618 lines
20 KiB
Go
618 lines
20 KiB
Go
package nomad
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import (
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"fmt"
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"net/rpc"
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"testing"
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"time"
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memdb "github.com/hashicorp/go-memdb"
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msgpackrpc "github.com/hashicorp/net-rpc-msgpackrpc"
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"github.com/hashicorp/nomad/ci"
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"github.com/hashicorp/nomad/client"
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"github.com/hashicorp/nomad/client/config"
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cstructs "github.com/hashicorp/nomad/client/structs"
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"github.com/hashicorp/nomad/helper/uuid"
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"github.com/hashicorp/nomad/nomad/mock"
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"github.com/hashicorp/nomad/nomad/structs"
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"github.com/hashicorp/nomad/testutil"
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"github.com/stretchr/testify/require"
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)
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// MockClientCSI is a mock for the nomad.ClientCSI RPC server (see
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// nomad/client_csi_endpoint.go). This can be used with a TestRPCOnlyClient to
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// return specific plugin responses back to server RPCs for testing. Note that
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// responses that have no bodies have no "Next*Response" field and will always
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// return an empty response body.
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type MockClientCSI struct {
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NextValidateError error
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NextAttachError error
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NextAttachResponse *cstructs.ClientCSIControllerAttachVolumeResponse
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NextDetachError error
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NextCreateError error
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NextCreateResponse *cstructs.ClientCSIControllerCreateVolumeResponse
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NextDeleteError error
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NextListExternalError error
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NextListExternalResponse *cstructs.ClientCSIControllerListVolumesResponse
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NextCreateSnapshotError error
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NextCreateSnapshotResponse *cstructs.ClientCSIControllerCreateSnapshotResponse
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NextDeleteSnapshotError error
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NextListExternalSnapshotsError error
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NextListExternalSnapshotsResponse *cstructs.ClientCSIControllerListSnapshotsResponse
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NextNodeDetachError error
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}
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func newMockClientCSI() *MockClientCSI {
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return &MockClientCSI{
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NextAttachResponse: &cstructs.ClientCSIControllerAttachVolumeResponse{},
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NextCreateResponse: &cstructs.ClientCSIControllerCreateVolumeResponse{},
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NextListExternalResponse: &cstructs.ClientCSIControllerListVolumesResponse{},
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NextCreateSnapshotResponse: &cstructs.ClientCSIControllerCreateSnapshotResponse{},
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NextListExternalSnapshotsResponse: &cstructs.ClientCSIControllerListSnapshotsResponse{},
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}
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}
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func (c *MockClientCSI) ControllerValidateVolume(req *cstructs.ClientCSIControllerValidateVolumeRequest, resp *cstructs.ClientCSIControllerValidateVolumeResponse) error {
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return c.NextValidateError
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}
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func (c *MockClientCSI) ControllerAttachVolume(req *cstructs.ClientCSIControllerAttachVolumeRequest, resp *cstructs.ClientCSIControllerAttachVolumeResponse) error {
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*resp = *c.NextAttachResponse
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return c.NextAttachError
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}
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func (c *MockClientCSI) ControllerDetachVolume(req *cstructs.ClientCSIControllerDetachVolumeRequest, resp *cstructs.ClientCSIControllerDetachVolumeResponse) error {
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return c.NextDetachError
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}
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func (c *MockClientCSI) ControllerCreateVolume(req *cstructs.ClientCSIControllerCreateVolumeRequest, resp *cstructs.ClientCSIControllerCreateVolumeResponse) error {
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*resp = *c.NextCreateResponse
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return c.NextCreateError
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}
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func (c *MockClientCSI) ControllerDeleteVolume(req *cstructs.ClientCSIControllerDeleteVolumeRequest, resp *cstructs.ClientCSIControllerDeleteVolumeResponse) error {
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return c.NextDeleteError
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}
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func (c *MockClientCSI) ControllerListVolumes(req *cstructs.ClientCSIControllerListVolumesRequest, resp *cstructs.ClientCSIControllerListVolumesResponse) error {
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*resp = *c.NextListExternalResponse
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return c.NextListExternalError
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}
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func (c *MockClientCSI) ControllerCreateSnapshot(req *cstructs.ClientCSIControllerCreateSnapshotRequest, resp *cstructs.ClientCSIControllerCreateSnapshotResponse) error {
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*resp = *c.NextCreateSnapshotResponse
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return c.NextCreateSnapshotError
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}
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func (c *MockClientCSI) ControllerDeleteSnapshot(req *cstructs.ClientCSIControllerDeleteSnapshotRequest, resp *cstructs.ClientCSIControllerDeleteSnapshotResponse) error {
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return c.NextDeleteSnapshotError
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}
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func (c *MockClientCSI) ControllerListSnapshots(req *cstructs.ClientCSIControllerListSnapshotsRequest, resp *cstructs.ClientCSIControllerListSnapshotsResponse) error {
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*resp = *c.NextListExternalSnapshotsResponse
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return c.NextListExternalSnapshotsError
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}
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func (c *MockClientCSI) NodeDetachVolume(req *cstructs.ClientCSINodeDetachVolumeRequest, resp *cstructs.ClientCSINodeDetachVolumeResponse) error {
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return c.NextNodeDetachError
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}
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func TestClientCSIController_AttachVolume_Local(t *testing.T) {
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ci.Parallel(t)
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require := require.New(t)
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codec, cleanup := setupLocal(t)
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defer cleanup()
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req := &cstructs.ClientCSIControllerAttachVolumeRequest{
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CSIControllerQuery: cstructs.CSIControllerQuery{PluginID: "minnie"},
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}
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var resp structs.GenericResponse
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err := msgpackrpc.CallWithCodec(codec, "ClientCSI.ControllerAttachVolume", req, &resp)
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require.Error(err)
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require.Contains(err.Error(), "no plugins registered for type")
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}
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func TestClientCSIController_AttachVolume_Forwarded(t *testing.T) {
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ci.Parallel(t)
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require := require.New(t)
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codec, cleanup := setupForward(t)
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defer cleanup()
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req := &cstructs.ClientCSIControllerAttachVolumeRequest{
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CSIControllerQuery: cstructs.CSIControllerQuery{PluginID: "minnie"},
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}
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var resp structs.GenericResponse
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err := msgpackrpc.CallWithCodec(codec, "ClientCSI.ControllerAttachVolume", req, &resp)
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require.Error(err)
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require.Contains(err.Error(), "no plugins registered for type")
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}
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func TestClientCSIController_DetachVolume_Local(t *testing.T) {
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ci.Parallel(t)
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require := require.New(t)
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codec, cleanup := setupLocal(t)
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defer cleanup()
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req := &cstructs.ClientCSIControllerDetachVolumeRequest{
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CSIControllerQuery: cstructs.CSIControllerQuery{PluginID: "minnie"},
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}
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var resp structs.GenericResponse
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err := msgpackrpc.CallWithCodec(codec, "ClientCSI.ControllerDetachVolume", req, &resp)
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require.Error(err)
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require.Contains(err.Error(), "no plugins registered for type")
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}
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func TestClientCSIController_DetachVolume_Forwarded(t *testing.T) {
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ci.Parallel(t)
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require := require.New(t)
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codec, cleanup := setupForward(t)
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defer cleanup()
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req := &cstructs.ClientCSIControllerDetachVolumeRequest{
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CSIControllerQuery: cstructs.CSIControllerQuery{PluginID: "minnie"},
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}
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var resp structs.GenericResponse
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err := msgpackrpc.CallWithCodec(codec, "ClientCSI.ControllerDetachVolume", req, &resp)
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require.Error(err)
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require.Contains(err.Error(), "no plugins registered for type")
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}
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func TestClientCSIController_ValidateVolume_Local(t *testing.T) {
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ci.Parallel(t)
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require := require.New(t)
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codec, cleanup := setupLocal(t)
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defer cleanup()
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req := &cstructs.ClientCSIControllerValidateVolumeRequest{
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VolumeID: "test",
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CSIControllerQuery: cstructs.CSIControllerQuery{PluginID: "minnie"},
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}
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var resp structs.GenericResponse
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err := msgpackrpc.CallWithCodec(codec, "ClientCSI.ControllerValidateVolume", req, &resp)
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require.Error(err)
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require.Contains(err.Error(), "no plugins registered for type")
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}
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func TestClientCSIController_ValidateVolume_Forwarded(t *testing.T) {
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ci.Parallel(t)
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require := require.New(t)
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codec, cleanup := setupForward(t)
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defer cleanup()
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req := &cstructs.ClientCSIControllerValidateVolumeRequest{
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VolumeID: "test",
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CSIControllerQuery: cstructs.CSIControllerQuery{PluginID: "minnie"},
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}
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var resp structs.GenericResponse
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err := msgpackrpc.CallWithCodec(codec, "ClientCSI.ControllerValidateVolume", req, &resp)
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require.Error(err)
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require.Contains(err.Error(), "no plugins registered for type")
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}
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func TestClientCSIController_CreateVolume_Local(t *testing.T) {
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ci.Parallel(t)
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require := require.New(t)
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codec, cleanup := setupLocal(t)
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defer cleanup()
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req := &cstructs.ClientCSIControllerCreateVolumeRequest{
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CSIControllerQuery: cstructs.CSIControllerQuery{PluginID: "minnie"},
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}
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var resp structs.GenericResponse
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err := msgpackrpc.CallWithCodec(codec, "ClientCSI.ControllerCreateVolume", req, &resp)
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require.Error(err)
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require.Contains(err.Error(), "no plugins registered for type")
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}
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func TestClientCSIController_CreateVolume_Forwarded(t *testing.T) {
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ci.Parallel(t)
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require := require.New(t)
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codec, cleanup := setupForward(t)
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defer cleanup()
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req := &cstructs.ClientCSIControllerCreateVolumeRequest{
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CSIControllerQuery: cstructs.CSIControllerQuery{PluginID: "minnie"},
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}
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var resp structs.GenericResponse
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err := msgpackrpc.CallWithCodec(codec, "ClientCSI.ControllerCreateVolume", req, &resp)
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require.Error(err)
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require.Contains(err.Error(), "no plugins registered for type")
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}
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func TestClientCSIController_DeleteVolume_Local(t *testing.T) {
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ci.Parallel(t)
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require := require.New(t)
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codec, cleanup := setupLocal(t)
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defer cleanup()
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req := &cstructs.ClientCSIControllerDeleteVolumeRequest{
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ExternalVolumeID: "test",
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CSIControllerQuery: cstructs.CSIControllerQuery{PluginID: "minnie"},
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}
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var resp structs.GenericResponse
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err := msgpackrpc.CallWithCodec(codec, "ClientCSI.ControllerDeleteVolume", req, &resp)
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require.Error(err)
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require.Contains(err.Error(), "no plugins registered for type")
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}
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func TestClientCSIController_DeleteVolume_Forwarded(t *testing.T) {
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ci.Parallel(t)
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require := require.New(t)
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codec, cleanup := setupForward(t)
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defer cleanup()
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req := &cstructs.ClientCSIControllerDeleteVolumeRequest{
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ExternalVolumeID: "test",
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CSIControllerQuery: cstructs.CSIControllerQuery{PluginID: "minnie"},
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}
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var resp structs.GenericResponse
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err := msgpackrpc.CallWithCodec(codec, "ClientCSI.ControllerDeleteVolume", req, &resp)
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require.Error(err)
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require.Contains(err.Error(), "no plugins registered for type")
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}
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func TestClientCSIController_ListVolumes_Local(t *testing.T) {
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ci.Parallel(t)
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require := require.New(t)
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codec, cleanup := setupLocal(t)
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defer cleanup()
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req := &cstructs.ClientCSIControllerListVolumesRequest{
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CSIControllerQuery: cstructs.CSIControllerQuery{PluginID: "minnie"},
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}
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var resp structs.GenericResponse
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err := msgpackrpc.CallWithCodec(codec, "ClientCSI.ControllerListVolumes", req, &resp)
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require.Error(err)
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require.Contains(err.Error(), "no plugins registered for type")
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}
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func TestClientCSIController_ListVolumes_Forwarded(t *testing.T) {
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ci.Parallel(t)
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require := require.New(t)
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codec, cleanup := setupForward(t)
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defer cleanup()
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req := &cstructs.ClientCSIControllerListVolumesRequest{
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CSIControllerQuery: cstructs.CSIControllerQuery{PluginID: "minnie"},
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}
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var resp structs.GenericResponse
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err := msgpackrpc.CallWithCodec(codec, "ClientCSI.ControllerListVolumes", req, &resp)
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require.Error(err)
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require.Contains(err.Error(), "no plugins registered for type")
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}
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func TestClientCSIController_CreateSnapshot_Local(t *testing.T) {
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ci.Parallel(t)
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require := require.New(t)
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codec, cleanup := setupLocal(t)
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defer cleanup()
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req := &cstructs.ClientCSIControllerCreateSnapshotRequest{
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CSIControllerQuery: cstructs.CSIControllerQuery{PluginID: "minnie"},
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}
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var resp structs.GenericResponse
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err := msgpackrpc.CallWithCodec(codec, "ClientCSI.ControllerCreateSnapshot", req, &resp)
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require.Error(err)
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require.Contains(err.Error(), "no plugins registered for type")
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}
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func TestClientCSIController_CreateSnapshot_Forwarded(t *testing.T) {
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ci.Parallel(t)
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require := require.New(t)
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codec, cleanup := setupForward(t)
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defer cleanup()
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req := &cstructs.ClientCSIControllerCreateSnapshotRequest{
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CSIControllerQuery: cstructs.CSIControllerQuery{PluginID: "minnie"},
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}
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var resp structs.GenericResponse
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err := msgpackrpc.CallWithCodec(codec, "ClientCSI.ControllerCreateSnapshot", req, &resp)
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require.Error(err)
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require.Contains(err.Error(), "no plugins registered for type")
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}
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func TestClientCSIController_DeleteSnapshot_Local(t *testing.T) {
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ci.Parallel(t)
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require := require.New(t)
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codec, cleanup := setupLocal(t)
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defer cleanup()
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req := &cstructs.ClientCSIControllerDeleteSnapshotRequest{
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ID: "test",
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CSIControllerQuery: cstructs.CSIControllerQuery{PluginID: "minnie"},
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}
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var resp structs.GenericResponse
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err := msgpackrpc.CallWithCodec(codec, "ClientCSI.ControllerDeleteSnapshot", req, &resp)
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require.Error(err)
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require.Contains(err.Error(), "no plugins registered for type")
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}
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func TestClientCSIController_DeleteSnapshot_Forwarded(t *testing.T) {
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ci.Parallel(t)
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require := require.New(t)
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codec, cleanup := setupForward(t)
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defer cleanup()
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req := &cstructs.ClientCSIControllerDeleteSnapshotRequest{
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ID: "test",
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CSIControllerQuery: cstructs.CSIControllerQuery{PluginID: "minnie"},
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}
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var resp structs.GenericResponse
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err := msgpackrpc.CallWithCodec(codec, "ClientCSI.ControllerDeleteSnapshot", req, &resp)
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require.Error(err)
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require.Contains(err.Error(), "no plugins registered for type")
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}
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func TestClientCSIController_ListSnapshots_Local(t *testing.T) {
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ci.Parallel(t)
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require := require.New(t)
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codec, cleanup := setupLocal(t)
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defer cleanup()
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req := &cstructs.ClientCSIControllerListSnapshotsRequest{
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CSIControllerQuery: cstructs.CSIControllerQuery{PluginID: "minnie"},
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}
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var resp structs.GenericResponse
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err := msgpackrpc.CallWithCodec(codec, "ClientCSI.ControllerListSnapshots", req, &resp)
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require.Error(err)
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require.Contains(err.Error(), "no plugins registered for type")
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}
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func TestClientCSIController_ListSnapshots_Forwarded(t *testing.T) {
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ci.Parallel(t)
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require := require.New(t)
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codec, cleanup := setupForward(t)
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defer cleanup()
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req := &cstructs.ClientCSIControllerListSnapshotsRequest{
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CSIControllerQuery: cstructs.CSIControllerQuery{PluginID: "minnie"},
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}
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var resp structs.GenericResponse
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err := msgpackrpc.CallWithCodec(codec, "ClientCSI.ControllerListSnapshots", req, &resp)
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require.Error(err)
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require.Contains(err.Error(), "no plugins registered for type")
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}
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func TestClientCSI_NodeForControllerPlugin(t *testing.T) {
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ci.Parallel(t)
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srv, shutdown := TestServer(t, func(c *Config) {})
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testutil.WaitForLeader(t, srv.RPC)
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defer shutdown()
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plugins := map[string]*structs.CSIInfo{
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"minnie": {PluginID: "minnie",
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Healthy: true,
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ControllerInfo: &structs.CSIControllerInfo{},
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NodeInfo: &structs.CSINodeInfo{},
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RequiresControllerPlugin: true,
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},
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}
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state := srv.fsm.State()
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node1 := mock.Node()
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node1.Attributes["nomad.version"] = "0.11.0" // client RPCs not supported on early versions
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node1.CSIControllerPlugins = plugins
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node2 := mock.Node()
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node2.CSIControllerPlugins = plugins
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node2.ID = uuid.Generate()
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node3 := mock.Node()
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node3.ID = uuid.Generate()
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err := state.UpsertNode(structs.MsgTypeTestSetup, 1002, node1)
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require.NoError(t, err)
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err = state.UpsertNode(structs.MsgTypeTestSetup, 1003, node2)
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require.NoError(t, err)
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err = state.UpsertNode(structs.MsgTypeTestSetup, 1004, node3)
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require.NoError(t, err)
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ws := memdb.NewWatchSet()
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plugin, err := state.CSIPluginByID(ws, "minnie")
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require.NoError(t, err)
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clientCSI := NewClientCSIEndpoint(srv, nil)
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nodeIDs, err := clientCSI.clientIDsForController(plugin.ID)
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require.NoError(t, err)
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require.Equal(t, 1, len(nodeIDs))
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// only node1 has both the controller and a recent Nomad version
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require.Equal(t, nodeIDs[0], node1.ID)
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}
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// sets up a pair of servers, each with one client, and registers a plugin to the clients.
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// returns a RPC client to the leader and a cleanup function.
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func setupForward(t *testing.T) (rpc.ClientCodec, func()) {
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s1, cleanupS1 := TestServer(t, func(c *Config) { c.BootstrapExpect = 2 })
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s2, cleanupS2 := TestServer(t, func(c *Config) { c.BootstrapExpect = 2 })
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TestJoin(t, s1, s2)
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testutil.WaitForLeader(t, s1.RPC)
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testutil.WaitForLeader(t, s2.RPC)
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codec := rpcClient(t, s1)
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c1, cleanupC1 := client.TestClient(t, func(c *config.Config) {
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c.Servers = []string{s1.config.RPCAddr.String()}
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})
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// Wait for client initialization
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select {
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case <-c1.Ready():
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case <-time.After(10 * time.Second):
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cleanupC1()
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cleanupS1()
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cleanupS2()
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t.Fatal("client timedout on initialize")
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}
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c2, cleanupC2 := client.TestClient(t, func(c *config.Config) {
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c.Servers = []string{s2.config.RPCAddr.String()}
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})
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select {
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case <-c2.Ready():
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case <-time.After(10 * time.Second):
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cleanupC1()
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cleanupC2()
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cleanupS1()
|
|
cleanupS2()
|
|
t.Fatal("client timedout on initialize")
|
|
}
|
|
|
|
s1.nodeConnsLock.Lock()
|
|
delete(s1.nodeConns, c2.NodeID())
|
|
s1.nodeConnsLock.Unlock()
|
|
|
|
s2.nodeConnsLock.Lock()
|
|
delete(s2.nodeConns, c1.NodeID())
|
|
s2.nodeConnsLock.Unlock()
|
|
|
|
waitForNodes(t, s2, 1, 2)
|
|
|
|
plugins := map[string]*structs.CSIInfo{
|
|
"minnie": {PluginID: "minnie",
|
|
Healthy: true,
|
|
ControllerInfo: &structs.CSIControllerInfo{},
|
|
NodeInfo: &structs.CSINodeInfo{},
|
|
RequiresControllerPlugin: true,
|
|
},
|
|
}
|
|
|
|
// update w/ plugin
|
|
node1 := c1.Node()
|
|
node1.Attributes["nomad.version"] = "0.11.0" // client RPCs not supported on early versions
|
|
node1.CSIControllerPlugins = plugins
|
|
|
|
s1.fsm.state.UpsertNode(structs.MsgTypeTestSetup, 1000, node1)
|
|
|
|
cleanup := func() {
|
|
cleanupC1()
|
|
cleanupC2()
|
|
cleanupS2()
|
|
cleanupS1()
|
|
}
|
|
|
|
return codec, cleanup
|
|
}
|
|
|
|
// sets up a single server with a client, and registers a plugin to the client.
|
|
func setupLocal(t *testing.T) (rpc.ClientCodec, func()) {
|
|
var err error
|
|
s1, cleanupS1 := TestServer(t, func(c *Config) { c.BootstrapExpect = 1 })
|
|
|
|
testutil.WaitForLeader(t, s1.RPC)
|
|
codec := rpcClient(t, s1)
|
|
|
|
mockCSI := newMockClientCSI()
|
|
mockCSI.NextValidateError = fmt.Errorf("no plugins registered for type")
|
|
mockCSI.NextAttachError = fmt.Errorf("no plugins registered for type")
|
|
mockCSI.NextDetachError = fmt.Errorf("no plugins registered for type")
|
|
mockCSI.NextCreateError = fmt.Errorf("no plugins registered for type")
|
|
mockCSI.NextDeleteError = fmt.Errorf("no plugins registered for type")
|
|
mockCSI.NextListExternalError = fmt.Errorf("no plugins registered for type")
|
|
mockCSI.NextCreateSnapshotError = fmt.Errorf("no plugins registered for type")
|
|
mockCSI.NextDeleteSnapshotError = fmt.Errorf("no plugins registered for type")
|
|
mockCSI.NextListExternalSnapshotsError = fmt.Errorf("no plugins registered for type")
|
|
|
|
c1, cleanupC1 := client.TestClientWithRPCs(t,
|
|
func(c *config.Config) {
|
|
c.Servers = []string{s1.config.RPCAddr.String()}
|
|
},
|
|
map[string]interface{}{"CSI": mockCSI},
|
|
)
|
|
|
|
if err != nil {
|
|
cleanupC1()
|
|
cleanupS1()
|
|
require.NoError(t, err, "could not setup test client")
|
|
}
|
|
|
|
node1 := c1.UpdateConfig(func(c *config.Config) {
|
|
c.Node.Attributes["nomad.version"] = "0.11.0" // client RPCs not supported on early versions
|
|
}).Node
|
|
|
|
req := &structs.NodeRegisterRequest{
|
|
Node: node1,
|
|
WriteRequest: structs.WriteRequest{Region: "global"},
|
|
}
|
|
var resp structs.NodeUpdateResponse
|
|
err = c1.RPC("Node.Register", req, &resp)
|
|
if err != nil {
|
|
cleanupC1()
|
|
cleanupS1()
|
|
require.NoError(t, err, "could not register client node")
|
|
}
|
|
|
|
waitForNodes(t, s1, 1, 1)
|
|
|
|
plugins := map[string]*structs.CSIInfo{
|
|
"minnie": {PluginID: "minnie",
|
|
Healthy: true,
|
|
ControllerInfo: &structs.CSIControllerInfo{},
|
|
NodeInfo: &structs.CSINodeInfo{},
|
|
RequiresControllerPlugin: true,
|
|
},
|
|
}
|
|
|
|
// update w/ plugin
|
|
node1 = c1.UpdateConfig(func(c *config.Config) {
|
|
c.Node.CSIControllerPlugins = plugins
|
|
}).Node
|
|
s1.fsm.state.UpsertNode(structs.MsgTypeTestSetup, 1000, node1)
|
|
|
|
cleanup := func() {
|
|
cleanupC1()
|
|
cleanupS1()
|
|
}
|
|
|
|
return codec, cleanup
|
|
}
|
|
|
|
// waitForNodes waits until the server is connected to connectedNodes
|
|
// clients and totalNodes clients are in the state store
|
|
func waitForNodes(t *testing.T, s *Server, connectedNodes, totalNodes int) {
|
|
codec := rpcClient(t, s)
|
|
|
|
testutil.WaitForResult(func() (bool, error) {
|
|
connNodes := s.connectedNodes()
|
|
if len(connNodes) != connectedNodes {
|
|
return false, fmt.Errorf("expected %d connected nodes but found %d", connectedNodes, len(connNodes))
|
|
}
|
|
|
|
get := &structs.NodeListRequest{
|
|
QueryOptions: structs.QueryOptions{Region: "global"},
|
|
}
|
|
var resp structs.NodeListResponse
|
|
err := msgpackrpc.CallWithCodec(codec, "Node.List", get, &resp)
|
|
if err != nil {
|
|
return false, err
|
|
}
|
|
|
|
if err != nil {
|
|
return false, fmt.Errorf("failed to list nodes: %v", err)
|
|
}
|
|
if len(resp.Nodes) != totalNodes {
|
|
return false, fmt.Errorf("expected %d total nodes but found %d", totalNodes, len(resp.Nodes))
|
|
}
|
|
return true, nil
|
|
}, func(err error) {
|
|
require.NoError(t, err)
|
|
})
|
|
}
|