mirror of https://github.com/helm/helm
Austin Abro
9 months ago
parent
4c1758143f
commit
4564b8f712
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/*
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Copyright The Helm 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 kube // import "helm.sh/helm/v3/pkg/kube"
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import (
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"errors"
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"fmt"
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"testing"
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"time"
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"github.com/stretchr/testify/require"
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v1 "k8s.io/api/core/v1"
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"k8s.io/apimachinery/pkg/apis/meta/v1/unstructured"
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"k8s.io/apimachinery/pkg/runtime"
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"k8s.io/apimachinery/pkg/runtime/schema"
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"k8s.io/apimachinery/pkg/util/yaml"
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dynamicfake "k8s.io/client-go/dynamic/fake"
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"k8s.io/kubectl/pkg/scheme"
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"sigs.k8s.io/cli-utils/pkg/kstatus/watcher"
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"sigs.k8s.io/cli-utils/pkg/testutil"
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)
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var podCurrentYaml = `
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apiVersion: v1
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kind: Pod
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metadata:
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name: good-pod
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namespace: ns
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status:
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conditions:
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- type: Ready
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status: "True"
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phase: Running
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`
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var podYaml = `
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apiVersion: v1
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kind: Pod
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metadata:
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name: in-progress-pod
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namespace: ns
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`
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func TestRunHealthChecks(t *testing.T) {
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t.Parallel()
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tests := []struct {
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name string
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podYamls []string
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expectErrs []error
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}{
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{
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name: "Pod is ready",
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podYamls: []string{podCurrentYaml},
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expectErrs: nil,
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},
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{
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name: "one of the pods never becomes ready",
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podYamls: []string{podYaml, podCurrentYaml},
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// TODO, make this better
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expectErrs: []error{errors.New("not all resources ready: context deadline exceeded: in-progress-pod: Pod not ready, status: InProgress")},
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},
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}
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for _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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t.Parallel()
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c := newTestClient(t)
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fakeClient := dynamicfake.NewSimpleDynamicClient(scheme.Scheme)
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fakeMapper := testutil.NewFakeRESTMapper(
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v1.SchemeGroupVersion.WithKind("Pod"),
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)
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// ctx, cancel := context.WithTimeout(context.Background(), 500*time.Millisecond)
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// defer cancel()
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pods := []runtime.Object{}
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statusWatcher := watcher.NewDefaultStatusWatcher(fakeClient, fakeMapper)
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for _, podYaml := range tt.podYamls {
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m := make(map[string]interface{})
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err := yaml.Unmarshal([]byte(podYaml), &m)
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require.NoError(t, err)
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pod := &unstructured.Unstructured{Object: m}
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pods = append(pods, pod)
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fmt.Println(pod.GetName())
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podGVR := schema.GroupVersionResource{Group: "", Version: "v1", Resource: "pods"}
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err = fakeClient.Tracker().Create(podGVR, pod, pod.GetNamespace())
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require.NoError(t, err)
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}
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c.waiter = &kstatusWaiter{
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sw: statusWatcher,
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log: c.Log,
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}
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resourceList := ResourceList{}
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for _, pod := range pods {
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list, err := c.Build(objBody(pod), false)
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if err != nil {
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t.Fatal(err)
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}
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resourceList = append(resourceList, list...)
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}
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err := c.Wait(resourceList, time.Second*5)
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if tt.expectErrs != nil {
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require.EqualError(t, err, errors.Join(tt.expectErrs...).Error())
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return
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}
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require.NoError(t, err)
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})
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}
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}
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// func TestWait1(t *testing.T) {
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// podList := newPodList("starfish", "otter", "squid")
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// var created *time.Time
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// c := newTestClient(t)
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// c.Factory.(*cmdtesting.TestFactory).ClientConfigVal = cmdtesting.DefaultClientConfig()
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// c.Factory.(*cmdtesting.TestFactory).Client = &fake.RESTClient{
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// NegotiatedSerializer: unstructuredSerializer,
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// Client: fake.CreateHTTPClient(func(req *http.Request) (*http.Response, error) {
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// p, m := req.URL.Path, req.Method
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// t.Logf("got request %s %s", p, m)
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// switch {
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// case p == "/api/v1/namespaces/default/pods/starfish" && m == "GET":
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// pod := &podList.Items[0]
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// if created != nil && time.Since(*created) >= time.Second*5 {
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// pod.Status.Conditions = []v1.PodCondition{
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// {
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// Type: v1.PodReady,
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// Status: v1.ConditionTrue,
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// },
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// }
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// }
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// return newResponse(200, pod)
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// case p == "/api/v1/namespaces/default/pods/otter" && m == "GET":
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// pod := &podList.Items[1]
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// if created != nil && time.Since(*created) >= time.Second*5 {
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// pod.Status.Conditions = []v1.PodCondition{
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// {
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// Type: v1.PodReady,
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// Status: v1.ConditionTrue,
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// },
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// }
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// }
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// return newResponse(200, pod)
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// case p == "/api/v1/namespaces/default/pods/squid" && m == "GET":
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// pod := &podList.Items[2]
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// if created != nil && time.Since(*created) >= time.Second*5 {
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// pod.Status.Conditions = []v1.PodCondition{
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// {
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// Type: v1.PodReady,
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// Status: v1.ConditionTrue,
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// },
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// }
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// }
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// return newResponse(200, pod)
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// case p == "/namespaces/default/pods" && m == "POST":
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// resources, err := c.Build(req.Body, false)
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// if err != nil {
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// t.Fatal(err)
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// }
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// now := time.Now()
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// created = &now
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// return newResponse(200, resources[0].Object)
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// default:
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// t.Fatalf("unexpected request: %s %s", req.Method, req.URL.Path)
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// return nil, nil
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// }
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// }),
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// }
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// cs, err := c.getKubeClient()
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// require.NoError(t, err)
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// checker := NewReadyChecker(cs, c.Log, PausedAsReady(true))
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// w := &waiter{
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// c: checker,
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// log: c.Log,
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// timeout: time.Second * 30,
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// }
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// c.waiter = w
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// resources, err := c.Build(objBody(&podList), false)
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// if err != nil {
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// t.Fatal(err)
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// }
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// result, err := c.Create(resources)
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// if err != nil {
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// t.Fatal(err)
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// }
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// if len(result.Created) != 3 {
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// t.Errorf("expected 3 resource created, got %d", len(result.Created))
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// }
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// if err := c.Wait(resources, time.Second*30); err != nil {
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// t.Errorf("expected wait without error, got %s", err)
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// }
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// if time.Since(*created) < time.Second*5 {
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// t.Errorf("expected to wait at least 5 seconds before ready status was detected, but got %s", time.Since(*created))
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// }
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// }
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