Deploy both v1alpha1 and v1alpha2 at the same time to support updates from old versions

Author: huxcrux

PROJECT

@@ -10,6 +10,14 @@ resources:
     domain: elx.cloud
     group: k8s
     kind: NodeGroup
+    path: github.com/elastx/elx-nodegroup-controller/api/v1alpha1
+    version: v1alpha1
+  - api:
+      crdVersion: v2
+    controller: true
+    domain: elx.cloud
+    group: k8s
+    kind: NodeGroup
     path: github.com/elastx/elx-nodegroup-controller/api/v1alpha2
     version: v1alpha2
 version: "3"

api/v1alpha1/groupversion_info.go

@@ -0,0 +1,36 @@
+/*
+Copyright 2022.
+
+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 v1alpha1 contains API Schema definitions for the k8s v1alpha1 API group
+// +kubebuilder:object:generate=true
+// +groupName=k8s.elx.cloud
+package v1alpha1
+
+import (
+	"k8s.io/apimachinery/pkg/runtime/schema"
+	"sigs.k8s.io/controller-runtime/pkg/scheme"
+)
+
+var (
+	// GroupVersion is group version used to register these objects
+	GroupVersion = schema.GroupVersion{Group: "k8s.elx.cloud", Version: "v1alpha1"}
+
+	// SchemeBuilder is used to add go types to the GroupVersionKind scheme
+	SchemeBuilder = &scheme.Builder{GroupVersion: GroupVersion}
+
+	// AddToScheme adds the types in this group-version to the given scheme.
+	AddToScheme = SchemeBuilder.AddToScheme
+)

api/v1alpha1/nodegroup_types.go

@@ -0,0 +1,59 @@
+/*
+Copyright 2022.
+
+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 v1alpha1
+
+import (
+	corev1 "k8s.io/api/core/v1"
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+)
+
+type NodeGroupSpec struct {
+	Members []string `json:"members,omitempty"`
+	//+optional
+	Labels map[string]string `json:"labels,omitEmpty"`
+	//+optional
+	Taints []corev1.Taint `json:"taints,omitEmpty"`
+}
+
+type NodeGroupStatus struct {
+}
+
+//+kubebuilder:object:root=true
+//+kubebuilder:subresource:status
+//+kubebuilder:resource:scope=Cluster
+
+// NodeGroup is the Schema for the nodegroups API
+type NodeGroup struct {
+	metav1.TypeMeta   `json:",inline"`
+	metav1.ObjectMeta `json:"metadata,omitempty"`
+
+	Spec   NodeGroupSpec   `json:"spec,omitempty"`
+	Status NodeGroupStatus `json:"status,omitempty"`
+}
+
+//+kubebuilder:object:root=true
+
+// NodeGroupList contains a list of NodeGroup
+type NodeGroupList struct {
+	metav1.TypeMeta `json:",inline"`
+	metav1.ListMeta `json:"metadata,omitempty"`
+	Items           []NodeGroup `json:"items"`
+}
+
+func init() {
+	SchemeBuilder.Register(&NodeGroup{}, &NodeGroupList{})
+}

api/v1alpha1/zz_generated.deepcopy.go

@@ -36,6 +36,7 @@ type NodeGroupStatus struct {
 }
 
 //+kubebuilder:object:root=true
+//+kubebuilder:storageversion
 //+kubebuilder:subresource:status
 //+kubebuilder:resource:scope=Cluster
 

api/v1alpha2/nodegroup_types.go

@@ -14,6 +14,75 @@ spec:
     singular: nodegroup
   scope: Cluster
   versions:
+  - name: v1alpha1
+    schema:
+      openAPIV3Schema:
+        description: NodeGroup is the Schema for the nodegroups API
+        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:
+            properties:
+              labels:
+                additionalProperties:
+                  type: string
+                type: object
+              members:
+                items:
+                  type: string
+                type: array
+              taints:
+                items:
+                  description: |-
+                    The node this Taint is attached to has the "effect" on
+                    any pod that does not tolerate the Taint.
+                  properties:
+                    effect:
+                      description: |-
+                        Required. The effect of the taint on pods
+                        that do not tolerate the taint.
+                        Valid effects are NoSchedule, PreferNoSchedule and NoExecute.
+                      type: string
+                    key:
+                      description: Required. The taint key to be applied to a node.
+                      type: string
+                    timeAdded:
+                      description: |-
+                        TimeAdded represents the time at which the taint was added.
+                        It is only written for NoExecute taints.
+                      format: date-time
+                      type: string
+                    value:
+                      description: The taint value corresponding to the taint key.
+                      type: string
+                  required:
+                  - effect
+                  - key
+                  type: object
+                type: array
+            type: object
+          status:
+            type: object
+        type: object
+    served: true
+    storage: false
+    subresources:
+      status: {}
   - name: v1alpha2
     schema:
       openAPIV3Schema: