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upgrade IPv6DualStack feature to beta and turn on by default

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This commit is contained in:
Khaled (Kal) Henidak 2021-02-10 16:29:35 +00:00
parent f48972e671
commit 3e56ddae67
4 changed files with 4 additions and 9 deletions
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3
cmd/kube-apiserver/app/options/options.go
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@ -227,10 +227,9 @@ func (s *ServerRunOptions) Flags() (fss cliflag.NamedFlagSets) {
"of type NodePort, using this as the value of the port. If zero, the Kubernetes master "+
"service will be of type ClusterIP.")
// TODO (khenidak) change documentation as we move IPv6DualStack feature from ALPHA to BETA
fs.StringVar(&s.ServiceClusterIPRanges, "service-cluster-ip-range", s.ServiceClusterIPRanges, ""+
"A CIDR notation IP range from which to assign service cluster IPs. This must not "+
"overlap with any IP ranges assigned to nodes or pods.")
"overlap with any IP ranges assigned to nodes or pods. Max of two dual-stack CIDRs is allowed.")
fs.Var(&s.ServiceNodePortRange, "service-node-port-range", ""+
"A port range to reserve for services with NodePort visibility. "+

5
pkg/controller/nodeipam/node_ipam_controller.go
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@ -104,11 +104,6 @@ func NewNodeIpamController(
klog.Fatal("Controller: Must specify --cluster-cidr if --allocate-node-cidrs is set")
}
// TODO: (khenidak) IPv6DualStack beta:
// - modify mask to allow flexible masks for IPv4 and IPv6
// - for alpha status they are the same
// for each cidr, node mask size must be <= cidr mask
for idx, cidr := range clusterCIDRs {
mask := cidr.Mask
if maskSize, _ := mask.Size(); maskSize > nodeCIDRMaskSizes[idx] {

3
pkg/features/kube_features.go
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@ -472,6 +472,7 @@ const (
// owner: @khenidak
// alpha: v1.15
// beta: v1.21
//
// Enables ipv6 dual stack
IPv6DualStack featuregate.Feature = "IPv6DualStack"
@ -751,7 +752,7 @@ var defaultKubernetesFeatureGates = map[featuregate.Feature]featuregate.FeatureS
LocalStorageCapacityIsolationFSQuotaMonitoring: {Default: false, PreRelease: featuregate.Alpha},
NonPreemptingPriority: {Default: true, PreRelease: featuregate.Beta},
PodOverhead: {Default: true, PreRelease: featuregate.Beta},
IPv6DualStack: {Default: false, PreRelease: featuregate.Alpha},
IPv6DualStack: {Default: true, PreRelease: featuregate.Beta},
EndpointSlice: {Default: true, PreRelease: featuregate.Beta},
EndpointSliceProxying: {Default: true, PreRelease: featuregate.Beta},
EndpointSliceTerminatingCondition: {Default: false, PreRelease: featuregate.Alpha},

2
staging/src/k8s.io/controller-manager/pkg/features/kube_features.go
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@ -61,5 +61,5 @@ func SetupCurrentKubernetesSpecificFeatureGates(featuregates featuregate.Mutable
var cloudPublicFeatureGates = map[featuregate.Feature]featuregate.FeatureSpec{
LegacyNodeRoleBehavior: {Default: false, PreRelease: featuregate.GA, LockToDefault: true},
ServiceNodeExclusion: {Default: true, PreRelease: featuregate.GA, LockToDefault: true},
IPv6DualStack: {Default: false, PreRelease: featuregate.Alpha},
IPv6DualStack: {Default: true, PreRelease: featuregate.Beta},
}