Update ubuntu version

.github/workflows/pr-check.yaml

@@ -6,28 +6,28 @@ on:
 jobs:
   lint:
     name: Lint
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-24.04
     steps:
-      - name: Setup up Go 1.x
+      - name: Setup up Go 1.23
         uses: actions/setup-go@v5
         with:
-          go-version: "^1.15"
+          go-version: "1.23"
       - name: Check out code
         uses: actions/checkout@v4
       - name: golangci-lint
         uses: golangci/golangci-lint-action@v6
         with:
-          version: v1.58.2
+          version: v1.63.4
           args: --timeout=5m
 
   build:
     name: Test & Build
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-24.04
     steps:
-      - name: Setup up Go 1.x
+      - name: Setup up Go 1.23
         uses: actions/setup-go@v5
         with:
-          go-version: "^1.15"
+          go-version: "1.23"
 
       - name: Check out code
         uses: actions/checkout@v4

.github/workflows/release.yaml

@@ -14,7 +14,7 @@ env:
 jobs:
   push:
     name: Push images
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-24.04
 
     steps:
       - name: Check out code
@@ -67,7 +67,7 @@ jobs:
 
   release:
     name: Release
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-24.04
 
     # Run only if previous job has succeeded
     needs: [push]

go.mod

@@ -1,6 +1,8 @@
 module github.com/shapeblue/cloudstack-csi-driver
 
-go 1.21
+go 1.23
+
+toolchain go1.23.5
 
 require (
 	github.com/apache/cloudstack-go/v2 v2.16.1
@@ -12,6 +14,7 @@ require (
 	golang.org/x/sys v0.20.0
 	golang.org/x/text v0.16.0
 	google.golang.org/grpc v1.65.0
+	google.golang.org/protobuf v1.34.1
 	gopkg.in/gcfg.v1 v1.2.3
 	k8s.io/api v0.29.7
 	k8s.io/apimachinery v0.29.7
@@ -67,7 +70,6 @@ require (
 	golang.org/x/time v0.5.0 // indirect
 	golang.org/x/tools v0.21.1-0.20240508182429-e35e4ccd0d2d // indirect
 	google.golang.org/genproto/googleapis/rpc v0.0.0-20240528184218-531527333157 // indirect
-	google.golang.org/protobuf v1.34.1 // indirect
 	gopkg.in/inf.v0 v0.9.1 // indirect
 	gopkg.in/warnings.v0 v0.1.2 // indirect
 	gopkg.in/yaml.v2 v2.4.0 // indirect

pkg/cloud/cloud.go

@@ -10,6 +10,8 @@ import (
 )
 
 // Interface is the CloudStack client interface.
+
+//nolint:interfacebloat
 type Interface interface {
 	GetNodeInfo(ctx context.Context, vmName string) (*VM, error)
 	GetVMByID(ctx context.Context, vmID string) (*VM, error)
@@ -24,10 +26,12 @@ type Interface interface {
 	DetachVolume(ctx context.Context, volumeID string) error
 	ExpandVolume(ctx context.Context, volumeID string, newSizeInGB int64) error
 
-	CreateVolumeFromSnapshot(ctx context.Context, zoneID, name, domainID, projectID, snapshotID string, sizeInGB int64) (*Volume, error)
+	CreateVolumeFromSnapshot(ctx context.Context, zoneID, name, projectID, snapshotID string, sizeInGB int64) (*Volume, error)
 	GetSnapshotByID(ctx context.Context, snapshotID string) (*Snapshot, error)
-	CreateSnapshot(ctx context.Context, volumeID string) (*Snapshot, error)
+	GetSnapshotByName(ctx context.Context, name string) (*Snapshot, error)
+	CreateSnapshot(ctx context.Context, volumeID, name string) (*Snapshot, error)
 	DeleteSnapshot(ctx context.Context, snapshotID string) error
+	ListSnapshots(ctx context.Context, volumeID, snapshotID string) ([]*Snapshot, error)
 }
 
 // Volume represents a CloudStack volume.
@@ -70,6 +74,7 @@ type VM struct {
 var (
 	ErrNotFound       = errors.New("not found")
 	ErrTooManyResults = errors.New("too many results")
+	ErrAlreadyExists  = errors.New("already exists")
 )
 
 // client is the implementation of Interface.

pkg/cloud/config.go

@@ -3,7 +3,7 @@ package cloud
 import (
 	"fmt"
 
-	"gopkg.in/gcfg.v1"
+	gcfg "gopkg.in/gcfg.v1"
 )
 
 // Config holds CloudStack connection configuration.

pkg/cloud/fake/fake.go

@@ -4,6 +4,7 @@ package fake
 
 import (
 	"context"
+	"errors"
 
 	"github.com/hashicorp/go-uuid"
 
@@ -12,13 +13,13 @@ import (
 )
 
 const zoneID = "a1887604-237c-4212-a9cd-94620b7880fa"
-const snapshotID = "9d076136-657b-4c84-b279-455da3ea484c"
 
 type fakeConnector struct {
-	node          *cloud.VM
-	snapshot      *cloud.Snapshot
-	volumesByID   map[string]cloud.Volume
-	volumesByName map[string]cloud.Volume
+	node            *cloud.VM
+	volumesByID     map[string]cloud.Volume
+	volumesByName   map[string]cloud.Volume
+	snapshotsByID   map[string]*cloud.Snapshot
+	snapshotsByName map[string][]*cloud.Snapshot
 }
 
 // New returns a new fake implementation of the
@@ -38,20 +39,15 @@ func New() cloud.Interface {
 		ZoneID: zoneID,
 	}
 
-	snapshot := &cloud.Snapshot{
-		ID:        "9d076136-657b-4c84-b279-455da3ea484c",
-		Name:      "pvc-vol-snap-1",
-		DomainID:  "51f0fcb5-db16-4637-94f5-30131010214f",
-		ZoneID:    zoneID,
-		VolumeID:  "4f1f610d-6f17-4ff9-9228-e4062af93e54",
-		CreatedAt: "2025-07-07 16:13:06",
-	}
+	snapshotsByID := make(map[string]*cloud.Snapshot)
+	snapshotsByName := make(map[string][]*cloud.Snapshot)
 
 	return &fakeConnector{
-		node:          node,
-		snapshot:      snapshot,
-		volumesByID:   map[string]cloud.Volume{volume.ID: volume},
-		volumesByName: map[string]cloud.Volume{volume.Name: volume},
+		node:            node,
+		volumesByID:     map[string]cloud.Volume{volume.ID: volume},
+		volumesByName:   map[string]cloud.Volume{volume.Name: volume},
+		snapshotsByID:   snapshotsByID,
+		snapshotsByName: snapshotsByName,
 	}
 }
 
@@ -72,6 +68,9 @@ func (f *fakeConnector) ListZonesID(_ context.Context) ([]string, error) {
 }
 
 func (f *fakeConnector) GetVolumeByID(_ context.Context, volumeID string) (*cloud.Volume, error) {
+	if volumeID == "" {
+		return nil, errors.New("invalid volume ID: empty string")
+	}
 	vol, ok := f.volumesByID[volumeID]
 	if ok {
 		return &vol, nil
@@ -81,6 +80,9 @@ func (f *fakeConnector) GetVolumeByID(_ context.Context, volumeID string) (*clou
 }
 
 func (f *fakeConnector) GetVolumeByName(_ context.Context, name string) (*cloud.Volume, error) {
+	if name == "" {
+		return nil, errors.New("invalid volume name: empty string")
+	}
 	vol, ok := f.volumesByName[name]
 	if ok {
 		return &vol, nil
@@ -137,18 +139,120 @@ func (f *fakeConnector) ExpandVolume(_ context.Context, volumeID string, newSize
 	return cloud.ErrNotFound
 }
 
-func (f *fakeConnector) CreateVolumeFromSnapshot(ctx context.Context, zoneID, name, domainID, projectID, snapshotID string, sizeInGB int64) (*cloud.Volume, error) {
-	return nil, nil
+func (f *fakeConnector) CreateVolumeFromSnapshot(_ context.Context, zoneID, name, _, _ string, sizeInGB int64) (*cloud.Volume, error) {
+	vol := &cloud.Volume{
+		ID:             "fake-vol-from-snap-" + name,
+		Name:           name,
+		Size:           util.GigaBytesToBytes(sizeInGB),
+		DiskOfferingID: "fake-disk-offering",
+		ZoneID:         zoneID,
+	}
+	f.volumesByID[vol.ID] = *vol
+	f.volumesByName[vol.Name] = *vol
+
+	return vol, nil
 }
 
-func (f *fakeConnector) GetSnapshotByID(ctx context.Context, snapshotID string) (*cloud.Snapshot, error) {
-	return f.snapshot, nil
+func (f *fakeConnector) CreateSnapshot(_ context.Context, volumeID, name string) (*cloud.Snapshot, error) {
+	if name == "" {
+		return nil, errors.New("invalid snapshot name: empty string")
+	}
+	for _, snap := range f.snapshotsByName[name] {
+		if snap.VolumeID == volumeID {
+			// Allow multiple snapshots with the same name for the same volume
+			continue
+		}
+
+		// Name conflict: same name, different volume
+		return nil, cloud.ErrAlreadyExists
+	}
+	id, _ := uuid.GenerateUUID()
+	newSnap := &cloud.Snapshot{
+		ID:        id,
+		Name:      name,
+		DomainID:  "fake-domain",
+		ZoneID:    zoneID,
+		VolumeID:  volumeID,
+		CreatedAt: "2025-07-07T16:13:06-0700",
+	}
+	f.snapshotsByID[newSnap.ID] = newSnap
+	f.snapshotsByName[name] = append(f.snapshotsByName[name], newSnap)
+
+	return newSnap, nil
 }
 
-func (f *fakeConnector) CreateSnapshot(ctx context.Context, volumeID string) (*cloud.Snapshot, error) {
-	return f.snapshot, nil
+func (f *fakeConnector) GetSnapshotByID(_ context.Context, snapshotID string) (*cloud.Snapshot, error) {
+	snap, ok := f.snapshotsByID[snapshotID]
+	if ok {
+		return snap, nil
+	}
+
+	return nil, cloud.ErrNotFound
 }
 
-func (f *fakeConnector) DeleteSnapshot(ctx context.Context, snapshotID string) error {
+func (f *fakeConnector) GetSnapshotByName(_ context.Context, name string) (*cloud.Snapshot, error) {
+	if name == "" {
+		return nil, errors.New("invalid snapshot name: empty string")
+	}
+	snaps, ok := f.snapshotsByName[name]
+	if ok && len(snaps) > 0 {
+		return snaps[0], nil // Return the first for compatibility
+	}
+
+	return nil, cloud.ErrNotFound
+}
+
+// ListSnapshots returns all matching snapshots; pagination must be handled by the controller.
+func (f *fakeConnector) ListSnapshots(_ context.Context, volumeID, snapshotID string) ([]*cloud.Snapshot, error) {
+	if snapshotID != "" {
+		result := make([]*cloud.Snapshot, 0, 1)
+		if snap, ok := f.snapshotsByID[snapshotID]; ok {
+			result = append(result, snap)
+		}
+
+		return result, nil
+	}
+	if volumeID != "" {
+		count := 0
+		for _, snap := range f.snapshotsByID {
+			if snap.VolumeID == volumeID {
+				count++
+			}
+		}
+		result := make([]*cloud.Snapshot, 0, count)
+		for _, snap := range f.snapshotsByID {
+			if snap.VolumeID == volumeID {
+				result = append(result, snap)
+			}
+		}
+
+		return result, nil
+	}
+	result := make([]*cloud.Snapshot, 0, len(f.snapshotsByID))
+	for _, snap := range f.snapshotsByID {
+		result = append(result, snap)
+	}
+
+	return result, nil
+}
+
+func (f *fakeConnector) DeleteSnapshot(_ context.Context, snapshotID string) error {
+	snap, ok := f.snapshotsByID[snapshotID]
+	if !ok {
+		return cloud.ErrNotFound
+	}
+
+	delete(f.snapshotsByID, snapshotID)
+
+	name := snap.Name
+	snaps := f.snapshotsByName[name]
+	for i, s := range snaps {
+		if s.ID == snapshotID {
+			f.snapshotsByName[name] = append(snaps[:i], snaps[i+1:]...)
+
+			break
+		}
+	}
+
 	return nil
 }