Ensure enum values for type (#59)

Author: chatton

deploy/crds/mongodb.com_mongodb_crd.yaml

@@ -52,6 +52,8 @@ spec:
             type:
               description: Type defines which type of MongoDB deployment the resource
                 should create
+              enum:
+              - ReplicaSet
               type: string
             version:
               description: Version defines which version of MongoDB will be used

pkg/apis/mongodb/v1/mongodb_types.go

@@ -31,6 +31,7 @@ type MongoDBSpec struct {
 	// +optional
 	Members int `json:"members"`
 	// Type defines which type of MongoDB deployment the resource should create
+	// +kubebuilder:validation:Enum=ReplicaSet
 	Type Type `json:"type"`
 	// Version defines which version of MongoDB will be used
 	Version string `json:"version"`