定义CRD资源Network

创建文件夹pkg/apis/networking.cci.io/v1beta1，其中networking.cci.io为CRD资源的group，v1beta1为CRD资源版本

mkdir -p pkg/apis/networking.cci.io/v1beta1

在新建文件夹中新建以下文件：

doc.go

// +k8s:deepcopy-gen=package
// +groupName=networking.cci.io
// +groupGoName=NetworkingCCI
package v1beta1

types.go

package v1beta1

import (
	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
)

// +k8s:deepcopy-gen:interfaces=k8s.io/apimachinery/pkg/runtime.Object

// NetworkList is a list of network resource in container.
type NetworkList struct {
	metav1.TypeMeta `json:",inline"`
	// Standard list metadata.
	// More info: https://git.k8s.io/community/contributors/devel/api-conventions.md#metadata
	// +optional
	metav1.ListMeta `json:"metadata,omitempty" protobuf:"bytes,1,opt,name=metadata"`
	Items           []Network `json:"items" protobuf:"bytes,2,rep,name=items"`
}

// +genclient
// +k8s:deepcopy-gen:interfaces=k8s.io/apimachinery/pkg/runtime.Object

// Network is a network resource in container.
type Network struct {
	metav1.TypeMeta `json:",inline"`
	// +optional
	metav1.ObjectMeta `json:"metadata,omitempty" protobuf:"bytes,1,opt,name=metadata"`
	// Spec defines the attributes on a network
	// +optional
	Spec NetworkSpec `json:"spec,omitempty" protobuf:"bytes,2,opt,name=spec"`
	// Status describes the network status
	// +optional
	Status NetworkStatus `json:"status,omitempty" protobuf:"bytes,3,opt,name=status"`
}

// NetworkSpec describes the attributes on a network resource.
type NetworkSpec struct {
	// network type
	NetworkType string `json:"networkType,omitempty" protobuf:"bytes,5,opt,name=networkType"`
	// ID of the VPC to attach
	AttachedVPC string `json:"attachedVPC,omitempty" protobuf:"bytes,4,opt,name=attachedVPC"`
	// network ID
	NetworkID string `json:"networkID,omitempty" protobuf:"bytes,7,opt,name=networkID"`
	// Subnet ID
	SubnetID string `json:"subnetID,omitempty" protobuf:"bytes,8,opt,name=subnetID"`
	// available zone
	AvailableZone string `json:"availableZone,omitempty" protobuf:"bytes,9,opt,name=availableZone"`
	// The CIDR of the network
	CIDR string `json:"cidr,omitempty" protobuf:"bytes,3,opt,name=cidr"`
}

// NetworkStatus describes the status of a network
type NetworkStatus struct {
	// State describes the network state
	// +optional
	State string `json:"state" protobuf:"bytes,1,opt,name=state"`
	// Message describes why network is in current state
	// +optional
	Message string `json:"message,omitempty" protobuf:"bytes,2,opt,name=message"`
}

const (
	// NetworkInitializing means the network is initializing
	NetworkInitializing = "Initializing"
	// NetworkPending means the network is processing
	NetworkPending = "Pending"
	// NetworkActive means the network is available
	NetworkActive = "Active"
	// NetworkFailed means the network is not available
	NetworkFailed = "Failed"
	// NetworkTerminating means the network is undergoing graceful termination
	NetworkTerminating = "Terminating"
)

register.go

package v1beta1

import (
	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
	"k8s.io/apimachinery/pkg/runtime"
	"k8s.io/apimachinery/pkg/runtime/schema"
)

// GroupName is the group name use in this package
const GroupName = "networking.cci.io"

// SchemeGroupVersion is group version used to register these objects
var SchemeGroupVersion = schema.GroupVersion{Group: GroupName, Version: "v1beta1"}

// Resource takes an unqualified resource and returns a Group qualified GroupResource
func Resource(resource string) schema.GroupResource {
	return SchemeGroupVersion.WithResource(resource).GroupResource()
}

var (
	// localSchemeBuilder and AddToScheme will stay in k8s.io/kubernetes.
	SchemeBuilder      = runtime.NewSchemeBuilder(addKnownTypes)
	localSchemeBuilder = &SchemeBuilder
	AddToScheme        = localSchemeBuilder.AddToScheme
)

// Adds the list of known types to the given scheme.
func addKnownTypes(scheme *runtime.Scheme) error {
	scheme.AddKnownTypes(SchemeGroupVersion,
		&Network{},
		&NetworkList{},
	)
	// Add the watch version that applies
	metav1.AddToGroupVersion(scheme, SchemeGroupVersion)
	return nil
}