857458cfa5
- update all the import statements - run hack/pin-dependency.sh to change pinned dependency versions - run hack/update-vendor.sh to update go.mod files and the vendor directory - update the method signatures for custom reporters Signed-off-by: Dave Chen <dave.chen@arm.com>
99 lines
3.5 KiB
Go
99 lines
3.5 KiB
Go
/*
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Copyright 2019 The Kubernetes Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package apimachinery
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import (
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"context"
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"fmt"
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g "github.com/onsi/ginkgo/v2"
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o "github.com/onsi/gomega"
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v1 "k8s.io/api/core/v1"
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apierrors "k8s.io/apimachinery/pkg/api/errors"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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"k8s.io/apimachinery/pkg/fields"
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"k8s.io/apimachinery/pkg/watch"
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"k8s.io/client-go/kubernetes"
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admissionapi "k8s.io/pod-security-admission/api"
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"k8s.io/kubernetes/test/e2e/framework"
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)
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var _ = SIGDescribe("client-go should negotiate", func() {
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f := framework.NewDefaultFramework("protocol")
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f.NamespacePodSecurityEnforceLevel = admissionapi.LevelPrivileged
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for _, s := range []string{
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"application/json",
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"application/vnd.kubernetes.protobuf",
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"application/vnd.kubernetes.protobuf,application/json",
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"application/json,application/vnd.kubernetes.protobuf",
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} {
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accept := s
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g.It(fmt.Sprintf("watch and report errors with accept %q", accept), func() {
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g.By("creating an object for which we will watch")
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ns := f.Namespace.Name
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client := f.ClientSet.CoreV1().ConfigMaps(ns)
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configMapName := "e2e-client-go-test-negotiation"
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testConfigMap := &v1.ConfigMap{ObjectMeta: metav1.ObjectMeta{Name: configMapName}}
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before, err := client.List(context.TODO(), metav1.ListOptions{})
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framework.ExpectNoError(err)
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_, err = client.Create(context.TODO(), testConfigMap, metav1.CreateOptions{})
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framework.ExpectNoError(err)
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opts := metav1.ListOptions{
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ResourceVersion: before.ResourceVersion,
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FieldSelector: fields.SelectorFromSet(fields.Set{"metadata.name": configMapName}).String(),
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}
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g.By("watching for changes on the object")
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cfg, err := framework.LoadConfig()
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framework.ExpectNoError(err)
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cfg.AcceptContentTypes = accept
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c := kubernetes.NewForConfigOrDie(cfg)
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w, err := c.CoreV1().ConfigMaps(ns).Watch(context.TODO(), opts)
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framework.ExpectNoError(err)
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defer w.Stop()
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evt, ok := <-w.ResultChan()
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o.Expect(ok).To(o.BeTrue())
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switch evt.Type {
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case watch.Added, watch.Modified:
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// this is allowed
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case watch.Error:
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err := apierrors.FromObject(evt.Object)
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// In Kubernetes 1.17 and earlier, the api server returns both apierrors.StatusReasonExpired and
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// apierrors.StatusReasonGone for HTTP 410 (Gone) status code responses. In 1.18 the kube server is more consistent
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// and always returns apierrors.StatusReasonExpired. For backward compatibility we can only remove the apierrs.IsGone
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// check when we fully drop support for Kubernetes 1.17 servers from reflectors.
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if apierrors.IsGone(err) || apierrors.IsResourceExpired(err) {
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// this is allowed, since the kubernetes object could be very old
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break
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}
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if apierrors.IsUnexpectedObjectError(err) {
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g.Fail(fmt.Sprintf("unexpected object, wanted v1.Status: %#v", evt.Object))
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}
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g.Fail(fmt.Sprintf("unexpected error: %#v", evt.Object))
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default:
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g.Fail(fmt.Sprintf("unexpected type %s: %#v", evt.Type, evt.Object))
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}
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})
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}
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})
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