forked from kubernetes/kubernetes
-
Notifications
You must be signed in to change notification settings - Fork 1
/
ns_conditions_test.go
197 lines (167 loc) · 6.57 KB
/
ns_conditions_test.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
/*
Copyright 2019 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 namespace
import (
"context"
"encoding/json"
"fmt"
"testing"
"time"
"github.com/davecgh/go-spew/spew"
appsv1 "k8s.io/api/apps/v1"
corev1 "k8s.io/api/core/v1"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/apis/meta/v1/unstructured"
"k8s.io/apimachinery/pkg/util/wait"
"k8s.io/client-go/dynamic"
"k8s.io/client-go/informers"
clientset "k8s.io/client-go/kubernetes"
"k8s.io/client-go/metadata"
restclient "k8s.io/client-go/rest"
"k8s.io/kubernetes/pkg/controller/namespace"
"k8s.io/kubernetes/test/integration/etcd"
"k8s.io/kubernetes/test/integration/framework"
)
func TestNamespaceCondition(t *testing.T) {
closeFn, nsController, informers, kubeClient, dynamicClient := namespaceLifecycleSetup(t)
defer closeFn()
nsName := "test-namespace-conditions"
_, err := kubeClient.CoreV1().Namespaces().Create(context.TODO(), &corev1.Namespace{
ObjectMeta: metav1.ObjectMeta{
Name: nsName,
},
}, metav1.CreateOptions{})
if err != nil {
t.Fatal(err)
}
// Start informer and controllers
stopCh := make(chan struct{})
defer close(stopCh)
informers.Start(stopCh)
go nsController.Run(5, stopCh)
data := etcd.GetEtcdStorageDataForNamespace(nsName)
podJSON, err := jsonToUnstructured(data[corev1.SchemeGroupVersion.WithResource("pods")].Stub, "v1", "Pod")
if err != nil {
t.Fatal(err)
}
_, err = dynamicClient.Resource(corev1.SchemeGroupVersion.WithResource("pods")).Namespace(nsName).Create(context.TODO(), podJSON, metav1.CreateOptions{})
if err != nil {
t.Fatal(err)
}
deploymentJSON, err := jsonToUnstructured(data[appsv1.SchemeGroupVersion.WithResource("deployments")].Stub, "apps/v1", "Deployment")
if err != nil {
t.Fatal(err)
}
deploymentJSON.SetFinalizers([]string{"custom.io/finalizer"})
_, err = dynamicClient.Resource(appsv1.SchemeGroupVersion.WithResource("deployments")).Namespace(nsName).Create(context.TODO(), deploymentJSON, metav1.CreateOptions{})
if err != nil {
t.Fatal(err)
}
if err = kubeClient.CoreV1().Namespaces().Delete(context.TODO(), nsName, metav1.DeleteOptions{}); err != nil {
t.Fatal(err)
}
err = wait.PollImmediate(1*time.Second, 60*time.Second, func() (bool, error) {
curr, err := kubeClient.CoreV1().Namespaces().Get(context.TODO(), nsName, metav1.GetOptions{})
if err != nil {
return false, err
}
conditionsFound := 0
for _, condition := range curr.Status.Conditions {
if condition.Type == corev1.NamespaceDeletionGVParsingFailure && condition.Message == `All legacy kube types successfully parsed` {
conditionsFound++
}
if condition.Type == corev1.NamespaceDeletionDiscoveryFailure && condition.Message == `All resources successfully discovered` {
conditionsFound++
}
if condition.Type == corev1.NamespaceDeletionContentFailure && condition.Message == `All content successfully deleted, may be waiting on finalization` {
conditionsFound++
}
if condition.Type == corev1.NamespaceContentRemaining && condition.Message == `Some resources are remaining: deployments.apps has 1 resource instances` {
conditionsFound++
}
if condition.Type == corev1.NamespaceFinalizersRemaining && condition.Message == `Some content in the namespace has finalizers remaining: custom.io/finalizer in 1 resource instances` {
conditionsFound++
}
}
t.Log(spew.Sdump(curr))
return conditionsFound == 5, nil
})
if err != nil {
t.Fatal(err)
}
}
// TestNamespaceLabels tests for default labels added in https://github.com/kubernetes/kubernetes/pull/96968
func TestNamespaceLabels(t *testing.T) {
closeFn, _, _, kubeClient, _ := namespaceLifecycleSetup(t)
defer closeFn()
nsName := "test-namespace-labels-generated"
// Create a new namespace w/ no name
ns, err := kubeClient.CoreV1().Namespaces().Create(context.TODO(), &corev1.Namespace{
ObjectMeta: metav1.ObjectMeta{
GenerateName: nsName,
},
}, metav1.CreateOptions{})
if err != nil {
t.Fatal(err)
}
if ns.Name != ns.Labels[corev1.LabelMetadataName] {
t.Fatal(fmt.Errorf("expected %q, got %q", ns.Name, ns.Labels[corev1.LabelMetadataName]))
}
nsList, err := kubeClient.CoreV1().Namespaces().List(context.TODO(), metav1.ListOptions{})
if err != nil {
t.Fatal(err)
}
for _, ns := range nsList.Items {
if ns.Name != ns.Labels[corev1.LabelMetadataName] {
t.Fatal(fmt.Errorf("expected %q, got %q", ns.Name, ns.Labels[corev1.LabelMetadataName]))
}
}
}
// JSONToUnstructured converts a JSON stub to unstructured.Unstructured and
// returns a dynamic resource client that can be used to interact with it
func jsonToUnstructured(stub, version, kind string) (*unstructured.Unstructured, error) {
typeMetaAdder := map[string]interface{}{}
if err := json.Unmarshal([]byte(stub), &typeMetaAdder); err != nil {
return nil, err
}
// we don't require GVK on the data we provide, so we fill it in here. We could, but that seems extraneous.
typeMetaAdder["apiVersion"] = version
typeMetaAdder["kind"] = kind
return &unstructured.Unstructured{Object: typeMetaAdder}, nil
}
func namespaceLifecycleSetup(t *testing.T) (framework.CloseFunc, *namespace.NamespaceController, informers.SharedInformerFactory, clientset.Interface, dynamic.Interface) {
masterConfig := framework.NewIntegrationTestMasterConfig()
_, s, closeFn := framework.RunAMaster(masterConfig)
config := restclient.Config{Host: s.URL}
config.QPS = 10000
config.Burst = 10000
clientSet, err := clientset.NewForConfig(&config)
if err != nil {
t.Fatalf("error in create clientset: %v", err)
}
resyncPeriod := 12 * time.Hour
informers := informers.NewSharedInformerFactory(clientset.NewForConfigOrDie(restclient.AddUserAgent(&config, "deployment-informers")), resyncPeriod)
metadataClient, err := metadata.NewForConfig(&config)
if err != nil {
panic(err)
}
discoverResourcesFn := clientSet.Discovery().ServerPreferredNamespacedResources
controller := namespace.NewNamespaceController(
clientSet,
metadataClient,
discoverResourcesFn,
informers.Core().V1().Namespaces(),
10*time.Hour,
corev1.FinalizerKubernetes)
return closeFn, controller, informers, clientSet, dynamic.NewForConfigOrDie(&config)
}