promote ServiceCIDR and IPAddress to GA

Kubernetes-commit: eeae7b3fc8fdad06e9991d71a6ff349ac71b6408

networking/v1/register.go

@@ -50,6 +50,10 @@ func addKnownTypes(scheme *runtime.Scheme) error {
 		&IngressClassList{},
 		&NetworkPolicy{},
 		&NetworkPolicyList{},
+		&IPAddress{},
+		&IPAddressList{},
+		&ServiceCIDR{},
+		&ServiceCIDRList{},
 	)
 
 	metav1.AddToGroupVersion(scheme, SchemeGroupVersion)

networking/v1/types.go

@@ -635,3 +635,133 @@ type IngressClassList struct {
 	// items is the list of IngressClasses.
 	Items []IngressClass `json:"items" protobuf:"bytes,2,rep,name=items"`
 }
+
+// +genclient
+// +genclient:nonNamespaced
+// +k8s:deepcopy-gen:interfaces=k8s.io/apimachinery/pkg/runtime.Object
+// +k8s:prerelease-lifecycle-gen:introduced=1.33
+
+// IPAddress represents a single IP of a single IP Family. The object is designed to be used by APIs
+// that operate on IP addresses. The object is used by the Service core API for allocation of IP addresses.
+// An IP address can be represented in different formats, to guarantee the uniqueness of the IP,
+// the name of the object is the IP address in canonical format, four decimal digits separated
+// by dots suppressing leading zeros for IPv4 and the representation defined by RFC 5952 for IPv6.
+// Valid: 192.168.1.5 or 2001:db8::1 or 2001:db8:aaaa:bbbb:cccc:dddd:eeee:1
+// Invalid: 10.01.2.3 or 2001:db8:0:0:0::1
+type IPAddress struct {
+	metav1.TypeMeta `json:",inline"`
+	// Standard object's metadata.
+	// More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#metadata
+	// +optional
+	metav1.ObjectMeta `json:"metadata,omitempty" protobuf:"bytes,1,opt,name=metadata"`
+	// spec is the desired state of the IPAddress.
+	// More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#spec-and-status
+	// +optional
+	Spec IPAddressSpec `json:"spec,omitempty" protobuf:"bytes,2,opt,name=spec"`
+}
+
+// IPAddressSpec describe the attributes in an IP Address.
+type IPAddressSpec struct {
+	// ParentRef references the resource that an IPAddress is attached to.
+	// An IPAddress must reference a parent object.
+	// +required
+	ParentRef *ParentReference `json:"parentRef,omitempty" protobuf:"bytes,1,opt,name=parentRef"`
+}
+
+// ParentReference describes a reference to a parent object.
+type ParentReference struct {
+	// Group is the group of the object being referenced.
+	// +optional
+	Group string `json:"group,omitempty" protobuf:"bytes,1,opt,name=group"`
+	// Resource is the resource of the object being referenced.
+	// +required
+	Resource string `json:"resource,omitempty" protobuf:"bytes,2,opt,name=resource"`
+	// Namespace is the namespace of the object being referenced.
+	// +optional
+	Namespace string `json:"namespace,omitempty" protobuf:"bytes,3,opt,name=namespace"`
+	// Name is the name of the object being referenced.
+	// +required
+	Name string `json:"name,omitempty" protobuf:"bytes,4,opt,name=name"`
+}
+
+// +k8s:deepcopy-gen:interfaces=k8s.io/apimachinery/pkg/runtime.Object
+// +k8s:prerelease-lifecycle-gen:introduced=1.33
+
+// IPAddressList contains a list of IPAddress.
+type IPAddressList struct {
+	metav1.TypeMeta `json:",inline"`
+	// Standard object's metadata.
+	// More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#metadata
+	// +optional
+	metav1.ListMeta `json:"metadata,omitempty" protobuf:"bytes,1,opt,name=metadata"`
+	// items is the list of IPAddresses.
+	Items []IPAddress `json:"items" protobuf:"bytes,2,rep,name=items"`
+}
+
+// +genclient
+// +genclient:nonNamespaced
+// +k8s:deepcopy-gen:interfaces=k8s.io/apimachinery/pkg/runtime.Object
+// +k8s:prerelease-lifecycle-gen:introduced=1.33
+
+// ServiceCIDR defines a range of IP addresses using CIDR format (e.g. 192.168.0.0/24 or 2001:db2::/64).
+// This range is used to allocate ClusterIPs to Service objects.
+type ServiceCIDR struct {
+	metav1.TypeMeta `json:",inline"`
+	// Standard object's metadata.
+	// More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#metadata
+	// +optional
+	metav1.ObjectMeta `json:"metadata,omitempty" protobuf:"bytes,1,opt,name=metadata"`
+	// spec is the desired state of the ServiceCIDR.
+	// More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#spec-and-status
+	// +optional
+	Spec ServiceCIDRSpec `json:"spec,omitempty" protobuf:"bytes,2,opt,name=spec"`
+	// status represents the current state of the ServiceCIDR.
+	// More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#spec-and-status
+	// +optional
+	Status ServiceCIDRStatus `json:"status,omitempty" protobuf:"bytes,3,opt,name=status"`
+}
+
+// ServiceCIDRSpec define the CIDRs the user wants to use for allocating ClusterIPs for Services.
+type ServiceCIDRSpec struct {
+	// CIDRs defines the IP blocks in CIDR notation (e.g. "192.168.0.0/24" or "2001:db8::/64")
+	// from which to assign service cluster IPs. Max of two CIDRs is allowed, one of each IP family.
+	// This field is immutable.
+	// +optional
+	// +listType=atomic
+	CIDRs []string `json:"cidrs,omitempty" protobuf:"bytes,1,opt,name=cidrs"`
+}
+
+const (
+	// ServiceCIDRConditionReady represents status of a ServiceCIDR that is ready to be used by the
+	// apiserver to allocate ClusterIPs for Services.
+	ServiceCIDRConditionReady = "Ready"
+	// ServiceCIDRReasonTerminating represents a reason where a ServiceCIDR is not ready because it is
+	// being deleted.
+	ServiceCIDRReasonTerminating = "Terminating"
+)
+
+// ServiceCIDRStatus describes the current state of the ServiceCIDR.
+type ServiceCIDRStatus struct {
+	// conditions holds an array of metav1.Condition that describe the state of the ServiceCIDR.
+	// Current service state
+	// +optional
+	// +patchMergeKey=type
+	// +patchStrategy=merge
+	// +listType=map
+	// +listMapKey=type
+	Conditions []metav1.Condition `json:"conditions,omitempty" patchStrategy:"merge" patchMergeKey:"type" protobuf:"bytes,1,rep,name=conditions"`
+}
+
+// +k8s:deepcopy-gen:interfaces=k8s.io/apimachinery/pkg/runtime.Object
+// +k8s:prerelease-lifecycle-gen:introduced=1.33
+
+// ServiceCIDRList contains a list of ServiceCIDR objects.
+type ServiceCIDRList struct {
+	metav1.TypeMeta `json:",inline"`
+	// Standard object's metadata.
+	// More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#metadata
+	// +optional
+	metav1.ListMeta `json:"metadata,omitempty" protobuf:"bytes,1,opt,name=metadata"`
+	// items is the list of ServiceCIDRs.
+	Items []ServiceCIDR `json:"items" protobuf:"bytes,2,rep,name=items"`
+}

networking/v1/well_known_labels.go

@@ -0,0 +1,33 @@
+/*
+Copyright 2023 The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package v1
+
+const (
+
+	// TODO: Use IPFamily as field with a field selector,And the value is set based on
+	// the name at create time and immutable.
+	// LabelIPAddressFamily is used to indicate the IP family of a Kubernetes IPAddress.
+	// This label simplify dual-stack client operations allowing to obtain the list of
+	// IP addresses filtered by family.
+	LabelIPAddressFamily = "ipaddress.kubernetes.io/ip-family"
+	// LabelManagedBy is used to indicate the controller or entity that manages
+	// an IPAddress. This label aims to enable different IPAddress
+	// objects to be managed by different controllers or entities within the
+	// same cluster. It is highly recommended to configure this label for all
+	// IPAddress objects.
+	LabelManagedBy = "ipaddress.kubernetes.io/managed-by"
+)