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e2e tests for VSAN policy support in Kubernetes for vSphere - using storageClass v1 new
This commit is contained in:
Balu Dontu
parent
17688c7c4b
commit
a1b059245f
@ -24,6 +24,7 @@ go_library(
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"vsphere_volume_fstype.go",
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"vsphere_volume_ops_storm.go",
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"vsphere_volume_placement.go",
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"vsphere_volume_vsan_policy.go",
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],
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tags = ["automanaged"],
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deps = [
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247
test/e2e/storage/vsphere_volume_vsan_policy.go
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247
test/e2e/storage/vsphere_volume_vsan_policy.go
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@ -0,0 +1,247 @@
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/*
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Copyright 2017 The Kubernetes 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 storage
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import (
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"fmt"
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"time"
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"strings"
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. "github.com/onsi/ginkgo"
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. "github.com/onsi/gomega"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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k8stype "k8s.io/apimachinery/pkg/types"
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"k8s.io/kubernetes/pkg/api/v1"
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"k8s.io/kubernetes/pkg/client/clientset_generated/clientset"
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vsphere "k8s.io/kubernetes/pkg/cloudprovider/providers/vsphere"
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"k8s.io/kubernetes/test/e2e/framework"
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)
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const (
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VmfsDatastore = "sharedVmfs-0"
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VsanDatastore = "vsanDatastore"
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Datastore = "datastore"
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Policy_DiskStripes = "diskStripes"
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Policy_HostFailuresToTolerate = "hostFailuresToTolerate"
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Policy_CacheReservation = "cacheReservation"
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Policy_ObjectSpaceReservation = "objectSpaceReservation"
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Policy_IopsLimit = "iopsLimit"
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HostFailuresToTolerateCapabilityVal = "0"
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CacheReservationCapabilityVal = "20"
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DiskStripesCapabilityVal = "1"
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ObjectSpaceReservationCapabilityVal = "30"
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IopsLimitCapabilityVal = "100"
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StripeWidthCapabilityVal = "2"
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DiskStripesCapabilityInvalidVal = "14"
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HostFailuresToTolerateCapabilityInvalidVal = "4"
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)
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/*
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Test to verify if VSAN storage capabilities specified in storage-class is being honored while volume creation.
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Valid VSAN storage capabilities are mentioned below:
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1. hostFailuresToTolerate
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2. forceProvisioning
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3. cacheReservation
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4. diskStripes
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5. objectSpaceReservation
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6. iopsLimit
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Steps
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1. Create StorageClass with VSAN storage capabilities set to valid values.
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2. Create PVC which uses the StorageClass created in step 1.
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3. Wait for PV to be provisioned.
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4. Wait for PVC's status to become Bound
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5. Create pod using PVC on specific node.
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6. Wait for Disk to be attached to the node.
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7. Delete pod and Wait for Volume Disk to be detached from the Node.
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8. Delete PVC, PV and Storage Class
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*/
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var _ = framework.KubeDescribe("VSAN policy support for dynamic provisioning [Volume]", func() {
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f := framework.NewDefaultFramework("volume-vsan-policy")
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var (
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client clientset.Interface
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namespace string
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scParameters map[string]string
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)
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BeforeEach(func() {
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framework.SkipUnlessProviderIs("vsphere")
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client = f.ClientSet
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namespace = f.Namespace.Name
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scParameters = make(map[string]string)
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nodeList := framework.GetReadySchedulableNodesOrDie(f.ClientSet)
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if !(len(nodeList.Items) > 0) {
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framework.Failf("Unable to find ready and schedulable Node")
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}
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})
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// Valid policy.
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It("verify VSAN storage capability with valid hostFailuresToTolerate and cacheReservation values is honored for dynamically provisioned pvc using storageclass", func() {
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By(fmt.Sprintf("Invoking Test for VSAN policy hostFailuresToTolerate: %s, cacheReservation: %s", HostFailuresToTolerateCapabilityVal, CacheReservationCapabilityVal))
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scParameters[Policy_HostFailuresToTolerate] = HostFailuresToTolerateCapabilityVal
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scParameters[Policy_CacheReservation] = CacheReservationCapabilityVal
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framework.Logf("Invoking Test for VSAN storage capabilities: %+v", scParameters)
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invokeValidVSANPolicyTest(f, client, namespace, scParameters)
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})
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// Valid policy.
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It("verify VSAN storage capability with valid diskStripes and objectSpaceReservation values is honored for dynamically provisioned pvc using storageclass", func() {
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By(fmt.Sprintf("Invoking Test for VSAN policy diskStripes: %s, objectSpaceReservation: %s", DiskStripesCapabilityVal, ObjectSpaceReservationCapabilityVal))
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scParameters[Policy_DiskStripes] = "1"
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scParameters[Policy_ObjectSpaceReservation] = "30"
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framework.Logf("Invoking Test for VSAN storage capabilities: %+v", scParameters)
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invokeValidVSANPolicyTest(f, client, namespace, scParameters)
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})
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// Valid policy.
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It("verify VSAN storage capability with valid diskStripes and objectSpaceReservation values and a VSAN datastore is honored for dynamically provisioned pvc using storageclass", func() {
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By(fmt.Sprintf("Invoking Test for VSAN policy diskStripes: %s, objectSpaceReservation: %s", DiskStripesCapabilityVal, ObjectSpaceReservationCapabilityVal))
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scParameters[Policy_DiskStripes] = DiskStripesCapabilityVal
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scParameters[Policy_ObjectSpaceReservation] = ObjectSpaceReservationCapabilityVal
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scParameters[Datastore] = VsanDatastore
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framework.Logf("Invoking Test for VSAN storage capabilities: %+v", scParameters)
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invokeValidVSANPolicyTest(f, client, namespace, scParameters)
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})
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// Valid policy.
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It("verify VSAN storage capability with valid objectSpaceReservation and iopsLimit values is honored for dynamically provisioned pvc using storageclass", func() {
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By(fmt.Sprintf("Invoking Test for VSAN policy objectSpaceReservation: %s, iopsLimit: %s", ObjectSpaceReservationCapabilityVal, IopsLimitCapabilityVal))
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scParameters[Policy_ObjectSpaceReservation] = ObjectSpaceReservationCapabilityVal
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scParameters[Policy_IopsLimit] = IopsLimitCapabilityVal
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framework.Logf("Invoking Test for VSAN storage capabilities: %+v", scParameters)
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invokeValidVSANPolicyTest(f, client, namespace, scParameters)
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})
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// Invalid VSAN storage capabilties parameters.
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It("verify VSAN storage capability with invalid capability name objectSpaceReserve is not honored for dynamically provisioned pvc using storageclass", func() {
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By(fmt.Sprintf("Invoking Test for VSAN policy objectSpaceReserve: %s, stripeWidth: %s", ObjectSpaceReservationCapabilityVal, StripeWidthCapabilityVal))
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scParameters["objectSpaceReserve"] = ObjectSpaceReservationCapabilityVal
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scParameters[Policy_DiskStripes] = StripeWidthCapabilityVal
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framework.Logf("Invoking Test for VSAN storage capabilities: %+v", scParameters)
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err := invokeInvalidVSANPolicyTestNeg(client, namespace, scParameters)
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// This will make sure err is always returned.
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Expect(err).To(HaveOccurred())
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errorMsg := "invalid option \\\"objectSpaceReserve\\\" for diskStripes in volume plugin kubernetes.io/vsphere-volume."
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if !strings.Contains(err.Error(), errorMsg) {
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Expect(err).NotTo(HaveOccurred())
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}
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})
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// Invalid policy on a VSAN test bed.
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// diskStripes value has to be between 1 and 12.
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It("verify VSAN storage capability with invalid diskStripes value is not honored for dynamically provisioned pvc using storageclass", func() {
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By(fmt.Sprintf("Invoking Test for VSAN policy diskStripes: %s, cacheReservation: %s", DiskStripesCapabilityInvalidVal, CacheReservationCapabilityVal))
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scParameters[Policy_DiskStripes] = DiskStripesCapabilityInvalidVal
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scParameters[Policy_CacheReservation] = CacheReservationCapabilityVal
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framework.Logf("Invoking Test for VSAN storage capabilities: %+v", scParameters)
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err := invokeInvalidVSANPolicyTestNeg(client, namespace, scParameters)
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// This will make sure err is always returned.
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Expect(err).To(HaveOccurred())
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errorMsg := "Invalid value for " + Policy_DiskStripes + " in volume plugin kubernetes.io/vsphere-volume."
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if !strings.Contains(err.Error(), errorMsg) {
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Expect(err).NotTo(HaveOccurred())
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}
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})
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// Invalid policy on a VSAN test bed.
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// hostFailuresToTolerate value has to be between 0 and 3 including.
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It("verify VSAN storage capability with invalid hostFailuresToTolerate value is not honored for dynamically provisioned pvc using storageclass", func() {
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By(fmt.Sprintf("Invoking Test for VSAN policy hostFailuresToTolerate: %s", HostFailuresToTolerateCapabilityInvalidVal))
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scParameters[Policy_HostFailuresToTolerate] = HostFailuresToTolerateCapabilityInvalidVal
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framework.Logf("Invoking Test for VSAN storage capabilities: %+v", scParameters)
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err := invokeInvalidVSANPolicyTestNeg(client, namespace, scParameters)
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// This will make sure err is always returned.
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Expect(err).To(HaveOccurred())
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errorMsg := "Invalid value for " + Policy_HostFailuresToTolerate + " in volume plugin kubernetes.io/vsphere-volume."
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if !strings.Contains(err.Error(), errorMsg) {
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Expect(err).NotTo(HaveOccurred())
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}
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})
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// Specify a valid VSAN policy on a non-VSAN test bed.
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// The test should fail.
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It("verify VSAN storage capability with non-vsan datastore is not honored for dynamically provisioned pvc using storageclass", func() {
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By(fmt.Sprintf("Invoking Test for VSAN policy diskStripes: %s, objectSpaceReservation: %s and a non-VSAN datastore: %s", DiskStripesCapabilityVal, ObjectSpaceReservationCapabilityVal, VmfsDatastore))
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scParameters[Policy_DiskStripes] = DiskStripesCapabilityVal
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scParameters[Policy_ObjectSpaceReservation] = ObjectSpaceReservationCapabilityVal
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scParameters[Datastore] = VmfsDatastore
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framework.Logf("Invoking Test for VSAN storage capabilities: %+v", scParameters)
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err := invokeInvalidVSANPolicyTestNeg(client, namespace, scParameters)
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// This will make sure err is always returned.
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Expect(err).To(HaveOccurred())
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errorMsg := "The specified datastore: \\\"" + VmfsDatastore + "\\\" is not a VSAN datastore. " +
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"The policy parameters will work only with VSAN Datastore."
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framework.Logf("errorMsg: %+q", errorMsg)
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if !strings.Contains(err.Error(), errorMsg) {
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Expect(err).NotTo(HaveOccurred())
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}
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})
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})
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func invokeValidVSANPolicyTest(f *framework.Framework, client clientset.Interface, namespace string, scParameters map[string]string) {
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By("Creating Storage Class With VSAN policy params")
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storageclass, err := client.StorageV1().StorageClasses().Create(getVSphereStorageClassSpec("vsanpolicysc", scParameters))
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Expect(err).NotTo(HaveOccurred(), fmt.Sprintf("Failed to create storage class with err: %v", err))
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defer client.StorageV1().StorageClasses().Delete(storageclass.Name, nil)
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By("Creating PVC using the Storage Class")
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pvclaim, err := framework.CreatePVC(client, namespace, getVSphereClaimSpecWithStorageClassAnnotation(namespace, storageclass))
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Expect(err).NotTo(HaveOccurred())
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defer framework.DeletePersistentVolumeClaim(client, pvclaim.Name, namespace)
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pvclaims := make([]*v1.PersistentVolumeClaim, 1)
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pvclaims = append(pvclaims, pvclaim)
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By("Waiting for claim to be in bound phase")
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persistentvolumes, err := framework.WaitForPVClaimBoundPhase(client, pvclaims)
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Expect(err).NotTo(HaveOccurred())
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By("Creating pod to attach PV to the node")
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// Create pod to attach Volume to Node
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pod, err := framework.CreatePod(client, namespace, pvclaims, false, "")
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Expect(err).NotTo(HaveOccurred())
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vsp, err := vsphere.GetVSphere()
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Expect(err).NotTo(HaveOccurred())
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By("Verify the volume is accessible and available in the pod")
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verifyVSphereVolumesAccessible(pod, persistentvolumes, vsp)
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By("Deleting pod")
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framework.DeletePodWithWait(f, client, pod)
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By("Waiting for volumes to be detached from the node")
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waitForVSphereDiskToDetach(vsp, persistentvolumes[0].Spec.VsphereVolume.VolumePath, k8stype.NodeName(pod.Spec.NodeName))
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}
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func invokeInvalidVSANPolicyTestNeg(client clientset.Interface, namespace string, scParameters map[string]string) error {
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By("Creating Storage Class With VSAN policy params")
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storageclass, err := client.StorageV1().StorageClasses().Create(getVSphereStorageClassSpec("vsanpolicysc", scParameters))
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Expect(err).NotTo(HaveOccurred(), fmt.Sprintf("Failed to create storage class with err: %v", err))
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defer client.StorageV1().StorageClasses().Delete(storageclass.Name, nil)
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By("Creating PVC using the Storage Class")
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pvclaim, err := framework.CreatePVC(client, namespace, getVSphereClaimSpecWithStorageClassAnnotation(namespace, storageclass))
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Expect(err).NotTo(HaveOccurred())
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defer framework.DeletePersistentVolumeClaim(client, pvclaim.Name, namespace)
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By("Waiting for claim to be in bound phase")
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err = framework.WaitForPersistentVolumeClaimPhase(v1.ClaimBound, client, pvclaim.Namespace, pvclaim.Name, framework.Poll, 2*time.Minute)
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Expect(err).To(HaveOccurred())
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eventList, err := client.CoreV1().Events(pvclaim.Namespace).List(metav1.ListOptions{})
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return fmt.Errorf("Failure message: %+q", eventList.Items[0].Message)
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}
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