[node operator] NodeImage API gen

Signed-off-by: Malte Poll <mp@edgeless.systems>

operators/constellation-node-operator/PROJECT

@@ -6,4 +6,13 @@ plugins:
   scorecard.sdk.operatorframework.io/v2: {}
 projectName: constellation-node-operator
 repo: github.com/edgelesssys/constellation/operators/constellation-node-operator
+resources:
+- api:
+    crdVersion: v1
+  controller: true
+  domain: edgeless.systems
+  group: update
+  kind: NodeImage
+  path: github.com/edgelesssys/constellation/operators/constellation-node-operator/api/v1alpha1
+  version: v1alpha1
 version: "3"

operators/constellation-node-operator/api/v1alpha1/groupversion_info.go

@@ -0,0 +1,21 @@
+
+// Package v1alpha1 contains API Schema definitions for the update v1alpha1 API group
+//+kubebuilder:object:generate=true
+//+groupName=update.edgeless.systems
+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: "update.edgeless.systems", 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
+)

operators/constellation-node-operator/api/v1alpha1/nodeimage_types.go

@@ -0,0 +1,50 @@
+
+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.
+
+// NodeImageSpec defines the desired state of NodeImage
+type NodeImageSpec 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 NodeImage. Edit nodeimage_types.go to remove/update
+	Foo string `json:"foo,omitempty"`
+}
+
+// NodeImageStatus defines the observed state of NodeImage
+type NodeImageStatus 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
+//+kubebuilder:resource:scope=Cluster
+
+// NodeImage is the Schema for the nodeimages API
+type NodeImage struct {
+	metav1.TypeMeta   `json:",inline"`
+	metav1.ObjectMeta `json:"metadata,omitempty"`
+
+	Spec   NodeImageSpec   `json:"spec,omitempty"`
+	Status NodeImageStatus `json:"status,omitempty"`
+}
+
+//+kubebuilder:object:root=true
+
+// NodeImageList contains a list of NodeImage
+type NodeImageList struct {
+	metav1.TypeMeta `json:",inline"`
+	metav1.ListMeta `json:"metadata,omitempty"`
+	Items           []NodeImage `json:"items"`
+}
+
+func init() {
+	SchemeBuilder.Register(&NodeImage{}, &NodeImageList{})
+}

operators/constellation-node-operator/api/v1alpha1/zz_generated.deepcopy.go

@@ -0,0 +1,100 @@
+//go:build !ignore_autogenerated
+// +build !ignore_autogenerated
+
+
+// Code generated by controller-gen. DO NOT EDIT.
+
+package v1alpha1
+
+import (
+	runtime "k8s.io/apimachinery/pkg/runtime"
+)
+
+// DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.
+func (in *NodeImage) DeepCopyInto(out *NodeImage) {
+	*out = *in
+	out.TypeMeta = in.TypeMeta
+	in.ObjectMeta.DeepCopyInto(&out.ObjectMeta)
+	out.Spec = in.Spec
+	out.Status = in.Status
+}
+
+// DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new NodeImage.
+func (in *NodeImage) DeepCopy() *NodeImage {
+	if in == nil {
+		return nil
+	}
+	out := new(NodeImage)
+	in.DeepCopyInto(out)
+	return out
+}
+
+// DeepCopyObject is an autogenerated deepcopy function, copying the receiver, creating a new runtime.Object.
+func (in *NodeImage) DeepCopyObject() runtime.Object {
+	if c := in.DeepCopy(); c != nil {
+		return c
+	}
+	return nil
+}
+
+// DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.
+func (in *NodeImageList) DeepCopyInto(out *NodeImageList) {
+	*out = *in
+	out.TypeMeta = in.TypeMeta
+	in.ListMeta.DeepCopyInto(&out.ListMeta)
+	if in.Items != nil {
+		in, out := &in.Items, &out.Items
+		*out = make([]NodeImage, len(*in))
+		for i := range *in {
+			(*in)[i].DeepCopyInto(&(*out)[i])
+		}
+	}
+}
+
+// DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new NodeImageList.
+func (in *NodeImageList) DeepCopy() *NodeImageList {
+	if in == nil {
+		return nil
+	}
+	out := new(NodeImageList)
+	in.DeepCopyInto(out)
+	return out
+}
+
+// DeepCopyObject is an autogenerated deepcopy function, copying the receiver, creating a new runtime.Object.
+func (in *NodeImageList) DeepCopyObject() runtime.Object {
+	if c := in.DeepCopy(); c != nil {
+		return c
+	}
+	return nil
+}
+
+// DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.
+func (in *NodeImageSpec) DeepCopyInto(out *NodeImageSpec) {
+	*out = *in
+}
+
+// DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new NodeImageSpec.
+func (in *NodeImageSpec) DeepCopy() *NodeImageSpec {
+	if in == nil {
+		return nil
+	}
+	out := new(NodeImageSpec)
+	in.DeepCopyInto(out)
+	return out
+}
+
+// DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.
+func (in *NodeImageStatus) DeepCopyInto(out *NodeImageStatus) {
+	*out = *in
+}
+
+// DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new NodeImageStatus.
+func (in *NodeImageStatus) DeepCopy() *NodeImageStatus {
+	if in == nil {
+		return nil
+	}
+	out := new(NodeImageStatus)
+	in.DeepCopyInto(out)
+	return out
+}

operators/constellation-node-operator/config/crd/kustomization.yaml

@@ -0,0 +1,21 @@
+# This kustomization.yaml is not intended to be run by itself,
+# since it depends on service name and namespace that are out of this kustomize package.
+# It should be run by config/default
+resources:
+- bases/update.edgeless.systems_nodeimages.yaml
+#+kubebuilder:scaffold:crdkustomizeresource
+
+patchesStrategicMerge:
+# [WEBHOOK] To enable webhook, uncomment all the sections with [WEBHOOK] prefix.
+# patches here are for enabling the conversion webhook for each CRD
+#- patches/webhook_in_nodeimages.yaml
+#+kubebuilder:scaffold:crdkustomizewebhookpatch
+
+# [CERTMANAGER] To enable cert-manager, uncomment all the sections with [CERTMANAGER] prefix.
+# patches here are for enabling the CA injection for each CRD
+#- patches/cainjection_in_nodeimages.yaml
+#+kubebuilder:scaffold:crdkustomizecainjectionpatch
+
+# the following config is for teaching kustomize how to do kustomization for CRDs.
+configurations:
+- kustomizeconfig.yaml

operators/constellation-node-operator/config/crd/kustomizeconfig.yaml

@@ -0,0 +1,19 @@
+# This file is for teaching kustomize how to substitute name and namespace reference in CRD
+nameReference:
+- kind: Service
+  version: v1
+  fieldSpecs:
+  - kind: CustomResourceDefinition
+    version: v1
+    group: apiextensions.k8s.io
+    path: spec/conversion/webhook/clientConfig/service/name
+
+namespace:
+- kind: CustomResourceDefinition
+  version: v1
+  group: apiextensions.k8s.io
+  path: spec/conversion/webhook/clientConfig/service/namespace
+  create: false
+
+varReference:
+- path: metadata/annotations

operators/constellation-node-operator/config/crd/patches/cainjection_in_nodeimages.yaml

@@ -0,0 +1,7 @@
+# The following patch adds a directive for certmanager to inject CA into the CRD
+apiVersion: apiextensions.k8s.io/v1
+kind: CustomResourceDefinition
+metadata:
+  annotations:
+    cert-manager.io/inject-ca-from: $(CERTIFICATE_NAMESPACE)/$(CERTIFICATE_NAME)
+  name: nodeimages.update.edgeless.systems

operators/constellation-node-operator/config/crd/patches/webhook_in_nodeimages.yaml

@@ -0,0 +1,16 @@
+# The following patch enables a conversion webhook for the CRD
+apiVersion: apiextensions.k8s.io/v1
+kind: CustomResourceDefinition
+metadata:
+  name: nodeimages.update.edgeless.systems
+spec:
+  conversion:
+    strategy: Webhook
+    webhook:
+      clientConfig:
+        service:
+          namespace: system
+          name: webhook-service
+          path: /convert
+      conversionReviewVersions:
+      - v1

operators/constellation-node-operator/config/rbac/nodeimage_editor_role.yaml

@@ -0,0 +1,24 @@
+# permissions for end users to edit nodeimages.
+apiVersion: rbac.authorization.k8s.io/v1
+kind: ClusterRole
+metadata:
+  name: nodeimage-editor-role
+rules:
+- apiGroups:
+  - update.edgeless.systems
+  resources:
+  - nodeimages
+  verbs:
+  - create
+  - delete
+  - get
+  - list
+  - patch
+  - update
+  - watch
+- apiGroups:
+  - update.edgeless.systems
+  resources:
+  - nodeimages/status
+  verbs:
+  - get

operators/constellation-node-operator/config/rbac/nodeimage_viewer_role.yaml

@@ -0,0 +1,20 @@
+# permissions for end users to view nodeimages.
+apiVersion: rbac.authorization.k8s.io/v1
+kind: ClusterRole
+metadata:
+  name: nodeimage-viewer-role
+rules:
+- apiGroups:
+  - update.edgeless.systems
+  resources:
+  - nodeimages
+  verbs:
+  - get
+  - list
+  - watch
+- apiGroups:
+  - update.edgeless.systems
+  resources:
+  - nodeimages/status
+  verbs:
+  - get

operators/constellation-node-operator/config/samples/kustomization.yaml

@@ -0,0 +1,4 @@
+## Append samples you want in your CSV to this file as resources ##
+resources:
+- update_v1alpha1_nodeimage.yaml
+#+kubebuilder:scaffold:manifestskustomizesamples

operators/constellation-node-operator/config/samples/update_v1alpha1_nodeimage.yaml

@@ -0,0 +1,6 @@
+apiVersion: update.edgeless.systems/v1alpha1
+kind: NodeImage
+metadata:
+  name: nodeimage-sample
+spec:
+  # TODO(user): Add fields here

operators/constellation-node-operator/controllers/nodeimage_controller.go

@@ -0,0 +1,47 @@
+
+package controllers
+
+import (
+	"context"
+
+	"k8s.io/apimachinery/pkg/runtime"
+	ctrl "sigs.k8s.io/controller-runtime"
+	"sigs.k8s.io/controller-runtime/pkg/client"
+	"sigs.k8s.io/controller-runtime/pkg/log"
+
+	updatev1alpha1 "github.com/edgelesssys/constellation/operators/constellation-node-operator/api/v1alpha1"
+)
+
+// NodeImageReconciler reconciles a NodeImage object
+type NodeImageReconciler struct {
+	client.Client
+	Scheme *runtime.Scheme
+}
+
+//+kubebuilder:rbac:groups=update.edgeless.systems,resources=nodeimages,verbs=get;list;watch;create;update;patch;delete
+//+kubebuilder:rbac:groups=update.edgeless.systems,resources=nodeimages/status,verbs=get;update;patch
+//+kubebuilder:rbac:groups=update.edgeless.systems,resources=nodeimages/finalizers,verbs=update
+
+// Reconcile is part of the main kubernetes reconciliation loop which aims to
+// move the current state of the cluster closer to the desired state.
+// TODO(user): Modify the Reconcile function to compare the state specified by
+// the NodeImage object against the actual cluster state, and then
+// perform operations to make the cluster state reflect the state specified by
+// the user.
+//
+// For more details, check Reconcile and its Result here:
+// - https://pkg.go.dev/sigs.k8s.io/controller-runtime@v0.11.2/pkg/reconcile
+func (r *NodeImageReconciler) Reconcile(ctx context.Context, req ctrl.Request) (ctrl.Result, error) {
+	_ = log.FromContext(ctx)
+
+	// TODO(user): your logic here
+
+	return ctrl.Result{}, nil
+}
+
+// SetupWithManager sets up the controller with the Manager.
+func (r *NodeImageReconciler) SetupWithManager(mgr ctrl.Manager) error {
+	return ctrl.NewControllerManagedBy(mgr).
+		For(&updatev1alpha1.NodeImage{}).
+		Complete(r)
+}

operators/constellation-node-operator/controllers/suite_test.go

@@ -0,0 +1,67 @@
+
+package controllers
+
+import (
+	"path/filepath"
+	"testing"
+
+	. "github.com/onsi/ginkgo"
+	. "github.com/onsi/gomega"
+	"k8s.io/client-go/kubernetes/scheme"
+	"k8s.io/client-go/rest"
+	"sigs.k8s.io/controller-runtime/pkg/client"
+	"sigs.k8s.io/controller-runtime/pkg/envtest"
+	"sigs.k8s.io/controller-runtime/pkg/envtest/printer"
+	logf "sigs.k8s.io/controller-runtime/pkg/log"
+	"sigs.k8s.io/controller-runtime/pkg/log/zap"
+
+	updatev1alpha1 "github.com/edgelesssys/constellation/operators/constellation-node-operator/api/v1alpha1"
+	//+kubebuilder:scaffold:imports
+)
+
+// These tests use Ginkgo (BDD-style Go testing framework). Refer to
+// http://onsi.github.io/ginkgo/ to learn more about Ginkgo.
+
+var cfg *rest.Config
+var k8sClient client.Client
+var testEnv *envtest.Environment
+
+func TestAPIs(t *testing.T) {
+	RegisterFailHandler(Fail)
+
+	RunSpecsWithDefaultAndCustomReporters(t,
+		"Controller Suite",
+		[]Reporter{printer.NewlineReporter{}})
+}
+
+var _ = BeforeSuite(func() {
+	logf.SetLogger(zap.New(zap.WriteTo(GinkgoWriter), zap.UseDevMode(true)))
+
+	By("bootstrapping test environment")
+	testEnv = &envtest.Environment{
+		CRDDirectoryPaths:     []string{filepath.Join("..", "config", "crd", "bases")},
+		ErrorIfCRDPathMissing: true,
+	}
+
+	var err error
+	// cfg is defined in this file globally.
+	cfg, err = testEnv.Start()
+	Expect(err).NotTo(HaveOccurred())
+	Expect(cfg).NotTo(BeNil())
+
+	err = updatev1alpha1.AddToScheme(scheme.Scheme)
+	Expect(err).NotTo(HaveOccurred())
+
+	//+kubebuilder:scaffold:scheme
+
+	k8sClient, err = client.New(cfg, client.Options{Scheme: scheme.Scheme})
+	Expect(err).NotTo(HaveOccurred())
+	Expect(k8sClient).NotTo(BeNil())
+
+}, 60)
+
+var _ = AfterSuite(func() {
+	By("tearing down the test environment")
+	err := testEnv.Stop()
+	Expect(err).NotTo(HaveOccurred())
+})

operators/constellation-node-operator/go.mod

@@ -3,6 +3,8 @@ module github.com/edgelesssys/constellation/operators/constellation-node-operato
 go 1.17
 
 require (
+	github.com/onsi/ginkgo v1.16.5
+	github.com/onsi/gomega v1.17.0
 	k8s.io/apimachinery v0.23.5
 	k8s.io/client-go v0.23.5
 	sigs.k8s.io/controller-runtime v0.11.2
@@ -36,6 +38,7 @@ require (
 	github.com/matttproud/golang_protobuf_extensions v1.0.2-0.20181231171920-c182affec369 // indirect
 	github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect
 	github.com/modern-go/reflect2 v1.0.2 // indirect
+	github.com/nxadm/tail v1.4.8 // indirect
 	github.com/pkg/errors v0.9.1 // indirect
 	github.com/prometheus/client_golang v1.11.0 // indirect
 	github.com/prometheus/client_model v0.2.0 // indirect
@@ -56,6 +59,7 @@ require (
 	google.golang.org/appengine v1.6.7 // indirect
 	google.golang.org/protobuf v1.27.1 // indirect
 	gopkg.in/inf.v0 v0.9.1 // indirect
+	gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7 // indirect
 	gopkg.in/yaml.v2 v2.4.0 // indirect
 	gopkg.in/yaml.v3 v3.0.0-20210107192922-496545a6307b // indirect
 	k8s.io/api v0.23.5 // indirect

operators/constellation-node-operator/main.go

@@ -15,6 +15,9 @@ import (
 	ctrl "sigs.k8s.io/controller-runtime"
 	"sigs.k8s.io/controller-runtime/pkg/healthz"
 	"sigs.k8s.io/controller-runtime/pkg/log/zap"
+
+	updatev1alpha1 "github.com/edgelesssys/constellation/operators/constellation-node-operator/api/v1alpha1"
+	"github.com/edgelesssys/constellation/operators/constellation-node-operator/controllers"
 	//+kubebuilder:scaffold:imports
 )
 
@@ -26,6 +29,7 @@ var (
 func init() {
 	utilruntime.Must(clientgoscheme.AddToScheme(scheme))
 
+	utilruntime.Must(updatev1alpha1.AddToScheme(scheme))
 	//+kubebuilder:scaffold:scheme
 }
 
@@ -59,6 +63,13 @@ func main() {
 		os.Exit(1)
 	}
 
+	if err = (&controllers.NodeImageReconciler{
+		Client: mgr.GetClient(),
+		Scheme: mgr.GetScheme(),
+	}).SetupWithManager(mgr); err != nil {
+		setupLog.Error(err, "unable to create controller", "controller", "NodeImage")
+		os.Exit(1)
+	}
 	//+kubebuilder:scaffold:builder
 
 	if err := mgr.AddHealthzCheck("healthz", healthz.Ping); err != nil {