feat: scaffold Valkey resources

Changes generated with:

```shell
./bin/operator-sdk-v1.36.0 create api --version v1alpha1 --kind Valkey --force
./bin/operator-sdk-v1.36.0 create webhook --version v1alpha1 --kind Valkey \
    --defaulting --programmatic-validation --conversion
```

CHANGELOG.md

@@ -17,6 +17,7 @@
   the cluster nodes
 - Add `OpenSearch` field `userConfig.opensearch.segrep`, type `object`: Segment Replication Backpressure
   Settings
+- Add kind: `Valkey`
 
 ## v0.26.0 - 2024-11-21
 

PROJECT

@@ -304,4 +304,17 @@ resources:
     defaulting: true
     validation: true
     webhookVersion: v1
+- api:
+    crdVersion: v1
+    namespaced: true
+  controller: true
+  domain: aiven.io
+  kind: Valkey
+  path: github.com/aiven/aiven-operator/api/v1alpha1
+  version: v1alpha1
+  webhooks:
+    conversion: true
+    defaulting: true
+    validation: true
+    webhookVersion: v1
 version: "3"

api/v1alpha1/valkey_types.go

@@ -0,0 +1,50 @@
+// Copyright (c) 2024 Aiven, Helsinki, Finland. https://aiven.io/
+
+package v1alpha1
+
+import (
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+)
+
+// EDIT THIS FILE!  THIS IS SCAFFOLDING FOR YOU TO OWN!
+// NOTE: json tags are required.  Any new fields you add must have json tags for the fields to be serialized.
+
+// ValkeySpec defines the desired state of Valkey
+type ValkeySpec struct {
+	// INSERT ADDITIONAL SPEC FIELDS - desired state of cluster
+	// Important: Run "make" to regenerate code after modifying this file
+
+	// Foo is an example field of Valkey. Edit valkey_types.go to remove/update
+	Foo string `json:"foo,omitempty"`
+}
+
+// ValkeyStatus defines the observed state of Valkey
+type ValkeyStatus struct {
+	// INSERT ADDITIONAL STATUS FIELD - define observed state of cluster
+	// Important: Run "make" to regenerate code after modifying this file
+}
+
+//+kubebuilder:object:root=true
+//+kubebuilder:subresource:status
+
+// Valkey is the Schema for the valkeys API
+type Valkey struct {
+	metav1.TypeMeta   `json:",inline"`
+	metav1.ObjectMeta `json:"metadata,omitempty"`
+
+	Spec   ValkeySpec   `json:"spec,omitempty"`
+	Status ValkeyStatus `json:"status,omitempty"`
+}
+
+//+kubebuilder:object:root=true
+
+// ValkeyList contains a list of Valkey
+type ValkeyList struct {
+	metav1.TypeMeta `json:",inline"`
+	metav1.ListMeta `json:"metadata,omitempty"`
+	Items           []Valkey `json:"items"`
+}
+
+func init() {
+	SchemeBuilder.Register(&Valkey{}, &ValkeyList{})
+}

api/v1alpha1/valkey_webhook.go

@@ -0,0 +1,61 @@
+// Copyright (c) 2024 Aiven, Helsinki, Finland. https://aiven.io/
+
+package v1alpha1
+
+import (
+	"k8s.io/apimachinery/pkg/runtime"
+	ctrl "sigs.k8s.io/controller-runtime"
+	logf "sigs.k8s.io/controller-runtime/pkg/log"
+	"sigs.k8s.io/controller-runtime/pkg/webhook"
+)
+
+// log is for logging in this package.
+var valkeylog = logf.Log.WithName("valkey-resource")
+
+func (r *Valkey) SetupWebhookWithManager(mgr ctrl.Manager) error {
+	return ctrl.NewWebhookManagedBy(mgr).
+		For(r).
+		Complete()
+}
+
+// TODO(user): EDIT THIS FILE!  THIS IS SCAFFOLDING FOR YOU TO OWN!
+
+//+kubebuilder:webhook:path=/mutate-aiven-io-v1alpha1-valkey,mutating=true,failurePolicy=fail,sideEffects=None,groups=aiven.io,resources=valkeys,verbs=create;update,versions=v1alpha1,name=mvalkey.kb.io,admissionReviewVersions=v1
+
+var _ webhook.Defaulter = &Valkey{}
+
+// Default implements webhook.Defaulter so a webhook will be registered for the type
+func (r *Valkey) Default() {
+	valkeylog.Info("default", "name", r.Name)
+
+	// TODO(user): fill in your defaulting logic.
+}
+
+// TODO(user): change verbs to "verbs=create;update;delete" if you want to enable deletion validation.
+//+kubebuilder:webhook:path=/validate-aiven-io-v1alpha1-valkey,mutating=false,failurePolicy=fail,sideEffects=None,groups=aiven.io,resources=valkeys,verbs=create;update,versions=v1alpha1,name=vvalkey.kb.io,admissionReviewVersions=v1
+
+var _ webhook.Validator = &Valkey{}
+
+// ValidateCreate implements webhook.Validator so a webhook will be registered for the type
+func (r *Valkey) ValidateCreate() error {
+	valkeylog.Info("validate create", "name", r.Name)
+
+	// TODO(user): fill in your validation logic upon object creation.
+	return nil
+}
+
+// ValidateUpdate implements webhook.Validator so a webhook will be registered for the type
+func (r *Valkey) ValidateUpdate(old runtime.Object) error {
+	valkeylog.Info("validate update", "name", r.Name)
+
+	// TODO(user): fill in your validation logic upon object update.
+	return nil
+}
+
+// ValidateDelete implements webhook.Validator so a webhook will be registered for the type
+func (r *Valkey) ValidateDelete() error {
+	valkeylog.Info("validate delete", "name", r.Name)
+
+	// TODO(user): fill in your validation logic upon object deletion.
+	return nil
+}

charts/aiven-operator-crds/templates/aiven.io_valkeys.yaml

@@ -0,0 +1,55 @@
+---
+apiVersion: apiextensions.k8s.io/v1
+kind: CustomResourceDefinition
+metadata:
+  annotations:
+    controller-gen.kubebuilder.io/version: v0.15.0
+  name: valkeys.aiven.io
+spec:
+  group: aiven.io
+  names:
+    kind: Valkey
+    listKind: ValkeyList
+    plural: valkeys
+    singular: valkey
+  scope: Namespaced
+  versions:
+    - name: v1alpha1
+      schema:
+        openAPIV3Schema:
+          description: Valkey is the Schema for the valkeys 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:
+              description: ValkeySpec defines the desired state of Valkey
+              properties:
+                foo:
+                  description:
+                    Foo is an example field of Valkey. Edit valkey_types.go
+                    to remove/update
+                  type: string
+              type: object
+            status:
+              description: ValkeyStatus defines the observed state of Valkey
+              type: object
+          type: object
+      served: true
+      storage: true
+      subresources:
+        status: {}

charts/aiven-operator/templates/cluster_role.yaml

@@ -753,6 +753,32 @@ rules:
       - get
       - patch
       - update
+  - apiGroups:
+      - aiven.io
+    resources:
+      - valkeys
+    verbs:
+      - create
+      - delete
+      - get
+      - list
+      - patch
+      - update
+      - watch
+  - apiGroups:
+      - aiven.io
+    resources:
+      - valkeys/finalizers
+    verbs:
+      - update
+  - apiGroups:
+      - aiven.io
+    resources:
+      - valkeys/status
+    verbs:
+      - get
+      - patch
+      - update
   - apiGroups:
       - coordination.k8s.io
     resources:

charts/aiven-operator/templates/mutating_webhook_configuration.yaml

@@ -429,5 +429,26 @@ webhooks:
           - serviceusers
     sideEffects: None
     {{- include "aiven-operator.webhookNamespaceSelector" . | indent 4 }}
+  - admissionReviewVersions:
+      - v1
+    clientConfig:
+      service:
+        name: {{ include "aiven-operator.fullname" . }}-webhook-service
+        namespace: {{ include "aiven-operator.namespace" . }}
+        path: /mutate-aiven-io-v1alpha1-valkey
+    failurePolicy: Fail
+    name: mvalkey.kb.io
+    rules:
+      - apiGroups:
+          - aiven.io
+        apiVersions:
+          - v1alpha1
+        operations:
+          - CREATE
+          - UPDATE
+        resources:
+          - valkeys
+    sideEffects: None
+    {{- include "aiven-operator.webhookNamespaceSelector" . | indent 4 }}
 
 {{- end }}

charts/aiven-operator/templates/validating_webhook_configuration.yaml

@@ -444,5 +444,26 @@ webhooks:
           - serviceusers
     sideEffects: None
     {{- include "aiven-operator.webhookNamespaceSelector" . | indent 4 }}
+  - admissionReviewVersions:
+      - v1
+    clientConfig:
+      service:
+        name: {{ include "aiven-operator.fullname" . }}-webhook-service
+        namespace: {{ include "aiven-operator.namespace" . }}
+        path: /validate-aiven-io-v1alpha1-valkey
+    failurePolicy: Fail
+    name: vvalkey.kb.io
+    rules:
+      - apiGroups:
+          - aiven.io
+        apiVersions:
+          - v1alpha1
+        operations:
+          - CREATE
+          - UPDATE
+        resources:
+          - valkeys
+    sideEffects: None
+    {{- include "aiven-operator.webhookNamespaceSelector" . | indent 4 }}
 
 {{- end }}