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Copy pathsingle_zone_e2e_test.go
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single_zone_e2e_test.go
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/*
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 tests
import (
"context"
"fmt"
"path/filepath"
"regexp"
"strings"
"time"
"k8s.io/apimachinery/pkg/util/uuid"
"k8s.io/apimachinery/pkg/util/wait"
"k8s.io/klog/v2"
"sigs.k8s.io/gcp-compute-persistent-disk-csi-driver/pkg/common"
"sigs.k8s.io/gcp-compute-persistent-disk-csi-driver/pkg/deviceutils"
gce "sigs.k8s.io/gcp-compute-persistent-disk-csi-driver/pkg/gce-cloud-provider/compute"
testutils "sigs.k8s.io/gcp-compute-persistent-disk-csi-driver/test/e2e/utils"
"sigs.k8s.io/gcp-compute-persistent-disk-csi-driver/test/remote"
csi "github.com/container-storage-interface/spec/lib/go/csi"
. "github.com/onsi/ginkgo"
. "github.com/onsi/gomega"
"google.golang.org/api/iterator"
kmspb "google.golang.org/genproto/googleapis/cloud/kms/v1"
fieldmask "google.golang.org/genproto/protobuf/field_mask"
)
const (
testNamePrefix = "gcepd-csi-e2e-"
defaultSizeGb int64 = 5
defaultRepdSizeGb int64 = 200
defaultMwSizeGb int64 = 200
readyState = "READY"
standardDiskType = "pd-standard"
defaultVolumeLimit int64 = 127
defaultEpsilon = 500000000 // 500M
)
var _ = Describe("GCE PD CSI Driver", func() {
It("Should get reasonable volume limits from nodes with NodeGetInfo", func() {
testContext := getRandomTestContext()
resp, err := testContext.Client.NodeGetInfo()
Expect(err).To(BeNil())
volumeLimit := resp.GetMaxVolumesPerNode()
Expect(volumeLimit).To(Equal(defaultVolumeLimit))
})
It("Should create->attach->stage->mount volume and check if it is writable, then unmount->unstage->detach->delete and check disk is deleted", func() {
testContext := getRandomTestContext()
p, z, _ := testContext.Instance.GetIdentity()
client := testContext.Client
instance := testContext.Instance
// Create Disk
volName, volID := createAndValidateUniqueZonalDisk(client, p, z)
defer func() {
// Delete Disk
err := client.DeleteVolume(volID)
Expect(err).To(BeNil(), "DeleteVolume failed")
// Validate Disk Deleted
_, err = computeService.Disks.Get(p, z, volName).Do()
Expect(gce.IsGCEError(err, "notFound")).To(BeTrue(), "Expected disk to not be found")
}()
// Attach Disk
err := testAttachWriteReadDetach(volID, volName, instance, client, false /* readOnly */)
Expect(err).To(BeNil(), "Failed to go through volume lifecycle")
})
It("Should automatically fix the symlink between /dev/* and /dev/by-id if the disk does not match", func() {
testContext := getRandomTestContext()
p, z, _ := testContext.Instance.GetIdentity()
client := testContext.Client
instance := testContext.Instance
// Create Disk
volName, volID := createAndValidateUniqueZonalDisk(client, p, z)
defer func() {
// Delete Disk
err := client.DeleteVolume(volID)
Expect(err).To(BeNil(), "DeleteVolume failed")
// Validate Disk Deleted
_, err = computeService.Disks.Get(p, z, volName).Do()
Expect(gce.IsGCEError(err, "notFound")).To(BeTrue(), "Expected disk to not be found")
}()
// Attach Disk
err := client.ControllerPublishVolume(volID, instance.GetNodeID())
Expect(err).To(BeNil(), "ControllerPublishVolume failed with error for disk %v on node %v: %v", volID, instance.GetNodeID())
defer func() {
// Detach Disk
err = client.ControllerUnpublishVolume(volID, instance.GetNodeID())
if err != nil {
klog.Errorf("Failed to detach disk: %w", err)
}
}()
// MESS UP THE symlink
devicePaths := deviceutils.NewDeviceUtils().GetDiskByIdPaths(volName, "")
for _, devicePath := range devicePaths {
err = testutils.RmAll(instance, devicePath)
Expect(err).To(BeNil(), "failed to remove /dev/by-id folder")
err = testutils.Symlink(instance, "/dev/null", devicePath)
Expect(err).To(BeNil(), "failed to add invalid symlink /dev/by-id folder")
}
// Stage Disk
stageDir := filepath.Join("/tmp/", volName, "stage")
err = client.NodeStageExt4Volume(volID, stageDir)
Expect(err).To(BeNil(), "failed to repair /dev/by-id symlink and stage volume")
// Validate that the link is correct
var validated bool
for _, devicePath := range devicePaths {
validated, err = testutils.ValidateLogicalLinkIsDisk(instance, devicePath, volName)
Expect(err).To(BeNil(), "failed to validate link %s is disk %s: %v", stageDir, volName, err)
if validated {
break
}
}
Expect(validated).To(BeTrue(), "could not find device in %v that links to volume %s", devicePaths, volName)
defer func() {
// Unstage Disk
err = client.NodeUnstageVolume(volID, stageDir)
if err != nil {
klog.Errorf("Failed to unstage volume: %w", err)
}
fp := filepath.Join("/tmp/", volName)
err = testutils.RmAll(instance, fp)
if err != nil {
klog.Errorf("Failed to rm file path %s: %w", fp, err)
}
}()
})
It("Should automatically add a symlink between /dev/* and /dev/by-id if disk is not found", func() {
testContext := getRandomTestContext()
p, z, _ := testContext.Instance.GetIdentity()
client := testContext.Client
instance := testContext.Instance
// Create Disk
volName, volID := createAndValidateUniqueZonalDisk(client, p, z)
defer func() {
// Delete Disk
err := client.DeleteVolume(volID)
Expect(err).To(BeNil(), "DeleteVolume failed")
// Validate Disk Deleted
_, err = computeService.Disks.Get(p, z, volName).Do()
Expect(gce.IsGCEError(err, "notFound")).To(BeTrue(), "Expected disk to not be found")
}()
// Attach Disk
err := client.ControllerPublishVolume(volID, instance.GetNodeID())
Expect(err).To(BeNil(), "ControllerPublishVolume failed with error for disk %v on node %v: %v", volID, instance.GetNodeID())
defer func() {
// Detach Disk
err = client.ControllerUnpublishVolume(volID, instance.GetNodeID())
if err != nil {
klog.Errorf("Failed to detach disk: %w", err)
}
}()
// DELETE THE symlink
devicePaths := deviceutils.NewDeviceUtils().GetDiskByIdPaths(volName, "")
for _, devicePath := range devicePaths {
err = testutils.RmAll(instance, devicePath)
Expect(err).To(BeNil(), "failed to remove /dev/by-id folder")
}
// Stage Disk
stageDir := filepath.Join("/tmp/", volName, "stage")
err = client.NodeStageExt4Volume(volID, stageDir)
Expect(err).To(BeNil(), "failed to repair /dev/by-id symlink and stage volume")
// Validate that the link is correct
var validated bool
for _, devicePath := range devicePaths {
validated, err = testutils.ValidateLogicalLinkIsDisk(instance, devicePath, volName)
Expect(err).To(BeNil(), "failed to validate link %s is disk %s: %v", stageDir, volName, err)
if validated {
break
}
}
Expect(validated).To(BeTrue(), "could not find device in %v that links to volume %s", devicePaths, volName)
defer func() {
// Unstage Disk
err = client.NodeUnstageVolume(volID, stageDir)
if err != nil {
klog.Errorf("Failed to unstage volume: %w", err)
}
fp := filepath.Join("/tmp/", volName)
err = testutils.RmAll(instance, fp)
if err != nil {
klog.Errorf("Failed to rm file path %s: %w", fp, err)
}
}()
})
It("Should create disks in correct zones when topology is specified", func() {
Expect(testContexts).ToNot(BeEmpty())
testContext := getRandomTestContext()
p, _, _ := testContext.Instance.GetIdentity()
zones := []string{"us-central1-c", "us-central1-b", "us-central1-a"}
for _, zone := range zones {
volName := testNamePrefix + string(uuid.NewUUID())
topReq := &csi.TopologyRequirement{
Requisite: []*csi.Topology{
{
Segments: map[string]string{common.TopologyKeyZone: zone},
},
},
}
volID, err := testContext.Client.CreateVolume(volName, nil, defaultSizeGb, topReq, nil)
Expect(err).To(BeNil(), "Failed to create volume")
defer func() {
err = testContext.Client.DeleteVolume(volID)
Expect(err).To(BeNil(), "Failed to delete volume")
}()
_, err = computeService.Disks.Get(p, zone, volName).Do()
Expect(err).To(BeNil(), "Could not find disk in correct zone")
}
})
It("Should complete entire disk lifecycle with underspecified volume ID", func() {
testContext := getRandomTestContext()
p, z, _ := testContext.Instance.GetIdentity()
client := testContext.Client
instance := testContext.Instance
volName, _ := createAndValidateUniqueZonalDisk(client, p, z)
underSpecifiedID := common.GenerateUnderspecifiedVolumeID(volName, true /* isZonal */)
defer func() {
// Delete Disk
err := client.DeleteVolume(underSpecifiedID)
Expect(err).To(BeNil(), "DeleteVolume failed")
// Validate Disk Deleted
_, err = computeService.Disks.Get(p, z, volName).Do()
Expect(gce.IsGCEError(err, "notFound")).To(BeTrue(), "Expected disk to not be found")
}()
// Attach Disk
err := testAttachWriteReadDetach(underSpecifiedID, volName, instance, client, false /* readOnly */)
Expect(err).To(BeNil(), "Failed to go through volume lifecycle")
})
It("Should successfully create RePD in two zones in the drivers region when none are specified", func() {
Expect(testContexts).ToNot(BeEmpty())
testContext := getRandomTestContext()
controllerInstance := testContext.Instance
controllerClient := testContext.Client
p, z, _ := controllerInstance.GetIdentity()
region, err := common.GetRegionFromZones([]string{z})
Expect(err).To(BeNil(), "Failed to get region from zones")
// Create Disk
volName := testNamePrefix + string(uuid.NewUUID())
volID, err := controllerClient.CreateVolume(volName, map[string]string{
common.ParameterKeyReplicationType: "regional-pd",
}, defaultRepdSizeGb, nil, nil)
Expect(err).To(BeNil(), "CreateVolume failed with error: %v", err)
// Validate Disk Created
cloudDisk, err := computeService.RegionDisks.Get(p, region, volName).Do()
Expect(err).To(BeNil(), "Could not get disk from cloud directly")
Expect(cloudDisk.Type).To(ContainSubstring(standardDiskType))
Expect(cloudDisk.Status).To(Equal(readyState))
Expect(cloudDisk.SizeGb).To(Equal(defaultRepdSizeGb))
Expect(cloudDisk.Name).To(Equal(volName))
Expect(len(cloudDisk.ReplicaZones)).To(Equal(2))
for _, replicaZone := range cloudDisk.ReplicaZones {
tokens := strings.Split(replicaZone, "/")
actualZone := tokens[len(tokens)-1]
gotRegion, err := common.GetRegionFromZones([]string{actualZone})
Expect(err).To(BeNil(), "failed to get region from actual zone %v", actualZone)
Expect(gotRegion).To(Equal(region), "Got region from replica zone that did not match supplied region")
}
defer func() {
// Delete Disk
controllerClient.DeleteVolume(volID)
Expect(err).To(BeNil(), "DeleteVolume failed")
// Validate Disk Deleted
_, err = computeService.RegionDisks.Get(p, region, volName).Do()
Expect(gce.IsGCEError(err, "notFound")).To(BeTrue(), "Expected disk to not be found")
}()
})
It("Should create and delete disk with default zone", func() {
Expect(testContexts).ToNot(BeEmpty())
testContext := getRandomTestContext()
p, z, _ := testContext.Instance.GetIdentity()
client := testContext.Client
// Create Disk
volName := testNamePrefix + string(uuid.NewUUID())
volID, err := client.CreateVolume(volName, nil, defaultSizeGb, nil, nil)
Expect(err).To(BeNil(), "CreateVolume failed with error: %v", err)
// Validate Disk Created
cloudDisk, err := computeService.Disks.Get(p, z, volName).Do()
Expect(err).To(BeNil(), "Could not get disk from cloud directly")
Expect(cloudDisk.Type).To(ContainSubstring(standardDiskType))
Expect(cloudDisk.Status).To(Equal(readyState))
Expect(cloudDisk.SizeGb).To(Equal(defaultSizeGb))
Expect(cloudDisk.Name).To(Equal(volName))
defer func() {
// Delete Disk
client.DeleteVolume(volID)
Expect(err).To(BeNil(), "DeleteVolume failed")
// Validate Disk Deleted
_, err = computeService.Disks.Get(p, z, volName).Do()
Expect(gce.IsGCEError(err, "notFound")).To(BeTrue(), "Expected disk to not be found")
}()
})
It("Should create and delete disk with labels", func() {
Expect(testContexts).ToNot(BeEmpty())
testContext := getRandomTestContext()
p, z, _ := testContext.Instance.GetIdentity()
client := testContext.Client
// Create Disk
volName := testNamePrefix + string(uuid.NewUUID())
params := map[string]string{
common.ParameterKeyLabels: "key1=value1,key2=value2",
}
volID, err := client.CreateVolume(volName, params, defaultSizeGb, nil, nil)
Expect(err).To(BeNil(), "CreateVolume failed with error: %v", err)
// Validate Disk Created
cloudDisk, err := computeService.Disks.Get(p, z, volName).Do()
Expect(err).To(BeNil(), "Could not get disk from cloud directly")
Expect(cloudDisk.Type).To(ContainSubstring(standardDiskType))
Expect(cloudDisk.Status).To(Equal(readyState))
Expect(cloudDisk.SizeGb).To(Equal(defaultSizeGb))
Expect(cloudDisk.Labels).To(Equal(map[string]string{
"key1": "value1",
"key2": "value2",
// The label below is added as an --extra-label driver command line argument.
testutils.DiskLabelKey: testutils.DiskLabelValue,
}))
Expect(cloudDisk.Name).To(Equal(volName))
defer func() {
// Delete Disk
err := client.DeleteVolume(volID)
Expect(err).To(BeNil(), "DeleteVolume failed")
// Validate Disk Deleted
_, err = computeService.Disks.Get(p, z, volName).Do()
Expect(gce.IsGCEError(err, "notFound")).To(BeTrue(), "Expected disk to not be found")
}()
})
// Test volume already exists idempotency
// Test volume with op pending
It("Should create and delete snapshot for the volume with default zone", func() {
Expect(testContexts).ToNot(BeEmpty())
testContext := getRandomTestContext()
p, z, _ := testContext.Instance.GetIdentity()
client := testContext.Client
volName, volID := createAndValidateUniqueZonalDisk(client, p, z)
// Create Snapshot
snapshotName := testNamePrefix + string(uuid.NewUUID())
snapshotID, err := client.CreateSnapshot(snapshotName, volID, nil)
Expect(err).To(BeNil(), "CreateSnapshot failed with error: %v", err)
// Validate Snapshot Created
snapshot, err := computeService.Snapshots.Get(p, snapshotName).Do()
Expect(err).To(BeNil(), "Could not get snapshot from cloud directly")
Expect(snapshot.Name).To(Equal(snapshotName))
err = wait.Poll(10*time.Second, 3*time.Minute, func() (bool, error) {
snapshot, err := computeService.Snapshots.Get(p, snapshotName).Do()
Expect(err).To(BeNil(), "Could not get snapshot from cloud directly")
if snapshot.Status == "READY" {
return true, nil
}
return false, nil
})
Expect(err).To(BeNil(), "Could not wait for snapshot be ready")
defer func() {
// Delete Disk
err := client.DeleteVolume(volID)
Expect(err).To(BeNil(), "DeleteVolume failed")
// Validate Disk Deleted
_, err = computeService.Disks.Get(p, z, volName).Do()
Expect(gce.IsGCEError(err, "notFound")).To(BeTrue(), "Expected disk to not be found")
// Delete Snapshot
err = client.DeleteSnapshot(snapshotID)
Expect(err).To(BeNil(), "DeleteSnapshot failed")
// Validate Snapshot Deleted
_, err = computeService.Snapshots.Get(p, snapshotName).Do()
Expect(gce.IsGCEError(err, "notFound")).To(BeTrue(), "Expected snapshot to not be found")
}()
})
It("Should create CMEK key, go through volume lifecycle, validate behavior on key revoke and restore", func() {
ctx := context.Background()
Expect(testContexts).ToNot(BeEmpty())
testContext := getRandomTestContext()
controllerInstance := testContext.Instance
controllerClient := testContext.Client
p, z, _ := controllerInstance.GetIdentity()
locationID := "global"
// The resource name of the key rings.
parentName := fmt.Sprintf("projects/%s/locations/%s", p, locationID)
keyRingId := "gce-pd-csi-test-ring"
// Create KeyRing
ringReq := &kmspb.CreateKeyRingRequest{
Parent: parentName,
KeyRingId: keyRingId,
}
keyRing, err := kmsClient.CreateKeyRing(ctx, ringReq)
if !gce.IsGCEError(err, "alreadyExists") {
getKeyRingReq := &kmspb.GetKeyRingRequest{
Name: fmt.Sprintf("%s/keyRings/%s", parentName, keyRingId),
}
keyRing, err = kmsClient.GetKeyRing(ctx, getKeyRingReq)
}
Expect(err).To(BeNil(), "Failed to create or get key ring %v", keyRingId)
// Create CryptoKey in KeyRing
keyId := "test-key-" + string(uuid.NewUUID())
keyReq := &kmspb.CreateCryptoKeyRequest{
Parent: keyRing.Name,
CryptoKeyId: keyId,
CryptoKey: &kmspb.CryptoKey{
Purpose: kmspb.CryptoKey_ENCRYPT_DECRYPT,
VersionTemplate: &kmspb.CryptoKeyVersionTemplate{
Algorithm: kmspb.CryptoKeyVersion_GOOGLE_SYMMETRIC_ENCRYPTION,
},
},
}
key, err := kmsClient.CreateCryptoKey(ctx, keyReq)
Expect(err).To(BeNil(), "Failed to create crypto key %v in key ring %v", keyId, keyRing.Name)
keyVersions := []string{}
keyVersionReq := &kmspb.ListCryptoKeyVersionsRequest{
Parent: key.Name,
}
it := kmsClient.ListCryptoKeyVersions(ctx, keyVersionReq)
for {
keyVersion, err := it.Next()
if err == iterator.Done {
break
}
Expect(err).To(BeNil(), "Failed to list crypto key versions")
keyVersions = append(keyVersions, keyVersion.Name)
}
// Defer deletion of all key versions
// https://cloud.google.com/kms/docs/destroy-restore
defer func() {
for _, keyVersion := range keyVersions {
destroyKeyReq := &kmspb.DestroyCryptoKeyVersionRequest{
Name: keyVersion,
}
_, err = kmsClient.DestroyCryptoKeyVersion(ctx, destroyKeyReq)
Expect(err).To(BeNil(), "Failed to destroy crypto key version: %v", keyVersion)
}
}()
// Go through volume lifecycle using CMEK-ed PD
// Create Disk
volName := testNamePrefix + string(uuid.NewUUID())
volID, err := controllerClient.CreateVolume(volName, map[string]string{
common.ParameterKeyDiskEncryptionKmsKey: key.Name,
}, defaultSizeGb,
&csi.TopologyRequirement{
Requisite: []*csi.Topology{
{
Segments: map[string]string{common.TopologyKeyZone: z},
},
},
}, nil)
Expect(err).To(BeNil(), "CreateVolume failed with error: %v", err)
// Validate Disk Created
cloudDisk, err := computeService.Disks.Get(p, z, volName).Do()
Expect(err).To(BeNil(), "Could not get disk from cloud directly")
Expect(cloudDisk.Type).To(ContainSubstring(standardDiskType))
Expect(cloudDisk.Status).To(Equal(readyState))
Expect(cloudDisk.SizeGb).To(Equal(defaultSizeGb))
Expect(cloudDisk.Name).To(Equal(volName))
defer func() {
// Delete Disk
err = controllerClient.DeleteVolume(volID)
Expect(err).To(BeNil(), "DeleteVolume failed")
// Validate Disk Deleted
_, err = computeService.Disks.Get(p, z, volName).Do()
Expect(gce.IsGCEError(err, "notFound")).To(BeTrue(), "Expected disk to not be found")
}()
// Test disk works
err = testAttachWriteReadDetach(volID, volName, controllerInstance, controllerClient, false /* readOnly */)
Expect(err).To(BeNil(), "Failed to go through volume lifecycle before revoking CMEK key")
// Revoke CMEK key
// https://cloud.google.com/kms/docs/enable-disable
for _, keyVersion := range keyVersions {
disableReq := &kmspb.UpdateCryptoKeyVersionRequest{
CryptoKeyVersion: &kmspb.CryptoKeyVersion{
Name: keyVersion,
State: kmspb.CryptoKeyVersion_DISABLED,
},
UpdateMask: &fieldmask.FieldMask{
Paths: []string{"state"},
},
}
_, err = kmsClient.UpdateCryptoKeyVersion(ctx, disableReq)
Expect(err).To(BeNil(), "Failed to disable crypto key")
}
// Make sure attach of PD fails
err = testAttachWriteReadDetach(volID, volName, controllerInstance, controllerClient, false /* readOnly */)
Expect(err).ToNot(BeNil(), "Volume lifecycle should have failed, but succeeded")
// Restore CMEK key
for _, keyVersion := range keyVersions {
enableReq := &kmspb.UpdateCryptoKeyVersionRequest{
CryptoKeyVersion: &kmspb.CryptoKeyVersion{
Name: keyVersion,
State: kmspb.CryptoKeyVersion_ENABLED,
},
UpdateMask: &fieldmask.FieldMask{
Paths: []string{"state"},
},
}
_, err = kmsClient.UpdateCryptoKeyVersion(ctx, enableReq)
Expect(err).To(BeNil(), "Failed to enable crypto key")
}
// The controller publish failure in above step would set a backoff condition on the node. Wait suffcient amount of time for the driver to accept new controller publish requests.
time.Sleep(time.Second)
// Make sure attach of PD succeeds
err = testAttachWriteReadDetach(volID, volName, controllerInstance, controllerClient, false /* readOnly */)
Expect(err).To(BeNil(), "Failed to go through volume lifecycle after restoring CMEK key")
})
It("Should create disks, attach them places, and verify List returns correct results", func() {
Expect(testContexts).ToNot(BeEmpty())
testContext := getRandomTestContext()
p, z, _ := testContext.Instance.GetIdentity()
client := testContext.Client
nodeID := testContext.Instance.GetNodeID()
_, volID := createAndValidateUniqueZonalDisk(client, p, z)
defer deleteVolumeOrError(client, volID)
_, secondVolID := createAndValidateUniqueZonalDisk(client, p, z)
defer deleteVolumeOrError(client, secondVolID)
// Attach volID to current instance
err := client.ControllerPublishVolume(volID, nodeID)
Expect(err).To(BeNil(), "Failed ControllerPublishVolume")
defer client.ControllerUnpublishVolume(volID, nodeID)
// List Volumes
volsToNodes, err := client.ListVolumes()
Expect(err).To(BeNil(), "Failed ListVolumes")
// Verify
Expect(volsToNodes[volID]).ToNot(BeNil(), "Couldn't find attached nodes for vol")
Expect(volsToNodes[volID]).To(ContainElement(nodeID), "Couldn't find node in attached nodes for vol")
Expect(volsToNodes[secondVolID]).To(BeNil(), "Second vol ID attached nodes not nil")
})
It("Should create and delete snapshot for RePD in two zones ", func() {
Expect(testContexts).ToNot(BeEmpty())
testContext := getRandomTestContext()
controllerInstance := testContext.Instance
controllerClient := testContext.Client
p, z, _ := controllerInstance.GetIdentity()
region, err := common.GetRegionFromZones([]string{z})
Expect(err).To(BeNil(), "Failed to get region from zones")
// Create Disk
volName := testNamePrefix + string(uuid.NewUUID())
volID, err := controllerClient.CreateVolume(volName, map[string]string{
common.ParameterKeyReplicationType: "regional-pd",
}, defaultRepdSizeGb, nil, nil)
Expect(err).To(BeNil(), "CreateVolume failed with error: %v", err)
// Validate Disk Created
cloudDisk, err := computeService.RegionDisks.Get(p, region, volName).Do()
Expect(err).To(BeNil(), "Could not get disk from cloud directly")
Expect(cloudDisk.Type).To(ContainSubstring(standardDiskType))
Expect(cloudDisk.Status).To(Equal(readyState))
Expect(cloudDisk.SizeGb).To(Equal(defaultRepdSizeGb))
Expect(cloudDisk.Name).To(Equal(volName))
Expect(len(cloudDisk.ReplicaZones)).To(Equal(2))
for _, replicaZone := range cloudDisk.ReplicaZones {
tokens := strings.Split(replicaZone, "/")
actualZone := tokens[len(tokens)-1]
gotRegion, err := common.GetRegionFromZones([]string{actualZone})
Expect(err).To(BeNil(), "failed to get region from actual zone %v", actualZone)
Expect(gotRegion).To(Equal(region), "Got region from replica zone that did not match supplied region")
}
// Create Snapshot
snapshotName := testNamePrefix + string(uuid.NewUUID())
snapshotID, err := controllerClient.CreateSnapshot(snapshotName, volID, nil)
Expect(err).To(BeNil(), "CreateSnapshot failed with error: %v", err)
// Validate Snapshot Created
snapshot, err := computeService.Snapshots.Get(p, snapshotName).Do()
Expect(err).To(BeNil(), "Could not get snapshot from cloud directly")
Expect(snapshot.Name).To(Equal(snapshotName))
err = wait.Poll(10*time.Second, 3*time.Minute, func() (bool, error) {
snapshot, err := computeService.Snapshots.Get(p, snapshotName).Do()
Expect(err).To(BeNil(), "Could not get snapshot from cloud directly")
if snapshot.Status == "READY" {
return true, nil
}
return false, nil
})
Expect(err).To(BeNil(), "Could not wait for snapshot be ready")
defer func() {
// Delete Disk
err := controllerClient.DeleteVolume(volID)
Expect(err).To(BeNil(), "DeleteVolume failed")
// Validate Disk Deleted
_, err = computeService.RegionDisks.Get(p, region, volName).Do()
Expect(gce.IsGCEError(err, "notFound")).To(BeTrue(), "Expected disk to not be found")
// Delete Snapshot
err = controllerClient.DeleteSnapshot(snapshotID)
Expect(err).To(BeNil(), "DeleteSnapshot failed")
// Validate Snapshot Deleted
_, err = computeService.Snapshots.Get(p, snapshotName).Do()
Expect(gce.IsGCEError(err, "notFound")).To(BeTrue(), "Expected snapshot to not be found")
}()
})
It("Should get correct VolumeStats for Block", func() {
testContext := getRandomTestContext()
p, z, _ := testContext.Instance.GetIdentity()
client := testContext.Client
instance := testContext.Instance
volName, volID := createAndValidateUniqueZonalDisk(client, p, z)
defer func() {
// Delete Disk
err := client.DeleteVolume(volID)
Expect(err).To(BeNil(), "DeleteVolume failed")
// Validate Disk Deleted
_, err = computeService.Disks.Get(p, z, volName).Do()
Expect(gce.IsGCEError(err, "notFound")).To(BeTrue(), "Expected disk to not be found")
}()
verifyVolumeStats := func(a verifyArgs) error {
available, capacity, used, inodesFree, inodes, inodesUsed, err := client.NodeGetVolumeStats(volID, a.publishDir)
if err != nil {
return fmt.Errorf("failed to get node volume stats: %v", err)
}
if available != 0 || capacity != common.GbToBytes(defaultSizeGb) || used != 0 ||
inodesFree != 0 || inodes != 0 || inodesUsed != 0 {
return fmt.Errorf("got: available %v, capacity %v, used %v, inodesFree %v, inodes %v, inodesUsed %v -- expected: capacity = %v, available = 0, used = 0, inodesFree = 0, inodes = 0 , inodesUsed = 0",
available, capacity, used, inodesFree, inodes, inodesUsed, common.GbToBytes(defaultSizeGb))
}
return nil
}
// Attach Disk
err := testLifecycleWithVerify(volID, volName, instance, client, false /* readOnly */, true /* block */, verifyVolumeStats, nil)
Expect(err).To(BeNil(), "Failed to go through volume lifecycle")
})
It("Should get correct VolumeStats", func() {
testContext := getRandomTestContext()
p, z, _ := testContext.Instance.GetIdentity()
client := testContext.Client
instance := testContext.Instance
volName, volID := createAndValidateUniqueZonalDisk(client, p, z)
defer func() {
// Delete Disk
err := client.DeleteVolume(volID)
Expect(err).To(BeNil(), "DeleteVolume failed")
// Validate Disk Deleted
_, err = computeService.Disks.Get(p, z, volName).Do()
Expect(gce.IsGCEError(err, "notFound")).To(BeTrue(), "Expected disk to not be found")
}()
verifyVolumeStats := func(a verifyArgs) error {
available, capacity, used, inodesFree, inodes, inodesUsed, err := client.NodeGetVolumeStats(volID, a.publishDir)
if err != nil {
return fmt.Errorf("failed to get node volume stats: %v", err)
}
if !equalWithinEpsilon(available, common.GbToBytes(defaultSizeGb), defaultEpsilon) || !equalWithinEpsilon(capacity, common.GbToBytes(defaultSizeGb), defaultEpsilon) || !equalWithinEpsilon(used, 0, defaultEpsilon) ||
inodesFree == 0 || inodes == 0 || inodesUsed == 0 {
return fmt.Errorf("got: available %v, capacity %v, used %v, inodesFree %v, inodes %v, inodesUsed %v -- expected: available ~= %v, capacity ~= %v, used = 0, inodesFree != 0, inodes != 0 , inodesUsed != 0",
available, capacity, used, inodesFree, inodes, inodesUsed, common.GbToBytes(defaultSizeGb), common.GbToBytes(defaultSizeGb))
}
return nil
}
// Attach Disk
err := testLifecycleWithVerify(volID, volName, instance, client, false /* readOnly */, false /* fs */, verifyVolumeStats, nil)
Expect(err).To(BeNil(), "Failed to go through volume lifecycle")
})
// Pending while multi-writer feature is in Alpha
PIt("Should create and delete multi-writer disk", func() {
Expect(testContexts).ToNot(BeEmpty())
testContext := getRandomTestContext()
p, _, _ := testContext.Instance.GetIdentity()
client := testContext.Client
// Hardcode to us-east1-a while feature is in alpha
zone := "us-east1-a"
// Create and Validate Disk
volName, volID := createAndValidateUniqueZonalMultiWriterDisk(client, p, zone)
defer func() {
// Delete Disk
err := client.DeleteVolume(volID)
Expect(err).To(BeNil(), "DeleteVolume failed")
// Validate Disk Deleted
_, err = computeAlphaService.Disks.Get(p, zone, volName).Do()
Expect(gce.IsGCEError(err, "notFound")).To(BeTrue(), "Expected disk to not be found")
}()
})
// Pending while multi-writer feature is in Alpha
PIt("Should complete entire disk lifecycle with multi-writer disk", func() {
testContext := getRandomTestContext()
p, z, _ := testContext.Instance.GetIdentity()
client := testContext.Client
instance := testContext.Instance
// Create and Validate Disk
volName, volID := createAndValidateUniqueZonalMultiWriterDisk(client, p, z)
defer func() {
// Delete Disk
err := client.DeleteVolume(volID)
Expect(err).To(BeNil(), "DeleteVolume failed")
// Validate Disk Deleted
_, err = computeService.Disks.Get(p, z, volName).Do()
Expect(gce.IsGCEError(err, "notFound")).To(BeTrue(), "Expected disk to not be found")
}()
// Attach Disk
testFileContents := "test"
writeFunc := func(a verifyArgs) error {
err := testutils.WriteBlock(instance, a.publishDir, testFileContents)
if err != nil {
return fmt.Errorf("Failed to write file: %v", err)
}
return nil
}
verifyReadFunc := func(a verifyArgs) error {
readContents, err := testutils.ReadBlock(instance, a.publishDir, len(testFileContents))
if err != nil {
return fmt.Errorf("ReadFile failed with error: %v", err)
}
if strings.TrimSpace(string(readContents)) != testFileContents {
return fmt.Errorf("wanted test file content: %s, got content: %s", testFileContents, readContents)
}
return nil
}
err := testLifecycleWithVerify(volID, volName, instance, client, false /* readOnly */, true /* block */, writeFunc, verifyReadFunc)
Expect(err).To(BeNil(), "Failed to go through volume lifecycle")
})
It("Should successfully create disk with PVC/PV tags", func() {
Expect(testContexts).ToNot(BeEmpty())
testContext := getRandomTestContext()
controllerInstance := testContext.Instance
controllerClient := testContext.Client
p, z, _ := controllerInstance.GetIdentity()
// Create Disk
volName := testNamePrefix + string(uuid.NewUUID())
volID, err := controllerClient.CreateVolume(volName, map[string]string{
common.ParameterKeyPVCName: "test-pvc",
common.ParameterKeyPVCNamespace: "test-pvc-namespace",
common.ParameterKeyPVName: "test-pv-name",
}, defaultSizeGb, nil /* topReq */, nil)
Expect(err).To(BeNil(), "CreateVolume failed with error: %v", err)
// Validate Disk Created
cloudDisk, err := computeService.Disks.Get(p, z, volName).Do()
Expect(err).To(BeNil(), "Could not get disk from cloud directly")
Expect(cloudDisk.Type).To(ContainSubstring(standardDiskType))
Expect(cloudDisk.Status).To(Equal(readyState))
Expect(cloudDisk.SizeGb).To(Equal(defaultSizeGb))
Expect(cloudDisk.Name).To(Equal(volName))
Expect(cloudDisk.Description).To(Equal("{\"kubernetes.io/created-for/pv/name\":\"test-pv-name\",\"kubernetes.io/created-for/pvc/name\":\"test-pvc\",\"kubernetes.io/created-for/pvc/namespace\":\"test-pvc-namespace\",\"storage.gke.io/created-by\":\"pd.csi.storage.gke.io\"}"))
defer func() {
// Delete Disk
controllerClient.DeleteVolume(volID)
Expect(err).To(BeNil(), "DeleteVolume failed")
// Validate Disk Deleted
_, err = computeService.Disks.Get(p, z, volName).Do()
Expect(gce.IsGCEError(err, "notFound")).To(BeTrue(), "Expected disk to not be found")
}()
})
// Use the region of the test location.
It("Should successfully create snapshot with storage locations", func() {
testContext := getRandomTestContext()
p, z, _ := testContext.Instance.GetIdentity()
client := testContext.Client
// Create Disk
volName, volID := createAndValidateUniqueZonalDisk(client, p, z)
// Create Snapshot
snapshotName := testNamePrefix + string(uuid.NewUUID())
// Convert GCP zone to region, e.g. us-central1-a => us-central1
// This is safe because we hardcode the zones.
snapshotLocation := z[:len(z)-2]
snapshotParams := map[string]string{
common.ParameterKeyStorageLocations: snapshotLocation,
common.ParameterKeyVolumeSnapshotName: "test-volumesnapshot-name",
common.ParameterKeyVolumeSnapshotNamespace: "test-volumesnapshot-namespace",
common.ParameterKeyVolumeSnapshotContentName: "test-volumesnapshotcontent-name",
}
snapshotID, err := client.CreateSnapshot(snapshotName, volID, snapshotParams)
Expect(err).To(BeNil(), "CreateSnapshot failed with error: %v", err)
// Validate Snapshot Created
snapshot, err := computeService.Snapshots.Get(p, snapshotName).Do()
Expect(err).To(BeNil(), "Could not get snapshot from cloud directly")
Expect(snapshot.Name).To(Equal(snapshotName))
Expect(snapshot.Description).To(Equal("{\"kubernetes.io/created-for/volumesnapshot/name\":\"test-volumesnapshot-name\",\"kubernetes.io/created-for/volumesnapshot/namespace\":\"test-volumesnapshot-namespace\",\"kubernetes.io/created-for/volumesnapshotcontent/name\":\"test-volumesnapshotcontent-name\",\"storage.gke.io/created-by\":\"pd.csi.storage.gke.io\"}"))
err = wait.Poll(10*time.Second, 3*time.Minute, func() (bool, error) {
snapshot, err := computeService.Snapshots.Get(p, snapshotName).Do()
Expect(err).To(BeNil(), "Could not get snapshot from cloud directly")
if snapshot.Status == "READY" {
return true, nil
}
return false, nil
})
Expect(err).To(BeNil(), "Could not wait for snapshot be ready")
defer func() {
// Delete Disk
err := client.DeleteVolume(volID)
Expect(err).To(BeNil(), "DeleteVolume failed")
// Validate Disk Deleted
_, err = computeService.Disks.Get(p, z, volName).Do()
Expect(gce.IsGCEError(err, "notFound")).To(BeTrue(), "Expected disk to not be found")
// Delete Snapshot
err = client.DeleteSnapshot(snapshotID)
Expect(err).To(BeNil(), "DeleteSnapshot failed")
// Validate Snapshot Deleted
_, err = computeService.Snapshots.Get(p, snapshotName).Do()
Expect(gce.IsGCEError(err, "notFound")).To(BeTrue(), "Expected snapshot to not be found")
}()
})
// Use the region of the test location.
It("Should successfully create snapshot backed by disk image", func() {
testContext := getRandomTestContext()
p, z, _ := testContext.Instance.GetIdentity()
client := testContext.Client
// Create Disk
volName, volID := createAndValidateUniqueZonalDisk(client, p, z)
// Create Snapshot
snapshotName := testNamePrefix + string(uuid.NewUUID())
testImageFamily := "test-family"
snapshotParams := map[string]string{common.ParameterKeySnapshotType: common.DiskImageType, common.ParameterKeyImageFamily: testImageFamily}
snapshotID, err := client.CreateSnapshot(snapshotName, volID, snapshotParams)
Expect(err).To(BeNil(), "CreateSnapshot failed with error: %v", err)
// Validate Snapshot Created
snapshot, err := computeService.Images.Get(p, snapshotName).Do()
Expect(err).To(BeNil(), "Could not get snapshot from cloud directly")
Expect(snapshot.Name).To(Equal(snapshotName))
err = wait.Poll(10*time.Second, 5*time.Minute, func() (bool, error) {
snapshot, err := computeService.Images.Get(p, snapshotName).Do()
Expect(err).To(BeNil(), "Could not get snapshot from cloud directly")
if snapshot.Status == "READY" {
return true, nil
}
return false, nil
})
Expect(err).To(BeNil(), "Could not wait for snapshot be ready")
// Check Snapshot Type
snapshot, err = computeService.Images.Get(p, snapshotName).Do()
Expect(err).To(BeNil(), "Could not get snapshot from cloud directly")
_, snapshotType, _, err := common.SnapshotIDToProjectKey(cleanSelfLink(snapshot.SelfLink))
Expect(err).To(BeNil(), "Failed to parse snapshot ID")
Expect(snapshotType).To(Equal(common.DiskImageType), "Expected images type in snapshot ID")
defer func() {
// Delete Disk