apply example

examples/applyconfig/api/v1/applytest.kubebuilder.io_foos.yaml

@@ -0,0 +1,51 @@
+
+---
+apiVersion: apiextensions.k8s.io/v1beta1
+kind: CustomResourceDefinition
+metadata:
+  annotations:
+    controller-gen.kubebuilder.io/version: v0.3.0
+  creationTimestamp: null
+  name: foos.applytest.kubebuilder.io
+spec:
+  group: applytest.kubebuilder.io
+  names:
+    kind: Foo
+    listKind: FooList
+    plural: foos
+    singular: foo
+  scope: Namespaced
+  validation:
+    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
+        nonNullableField:
+          type: string
+        nullableField:
+          type: string
+      required:
+      - metadata
+      - nonNullableField
+      type: object
+  version: v1
+  versions:
+  - name: v1
+    served: true
+    storage: true
+status:
+  acceptedNames:
+    kind: ""
+    plural: ""
+  conditions: []
+  storedVersions: []

examples/applyconfig/api/v1/foo.go

@@ -0,0 +1,20 @@
+//go:generate controller-gen object crd paths="." output:dir="."
+// +groupName=applytest.kubebuilder.io
+// +versionName=v1
+//go:generate $GOPATH/src/sigs.k8s.io/controller-tools/controller-gen apply paths="./..."
+//go:generate $GOPATH/src/sigs.k8s.io/controller-tools/controller-gen object paths="./..."
+package v1
+
+import (
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+)
+
+// +kubebuilder:object:generate=true
+// +kubebuilder:object:root=true
+// +kubebuilder:ac:root=true
+type Foo struct {
+	metav1.TypeMeta   `json:",inline"`
+	metav1.ObjectMeta `json:"metadata"`
+	NonNullableField  string `json:"nonNullableField"`
+	NullableField     string `json:"nullableField,omitempty"`
+}

examples/applyconfig/go.mod

@@ -0,0 +1,11 @@
+module sigs.k8s.io/controller-runtime/examples/applyconfig
+
+go 1.15
+
+require (
+	k8s.io/apimachinery v0.21.0
+	k8s.io/client-go v0.21.0
+	sigs.k8s.io/controller-runtime v0.8.1
+)
+
+replace sigs.k8s.io/controller-runtime => ../..