forked from kubernetes/kubernetes
/
deployment.go
1462 lines (1257 loc) · 63 KB
/
deployment.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
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
/*
Copyright 2015 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 e2e
import (
"fmt"
"math/rand"
"strings"
"time"
. "github.com/onsi/ginkgo"
. "github.com/onsi/gomega"
"k8s.io/kubernetes/pkg/api"
"k8s.io/kubernetes/pkg/api/annotations"
"k8s.io/kubernetes/pkg/api/errors"
"k8s.io/kubernetes/pkg/api/unversioned"
"k8s.io/kubernetes/pkg/apis/extensions"
clientset "k8s.io/kubernetes/pkg/client/clientset_generated/internalclientset"
client "k8s.io/kubernetes/pkg/client/unversioned"
deploymentutil "k8s.io/kubernetes/pkg/controller/deployment/util"
"k8s.io/kubernetes/pkg/kubectl"
"k8s.io/kubernetes/pkg/labels"
"k8s.io/kubernetes/pkg/util"
"k8s.io/kubernetes/pkg/util/intstr"
"k8s.io/kubernetes/pkg/util/wait"
"k8s.io/kubernetes/pkg/watch"
"k8s.io/kubernetes/test/e2e/framework"
)
const (
// nginxImage defined in kubectl.go
nginxImageName = "nginx"
redisImage = "gcr.io/google_containers/redis:e2e"
redisImageName = "redis"
)
var _ = framework.KubeDescribe("Deployment", func() {
f := framework.NewDefaultFramework("deployment")
// TODO: Add failure traps once we have JustAfterEach
// See https://github.com/onsi/ginkgo/issues/303
It("deployment should create new pods", func() {
testNewDeployment(f)
})
It("deployment reaping should cascade to its replica sets and pods", func() {
testDeleteDeployment(f)
})
It("RollingUpdateDeployment should delete old pods and create new ones", func() {
testRollingUpdateDeployment(f)
})
It("RollingUpdateDeployment should scale up and down in the right order", func() {
testRollingUpdateDeploymentEvents(f)
})
It("RecreateDeployment should delete old pods and create new ones", func() {
testRecreateDeployment(f)
})
It("deployment should delete old replica sets", func() {
testDeploymentCleanUpPolicy(f)
})
It("deployment should support rollover", func() {
testRolloverDeployment(f)
})
It("paused deployment should be ignored by the controller", func() {
testPausedDeployment(f)
})
It("deployment should support rollback", func() {
testRollbackDeployment(f)
})
It("deployment should support rollback when there's replica set with no revision", func() {
testRollbackDeploymentRSNoRevision(f)
})
It("deployment should label adopted RSs and pods", func() {
testDeploymentLabelAdopted(f)
})
It("paused deployment should be able to scale", func() {
testScalePausedDeployment(f)
})
It("scaled rollout deployment should not block on annotation check", func() {
testScaledRolloutDeployment(f)
})
It("overlapping deployment should not fight with each other", func() {
testOverlappingDeployment(f)
})
It("lack of progress should be reported in the deployment status", func() {
testFailedDeployment(f)
})
It("iterative rollouts should eventually progress", func() {
testIterativeDeployments(f)
})
// TODO: add tests that cover deployment.Spec.MinReadySeconds once we solved clock-skew issues
// See https://github.com/kubernetes/kubernetes/issues/29229
})
func newDeployment(deploymentName string, replicas int32, podLabels map[string]string, imageName string, image string, strategyType extensions.DeploymentStrategyType, revisionHistoryLimit *int32) *extensions.Deployment {
zero := int64(0)
return &extensions.Deployment{
ObjectMeta: api.ObjectMeta{
Name: deploymentName,
},
Spec: extensions.DeploymentSpec{
Replicas: replicas,
Selector: &unversioned.LabelSelector{MatchLabels: podLabels},
Strategy: extensions.DeploymentStrategy{
Type: strategyType,
},
RevisionHistoryLimit: revisionHistoryLimit,
Template: api.PodTemplateSpec{
ObjectMeta: api.ObjectMeta{
Labels: podLabels,
},
Spec: api.PodSpec{
TerminationGracePeriodSeconds: &zero,
Containers: []api.Container{
{
Name: imageName,
Image: image,
},
},
},
},
},
}
}
func newDeploymentRollback(name string, annotations map[string]string, revision int64) *extensions.DeploymentRollback {
return &extensions.DeploymentRollback{
Name: name,
UpdatedAnnotations: annotations,
RollbackTo: extensions.RollbackConfig{Revision: revision},
}
}
// checkDeploymentRevision checks if the input deployment's and its new replica set's revision and images are as expected.
func checkDeploymentRevision(c clientset.Interface, ns, deploymentName, revision, imageName, image string) (*extensions.Deployment, *extensions.ReplicaSet) {
deployment, err := c.Extensions().Deployments(ns).Get(deploymentName)
Expect(err).NotTo(HaveOccurred())
// Check revision of the new replica set of this deployment
newRS, err := deploymentutil.GetNewReplicaSet(deployment, c)
Expect(err).NotTo(HaveOccurred())
Expect(newRS.Annotations).NotTo(Equal(nil))
Expect(newRS.Annotations[deploymentutil.RevisionAnnotation]).Should(Equal(revision))
// Check revision of This deployment
Expect(deployment.Annotations).NotTo(Equal(nil))
Expect(deployment.Annotations[deploymentutil.RevisionAnnotation]).Should(Equal(revision))
if len(imageName) > 0 {
// Check the image the new replica set creates
Expect(newRS.Spec.Template.Spec.Containers[0].Name).Should(Equal(imageName))
Expect(newRS.Spec.Template.Spec.Containers[0].Image).Should(Equal(image))
// Check the image the deployment creates
Expect(deployment.Spec.Template.Spec.Containers[0].Name).Should(Equal(imageName))
Expect(deployment.Spec.Template.Spec.Containers[0].Image).Should(Equal(image))
}
return deployment, newRS
}
func stopDeploymentOverlap(c clientset.Interface, ns, deploymentName, overlapWith string) {
stopDeploymentMaybeOverlap(c, ns, deploymentName, overlapWith)
}
func stopDeployment(c clientset.Interface, ns, deploymentName string) {
stopDeploymentMaybeOverlap(c, ns, deploymentName, "")
}
func stopDeploymentMaybeOverlap(c clientset.Interface, ns, deploymentName, overlapWith string) {
deployment, err := c.Extensions().Deployments(ns).Get(deploymentName)
Expect(err).NotTo(HaveOccurred())
framework.Logf("Deleting deployment %s", deploymentName)
reaper, err := kubectl.ReaperFor(extensions.Kind("Deployment"), c)
Expect(err).NotTo(HaveOccurred())
timeout := 1 * time.Minute
err = reaper.Stop(ns, deployment.Name, timeout, api.NewDeleteOptions(0))
Expect(err).NotTo(HaveOccurred())
framework.Logf("Ensuring deployment %s was deleted", deploymentName)
_, err = c.Extensions().Deployments(ns).Get(deployment.Name)
Expect(err).To(HaveOccurred())
Expect(errors.IsNotFound(err)).To(BeTrue())
framework.Logf("Ensuring deployment %s's RSes were deleted", deploymentName)
selector, err := unversioned.LabelSelectorAsSelector(deployment.Spec.Selector)
Expect(err).NotTo(HaveOccurred())
options := api.ListOptions{LabelSelector: selector}
rss, err := c.Extensions().ReplicaSets(ns).List(options)
Expect(err).NotTo(HaveOccurred())
// RSes may be created by overlapping deployments right after this deployment is deleted, ignore them
if len(overlapWith) == 0 {
Expect(rss.Items).Should(HaveLen(0))
} else {
noOverlapRSes := []extensions.ReplicaSet{}
for _, rs := range rss.Items {
if !strings.HasPrefix(rs.Name, overlapWith) {
noOverlapRSes = append(noOverlapRSes, rs)
}
}
Expect(noOverlapRSes).Should(HaveLen(0))
}
framework.Logf("Ensuring deployment %s's Pods were deleted", deploymentName)
var pods *api.PodList
if err := wait.PollImmediate(time.Second, timeout, func() (bool, error) {
pods, err = c.Core().Pods(ns).List(options)
if err != nil {
return false, err
}
// Pods may be created by overlapping deployments right after this deployment is deleted, ignore them
if len(overlapWith) == 0 && len(pods.Items) == 0 {
return true, nil
} else if len(overlapWith) != 0 {
noOverlapPods := []api.Pod{}
for _, pod := range pods.Items {
if !strings.HasPrefix(pod.Name, overlapWith) {
noOverlapPods = append(noOverlapPods, pod)
}
}
if len(noOverlapPods) == 0 {
return true, nil
}
}
return false, nil
}); err != nil {
framework.Failf("Err : %s\n. Failed to remove deployment %s pods : %+v", err, deploymentName, pods)
}
}
func testNewDeployment(f *framework.Framework) {
ns := f.Namespace.Name
c := f.ClientSet
deploymentName := "test-new-deployment"
podLabels := map[string]string{"name": nginxImageName}
replicas := int32(1)
framework.Logf("Creating simple deployment %s", deploymentName)
d := newDeployment(deploymentName, replicas, podLabels, nginxImageName, nginxImage, extensions.RollingUpdateDeploymentStrategyType, nil)
d.Annotations = map[string]string{"test": "should-copy-to-replica-set", annotations.LastAppliedConfigAnnotation: "should-not-copy-to-replica-set"}
deploy, err := c.Extensions().Deployments(ns).Create(d)
Expect(err).NotTo(HaveOccurred())
// Wait for it to be updated to revision 1
err = framework.WaitForDeploymentRevisionAndImage(c, ns, deploymentName, "1", nginxImage)
Expect(err).NotTo(HaveOccurred())
err = framework.WaitForDeploymentStatus(c, deploy)
Expect(err).NotTo(HaveOccurred())
deployment, err := c.Extensions().Deployments(ns).Get(deploymentName)
Expect(err).NotTo(HaveOccurred())
newRS, err := deploymentutil.GetNewReplicaSet(deployment, c)
Expect(err).NotTo(HaveOccurred())
// Check new RS annotations
Expect(newRS.Annotations["test"]).Should(Equal("should-copy-to-replica-set"))
Expect(newRS.Annotations[annotations.LastAppliedConfigAnnotation]).Should(Equal(""))
Expect(deployment.Annotations["test"]).Should(Equal("should-copy-to-replica-set"))
Expect(deployment.Annotations[annotations.LastAppliedConfigAnnotation]).Should(Equal("should-not-copy-to-replica-set"))
}
func testDeleteDeployment(f *framework.Framework) {
ns := f.Namespace.Name
c := f.ClientSet
deploymentName := "test-new-deployment"
podLabels := map[string]string{"name": nginxImageName}
replicas := int32(1)
framework.Logf("Creating simple deployment %s", deploymentName)
d := newDeployment(deploymentName, replicas, podLabels, nginxImageName, nginxImage, extensions.RollingUpdateDeploymentStrategyType, nil)
d.Annotations = map[string]string{"test": "should-copy-to-replica-set", annotations.LastAppliedConfigAnnotation: "should-not-copy-to-replica-set"}
deploy, err := c.Extensions().Deployments(ns).Create(d)
Expect(err).NotTo(HaveOccurred())
// Wait for it to be updated to revision 1
err = framework.WaitForDeploymentRevisionAndImage(c, ns, deploymentName, "1", nginxImage)
Expect(err).NotTo(HaveOccurred())
err = framework.WaitForDeploymentStatus(c, deploy)
Expect(err).NotTo(HaveOccurred())
deployment, err := c.Extensions().Deployments(ns).Get(deploymentName)
Expect(err).NotTo(HaveOccurred())
newRS, err := deploymentutil.GetNewReplicaSet(deployment, c)
Expect(err).NotTo(HaveOccurred())
if newRS == nil {
err = fmt.Errorf("expected a replica set, got nil")
Expect(err).NotTo(HaveOccurred())
}
stopDeployment(c, ns, deploymentName)
}
func testRollingUpdateDeployment(f *framework.Framework) {
ns := f.Namespace.Name
c := f.ClientSet
// Create nginx pods.
deploymentPodLabels := map[string]string{"name": "sample-pod"}
rsPodLabels := map[string]string{
"name": "sample-pod",
"pod": nginxImageName,
}
rsName := "test-rolling-update-controller"
replicas := int32(3)
_, err := c.Extensions().ReplicaSets(ns).Create(newRS(rsName, replicas, rsPodLabels, nginxImageName, nginxImage))
Expect(err).NotTo(HaveOccurred())
// Verify that the required pods have come up.
err = framework.VerifyPods(c, ns, "sample-pod", false, 3)
if err != nil {
framework.Logf("error in waiting for pods to come up: %s", err)
Expect(err).NotTo(HaveOccurred())
}
// Create a deployment to delete nginx pods and instead bring up redis pods.
deploymentName := "test-rolling-update-deployment"
framework.Logf("Creating deployment %s", deploymentName)
deploy, err := c.Extensions().Deployments(ns).Create(newDeployment(deploymentName, replicas, deploymentPodLabels, redisImageName, redisImage, extensions.RollingUpdateDeploymentStrategyType, nil))
Expect(err).NotTo(HaveOccurred())
// Wait for it to be updated to revision 1
err = framework.WaitForDeploymentRevisionAndImage(c, ns, deploymentName, "1", redisImage)
Expect(err).NotTo(HaveOccurred())
err = framework.WaitForDeploymentStatus(c, deploy)
Expect(err).NotTo(HaveOccurred())
// There should be 1 old RS (nginx-controller, which is adopted)
deployment, err := c.Extensions().Deployments(ns).Get(deploymentName)
Expect(err).NotTo(HaveOccurred())
_, allOldRSs, err := deploymentutil.GetOldReplicaSets(deployment, c)
Expect(err).NotTo(HaveOccurred())
Expect(len(allOldRSs)).Should(Equal(1))
// The old RS should contain pod-template-hash in its selector, label, and template label
Expect(len(allOldRSs[0].Labels[extensions.DefaultDeploymentUniqueLabelKey])).Should(BeNumerically(">", 0))
Expect(len(allOldRSs[0].Spec.Selector.MatchLabels[extensions.DefaultDeploymentUniqueLabelKey])).Should(BeNumerically(">", 0))
Expect(len(allOldRSs[0].Spec.Template.Labels[extensions.DefaultDeploymentUniqueLabelKey])).Should(BeNumerically(">", 0))
}
func testRollingUpdateDeploymentEvents(f *framework.Framework) {
ns := f.Namespace.Name
c := f.ClientSet
// Create nginx pods.
deploymentPodLabels := map[string]string{"name": "sample-pod-2"}
rsPodLabels := map[string]string{
"name": "sample-pod-2",
"pod": nginxImageName,
}
rsName := "test-rolling-scale-controller"
replicas := int32(1)
rsRevision := "3546343826724305832"
annotations := make(map[string]string)
annotations[deploymentutil.RevisionAnnotation] = rsRevision
rs := newRS(rsName, replicas, rsPodLabels, nginxImageName, nginxImage)
rs.Annotations = annotations
_, err := c.Extensions().ReplicaSets(ns).Create(rs)
Expect(err).NotTo(HaveOccurred())
// Verify that the required pods have come up.
err = framework.VerifyPods(c, ns, "sample-pod-2", false, 1)
if err != nil {
framework.Logf("error in waiting for pods to come up: %s", err)
Expect(err).NotTo(HaveOccurred())
}
// Create a deployment to delete nginx pods and instead bring up redis pods.
deploymentName := "test-rolling-scale-deployment"
framework.Logf("Creating deployment %s", deploymentName)
deploy, err := c.Extensions().Deployments(ns).Create(newDeployment(deploymentName, replicas, deploymentPodLabels, redisImageName, redisImage, extensions.RollingUpdateDeploymentStrategyType, nil))
Expect(err).NotTo(HaveOccurred())
// Wait for it to be updated to revision 3546343826724305833
err = framework.WaitForDeploymentRevisionAndImage(c, ns, deploymentName, "3546343826724305833", redisImage)
Expect(err).NotTo(HaveOccurred())
err = framework.WaitForDeploymentStatus(c, deploy)
Expect(err).NotTo(HaveOccurred())
// Verify that the pods were scaled up and down as expected. We use events to verify that.
deployment, err := c.Extensions().Deployments(ns).Get(deploymentName)
Expect(err).NotTo(HaveOccurred())
framework.WaitForEvents(c, ns, deployment, 2)
events, err := c.Core().Events(ns).Search(deployment)
if err != nil {
framework.Logf("error in listing events: %s", err)
Expect(err).NotTo(HaveOccurred())
}
// There should be 2 events, one to scale up the new ReplicaSet and then to scale down
// the old ReplicaSet.
Expect(len(events.Items)).Should(Equal(2))
newRS, err := deploymentutil.GetNewReplicaSet(deployment, c)
Expect(err).NotTo(HaveOccurred())
Expect(newRS).NotTo(Equal(nil))
Expect(events.Items[0].Message).Should(Equal(fmt.Sprintf("Scaled up replica set %s to 1", newRS.Name)))
Expect(events.Items[1].Message).Should(Equal(fmt.Sprintf("Scaled down replica set %s to 0", rsName)))
}
func testRecreateDeployment(f *framework.Framework) {
ns := f.Namespace.Name
c := f.ClientSet
// Create nginx pods.
deploymentPodLabels := map[string]string{"name": "sample-pod-3"}
rsPodLabels := map[string]string{
"name": "sample-pod-3",
"pod": nginxImageName,
}
rsName := "test-recreate-controller"
replicas := int32(3)
_, err := c.Extensions().ReplicaSets(ns).Create(newRS(rsName, replicas, rsPodLabels, nginxImageName, nginxImage))
Expect(err).NotTo(HaveOccurred())
// Verify that the required pods have come up.
err = framework.VerifyPods(c, ns, "sample-pod-3", false, 3)
if err != nil {
framework.Logf("error in waiting for pods to come up: %s", err)
Expect(err).NotTo(HaveOccurred())
}
// Create a deployment to delete nginx pods and instead bring up redis pods.
deploymentName := "test-recreate-deployment"
framework.Logf("Creating deployment %s", deploymentName)
deploy, err := c.Extensions().Deployments(ns).Create(newDeployment(deploymentName, replicas, deploymentPodLabels, redisImageName, redisImage, extensions.RecreateDeploymentStrategyType, nil))
Expect(err).NotTo(HaveOccurred())
// Wait for it to be updated to revision 1
err = framework.WaitForDeploymentRevisionAndImage(c, ns, deploymentName, "1", redisImage)
Expect(err).NotTo(HaveOccurred())
err = framework.WaitForDeploymentStatus(c, deploy)
Expect(err).NotTo(HaveOccurred())
// Verify that the pods were scaled up and down as expected. We use events to verify that.
deployment, err := c.Extensions().Deployments(ns).Get(deploymentName)
Expect(err).NotTo(HaveOccurred())
framework.WaitForEvents(c, ns, deployment, 2)
events, err := c.Core().Events(ns).Search(deployment)
if err != nil {
framework.Logf("error in listing events: %s", err)
Expect(err).NotTo(HaveOccurred())
}
// There should be 2 events, one to scale up the new ReplicaSet and then to scale down the old ReplicaSet.
Expect(len(events.Items)).Should(Equal(2))
newRS, err := deploymentutil.GetNewReplicaSet(deployment, c)
Expect(err).NotTo(HaveOccurred())
Expect(newRS).NotTo(Equal(nil))
Expect(events.Items[0].Message).Should(Equal(fmt.Sprintf("Scaled down replica set %s to 0", rsName)))
Expect(events.Items[1].Message).Should(Equal(fmt.Sprintf("Scaled up replica set %s to 3", newRS.Name)))
}
// testDeploymentCleanUpPolicy tests that deployment supports cleanup policy
func testDeploymentCleanUpPolicy(f *framework.Framework) {
ns := f.Namespace.Name
c := f.ClientSet
// Create nginx pods.
deploymentPodLabels := map[string]string{"name": "cleanup-pod"}
rsPodLabels := map[string]string{
"name": "cleanup-pod",
"pod": nginxImageName,
}
rsName := "test-cleanup-controller"
replicas := int32(1)
revisionHistoryLimit := util.Int32Ptr(0)
_, err := c.Extensions().ReplicaSets(ns).Create(newRS(rsName, replicas, rsPodLabels, nginxImageName, nginxImage))
Expect(err).NotTo(HaveOccurred())
// Verify that the required pods have come up.
err = framework.VerifyPods(c, ns, "cleanup-pod", false, 1)
if err != nil {
framework.Logf("error in waiting for pods to come up: %s", err)
Expect(err).NotTo(HaveOccurred())
}
// Create a deployment to delete nginx pods and instead bring up redis pods.
deploymentName := "test-cleanup-deployment"
framework.Logf("Creating deployment %s", deploymentName)
pods, err := c.Core().Pods(ns).List(api.ListOptions{LabelSelector: labels.Everything()})
if err != nil {
Expect(err).NotTo(HaveOccurred(), "Failed to query for pods: %v", err)
}
options := api.ListOptions{
ResourceVersion: pods.ListMeta.ResourceVersion,
}
stopCh := make(chan struct{})
w, err := c.Core().Pods(ns).Watch(options)
go func() {
// There should be only one pod being created, which is the pod with the redis image.
// The old RS shouldn't create new pod when deployment controller adding pod template hash label to its selector.
numPodCreation := 1
for {
select {
case event, _ := <-w.ResultChan():
if event.Type != watch.Added {
continue
}
numPodCreation--
if numPodCreation < 0 {
framework.Failf("Expect only one pod creation, the second creation event: %#v\n", event)
}
pod, ok := event.Object.(*api.Pod)
if !ok {
Fail("Expect event Object to be a pod")
}
if pod.Spec.Containers[0].Name != redisImageName {
framework.Failf("Expect the created pod to have container name %s, got pod %#v\n", redisImageName, pod)
}
case <-stopCh:
return
}
}
}()
_, err = c.Extensions().Deployments(ns).Create(newDeployment(deploymentName, replicas, deploymentPodLabels, redisImageName, redisImage, extensions.RollingUpdateDeploymentStrategyType, revisionHistoryLimit))
Expect(err).NotTo(HaveOccurred())
err = framework.WaitForDeploymentOldRSsNum(c, ns, deploymentName, int(*revisionHistoryLimit))
Expect(err).NotTo(HaveOccurred())
close(stopCh)
}
// testRolloverDeployment tests that deployment supports rollover.
// i.e. we can change desired state and kick off rolling update, then change desired state again before it finishes.
func testRolloverDeployment(f *framework.Framework) {
ns := f.Namespace.Name
c := f.ClientSet
podName := "rollover-pod"
deploymentPodLabels := map[string]string{"name": podName}
rsPodLabels := map[string]string{
"name": podName,
"pod": nginxImageName,
}
rsName := "test-rollover-controller"
rsReplicas := int32(4)
_, err := c.Extensions().ReplicaSets(ns).Create(newRS(rsName, rsReplicas, rsPodLabels, nginxImageName, nginxImage))
Expect(err).NotTo(HaveOccurred())
// Verify that the required pods have come up.
err = framework.VerifyPods(c, ns, podName, false, rsReplicas)
if err != nil {
framework.Logf("error in waiting for pods to come up: %s", err)
Expect(err).NotTo(HaveOccurred())
}
// Create a deployment to delete nginx pods and instead bring up redis-slave pods.
// We use a nonexistent image here, so that we make sure it won't finish
deploymentName, deploymentImageName := "test-rollover-deployment", "redis-slave"
deploymentReplicas := int32(4)
deploymentImage := "gcr.io/google_samples/gb-redisslave:nonexistent"
deploymentStrategyType := extensions.RollingUpdateDeploymentStrategyType
framework.Logf("Creating deployment %s", deploymentName)
newDeployment := newDeployment(deploymentName, deploymentReplicas, deploymentPodLabels, deploymentImageName, deploymentImage, deploymentStrategyType, nil)
newDeployment.Spec.Strategy.RollingUpdate = &extensions.RollingUpdateDeployment{
MaxUnavailable: intstr.FromInt(1),
MaxSurge: intstr.FromInt(1),
}
_, err = c.Extensions().Deployments(ns).Create(newDeployment)
Expect(err).NotTo(HaveOccurred())
// Verify that the pods were scaled up and down as expected.
deployment, err := c.Extensions().Deployments(ns).Get(deploymentName)
Expect(err).NotTo(HaveOccurred())
// Make sure the deployment starts to scale up and down replica sets by checking if its updated replicas >= 1
err = framework.WaitForDeploymentUpdatedReplicasLTE(c, ns, deploymentName, 1, deployment.Generation)
// Check if it's updated to revision 1 correctly
_, newRS := checkDeploymentRevision(c, ns, deploymentName, "1", deploymentImageName, deploymentImage)
// Before the deployment finishes, update the deployment to rollover the above 2 ReplicaSets and bring up redis pods.
Expect(newRS.Spec.Replicas).Should(BeNumerically("<", deploymentReplicas))
updatedDeploymentImageName, updatedDeploymentImage := redisImageName, redisImage
deployment, err = framework.UpdateDeploymentWithRetries(c, ns, newDeployment.Name, func(update *extensions.Deployment) {
update.Spec.Template.Spec.Containers[0].Name = updatedDeploymentImageName
update.Spec.Template.Spec.Containers[0].Image = updatedDeploymentImage
})
Expect(err).NotTo(HaveOccurred())
// Use observedGeneration to determine if the controller noticed the pod template update.
err = framework.WaitForObservedDeployment(c, ns, deploymentName, deployment.Generation)
Expect(err).NotTo(HaveOccurred())
// Wait for it to be updated to revision 2
err = framework.WaitForDeploymentRevisionAndImage(c, ns, deploymentName, "2", updatedDeploymentImage)
Expect(err).NotTo(HaveOccurred())
err = framework.WaitForDeploymentStatus(c, deployment)
Expect(err).NotTo(HaveOccurred())
}
func testPausedDeployment(f *framework.Framework) {
ns := f.Namespace.Name
c := f.ClientSet
deploymentName := "test-paused-deployment"
podLabels := map[string]string{"name": nginxImageName}
d := newDeployment(deploymentName, 1, podLabels, nginxImageName, nginxImage, extensions.RollingUpdateDeploymentStrategyType, nil)
d.Spec.Paused = true
tgps := int64(1)
d.Spec.Template.Spec.TerminationGracePeriodSeconds = &tgps
framework.Logf("Creating paused deployment %s", deploymentName)
_, err := c.Extensions().Deployments(ns).Create(d)
Expect(err).NotTo(HaveOccurred())
// Check that deployment is created fine.
deployment, err := c.Extensions().Deployments(ns).Get(deploymentName)
Expect(err).NotTo(HaveOccurred())
// Verify that there is no latest state realized for the new deployment.
rs, err := deploymentutil.GetNewReplicaSet(deployment, c)
Expect(err).NotTo(HaveOccurred())
if rs != nil {
err = fmt.Errorf("unexpected new rs/%s for deployment/%s", rs.Name, deployment.Name)
Expect(err).NotTo(HaveOccurred())
}
// Update the deployment to run
deployment, err = framework.UpdateDeploymentWithRetries(c, ns, d.Name, func(update *extensions.Deployment) {
update.Spec.Paused = false
})
Expect(err).NotTo(HaveOccurred())
// Use observedGeneration to determine if the controller noticed the resume.
err = framework.WaitForObservedDeployment(c, ns, deploymentName, deployment.Generation)
Expect(err).NotTo(HaveOccurred())
selector, err := unversioned.LabelSelectorAsSelector(deployment.Spec.Selector)
if err != nil {
Expect(err).NotTo(HaveOccurred())
}
opts := api.ListOptions{LabelSelector: selector}
w, err := c.Extensions().ReplicaSets(ns).Watch(opts)
Expect(err).NotTo(HaveOccurred())
select {
case <-w.ResultChan():
// this is it
case <-time.After(time.Minute):
err = fmt.Errorf("expected a new replica set to be created")
Expect(err).NotTo(HaveOccurred())
}
// Pause the deployment and delete the replica set.
// The paused deployment shouldn't recreate a new one.
deployment, err = framework.UpdateDeploymentWithRetries(c, ns, d.Name, func(update *extensions.Deployment) {
update.Spec.Paused = true
})
Expect(err).NotTo(HaveOccurred())
// Use observedGeneration to determine if the controller noticed the pause.
err = framework.WaitForObservedDeployment(c, ns, deploymentName, deployment.Generation)
Expect(err).NotTo(HaveOccurred())
// Update the deployment template - the new replicaset should stay the same
framework.Logf("Updating paused deployment %q", deploymentName)
newTGPS := int64(0)
deployment, err = framework.UpdateDeploymentWithRetries(c, ns, d.Name, func(update *extensions.Deployment) {
update.Spec.Template.Spec.TerminationGracePeriodSeconds = &newTGPS
})
Expect(err).NotTo(HaveOccurred())
err = framework.WaitForObservedDeployment(c, ns, deploymentName, deployment.Generation)
Expect(err).NotTo(HaveOccurred())
framework.Logf("Looking for new replicaset for paused deployment %q (there should be none)", deploymentName)
newRS, err := deploymentutil.GetNewReplicaSet(deployment, c)
Expect(err).NotTo(HaveOccurred())
if newRS != nil {
err = fmt.Errorf("No replica set should match the deployment template but there is %q", newRS.Name)
Expect(err).NotTo(HaveOccurred())
}
_, allOldRs, err := deploymentutil.GetOldReplicaSets(deployment, c)
Expect(err).NotTo(HaveOccurred())
if len(allOldRs) != 1 {
err = fmt.Errorf("expected an old replica set")
Expect(err).NotTo(HaveOccurred())
}
framework.Logf("Comparing deployment diff with old replica set %q", allOldRs[0].Name)
if *allOldRs[0].Spec.Template.Spec.TerminationGracePeriodSeconds == newTGPS {
err = fmt.Errorf("TerminationGracePeriodSeconds on the replica set should be %d but is %d", tgps, newTGPS)
Expect(err).NotTo(HaveOccurred())
}
}
// testRollbackDeployment tests that a deployment is created (revision 1) and updated (revision 2), and
// then rollback to revision 1 (should update template to revision 1, and then update revision 1 to 3),
// and then rollback to last revision.
func testRollbackDeployment(f *framework.Framework) {
ns := f.Namespace.Name
c := f.ClientSet
podName := "nginx"
deploymentPodLabels := map[string]string{"name": podName}
// 1. Create a deployment to create nginx pods.
deploymentName, deploymentImageName := "test-rollback-deployment", nginxImageName
deploymentReplicas := int32(1)
deploymentImage := nginxImage
deploymentStrategyType := extensions.RollingUpdateDeploymentStrategyType
framework.Logf("Creating deployment %s", deploymentName)
d := newDeployment(deploymentName, deploymentReplicas, deploymentPodLabels, deploymentImageName, deploymentImage, deploymentStrategyType, nil)
createAnnotation := map[string]string{"action": "create", "author": "node"}
d.Annotations = createAnnotation
deploy, err := c.Extensions().Deployments(ns).Create(d)
Expect(err).NotTo(HaveOccurred())
// Wait for it to be updated to revision 1
err = framework.WaitForDeploymentRevisionAndImage(c, ns, deploymentName, "1", deploymentImage)
Expect(err).NotTo(HaveOccurred())
err = framework.WaitForDeploymentStatus(c, deploy)
Expect(err).NotTo(HaveOccurred())
// Current newRS annotation should be "create"
err = framework.CheckNewRSAnnotations(c, ns, deploymentName, createAnnotation)
Expect(err).NotTo(HaveOccurred())
// 2. Update the deployment to create redis pods.
updatedDeploymentImage := redisImage
updatedDeploymentImageName := redisImageName
updateAnnotation := map[string]string{"action": "update", "log": "I need to update it"}
deployment, err := framework.UpdateDeploymentWithRetries(c, ns, d.Name, func(update *extensions.Deployment) {
update.Spec.Template.Spec.Containers[0].Name = updatedDeploymentImageName
update.Spec.Template.Spec.Containers[0].Image = updatedDeploymentImage
update.Annotations = updateAnnotation
})
Expect(err).NotTo(HaveOccurred())
// Use observedGeneration to determine if the controller noticed the pod template update.
err = framework.WaitForObservedDeployment(c, ns, deploymentName, deployment.Generation)
Expect(err).NotTo(HaveOccurred())
// Wait for it to be updated to revision 2
err = framework.WaitForDeploymentRevisionAndImage(c, ns, deploymentName, "2", updatedDeploymentImage)
Expect(err).NotTo(HaveOccurred())
err = framework.WaitForDeploymentStatus(c, deployment)
Expect(err).NotTo(HaveOccurred())
// Current newRS annotation should be "update"
err = framework.CheckNewRSAnnotations(c, ns, deploymentName, updateAnnotation)
Expect(err).NotTo(HaveOccurred())
// 3. Update the deploymentRollback to rollback to revision 1
revision := int64(1)
framework.Logf("rolling back deployment %s to revision %d", deploymentName, revision)
rollback := newDeploymentRollback(deploymentName, nil, revision)
err = c.Extensions().Deployments(ns).Rollback(rollback)
Expect(err).NotTo(HaveOccurred())
// Wait for the deployment to start rolling back
err = framework.WaitForDeploymentRollbackCleared(c, ns, deploymentName)
Expect(err).NotTo(HaveOccurred())
// TODO: report RollbackDone in deployment status and check it here
// Wait for it to be updated to revision 3
err = framework.WaitForDeploymentRevisionAndImage(c, ns, deploymentName, "3", deploymentImage)
Expect(err).NotTo(HaveOccurred())
err = framework.WaitForDeploymentStatus(c, deployment)
Expect(err).NotTo(HaveOccurred())
// Current newRS annotation should be "create", after the rollback
err = framework.CheckNewRSAnnotations(c, ns, deploymentName, createAnnotation)
Expect(err).NotTo(HaveOccurred())
// 4. Update the deploymentRollback to rollback to last revision
revision = 0
framework.Logf("rolling back deployment %s to last revision", deploymentName)
rollback = newDeploymentRollback(deploymentName, nil, revision)
err = c.Extensions().Deployments(ns).Rollback(rollback)
Expect(err).NotTo(HaveOccurred())
err = framework.WaitForDeploymentRollbackCleared(c, ns, deploymentName)
Expect(err).NotTo(HaveOccurred())
// Wait for it to be updated to revision 4
err = framework.WaitForDeploymentRevisionAndImage(c, ns, deploymentName, "4", updatedDeploymentImage)
Expect(err).NotTo(HaveOccurred())
err = framework.WaitForDeploymentStatus(c, deployment)
Expect(err).NotTo(HaveOccurred())
// Current newRS annotation should be "update", after the rollback
err = framework.CheckNewRSAnnotations(c, ns, deploymentName, updateAnnotation)
Expect(err).NotTo(HaveOccurred())
}
// testRollbackDeploymentRSNoRevision tests that deployment supports rollback even when there's old replica set without revision.
// An old replica set without revision is created, and then a deployment is created (v1). The deployment shouldn't add revision
// annotation to the old replica set. Then rollback the deployment to last revision, and it should fail.
// Then update the deployment to v2 and rollback it to v1 should succeed, now the deployment
// becomes v3. Then rollback the deployment to v10 (doesn't exist in history) should fail.
// Finally, rollback the deployment (v3) to v3 should be no-op.
// TODO: When we finished reporting rollback status in deployment status, check the rollback status here in each case.
func testRollbackDeploymentRSNoRevision(f *framework.Framework) {
ns := f.Namespace.Name
c := f.ClientSet
podName := "nginx"
deploymentPodLabels := map[string]string{"name": podName}
rsPodLabels := map[string]string{
"name": podName,
"pod": nginxImageName,
}
// Create an old RS without revision
rsName := "test-rollback-no-revision-controller"
rsReplicas := int32(0)
rs := newRS(rsName, rsReplicas, rsPodLabels, nginxImageName, nginxImage)
rs.Annotations = make(map[string]string)
rs.Annotations["make"] = "difference"
_, err := c.Extensions().ReplicaSets(ns).Create(rs)
Expect(err).NotTo(HaveOccurred())
// 1. Create a deployment to create nginx pods, which have different template than the replica set created above.
deploymentName, deploymentImageName := "test-rollback-no-revision-deployment", nginxImageName
deploymentReplicas := int32(1)
deploymentImage := nginxImage
deploymentStrategyType := extensions.RollingUpdateDeploymentStrategyType
framework.Logf("Creating deployment %s", deploymentName)
d := newDeployment(deploymentName, deploymentReplicas, deploymentPodLabels, deploymentImageName, deploymentImage, deploymentStrategyType, nil)
deploy, err := c.Extensions().Deployments(ns).Create(d)
Expect(err).NotTo(HaveOccurred())
// Wait for it to be updated to revision 1
err = framework.WaitForDeploymentRevisionAndImage(c, ns, deploymentName, "1", deploymentImage)
Expect(err).NotTo(HaveOccurred())
err = framework.WaitForDeploymentStatus(c, deploy)
Expect(err).NotTo(HaveOccurred())
// Check that the replica set we created still doesn't contain revision information
rs, err = c.Extensions().ReplicaSets(ns).Get(rsName)
Expect(err).NotTo(HaveOccurred())
Expect(rs.Annotations[deploymentutil.RevisionAnnotation]).Should(Equal(""))
// 2. Update the deploymentRollback to rollback to last revision
// Since there's only 1 revision in history, it should stay as revision 1
revision := int64(0)
framework.Logf("rolling back deployment %s to last revision", deploymentName)
rollback := newDeploymentRollback(deploymentName, nil, revision)
err = c.Extensions().Deployments(ns).Rollback(rollback)
Expect(err).NotTo(HaveOccurred())
// Wait for the deployment to start rolling back
err = framework.WaitForDeploymentRollbackCleared(c, ns, deploymentName)
Expect(err).NotTo(HaveOccurred())
// TODO: report RollbackRevisionNotFound in deployment status and check it here
// The pod template shouldn't change since there's no last revision
// Check if the deployment is still revision 1 and still has the old pod template
checkDeploymentRevision(c, ns, deploymentName, "1", deploymentImageName, deploymentImage)
// 3. Update the deployment to create redis pods.
updatedDeploymentImage := redisImage
updatedDeploymentImageName := redisImageName
deployment, err := framework.UpdateDeploymentWithRetries(c, ns, d.Name, func(update *extensions.Deployment) {
update.Spec.Template.Spec.Containers[0].Name = updatedDeploymentImageName
update.Spec.Template.Spec.Containers[0].Image = updatedDeploymentImage
})
Expect(err).NotTo(HaveOccurred())
// Use observedGeneration to determine if the controller noticed the pod template update.
err = framework.WaitForObservedDeployment(c, ns, deploymentName, deployment.Generation)
Expect(err).NotTo(HaveOccurred())
// Wait for it to be updated to revision 2
err = framework.WaitForDeploymentRevisionAndImage(c, ns, deploymentName, "2", updatedDeploymentImage)
Expect(err).NotTo(HaveOccurred())
err = framework.WaitForDeploymentStatus(c, deployment)
Expect(err).NotTo(HaveOccurred())
// 4. Update the deploymentRollback to rollback to revision 1
revision = 1
framework.Logf("rolling back deployment %s to revision %d", deploymentName, revision)
rollback = newDeploymentRollback(deploymentName, nil, revision)
err = c.Extensions().Deployments(ns).Rollback(rollback)
Expect(err).NotTo(HaveOccurred())
// Wait for the deployment to start rolling back
err = framework.WaitForDeploymentRollbackCleared(c, ns, deploymentName)
Expect(err).NotTo(HaveOccurred())
// TODO: report RollbackDone in deployment status and check it here
// The pod template should be updated to the one in revision 1
// Wait for it to be updated to revision 3
err = framework.WaitForDeploymentRevisionAndImage(c, ns, deploymentName, "3", deploymentImage)
Expect(err).NotTo(HaveOccurred())
err = framework.WaitForDeploymentStatus(c, deployment)
Expect(err).NotTo(HaveOccurred())
// 5. Update the deploymentRollback to rollback to revision 10
// Since there's no revision 10 in history, it should stay as revision 3
revision = 10
framework.Logf("rolling back deployment %s to revision %d", deploymentName, revision)
rollback = newDeploymentRollback(deploymentName, nil, revision)
err = c.Extensions().Deployments(ns).Rollback(rollback)
Expect(err).NotTo(HaveOccurred())
// Wait for the deployment to start rolling back
err = framework.WaitForDeploymentRollbackCleared(c, ns, deploymentName)
Expect(err).NotTo(HaveOccurred())
// TODO: report RollbackRevisionNotFound in deployment status and check it here
// The pod template shouldn't change since there's no revision 10
// Check if it's still revision 3 and still has the old pod template
checkDeploymentRevision(c, ns, deploymentName, "3", deploymentImageName, deploymentImage)
// 6. Update the deploymentRollback to rollback to revision 3
// Since it's already revision 3, it should be no-op
revision = 3
framework.Logf("rolling back deployment %s to revision %d", deploymentName, revision)
rollback = newDeploymentRollback(deploymentName, nil, revision)
err = c.Extensions().Deployments(ns).Rollback(rollback)
Expect(err).NotTo(HaveOccurred())
// Wait for the deployment to start rolling back
err = framework.WaitForDeploymentRollbackCleared(c, ns, deploymentName)
Expect(err).NotTo(HaveOccurred())
// TODO: report RollbackTemplateUnchanged in deployment status and check it here
// The pod template shouldn't change since it's already revision 3
// Check if it's still revision 3 and still has the old pod template
checkDeploymentRevision(c, ns, deploymentName, "3", deploymentImageName, deploymentImage)
}
func testDeploymentLabelAdopted(f *framework.Framework) {
ns := f.Namespace.Name
c := f.ClientSet
// Create nginx pods.
podName := "nginx"
podLabels := map[string]string{"name": podName}
rsName := "test-adopted-controller"
replicas := int32(3)
image := nginxImage
_, err := c.Extensions().ReplicaSets(ns).Create(newRS(rsName, replicas, podLabels, podName, image))
Expect(err).NotTo(HaveOccurred())
// Verify that the required pods have come up.
err = framework.VerifyPods(c, ns, podName, false, 3)
if err != nil {
framework.Logf("error in waiting for pods to come up: %s", err)
Expect(err).NotTo(HaveOccurred())
}
// Create a nginx deployment to adopt the old rs.
deploymentName := "test-adopted-deployment"
framework.Logf("Creating deployment %s", deploymentName)
deploy, err := c.Extensions().Deployments(ns).Create(newDeployment(deploymentName, replicas, podLabels, podName, image, extensions.RollingUpdateDeploymentStrategyType, nil))
Expect(err).NotTo(HaveOccurred())
// Wait for it to be updated to revision 1
err = framework.WaitForDeploymentRevisionAndImage(c, ns, deploymentName, "1", image)
Expect(err).NotTo(HaveOccurred())
// The RS and pods should be relabeled before the status is updated by syncRollingUpdateDeployment
err = framework.WaitForDeploymentStatus(c, deploy)
Expect(err).NotTo(HaveOccurred())
// There should be no old RSs (overlapping RS)
deployment, err := c.Extensions().Deployments(ns).Get(deploymentName)
Expect(err).NotTo(HaveOccurred())
oldRSs, allOldRSs, newRS, err := deploymentutil.GetAllReplicaSets(deployment, c)
Expect(err).NotTo(HaveOccurred())
Expect(len(oldRSs)).Should(Equal(0))
Expect(len(allOldRSs)).Should(Equal(0))
// New RS should contain pod-template-hash in its selector, label, and template label
err = framework.CheckRSHashLabel(newRS)
Expect(err).NotTo(HaveOccurred())
// All pods targeted by the deployment should contain pod-template-hash in their labels, and there should be only 3 pods
selector, err := unversioned.LabelSelectorAsSelector(deployment.Spec.Selector)
Expect(err).NotTo(HaveOccurred())
options := api.ListOptions{LabelSelector: selector}
pods, err := c.Core().Pods(ns).List(options)
Expect(err).NotTo(HaveOccurred())
err = framework.CheckPodHashLabel(pods)
Expect(err).NotTo(HaveOccurred())
Expect(int32(len(pods.Items))).Should(Equal(replicas))
}
func testScalePausedDeployment(f *framework.Framework) {
ns := f.Namespace.Name
c := f.ClientSet
podLabels := map[string]string{"name": nginxImageName}
replicas := int32(3)
// Create a nginx deployment.
deploymentName := "nginx-deployment"
d := newDeployment(deploymentName, replicas, podLabels, nginxImageName, nginxImage, extensions.RollingUpdateDeploymentStrategyType, nil)
framework.Logf("Creating deployment %q", deploymentName)
_, err := c.Extensions().Deployments(ns).Create(d)
Expect(err).NotTo(HaveOccurred())
// Check that deployment is created fine.
deployment, err := c.Extensions().Deployments(ns).Get(deploymentName)
Expect(err).NotTo(HaveOccurred())