Add VirtualCluster api

Signed-off-by: duanmengkk <[email protected]>

deploy/crds/kosmos.io_virtualclusters.yaml

@@ -0,0 +1,77 @@
+---
+apiVersion: apiextensions.k8s.io/v1
+kind: CustomResourceDefinition
+metadata:
+  annotations:
+    controller-gen.kubebuilder.io/version: v0.11.0
+  creationTimestamp: null
+  name: virtualclusters.kosmos.io
+spec:
+  group: kosmos.io
+  names:
+    kind: VirtualCluster
+    listKind: VirtualClusterList
+    plural: virtualclusters
+    singular: virtualcluster
+  scope: Cluster
+  versions:
+  - name: v1alpha1
+    schema:
+      openAPIV3Schema:
+        properties:
+          apiVersion:
+            description: 'APIVersion defines the versioned schema of this representation
+              of an object. Servers should convert recognized schemas to the latest
+              internal value, and may reject unrecognized values. More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#resources'
+            type: string
+          kind:
+            description: 'Kind is a string value representing the REST resource this
+              object represents. Servers may infer this from the endpoint the client
+              submits requests to. Cannot be updated. In CamelCase. More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#types-kinds'
+            type: string
+          metadata:
+            type: object
+          spec:
+            description: Spec is the specification for the behaviour of the VirtualCluster.
+            properties:
+              kubeconfig:
+                description: Kubeconfig is the kubeconfig of the virtual kubernetes's
+                  control plane
+                type: string
+              promoteResources:
+                description: PromoteResources definites the resources for promote
+                  to the kubernetes's control plane, the resources can be nodes or
+                  just cpu,memory or gpu resources
+                properties:
+                  nodes:
+                    description: Nodes is the names of node to promote to the kubernetes's
+                      control plane
+                    items:
+                      type: string
+                    type: array
+                  resources:
+                    additionalProperties:
+                      anyOf:
+                      - type: integer
+                      - type: string
+                      pattern: ^(\+|-)?(([0-9]+(\.[0-9]*)?)|(\.[0-9]+))(([KMGTPE]i)|[numkMGTPE]|([eE](\+|-)?(([0-9]+(\.[0-9]*)?)|(\.[0-9]+))))?$
+                      x-kubernetes-int-or-string: true
+                    description: Resources is the resources to promote to the kubernetes's
+                      control plane
+                    type: object
+                type: object
+            required:
+            - promoteResources
+            type: object
+          status:
+            description: Status describes the current status of a VirtualCluster.
+            properties:
+              phase:
+                description: Phase is the phase of kosmos-operator handling the VirtualCluster
+                type: string
+            type: object
+        required:
+        - spec
+        type: object
+    served: true
+    storage: true

pkg/apis/kosmos/v1alpha1/virtualcluster_types.go

@@ -0,0 +1,62 @@
+package v1alpha1
+
+import (
+	corev1 "k8s.io/api/core/v1"
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+)
+
+type Phase string
+
+const (
+	// Preparing means kubernetes control plane is preparing,and kubeconfig is not ready
+	Preparing Phase = "Preparing"
+	// Initialized means kubernetes control plane is ready,and kubeconfig is ready for use
+	Initialized Phase = "Initialized"
+	// Completed means kubernetes control plane is ready,kosmos is joined, and resource is promoted
+	Completed Phase = "Completed"
+)
+
+// +genclient
+// +genclient:nonNamespaced
+// +kubebuilder:resource:scope="Cluster"
+// +k8s:deepcopy-gen:interfaces=k8s.io/apimachinery/pkg/runtime.Object
+
+type VirtualCluster struct {
+	metav1.TypeMeta   `json:",inline"`
+	metav1.ObjectMeta `json:"metadata,omitempty"`
+
+	// Spec is the specification for the behaviour of the VirtualCluster.
+	// +required
+	Spec VirtualClusterSpec `json:"spec"`
+
+	// Status describes the current status of a VirtualCluster.
+	// +optional
+	Status VirtualClusterStatus `json:"status,omitempty"`
+}
+
+type VirtualClusterSpec struct {
+	// Kubeconfig is the kubeconfig of the virtual kubernetes's control plane
+	// +optional
+	Kubeconfig string `json:"kubeconfig,omitempty"`
+
+	// PromoteResources definites the resources for promote to the kubernetes's control plane,
+	// the resources can be nodes or just cpu,memory or gpu resources
+	// +required
+	PromoteResources PromoteResources `json:"promoteResources"`
+}
+
+type PromoteResources struct {
+	// Nodes is the names of node to promote to the kubernetes's control plane
+	// +optional
+	Nodes []string `json:"nodes,omitempty"`
+
+	// Resources is the resources to promote to the kubernetes's control plane
+	// +optional
+	Resources corev1.ResourceList `json:"resources,omitempty"`
+}
+
+type VirtualClusterStatus struct {
+	// Phase is the phase of kosmos-operator handling the VirtualCluster
+	// +optional
+	Phase Phase `json:"phase,omitempty"`
+}