Add csi-sanity tests #2254
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,219 @@ | ||
| // Copyright 2024 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. | ||
|
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| package sanity | ||
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| import ( | ||
| "context" | ||
| "fmt" | ||
| "math/rand" | ||
| "strconv" | ||
| "time" | ||
|
|
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| "github.com/aws/aws-sdk-go-v2/service/ec2" | ||
| "github.com/aws/aws-sdk-go-v2/service/ec2/types" | ||
| "github.com/kubernetes-sigs/aws-ebs-csi-driver/pkg/cloud" | ||
| "github.com/kubernetes-sigs/aws-ebs-csi-driver/pkg/cloud/metadata" | ||
| "github.com/kubernetes-sigs/aws-ebs-csi-driver/pkg/util" | ||
| ) | ||
|
|
||
| var ( | ||
| disks = make(map[string]*cloud.Disk) | ||
| snapshots = make(map[string]*cloud.Snapshot) | ||
| snapshotNameToID = make(map[string]string) | ||
| ) | ||
|
|
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| type FakeCloud struct { | ||
|
There was a problem hiding this comment. np: can make this package-internal |
||
| fakeMetadata metadata.Metadata | ||
| mountPath string | ||
| } | ||
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| func newFakeCloud(fmd metadata.Metadata, mp string) *FakeCloud { | ||
| return &FakeCloud{ | ||
| fakeMetadata: fmd, | ||
| mountPath: mp, | ||
| } | ||
| } | ||
|
|
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| func (d *FakeCloud) CreateDisk(ctx context.Context, volumeID string, diskOptions *cloud.DiskOptions) (*cloud.Disk, error) { | ||
| for _, existingDisk := range disks { | ||
| if existingDisk.VolumeID == volumeID && existingDisk.CapacityGiB != util.BytesToGiB(diskOptions.CapacityBytes) { | ||
| return nil, cloud.ErrAlreadyExists | ||
| } | ||
| } | ||
|
|
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| if diskOptions.SnapshotID != "" { | ||
| if _, exists := snapshots[diskOptions.SnapshotID]; !exists { | ||
| return nil, cloud.ErrNotFound | ||
| } | ||
| newDisk := &cloud.Disk{ | ||
| SnapshotID: diskOptions.SnapshotID, | ||
| VolumeID: volumeID, | ||
| AvailabilityZone: diskOptions.AvailabilityZone, | ||
| CapacityGiB: util.BytesToGiB(diskOptions.CapacityBytes), | ||
| } | ||
| disks[volumeID] = newDisk | ||
| return newDisk, nil | ||
| } | ||
|
|
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| newDisk := &cloud.Disk{ | ||
| VolumeID: volumeID, | ||
| AvailabilityZone: diskOptions.AvailabilityZone, | ||
| CapacityGiB: util.BytesToGiB(diskOptions.CapacityBytes), | ||
| } | ||
| disks[volumeID] = newDisk | ||
| return newDisk, nil | ||
| } | ||
| func (d *FakeCloud) DeleteDisk(ctx context.Context, volumeID string) (bool, error) { | ||
| _, exists := disks[volumeID] | ||
| if !exists { | ||
| return false, cloud.ErrNotFound | ||
| } | ||
| delete(disks, volumeID) | ||
| return true, nil | ||
| } | ||
|
|
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| func (d *FakeCloud) GetDiskByID(ctx context.Context, volumeID string) (*cloud.Disk, error) { | ||
| disk, exists := disks[volumeID] | ||
| if !exists { | ||
| return nil, cloud.ErrNotFound | ||
| } | ||
| return disk, nil | ||
| } | ||
|
|
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| func (d *FakeCloud) CreateSnapshot(ctx context.Context, volumeID string, opts *cloud.SnapshotOptions) (*cloud.Snapshot, error) { | ||
| snapshotID := fmt.Sprintf("snapshot-%d", rand.New(rand.NewSource(time.Now().UnixNano())).Uint64()) | ||
|
|
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| _, exists := snapshots[snapshotID] | ||
| if exists { | ||
| return nil, cloud.ErrAlreadyExists | ||
| } | ||
| newSnapshot := &cloud.Snapshot{ | ||
| SnapshotID: snapshotID, | ||
| SourceVolumeID: volumeID, | ||
| CreationTime: time.Now(), | ||
| ReadyToUse: true, | ||
| } | ||
| snapshots[snapshotID] = newSnapshot | ||
| snapshotNameToID[opts.Tags["CSIVolumeSnapshotName"]] = snapshotID | ||
| return newSnapshot, nil | ||
| } | ||
|
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| func (d *FakeCloud) DeleteSnapshot(ctx context.Context, snapshotID string) (bool, error) { | ||
| if _, exists := snapshots[snapshotID]; !exists { | ||
| return false, cloud.ErrNotFound | ||
| } | ||
| for name, id := range snapshotNameToID { | ||
| if id == snapshotID { | ||
| delete(snapshotNameToID, name) | ||
| break | ||
| } | ||
| } | ||
| delete(snapshots, snapshotID) | ||
| return true, nil | ||
| } | ||
| func (d *FakeCloud) GetSnapshotByID(ctx context.Context, snapshotID string) (*cloud.Snapshot, error) { | ||
| snapshot, exists := snapshots[snapshotID] | ||
| if !exists { | ||
| return nil, cloud.ErrNotFound | ||
| } | ||
| return snapshot, nil | ||
| } | ||
|
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| func (d *FakeCloud) GetSnapshotByName(ctx context.Context, name string) (*cloud.Snapshot, error) { | ||
| if snapshotID, exists := snapshotNameToID[name]; exists { | ||
| return snapshots[snapshotID], nil | ||
| } | ||
| return nil, cloud.ErrNotFound | ||
| } | ||
|
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| func (d *FakeCloud) ListSnapshots(ctx context.Context, sourceVolumeID string, maxResults int32, nextToken string) (*cloud.ListSnapshotsResponse, error) { | ||
| var s []*cloud.Snapshot | ||
| startIndex := 0 | ||
| var err error | ||
|
|
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| if nextToken != "" { | ||
| startIndex, err = strconv.Atoi(nextToken) | ||
| if err != nil { | ||
| return nil, fmt.Errorf("invalid next token %s", nextToken) | ||
| } | ||
| } | ||
| var nextTokenStr string | ||
| count := 0 | ||
| for _, snap := range snapshots { | ||
| if snap.SourceVolumeID == sourceVolumeID || sourceVolumeID == "" { | ||
| if startIndex <= count { | ||
| s = append(s, snap) | ||
| if maxResults > 0 && int32(len(s)) >= maxResults { | ||
| nextTokenStr = strconv.Itoa(startIndex + int(maxResults)) | ||
| break | ||
| } | ||
| } | ||
| count++ | ||
| } | ||
| } | ||
|
|
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| return &cloud.ListSnapshotsResponse{ | ||
| Snapshots: s, | ||
| NextToken: nextTokenStr, | ||
| }, nil | ||
| } | ||
|
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| func (d *FakeCloud) AttachDisk(ctx context.Context, volumeID string, instanceID string) (string, error) { | ||
| _, diskExists := disks[volumeID] | ||
| if !diskExists || instanceID != d.fakeMetadata.InstanceID { | ||
| return "", cloud.ErrNotFound | ||
| } | ||
| return d.mountPath, nil | ||
| } | ||
|
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| func (d *FakeCloud) DetachDisk(ctx context.Context, volumeID string, instanceID string) error { | ||
| _, diskExists := disks[volumeID] | ||
| if !diskExists || instanceID != d.fakeMetadata.InstanceID { | ||
| return cloud.ErrNotFound | ||
| } | ||
| return nil | ||
| } | ||
|
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| func (d *FakeCloud) ResizeOrModifyDisk(ctx context.Context, volumeID string, newSizeBytes int64, modifyOptions *cloud.ModifyDiskOptions) (int32, error) { | ||
| disk, exists := disks[volumeID] | ||
| if !exists { | ||
| return 0, cloud.ErrNotFound | ||
| } | ||
| newSizeGiB := util.BytesToGiB(newSizeBytes) | ||
| disk.CapacityGiB = newSizeGiB | ||
| disks[volumeID] = disk | ||
| realSizeGiB := newSizeGiB | ||
| return realSizeGiB, nil | ||
| } | ||
|
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| func (d *FakeCloud) AvailabilityZones(ctx context.Context) (map[string]struct{}, error) { | ||
| return map[string]struct{}{}, nil | ||
| } | ||
|
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| func (d *FakeCloud) EnableFastSnapshotRestores(ctx context.Context, availabilityZones []string, snapshotID string) (*ec2.EnableFastSnapshotRestoresOutput, error) { | ||
| return &ec2.EnableFastSnapshotRestoresOutput{}, nil | ||
| } | ||
|
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| func (d *FakeCloud) GetDiskByName(ctx context.Context, name string, capacityBytes int64) (*cloud.Disk, error) { | ||
| return &cloud.Disk{}, nil | ||
| } | ||
|
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| func (d *FakeCloud) ModifyTags(ctx context.Context, volumeID string, tagOptions cloud.ModifyTagsOptions) error { | ||
| return nil | ||
| } | ||
|
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| func (d *FakeCloud) WaitForAttachmentState(ctx context.Context, volumeID, expectedState, expectedInstance, expectedDevice string, alreadyAssigned bool) (*types.VolumeAttachment, error) { | ||
| return &types.VolumeAttachment{}, nil | ||
| } | ||
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np: Can make these members of
FakeCloud, instead of package level fields.