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Merge pull request #96872 from cici37/moveFeature

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Move IPv6DualStack to k8s.io/controller-manager
This commit is contained in:
Kubernetes Prow Robot 2020-12-08 20:04:16 -08:00 committed by GitHub
commit 2282b3c258
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5 changed files with 18 additions and 11 deletions
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1
cmd/cloud-controller-manager/BUILD
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@ -36,6 +36,7 @@ go_library(
"//staging/src/k8s.io/component-base/metrics/prometheus/clientgo:go_default_library",
"//staging/src/k8s.io/component-base/metrics/prometheus/version:go_default_library",
"//staging/src/k8s.io/controller-manager/app:go_default_library",
"//staging/src/k8s.io/controller-manager/pkg/features:go_default_library",
"//staging/src/k8s.io/legacy-cloud-providers/aws:go_default_library",
"//staging/src/k8s.io/legacy-cloud-providers/azure:go_default_library",
"//staging/src/k8s.io/legacy-cloud-providers/gce:go_default_library",

8
cmd/cloud-controller-manager/nodeipamcontroller.go
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@ -28,9 +28,9 @@ import (
utilfeature "k8s.io/apiserver/pkg/util/feature"
cloudprovider "k8s.io/cloud-provider"
"k8s.io/cloud-provider/app"
cloudcontrollerconfig "k8s.io/cloud-provider/app/config"
genericcontrollermanager "k8s.io/controller-manager/app"
"k8s.io/controller-manager/pkg/features"
"k8s.io/klog/v2"
nodeipamcontroller "k8s.io/kubernetes/pkg/controller/nodeipam"
nodeipamconfig "k8s.io/kubernetes/pkg/controller/nodeipam/config"
@ -61,7 +61,7 @@ func startNodeIpamController(ccmconfig *cloudcontrollerconfig.CompletedConfig, n
}
// failure: more than one cidr and dual stack is not enabled
if len(clusterCIDRs) > 1 && !utilfeature.DefaultFeatureGate.Enabled(app.IPv6DualStack) {
if len(clusterCIDRs) > 1 && !utilfeature.DefaultFeatureGate.Enabled(features.IPv6DualStack) {
return nil, false, fmt.Errorf("len of ClusterCIDRs==%v and dualstack feature is not enabled", len(clusterCIDRs))
}
@ -93,7 +93,7 @@ func startNodeIpamController(ccmconfig *cloudcontrollerconfig.CompletedConfig, n
// the following checks are triggered if both serviceCIDR and secondaryServiceCIDR are provided
if serviceCIDR != nil && secondaryServiceCIDR != nil {
// should have dual stack flag enabled
if !utilfeature.DefaultFeatureGate.Enabled(app.IPv6DualStack) {
if !utilfeature.DefaultFeatureGate.Enabled(features.IPv6DualStack) {
return nil, false, fmt.Errorf("secondary service cidr is provided and IPv6DualStack feature is not enabled")
}
@ -108,7 +108,7 @@ func startNodeIpamController(ccmconfig *cloudcontrollerconfig.CompletedConfig, n
}
var nodeCIDRMaskSizeIPv4, nodeCIDRMaskSizeIPv6 int
if utilfeature.DefaultFeatureGate.Enabled(app.IPv6DualStack) {
if utilfeature.DefaultFeatureGate.Enabled(features.IPv6DualStack) {
// only --node-cidr-mask-size-ipv4 and --node-cidr-mask-size-ipv6 supported with dual stack clusters.
// --node-cidr-mask-size flag is incompatible with dual stack clusters.
nodeCIDRMaskSizeIPv4, nodeCIDRMaskSizeIPv6, err = setNodeCIDRMaskSizesDualStack(nodeipamconfig)

1
staging/src/k8s.io/cloud-provider/app/BUILD
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@ -40,6 +40,7 @@ go_library(
"//staging/src/k8s.io/component-base/version/verflag:go_default_library",
"//staging/src/k8s.io/controller-manager/app:go_default_library",
"//staging/src/k8s.io/controller-manager/pkg/clientbuilder:go_default_library",
"//staging/src/k8s.io/controller-manager/pkg/features:go_default_library",
"//staging/src/k8s.io/controller-manager/pkg/informerfactory:go_default_library",
"//vendor/github.com/spf13/cobra:go_default_library",
"//vendor/k8s.io/klog/v2:go_default_library",

9
staging/src/k8s.io/cloud-provider/app/core.go
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@ -32,18 +32,13 @@ import (
cloudnodelifecyclecontroller "k8s.io/cloud-provider/controllers/nodelifecycle"
routecontroller "k8s.io/cloud-provider/controllers/route"
servicecontroller "k8s.io/cloud-provider/controllers/service"
"k8s.io/controller-manager/pkg/features"
"k8s.io/klog/v2"
netutils "k8s.io/utils/net"
utilfeature "k8s.io/apiserver/pkg/util/feature"
)
const (
// IPv6DualStack enables ipv6 dual stack feature
// Original copy from pkg/features/kube_features.go
IPv6DualStack = "IPv6DualStack"
)
func startCloudNodeController(ctx *config.CompletedConfig, cloud cloudprovider.Interface, stopCh <-chan struct{}) (http.Handler, bool, error) {
// Start the CloudNodeController
nodeController, err := cloudnodecontroller.NewCloudNodeController(
@ -123,7 +118,7 @@ func startRouteController(ctx *config.CompletedConfig, cloud cloudprovider.Inter
}
// failure: more than one cidr and dual stack is not enabled
if len(clusterCIDRs) > 1 && !utilfeature.DefaultFeatureGate.Enabled(IPv6DualStack) {
if len(clusterCIDRs) > 1 && !utilfeature.DefaultFeatureGate.Enabled(features.IPv6DualStack) {
return nil, false, fmt.Errorf("len of ClusterCIDRs==%v and dualstack feature is not enabled", len(clusterCIDRs))
}

10
staging/src/k8s.io/controller-manager/pkg/features/kube_features.go
View File

@ -32,6 +32,7 @@ const (
// beta: v1.19
//
// Enable legacy behavior to vary cluster functionality on the node-role.kubernetes.io labels. On by default (legacy), will be turned off in 1.18.
// Original copy from k8s.io/kubernetes/pkg/features/kube_features.go
LegacyNodeRoleBehavior featuregate.Feature = "LegacyNodeRoleBehavior"
// owner @brendandburns
@ -39,7 +40,15 @@ const (
// beta: v1.19
//
// Enable nodes to exclude themselves from service load balancers
// Original copy from k8s.io/kubernetes/pkg/features/kube_features.go
ServiceNodeExclusion featuregate.Feature = "ServiceNodeExclusion"
// owner: @khenidak
// alpha: v1.15
//
// Enables ipv6 dual stack
// Original copy from k8s.io/kubernetes/pkg/features/kube_features.go
IPv6DualStack featuregate.Feature = "IPv6DualStack"
)
func SetupCurrentKubernetesSpecificFeatureGates(featuregates featuregate.MutableFeatureGate) error {
@ -51,4 +60,5 @@ func SetupCurrentKubernetesSpecificFeatureGates(featuregates featuregate.Mutable
var cloudPublicFeatureGates = map[featuregate.Feature]featuregate.FeatureSpec{
LegacyNodeRoleBehavior: {Default: true, PreRelease: featuregate.Beta},
ServiceNodeExclusion: {Default: true, PreRelease: featuregate.Beta},
IPv6DualStack: {Default: false, PreRelease: featuregate.Alpha},
}