-
Notifications
You must be signed in to change notification settings - Fork 39.3k
/
flexvolume_mounted_volume_resize.go
185 lines (154 loc) · 6.56 KB
/
flexvolume_mounted_volume_resize.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
/*
Copyright 2018 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 storage
import (
"fmt"
"path"
. "github.com/onsi/ginkgo"
. "github.com/onsi/gomega"
"k8s.io/api/core/v1"
storage "k8s.io/api/storage/v1"
"k8s.io/apimachinery/pkg/api/resource"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
utilerrors "k8s.io/apimachinery/pkg/util/errors"
clientset "k8s.io/client-go/kubernetes"
"k8s.io/kubernetes/test/e2e/framework"
"k8s.io/kubernetes/test/e2e/storage/testsuites"
"k8s.io/kubernetes/test/e2e/storage/utils"
)
var _ = utils.SIGDescribe("Mounted flexvolume expand[Slow]", func() {
var (
c clientset.Interface
ns string
err error
pvc *v1.PersistentVolumeClaim
resizableSc *storage.StorageClass
nodeName string
isNodeLabeled bool
nodeKeyValueLabel map[string]string
nodeLabelValue string
nodeKey string
)
f := framework.NewDefaultFramework("mounted-flexvolume-expand")
BeforeEach(func() {
framework.SkipUnlessProviderIs("aws", "gce", "local")
framework.SkipUnlessMasterOSDistroIs("debian", "ubuntu", "gci", "custom")
framework.SkipUnlessNodeOSDistroIs("debian", "ubuntu", "gci", "custom")
framework.SkipUnlessSSHKeyPresent()
c = f.ClientSet
ns = f.Namespace.Name
framework.ExpectNoError(framework.WaitForAllNodesSchedulable(c, framework.TestContext.NodeSchedulableTimeout))
nodeList := framework.GetReadySchedulableNodesOrDie(f.ClientSet)
if len(nodeList.Items) != 0 {
nodeName = nodeList.Items[0].Name
} else {
framework.Failf("Unable to find ready and schedulable Node")
}
nodeKey = "mounted_flexvolume_expand"
if !isNodeLabeled {
nodeLabelValue = ns
nodeKeyValueLabel = make(map[string]string)
nodeKeyValueLabel[nodeKey] = nodeLabelValue
framework.AddOrUpdateLabelOnNode(c, nodeName, nodeKey, nodeLabelValue)
isNodeLabeled = true
}
test := testsuites.StorageClassTest{
Name: "flexvolume-resize",
ClaimSize: "2Gi",
AllowVolumeExpansion: true,
Provisioner: "flex-expand",
}
resizableSc, err = createStorageClass(test, ns, "resizing", c)
if err != nil {
fmt.Printf("storage class creation error: %v\n", err)
}
Expect(err).NotTo(HaveOccurred(), "Error creating resizable storage class")
Expect(*resizableSc.AllowVolumeExpansion).To(BeTrue())
pvc = getClaim("2Gi", ns)
pvc.Spec.StorageClassName = &resizableSc.Name
pvc, err = c.CoreV1().PersistentVolumeClaims(pvc.Namespace).Create(pvc)
Expect(err).NotTo(HaveOccurred(), "Error creating pvc")
})
framework.AddCleanupAction(func() {
if len(nodeLabelValue) > 0 {
framework.RemoveLabelOffNode(c, nodeName, nodeKey)
}
})
AfterEach(func() {
framework.Logf("AfterEach: Cleaning up resources for mounted volume resize")
if c != nil {
if errs := framework.PVPVCCleanup(c, ns, nil, pvc); len(errs) > 0 {
framework.Failf("AfterEach: Failed to delete PVC and/or PV. Errors: %v", utilerrors.NewAggregate(errs))
}
pvc, nodeName, isNodeLabeled, nodeLabelValue = nil, "", false, ""
nodeKeyValueLabel = make(map[string]string)
}
})
It("Should verify mounted flex volumes can be resized", func() {
driver := "dummy-attachable"
nodeList := framework.GetReadySchedulableNodesOrDie(f.ClientSet)
node := nodeList.Items[0]
By(fmt.Sprintf("installing flexvolume %s on node %s as %s", path.Join(driverDir, driver), node.Name, driver))
installFlex(c, &node, "k8s", driver, path.Join(driverDir, driver))
By(fmt.Sprintf("installing flexvolume %s on (master) node %s as %s", path.Join(driverDir, driver), node.Name, driver))
installFlex(c, nil, "k8s", driver, path.Join(driverDir, driver))
pv := framework.MakePersistentVolume(framework.PersistentVolumeConfig{
PVSource: v1.PersistentVolumeSource{
FlexVolume: &v1.FlexPersistentVolumeSource{
Driver: "k8s/" + driver,
}},
NamePrefix: "pv-",
StorageClassName: resizableSc.Name,
VolumeMode: pvc.Spec.VolumeMode,
})
pv, err = framework.CreatePV(c, pv)
Expect(err).NotTo(HaveOccurred(), "Error creating pv %v", err)
By("Waiting for PVC to be in bound phase")
pvcClaims := []*v1.PersistentVolumeClaim{pvc}
var pvs []*v1.PersistentVolume
pvs, err = framework.WaitForPVClaimBoundPhase(c, pvcClaims, framework.ClaimProvisionTimeout)
Expect(err).NotTo(HaveOccurred(), "Failed waiting for PVC to be bound %v", err)
Expect(len(pvs)).To(Equal(1))
By("Creating a deployment with the provisioned volume")
deployment, err := framework.CreateDeployment(c, int32(1), map[string]string{"test": "app"}, nodeKeyValueLabel, ns, pvcClaims, "")
Expect(err).NotTo(HaveOccurred(), "Failed creating deployment %v", err)
defer c.AppsV1().Deployments(ns).Delete(deployment.Name, &metav1.DeleteOptions{})
By("Expanding current pvc")
newSize := resource.MustParse("6Gi")
pvc, err = expandPVCSize(pvc, newSize, c)
Expect(err).NotTo(HaveOccurred(), "While updating pvc for more size")
Expect(pvc).NotTo(BeNil())
pvcSize := pvc.Spec.Resources.Requests[v1.ResourceStorage]
if pvcSize.Cmp(newSize) != 0 {
framework.Failf("error updating pvc size %q", pvc.Name)
}
By("Waiting for cloudprovider resize to finish")
err = waitForControllerVolumeResize(pvc, c, totalResizeWaitPeriod)
Expect(err).NotTo(HaveOccurred(), "While waiting for pvc resize to finish")
By("Getting a pod from deployment")
podList, err := framework.GetPodsForDeployment(c, deployment)
Expect(podList.Items).NotTo(BeEmpty())
pod := podList.Items[0]
By("Deleting the pod from deployment")
err = framework.DeletePodWithWait(f, c, &pod)
Expect(err).NotTo(HaveOccurred(), "while deleting pod for resizing")
By("Waiting for deployment to create new pod")
pod, err = waitForDeploymentToRecreatePod(c, deployment)
Expect(err).NotTo(HaveOccurred(), "While waiting for pod to be recreated")
By("Waiting for file system resize to finish")
pvc, err = waitForFSResize(pvc, c)
Expect(err).NotTo(HaveOccurred(), "while waiting for fs resize to finish")
pvcConditions := pvc.Status.Conditions
Expect(len(pvcConditions)).To(Equal(0), "pvc should not have conditions")
})
})