Add csi-sanity tests

Makefile

@@ -123,6 +123,10 @@ cluster/uninstall: bin/helm bin/aws
 ## E2E targets
 # Targets to run e2e tests
 
+.PHONY: test-sanity
+test-sanity:
+	go test -v -race ./tests/sanity/...
+
 .PHONY: e2e/single-az
 e2e/single-az: bin/helm bin/ginkgo
 	AWS_AVAILABILITY_ZONES=us-west-2a \

go.mod

@@ -87,6 +87,7 @@ require (
 	github.com/josharian/intern v1.0.0 // indirect
 	github.com/json-iterator/go v1.1.12 // indirect
 	github.com/klauspost/compress v1.17.11 // indirect
+	github.com/kubernetes-csi/csi-test/v5 v5.3.1
 	github.com/kylelemons/godebug v1.1.0 // indirect
 	github.com/mailru/easyjson v0.7.7 // indirect
 	github.com/moby/spdystream v0.5.0 // indirect

go.sum

@@ -227,6 +227,8 @@ github.com/kubernetes-csi/csi-proxy/client v1.1.3 h1:FdGU7NtxGhQX2wTfnuscmThG920
 github.com/kubernetes-csi/csi-proxy/client v1.1.3/go.mod h1:SfK4HVKQdMH5KrffivddAWgX5hl3P5KmnuOTBbDNboU=
 github.com/kubernetes-csi/csi-proxy/v2 v2.0.0-alpha.1 h1:tVPvlL5N5X598hrO3g9rhyoi6h0LP4RpSJlGHItsbEE=
 github.com/kubernetes-csi/csi-proxy/v2 v2.0.0-alpha.1/go.mod h1:pacx+PW7lLlu6kAvpr8Lgq/5fdiAsKxOtXXFHMaLMb8=
+github.com/kubernetes-csi/csi-test/v5 v5.3.1 h1:Wiukp1In+kif+BFo6q2ExjgB+MbrAz4jZWzGfijypuY=
+github.com/kubernetes-csi/csi-test/v5 v5.3.1/go.mod h1:7hA2cSYJ6T8CraEZPA6zqkLZwemjBD54XAnPsPC3VpA=
 github.com/kubernetes-csi/external-snapshotter/client/v4 v4.2.0 h1:nHHjmvjitIiyPlUHk/ofpgvBcNcawJLtf4PYHORLjAA=
 github.com/kubernetes-csi/external-snapshotter/client/v4 v4.2.0/go.mod h1:YBCo4DoEeDndqvAn6eeu0vWM7QdXmHEeI9cFWplmBys=
 github.com/kylelemons/godebug v1.1.0 h1:RPNrshWIDI6G2gRW9EHilWtl7Z6Sb1BR0xunSBf0SNc=

pkg/driver/node.go

@@ -388,6 +388,13 @@ func (d *NodeService) NodeExpandVolume(ctx context.Context, req *csi.NodeExpandV
 			return &csi.NodeExpandVolumeResponse{CapacityBytes: bcap}, nil
 		}
 	}
+	exists, err := d.mounter.PathExists(req.GetVolumePath())
+	if err != nil {
+		return nil, status.Errorf(codes.Internal, "unknown error when stat on %s: %v", req.GetVolumePath(), err)
+	}
+	if !exists {
+		return nil, status.Errorf(codes.NotFound, "path %s does not exist", req.GetVolumePath())
+	}
 
 	deviceName, _, err := d.mounter.GetDeviceNameFromMount(volumePath)
 	if err != nil {

pkg/driver/node_test.go

@@ -2135,6 +2135,7 @@ func TestNodeExpandVolume(t *testing.T) {
 			},
 			mounterMock: func(ctrl *gomock.Controller) *mounter.MockMounter {
 				m := mounter.NewMockMounter(ctrl)
+				m.EXPECT().PathExists(gomock.Eq("/volume/path")).Return(true, nil)
 				m.EXPECT().IsBlockDevice(gomock.Eq("/volume/path")).Return(false, nil)
 				m.EXPECT().GetDeviceNameFromMount(gomock.Eq("/volume/path")).Return("device-name", 1, nil)
 				m.EXPECT().FindDevicePath(gomock.Eq("device-name"), gomock.Eq("vol-test"), gomock.Eq(""), gomock.Eq("us-west-2")).Return("/dev/xvdba", nil)
@@ -2244,6 +2245,7 @@ func TestNodeExpandVolume(t *testing.T) {
 			},
 			mounterMock: func(ctrl *gomock.Controller) *mounter.MockMounter {
 				m := mounter.NewMockMounter(ctrl)
+				m.EXPECT().PathExists(gomock.Eq("/volume/path")).Return(true, nil)
 				m.EXPECT().IsBlockDevice(gomock.Eq("/volume/path")).Return(false, nil)
 				m.EXPECT().GetDeviceNameFromMount(gomock.Eq("/volume/path")).Return("", 0, errors.New("failed to get device name"))
 				return m
@@ -2260,6 +2262,7 @@ func TestNodeExpandVolume(t *testing.T) {
 			},
 			mounterMock: func(ctrl *gomock.Controller) *mounter.MockMounter {
 				m := mounter.NewMockMounter(ctrl)
+				m.EXPECT().PathExists(gomock.Eq("/volume/path")).Return(true, nil)
 				m.EXPECT().IsBlockDevice(gomock.Eq("/volume/path")).Return(false, nil)
 				m.EXPECT().GetDeviceNameFromMount(gomock.Eq("/volume/path")).Return("device-name", 1, nil)
 				m.EXPECT().FindDevicePath(gomock.Eq("device-name"), gomock.Eq("vol-test"), gomock.Eq(""), gomock.Eq("us-west-2")).Return("", errors.New("failed to find device path"))
@@ -2281,6 +2284,7 @@ func TestNodeExpandVolume(t *testing.T) {
 			},
 			mounterMock: func(ctrl *gomock.Controller) *mounter.MockMounter {
 				m := mounter.NewMockMounter(ctrl)
+				m.EXPECT().PathExists(gomock.Eq("/volume/path")).Return(true, nil)
 				m.EXPECT().IsBlockDevice(gomock.Eq("/volume/path")).Return(false, nil)
 				m.EXPECT().GetDeviceNameFromMount(gomock.Eq("/volume/path")).Return("device-name", 1, nil)
 				m.EXPECT().FindDevicePath(gomock.Eq("device-name"), gomock.Eq("vol-test"), gomock.Eq(""), gomock.Eq("us-west-2")).Return("/dev/xvdba", nil)
@@ -2303,6 +2307,7 @@ func TestNodeExpandVolume(t *testing.T) {
 			},
 			mounterMock: func(ctrl *gomock.Controller) *mounter.MockMounter {
 				m := mounter.NewMockMounter(ctrl)
+				m.EXPECT().PathExists(gomock.Eq("/volume/path")).Return(true, nil)
 				m.EXPECT().IsBlockDevice(gomock.Eq("/volume/path")).Return(false, nil)
 				m.EXPECT().GetDeviceNameFromMount(gomock.Eq("/volume/path")).Return("device-name", 1, nil)
 				m.EXPECT().FindDevicePath(gomock.Eq("device-name"), gomock.Eq("vol-test"), gomock.Eq(""), gomock.Eq("us-west-2")).Return("/dev/xvdba", nil)
@@ -2318,6 +2323,22 @@ func TestNodeExpandVolume(t *testing.T) {
 			expectedResp: nil,
 			expectedErr:  status.Error(codes.Internal, "failed to get block capacity on path /volume/path: failed to get block size"),
 		},
+		{
+			name: "get_not_found_error",
+			req: &csi.NodeExpandVolumeRequest{
+				VolumeId:   "vol-test",
+				VolumePath: "/volume/path",
+			},
+			mounterMock: func(ctrl *gomock.Controller) *mounter.MockMounter {
+				m := mounter.NewMockMounter(ctrl)
+				m.EXPECT().PathExists(gomock.Eq("/volume/path")).Return(false, nil)
+				m.EXPECT().IsBlockDevice(gomock.Eq("/volume/path")).Return(false, nil)
+				return m
+			},
+			metadataMock: nil,
+			expectedResp: nil,
+			expectedErr:  status.Errorf(codes.NotFound, "path /volume/path does not exist"),
+		},
 	}
 
 	for _, tc := range testCases {