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client_test.go
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client_test.go
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/*
Copyright 2018 The Kubernetes Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package client_test
import (
"context"
"fmt"
"sync/atomic"
"time"
. "github.com/onsi/ginkgo"
. "github.com/onsi/gomega"
appsv1 "k8s.io/api/apps/v1"
corev1 "k8s.io/api/core/v1"
apierrors "k8s.io/apimachinery/pkg/api/errors"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/apis/meta/v1/unstructured"
"k8s.io/apimachinery/pkg/runtime"
"k8s.io/apimachinery/pkg/runtime/schema"
"k8s.io/apimachinery/pkg/types"
kscheme "k8s.io/client-go/kubernetes/scheme"
"sigs.k8s.io/controller-runtime/pkg/client"
)
const serverSideTimeoutSeconds = 10
func deleteDeployment(ctx context.Context, dep *appsv1.Deployment, ns string) {
_, err := clientset.AppsV1().Deployments(ns).Get(ctx, dep.Name, metav1.GetOptions{})
if err == nil {
err = clientset.AppsV1().Deployments(ns).Delete(ctx, dep.Name, metav1.DeleteOptions{})
Expect(err).NotTo(HaveOccurred())
}
}
func deleteNamespace(ctx context.Context, ns *corev1.Namespace) {
ns, err := clientset.CoreV1().Namespaces().Get(ctx, ns.Name, metav1.GetOptions{})
if err != nil {
return
}
err = clientset.CoreV1().Namespaces().Delete(ctx, ns.Name, metav1.DeleteOptions{})
Expect(err).NotTo(HaveOccurred())
// finalize if necessary
pos := -1
finalizers := ns.Spec.Finalizers
for i, fin := range finalizers {
if fin == "kubernetes" {
pos = i
break
}
}
if pos == -1 {
// no need to finalize
return
}
// re-get in order to finalize
ns, err = clientset.CoreV1().Namespaces().Get(ctx, ns.Name, metav1.GetOptions{})
if err != nil {
return
}
ns.Spec.Finalizers = append(finalizers[:pos], finalizers[pos+1:]...)
_, err = clientset.CoreV1().Namespaces().Finalize(ctx, ns, metav1.UpdateOptions{})
Expect(err).NotTo(HaveOccurred())
WAIT_LOOP:
for i := 0; i < 10; i++ {
ns, err = clientset.CoreV1().Namespaces().Get(ctx, ns.Name, metav1.GetOptions{})
if apierrors.IsNotFound(err) {
// success!
return
}
select {
case <-ctx.Done():
break WAIT_LOOP
// failed to delete in time, see failure below
case <-time.After(100 * time.Millisecond):
// do nothing, try again
}
}
Fail(fmt.Sprintf("timed out waiting for namespace %q to be deleted", ns.Name))
}
// metaOnlyFromObj returns PartialObjectMetadata from a concrete Go struct that
// returns a concrete *metav1.ObjectMeta from GetObjectMeta (yes, that plays a
// bit fast and loose, but the only other options are serializing and then
// deserializing, or manually calling all the accessor funcs, which are both a bit annoying).
func metaOnlyFromObj(obj interface {
runtime.Object
metav1.ObjectMetaAccessor
}, scheme *runtime.Scheme) *metav1.PartialObjectMetadata {
metaObj := metav1.PartialObjectMetadata{}
obj.GetObjectMeta().(*metav1.ObjectMeta).DeepCopyInto(&metaObj.ObjectMeta)
kinds, _, err := scheme.ObjectKinds(obj)
if err != nil {
panic(err)
}
metaObj.SetGroupVersionKind(kinds[0])
return &metaObj
}
var _ = Describe("Client", func() {
var scheme *runtime.Scheme
var depGvk schema.GroupVersionKind
var dep *appsv1.Deployment
var pod *corev1.Pod
var node *corev1.Node
var count uint64 = 0
var replicaCount int32 = 2
var ns = "default"
ctx := context.TODO()
BeforeEach(func(done Done) {
atomic.AddUint64(&count, 1)
dep = &appsv1.Deployment{
ObjectMeta: metav1.ObjectMeta{Name: fmt.Sprintf("deployment-name-%v", count), Namespace: ns, Labels: map[string]string{"app": fmt.Sprintf("bar-%v", count)}},
Spec: appsv1.DeploymentSpec{
Replicas: &replicaCount,
Selector: &metav1.LabelSelector{
MatchLabels: map[string]string{"foo": "bar"},
},
Template: corev1.PodTemplateSpec{
ObjectMeta: metav1.ObjectMeta{Labels: map[string]string{"foo": "bar"}},
Spec: corev1.PodSpec{Containers: []corev1.Container{{Name: "nginx", Image: "nginx"}}},
},
},
}
depGvk = schema.GroupVersionKind{
Group: "apps",
Kind: "Deployment",
Version: "v1",
}
// Pod is invalid without a container field in the PodSpec
pod = &corev1.Pod{
ObjectMeta: metav1.ObjectMeta{Name: fmt.Sprintf("pod-%v", count), Namespace: ns},
Spec: corev1.PodSpec{},
}
node = &corev1.Node{
ObjectMeta: metav1.ObjectMeta{Name: fmt.Sprintf("node-name-%v", count)},
Spec: corev1.NodeSpec{},
}
scheme = kscheme.Scheme
close(done)
}, serverSideTimeoutSeconds)
var delOptions *metav1.DeleteOptions
AfterEach(func(done Done) {
// Cleanup
var zero int64 = 0
policy := metav1.DeletePropagationForeground
delOptions = &metav1.DeleteOptions{
GracePeriodSeconds: &zero,
PropagationPolicy: &policy,
}
deleteDeployment(ctx, dep, ns)
_, err := clientset.CoreV1().Nodes().Get(ctx, node.Name, metav1.GetOptions{})
if err == nil {
err = clientset.CoreV1().Nodes().Delete(ctx, node.Name, *delOptions)
Expect(err).NotTo(HaveOccurred())
}
close(done)
}, serverSideTimeoutSeconds)
// TODO(seans): Cast "cl" as "client" struct from "Client" interface. Then validate the
// instance values for the "client" struct.
Describe("New", func() {
It("should return a new Client", func(done Done) {
cl, err := client.New(cfg, client.Options{})
Expect(err).NotTo(HaveOccurred())
Expect(cl).NotTo(BeNil())
close(done)
})
It("should fail if the config is nil", func(done Done) {
cl, err := client.New(nil, client.Options{})
Expect(err).To(HaveOccurred())
Expect(cl).To(BeNil())
close(done)
})
// TODO(seans): cast as client struct and inspect Scheme
It("should use the provided Scheme if provided", func(done Done) {
cl, err := client.New(cfg, client.Options{Scheme: scheme})
Expect(err).NotTo(HaveOccurred())
Expect(cl).NotTo(BeNil())
close(done)
})
// TODO(seans): cast as client struct and inspect Scheme
It("should default the Scheme if not provided", func(done Done) {
cl, err := client.New(cfg, client.Options{})
Expect(err).NotTo(HaveOccurred())
Expect(cl).NotTo(BeNil())
close(done)
})
PIt("should use the provided Mapper if provided", func() {
})
// TODO(seans): cast as client struct and inspect Mapper
It("should create a Mapper if not provided", func(done Done) {
cl, err := client.New(cfg, client.Options{})
Expect(err).NotTo(HaveOccurred())
Expect(cl).NotTo(BeNil())
close(done)
})
})
Describe("Create", func() {
Context("with structured objects", func() {
It("should create a new object from a go struct", func(done Done) {
cl, err := client.New(cfg, client.Options{})
Expect(err).NotTo(HaveOccurred())
Expect(cl).NotTo(BeNil())
By("creating the object")
err = cl.Create(context.TODO(), dep)
Expect(err).NotTo(HaveOccurred())
actual, err := clientset.AppsV1().Deployments(ns).Get(ctx, dep.Name, metav1.GetOptions{})
Expect(err).NotTo(HaveOccurred())
Expect(actual).NotTo(BeNil())
By("writing the result back to the go struct")
Expect(dep).To(Equal(actual))
close(done)
})
It("should create a new object non-namespace object from a go struct", func(done Done) {
cl, err := client.New(cfg, client.Options{})
Expect(err).NotTo(HaveOccurred())
Expect(cl).NotTo(BeNil())
By("creating the object")
err = cl.Create(context.TODO(), node)
Expect(err).NotTo(HaveOccurred())
actual, err := clientset.CoreV1().Nodes().Get(ctx, node.Name, metav1.GetOptions{})
Expect(err).NotTo(HaveOccurred())
Expect(actual).NotTo(BeNil())
By("writing the result back to the go struct")
Expect(node).To(Equal(actual))
close(done)
})
It("should fail if the object already exists", func(done Done) {
cl, err := client.New(cfg, client.Options{})
Expect(err).NotTo(HaveOccurred())
Expect(cl).NotTo(BeNil())
old := dep.DeepCopy()
By("creating the object")
err = cl.Create(context.TODO(), dep)
Expect(err).NotTo(HaveOccurred())
actual, err := clientset.AppsV1().Deployments(ns).Get(ctx, dep.Name, metav1.GetOptions{})
Expect(err).NotTo(HaveOccurred())
Expect(actual).NotTo(BeNil())
By("creating the object a second time")
err = cl.Create(context.TODO(), old)
Expect(err).To(HaveOccurred())
Expect(apierrors.IsAlreadyExists(err)).To(BeTrue())
close(done)
})
It("should fail if the object does not pass server-side validation", func(done Done) {
cl, err := client.New(cfg, client.Options{})
Expect(err).NotTo(HaveOccurred())
Expect(cl).NotTo(BeNil())
By("creating the pod, since required field Containers is empty")
err = cl.Create(context.TODO(), pod)
Expect(err).To(HaveOccurred())
// TODO(seans): Add test to validate the returned error. Problems currently with
// different returned error locally versus travis.
close(done)
}, serverSideTimeoutSeconds)
It("should fail if the object cannot be mapped to a GVK", func() {
By("creating client with empty Scheme")
emptyScheme := runtime.NewScheme()
cl, err := client.New(cfg, client.Options{Scheme: emptyScheme})
Expect(err).NotTo(HaveOccurred())
Expect(cl).NotTo(BeNil())
By("creating the object fails")
err = cl.Create(context.TODO(), dep)
Expect(err).To(HaveOccurred())
Expect(err.Error()).To(ContainSubstring("no kind is registered for the type"))
})
PIt("should fail if the GVK cannot be mapped to a Resource", func() {
// TODO(seans3): implement these
// Example: ListOptions
})
Context("with the DryRun option", func() {
It("should not create a new object", func(done Done) {
cl, err := client.New(cfg, client.Options{})
Expect(err).NotTo(HaveOccurred())
Expect(cl).NotTo(BeNil())
By("creating the object (with DryRun)")
err = cl.Create(context.TODO(), dep, client.DryRunAll)
Expect(err).NotTo(HaveOccurred())
actual, err := clientset.AppsV1().Deployments(ns).Get(ctx, dep.Name, metav1.GetOptions{})
Expect(err).To(HaveOccurred())
Expect(apierrors.IsNotFound(err)).To(BeTrue())
Expect(actual).To(Equal(&appsv1.Deployment{}))
close(done)
})
})
})
Context("with unstructured objects", func() {
It("should create a new object from a go struct", func(done Done) {
cl, err := client.New(cfg, client.Options{})
Expect(err).NotTo(HaveOccurred())
Expect(cl).NotTo(BeNil())
By("encoding the deployment as unstructured")
u := &unstructured.Unstructured{}
Expect(scheme.Convert(dep, u, nil)).To(Succeed())
u.SetGroupVersionKind(schema.GroupVersionKind{
Group: "apps",
Kind: "Deployment",
Version: "v1",
})
By("creating the object")
err = cl.Create(context.TODO(), u)
Expect(err).NotTo(HaveOccurred())
actual, err := clientset.AppsV1().Deployments(ns).Get(ctx, dep.Name, metav1.GetOptions{})
Expect(err).NotTo(HaveOccurred())
Expect(actual).NotTo(BeNil())
close(done)
})
It("should create a new non-namespace object ", func(done Done) {
cl, err := client.New(cfg, client.Options{})
Expect(err).NotTo(HaveOccurred())
Expect(cl).NotTo(BeNil())
By("encoding the deployment as unstructured")
u := &unstructured.Unstructured{}
Expect(scheme.Convert(node, u, nil)).To(Succeed())
u.SetGroupVersionKind(schema.GroupVersionKind{
Group: "",
Kind: "Node",
Version: "v1",
})
By("creating the object")
err = cl.Create(context.TODO(), node)
Expect(err).NotTo(HaveOccurred())
actual, err := clientset.CoreV1().Nodes().Get(ctx, node.Name, metav1.GetOptions{})
Expect(err).NotTo(HaveOccurred())
Expect(actual).NotTo(BeNil())
au := &unstructured.Unstructured{}
Expect(scheme.Convert(actual, au, nil)).To(Succeed())
Expect(scheme.Convert(node, u, nil)).To(Succeed())
By("writing the result back to the go struct")
Expect(u).To(Equal(au))
close(done)
})
It("should fail if the object already exists", func(done Done) {
cl, err := client.New(cfg, client.Options{})
Expect(err).NotTo(HaveOccurred())
Expect(cl).NotTo(BeNil())
old := dep.DeepCopy()
By("creating the object")
err = cl.Create(context.TODO(), dep)
Expect(err).NotTo(HaveOccurred())
actual, err := clientset.AppsV1().Deployments(ns).Get(ctx, dep.Name, metav1.GetOptions{})
Expect(err).NotTo(HaveOccurred())
Expect(actual).NotTo(BeNil())
By("encoding the deployment as unstructured")
u := &unstructured.Unstructured{}
Expect(scheme.Convert(old, u, nil)).To(Succeed())
u.SetGroupVersionKind(schema.GroupVersionKind{
Group: "apps",
Kind: "Deployment",
Version: "v1",
})
By("creating the object a second time")
err = cl.Create(context.TODO(), u)
Expect(err).To(HaveOccurred())
Expect(apierrors.IsAlreadyExists(err)).To(BeTrue())
close(done)
})
It("should fail if the object does not pass server-side validation", func(done Done) {
cl, err := client.New(cfg, client.Options{})
Expect(err).NotTo(HaveOccurred())
Expect(cl).NotTo(BeNil())
By("creating the pod, since required field Containers is empty")
u := &unstructured.Unstructured{}
Expect(scheme.Convert(pod, u, nil)).To(Succeed())
u.SetGroupVersionKind(schema.GroupVersionKind{
Group: "",
Version: "v1",
Kind: "Pod",
})
err = cl.Create(context.TODO(), u)
Expect(err).To(HaveOccurred())
// TODO(seans): Add test to validate the returned error. Problems currently with
// different returned error locally versus travis.
close(done)
}, serverSideTimeoutSeconds)
})
Context("with metadata objects", func() {
It("should fail with an error", func() {
cl, err := client.New(cfg, client.Options{})
Expect(err).NotTo(HaveOccurred())
obj := metaOnlyFromObj(dep, scheme)
Expect(cl.Create(context.TODO(), obj)).NotTo(Succeed())
})
})
Context("with the DryRun option", func() {
It("should not create a new object from a go struct", func(done Done) {
cl, err := client.New(cfg, client.Options{})
Expect(err).NotTo(HaveOccurred())
Expect(cl).NotTo(BeNil())
By("encoding the deployment as unstructured")
u := &unstructured.Unstructured{}
Expect(scheme.Convert(dep, u, nil)).To(Succeed())
u.SetGroupVersionKind(schema.GroupVersionKind{
Group: "apps",
Kind: "Deployment",
Version: "v1",
})
By("creating the object")
err = cl.Create(context.TODO(), u, client.DryRunAll)
Expect(err).NotTo(HaveOccurred())
actual, err := clientset.AppsV1().Deployments(ns).Get(ctx, dep.Name, metav1.GetOptions{})
Expect(err).To(HaveOccurred())
Expect(apierrors.IsNotFound(err)).To(BeTrue())
Expect(actual).To(Equal(&appsv1.Deployment{}))
close(done)
})
})
})
Describe("Update", func() {
Context("with structured objects", func() {
It("should update an existing object from a go struct", func(done Done) {
cl, err := client.New(cfg, client.Options{})
Expect(err).NotTo(HaveOccurred())
Expect(cl).NotTo(BeNil())
By("initially creating a Deployment")
dep, err := clientset.AppsV1().Deployments(ns).Create(ctx, dep, metav1.CreateOptions{})
Expect(err).NotTo(HaveOccurred())
By("updating the Deployment")
dep.Annotations = map[string]string{"foo": "bar"}
err = cl.Update(context.TODO(), dep)
Expect(err).NotTo(HaveOccurred())
By("validating updated Deployment has new annotation")
actual, err := clientset.AppsV1().Deployments(ns).Get(ctx, dep.Name, metav1.GetOptions{})
Expect(err).NotTo(HaveOccurred())
Expect(actual).NotTo(BeNil())
Expect(actual.Annotations["foo"]).To(Equal("bar"))
close(done)
})
It("should update and preserve type information", func(done Done) {
cl, err := client.New(cfg, client.Options{})
Expect(err).NotTo(HaveOccurred())
Expect(cl).NotTo(BeNil())
By("initially creating a Deployment")
dep, err := clientset.AppsV1().Deployments(ns).Create(ctx, dep, metav1.CreateOptions{})
Expect(err).NotTo(HaveOccurred())
By("updating the Deployment")
dep.SetGroupVersionKind(depGvk)
err = cl.Update(context.TODO(), dep)
Expect(err).NotTo(HaveOccurred())
By("validating updated Deployment has type information")
Expect(dep.GroupVersionKind()).To(Equal(depGvk))
close(done)
})
It("should update an existing object non-namespace object from a go struct", func(done Done) {
cl, err := client.New(cfg, client.Options{})
Expect(err).NotTo(HaveOccurred())
Expect(cl).NotTo(BeNil())
node, err := clientset.CoreV1().Nodes().Create(ctx, node, metav1.CreateOptions{})
Expect(err).NotTo(HaveOccurred())
By("updating the object")
node.Annotations = map[string]string{"foo": "bar"}
err = cl.Update(context.TODO(), node)
Expect(err).NotTo(HaveOccurred())
By("validate updated Node had new annotation")
actual, err := clientset.CoreV1().Nodes().Get(ctx, node.Name, metav1.GetOptions{})
Expect(err).NotTo(HaveOccurred())
Expect(actual).NotTo(BeNil())
Expect(actual.Annotations["foo"]).To(Equal("bar"))
close(done)
})
It("should fail if the object does not exist", func(done Done) {
cl, err := client.New(cfg, client.Options{})
Expect(err).NotTo(HaveOccurred())
Expect(cl).NotTo(BeNil())
By("updating non-existent object")
err = cl.Update(context.TODO(), dep)
Expect(err).To(HaveOccurred())
close(done)
})
PIt("should fail if the object does not pass server-side validation", func() {
})
PIt("should fail if the object doesn't have meta", func() {
})
It("should fail if the object cannot be mapped to a GVK", func(done Done) {
By("creating client with empty Scheme")
emptyScheme := runtime.NewScheme()
cl, err := client.New(cfg, client.Options{Scheme: emptyScheme})
Expect(err).NotTo(HaveOccurred())
Expect(cl).NotTo(BeNil())
By("initially creating a Deployment")
dep, err := clientset.AppsV1().Deployments(ns).Create(ctx, dep, metav1.CreateOptions{})
Expect(err).NotTo(HaveOccurred())
By("updating the Deployment")
dep.Annotations = map[string]string{"foo": "bar"}
err = cl.Update(context.TODO(), dep)
Expect(err).To(HaveOccurred())
Expect(err.Error()).To(ContainSubstring("no kind is registered for the type"))
close(done)
})
PIt("should fail if the GVK cannot be mapped to a Resource", func() {
})
})
Context("with unstructured objects", func() {
It("should update an existing object from a go struct", func(done Done) {
cl, err := client.New(cfg, client.Options{})
Expect(err).NotTo(HaveOccurred())
Expect(cl).NotTo(BeNil())
By("initially creating a Deployment")
dep, err := clientset.AppsV1().Deployments(ns).Create(ctx, dep, metav1.CreateOptions{})
Expect(err).NotTo(HaveOccurred())
By("updating the Deployment")
u := &unstructured.Unstructured{}
Expect(scheme.Convert(dep, u, nil)).To(Succeed())
u.SetGroupVersionKind(schema.GroupVersionKind{
Group: "apps",
Kind: "Deployment",
Version: "v1",
})
u.SetAnnotations(map[string]string{"foo": "bar"})
err = cl.Update(context.TODO(), u)
Expect(err).NotTo(HaveOccurred())
By("validating updated Deployment has new annotation")
actual, err := clientset.AppsV1().Deployments(ns).Get(ctx, dep.Name, metav1.GetOptions{})
Expect(err).NotTo(HaveOccurred())
Expect(actual).NotTo(BeNil())
Expect(actual.Annotations["foo"]).To(Equal("bar"))
close(done)
})
It("should update and preserve type information", func(done Done) {
cl, err := client.New(cfg, client.Options{})
Expect(err).NotTo(HaveOccurred())
Expect(cl).NotTo(BeNil())
By("initially creating a Deployment")
dep, err := clientset.AppsV1().Deployments(ns).Create(ctx, dep, metav1.CreateOptions{})
Expect(err).NotTo(HaveOccurred())
By("updating the Deployment")
u := &unstructured.Unstructured{}
Expect(scheme.Convert(dep, u, nil)).To(Succeed())
u.SetGroupVersionKind(depGvk)
u.SetAnnotations(map[string]string{"foo": "bar"})
err = cl.Update(context.TODO(), u)
Expect(err).NotTo(HaveOccurred())
By("validating updated Deployment has type information")
Expect(u.GroupVersionKind()).To(Equal(depGvk))
close(done)
})
It("should update an existing object non-namespace object from a go struct", func(done Done) {
cl, err := client.New(cfg, client.Options{})
Expect(err).NotTo(HaveOccurred())
Expect(cl).NotTo(BeNil())
node, err := clientset.CoreV1().Nodes().Create(ctx, node, metav1.CreateOptions{})
Expect(err).NotTo(HaveOccurred())
By("updating the object")
u := &unstructured.Unstructured{}
Expect(scheme.Convert(node, u, nil)).To(Succeed())
u.SetGroupVersionKind(schema.GroupVersionKind{
Group: "",
Kind: "Node",
Version: "v1",
})
u.SetAnnotations(map[string]string{"foo": "bar"})
err = cl.Update(context.TODO(), u)
Expect(err).NotTo(HaveOccurred())
By("validate updated Node had new annotation")
actual, err := clientset.CoreV1().Nodes().Get(ctx, node.Name, metav1.GetOptions{})
Expect(err).NotTo(HaveOccurred())
Expect(actual).NotTo(BeNil())
Expect(actual.Annotations["foo"]).To(Equal("bar"))
close(done)
})
It("should fail if the object does not exist", func(done Done) {
cl, err := client.New(cfg, client.Options{})
Expect(err).NotTo(HaveOccurred())
Expect(cl).NotTo(BeNil())
By("updating non-existent object")
u := &unstructured.Unstructured{}
Expect(scheme.Convert(dep, u, nil)).To(Succeed())
u.SetGroupVersionKind(depGvk)
err = cl.Update(context.TODO(), dep)
Expect(err).To(HaveOccurred())
close(done)
})
})
Context("with metadata objects", func() {
It("should fail with an error", func() {
cl, err := client.New(cfg, client.Options{})
Expect(err).NotTo(HaveOccurred())
obj := metaOnlyFromObj(dep, scheme)
Expect(cl.Update(context.TODO(), obj)).NotTo(Succeed())
})
})
})
Describe("StatusClient", func() {
Context("with structured objects", func() {
It("should update status of an existing object", func(done Done) {
cl, err := client.New(cfg, client.Options{})
Expect(err).NotTo(HaveOccurred())
Expect(cl).NotTo(BeNil())
By("initially creating a Deployment")
dep, err := clientset.AppsV1().Deployments(ns).Create(ctx, dep, metav1.CreateOptions{})
Expect(err).NotTo(HaveOccurred())
By("updating the status of Deployment")
dep.Status.Replicas = 1
err = cl.Status().Update(context.TODO(), dep)
Expect(err).NotTo(HaveOccurred())
By("validating updated Deployment has new status")
actual, err := clientset.AppsV1().Deployments(ns).Get(ctx, dep.Name, metav1.GetOptions{})
Expect(err).NotTo(HaveOccurred())
Expect(actual).NotTo(BeNil())
Expect(actual.Status.Replicas).To(BeEquivalentTo(1))
close(done)
})
It("should update status and preserve type information", func(done Done) {
cl, err := client.New(cfg, client.Options{})
Expect(err).NotTo(HaveOccurred())
Expect(cl).NotTo(BeNil())
By("initially creating a Deployment")
dep, err := clientset.AppsV1().Deployments(ns).Create(ctx, dep, metav1.CreateOptions{})
Expect(err).NotTo(HaveOccurred())
By("updating the status of Deployment")
dep.SetGroupVersionKind(depGvk)
dep.Status.Replicas = 1
err = cl.Status().Update(context.TODO(), dep)
Expect(err).NotTo(HaveOccurred())
By("validating updated Deployment has type information")
Expect(dep.GroupVersionKind()).To(Equal(depGvk))
close(done)
})
It("should patch status and preserve type information", func(done Done) {
cl, err := client.New(cfg, client.Options{})
Expect(err).NotTo(HaveOccurred())
Expect(cl).NotTo(BeNil())
By("initially creating a Deployment")
dep, err := clientset.AppsV1().Deployments(ns).Create(ctx, dep, metav1.CreateOptions{})
Expect(err).NotTo(HaveOccurred())
By("patching the status of Deployment")
dep.SetGroupVersionKind(depGvk)
depPatch := client.MergeFrom(dep.DeepCopy())
dep.Status.Replicas = 1
err = cl.Status().Patch(context.TODO(), dep, depPatch)
Expect(err).NotTo(HaveOccurred())
By("validating updated Deployment has type information")
Expect(dep.GroupVersionKind()).To(Equal(depGvk))
close(done)
})
It("should not update spec of an existing object", func(done Done) {
cl, err := client.New(cfg, client.Options{})
Expect(err).NotTo(HaveOccurred())
Expect(cl).NotTo(BeNil())
By("initially creating a Deployment")
dep, err := clientset.AppsV1().Deployments(ns).Create(ctx, dep, metav1.CreateOptions{})
Expect(err).NotTo(HaveOccurred())
By("updating the spec and status of Deployment")
var rc int32 = 1
dep.Status.Replicas = 1
dep.Spec.Replicas = &rc
err = cl.Status().Update(context.TODO(), dep)
Expect(err).NotTo(HaveOccurred())
By("validating updated Deployment has new status and unchanged spec")
actual, err := clientset.AppsV1().Deployments(ns).Get(ctx, dep.Name, metav1.GetOptions{})
Expect(err).NotTo(HaveOccurred())
Expect(actual).NotTo(BeNil())
Expect(actual.Status.Replicas).To(BeEquivalentTo(1))
Expect(*actual.Spec.Replicas).To(BeEquivalentTo(replicaCount))
close(done)
})
It("should update an existing object non-namespace object", func(done Done) {
cl, err := client.New(cfg, client.Options{})
Expect(err).NotTo(HaveOccurred())
Expect(cl).NotTo(BeNil())
node, err := clientset.CoreV1().Nodes().Create(ctx, node, metav1.CreateOptions{})
Expect(err).NotTo(HaveOccurred())
By("updating status of the object")
node.Status.Phase = corev1.NodeRunning
err = cl.Status().Update(context.TODO(), node)
Expect(err).NotTo(HaveOccurred())
By("validate updated Node had new annotation")
actual, err := clientset.CoreV1().Nodes().Get(ctx, node.Name, metav1.GetOptions{})
Expect(err).NotTo(HaveOccurred())
Expect(actual).NotTo(BeNil())
Expect(actual.Status.Phase).To(Equal(corev1.NodeRunning))
close(done)
})
It("should fail if the object does not exist", func(done Done) {
cl, err := client.New(cfg, client.Options{})
Expect(err).NotTo(HaveOccurred())
Expect(cl).NotTo(BeNil())
By("updating status of a non-existent object")
err = cl.Status().Update(context.TODO(), dep)
Expect(err).To(HaveOccurred())
close(done)
})
It("should fail if the object cannot be mapped to a GVK", func(done Done) {
By("creating client with empty Scheme")
emptyScheme := runtime.NewScheme()
cl, err := client.New(cfg, client.Options{Scheme: emptyScheme})
Expect(err).NotTo(HaveOccurred())
Expect(cl).NotTo(BeNil())
By("initially creating a Deployment")
dep, err := clientset.AppsV1().Deployments(ns).Create(ctx, dep, metav1.CreateOptions{})
Expect(err).NotTo(HaveOccurred())
By("updating status of the Deployment")
dep.Status.Replicas = 1
err = cl.Status().Update(context.TODO(), dep)
Expect(err).To(HaveOccurred())
Expect(err.Error()).To(ContainSubstring("no kind is registered for the type"))
close(done)
})
PIt("should fail if the GVK cannot be mapped to a Resource", func() {
})
PIt("should fail if an API does not implement Status subresource", func() {
})
})
Context("with unstructured objects", func() {
It("should update status of an existing object", func(done Done) {
cl, err := client.New(cfg, client.Options{})
Expect(err).NotTo(HaveOccurred())
Expect(cl).NotTo(BeNil())
By("initially creating a Deployment")
dep, err := clientset.AppsV1().Deployments(ns).Create(ctx, dep, metav1.CreateOptions{})
Expect(err).NotTo(HaveOccurred())
By("updating the status of Deployment")
u := &unstructured.Unstructured{}
dep.Status.Replicas = 1
Expect(scheme.Convert(dep, u, nil)).To(Succeed())
err = cl.Status().Update(context.TODO(), u)
Expect(err).NotTo(HaveOccurred())
By("validating updated Deployment has new status")
actual, err := clientset.AppsV1().Deployments(ns).Get(ctx, dep.Name, metav1.GetOptions{})
Expect(err).NotTo(HaveOccurred())
Expect(actual).NotTo(BeNil())
Expect(actual.Status.Replicas).To(BeEquivalentTo(1))
close(done)
})
It("should update status and preserve type information", func(done Done) {
cl, err := client.New(cfg, client.Options{})
Expect(err).NotTo(HaveOccurred())
Expect(cl).NotTo(BeNil())
By("initially creating a Deployment")
dep, err := clientset.AppsV1().Deployments(ns).Create(ctx, dep, metav1.CreateOptions{})
Expect(err).NotTo(HaveOccurred())
By("updating the status of Deployment")
u := &unstructured.Unstructured{}
dep.Status.Replicas = 1
Expect(scheme.Convert(dep, u, nil)).To(Succeed())
err = cl.Status().Update(context.TODO(), u)
Expect(err).NotTo(HaveOccurred())
By("validating updated Deployment has type information")
Expect(u.GroupVersionKind()).To(Equal(depGvk))
close(done)
})
It("should patch status and preserve type information", func(done Done) {
cl, err := client.New(cfg, client.Options{})
Expect(err).NotTo(HaveOccurred())
Expect(cl).NotTo(BeNil())
By("initially creating a Deployment")
dep, err := clientset.AppsV1().Deployments(ns).Create(ctx, dep, metav1.CreateOptions{})
Expect(err).NotTo(HaveOccurred())
By("patching the status of Deployment")
u := &unstructured.Unstructured{}
depPatch := client.MergeFrom(dep.DeepCopy())
dep.Status.Replicas = 1
Expect(scheme.Convert(dep, u, nil)).To(Succeed())
err = cl.Status().Patch(context.TODO(), u, depPatch)
Expect(err).NotTo(HaveOccurred())
By("validating updated Deployment has type information")
Expect(u.GroupVersionKind()).To(Equal(depGvk))
By("validating patched Deployment has new status")
actual, err := clientset.AppsV1().Deployments(ns).Get(ctx, dep.Name, metav1.GetOptions{})
Expect(err).NotTo(HaveOccurred())
Expect(actual).NotTo(BeNil())
Expect(actual.Status.Replicas).To(BeEquivalentTo(1))
close(done)
})
It("should not update spec of an existing object", func(done Done) {
cl, err := client.New(cfg, client.Options{})
Expect(err).NotTo(HaveOccurred())
Expect(cl).NotTo(BeNil())
By("initially creating a Deployment")
dep, err := clientset.AppsV1().Deployments(ns).Create(ctx, dep, metav1.CreateOptions{})
Expect(err).NotTo(HaveOccurred())
By("updating the spec and status of Deployment")
u := &unstructured.Unstructured{}
var rc int32 = 1
dep.Status.Replicas = 1
dep.Spec.Replicas = &rc
Expect(scheme.Convert(dep, u, nil)).To(Succeed())
err = cl.Status().Update(context.TODO(), u)
Expect(err).NotTo(HaveOccurred())
By("validating updated Deployment has new status and unchanged spec")
actual, err := clientset.AppsV1().Deployments(ns).Get(ctx, dep.Name, metav1.GetOptions{})
Expect(err).NotTo(HaveOccurred())
Expect(actual).NotTo(BeNil())
Expect(actual.Status.Replicas).To(BeEquivalentTo(1))
Expect(*actual.Spec.Replicas).To(BeEquivalentTo(replicaCount))
close(done)
})
It("should update an existing object non-namespace object", func(done Done) {
cl, err := client.New(cfg, client.Options{})
Expect(err).NotTo(HaveOccurred())
Expect(cl).NotTo(BeNil())
node, err := clientset.CoreV1().Nodes().Create(ctx, node, metav1.CreateOptions{})
Expect(err).NotTo(HaveOccurred())
By("updating status of the object")
u := &unstructured.Unstructured{}
node.Status.Phase = corev1.NodeRunning
Expect(scheme.Convert(node, u, nil)).To(Succeed())
err = cl.Status().Update(context.TODO(), u)
Expect(err).NotTo(HaveOccurred())
By("validate updated Node had new annotation")
actual, err := clientset.CoreV1().Nodes().Get(ctx, node.Name, metav1.GetOptions{})
Expect(err).NotTo(HaveOccurred())
Expect(actual).NotTo(BeNil())
Expect(actual.Status.Phase).To(Equal(corev1.NodeRunning))