
} }
@ -637,6 +652,8 @@ func getNodeConditionPredicate() NodeConditionPredicate {
// nodeSyncLoop handles updating the hosts pointed to by all load // nodeSyncLoop handles updating the hosts pointed to by all load
// balancers whenever the set of nodes in the cluster changes. // balancers whenever the set of nodes in the cluster changes.
func (s *Controller) nodeSyncLoop() { func (s *Controller) nodeSyncLoop() {
s.knownHostsLock.Lock()
defer s.knownHostsLock.Unlock()
newHosts, err := listWithPredicate(s.nodeLister, getNodeConditionPredicate()) newHosts, err := listWithPredicate(s.nodeLister, getNodeConditionPredicate())
if err != nil { if err != nil {
runtime.HandleError(fmt.Errorf("Failed to retrieve current set of nodes from node lister: %v", err)) runtime.HandleError(fmt.Errorf("Failed to retrieve current set of nodes from node lister: %v", err))