-
Notifications
You must be signed in to change notification settings - Fork 39.5k
/
configmap.go
271 lines (241 loc) · 10 KB
/
configmap.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
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
/*
Copyright 2016 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 node
import (
"context"
"encoding/json"
"fmt"
v1 "k8s.io/api/core/v1"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/types"
"k8s.io/apimachinery/pkg/util/uuid"
"k8s.io/kubernetes/test/e2e/framework"
imageutils "k8s.io/kubernetes/test/utils/image"
admissionapi "k8s.io/pod-security-admission/api"
"github.com/onsi/ginkgo"
)
var _ = SIGDescribe("ConfigMap", func() {
f := framework.NewDefaultFramework("configmap")
f.NamespacePodSecurityEnforceLevel = admissionapi.LevelBaseline
/*
Release: v1.9
Testname: ConfigMap, from environment field
Description: Create a Pod with an environment variable value set using a value from ConfigMap. A ConfigMap value MUST be accessible in the container environment.
*/
framework.ConformanceIt("should be consumable via environment variable [NodeConformance]", func() {
name := "configmap-test-" + string(uuid.NewUUID())
configMap := newConfigMap(f, name)
ginkgo.By(fmt.Sprintf("Creating configMap %v/%v", f.Namespace.Name, configMap.Name))
var err error
if configMap, err = f.ClientSet.CoreV1().ConfigMaps(f.Namespace.Name).Create(context.TODO(), configMap, metav1.CreateOptions{}); err != nil {
framework.Failf("unable to create test configMap %s: %v", configMap.Name, err)
}
pod := &v1.Pod{
ObjectMeta: metav1.ObjectMeta{
Name: "pod-configmaps-" + string(uuid.NewUUID()),
},
Spec: v1.PodSpec{
Containers: []v1.Container{
{
Name: "env-test",
Image: imageutils.GetE2EImage(imageutils.BusyBox),
Command: []string{"sh", "-c", "env"},
Env: []v1.EnvVar{
{
Name: "CONFIG_DATA_1",
ValueFrom: &v1.EnvVarSource{
ConfigMapKeyRef: &v1.ConfigMapKeySelector{
LocalObjectReference: v1.LocalObjectReference{
Name: name,
},
Key: "data-1",
},
},
},
},
},
},
RestartPolicy: v1.RestartPolicyNever,
},
}
f.TestContainerOutput("consume configMaps", pod, 0, []string{
"CONFIG_DATA_1=value-1",
})
})
/*
Release: v1.9
Testname: ConfigMap, from environment variables
Description: Create a Pod with a environment source from ConfigMap. All ConfigMap values MUST be available as environment variables in the container.
*/
framework.ConformanceIt("should be consumable via the environment [NodeConformance]", func() {
name := "configmap-test-" + string(uuid.NewUUID())
configMap := newConfigMap(f, name)
ginkgo.By(fmt.Sprintf("Creating configMap %v/%v", f.Namespace.Name, configMap.Name))
var err error
if configMap, err = f.ClientSet.CoreV1().ConfigMaps(f.Namespace.Name).Create(context.TODO(), configMap, metav1.CreateOptions{}); err != nil {
framework.Failf("unable to create test configMap %s: %v", configMap.Name, err)
}
pod := &v1.Pod{
ObjectMeta: metav1.ObjectMeta{
Name: "pod-configmaps-" + string(uuid.NewUUID()),
},
Spec: v1.PodSpec{
Containers: []v1.Container{
{
Name: "env-test",
Image: imageutils.GetE2EImage(imageutils.BusyBox),
Command: []string{"sh", "-c", "env"},
EnvFrom: []v1.EnvFromSource{
{
ConfigMapRef: &v1.ConfigMapEnvSource{LocalObjectReference: v1.LocalObjectReference{Name: name}},
},
{
Prefix: "p-",
ConfigMapRef: &v1.ConfigMapEnvSource{LocalObjectReference: v1.LocalObjectReference{Name: name}},
},
},
},
},
RestartPolicy: v1.RestartPolicyNever,
},
}
f.TestContainerOutput("consume configMaps", pod, 0, []string{
"data-1=value-1", "data-2=value-2", "data-3=value-3",
"p-data-1=value-1", "p-data-2=value-2", "p-data-3=value-3",
})
})
/*
Release: v1.14
Testname: ConfigMap, with empty-key
Description: Attempt to create a ConfigMap with an empty key. The creation MUST fail.
*/
framework.ConformanceIt("should fail to create ConfigMap with empty key", func() {
configMap, err := newConfigMapWithEmptyKey(f)
framework.ExpectError(err, "created configMap %q with empty key in namespace %q", configMap.Name, f.Namespace.Name)
})
ginkgo.It("should update ConfigMap successfully", func() {
name := "configmap-test-" + string(uuid.NewUUID())
configMap := newConfigMap(f, name)
ginkgo.By(fmt.Sprintf("Creating ConfigMap %v/%v", f.Namespace.Name, configMap.Name))
_, err := f.ClientSet.CoreV1().ConfigMaps(f.Namespace.Name).Create(context.TODO(), configMap, metav1.CreateOptions{})
framework.ExpectNoError(err, "failed to create ConfigMap")
configMap.Data = map[string]string{
"data": "value",
}
ginkgo.By(fmt.Sprintf("Updating configMap %v/%v", f.Namespace.Name, configMap.Name))
_, err = f.ClientSet.CoreV1().ConfigMaps(f.Namespace.Name).Update(context.TODO(), configMap, metav1.UpdateOptions{})
framework.ExpectNoError(err, "failed to update ConfigMap")
configMapFromUpdate, err := f.ClientSet.CoreV1().ConfigMaps(f.Namespace.Name).Get(context.TODO(), name, metav1.GetOptions{})
framework.ExpectNoError(err, "failed to get ConfigMap")
ginkgo.By(fmt.Sprintf("Verifying update of ConfigMap %v/%v", f.Namespace.Name, configMap.Name))
framework.ExpectEqual(configMapFromUpdate.Data, configMap.Data)
})
/*
Release: v1.19
Testname: ConfigMap lifecycle
Description: Attempt to create a ConfigMap. Patch the created ConfigMap. Fetching the ConfigMap MUST reflect changes.
By fetching all the ConfigMaps via a Label selector it MUST find the ConfigMap by it's static label and updated value. The ConfigMap must be deleted by Collection.
*/
framework.ConformanceIt("should run through a ConfigMap lifecycle", func() {
testNamespaceName := f.Namespace.Name
testConfigMapName := "test-configmap" + string(uuid.NewUUID())
testConfigMap := v1.ConfigMap{
ObjectMeta: metav1.ObjectMeta{
Name: testConfigMapName,
Labels: map[string]string{
"test-configmap-static": "true",
},
},
Data: map[string]string{
"valueName": "value",
},
}
ginkgo.By("creating a ConfigMap")
_, err := f.ClientSet.CoreV1().ConfigMaps(testNamespaceName).Create(context.TODO(), &testConfigMap, metav1.CreateOptions{})
framework.ExpectNoError(err, "failed to create ConfigMap")
ginkgo.By("fetching the ConfigMap")
configMap, err := f.ClientSet.CoreV1().ConfigMaps(testNamespaceName).Get(context.TODO(), testConfigMapName, metav1.GetOptions{})
framework.ExpectNoError(err, "failed to get ConfigMap")
framework.ExpectEqual(configMap.Data["valueName"], testConfigMap.Data["valueName"])
framework.ExpectEqual(configMap.Labels["test-configmap-static"], testConfigMap.Labels["test-configmap-static"])
configMapPatchPayload, err := json.Marshal(v1.ConfigMap{
ObjectMeta: metav1.ObjectMeta{
Labels: map[string]string{
"test-configmap": "patched",
},
},
Data: map[string]string{
"valueName": "value1",
},
})
framework.ExpectNoError(err, "failed to marshal patch data")
ginkgo.By("patching the ConfigMap")
_, err = f.ClientSet.CoreV1().ConfigMaps(testNamespaceName).Patch(context.TODO(), testConfigMapName, types.StrategicMergePatchType, []byte(configMapPatchPayload), metav1.PatchOptions{})
framework.ExpectNoError(err, "failed to patch ConfigMap")
ginkgo.By("listing all ConfigMaps in all namespaces with a label selector")
configMapList, err := f.ClientSet.CoreV1().ConfigMaps("").List(context.TODO(), metav1.ListOptions{
LabelSelector: "test-configmap=patched",
})
framework.ExpectNoError(err, "failed to list ConfigMaps with LabelSelector")
testConfigMapFound := false
for _, cm := range configMapList.Items {
if cm.ObjectMeta.Name == testConfigMap.ObjectMeta.Name &&
cm.ObjectMeta.Namespace == testNamespaceName &&
cm.ObjectMeta.Labels["test-configmap-static"] == testConfigMap.ObjectMeta.Labels["test-configmap-static"] &&
cm.ObjectMeta.Labels["test-configmap"] == "patched" &&
cm.Data["valueName"] == "value1" {
testConfigMapFound = true
break
}
}
framework.ExpectEqual(testConfigMapFound, true, "failed to find ConfigMap by label selector")
ginkgo.By("deleting the ConfigMap by collection with a label selector")
err = f.ClientSet.CoreV1().ConfigMaps(testNamespaceName).DeleteCollection(context.TODO(), metav1.DeleteOptions{}, metav1.ListOptions{
LabelSelector: "test-configmap-static=true",
})
framework.ExpectNoError(err, "failed to delete ConfigMap collection with LabelSelector")
ginkgo.By("listing all ConfigMaps in test namespace")
configMapList, err = f.ClientSet.CoreV1().ConfigMaps(testNamespaceName).List(context.TODO(), metav1.ListOptions{
LabelSelector: "test-configmap-static=true",
})
framework.ExpectNoError(err, "failed to list ConfigMap by LabelSelector")
framework.ExpectEqual(len(configMapList.Items), 0, "ConfigMap is still present after being deleted by collection")
})
})
func newConfigMap(f *framework.Framework, name string) *v1.ConfigMap {
return &v1.ConfigMap{
ObjectMeta: metav1.ObjectMeta{
Namespace: f.Namespace.Name,
Name: name,
},
Data: map[string]string{
"data-1": "value-1",
"data-2": "value-2",
"data-3": "value-3",
},
}
}
func newConfigMapWithEmptyKey(f *framework.Framework) (*v1.ConfigMap, error) {
name := "configmap-test-emptyKey-" + string(uuid.NewUUID())
configMap := &v1.ConfigMap{
ObjectMeta: metav1.ObjectMeta{
Namespace: f.Namespace.Name,
Name: name,
},
Data: map[string]string{
"": "value-1",
},
}
ginkgo.By(fmt.Sprintf("Creating configMap that has name %s", configMap.Name))
return f.ClientSet.CoreV1().ConfigMaps(f.Namespace.Name).Create(context.TODO(), configMap, metav1.CreateOptions{})
}