Add NEG CRD definition

hack/update-codegen.sh

@@ -64,3 +64,18 @@ ${GOPATH}/bin/openapi-gen \
   --input-dirs k8s.io/ingress-gce/pkg/apis/frontendconfig/v1beta1\
   --output-package k8s.io/ingress-gce/pkg/apis/frontendconfig/v1beta1 \
   --go-header-file ${SCRIPT_ROOT}/hack/boilerplate.go.txt
+
+echo "Performing code generation for ServiceNetworkEndpointGroup CRD"
+${CODEGEN_PKG}/generate-groups.sh \
+  "deepcopy,client,informer,lister" \
+  k8s.io/ingress-gce/pkg/svcneg/client k8s.io/ingress-gce/pkg/apis \
+  "svcneg:v1beta1" \
+  --go-header-file ${SCRIPT_ROOT}/hack/boilerplate.go.txt
+
+echo "Generating openapi for ServiceNetworkEndpointGroup v1beta1"
+go install ${OPENAPI_PKG}/cmd/openapi-gen
+${GOPATH}/bin/openapi-gen \
+  --output-file-base zz_generated.openapi \
+  --input-dirs k8s.io/ingress-gce/pkg/apis/svcneg/v1beta1\
+  --output-package k8s.io/ingress-gce/pkg/apis/svcneg/v1beta1 \
+  --go-header-file ${SCRIPT_ROOT}/hack/boilerplate.go.txt

pkg/apis/svcneg/register.go

@@ -0,0 +1,21 @@
+/*
+Copyright 2020 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 svcneg
+
+const (
+	GroupName = "networking.gke.io"
+)

pkg/apis/svcneg/v1beta1/doc.go

@@ -0,0 +1,21 @@
+/*
+Copyright 2020 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.
+*/
+
+// +k8s:deepcopy-gen=package
+
+// Package v1beta1 is the v1beta1 version of the API.
+// +groupName=networking.gke.io
+package v1beta1

pkg/apis/svcneg/v1beta1/register.go

@@ -0,0 +1,52 @@
+/*
+Copyright 2020 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 v1beta1
+
+import (
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+	"k8s.io/apimachinery/pkg/runtime"
+	"k8s.io/apimachinery/pkg/runtime/schema"
+	"k8s.io/ingress-gce/pkg/apis/servicenetworkendpointgroup"
+)
+
+// SchemeGroupVersion is group version used to register these objects
+var SchemeGroupVersion = schema.GroupVersion{Group: servicenetworkendpointgroup.GroupName, Version: "v1beta1"}
+
+// Kind takes an unqualified kind and returns back a Group qualified GroupKind
+func Kind(kind string) schema.GroupKind {
+	return SchemeGroupVersion.WithKind(kind).GroupKind()
+}
+
+// Resource takes an unqualified resource and returns a Group qualified GroupResource
+func Resource(resource string) schema.GroupResource {
+	return SchemeGroupVersion.WithResource(resource).GroupResource()
+}
+
+var (
+	SchemeBuilder = runtime.NewSchemeBuilder(addKnownTypes)
+	AddToScheme   = SchemeBuilder.AddToScheme
+)
+
+// Adds the list of known types to Scheme.
+func addKnownTypes(scheme *runtime.Scheme) error {
+	scheme.AddKnownTypes(SchemeGroupVersion,
+		&ServiceNetworkEndpointGroup{},
+		&ServiceNetworkEndpointGroupList{},
+	)
+	metav1.AddToGroupVersion(scheme, SchemeGroupVersion)
+	return nil
+}

pkg/apis/svcneg/v1beta1/types.go

@@ -0,0 +1,118 @@
+/*
+Copyright 2020 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 v1beta1
+
+import (
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+	core "k8s.io/kubernetes/pkg/apis/core"
+)
+
+// ServiceNetworkEndpointGroup represents a group of Network Endpoint Groups associated with a service.
+
+// +genclient
+// +genclient:noStatus
+// +k8s:deepcopy-gen:interfaces=k8s.io/apimachinery/pkg/runtime.Object
+//
+// +k8s:openapi-gen=true
+type ServiceNetworkEndpointGroup struct {
+	metav1.TypeMeta   `json:",inline"`
+	metav1.ObjectMeta `json:"metadata,omitempty"`
+
+	Spec   ServiceNetworkEndpointGroupSpec   `json:"spec,omitempty"`
+	Status ServiceNetworkEndpointGroupStatus `json:"status,omitempty"`
+}
+
+// ServiceNetworkEndpointGroupSpec is the spec for a ServiceNetworkEndpointGroup resource
+// +k8s:openapi-gen=true
+type ServiceNetworkEndpointGroupSpec struct{}
+
+// ServiceNetworkEndpointGroupStatus is the status for a ServiceNetworkEndpointGroup resource
+type ServiceNetworkEndpointGroupStatus struct {
+	NetworkEndpointGroups []NegObjectReference `json:"networkEndpointGroups,omitempty"`
+
+	// Last time the NEG syncer syncs associated NEGs.
+	// +optional
+	Conditions []Condition `json:"conditions,omitempty"`
+
+	// Last time the NEG syncer syncs associated NEGs.
+	// +optional
+	LastSyncTime metav1.Time `json:"lastTransitionTime,omitempty"`
+}
+
+// NegObjectReference is the object reference to the NEG resource in GCE
+type NegObjectReference struct {
+	// The unique identifier for the NEG resource in GCE API.
+	Id uint64 `json:"id,omitempty,string"`
+
+	// SelfLink is the GCE Server-defined fully-qualified URL for the GCE NEG resource
+	SelfLink string `json:"selfLink,omitempty"`
+
+	// NetworkEndpointType: Type of network endpoints in this network
+	// endpoint group.
+	NetworkEndpointType NetworkEndpointType `json:"networkEndpointType,omitempty"`
+}
+
+type NetworkEndpointType string
+
+const (
+	VmIpPortEndpointType      = NetworkEndpointType("GCE_VM_IP_PORT")
+	VmIpEndpointType          = NetworkEndpointType("GCE_VM_IP")
+	NonGCPPrivateEndpointType = NetworkEndpointType("NON_GCP_PRIVATE_IP_PORT")
+)
+
+// TODO: Replace Condition with standard Condition
+// NegCondition contains details for the current condition of this NEG.
+type Condition struct {
+	// Type is the type of the condition.
+	// +required
+	Type string `json:"type" protobuf:"bytes,1,opt,name=type"`
+	// Status of the condition, one of True, False, Unknown.
+	// +required
+	Status core.ConditionStatus `json:"status" protobuf:"bytes,2,opt,name=status"`
+	// ObservedGeneration will not be set for ServiceNetworkEndpointGroup as the spec is empty.
+	// +optional
+	ObservedGeneration int64 `json:"observedGeneration,omitempty" protobuf:"varint,3,opt,name=observedGeneration"`
+	// Last time the condition transitioned from one status to another.
+	// +required
+	LastTransitionTime metav1.Time `json:"lastTransitionTime" protobuf:"bytes,4,opt,name=lastTransitionTime"`
+	// The reason for the condition's last transition
+	// +required
+	Reason string `json:"reason" protobuf:"bytes,5,opt,name=reason"`
+	// A human readable message indicating details about the transition.
+	// This field may be empty.
+	// +required
+	Message string `json:"message" protobuf:"bytes,6,opt,name=message"`
+}
+
+// These are valid conditions of NEG.
+const (
+	// Initialized means all NEGs have been created and initialized.
+	Initialized = "Initialized"
+	// Synced means all NEGs are being synced.
+	// The LastSyncTime represents the time when the last sync took place.
+	Synced = "Synced"
+)
+
+// +k8s:deepcopy-gen:interfaces=k8s.io/apimachinery/pkg/runtime.Object
+
+// ServiceNetworkEndpointGroupList is a list of ServiceNetworkEndpointGroup resources
+type ServiceNetworkEndpointGroupList struct {
+	metav1.TypeMeta `json:",inline"`
+	metav1.ListMeta `json:"metadata"`
+
+	Items []ServiceNetworkEndpointGroup `json:"items"`
+}