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Merge pull request #55568 from m1093782566/unsortlist

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Automatic merge from submit-queue (batch tested with PRs 53580, 55568). If you want to cherry-pick this change to another branch, please follow the instructions <a href="https://github.com/kubernetes/community/blob/master/contributors/devel/cherry-picks.md">here</a>.

Replace sets.List() with sets.UnsortedList() in pkg/proxy

**What this PR does / why we need it**:

Replace sets.List() with sets.UnsortedList() in pkg/proxy - sets.List() will sort the result array, we don't need sorted array in pkg/proxy. Using sets.UnsortedList() can reduce the unnecessary overhead spending.

**Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*:
Fixes #

**Special notes for your reviewer**:

@wojtek-t wdyt ^_^

**Release note**:

```release-note
NONE
```

/sig network
This commit is contained in:
Kubernetes Submit Queue 2017-11-12 21:07:37 -08:00 committed by GitHub
commit d6cabaf706
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GPG Key ID: 4AEE18F83AFDEB23
5 changed files with 10 additions and 10 deletions
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2
pkg/proxy/iptables/proxier.go
View File

@ -1621,7 +1621,7 @@ func (proxier *Proxier) syncProxyRules() {
// Finish housekeeping.
// TODO: these could be made more consistent.
for _, svcIP := range staleServices.List() {
for _, svcIP := range staleServices.UnsortedList() {
if err := utilproxy.ClearUDPConntrackForIP(proxier.exec, svcIP); err != nil {
glog.Errorf("Failed to delete stale service IP %s connections, error: %v", svcIP, err)
}

6
pkg/proxy/iptables/proxier_test.go
View File

@ -1067,7 +1067,7 @@ func TestBuildServiceMapAddRemove(t *testing.T) {
// the not-deleted service, because one of it's ServicePorts was deleted.
expectedStaleUDPServices := []string{"172.16.55.10", "172.16.55.4", "172.16.55.11", "172.16.55.12"}
if len(result.staleServices) != len(expectedStaleUDPServices) {
t.Errorf("expected stale UDP services length %d, got %v", len(expectedStaleUDPServices), result.staleServices.List())
t.Errorf("expected stale UDP services length %d, got %v", len(expectedStaleUDPServices), result.staleServices.UnsortedList())
}
for _, ip := range expectedStaleUDPServices {
if !result.staleServices.Has(ip) {
@ -1183,7 +1183,7 @@ func TestBuildServiceMapServiceUpdate(t *testing.T) {
t.Errorf("expected healthcheck ports length 1, got %v", result.hcServices)
}
if len(result.staleServices) != 0 {
t.Errorf("expected stale UDP services length 0, got %v", result.staleServices.List())
t.Errorf("expected stale UDP services length 0, got %v", result.staleServices.UnsortedList())
}
// No change; make sure the service map stays the same and there are
@ -1197,7 +1197,7 @@ func TestBuildServiceMapServiceUpdate(t *testing.T) {
t.Errorf("expected healthcheck ports length 1, got %v", result.hcServices)
}
if len(result.staleServices) != 0 {
t.Errorf("expected stale UDP services length 0, got %v", result.staleServices.List())
t.Errorf("expected stale UDP services length 0, got %v", result.staleServices.UnsortedList())
}
// And back to ClusterIP

8
pkg/proxy/ipvs/proxier.go
View File

@ -673,7 +673,7 @@ func CanUseIPVSProxier() (bool, error) {
loadModules := sets.NewString()
wantModules.Insert(ipvsModules...)
loadModules.Insert(mods...)
modules := wantModules.Difference(loadModules).List()
modules := wantModules.Difference(loadModules).UnsortedList()
if len(modules) != 0 {
return false, fmt.Errorf("IPVS proxier will not be used because the following required kernel modules are not loaded: %v", modules)
}
@ -1254,7 +1254,7 @@ func (proxier *Proxier) syncProxyRules() {
// Finish housekeeping.
// TODO: these could be made more consistent.
for _, svcIP := range staleServices.List() {
for _, svcIP := range staleServices.UnsortedList() {
if err := utilproxy.ClearUDPConntrackForIP(proxier.exec, svcIP); err != nil {
glog.Errorf("Failed to delete stale service IP %s connections, error: %v", svcIP, err)
}
@ -1339,7 +1339,7 @@ func (proxier *Proxier) syncEndpoint(svcPortName proxy.ServicePortName, onlyNode
if !curEndpoints.Equal(newEndpoints) {
// Create new endpoints
for _, ep := range newEndpoints.Difference(curEndpoints).List() {
for _, ep := range newEndpoints.Difference(curEndpoints).UnsortedList() {
ip, port, err := net.SplitHostPort(ep)
if err != nil {
glog.Errorf("Failed to parse endpoint: %v, error: %v", ep, err)
@ -1363,7 +1363,7 @@ func (proxier *Proxier) syncEndpoint(svcPortName proxy.ServicePortName, onlyNode
}
}
// Delete old endpoints
for _, ep := range curEndpoints.Difference(newEndpoints).List() {
for _, ep := range curEndpoints.Difference(newEndpoints).UnsortedList() {
ip, port, err := net.SplitHostPort(ep)
if err != nil {
glog.Errorf("Failed to parse endpoint: %v, error: %v", ep, err)

2
pkg/proxy/userspace/proxier.go
View File

@ -503,7 +503,7 @@ func (proxier *Proxier) unmergeService(service *api.Service, existingPorts sets.
}
proxier.loadBalancer.DeleteService(serviceName)
}
for _, svcIP := range staleUDPServices.List() {
for _, svcIP := range staleUDPServices.UnsortedList() {
if err := utilproxy.ClearUDPConntrackForIP(proxier.exec, svcIP); err != nil {
glog.Errorf("Failed to delete stale service IP %s connections, error: %v", svcIP, err)
}

2
pkg/proxy/winkernel/proxier.go
View File

@ -1130,7 +1130,7 @@ func (proxier *Proxier) syncProxyRules() {
// Finish housekeeping.
// TODO: these could be made more consistent.
for _, svcIP := range staleServices.List() {
for _, svcIP := range staleServices.UnsortedList() {
// TODO : Check if this is required to cleanup stale services here
glog.V(5).Infof("Pending delete stale service IP %s connections", svcIP)
}