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Merge pull request #112163 from aojea/static_allocation_ga

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graduate ServiceIPStaticSubrange to GA
This commit is contained in:
Kubernetes Prow Robot 2022-10-14 17:31:18 -07:00 committed by GitHub
commit d754183866
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4 changed files with 3 additions and 23 deletions
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3
pkg/features/kube_features.go
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@ -699,6 +699,7 @@ const (
// kep: https://kep.k8s.io/3070
// alpha: v1.24
// beta: v1.25
// ga: v1.26
//
// Subdivide the ClusterIP range for dynamic and static IP allocation.
ServiceIPStaticSubrange featuregate.Feature = "ServiceIPStaticSubrange"
@ -978,7 +979,7 @@ var defaultKubernetesFeatureGates = map[featuregate.Feature]featuregate.FeatureS
SeccompDefault: {Default: true, PreRelease: featuregate.Beta},
ServiceIPStaticSubrange: {Default: true, PreRelease: featuregate.Beta},
ServiceIPStaticSubrange: {Default: true, PreRelease: featuregate.GA, LockToDefault: true}, // remove in 1.28
ServiceInternalTrafficPolicy: {Default: true, PreRelease: featuregate.Beta},

7
pkg/registry/core/service/ipallocator/allocator.go
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@ -22,9 +22,7 @@ import (
"math/big"
"net"
utilfeature "k8s.io/apiserver/pkg/util/feature"
api "k8s.io/kubernetes/pkg/apis/core"
"k8s.io/kubernetes/pkg/features"
"k8s.io/kubernetes/pkg/registry/core/service/allocator"
netutils "k8s.io/utils/net"
)
@ -124,10 +122,7 @@ func New(cidr *net.IPNet, allocatorFactory allocator.AllocatorWithOffsetFactory)
metrics: &emptyMetricsRecorder{}, // disabled by default
}
offset := 0
if utilfeature.DefaultFeatureGate.Enabled(features.ServiceIPStaticSubrange) {
offset = calculateRangeOffset(cidr)
}
offset := calculateRangeOffset(cidr)
var err error
r.alloc, err = allocatorFactory(r.max, rangeSpec, offset)

9
pkg/registry/core/service/ipallocator/allocator_test.go
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@ -22,11 +22,8 @@ import (
"testing"
"k8s.io/apimachinery/pkg/util/sets"
utilfeature "k8s.io/apiserver/pkg/util/feature"
featuregatetesting "k8s.io/component-base/featuregate/testing"
"k8s.io/component-base/metrics/testutil"
api "k8s.io/kubernetes/pkg/apis/core"
"k8s.io/kubernetes/pkg/features"
netutils "k8s.io/utils/net"
)
@ -181,8 +178,6 @@ func TestAllocateTiny(t *testing.T) {
}
func TestAllocateReserved(t *testing.T) {
defer featuregatetesting.SetFeatureGateDuringTest(t, utilfeature.DefaultFeatureGate, features.ServiceIPStaticSubrange, true)()
_, cidr, err := netutils.ParseCIDRSloppy("192.168.1.0/25")
if err != nil {
t.Fatal(err)
@ -425,8 +420,6 @@ func TestNewFromSnapshot(t *testing.T) {
func TestClusterIPMetrics(t *testing.T) {
clearMetrics()
defer featuregatetesting.SetFeatureGateDuringTest(t, utilfeature.DefaultFeatureGate, features.ServiceIPStaticSubrange, true)()
// create IPv4 allocator
cidrIPv4 := "10.0.0.0/24"
_, clusterCIDRv4, _ := netutils.ParseCIDRSloppy(cidrIPv4)
@ -539,8 +532,6 @@ func TestClusterIPMetrics(t *testing.T) {
func TestClusterIPAllocatedMetrics(t *testing.T) {
clearMetrics()
defer featuregatetesting.SetFeatureGateDuringTest(t, utilfeature.DefaultFeatureGate, features.ServiceIPStaticSubrange, true)()
// create IPv4 allocator
cidrIPv4 := "10.0.0.0/25"
_, clusterCIDRv4, _ := netutils.ParseCIDRSloppy(cidrIPv4)

7
pkg/registry/core/service/ipallocator/storage/storage_test.go
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@ -26,11 +26,8 @@ import (
"k8s.io/apiserver/pkg/storage"
etcd3testing "k8s.io/apiserver/pkg/storage/etcd3/testing"
"k8s.io/apiserver/pkg/storage/storagebackend/factory"
utilfeature "k8s.io/apiserver/pkg/util/feature"
featuregatetesting "k8s.io/component-base/featuregate/testing"
api "k8s.io/kubernetes/pkg/apis/core"
_ "k8s.io/kubernetes/pkg/apis/core/install"
"k8s.io/kubernetes/pkg/features"
"k8s.io/kubernetes/pkg/registry/core/service/allocator"
allocatorstore "k8s.io/kubernetes/pkg/registry/core/service/allocator/storage"
"k8s.io/kubernetes/pkg/registry/core/service/ipallocator"
@ -121,8 +118,6 @@ func TestStore(t *testing.T) {
}
func TestAllocateReserved(t *testing.T) {
defer featuregatetesting.SetFeatureGateDuringTest(t, utilfeature.DefaultFeatureGate, features.ServiceIPStaticSubrange, true)()
_, storage, _, si, destroyFunc := newStorage(t)
defer destroyFunc()
if err := si.Create(context.TODO(), key(), validNewRangeAllocation(), nil, 0); err != nil {
@ -169,8 +164,6 @@ func TestAllocateReserved(t *testing.T) {
}
func TestAllocateReservedDynamicBlockExhausted(t *testing.T) {
defer featuregatetesting.SetFeatureGateDuringTest(t, utilfeature.DefaultFeatureGate, features.ServiceIPStaticSubrange, true)()
_, storage, _, si, destroyFunc := newStorage(t)
defer destroyFunc()
if err := si.Create(context.TODO(), key(), validNewRangeAllocation(), nil, 0); err != nil {