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controller_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 gceGCEDriver
import (
"fmt"
"math/rand"
"reflect"
"sort"
"testing"
"time"
"github.com/GoogleCloudPlatform/k8s-cloud-provider/pkg/cloud/meta"
"github.com/golang/protobuf/ptypes"
"context"
compute "google.golang.org/api/compute/v1"
"google.golang.org/grpc/codes"
"google.golang.org/grpc/status"
"k8s.io/apimachinery/pkg/util/sets"
csi "github.com/container-storage-interface/spec/lib/go/csi"
"sigs.k8s.io/gcp-compute-persistent-disk-csi-driver/pkg/common"
gce "sigs.k8s.io/gcp-compute-persistent-disk-csi-driver/pkg/gce-cloud-provider/compute"
metadataservice "sigs.k8s.io/gcp-compute-persistent-disk-csi-driver/pkg/gce-cloud-provider/metadata"
)
const (
project = metadataservice.FakeProject
zone = metadataservice.FakeZone
node = "test-node"
driver = "test-driver"
name = "test-name"
)
var (
// Define "normal" parameters
stdCapRange = &csi.CapacityRange{
RequiredBytes: common.GbToBytes(20),
}
stdParams = map[string]string{
common.ParameterKeyType: "test-type",
}
stdTopology = []*csi.Topology{
{
Segments: map[string]string{common.TopologyKeyZone: metadataservice.FakeZone},
},
}
testVolumeId = fmt.Sprintf("projects/%s/zones/%s/disks/%s", project, zone, name)
region, _ = common.GetRegionFromZones([]string{zone})
testRegionalId = fmt.Sprintf("projects/%s/regions/%s/disks/%s", project, region, name)
testSnapshotId = fmt.Sprintf("projects/%s/global/snapshots/%s", project, name)
totalSnapshotsNumber = 5
)
func TestCreateSnapshotArguments(t *testing.T) {
thetime, _ := time.Parse(time.RFC3339, gce.Timestamp)
tp, err := ptypes.TimestampProto(thetime)
if err != nil {
t.Fatalf("Unable to conver time to timestamp: %v", err)
}
// Define test cases
testCases := []struct {
name string
req *csi.CreateSnapshotRequest
expSnapshot *csi.Snapshot
expErrCode codes.Code
}{
{
name: "success default snapshot of zonal disk",
req: &csi.CreateSnapshotRequest{
Name: name,
SourceVolumeId: testVolumeId,
},
expSnapshot: &csi.Snapshot{
SnapshotId: testSnapshotId,
SourceVolumeId: testVolumeId,
CreationTime: tp,
SizeBytes: common.GbToBytes(gce.DiskSizeGb),
ReadyToUse: false,
},
},
{
name: "fail no name",
req: &csi.CreateSnapshotRequest{
Name: "",
SourceVolumeId: testVolumeId,
},
expErrCode: codes.InvalidArgument,
},
{
name: "fail no source volume name",
req: &csi.CreateSnapshotRequest{
Name: name,
SourceVolumeId: "",
},
expErrCode: codes.InvalidArgument,
},
{
name: "fail wrong source volume",
req: &csi.CreateSnapshotRequest{
Name: name,
SourceVolumeId: "/test/wrongname",
},
expErrCode: codes.NotFound,
},
}
for _, tc := range testCases {
t.Logf("test case: %s", tc.name)
// Setup new driver each time so no interference
gceDriver := initGCEDriver(t, nil)
// Start Test
resp, err := gceDriver.cs.CreateSnapshot(context.Background(), tc.req)
//check response
if err != nil {
serverError, ok := status.FromError(err)
if !ok {
t.Fatalf("Could not get error status code from err: %v", serverError)
}
if serverError.Code() != tc.expErrCode {
t.Fatalf("Expected error code: %v, got: %v. err : %v", tc.expErrCode, serverError.Code(), err)
}
continue
}
if tc.expErrCode != codes.OK {
t.Fatalf("Expected error: %v, got no error", tc.expErrCode)
}
// Make sure responses match
snapshot := resp.GetSnapshot()
if snapshot == nil {
// If one is nil but not both
t.Fatalf("Expected snapshot %v, got nil snapshot", tc.expSnapshot)
}
if !reflect.DeepEqual(snapshot, tc.expSnapshot) {
errStr := fmt.Sprintf("Expected snapshot: %#v\n to equal snapshot: %#v\n", snapshot, tc.expSnapshot)
t.Errorf(errStr)
}
}
}
func TestDeleteSnapshot(t *testing.T) {
testCases := []struct {
name string
req *csi.DeleteSnapshotRequest
expErrCode codes.Code
}{
{
name: "valid",
req: &csi.DeleteSnapshotRequest{
SnapshotId: testSnapshotId,
},
},
{
name: "invalid id",
req: &csi.DeleteSnapshotRequest{
SnapshotId: testSnapshotId + "/foo",
},
},
{
name: "empty id",
req: &csi.DeleteSnapshotRequest{
SnapshotId: "",
},
expErrCode: codes.InvalidArgument,
},
}
for _, tc := range testCases {
t.Logf("test case: %s", tc.name)
// Setup new driver each time so no interference
gceDriver := initGCEDriver(t, nil)
_, err := gceDriver.cs.DeleteSnapshot(context.Background(), tc.req)
//check response
if err != nil {
serverError, ok := status.FromError(err)
t.Logf("get server error %v", serverError)
if !ok {
t.Fatalf("Could not get error status code from err: %v", serverError)
}
if serverError.Code() != tc.expErrCode {
t.Fatalf("Expected error code: %v, got: %v. err : %v", tc.expErrCode, serverError.Code(), err)
}
continue
}
if tc.expErrCode != codes.OK {
t.Fatalf("Expected error: %v, got no error", tc.expErrCode)
}
}
}
func TestListSnapshotsArguments(t *testing.T) {
// Define test cases
testCases := []struct {
name string
req *csi.ListSnapshotsRequest
expSnapshots int
expErrCode codes.Code
}{
{
name: "valid",
req: &csi.ListSnapshotsRequest{
SnapshotId: testSnapshotId,
},
expSnapshots: 1,
},
{
name: "invalid id",
req: &csi.ListSnapshotsRequest{
SnapshotId: testSnapshotId + "/foo",
},
expSnapshots: 0,
},
{
name: "no id",
req: &csi.ListSnapshotsRequest{
SnapshotId: "",
},
expSnapshots: totalSnapshotsNumber + 1,
},
}
for _, tc := range testCases {
t.Logf("test case: %s", tc.name)
// Setup new driver each time so no interference
gceDriver := initGCEDriver(t, nil)
createReq := &csi.CreateSnapshotRequest{
Name: name,
SourceVolumeId: testVolumeId,
}
gceDriver.cs.CreateSnapshot(context.Background(), createReq)
for i := 0; i < totalSnapshotsNumber; i++ {
volumeId := fmt.Sprintf("%s%d", testVolumeId, i)
nameId := fmt.Sprintf("%s%d", name, i)
createReq := &csi.CreateSnapshotRequest{
Name: nameId,
SourceVolumeId: volumeId,
}
_, err := gceDriver.cs.CreateSnapshot(context.Background(), createReq)
if err != nil {
t.Errorf("error %v", err)
}
}
// Start Test
resp, err := gceDriver.cs.ListSnapshots(context.Background(), tc.req)
//check response
if err != nil {
serverError, ok := status.FromError(err)
if !ok {
t.Fatalf("Could not get error status code from err: %v", serverError)
}
if serverError.Code() != tc.expErrCode {
t.Fatalf("Expected error code: %v, got: %v. err : %v", tc.expErrCode, serverError.Code(), err)
}
continue
}
if tc.expErrCode != codes.OK {
t.Fatalf("Expected error: %v, got no error", tc.expErrCode)
}
// Make sure responses match
snapshots := resp.GetEntries()
//expectsnapshots := expSnapshot.GetEntries()
if (snapshots == nil || len(snapshots) == 0) && tc.expSnapshots == 0 {
continue
}
if snapshots == nil || len(snapshots) == 0 {
// If one is nil or empty but not both
t.Fatalf("Expected snapshots number %v, got no snapshot", tc.expSnapshots)
}
if len(snapshots) != tc.expSnapshots {
errStr := fmt.Sprintf("Expected snapshot: %#v\n to equal snapshot: %#v\n", snapshots[0].Snapshot, tc.expSnapshots)
t.Errorf(errStr)
}
}
}
func TestCreateVolumeArguments(t *testing.T) {
// Define test cases
testCases := []struct {
name string
req *csi.CreateVolumeRequest
expVol *csi.Volume
expErrCode codes.Code
}{
{
name: "success default",
req: &csi.CreateVolumeRequest{
Name: "test-name",
CapacityRange: stdCapRange,
VolumeCapabilities: stdVolCaps,
Parameters: stdParams,
},
expVol: &csi.Volume{
CapacityBytes: common.GbToBytes(20),
VolumeId: testVolumeId,
VolumeContext: nil,
AccessibleTopology: stdTopology,
},
},
{
name: "success with MULTI_NODE_READER_ONLY",
req: &csi.CreateVolumeRequest{
Name: "test-name",
CapacityRange: stdCapRange,
VolumeCapabilities: createVolumeCapabilities(csi.VolumeCapability_AccessMode_MULTI_NODE_READER_ONLY),
Parameters: stdParams,
},
expVol: &csi.Volume{
CapacityBytes: common.GbToBytes(20),
VolumeId: testVolumeId,
VolumeContext: nil,
AccessibleTopology: stdTopology,
},
},
{
name: "fail with MULTI_NODE_MULTI_WRITER capability",
req: &csi.CreateVolumeRequest{
Name: "test-name",
CapacityRange: stdCapRange,
VolumeCapabilities: createVolumeCapabilities(csi.VolumeCapability_AccessMode_MULTI_NODE_MULTI_WRITER),
Parameters: stdParams,
},
expErrCode: codes.InvalidArgument,
},
{
name: "fail no name",
req: &csi.CreateVolumeRequest{
Name: "",
CapacityRange: stdCapRange,
VolumeCapabilities: stdVolCaps,
Parameters: stdParams,
},
expErrCode: codes.InvalidArgument,
},
{
name: "success no capacity range",
req: &csi.CreateVolumeRequest{
Name: "test-name",
VolumeCapabilities: stdVolCaps,
Parameters: stdParams,
},
expVol: &csi.Volume{
CapacityBytes: MinimumVolumeSizeInBytes,
VolumeId: testVolumeId,
VolumeContext: nil,
AccessibleTopology: stdTopology,
},
},
{
name: "fail no capabilities",
req: &csi.CreateVolumeRequest{
Name: "test-name",
CapacityRange: stdCapRange,
Parameters: stdParams,
},
expErrCode: codes.InvalidArgument,
},
{
name: "success no params",
req: &csi.CreateVolumeRequest{
Name: "test-name",
CapacityRange: stdCapRange,
VolumeCapabilities: stdVolCaps,
},
expVol: &csi.Volume{
CapacityBytes: common.GbToBytes(20),
VolumeId: testVolumeId,
VolumeContext: nil,
AccessibleTopology: stdTopology,
},
},
{
name: "success with random secrets",
req: &csi.CreateVolumeRequest{
Name: "test-name",
CapacityRange: stdCapRange,
VolumeCapabilities: stdVolCaps,
Parameters: stdParams,
Secrets: map[string]string{"key1": "this is a random", "crypto": "secret"},
},
expVol: &csi.Volume{
CapacityBytes: common.GbToBytes(20),
VolumeId: testVolumeId,
VolumeContext: nil,
AccessibleTopology: stdTopology,
},
},
{
name: "success with topology",
req: &csi.CreateVolumeRequest{
Name: "test-name",
CapacityRange: stdCapRange,
VolumeCapabilities: stdVolCaps,
Parameters: map[string]string{"type": "test-type"},
AccessibilityRequirements: &csi.TopologyRequirement{
Requisite: []*csi.Topology{
{
Segments: map[string]string{common.TopologyKeyZone: "topology-zone"},
},
},
},
},
expVol: &csi.Volume{
CapacityBytes: common.GbToBytes(20),
VolumeId: fmt.Sprintf("projects/%s/zones/topology-zone/disks/%s", metadataservice.FakeProject, name),
VolumeContext: nil,
AccessibleTopology: []*csi.Topology{
{
Segments: map[string]string{common.TopologyKeyZone: "topology-zone"},
},
},
},
},
{
name: "success with picking first preferred topology",
req: &csi.CreateVolumeRequest{
Name: "test-name",
CapacityRange: stdCapRange,
VolumeCapabilities: stdVolCaps,
Parameters: map[string]string{"type": "test-type"},
AccessibilityRequirements: &csi.TopologyRequirement{
Requisite: []*csi.Topology{
{
Segments: map[string]string{common.TopologyKeyZone: "topology-zone3"},
},
{
Segments: map[string]string{common.TopologyKeyZone: "topology-zone1"},
},
{
Segments: map[string]string{common.TopologyKeyZone: "topology-zone2"},
},
},
Preferred: []*csi.Topology{
{
Segments: map[string]string{common.TopologyKeyZone: "topology-zone2"},
},
{
Segments: map[string]string{common.TopologyKeyZone: "topology-zone3"},
},
{
Segments: map[string]string{common.TopologyKeyZone: "topology-zone1"},
},
},
},
},
expVol: &csi.Volume{
CapacityBytes: common.GbToBytes(20),
VolumeId: fmt.Sprintf("projects/%s/zones/topology-zone2/disks/%s", metadataservice.FakeProject, name),
VolumeContext: nil,
AccessibleTopology: []*csi.Topology{
{
Segments: map[string]string{common.TopologyKeyZone: "topology-zone2"},
},
},
},
},
{
name: "fail with extra topology",
req: &csi.CreateVolumeRequest{
Name: "test-name",
CapacityRange: stdCapRange,
VolumeCapabilities: stdVolCaps,
Parameters: stdParams,
AccessibilityRequirements: &csi.TopologyRequirement{
Requisite: []*csi.Topology{
{
Segments: map[string]string{"ooblezoners": "topology-zone", common.TopologyKeyZone: "top-zone"},
},
},
},
},
expErrCode: codes.InvalidArgument,
},
{
name: "fail with missing topology zone",
req: &csi.CreateVolumeRequest{
Name: "test-name",
CapacityRange: stdCapRange,
VolumeCapabilities: stdVolCaps,
Parameters: stdParams,
AccessibilityRequirements: &csi.TopologyRequirement{
Requisite: []*csi.Topology{
{
Segments: map[string]string{},
},
},
},
},
expErrCode: codes.InvalidArgument,
},
// RePD Tests
{
name: "success with topology with repd",
req: &csi.CreateVolumeRequest{
Name: name,
CapacityRange: stdCapRange,
VolumeCapabilities: stdVolCaps,
Parameters: map[string]string{common.ParameterKeyReplicationType: replicationTypeRegionalPD},
AccessibilityRequirements: &csi.TopologyRequirement{
Preferred: []*csi.Topology{
{
Segments: map[string]string{common.TopologyKeyZone: region + "-c"},
},
{
Segments: map[string]string{common.TopologyKeyZone: region + "-b"},
},
},
},
},
expVol: &csi.Volume{
CapacityBytes: common.GbToBytes(20),
VolumeId: testRegionalId,
VolumeContext: nil,
AccessibleTopology: []*csi.Topology{
{
Segments: map[string]string{common.TopologyKeyZone: region + "-c"},
},
{
Segments: map[string]string{common.TopologyKeyZone: region + "-b"},
},
},
},
},
{
name: "fail not enough topology with repd",
req: &csi.CreateVolumeRequest{
Name: name,
CapacityRange: stdCapRange,
VolumeCapabilities: stdVolCaps,
Parameters: map[string]string{
common.ParameterKeyReplicationType: replicationTypeRegionalPD,
},
AccessibilityRequirements: &csi.TopologyRequirement{
Requisite: []*csi.Topology{
{
Segments: map[string]string{common.TopologyKeyZone: region + "-c"},
},
},
Preferred: []*csi.Topology{
{
Segments: map[string]string{common.TopologyKeyZone: region + "-c"},
},
},
},
},
expErrCode: codes.InvalidArgument,
},
{
name: "success with no toplogy specified with repd",
req: &csi.CreateVolumeRequest{
Name: name,
CapacityRange: stdCapRange,
VolumeCapabilities: stdVolCaps,
Parameters: map[string]string{
common.ParameterKeyReplicationType: replicationTypeRegionalPD,
},
},
expVol: &csi.Volume{
CapacityBytes: common.GbToBytes(20),
VolumeId: testRegionalId,
VolumeContext: nil,
AccessibleTopology: []*csi.Topology{
{
Segments: map[string]string{common.TopologyKeyZone: metadataservice.FakeZone},
},
{
Segments: map[string]string{common.TopologyKeyZone: "country-region-fakesecondzone"},
},
},
},
},
{
name: "success with block volume capability",
req: &csi.CreateVolumeRequest{
Name: name,
CapacityRange: stdCapRange,
VolumeCapabilities: []*csi.VolumeCapability{
{
AccessType: &csi.VolumeCapability_Block{
Block: &csi.VolumeCapability_BlockVolume{},
},
AccessMode: &csi.VolumeCapability_AccessMode{
Mode: csi.VolumeCapability_AccessMode_SINGLE_NODE_WRITER,
},
},
},
},
expVol: &csi.Volume{
CapacityBytes: common.GbToBytes(20),
VolumeId: testVolumeId,
VolumeContext: nil,
AccessibleTopology: stdTopology,
},
},
{
name: "fail with both mount and block volume capability",
req: &csi.CreateVolumeRequest{
Name: name,
CapacityRange: stdCapRange,
VolumeCapabilities: []*csi.VolumeCapability{
{
AccessType: &csi.VolumeCapability_Mount{
Mount: &csi.VolumeCapability_MountVolume{},
},
AccessMode: &csi.VolumeCapability_AccessMode{
Mode: csi.VolumeCapability_AccessMode_SINGLE_NODE_WRITER,
},
},
{
AccessType: &csi.VolumeCapability_Block{
Block: &csi.VolumeCapability_BlockVolume{},
},
AccessMode: &csi.VolumeCapability_AccessMode{
Mode: csi.VolumeCapability_AccessMode_SINGLE_NODE_WRITER,
},
},
},
},
expErrCode: codes.InvalidArgument,
},
{
name: "success with disk encryption kms key",
req: &csi.CreateVolumeRequest{
Name: name,
CapacityRange: stdCapRange,
VolumeCapabilities: stdVolCaps,
Parameters: map[string]string{
common.ParameterKeyDiskEncryptionKmsKey: "projects/KMS_PROJECT_ID/locations/REGION/keyRings/KEY_RING/cryptoKeys/KEY",
},
},
expVol: &csi.Volume{
CapacityBytes: common.GbToBytes(20),
VolumeId: testVolumeId,
VolumeContext: nil,
AccessibleTopology: stdTopology,
},
},
}
// Run test cases
for _, tc := range testCases {
t.Logf("test case: %s", tc.name)
// Setup new driver each time so no interference
gceDriver := initGCEDriver(t, nil)
//gceDriver.cs.CloudProvider.CreateSnapshot(context.Background, )
// Start Test
resp, err := gceDriver.cs.CreateVolume(context.Background(), tc.req)
//check response
if err != nil {
serverError, ok := status.FromError(err)
if !ok {
t.Fatalf("Could not get error status code from err: %v", serverError)
}
if serverError.Code() != tc.expErrCode {
t.Fatalf("Expected error code: %v, got: %v. err : %v", tc.expErrCode, serverError.Code(), err)
}
continue
}
if tc.expErrCode != codes.OK {
t.Fatalf("Expected error: %v, got no error", tc.expErrCode)
}
// Make sure responses match
vol := resp.GetVolume()
if vol == nil {
// If one is nil but not both
t.Fatalf("Expected volume %v, got nil volume", tc.expVol)
}
if !reflect.DeepEqual(vol, tc.expVol) {
errStr := fmt.Sprintf("Expected volume: %#v\nTopology %#v\n\n to equal volume: %#v\nTopology %#v\n\n",
vol, vol.GetAccessibleTopology()[0], tc.expVol, tc.expVol.GetAccessibleTopology()[0])
if len(vol.GetAccessibleTopology()) != len(tc.expVol.GetAccessibleTopology()) {
t.Errorf("Accessible topologies are not the same length, got %v, expected %v", len(vol.GetAccessibleTopology()), len(tc.expVol.GetAccessibleTopology()))
}
for i := 0; i < len(vol.GetAccessibleTopology()); i++ {
errStr = errStr + fmt.Sprintf("Got topology %#v\nExpected toplogy %#v\n\n", vol.GetAccessibleTopology()[i], tc.expVol.GetAccessibleTopology()[i])
}
t.Errorf(errStr)
}
}
}
func TestCreateVolumeWithVolumeSource(t *testing.T) {
// Define test cases
testCases := []struct {
name string
volKey *meta.Key
snapshotOnCloud bool
expErrCode codes.Code
}{
{
name: "success with data source of snapshot type",
volKey: meta.ZonalKey("my-disk", zone),
snapshotOnCloud: true,
},
{
name: "fail with data source of snapshot type that doesn't exist",
volKey: meta.ZonalKey("my-disk", zone),
snapshotOnCloud: false,
expErrCode: codes.NotFound,
},
}
// Run test cases
for _, tc := range testCases {
t.Logf("test case: %s", tc.name)
// Setup new driver each time so no interference
gceDriver := initGCEDriver(t, nil)
//gceDriver.cs.CloudProvider.CreateSnapshot(context.Background, )
// Start Test
req := &csi.CreateVolumeRequest{
Name: "test-name",
CapacityRange: stdCapRange,
VolumeCapabilities: stdVolCaps,
VolumeContentSource: &csi.VolumeContentSource{
Type: &csi.VolumeContentSource_Snapshot{
Snapshot: &csi.VolumeContentSource_SnapshotSource{
SnapshotId: testSnapshotId,
},
},
},
}
if tc.snapshotOnCloud {
gceDriver.cs.CloudProvider.CreateSnapshot(context.Background(), tc.volKey, name)
}
resp, err := gceDriver.cs.CreateVolume(context.Background(), req)
//check response
if err != nil {
serverError, ok := status.FromError(err)
if !ok {
t.Fatalf("Could not get error status code from err: %v", serverError)
}
if serverError.Code() != tc.expErrCode {
t.Fatalf("Expected error code: %v, got: %v. err : %v", tc.expErrCode, serverError.Code(), err)
}
continue
}
if tc.expErrCode != codes.OK {
t.Fatalf("Expected error: %v, got no error", tc.expErrCode)
}
// Make sure response has snapshot
vol := resp.GetVolume()
if vol.ContentSource == nil || vol.ContentSource.Type == nil || vol.ContentSource.GetSnapshot() == nil || vol.ContentSource.GetSnapshot().SnapshotId == "" {
t.Fatalf("Expected volume content source to have snapshot ID, got none")
}
}
}
func TestCreateVolumeRandomRequisiteTopology(t *testing.T) {
req := &csi.CreateVolumeRequest{
Name: "test-name",
CapacityRange: stdCapRange,
VolumeCapabilities: stdVolCaps,
Parameters: map[string]string{"type": "test-type"},
AccessibilityRequirements: &csi.TopologyRequirement{
Requisite: []*csi.Topology{
{
Segments: map[string]string{common.TopologyKeyZone: "topology-zone3"},
},
{
Segments: map[string]string{common.TopologyKeyZone: "topology-zone1"},
},
{
Segments: map[string]string{common.TopologyKeyZone: "topology-zone2"},
},
},
},
}
gceDriver := initGCEDriver(t, nil)
tZones := map[string]bool{}
// Start Test
for i := 0; i < 25; i++ {
resp, err := gceDriver.cs.CreateVolume(context.Background(), req)
if err != nil {
t.Fatalf("CreateVolume did not expect error, but got %v", err)
}
tZone, ok := resp.GetVolume().GetAccessibleTopology()[0].GetSegments()[common.TopologyKeyZone]
if !ok {
t.Fatalf("Could not find topology zone in response")
}
tZones[tZone] = true
}
// We expect that we should have picked all 3 topology zones here
if len(tZones) != 3 {
t.Fatalf("Expected all 3 topology zones to be rotated through, got only: %v", tZones)
}
}
func createZonalCloudDisk(name string) *gce.CloudDisk {
return gce.ZonalCloudDisk(&compute.Disk{
Name: name,
})
}
func TestDeleteVolume(t *testing.T) {
testCases := []struct {
name string
seedDisks []*gce.CloudDisk
req *csi.DeleteVolumeRequest
expErr bool
}{
{
name: "valid",
seedDisks: []*gce.CloudDisk{
createZonalCloudDisk(name),
},
req: &csi.DeleteVolumeRequest{
VolumeId: testVolumeId,
},
},
{
name: "invalid id",
req: &csi.DeleteVolumeRequest{
VolumeId: testVolumeId + "/foo",
},
expErr: false,
},
{
name: "repairable ID",
seedDisks: []*gce.CloudDisk{
createZonalCloudDisk(name),
},
req: &csi.DeleteVolumeRequest{
VolumeId: common.GenerateUnderspecifiedVolumeID(name, true /* isZonal */),
},
expErr: false,
},
{
name: "non-repairable ID",
seedDisks: []*gce.CloudDisk{
createZonalCloudDisk("nottherightname"),
},
req: &csi.DeleteVolumeRequest{
VolumeId: common.GenerateUnderspecifiedVolumeID(name, true /* isZonal */),
},
expErr: true,
},
}
for _, tc := range testCases {
t.Logf("test case: %s", tc.name)
// Setup new driver each time so no interference
gceDriver := initGCEDriver(t, tc.seedDisks)
_, err := gceDriver.cs.DeleteVolume(context.Background(), tc.req)
if err == nil && tc.expErr {
t.Errorf("Expected error but got none")
}
if err != nil && !tc.expErr {
t.Errorf("Did not expect error but got: %v", err)
}
if err != nil {
continue
}
}
}
func TestGetRequestCapacity(t *testing.T) {
testCases := []struct {
name string
capRange *csi.CapacityRange
expCap int64
expErr bool
}{
{
name: "nil cap range",
capRange: nil,
expCap: MinimumVolumeSizeInBytes,
},
{
name: "success: required below min",
capRange: &csi.CapacityRange{
RequiredBytes: MinimumVolumeSizeInBytes - 1,
},
expCap: MinimumVolumeSizeInBytes,
},
{
name: "success: required equals min",
capRange: &csi.CapacityRange{
RequiredBytes: MinimumVolumeSizeInBytes,
},
expCap: MinimumVolumeSizeInBytes,
},
{
name: "success: required above min",
capRange: &csi.CapacityRange{
RequiredBytes: MinimumVolumeSizeInBytes + 1,
},
expCap: MinimumVolumeSizeInBytes + 1,
},
{
name: "fail: limit below min",
capRange: &csi.CapacityRange{
LimitBytes: MinimumVolumeSizeInBytes - 1,
},
expErr: true,
},
{
name: "success: limit equal min",
capRange: &csi.CapacityRange{
LimitBytes: MinimumVolumeSizeInBytes,
},
expCap: MinimumVolumeSizeInBytes,
},
{
name: "success: limit above min",
capRange: &csi.CapacityRange{
LimitBytes: MinimumVolumeSizeInBytes + 1,
},
expCap: MinimumVolumeSizeInBytes,
},
{
name: "success: fully specified both above min",
capRange: &csi.CapacityRange{
RequiredBytes: common.GbToBytes(20),
LimitBytes: common.GbToBytes(50),
},
expCap: common.GbToBytes(20),
},
{
name: "success: fully specified required below min",
capRange: &csi.CapacityRange{
RequiredBytes: MinimumVolumeSizeInBytes - 1,
LimitBytes: common.GbToBytes(50),
},
expCap: MinimumVolumeSizeInBytes,
},
{
name: "success: fully specified both below min",
capRange: &csi.CapacityRange{
RequiredBytes: MinimumVolumeSizeInBytes - 2,
LimitBytes: MinimumVolumeSizeInBytes - 1,
},
expErr: true,
},
{
name: "fail: limit less than required",
capRange: &csi.CapacityRange{
RequiredBytes: common.GbToBytes(50),
LimitBytes: common.GbToBytes(20),
},
expErr: true,
},
{
name: "fail: limit less than required below min",
capRange: &csi.CapacityRange{
RequiredBytes: MinimumVolumeSizeInBytes - 2,
LimitBytes: MinimumVolumeSizeInBytes - 3,
},
expErr: true,
},
}
for _, tc := range testCases {
t.Logf("test case: %s", tc.name)
gotCap, err := getRequestCapacity(tc.capRange)
if err == nil && tc.expErr {
t.Fatalf("Expected error but got none")
}
if err != nil && !tc.expErr {
t.Fatalf("Did not expect error but got: %v", err)
}
if err != nil {
continue
}
if gotCap != tc.expCap {