open-nomad/plugins/csi/client_test.go

890 lines
25 KiB
Go

package csi
import (
"context"
"errors"
"fmt"
"testing"
csipbv1 "github.com/container-storage-interface/spec/lib/go/csi"
"github.com/golang/protobuf/ptypes/wrappers"
"github.com/hashicorp/nomad/nomad/structs"
fake "github.com/hashicorp/nomad/plugins/csi/testing"
"github.com/stretchr/testify/require"
"google.golang.org/grpc/codes"
"google.golang.org/grpc/status"
)
func newTestClient() (*fake.IdentityClient, *fake.ControllerClient, *fake.NodeClient, CSIPlugin) {
ic := fake.NewIdentityClient()
cc := fake.NewControllerClient()
nc := fake.NewNodeClient()
client := &client{
identityClient: ic,
controllerClient: cc,
nodeClient: nc,
}
return ic, cc, nc, client
}
func TestClient_RPC_PluginProbe(t *testing.T) {
cases := []struct {
Name string
ResponseErr error
ProbeResponse *csipbv1.ProbeResponse
ExpectedResponse bool
ExpectedErr error
}{
{
Name: "handles underlying grpc errors",
ResponseErr: fmt.Errorf("some grpc error"),
ExpectedErr: fmt.Errorf("some grpc error"),
},
{
Name: "returns false for ready when the provider returns false",
ProbeResponse: &csipbv1.ProbeResponse{
Ready: &wrappers.BoolValue{Value: false},
},
ExpectedResponse: false,
},
{
Name: "returns true for ready when the provider returns true",
ProbeResponse: &csipbv1.ProbeResponse{
Ready: &wrappers.BoolValue{Value: true},
},
ExpectedResponse: true,
},
{
/* When a SP does not return a ready value, a CO MAY treat this as ready.
We do so because example plugins rely on this behaviour. We may
re-evaluate this decision in the future. */
Name: "returns true for ready when the provider returns a nil wrapper",
ProbeResponse: &csipbv1.ProbeResponse{
Ready: nil,
},
ExpectedResponse: true,
},
}
for _, tc := range cases {
t.Run(tc.Name, func(t *testing.T) {
ic, _, _, client := newTestClient()
defer client.Close()
ic.NextErr = tc.ResponseErr
ic.NextPluginProbe = tc.ProbeResponse
resp, err := client.PluginProbe(context.TODO())
if tc.ExpectedErr != nil {
require.EqualError(t, err, tc.ExpectedErr.Error())
}
require.Equal(t, tc.ExpectedResponse, resp)
})
}
}
func TestClient_RPC_PluginInfo(t *testing.T) {
cases := []struct {
Name string
ResponseErr error
InfoResponse *csipbv1.GetPluginInfoResponse
ExpectedResponseName string
ExpectedResponseVersion string
ExpectedErr error
}{
{
Name: "handles underlying grpc errors",
ResponseErr: fmt.Errorf("some grpc error"),
ExpectedErr: fmt.Errorf("some grpc error"),
},
{
Name: "returns an error if we receive an empty `name`",
InfoResponse: &csipbv1.GetPluginInfoResponse{
Name: "",
VendorVersion: "",
},
ExpectedErr: fmt.Errorf("PluginGetInfo: plugin returned empty name field"),
},
{
Name: "returns the name when successfully retrieved and not empty",
InfoResponse: &csipbv1.GetPluginInfoResponse{
Name: "com.hashicorp.storage",
VendorVersion: "1.0.1",
},
ExpectedResponseName: "com.hashicorp.storage",
ExpectedResponseVersion: "1.0.1",
},
}
for _, tc := range cases {
t.Run(tc.Name, func(t *testing.T) {
ic, _, _, client := newTestClient()
defer client.Close()
ic.NextErr = tc.ResponseErr
ic.NextPluginInfo = tc.InfoResponse
name, version, err := client.PluginGetInfo(context.TODO())
if tc.ExpectedErr != nil {
require.EqualError(t, err, tc.ExpectedErr.Error())
}
require.Equal(t, tc.ExpectedResponseName, name)
require.Equal(t, tc.ExpectedResponseVersion, version)
})
}
}
func TestClient_RPC_PluginGetCapabilities(t *testing.T) {
cases := []struct {
Name string
ResponseErr error
Response *csipbv1.GetPluginCapabilitiesResponse
ExpectedResponse *PluginCapabilitySet
ExpectedErr error
}{
{
Name: "handles underlying grpc errors",
ResponseErr: fmt.Errorf("some grpc error"),
ExpectedErr: fmt.Errorf("some grpc error"),
},
{
Name: "HasControllerService is true when it's part of the response",
Response: &csipbv1.GetPluginCapabilitiesResponse{
Capabilities: []*csipbv1.PluginCapability{
{
Type: &csipbv1.PluginCapability_Service_{
Service: &csipbv1.PluginCapability_Service{
Type: csipbv1.PluginCapability_Service_CONTROLLER_SERVICE,
},
},
},
},
},
ExpectedResponse: &PluginCapabilitySet{hasControllerService: true},
},
{
Name: "HasTopologies is true when it's part of the response",
Response: &csipbv1.GetPluginCapabilitiesResponse{
Capabilities: []*csipbv1.PluginCapability{
{
Type: &csipbv1.PluginCapability_Service_{
Service: &csipbv1.PluginCapability_Service{
Type: csipbv1.PluginCapability_Service_VOLUME_ACCESSIBILITY_CONSTRAINTS,
},
},
},
},
},
ExpectedResponse: &PluginCapabilitySet{hasTopologies: true},
},
}
for _, tc := range cases {
t.Run(tc.Name, func(t *testing.T) {
ic, _, _, client := newTestClient()
defer client.Close()
ic.NextErr = tc.ResponseErr
ic.NextPluginCapabilities = tc.Response
resp, err := client.PluginGetCapabilities(context.TODO())
if tc.ExpectedErr != nil {
require.EqualError(t, err, tc.ExpectedErr.Error())
}
require.Equal(t, tc.ExpectedResponse, resp)
})
}
}
func TestClient_RPC_ControllerGetCapabilities(t *testing.T) {
cases := []struct {
Name string
ResponseErr error
Response *csipbv1.ControllerGetCapabilitiesResponse
ExpectedResponse *ControllerCapabilitySet
ExpectedErr error
}{
{
Name: "handles underlying grpc errors",
ResponseErr: fmt.Errorf("some grpc error"),
ExpectedErr: fmt.Errorf("some grpc error"),
},
{
Name: "ignores unknown capabilities",
Response: &csipbv1.ControllerGetCapabilitiesResponse{
Capabilities: []*csipbv1.ControllerServiceCapability{
{
Type: &csipbv1.ControllerServiceCapability_Rpc{
Rpc: &csipbv1.ControllerServiceCapability_RPC{
Type: csipbv1.ControllerServiceCapability_RPC_GET_CAPACITY,
},
},
},
},
},
ExpectedResponse: &ControllerCapabilitySet{},
},
{
Name: "detects list volumes capabilities",
Response: &csipbv1.ControllerGetCapabilitiesResponse{
Capabilities: []*csipbv1.ControllerServiceCapability{
{
Type: &csipbv1.ControllerServiceCapability_Rpc{
Rpc: &csipbv1.ControllerServiceCapability_RPC{
Type: csipbv1.ControllerServiceCapability_RPC_LIST_VOLUMES,
},
},
},
{
Type: &csipbv1.ControllerServiceCapability_Rpc{
Rpc: &csipbv1.ControllerServiceCapability_RPC{
Type: csipbv1.ControllerServiceCapability_RPC_LIST_VOLUMES_PUBLISHED_NODES,
},
},
},
},
},
ExpectedResponse: &ControllerCapabilitySet{
HasListVolumes: true,
HasListVolumesPublishedNodes: true,
},
},
{
Name: "detects publish capabilities",
Response: &csipbv1.ControllerGetCapabilitiesResponse{
Capabilities: []*csipbv1.ControllerServiceCapability{
{
Type: &csipbv1.ControllerServiceCapability_Rpc{
Rpc: &csipbv1.ControllerServiceCapability_RPC{
Type: csipbv1.ControllerServiceCapability_RPC_PUBLISH_READONLY,
},
},
},
{
Type: &csipbv1.ControllerServiceCapability_Rpc{
Rpc: &csipbv1.ControllerServiceCapability_RPC{
Type: csipbv1.ControllerServiceCapability_RPC_PUBLISH_UNPUBLISH_VOLUME,
},
},
},
},
},
ExpectedResponse: &ControllerCapabilitySet{
HasPublishUnpublishVolume: true,
HasPublishReadonly: true,
},
},
}
for _, tc := range cases {
t.Run(tc.Name, func(t *testing.T) {
_, cc, _, client := newTestClient()
defer client.Close()
cc.NextErr = tc.ResponseErr
cc.NextCapabilitiesResponse = tc.Response
resp, err := client.ControllerGetCapabilities(context.TODO())
if tc.ExpectedErr != nil {
require.EqualError(t, err, tc.ExpectedErr.Error())
}
require.Equal(t, tc.ExpectedResponse, resp)
})
}
}
func TestClient_RPC_NodeGetCapabilities(t *testing.T) {
cases := []struct {
Name string
ResponseErr error
Response *csipbv1.NodeGetCapabilitiesResponse
ExpectedResponse *NodeCapabilitySet
ExpectedErr error
}{
{
Name: "handles underlying grpc errors",
ResponseErr: fmt.Errorf("some grpc error"),
ExpectedErr: fmt.Errorf("some grpc error"),
},
{
Name: "ignores unknown capabilities",
Response: &csipbv1.NodeGetCapabilitiesResponse{
Capabilities: []*csipbv1.NodeServiceCapability{
{
Type: &csipbv1.NodeServiceCapability_Rpc{
Rpc: &csipbv1.NodeServiceCapability_RPC{
Type: csipbv1.NodeServiceCapability_RPC_EXPAND_VOLUME,
},
},
},
},
},
ExpectedResponse: &NodeCapabilitySet{},
},
{
Name: "detects stage volumes capability",
Response: &csipbv1.NodeGetCapabilitiesResponse{
Capabilities: []*csipbv1.NodeServiceCapability{
{
Type: &csipbv1.NodeServiceCapability_Rpc{
Rpc: &csipbv1.NodeServiceCapability_RPC{
Type: csipbv1.NodeServiceCapability_RPC_STAGE_UNSTAGE_VOLUME,
},
},
},
},
},
ExpectedResponse: &NodeCapabilitySet{
HasStageUnstageVolume: true,
},
},
}
for _, tc := range cases {
t.Run(tc.Name, func(t *testing.T) {
_, _, nc, client := newTestClient()
defer client.Close()
nc.NextErr = tc.ResponseErr
nc.NextCapabilitiesResponse = tc.Response
resp, err := client.NodeGetCapabilities(context.TODO())
if tc.ExpectedErr != nil {
require.EqualError(t, err, tc.ExpectedErr.Error())
}
require.Equal(t, tc.ExpectedResponse, resp)
})
}
}
func TestClient_RPC_ControllerPublishVolume(t *testing.T) {
cases := []struct {
Name string
Request *ControllerPublishVolumeRequest
ResponseErr error
Response *csipbv1.ControllerPublishVolumeResponse
ExpectedResponse *ControllerPublishVolumeResponse
ExpectedErr error
}{
{
Name: "handles underlying grpc errors",
Request: &ControllerPublishVolumeRequest{ExternalID: "vol", NodeID: "node"},
ResponseErr: status.Errorf(codes.Internal, "some grpc error"),
ExpectedErr: fmt.Errorf("controller plugin returned an internal error, check the plugin allocation logs for more information: rpc error: code = Internal desc = some grpc error"),
},
{
Name: "handles missing NodeID",
Request: &ControllerPublishVolumeRequest{ExternalID: "vol"},
Response: &csipbv1.ControllerPublishVolumeResponse{},
ExpectedErr: fmt.Errorf("missing NodeID"),
},
{
Name: "handles PublishContext == nil",
Request: &ControllerPublishVolumeRequest{
ExternalID: "vol", NodeID: "node"},
Response: &csipbv1.ControllerPublishVolumeResponse{},
ExpectedResponse: &ControllerPublishVolumeResponse{},
},
{
Name: "handles PublishContext != nil",
Request: &ControllerPublishVolumeRequest{ExternalID: "vol", NodeID: "node"},
Response: &csipbv1.ControllerPublishVolumeResponse{
PublishContext: map[string]string{
"com.hashicorp/nomad-node-id": "foobar",
"com.plugin/device": "/dev/sdc1",
},
},
ExpectedResponse: &ControllerPublishVolumeResponse{
PublishContext: map[string]string{
"com.hashicorp/nomad-node-id": "foobar",
"com.plugin/device": "/dev/sdc1",
},
},
},
}
for _, tc := range cases {
t.Run(tc.Name, func(t *testing.T) {
_, cc, _, client := newTestClient()
defer client.Close()
cc.NextErr = tc.ResponseErr
cc.NextPublishVolumeResponse = tc.Response
resp, err := client.ControllerPublishVolume(context.TODO(), tc.Request)
if tc.ExpectedErr != nil {
require.EqualError(t, err, tc.ExpectedErr.Error())
}
require.Equal(t, tc.ExpectedResponse, resp)
})
}
}
func TestClient_RPC_ControllerUnpublishVolume(t *testing.T) {
cases := []struct {
Name string
Request *ControllerUnpublishVolumeRequest
ResponseErr error
Response *csipbv1.ControllerUnpublishVolumeResponse
ExpectedResponse *ControllerUnpublishVolumeResponse
ExpectedErr error
}{
{
Name: "handles underlying grpc errors",
Request: &ControllerUnpublishVolumeRequest{ExternalID: "vol", NodeID: "node"},
ResponseErr: status.Errorf(codes.Internal, "some grpc error"),
ExpectedErr: fmt.Errorf("controller plugin returned an internal error, check the plugin allocation logs for more information: rpc error: code = Internal desc = some grpc error"),
},
{
Name: "handles missing NodeID",
Request: &ControllerUnpublishVolumeRequest{ExternalID: "vol"},
ExpectedErr: fmt.Errorf("missing NodeID"),
ExpectedResponse: nil,
},
{
Name: "handles successful response",
Request: &ControllerUnpublishVolumeRequest{ExternalID: "vol", NodeID: "node"},
ExpectedResponse: &ControllerUnpublishVolumeResponse{},
},
}
for _, tc := range cases {
t.Run(tc.Name, func(t *testing.T) {
_, cc, _, client := newTestClient()
defer client.Close()
cc.NextErr = tc.ResponseErr
cc.NextUnpublishVolumeResponse = tc.Response
resp, err := client.ControllerUnpublishVolume(context.TODO(), tc.Request)
if tc.ExpectedErr != nil {
require.EqualError(t, err, tc.ExpectedErr.Error())
}
require.Equal(t, tc.ExpectedResponse, resp)
})
}
}
func TestClient_RPC_ControllerValidateVolume(t *testing.T) {
cases := []struct {
Name string
AccessType VolumeAccessType
AccessMode VolumeAccessMode
ResponseErr error
Response *csipbv1.ValidateVolumeCapabilitiesResponse
ExpectedErr error
}{
{
Name: "handles underlying grpc errors",
AccessType: VolumeAccessTypeMount,
AccessMode: VolumeAccessModeMultiNodeMultiWriter,
ResponseErr: status.Errorf(codes.Internal, "some grpc error"),
ExpectedErr: fmt.Errorf("controller plugin returned an internal error, check the plugin allocation logs for more information: rpc error: code = Internal desc = some grpc error"),
},
{
Name: "handles success empty capabilities",
AccessType: VolumeAccessTypeMount,
AccessMode: VolumeAccessModeMultiNodeMultiWriter,
Response: &csipbv1.ValidateVolumeCapabilitiesResponse{},
ResponseErr: nil,
ExpectedErr: nil,
},
{
Name: "handles success exact match MountVolume",
AccessType: VolumeAccessTypeMount,
AccessMode: VolumeAccessModeMultiNodeMultiWriter,
Response: &csipbv1.ValidateVolumeCapabilitiesResponse{
Confirmed: &csipbv1.ValidateVolumeCapabilitiesResponse_Confirmed{
VolumeContext: map[string]string{},
VolumeCapabilities: []*csipbv1.VolumeCapability{
{
AccessType: &csipbv1.VolumeCapability_Mount{
Mount: &csipbv1.VolumeCapability_MountVolume{
FsType: "ext4",
MountFlags: []string{"errors=remount-ro", "noatime"},
},
},
AccessMode: &csipbv1.VolumeCapability_AccessMode{
Mode: csipbv1.VolumeCapability_AccessMode_MULTI_NODE_MULTI_WRITER,
},
},
},
},
},
ResponseErr: nil,
ExpectedErr: nil,
},
{
Name: "handles success exact match BlockVolume",
AccessType: VolumeAccessTypeBlock,
AccessMode: VolumeAccessModeMultiNodeMultiWriter,
Response: &csipbv1.ValidateVolumeCapabilitiesResponse{
Confirmed: &csipbv1.ValidateVolumeCapabilitiesResponse_Confirmed{
VolumeCapabilities: []*csipbv1.VolumeCapability{
{
AccessType: &csipbv1.VolumeCapability_Block{
Block: &csipbv1.VolumeCapability_BlockVolume{},
},
AccessMode: &csipbv1.VolumeCapability_AccessMode{
Mode: csipbv1.VolumeCapability_AccessMode_MULTI_NODE_MULTI_WRITER,
},
},
},
},
},
ResponseErr: nil,
ExpectedErr: nil,
},
{
Name: "handles failure AccessMode mismatch",
AccessMode: VolumeAccessModeMultiNodeMultiWriter,
Response: &csipbv1.ValidateVolumeCapabilitiesResponse{
Confirmed: &csipbv1.ValidateVolumeCapabilitiesResponse_Confirmed{
VolumeContext: map[string]string{},
VolumeCapabilities: []*csipbv1.VolumeCapability{
{
AccessType: &csipbv1.VolumeCapability_Block{
Block: &csipbv1.VolumeCapability_BlockVolume{},
},
AccessMode: &csipbv1.VolumeCapability_AccessMode{
Mode: csipbv1.VolumeCapability_AccessMode_SINGLE_NODE_WRITER,
},
},
},
},
},
ResponseErr: nil,
// this is a multierror
ExpectedErr: fmt.Errorf("volume capability validation failed: 1 error occurred:\n\t* requested access mode MULTI_NODE_MULTI_WRITER, got SINGLE_NODE_WRITER\n\n"),
},
{
Name: "handles failure MountFlags mismatch",
AccessType: VolumeAccessTypeMount,
AccessMode: VolumeAccessModeMultiNodeMultiWriter,
Response: &csipbv1.ValidateVolumeCapabilitiesResponse{
Confirmed: &csipbv1.ValidateVolumeCapabilitiesResponse_Confirmed{
VolumeContext: map[string]string{},
VolumeCapabilities: []*csipbv1.VolumeCapability{
{
AccessType: &csipbv1.VolumeCapability_Mount{
Mount: &csipbv1.VolumeCapability_MountVolume{
FsType: "ext4",
MountFlags: []string{},
},
},
AccessMode: &csipbv1.VolumeCapability_AccessMode{
Mode: csipbv1.VolumeCapability_AccessMode_MULTI_NODE_MULTI_WRITER,
},
},
},
},
},
ResponseErr: nil,
// this is a multierror
ExpectedErr: fmt.Errorf("volume capability validation failed: 1 error occurred:\n\t* requested mount flags did not match available capabilities\n\n"),
},
{
Name: "handles failure MountFlags with Block",
AccessType: VolumeAccessTypeBlock,
AccessMode: VolumeAccessModeMultiNodeMultiWriter,
Response: &csipbv1.ValidateVolumeCapabilitiesResponse{
Confirmed: &csipbv1.ValidateVolumeCapabilitiesResponse_Confirmed{
VolumeContext: map[string]string{},
VolumeCapabilities: []*csipbv1.VolumeCapability{
{
AccessType: &csipbv1.VolumeCapability_Mount{
Mount: &csipbv1.VolumeCapability_MountVolume{
FsType: "ext4",
MountFlags: []string{},
},
},
AccessMode: &csipbv1.VolumeCapability_AccessMode{
Mode: csipbv1.VolumeCapability_AccessMode_MULTI_NODE_MULTI_WRITER,
},
},
},
},
},
ResponseErr: nil,
// this is a multierror
ExpectedErr: fmt.Errorf("volume capability validation failed: 1 error occurred:\n\t* 'file-system' access type was not requested but was validated by the controller\n\n"),
},
{
Name: "handles success incomplete no AccessType",
AccessType: VolumeAccessTypeMount,
AccessMode: VolumeAccessModeMultiNodeMultiWriter,
Response: &csipbv1.ValidateVolumeCapabilitiesResponse{
Confirmed: &csipbv1.ValidateVolumeCapabilitiesResponse_Confirmed{
VolumeCapabilities: []*csipbv1.VolumeCapability{
{
AccessMode: &csipbv1.VolumeCapability_AccessMode{
Mode: csipbv1.VolumeCapability_AccessMode_MULTI_NODE_MULTI_WRITER,
},
},
},
},
},
ResponseErr: nil,
ExpectedErr: nil,
},
{
Name: "handles success incomplete no AccessMode",
AccessType: VolumeAccessTypeBlock,
AccessMode: VolumeAccessModeMultiNodeMultiWriter,
Response: &csipbv1.ValidateVolumeCapabilitiesResponse{
Confirmed: &csipbv1.ValidateVolumeCapabilitiesResponse_Confirmed{
VolumeCapabilities: []*csipbv1.VolumeCapability{
{
AccessType: &csipbv1.VolumeCapability_Block{
Block: &csipbv1.VolumeCapability_BlockVolume{},
},
},
},
},
},
ResponseErr: nil,
ExpectedErr: nil,
},
}
for _, tc := range cases {
t.Run(tc.Name, func(t *testing.T) {
_, cc, _, client := newTestClient()
defer client.Close()
requestedCaps := &VolumeCapability{
AccessType: tc.AccessType,
AccessMode: tc.AccessMode,
MountVolume: &structs.CSIMountOptions{ // should be ignored
FSType: "ext4",
MountFlags: []string{"noatime", "errors=remount-ro"},
},
}
req := &ControllerValidateVolumeRequest{
ExternalID: "volumeID",
Secrets: structs.CSISecrets{},
Capabilities: requestedCaps,
Parameters: map[string]string{},
Context: map[string]string{},
}
cc.NextValidateVolumeCapabilitiesResponse = tc.Response
cc.NextErr = tc.ResponseErr
err := client.ControllerValidateCapabilities(context.TODO(), req)
if tc.ExpectedErr != nil {
require.EqualError(t, err, tc.ExpectedErr.Error())
} else {
require.NoError(t, err, tc.Name)
}
})
}
}
func TestClient_RPC_NodeStageVolume(t *testing.T) {
cases := []struct {
Name string
ResponseErr error
Response *csipbv1.NodeStageVolumeResponse
ExpectedErr error
}{
{
Name: "handles underlying grpc errors",
ResponseErr: status.Errorf(codes.AlreadyExists, "some grpc error"),
ExpectedErr: fmt.Errorf("volume \"foo\" is already staged to \"/path\" but with incompatible capabilities for this request: rpc error: code = AlreadyExists desc = some grpc error"),
},
{
Name: "handles success",
ResponseErr: nil,
ExpectedErr: nil,
},
}
for _, tc := range cases {
t.Run(tc.Name, func(t *testing.T) {
_, _, nc, client := newTestClient()
defer client.Close()
nc.NextErr = tc.ResponseErr
nc.NextStageVolumeResponse = tc.Response
err := client.NodeStageVolume(context.TODO(), &NodeStageVolumeRequest{
ExternalID: "foo",
StagingTargetPath: "/path",
VolumeCapability: &VolumeCapability{},
})
if tc.ExpectedErr != nil {
require.EqualError(t, err, tc.ExpectedErr.Error())
} else {
require.Nil(t, err)
}
})
}
}
func TestClient_RPC_NodeUnstageVolume(t *testing.T) {
cases := []struct {
Name string
ResponseErr error
Response *csipbv1.NodeUnstageVolumeResponse
ExpectedErr error
}{
{
Name: "handles underlying grpc errors",
ResponseErr: status.Errorf(codes.Internal, "some grpc error"),
ExpectedErr: fmt.Errorf("node plugin returned an internal error, check the plugin allocation logs for more information: rpc error: code = Internal desc = some grpc error"),
},
{
Name: "handles success",
ResponseErr: nil,
ExpectedErr: nil,
},
}
for _, tc := range cases {
t.Run(tc.Name, func(t *testing.T) {
_, _, nc, client := newTestClient()
defer client.Close()
nc.NextErr = tc.ResponseErr
nc.NextUnstageVolumeResponse = tc.Response
err := client.NodeUnstageVolume(context.TODO(), "foo", "/foo")
if tc.ExpectedErr != nil {
require.EqualError(t, err, tc.ExpectedErr.Error())
} else {
require.Nil(t, err)
}
})
}
}
func TestClient_RPC_NodePublishVolume(t *testing.T) {
cases := []struct {
Name string
Request *NodePublishVolumeRequest
ResponseErr error
Response *csipbv1.NodePublishVolumeResponse
ExpectedErr error
}{
{
Name: "handles underlying grpc errors",
Request: &NodePublishVolumeRequest{
ExternalID: "foo",
TargetPath: "/dev/null",
VolumeCapability: &VolumeCapability{},
},
ResponseErr: status.Errorf(codes.Internal, "some grpc error"),
ExpectedErr: fmt.Errorf("node plugin returned an internal error, check the plugin allocation logs for more information: rpc error: code = Internal desc = some grpc error"),
},
{
Name: "handles success",
Request: &NodePublishVolumeRequest{
ExternalID: "foo",
TargetPath: "/dev/null",
VolumeCapability: &VolumeCapability{},
},
ResponseErr: nil,
ExpectedErr: nil,
},
{
Name: "Performs validation of the publish volume request",
Request: &NodePublishVolumeRequest{
ExternalID: "",
},
ResponseErr: nil,
ExpectedErr: errors.New("validation error: missing volume ID"),
},
}
for _, tc := range cases {
t.Run(tc.Name, func(t *testing.T) {
_, _, nc, client := newTestClient()
defer client.Close()
nc.NextErr = tc.ResponseErr
nc.NextPublishVolumeResponse = tc.Response
err := client.NodePublishVolume(context.TODO(), tc.Request)
if tc.ExpectedErr != nil {
require.EqualError(t, err, tc.ExpectedErr.Error())
} else {
require.Nil(t, err)
}
})
}
}
func TestClient_RPC_NodeUnpublishVolume(t *testing.T) {
cases := []struct {
Name string
ExternalID string
TargetPath string
ResponseErr error
Response *csipbv1.NodeUnpublishVolumeResponse
ExpectedErr error
}{
{
Name: "handles underlying grpc errors",
ExternalID: "foo",
TargetPath: "/dev/null",
ResponseErr: status.Errorf(codes.Internal, "some grpc error"),
ExpectedErr: fmt.Errorf("node plugin returned an internal error, check the plugin allocation logs for more information: rpc error: code = Internal desc = some grpc error"),
},
{
Name: "handles success",
ExternalID: "foo",
TargetPath: "/dev/null",
ResponseErr: nil,
ExpectedErr: nil,
},
{
Name: "Performs validation of the request args - ExternalID",
ResponseErr: nil,
ExpectedErr: errors.New("missing volumeID"),
},
{
Name: "Performs validation of the request args - TargetPath",
ExternalID: "foo",
ResponseErr: nil,
ExpectedErr: errors.New("missing targetPath"),
},
}
for _, tc := range cases {
t.Run(tc.Name, func(t *testing.T) {
_, _, nc, client := newTestClient()
defer client.Close()
nc.NextErr = tc.ResponseErr
nc.NextUnpublishVolumeResponse = tc.Response
err := client.NodeUnpublishVolume(context.TODO(), tc.ExternalID, tc.TargetPath)
if tc.ExpectedErr != nil {
require.EqualError(t, err, tc.ExpectedErr.Error())
} else {
require.Nil(t, err)
}
})
}
}