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MinimizeIPTablesRestore to GA

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This commit is contained in:
Dan Winship 2023-05-08 15:45:21 -04:00
parent 5fd29596ef
commit c3971002c9
4 changed files with 8 additions and 18 deletions
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2
pkg/features/kube_features.go
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@ -975,7 +975,7 @@ var defaultKubernetesFeatureGates = map[featuregate.Feature]featuregate.FeatureS
MinDomainsInPodTopologySpread: {Default: true, PreRelease: featuregate.Beta},
MinimizeIPTablesRestore: {Default: true, PreRelease: featuregate.Beta},
MinimizeIPTablesRestore: {Default: true, PreRelease: featuregate.GA, LockToDefault: true}, // remove in 1.30
MultiCIDRRangeAllocator: {Default: false, PreRelease: featuregate.Alpha},

6
pkg/proxy/iptables/proxier.go
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@ -38,11 +38,9 @@ import (
"k8s.io/apimachinery/pkg/types"
"k8s.io/apimachinery/pkg/util/sets"
"k8s.io/apimachinery/pkg/util/wait"
utilfeature "k8s.io/apiserver/pkg/util/feature"
"k8s.io/client-go/tools/events"
utilsysctl "k8s.io/component-helpers/node/util/sysctl"
"k8s.io/klog/v2"
"k8s.io/kubernetes/pkg/features"
"k8s.io/kubernetes/pkg/proxy"
"k8s.io/kubernetes/pkg/proxy/conntrack"
"k8s.io/kubernetes/pkg/proxy/healthcheck"
@ -779,7 +777,9 @@ func (proxier *Proxier) syncProxyRules() {
return
}
tryPartialSync := !proxier.needFullSync && utilfeature.DefaultFeatureGate.Enabled(features.MinimizeIPTablesRestore)
// The value of proxier.needFullSync may change before the defer funcs run, so
// we need to keep track of whether it was set at the *start* of the sync.
tryPartialSync := !proxier.needFullSync
// Keep track of how long syncs take.
start := time.Now()

7
pkg/proxy/iptables/proxier_test.go
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@ -38,11 +38,8 @@ import (
"k8s.io/apimachinery/pkg/types"
"k8s.io/apimachinery/pkg/util/intstr"
"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"
"k8s.io/klog/v2"
"k8s.io/kubernetes/pkg/features"
"k8s.io/kubernetes/pkg/proxy"
"k8s.io/kubernetes/pkg/proxy/conntrack"
"k8s.io/kubernetes/pkg/proxy/metrics"
@ -7420,8 +7417,6 @@ func countEndpointsAndComments(iptablesData string, matchEndpoint string) (strin
}
func TestSyncProxyRulesLargeClusterMode(t *testing.T) {
defer featuregatetesting.SetFeatureGateDuringTest(t, utilfeature.DefaultFeatureGate, features.MinimizeIPTablesRestore, true)()
ipt := iptablestest.NewFake()
fp := NewFakeProxier(ipt)
fp.masqueradeAll = true
@ -7609,8 +7604,6 @@ func TestSyncProxyRulesLargeClusterMode(t *testing.T) {
// Test calling syncProxyRules() multiple times with various changes
func TestSyncProxyRulesRepeated(t *testing.T) {
defer featuregatetesting.SetFeatureGateDuringTest(t, utilfeature.DefaultFeatureGate, features.MinimizeIPTablesRestore, true)()
ipt := iptablestest.NewFake()
fp := NewFakeProxier(ipt)
metrics.RegisterMetrics()

11
pkg/proxy/metrics/metrics.go
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@ -27,9 +27,8 @@ import (
const kubeProxySubsystem = "kubeproxy"
var (
// SyncProxyRulesLatency is the latency of one round of kube-proxy syncing proxy rules.
// (With the iptables proxy, if MinimizeIPTablesRestore is enabled, this includes both
// full and partial syncs.)
// SyncProxyRulesLatency is the latency of one round of kube-proxy syncing proxy
// rules. (With the iptables proxy, this includes both full and partial syncs.)
SyncProxyRulesLatency = metrics.NewHistogram(
&metrics.HistogramOpts{
Subsystem: kubeProxySubsystem,
@ -40,8 +39,7 @@ var (
},
)
// SyncFullProxyRulesLatency is the latency of one round of full rule syncing, when
// MinimizeIPTablesRestore is enabled.
// SyncFullProxyRulesLatency is the latency of one round of full rule syncing.
SyncFullProxyRulesLatency = metrics.NewHistogram(
&metrics.HistogramOpts{
Subsystem: kubeProxySubsystem,
@ -52,8 +50,7 @@ var (
},
)
// SyncPartialProxyRulesLatency is the latency of one round of partial rule syncing, when
// MinimizeIPTablesRestore is enabled.
// SyncPartialProxyRulesLatency is the latency of one round of partial rule syncing.
SyncPartialProxyRulesLatency = metrics.NewHistogram(
&metrics.HistogramOpts{
Subsystem: kubeProxySubsystem,