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package v1
import metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
// +genclient
// +genclient:nonNamespaced
// +k8s:deepcopy-gen:interfaces=k8s.io/apimachinery/pkg/runtime.Object
// Feature holds cluster-wide information about feature gates. The canonical name is `cluster`
type FeatureGate struct {
metav1.TypeMeta `json:",inline"`
// Standard object's metadata.
metav1.ObjectMeta `json:"metadata,omitempty"`
// spec holds user settable values for configuration
// +required
Spec FeatureGateSpec `json:"spec"`
// status holds observed values from the cluster. They may not be overridden.
// +optional
Status FeatureGateStatus `json:"status"`
}
type FeatureSet string
var (
// Default feature set that allows upgrades.
Default FeatureSet = ""
// TechPreviewNoUpgrade turns on tech preview features that are not part of the normal supported platform. Turning
// this feature set on CANNOT BE UNDONE and PREVENTS UPGRADES.
TechPreviewNoUpgrade FeatureSet = "TechPreviewNoUpgrade"
)
type FeatureGateSpec struct {
// featureSet changes the list of features in the cluster. The default is empty. Be very careful adjusting this setting.
// Turning on or off features may cause irreversible changes in your cluster which cannot be undone.
FeatureSet FeatureSet `json:"featureSet,omitempty"`
}
type FeatureGateStatus struct {
}
// +k8s:deepcopy-gen:interfaces=k8s.io/apimachinery/pkg/runtime.Object
type FeatureGateList struct {
metav1.TypeMeta `json:",inline"`
// Standard object's metadata.
metav1.ListMeta `json:"metadata"`
Items []FeatureGate `json:"items"`
}
type FeatureGateEnabledDisabled struct {
Enabled []string
Disabled []string
}
// FeatureSets Contains a map of Feature names to Enabled/Disabled Feature.
//
// NOTE: The caller needs to make sure to check for the existence of the value
// using golang's existence field. A possible scenario is an upgrade where new
// FeatureSets are added and a controller has not been upgraded with a newer
// version of this file. In this upgrade scenario the map could return nil.
//
// example:
// if featureSet, ok := FeatureSets["SomeNewFeature"]; ok { }
//
// If you put an item in either of these lists, put your area and name on it so we can find owners.
var FeatureSets = map[FeatureSet]*FeatureGateEnabledDisabled{
Default: {
Enabled: []string{
"ExperimentalCriticalPodAnnotation", // sig-pod, sjenning
"RotateKubeletServerCertificate", // sig-pod, sjenning
"SupportPodPidsLimit", // sig-pod, sjenning
},
Disabled: []string{
"LocalStorageCapacityIsolation", // sig-pod, sjenning
},
},
TechPreviewNoUpgrade: {
Enabled: []string{
"ExperimentalCriticalPodAnnotation", // sig-pod, sjenning
"RotateKubeletServerCertificate", // sig-pod, sjenning
"SupportPodPidsLimit", // sig-pod, sjenning
"CSIBlockVolume", // sig-storage, j-griffith
},
Disabled: []string{
"LocalStorageCapacityIsolation", // sig-pod, sjenning
},
},
}
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