Move KUDO to v1 CRDs (#1725)

this means we now support k8s 1.16+

Makefile

@@ -172,7 +172,7 @@ ifneq ($(shell go list -f '{{.Version}}' -m sigs.k8s.io/controller-tools), $(she
 	@echo "(Re-)installing controller-gen. Current version:  $(controller-gen --version 2>/dev/null | cut -b 10-). Need $(go list -f '{{.Version}}' -m sigs.k8s.io/controller-tools)"
 	go get sigs.k8s.io/controller-tools/cmd/controller-gen@$$(go list -f '{{.Version}}' -m sigs.k8s.io/controller-tools)
 endif
-	controller-gen crd:crdVersions=v1beta1 paths=./pkg/apis/... output:crd:dir=config/crds output:stdout
+	controller-gen crd paths=./pkg/apis/... output:crd:dir=config/crds output:stdout
 ifeq (, $(shell which go-bindata))
 	go get github.com/go-bindata/go-bindata/v3/go-bindata@$$(go list -f '{{.Version}}' -m github.com/go-bindata/go-bindata/v3)
 endif

cmd/manager/main.go

@@ -25,7 +25,7 @@ import (
 	"strings"
 	"time"
 
-	apiextenstionsv1beta1 "k8s.io/apiextensions-apiserver/pkg/apis/apiextensions/v1beta1"
+	apiext1 "k8s.io/apiextensions-apiserver/pkg/apis/apiextensions/v1"
 	"k8s.io/apimachinery/pkg/runtime"
 	"k8s.io/client-go/discovery/cached/memory"
 	_ "k8s.io/client-go/plugin/pkg/client/auth/gcp"
@@ -98,7 +98,7 @@ func main() {
 	}
 	log.Print("Scheme initialization")
 
-	if err := apiextenstionsv1beta1.AddToScheme(mgr.GetScheme()); err != nil {
+	if err := apiext1.AddToScheme(mgr.GetScheme()); err != nil {
 		log.Printf("Unable to add extension APIs to scheme: %v", err)
 	}
 

config/crds/kudo.dev_operators.yaml

@@ -1,6 +1,6 @@
 
 ---
-apiVersion: apiextensions.k8s.io/v1beta1
+apiVersion: apiextensions.k8s.io/v1
 kind: CustomResourceDefinition
 metadata:
   annotations:
@@ -15,51 +15,50 @@ spec:
     plural: operators
     singular: operator
   scope: Namespaced
-  validation:
-    openAPIV3Schema:
-      description: Operator is the Schema for the operator 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: OperatorSpec defines the desired state of Operator
-          properties:
-            description:
-              type: string
-            kubernetesVersion:
-              type: string
-            kudoVersion:
-              type: string
-            maintainers:
-              items:
-                description: Maintainer describes an Operator maintainer.
-                properties:
-                  email:
-                    description: Email is an optional email address to contact the named maintainer.
-                    type: string
-                  name:
-                    description: Name is a user name or organization name.
-                    type: string
-                type: object
-              type: array
-            namespaceManifest:
-              type: string
-            url:
-              type: string
-          type: object
-        status:
-          description: OperatorStatus defines the observed state of Operator
-          type: object
-      type: object
-  version: v1beta1
   versions:
   - name: v1beta1
+    schema:
+      openAPIV3Schema:
+        description: Operator is the Schema for the operator 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: OperatorSpec defines the desired state of Operator
+            properties:
+              description:
+                type: string
+              kubernetesVersion:
+                type: string
+              kudoVersion:
+                type: string
+              maintainers:
+                items:
+                  description: Maintainer describes an Operator maintainer.
+                  properties:
+                    email:
+                      description: Email is an optional email address to contact the named maintainer.
+                      type: string
+                    name:
+                      description: Name is a user name or organization name.
+                      type: string
+                  type: object
+                type: array
+              namespaceManifest:
+                type: string
+              url:
+                type: string
+            type: object
+          status:
+            description: OperatorStatus defines the observed state of Operator
+            type: object
+        type: object
     served: true
     storage: true
 status: