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Merge pull request #133 from Madhu-1/fix-golint

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Fix golint
This commit is contained in:
Huamin Chen 2019-01-27 10:04:42 -05:00 committed by GitHub
commit aa4fce2c8b
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GPG Key ID: 4AEE18F83AFDEB23
20 changed files with 356 additions and 370 deletions
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6
cephfs/main.go
View File

@ -33,7 +33,7 @@ func init() {
var (
endpoint = flag.String("endpoint", "unix://tmp/csi.sock", "CSI endpoint")
driverName = flag.String("drivername", "csi-cephfsplugin", "name of the driver")
nodeId = flag.String("nodeid", "", "node id")
nodeID = flag.String("nodeid", "", "node id")
volumeMounter = flag.String("volumemounter", "", "default volume mounter (possible options are 'kernel', 'fuse')")
metadataStorage = flag.String("metadatastorage", "", "metadata persistence method [node|k8s_configmap]")
)
@ -57,8 +57,8 @@ func main() {
os.Exit(1)
}
driver := cephfs.NewCephFSDriver()
driver.Run(*driverName, *nodeId, *endpoint, *volumeMounter, cp)
driver := cephfs.NewDriver()
driver.Run(*driverName, *nodeID, *endpoint, *volumeMounter, cp)
os.Exit(0)
}

26
pkg/cephfs/cephconf.go
View File

@ -33,7 +33,7 @@ auth_client_required = cephx
fuse_set_user_groups = false
`
const cephKeyring = `[client.{{.UserId}}]
const cephKeyring = `[client.{{.UserID}}]
key = {{.Key}}
`
@ -68,10 +68,6 @@ func init() {
cephSecretTempl = template.Must(template.New("secret").Parse(cephSecret))
}
type cephConfigWriter interface {
writeToFile() error
}
type cephConfigData struct {
Monitors string
VolumeID volumeID
@ -100,31 +96,31 @@ func (d *cephConfigData) writeToFile() error {
}
type cephKeyringData struct {
UserId, Key string
UserID, Key string
VolumeID volumeID
}
func (d *cephKeyringData) writeToFile() error {
return writeCephTemplate(fmt.Sprintf(cephKeyringFileNameFmt, d.VolumeID, d.UserId), 0600, cephKeyringTempl, d)
return writeCephTemplate(fmt.Sprintf(cephKeyringFileNameFmt, d.VolumeID, d.UserID), 0600, cephKeyringTempl, d)
}
type cephSecretData struct {
UserId, Key string
UserID, Key string
VolumeID volumeID
}
func (d *cephSecretData) writeToFile() error {
return writeCephTemplate(fmt.Sprintf(cephSecretFileNameFmt, d.VolumeID, d.UserId), 0600, cephSecretTempl, d)
return writeCephTemplate(fmt.Sprintf(cephSecretFileNameFmt, d.VolumeID, d.UserID), 0600, cephSecretTempl, d)
}
func getCephSecretPath(volId volumeID, userId string) string {
return path.Join(cephConfigRoot, fmt.Sprintf(cephSecretFileNameFmt, volId, userId))
func getCephSecretPath(volID volumeID, userID string) string {
return path.Join(cephConfigRoot, fmt.Sprintf(cephSecretFileNameFmt, volID, userID))
}
func getCephKeyringPath(volId volumeID, userId string) string {
return path.Join(cephConfigRoot, fmt.Sprintf(cephKeyringFileNameFmt, volId, userId))
func getCephKeyringPath(volID volumeID, userID string) string {
return path.Join(cephConfigRoot, fmt.Sprintf(cephKeyringFileNameFmt, volID, userID))
}
func getCephConfPath(volId volumeID) string {
return path.Join(cephConfigRoot, fmt.Sprintf(cephConfigFileNameFmt, volId))
func getCephConfPath(volID volumeID) string {
return path.Join(cephConfigRoot, fmt.Sprintf(cephConfigFileNameFmt, volID))
}

36
pkg/cephfs/cephuser.go
View File

@ -47,16 +47,16 @@ func (ent *cephEntity) toCredentials() *credentials {
}
}
func getCephUserName(volId volumeID) string {
return cephUserPrefix + string(volId)
func getCephUserName(volID volumeID) string {
return cephUserPrefix + string(volID)
}
func getCephUser(adminCr *credentials, volId volumeID) (*cephEntity, error) {
entityName := cephEntityClientPrefix + getCephUserName(volId)
func getCephUser(adminCr *credentials, volID volumeID) (*cephEntity, error) {
entityName := cephEntityClientPrefix + getCephUserName(volID)
var ents []cephEntity
args := [...]string{
"auth", "-f", "json", "-c", getCephConfPath(volId), "-n", cephEntityClientPrefix + adminCr.id,
"auth", "-f", "json", "-c", getCephConfPath(volID), "-n", cephEntityClientPrefix + adminCr.id,
"get", entityName,
}
@ -69,7 +69,7 @@ func getCephUser(adminCr *credentials, volId volumeID) (*cephEntity, error) {
// Contains non-json data: "exported keyring for ENTITY\n\n"
offset := bytes.Index(out, []byte("[{"))
if json.NewDecoder(bytes.NewReader(out[offset:])).Decode(&ents); err != nil {
if err = json.NewDecoder(bytes.NewReader(out[offset:])).Decode(&ents); err != nil {
return nil, fmt.Errorf("failed to decode json: %v", err)
}
@ -80,43 +80,43 @@ func getCephUser(adminCr *credentials, volId volumeID) (*cephEntity, error) {
return &ents[0], nil
}
func createCephUser(volOptions *volumeOptions, adminCr *credentials, volId volumeID) (*cephEntity, error) {
func createCephUser(volOptions *volumeOptions, adminCr *credentials, volID volumeID) (*cephEntity, error) {
caps := cephEntityCaps{
Mds: fmt.Sprintf("allow rw path=%s", getVolumeRootPathCeph(volId)),
Mds: fmt.Sprintf("allow rw path=%s", getVolumeRootPathCeph(volID)),
Mon: "allow r",
Osd: fmt.Sprintf("allow rw pool=%s namespace=%s", volOptions.Pool, getVolumeNamespace(volId)),
Osd: fmt.Sprintf("allow rw pool=%s namespace=%s", volOptions.Pool, getVolumeNamespace(volID)),
}
var ents []cephEntity
args := [...]string{
"auth", "-f", "json", "-c", getCephConfPath(volId), "-n", cephEntityClientPrefix + adminCr.id,
"get-or-create", cephEntityClientPrefix + getCephUserName(volId),
"auth", "-f", "json", "-c", getCephConfPath(volID), "-n", cephEntityClientPrefix + adminCr.id,
"get-or-create", cephEntityClientPrefix + getCephUserName(volID),
"mds", caps.Mds,
"mon", caps.Mon,
"osd", caps.Osd,
}
if err := execCommandJson(&ents, "ceph", args[:]...); err != nil {
if err := execCommandJSON(&ents, args[:]...); err != nil {
return nil, fmt.Errorf("error creating ceph user: %v", err)
}
return &ents[0], nil
}
func deleteCephUser(adminCr *credentials, volId volumeID) error {
userId := getCephUserName(volId)
func deleteCephUser(adminCr *credentials, volID volumeID) error {
userID := getCephUserName(volID)
args := [...]string{
"-c", getCephConfPath(volId), "-n", cephEntityClientPrefix + adminCr.id,
"auth", "rm", cephEntityClientPrefix + userId,
"-c", getCephConfPath(volID), "-n", cephEntityClientPrefix + adminCr.id,
"auth", "rm", cephEntityClientPrefix + userID,
}
if err := execCommandAndValidate("ceph", args[:]...); err != nil {
return err
}
os.Remove(getCephKeyringPath(volId, userId))
os.Remove(getCephSecretPath(volId, userId))
os.Remove(getCephKeyringPath(volID, userID))
os.Remove(getCephSecretPath(volID, userID))
return nil
}

52
pkg/cephfs/controllerserver.go
View File

@ -28,7 +28,7 @@ import (
"github.com/ceph/ceph-csi/pkg/util"
)
type controllerServer struct {
type ControllerServer struct {
*csicommon.DefaultControllerServer
MetadataStore util.CachePersister
}
@ -38,7 +38,7 @@ type controllerCacheEntry struct {
VolumeID volumeID
}
func (cs *controllerServer) CreateVolume(ctx context.Context, req *csi.CreateVolumeRequest) (*csi.CreateVolumeResponse, error) {
func (cs *ControllerServer) CreateVolume(ctx context.Context, req *csi.CreateVolumeRequest) (*csi.CreateVolumeResponse, error) {
if err := cs.validateCreateVolumeRequest(req); err != nil {
glog.Errorf("CreateVolumeRequest validation failed: %v", err)
return nil, err
@ -51,10 +51,10 @@ func (cs *controllerServer) CreateVolume(ctx context.Context, req *csi.CreateVol
return nil, status.Error(codes.InvalidArgument, err.Error())
}
volId := makeVolumeID(req.GetName())
conf := cephConfigData{Monitors: volOptions.Monitors, VolumeID: volId}
volID := makeVolumeID(req.GetName())
conf := cephConfigData{Monitors: volOptions.Monitors, VolumeID: volID}
if err = conf.writeToFile(); err != nil {
glog.Errorf("failed to write ceph config file to %s: %v", getCephConfPath(volId), err)
glog.Errorf("failed to write ceph config file to %s: %v", getCephConfPath(volID), err)
return nil, status.Error(codes.Internal, err.Error())
}
@ -67,61 +67,61 @@ func (cs *controllerServer) CreateVolume(ctx context.Context, req *csi.CreateVol
return nil, status.Error(codes.InvalidArgument, err.Error())
}
if err = storeCephCredentials(volId, cr); err != nil {
if err = storeCephCredentials(volID, cr); err != nil {
glog.Errorf("failed to store admin credentials for '%s': %v", cr.id, err)
return nil, status.Error(codes.Internal, err.Error())
}
if err = createVolume(volOptions, cr, volId, req.GetCapacityRange().GetRequiredBytes()); err != nil {
if err = createVolume(volOptions, cr, volID, req.GetCapacityRange().GetRequiredBytes()); err != nil {
glog.Errorf("failed to create volume %s: %v", req.GetName(), err)
return nil, status.Error(codes.Internal, err.Error())
}
if _, err = createCephUser(volOptions, cr, volId); err != nil {
if _, err = createCephUser(volOptions, cr, volID); err != nil {
glog.Errorf("failed to create ceph user for volume %s: %v", req.GetName(), err)
return nil, status.Error(codes.Internal, err.Error())
}
glog.Infof("cephfs: successfully created volume %s", volId)
glog.Infof("cephfs: successfully created volume %s", volID)
} else {
glog.Infof("cephfs: volume %s is provisioned statically", volId)
glog.Infof("cephfs: volume %s is provisioned statically", volID)
}
ce := &controllerCacheEntry{VolOptions: *volOptions, VolumeID: volId}
if err := cs.MetadataStore.Create(string(volId), ce); err != nil {
glog.Errorf("failed to store a cache entry for volume %s: %v", volId, err)
ce := &controllerCacheEntry{VolOptions: *volOptions, VolumeID: volID}
if err := cs.MetadataStore.Create(string(volID), ce); err != nil {
glog.Errorf("failed to store a cache entry for volume %s: %v", volID, err)
return nil, status.Error(codes.Internal, err.Error())
}
return &csi.CreateVolumeResponse{
Volume: &csi.Volume{
VolumeId: string(volId),
VolumeId: string(volID),
CapacityBytes: req.GetCapacityRange().GetRequiredBytes(),
VolumeContext: req.GetParameters(),
},
}, nil
}
func (cs *controllerServer) DeleteVolume(ctx context.Context, req *csi.DeleteVolumeRequest) (*csi.DeleteVolumeResponse, error) {
if err := cs.validateDeleteVolumeRequest(req); err != nil {
func (cs *ControllerServer) DeleteVolume(ctx context.Context, req *csi.DeleteVolumeRequest) (*csi.DeleteVolumeResponse, error) {
if err := cs.validateDeleteVolumeRequest(); err != nil {
glog.Errorf("DeleteVolumeRequest validation failed: %v", err)
return nil, err
}
var (
volId = volumeID(req.GetVolumeId())
volID = volumeID(req.GetVolumeId())
err error
)
ce := &controllerCacheEntry{}
if err := cs.MetadataStore.Get(string(volId), ce); err != nil {
if err = cs.MetadataStore.Get(string(volID), ce); err != nil {
return nil, status.Error(codes.Internal, err.Error())
}
if !ce.VolOptions.ProvisionVolume {
// DeleteVolume() is forbidden for statically provisioned volumes!
glog.Warningf("volume %s is provisioned statically, aborting delete", volId)
glog.Warningf("volume %s is provisioned statically, aborting delete", volID)
return &csi.DeleteVolumeResponse{}, nil
}
// mons may have changed since create volume,
@ -140,26 +140,26 @@ func (cs *controllerServer) DeleteVolume(ctx context.Context, req *csi.DeleteVol
return nil, status.Error(codes.InvalidArgument, err.Error())
}
if err = purgeVolume(volId, cr, &ce.VolOptions); err != nil {
glog.Errorf("failed to delete volume %s: %v", volId, err)
if err = purgeVolume(volID, cr, &ce.VolOptions); err != nil {
glog.Errorf("failed to delete volume %s: %v", volID, err)
return nil, status.Error(codes.Internal, err.Error())
}
if err = deleteCephUser(cr, volId); err != nil {
glog.Errorf("failed to delete ceph user for volume %s: %v", volId, err)
if err = deleteCephUser(cr, volID); err != nil {
glog.Errorf("failed to delete ceph user for volume %s: %v", volID, err)
return nil, status.Error(codes.Internal, err.Error())
}
if err := cs.MetadataStore.Delete(string(volId)); err != nil {
if err = cs.MetadataStore.Delete(string(volID)); err != nil {
return nil, status.Error(codes.Internal, err.Error())
}
glog.Infof("cephfs: successfully deleted volume %s", volId)
glog.Infof("cephfs: successfully deleted volume %s", volID)
return &csi.DeleteVolumeResponse{}, nil
}
func (cs *controllerServer) ValidateVolumeCapabilities(
func (cs *ControllerServer) ValidateVolumeCapabilities(
ctx context.Context,
req *csi.ValidateVolumeCapabilitiesRequest) (*csi.ValidateVolumeCapabilitiesResponse, error) {
// Cephfs doesn't support Block volume

8
pkg/cephfs/credentials.go
View File

@ -19,9 +19,9 @@ package cephfs
import "fmt"
const (
credUserId = "userID"
credUserID = "userID"
credUserKey = "userKey"
credAdminId = "adminID"
credAdminID = "adminID"
credAdminKey = "adminKey"
credMonitors = "monitors"
)
@ -49,11 +49,11 @@ func getCredentials(idField, keyField string, secrets map[string]string) (*crede
}
func getUserCredentials(secrets map[string]string) (*credentials, error) {
return getCredentials(credUserId, credUserKey, secrets)
return getCredentials(credUserID, credUserKey, secrets)
}
func getAdminCredentials(secrets map[string]string) (*credentials, error) {
return getCredentials(credAdminId, credAdminKey, secrets)
return getCredentials(credAdminID, credAdminKey, secrets)
}
func getMonValFromSecret(secrets map[string]string) (string, error) {

46
pkg/cephfs/driver.go
View File

@ -30,46 +30,42 @@ const (
Version = "1.0.0"
)
type cephfsDriver struct {
driver *csicommon.CSIDriver
type Driver struct {
cd *csicommon.CSIDriver
is *identityServer
ns *nodeServer
cs *controllerServer
caps []*csi.VolumeCapability_AccessMode
cscaps []*csi.ControllerServiceCapability
is *IdentityServer
ns *NodeServer
cs *ControllerServer
}
var (
driver *cephfsDriver
DefaultVolumeMounter string
)
func NewCephFSDriver() *cephfsDriver {
return &cephfsDriver{}
func NewDriver() *Driver {
return &Driver{}
}
func NewIdentityServer(d *csicommon.CSIDriver) *identityServer {
return &identityServer{
func NewIdentityServer(d *csicommon.CSIDriver) *IdentityServer {
return &IdentityServer{
DefaultIdentityServer: csicommon.NewDefaultIdentityServer(d),
}
}
func NewControllerServer(d *csicommon.CSIDriver, cachePersister util.CachePersister) *controllerServer {
return &controllerServer{
func NewControllerServer(d *csicommon.CSIDriver, cachePersister util.CachePersister) *ControllerServer {
return &ControllerServer{
DefaultControllerServer: csicommon.NewDefaultControllerServer(d),
MetadataStore: cachePersister,
}
}
func NewNodeServer(d *csicommon.CSIDriver) *nodeServer {
return &nodeServer{
func NewNodeServer(d *csicommon.CSIDriver) *NodeServer {
return &NodeServer{
DefaultNodeServer: csicommon.NewDefaultNodeServer(d),
}
}
func (fs *cephfsDriver) Run(driverName, nodeId, endpoint, volumeMounter string, cachePersister util.CachePersister) {
func (fs *Driver) Run(driverName, nodeID, endpoint, volumeMounter string, cachePersister util.CachePersister) {
glog.Infof("Driver: %v version: %v", driverName, Version)
// Configuration
@ -95,25 +91,25 @@ func (fs *cephfsDriver) Run(driverName, nodeId, endpoint, volumeMounter string,
// Initialize default library driver
fs.driver = csicommon.NewCSIDriver(driverName, Version, nodeId)
if fs.driver == nil {
fs.cd = csicommon.NewCSIDriver(driverName, Version, nodeID)
if fs.cd == nil {
glog.Fatalln("Failed to initialize CSI driver")
}
fs.driver.AddControllerServiceCapabilities([]csi.ControllerServiceCapability_RPC_Type{
fs.cd.AddControllerServiceCapabilities([]csi.ControllerServiceCapability_RPC_Type{
csi.ControllerServiceCapability_RPC_CREATE_DELETE_VOLUME,
})
fs.driver.AddVolumeCapabilityAccessModes([]csi.VolumeCapability_AccessMode_Mode{
fs.cd.AddVolumeCapabilityAccessModes([]csi.VolumeCapability_AccessMode_Mode{
csi.VolumeCapability_AccessMode_MULTI_NODE_MULTI_WRITER,
})
// Create gRPC servers
fs.is = NewIdentityServer(fs.driver)
fs.ns = NewNodeServer(fs.driver)
fs.is = NewIdentityServer(fs.cd)
fs.ns = NewNodeServer(fs.cd)
fs.cs = NewControllerServer(fs.driver, cachePersister)
fs.cs = NewControllerServer(fs.cd, cachePersister)
server := csicommon.NewNonBlockingGRPCServer()
server.Start(endpoint, fs.is, fs.cs, fs.ns)

4
pkg/cephfs/identityserver.go
View File

@ -23,11 +23,11 @@ import (
"github.com/kubernetes-csi/drivers/pkg/csi-common"
)
type identityServer struct {
type IdentityServer struct {
*csicommon.DefaultIdentityServer
}
func (is *identityServer) GetPluginCapabilities(ctx context.Context, req *csi.GetPluginCapabilitiesRequest) (*csi.GetPluginCapabilitiesResponse, error) {
func (is *IdentityServer) GetPluginCapabilities(ctx context.Context, req *csi.GetPluginCapabilitiesRequest) (*csi.GetPluginCapabilitiesResponse, error) {
return &csi.GetPluginCapabilitiesResponse{
Capabilities: []*csi.PluginCapability{
{

62
pkg/cephfs/nodeserver.go
View File

@ -29,14 +29,13 @@ import (
"github.com/kubernetes-csi/drivers/pkg/csi-common"
)
type nodeServer struct {
type NodeServer struct {
*csicommon.DefaultNodeServer
}
func getCredentialsForVolume(volOptions *volumeOptions, volId volumeID, req *csi.NodeStageVolumeRequest) (*credentials, error) {
func getCredentialsForVolume(volOptions *volumeOptions, volID volumeID, req *csi.NodeStageVolumeRequest) (*credentials, error) {
var (
userCr *credentials
err error
)
secret := req.GetSecrets()
if volOptions.ProvisionVolume {
@ -49,13 +48,13 @@ func getCredentialsForVolume(volOptions *volumeOptions, volId volumeID, req *csi
return nil, fmt.Errorf("failed to get admin credentials from node stage secrets: %v", err)
}
if err = storeCephCredentials(volId, adminCr); err != nil {
if err = storeCephCredentials(volID, adminCr); err != nil {
return nil, fmt.Errorf("failed to store ceph admin credentials: %v", err)
}
// Then get the ceph user
entity, err := getCephUser(adminCr, volId)
entity, err := getCephUser(adminCr, volID)
if err != nil {
return nil, fmt.Errorf("failed to get ceph user: %v", err)
}
@ -64,20 +63,21 @@ func getCredentialsForVolume(volOptions *volumeOptions, volId volumeID, req *csi
} else {
// The volume is pre-made, credentials are in node stage secrets
userCr, err = getUserCredentials(secret)
uCr, err := getUserCredentials(req.GetSecrets())
if err != nil {
return nil, fmt.Errorf("failed to get user credentials from node stage secrets: %v", err)
}
userCr = uCr
}
if err = storeCephCredentials(volId, userCr); err != nil {
if err := storeCephCredentials(volID, userCr); err != nil {
return nil, fmt.Errorf("failed to store ceph user credentials: %v", err)
}
return userCr, nil
}
func (ns *nodeServer) NodeStageVolume(ctx context.Context, req *csi.NodeStageVolumeRequest) (*csi.NodeStageVolumeResponse, error) {
func (ns *NodeServer) NodeStageVolume(ctx context.Context, req *csi.NodeStageVolumeRequest) (*csi.NodeStageVolumeResponse, error) {
if err := validateNodeStageVolumeRequest(req); err != nil {
return nil, status.Error(codes.InvalidArgument, err.Error())
}
@ -85,28 +85,28 @@ func (ns *nodeServer) NodeStageVolume(ctx context.Context, req *csi.NodeStageVol
// Configuration
stagingTargetPath := req.GetStagingTargetPath()
volId := volumeID(req.GetVolumeId())
volID := volumeID(req.GetVolumeId())
secret := req.GetSecrets()
volOptions, err := newVolumeOptions(req.GetVolumeContext(), secret)
if err != nil {
glog.Errorf("error reading volume options for volume %s: %v", volId, err)
glog.Errorf("error reading volume options for volume %s: %v", volID, err)
return nil, status.Error(codes.InvalidArgument, err.Error())
}
if volOptions.ProvisionVolume {
// Dynamically provisioned volumes don't have their root path set, do it here
volOptions.RootPath = getVolumeRootPathCeph(volId)
volOptions.RootPath = getVolumeRootPathCeph(volID)
}
if err = createMountPoint(stagingTargetPath); err != nil {
glog.Errorf("failed to create staging mount point at %s for volume %s: %v", stagingTargetPath, volId, err)
glog.Errorf("failed to create staging mount point at %s for volume %s: %v", stagingTargetPath, volID, err)
return nil, status.Error(codes.Internal, err.Error())
}
cephConf := cephConfigData{Monitors: volOptions.Monitors, VolumeID: volId}
cephConf := cephConfigData{Monitors: volOptions.Monitors, VolumeID: volID}
if err = cephConf.writeToFile(); err != nil {
glog.Errorf("failed to write ceph config file to %s for volume %s: %v", getCephConfPath(volId), volId, err)
glog.Errorf("failed to write ceph config file to %s for volume %s: %v", getCephConfPath(volID), volID, err)
return nil, status.Error(codes.Internal, err.Error())
}
@ -120,36 +120,36 @@ func (ns *nodeServer) NodeStageVolume(ctx context.Context, req *csi.NodeStageVol
}
if isMnt {
glog.Infof("cephfs: volume %s is already mounted to %s, skipping", volId, stagingTargetPath)
glog.Infof("cephfs: volume %s is already mounted to %s, skipping", volID, stagingTargetPath)
return &csi.NodeStageVolumeResponse{}, nil
}
// It's not, mount now
cr, err := getCredentialsForVolume(volOptions, volId, req)
cr, err := getCredentialsForVolume(volOptions, volID, req)
if err != nil {
glog.Errorf("failed to get ceph credentials for volume %s: %v", volId, err)
glog.Errorf("failed to get ceph credentials for volume %s: %v", volID, err)
return nil, status.Error(codes.Internal, err.Error())
}
m, err := newMounter(volOptions)
if err != nil {
glog.Errorf("failed to create mounter for volume %s: %v", volId, err)
glog.Errorf("failed to create mounter for volume %s: %v", volID, err)
}
glog.V(4).Infof("cephfs: mounting volume %s with %s", volId, m.name())
glog.V(4).Infof("cephfs: mounting volume %s with %s", volID, m.name())
if err = m.mount(stagingTargetPath, cr, volOptions, volId); err != nil {
glog.Errorf("failed to mount volume %s: %v", volId, err)
if err = m.mount(stagingTargetPath, cr, volOptions, volID); err != nil {
glog.Errorf("failed to mount volume %s: %v", volID, err)
return nil, status.Error(codes.Internal, err.Error())
}
glog.Infof("cephfs: successfully mounted volume %s to %s", volId, stagingTargetPath)
glog.Infof("cephfs: successfully mounted volume %s to %s", volID, stagingTargetPath)
return &csi.NodeStageVolumeResponse{}, nil
}
func (ns *nodeServer) NodePublishVolume(ctx context.Context, req *csi.NodePublishVolumeRequest) (*csi.NodePublishVolumeResponse, error) {
func (ns *NodeServer) NodePublishVolume(ctx context.Context, req *csi.NodePublishVolumeRequest) (*csi.NodePublishVolumeResponse, error) {
if err := validateNodePublishVolumeRequest(req); err != nil {
return nil, status.Error(codes.InvalidArgument, err.Error())
}
@ -157,7 +157,7 @@ func (ns *nodeServer) NodePublishVolume(ctx context.Context, req *csi.NodePublis
// Configuration
targetPath := req.GetTargetPath()
volId := req.GetVolumeId()
volID := req.GetVolumeId()
if err := createMountPoint(targetPath); err != nil {
glog.Errorf("failed to create mount point at %s: %v", targetPath, err)
@ -174,23 +174,23 @@ func (ns *nodeServer) NodePublishVolume(ctx context.Context, req *csi.NodePublis
}
if isMnt {
glog.Infof("cephfs: volume %s is already bind-mounted to %s", volId, targetPath)
glog.Infof("cephfs: volume %s is already bind-mounted to %s", volID, targetPath)
return &csi.NodePublishVolumeResponse{}, nil
}
// It's not, mount now
if err = bindMount(req.GetStagingTargetPath(), req.GetTargetPath(), req.GetReadonly()); err != nil {
glog.Errorf("failed to bind-mount volume %s: %v", volId, err)
glog.Errorf("failed to bind-mount volume %s: %v", volID, err)
return nil, status.Error(codes.Internal, err.Error())
}
glog.Infof("cephfs: successfully bind-mounted volume %s to %s", volId, targetPath)
glog.Infof("cephfs: successfully bind-mounted volume %s to %s", volID, targetPath)
return &csi.NodePublishVolumeResponse{}, nil
}
func (ns *nodeServer) NodeUnpublishVolume(ctx context.Context, req *csi.NodeUnpublishVolumeRequest) (*csi.NodeUnpublishVolumeResponse, error) {
func (ns *NodeServer) NodeUnpublishVolume(ctx context.Context, req *csi.NodeUnpublishVolumeRequest) (*csi.NodeUnpublishVolumeResponse, error) {
if err := validateNodeUnpublishVolumeRequest(req); err != nil {
return nil, status.Error(codes.InvalidArgument, err.Error())
}
@ -209,7 +209,7 @@ func (ns *nodeServer) NodeUnpublishVolume(ctx context.Context, req *csi.NodeUnpu
return &csi.NodeUnpublishVolumeResponse{}, nil
}
func (ns *nodeServer) NodeUnstageVolume(ctx context.Context, req *csi.NodeUnstageVolumeRequest) (*csi.NodeUnstageVolumeResponse, error) {
func (ns *NodeServer) NodeUnstageVolume(ctx context.Context, req *csi.NodeUnstageVolumeRequest) (*csi.NodeUnstageVolumeResponse, error) {
if err := validateNodeUnstageVolumeRequest(req); err != nil {
return nil, status.Error(codes.InvalidArgument, err.Error())
}
@ -228,7 +228,7 @@ func (ns *nodeServer) NodeUnstageVolume(ctx context.Context, req *csi.NodeUnstag
return &csi.NodeUnstageVolumeResponse{}, nil
}
func (ns *nodeServer) NodeGetCapabilities(ctx context.Context, req *csi.NodeGetCapabilitiesRequest) (*csi.NodeGetCapabilitiesResponse, error) {
func (ns *NodeServer) NodeGetCapabilities(ctx context.Context, req *csi.NodeGetCapabilitiesRequest) (*csi.NodeGetCapabilitiesResponse, error) {
return &csi.NodeGetCapabilitiesResponse{
Capabilities: []*csi.NodeServiceCapability{
{
@ -242,6 +242,6 @@ func (ns *nodeServer) NodeGetCapabilities(ctx context.Context, req *csi.NodeGetC
}, nil
}
func (ns *nodeServer) NodeGetInfo(ctx context.Context, req *csi.NodeGetInfoRequest) (*csi.NodeGetInfoResponse, error) {
func (ns *NodeServer) NodeGetInfo(ctx context.Context, req *csi.NodeGetInfoRequest) (*csi.NodeGetInfoResponse, error) {
return ns.DefaultNodeServer.NodeGetInfo(ctx, req)
}

24
pkg/cephfs/util.go
View File

@ -53,7 +53,8 @@ func execCommandAndValidate(program string, args ...string) error {
return nil
}
func execCommandJson(v interface{}, program string, args ...string) error {
func execCommandJSON(v interface{}, args ...string) error {
program := "ceph"
out, err := execCommand(program, args...)
if err != nil {
@ -75,11 +76,11 @@ func isMountPoint(p string) (bool, error) {
return !notMnt, nil
}
func storeCephCredentials(volId volumeID, cr *credentials) error {
func storeCephCredentials(volID volumeID, cr *credentials) error {
keyringData := cephKeyringData{
UserId: cr.id,
UserID: cr.id,
Key: cr.key,
VolumeID: volId,
VolumeID: volID,
}
if err := keyringData.writeToFile(); err != nil {
@ -87,23 +88,20 @@ func storeCephCredentials(volId volumeID, cr *credentials) error {
}
secret := cephSecretData{
UserId: cr.id,
UserID: cr.id,
Key: cr.key,
VolumeID: volId,
VolumeID: volID,
}
if err := secret.writeToFile(); err != nil {
return err
}
return nil
err := secret.writeToFile()
return err
}
//
// Controller service request validation
//
func (cs *controllerServer) validateCreateVolumeRequest(req *csi.CreateVolumeRequest) error {
func (cs *ControllerServer) validateCreateVolumeRequest(req *csi.CreateVolumeRequest) error {
if err := cs.Driver.ValidateControllerServiceRequest(csi.ControllerServiceCapability_RPC_CREATE_DELETE_VOLUME); err != nil {
return fmt.Errorf("invalid CreateVolumeRequest: %v", err)
}
@ -126,7 +124,7 @@ func (cs *controllerServer) validateCreateVolumeRequest(req *csi.CreateVolumeReq
return nil
}
func (cs *controllerServer) validateDeleteVolumeRequest(req *csi.DeleteVolumeRequest) error {
func (cs *ControllerServer) validateDeleteVolumeRequest() error {
if err := cs.Driver.ValidateControllerServiceRequest(csi.ControllerServiceCapability_RPC_CREATE_DELETE_VOLUME); err != nil {
return fmt.Errorf("invalid DeleteVolumeRequest: %v", err)
}

40
pkg/cephfs/volume.go
View File

@ -29,28 +29,28 @@ const (
namespacePrefix = "ns-"
)
func getCephRootPathLocal(volId volumeID) string {
return cephRootPrefix + string(volId)
func getCephRootPathLocal(volID volumeID) string {
return cephRootPrefix + string(volID)
}
func getCephRootVolumePathLocal(volId volumeID) string {
return path.Join(getCephRootPathLocal(volId), cephVolumesRoot, string(volId))
func getCephRootVolumePathLocal(volID volumeID) string {
return path.Join(getCephRootPathLocal(volID), cephVolumesRoot, string(volID))
}
func getVolumeRootPathCeph(volId volumeID) string {
return path.Join("/", cephVolumesRoot, string(volId))
func getVolumeRootPathCeph(volID volumeID) string {
return path.Join("/", cephVolumesRoot, string(volID))
}
func getVolumeNamespace(volId volumeID) string {
return namespacePrefix + string(volId)
func getVolumeNamespace(volID volumeID) string {
return namespacePrefix + string(volID)
}
func setVolumeAttribute(root, attrName, attrValue string) error {
return execCommandAndValidate("setfattr", "-n", attrName, "-v", attrValue, root)
}
func createVolume(volOptions *volumeOptions, adminCr *credentials, volId volumeID, bytesQuota int64) error {
cephRoot := getCephRootPathLocal(volId)
func createVolume(volOptions *volumeOptions, adminCr *credentials, volID volumeID, bytesQuota int64) error {
cephRoot := getCephRootPathLocal(volID)
if err := createMountPoint(cephRoot); err != nil {
return err
@ -65,7 +65,7 @@ func createVolume(volOptions *volumeOptions, adminCr *credentials, volId volumeI
return fmt.Errorf("failed to create mounter: %v", err)
}
if err = m.mount(cephRoot, adminCr, volOptions, volId); err != nil {
if err = m.mount(cephRoot, adminCr, volOptions, volID); err != nil {
return fmt.Errorf("error mounting ceph root: %v", err)
}
@ -74,8 +74,8 @@ func createVolume(volOptions *volumeOptions, adminCr *credentials, volId volumeI
os.Remove(cephRoot)
}()
volOptions.RootPath = getVolumeRootPathCeph(volId)
localVolRoot := getCephRootVolumePathLocal(volId)
volOptions.RootPath = getVolumeRootPathCeph(volID)
localVolRoot := getCephRootVolumePathLocal(volID)
if err := createMountPoint(localVolRoot); err != nil {
return err
@ -91,17 +91,17 @@ func createVolume(volOptions *volumeOptions, adminCr *credentials, volId volumeI
return fmt.Errorf("%v\ncephfs: Does pool '%s' exist?", err, volOptions.Pool)
}
if err := setVolumeAttribute(localVolRoot, "ceph.dir.layout.pool_namespace", getVolumeNamespace(volId)); err != nil {
if err := setVolumeAttribute(localVolRoot, "ceph.dir.layout.pool_namespace", getVolumeNamespace(volID)); err != nil {
return err
}
return nil
}
func purgeVolume(volId volumeID, adminCr *credentials, volOptions *volumeOptions) error {
func purgeVolume(volID volumeID, adminCr *credentials, volOptions *volumeOptions) error {
var (
cephRoot = getCephRootPathLocal(volId)
volRoot = getCephRootVolumePathLocal(volId)
cephRoot = getCephRootPathLocal(volID)
volRoot = getCephRootVolumePathLocal(volID)
volRootDeleting = volRoot + "-deleting"
)
@ -118,7 +118,7 @@ func purgeVolume(volId volumeID, adminCr *credentials, volOptions *volumeOptions
return fmt.Errorf("failed to create mounter: %v", err)
}
if err = m.mount(cephRoot, adminCr, volOptions, volId); err != nil {
if err = m.mount(cephRoot, adminCr, volOptions, volID); err != nil {
return fmt.Errorf("error mounting ceph root: %v", err)
}
@ -128,11 +128,11 @@ func purgeVolume(volId volumeID, adminCr *credentials, volOptions *volumeOptions
}()
if err := os.Rename(volRoot, volRootDeleting); err != nil {
return fmt.Errorf("coudln't mark volume %s for deletion: %v", volId, err)
return fmt.Errorf("coudln't mark volume %s for deletion: %v", volID, err)
}
if err := os.RemoveAll(volRootDeleting); err != nil {
return fmt.Errorf("failed to delete volume %s: %v", volId, err)
return fmt.Errorf("failed to delete volume %s: %v", volID, err)
}
return nil

20
pkg/cephfs/volumemounter.go
View File

@ -55,7 +55,7 @@ func loadAvailableMounters() error {
}
type volumeMounter interface {
mount(mountPoint string, cr *credentials, volOptions *volumeOptions, volId volumeID) error
mount(mountPoint string, cr *credentials, volOptions *volumeOptions, volID volumeID) error
name() string
}
@ -99,12 +99,12 @@ func newMounter(volOptions *volumeOptions) (volumeMounter, error) {
type fuseMounter struct{}
func mountFuse(mountPoint string, cr *credentials, volOptions *volumeOptions, volId volumeID) error {
func mountFuse(mountPoint string, cr *credentials, volOptions *volumeOptions, volID volumeID) error {
args := [...]string{
mountPoint,
"-c", getCephConfPath(volId),
"-c", getCephConfPath(volID),
"-n", cephEntityClientPrefix + cr.id,
"--keyring", getCephKeyringPath(volId, cr.id),
"--keyring", getCephKeyringPath(volID, cr.id),
"-r", volOptions.RootPath,
"-o", "nonempty",
}
@ -121,19 +121,19 @@ func mountFuse(mountPoint string, cr *credentials, volOptions *volumeOptions, vo
return nil
}
func (m *fuseMounter) mount(mountPoint string, cr *credentials, volOptions *volumeOptions, volId volumeID) error {
func (m *fuseMounter) mount(mountPoint string, cr *credentials, volOptions *volumeOptions, volID volumeID) error {
if err := createMountPoint(mountPoint); err != nil {
return err
}
return mountFuse(mountPoint, cr, volOptions, volId)
return mountFuse(mountPoint, cr, volOptions, volID)
}
func (m *fuseMounter) name() string { return "Ceph FUSE driver" }
type kernelMounter struct{}
func mountKernel(mountPoint string, cr *credentials, volOptions *volumeOptions, volId volumeID) error {
func mountKernel(mountPoint string, cr *credentials, volOptions *volumeOptions, volID volumeID) error {
if err := execCommandAndValidate("modprobe", "ceph"); err != nil {
return err
}
@ -143,16 +143,16 @@ func mountKernel(mountPoint string, cr *credentials, volOptions *volumeOptions,
fmt.Sprintf("%s:%s", volOptions.Monitors, volOptions.RootPath),
mountPoint,
"-o",
fmt.Sprintf("name=%s,secretfile=%s", cr.id, getCephSecretPath(volId, cr.id)),
fmt.Sprintf("name=%s,secretfile=%s", cr.id, getCephSecretPath(volID, cr.id)),
)
}
func (m *kernelMounter) mount(mountPoint string, cr *credentials, volOptions *volumeOptions, volId volumeID) error {
func (m *kernelMounter) mount(mountPoint string, cr *credentials, volOptions *volumeOptions, volID volumeID) error {
if err := createMountPoint(mountPoint); err != nil {
return err
}
return mountKernel(mountPoint, cr, volOptions, volId)
return mountKernel(mountPoint, cr, volOptions, volID)
}
func (m *kernelMounter) name() string { return "Ceph kernel client" }

126
pkg/rbd/controllerserver.go
View File

@ -39,7 +39,7 @@ const (
oneGB = 1073741824
)
type controllerServer struct {
type ControllerServer struct {
*csicommon.DefaultControllerServer
MetadataStore util.CachePersister
}
@ -49,7 +49,7 @@ var (
rbdSnapshots = map[string]*rbdSnapshot{}
)
func (cs *controllerServer) LoadExDataFromMetadataStore() error {
func (cs *ControllerServer) LoadExDataFromMetadataStore() error {
vol := &rbdVolume{}
cs.MetadataStore.ForAll("csi-rbd-vol-", vol, func(identifier string) error {
rbdVolumes[identifier] = vol
@ -65,19 +65,26 @@ func (cs *controllerServer) LoadExDataFromMetadataStore() error {
return nil
}
func (cs *controllerServer) CreateVolume(ctx context.Context, req *csi.CreateVolumeRequest) (*csi.CreateVolumeResponse, error) {
func (cs *ControllerServer) validateVolumeReq(req *csi.CreateVolumeRequest) error {
if err := cs.Driver.ValidateControllerServiceRequest(csi.ControllerServiceCapability_RPC_CREATE_DELETE_VOLUME); err != nil {
glog.V(3).Infof("invalid create volume req: %v", req)
return nil, err
return err
}
// Check sanity of request Name, Volume Capabilities
if len(req.Name) == 0 {
return nil, status.Error(codes.InvalidArgument, "Volume Name cannot be empty")
return status.Error(codes.InvalidArgument, "Volume Name cannot be empty")
}
if req.VolumeCapabilities == nil {
return nil, status.Error(codes.InvalidArgument, "Volume Capabilities cannot be empty")
return status.Error(codes.InvalidArgument, "Volume Capabilities cannot be empty")
}
return nil
}
func (cs *ControllerServer) CreateVolume(ctx context.Context, req *csi.CreateVolumeRequest) (*csi.CreateVolumeResponse, error) {
if err := cs.validateVolumeReq(req); err != nil {
return nil, err
}
volumeNameMutex.LockKey(req.GetName())
defer volumeNameMutex.UnlockKey(req.GetName())
@ -87,13 +94,13 @@ func (cs *controllerServer) CreateVolume(ctx context.Context, req *csi.CreateVol
// Since err is nil, it means the volume with the same name already exists
// need to check if the size of exisiting volume is the same as in new
// request
if exVol.VolSize >= int64(req.GetCapacityRange().GetRequiredBytes()) {
if exVol.VolSize >= req.GetCapacityRange().GetRequiredBytes() {
// exisiting volume is compatible with new request and should be reused.
// TODO (sbezverk) Do I need to make sure that RBD volume still exists?
return &csi.CreateVolumeResponse{
Volume: &csi.Volume{
VolumeId: exVol.VolID,
CapacityBytes: int64(exVol.VolSize),
CapacityBytes: exVol.VolSize,
VolumeContext: req.GetParameters(),
},
}, nil
@ -120,49 +127,32 @@ func (cs *controllerServer) CreateVolume(ctx context.Context, req *csi.CreateVol
// Volume Size - Default is 1 GiB
volSizeBytes := int64(oneGB)
if req.GetCapacityRange() != nil {
volSizeBytes = int64(req.GetCapacityRange().GetRequiredBytes())
volSizeBytes = req.GetCapacityRange().GetRequiredBytes()
}
rbdVol.VolSize = volSizeBytes
volSizeGB := int(volSizeBytes / 1024 / 1024 / 1024)
// Check if there is already RBD image with requested name
found, _, _ := rbdStatus(rbdVol, rbdVol.UserId, req.GetSecrets())
found, _, _ := rbdStatus(rbdVol, rbdVol.UserID, req.GetSecrets())
if !found {
// if VolumeContentSource is not nil, this request is for snapshot
if req.VolumeContentSource != nil {
snapshot := req.VolumeContentSource.GetSnapshot()
if snapshot == nil {
return nil, status.Error(codes.InvalidArgument, "Volume Snapshot cannot be empty")
}
snapshotID := snapshot.GetSnapshotId()
if len(snapshotID) == 0 {
return nil, status.Error(codes.InvalidArgument, "Volume Snapshot ID cannot be empty")
}
rbdSnap := &rbdSnapshot{}
if err := cs.MetadataStore.Get(snapshotID, rbdSnap); err != nil {
if err = cs.checkSnapshot(req, rbdVol); err != nil {
return nil, err
}
err = restoreSnapshot(rbdVol, rbdSnap, rbdVol.AdminId, req.GetSecrets())
if err != nil {
return nil, err
}
glog.V(4).Infof("create volume %s from snapshot %s", volName, rbdSnap.SnapName)
} else {
if err := createRBDImage(rbdVol, volSizeGB, rbdVol.AdminId, req.GetSecrets()); err != nil {
if err != nil {
glog.Warningf("failed to create volume: %v", err)
return nil, err
}
err = createRBDImage(rbdVol, volSizeGB, rbdVol.AdminID, req.GetSecrets())
if err != nil {
glog.Warningf("failed to create volume: %v", err)
return nil, err
}
glog.V(4).Infof("create volume %s", volName)
}
}
if err := cs.MetadataStore.Create(volumeID, rbdVol); err != nil {
if err = cs.MetadataStore.Create(volumeID, rbdVol); err != nil {
glog.Warningf("failed to store volume metadata with error: %v", err)
if err := deleteRBDImage(rbdVol, rbdVol.AdminId, req.GetSecrets()); err != nil {
if err = deleteRBDImage(rbdVol, rbdVol.AdminID, req.GetSecrets()); err != nil {
glog.V(3).Infof("failed to delete rbd image: %s/%s with error: %v", rbdVol.Pool, rbdVol.VolName, err)
return nil, err
}
@ -173,13 +163,37 @@ func (cs *controllerServer) CreateVolume(ctx context.Context, req *csi.CreateVol
return &csi.CreateVolumeResponse{
Volume: &csi.Volume{
VolumeId: volumeID,
CapacityBytes: int64(volSizeBytes),
CapacityBytes: volSizeBytes,
VolumeContext: req.GetParameters(),
},
}, nil
}
func (cs *controllerServer) DeleteVolume(ctx context.Context, req *csi.DeleteVolumeRequest) (*csi.DeleteVolumeResponse, error) {
func (cs *ControllerServer) checkSnapshot(req *csi.CreateVolumeRequest, rbdVol *rbdVolume) error {
snapshot := req.VolumeContentSource.GetSnapshot()
if snapshot == nil {
return status.Error(codes.InvalidArgument, "Volume Snapshot cannot be empty")
}
snapshotID := snapshot.GetSnapshotId()
if len(snapshotID) == 0 {
return status.Error(codes.InvalidArgument, "Volume Snapshot ID cannot be empty")
}
rbdSnap := &rbdSnapshot{}
if err := cs.MetadataStore.Get(snapshotID, rbdSnap); err != nil {
return err
}
err := restoreSnapshot(rbdVol, rbdSnap, rbdVol.AdminID, req.GetSecrets())
if err != nil {
return err
}
glog.V(4).Infof("create volume %s from snapshot %s", req.GetName(), rbdSnap.SnapName)
return nil
}
func (cs *ControllerServer) DeleteVolume(ctx context.Context, req *csi.DeleteVolumeRequest) (*csi.DeleteVolumeResponse, error) {
if err := cs.Driver.ValidateControllerServiceRequest(csi.ControllerServiceCapability_RPC_CREATE_DELETE_VOLUME); err != nil {
glog.Warningf("invalid delete volume req: %v", req)
return nil, err
@ -199,7 +213,7 @@ func (cs *controllerServer) DeleteVolume(ctx context.Context, req *csi.DeleteVol
volName := rbdVol.VolName
// Deleting rbd image
glog.V(4).Infof("deleting volume %s", volName)
if err := deleteRBDImage(rbdVol, rbdVol.AdminId, req.GetSecrets()); err != nil {
if err := deleteRBDImage(rbdVol, rbdVol.AdminID, req.GetSecrets()); err != nil {
// TODO: can we detect "already deleted" situations here and proceed?
glog.V(3).Infof("failed to delete rbd image: %s/%s with error: %v", rbdVol.Pool, volName, err)
return nil, err
@ -213,7 +227,7 @@ func (cs *controllerServer) DeleteVolume(ctx context.Context, req *csi.DeleteVol
return &csi.DeleteVolumeResponse{}, nil
}
func (cs *controllerServer) ValidateVolumeCapabilities(ctx context.Context, req *csi.ValidateVolumeCapabilitiesRequest) (*csi.ValidateVolumeCapabilitiesResponse, error) {
func (cs *ControllerServer) ValidateVolumeCapabilities(ctx context.Context, req *csi.ValidateVolumeCapabilitiesRequest) (*csi.ValidateVolumeCapabilitiesResponse, error) {
for _, cap := range req.VolumeCapabilities {
if cap.GetAccessMode().GetMode() != csi.VolumeCapability_AccessMode_SINGLE_NODE_WRITER {
return &csi.ValidateVolumeCapabilitiesResponse{Message: ""}, nil
@ -226,15 +240,15 @@ func (cs *controllerServer) ValidateVolumeCapabilities(ctx context.Context, req
}, nil
}
func (cs *controllerServer) ControllerUnpublishVolume(ctx context.Context, req *csi.ControllerUnpublishVolumeRequest) (*csi.ControllerUnpublishVolumeResponse, error) {
func (cs *ControllerServer) ControllerUnpublishVolume(ctx context.Context, req *csi.ControllerUnpublishVolumeRequest) (*csi.ControllerUnpublishVolumeResponse, error) {
return &csi.ControllerUnpublishVolumeResponse{}, nil
}
func (cs *controllerServer) ControllerPublishVolume(ctx context.Context, req *csi.ControllerPublishVolumeRequest) (*csi.ControllerPublishVolumeResponse, error) {
func (cs *ControllerServer) ControllerPublishVolume(ctx context.Context, req *csi.ControllerPublishVolumeRequest) (*csi.ControllerPublishVolumeResponse, error) {
return &csi.ControllerPublishVolumeResponse{}, nil
}
func (cs *controllerServer) CreateSnapshot(ctx context.Context, req *csi.CreateSnapshotRequest) (*csi.CreateSnapshotResponse, error) {
func (cs *ControllerServer) CreateSnapshot(ctx context.Context, req *csi.CreateSnapshotRequest) (*csi.CreateSnapshotResponse, error) {
if err := cs.Driver.ValidateControllerServiceRequest(csi.ControllerServiceCapability_RPC_CREATE_DELETE_SNAPSHOT); err != nil {
glog.Warningf("invalid create snapshot req: %v", req)
return nil, err
@ -293,7 +307,7 @@ func (cs *controllerServer) CreateSnapshot(ctx context.Context, req *csi.CreateS
rbdSnap.SourceVolumeID = req.GetSourceVolumeId()
rbdSnap.SizeBytes = rbdVolume.VolSize
err = createSnapshot(rbdSnap, rbdSnap.AdminId, req.GetSecrets())
err = createSnapshot(rbdSnap, rbdSnap.AdminID, req.GetSecrets())
// if we already have the snapshot, return the snapshot
if err != nil {
if exitErr, ok := err.(*exec.ExitError); ok {
@ -314,10 +328,10 @@ func (cs *controllerServer) CreateSnapshot(ctx context.Context, req *csi.CreateS
}
} else {
glog.V(4).Infof("create snapshot %s", snapName)
err = protectSnapshot(rbdSnap, rbdSnap.AdminId, req.GetSecrets())
err = protectSnapshot(rbdSnap, rbdSnap.AdminID, req.GetSecrets())
if err != nil {
err = deleteSnapshot(rbdSnap, rbdSnap.AdminId, req.GetSecrets())
err = deleteSnapshot(rbdSnap, rbdSnap.AdminID, req.GetSecrets())
if err != nil {
return nil, fmt.Errorf("snapshot is created but failed to protect and delete snapshot: %v", err)
}
@ -327,16 +341,16 @@ func (cs *controllerServer) CreateSnapshot(ctx context.Context, req *csi.CreateS
rbdSnap.CreatedAt = ptypes.TimestampNow().GetSeconds()
if err := cs.MetadataStore.Create(snapshotID, rbdSnap); err != nil {
if err = cs.MetadataStore.Create(snapshotID, rbdSnap); err != nil {
glog.Warningf("rbd: failed to store snapInfo with error: %v", err)
// Unprotect snapshot
err := unprotectSnapshot(rbdSnap, rbdSnap.AdminId, req.GetSecrets())
err = unprotectSnapshot(rbdSnap, rbdSnap.AdminID, req.GetSecrets())
if err != nil {
return nil, status.Errorf(codes.Unknown, "This Snapshot should be removed but failed to unprotect snapshot: %s/%s with error: %v", rbdSnap.Pool, rbdSnap.SnapName, err)
}
// Deleting snapshot
glog.V(4).Infof("deleting Snaphot %s", rbdSnap.SnapName)
if err := deleteSnapshot(rbdSnap, rbdSnap.AdminId, req.GetSecrets()); err != nil {
if err = deleteSnapshot(rbdSnap, rbdSnap.AdminID, req.GetSecrets()); err != nil {
return nil, status.Errorf(codes.Unknown, "This Snapshot should be removed but failed to delete snapshot: %s/%s with error: %v", rbdSnap.Pool, rbdSnap.SnapName, err)
}
return nil, err
@ -356,7 +370,7 @@ func (cs *controllerServer) CreateSnapshot(ctx context.Context, req *csi.CreateS
}, nil
}
func (cs *controllerServer) DeleteSnapshot(ctx context.Context, req *csi.DeleteSnapshotRequest) (*csi.DeleteSnapshotResponse, error) {
func (cs *ControllerServer) DeleteSnapshot(ctx context.Context, req *csi.DeleteSnapshotRequest) (*csi.DeleteSnapshotResponse, error) {
if err := cs.Driver.ValidateControllerServiceRequest(csi.ControllerServiceCapability_RPC_CREATE_DELETE_SNAPSHOT); err != nil {
glog.Warningf("invalid delete snapshot req: %v", req)
return nil, err
@ -375,14 +389,14 @@ func (cs *controllerServer) DeleteSnapshot(ctx context.Context, req *csi.DeleteS
}
// Unprotect snapshot
err := unprotectSnapshot(rbdSnap, rbdSnap.AdminId, req.GetSecrets())
err := unprotectSnapshot(rbdSnap, rbdSnap.AdminID, req.GetSecrets())
if err != nil {
return nil, status.Errorf(codes.FailedPrecondition, "failed to unprotect snapshot: %s/%s with error: %v", rbdSnap.Pool, rbdSnap.SnapName, err)
}
// Deleting snapshot
glog.V(4).Infof("deleting Snaphot %s", rbdSnap.SnapName)
if err := deleteSnapshot(rbdSnap, rbdSnap.AdminId, req.GetSecrets()); err != nil {
if err := deleteSnapshot(rbdSnap, rbdSnap.AdminID, req.GetSecrets()); err != nil {
return nil, status.Errorf(codes.FailedPrecondition, "failed to delete snapshot: %s/%s with error: %v", rbdSnap.Pool, rbdSnap.SnapName, err)
}
@ -395,13 +409,13 @@ func (cs *controllerServer) DeleteSnapshot(ctx context.Context, req *csi.DeleteS
return &csi.DeleteSnapshotResponse{}, nil
}
func (cs *controllerServer) ListSnapshots(ctx context.Context, req *csi.ListSnapshotsRequest) (*csi.ListSnapshotsResponse, error) {
func (cs *ControllerServer) ListSnapshots(ctx context.Context, req *csi.ListSnapshotsRequest) (*csi.ListSnapshotsResponse, error) {
if err := cs.Driver.ValidateControllerServiceRequest(csi.ControllerServiceCapability_RPC_LIST_SNAPSHOTS); err != nil {
glog.Warningf("invalid list snapshot req: %v", req)
return nil, err
}
sourceVolumeId := req.GetSourceVolumeId()
sourceVolumeID := req.GetSourceVolumeId()
// TODO (sngchlko) list with token
// TODO (#94) protect concurrent access to global data structures
@ -410,8 +424,8 @@ func (cs *controllerServer) ListSnapshots(ctx context.Context, req *csi.ListSnap
if snapshotID := req.GetSnapshotId(); len(snapshotID) != 0 {
if rbdSnap, ok := rbdSnapshots[snapshotID]; ok {
// if source volume ID also set, check source volume id on the cache.
if len(sourceVolumeId) != 0 && rbdSnap.SourceVolumeID != sourceVolumeId {
return nil, status.Errorf(codes.Unknown, "Requested Source Volume ID %s is different from %s", sourceVolumeId, rbdSnap.SourceVolumeID)
if len(sourceVolumeID) != 0 && rbdSnap.SourceVolumeID != sourceVolumeID {
return nil, status.Errorf(codes.Unknown, "Requested Source Volume ID %s is different from %s", sourceVolumeID, rbdSnap.SourceVolumeID)
}
return &csi.ListSnapshotsResponse{
Entries: []*csi.ListSnapshotsResponse_Entry{
@ -436,7 +450,7 @@ func (cs *controllerServer) ListSnapshots(ctx context.Context, req *csi.ListSnap
entries := []*csi.ListSnapshotsResponse_Entry{}
for _, rbdSnap := range rbdSnapshots {
// if source volume ID also set, check source volume id on the cache.
if len(sourceVolumeId) != 0 && rbdSnap.SourceVolumeID != sourceVolumeId {
if len(sourceVolumeID) != 0 && rbdSnap.SourceVolumeID != sourceVolumeID {
continue
}
entries = append(entries, &csi.ListSnapshotsResponse_Entry{

4
pkg/rbd/identityserver.go
View File

@ -23,11 +23,11 @@ import (
"github.com/kubernetes-csi/drivers/pkg/csi-common"
)
type identityServer struct {
type IdentityServer struct {
*csicommon.DefaultIdentityServer
}
func (is *identityServer) GetPluginCapabilities(ctx context.Context, req *csi.GetPluginCapabilitiesRequest) (*csi.GetPluginCapabilitiesResponse, error) {
func (is *IdentityServer) GetPluginCapabilities(ctx context.Context, req *csi.GetPluginCapabilitiesRequest) (*csi.GetPluginCapabilitiesResponse, error) {
return &csi.GetPluginCapabilitiesResponse{
Capabilities: []*csi.PluginCapability{
{

14
pkg/rbd/nodeserver.go
View File

@ -35,12 +35,12 @@ import (
"github.com/kubernetes-csi/drivers/pkg/csi-common"
)
type nodeServer struct {
type NodeServer struct {
*csicommon.DefaultNodeServer
mounter mount.Interface
}
func (ns *nodeServer) NodePublishVolume(ctx context.Context, req *csi.NodePublishVolumeRequest) (*csi.NodePublishVolumeResponse, error) {
func (ns *NodeServer) NodePublishVolume(ctx context.Context, req *csi.NodePublishVolumeRequest) (*csi.NodePublishVolumeResponse, error) {
targetPath := req.GetTargetPath()
targetPathMutex.LockKey(targetPath)
defer targetPathMutex.UnlockKey(targetPath)
@ -97,7 +97,7 @@ func (ns *nodeServer) NodePublishVolume(ctx context.Context, req *csi.NodePublis
}
volOptions.VolName = volName
// Mapping RBD image
devicePath, err := attachRBDImage(volOptions, volOptions.UserId, req.GetSecrets())
devicePath, err := attachRBDImage(volOptions, volOptions.UserID, req.GetSecrets())
if err != nil {
return nil, err
}
@ -132,7 +132,7 @@ func (ns *nodeServer) NodePublishVolume(ctx context.Context, req *csi.NodePublis
return &csi.NodePublishVolumeResponse{}, nil
}
func (ns *nodeServer) NodeUnpublishVolume(ctx context.Context, req *csi.NodeUnpublishVolumeRequest) (*csi.NodeUnpublishVolumeResponse, error) {
func (ns *NodeServer) NodeUnpublishVolume(ctx context.Context, req *csi.NodeUnpublishVolumeRequest) (*csi.NodeUnpublishVolumeResponse, error) {
targetPath := req.GetTargetPath()
targetPathMutex.LockKey(targetPath)
defer targetPathMutex.UnlockKey(targetPath)
@ -202,7 +202,7 @@ func (ns *nodeServer) NodeUnpublishVolume(ctx context.Context, req *csi.NodeUnpu
return &csi.NodeUnpublishVolumeResponse{}, nil
}
func (ns *nodeServer) NodeStageVolume(
func (ns *NodeServer) NodeStageVolume(
ctx context.Context,
req *csi.NodeStageVolumeRequest) (
*csi.NodeStageVolumeResponse, error) {
@ -210,7 +210,7 @@ func (ns *nodeServer) NodeStageVolume(
return nil, status.Error(codes.Unimplemented, "")
}
func (ns *nodeServer) NodeUnstageVolume(
func (ns *NodeServer) NodeUnstageVolume(
ctx context.Context,
req *csi.NodeUnstageVolumeRequest) (
*csi.NodeUnstageVolumeResponse, error) {
@ -218,7 +218,7 @@ func (ns *nodeServer) NodeUnstageVolume(
return nil, status.Error(codes.Unimplemented, "")
}
func (ns *nodeServer) NodeGetInfo(ctx context.Context, req *csi.NodeGetInfoRequest) (*csi.NodeGetInfoResponse, error) {
func (ns *NodeServer) NodeGetInfo(ctx context.Context, req *csi.NodeGetInfoRequest) (*csi.NodeGetInfoResponse, error) {
return ns.DefaultNodeServer.NodeGetInfo(ctx, req)
}

56
pkg/rbd/rbd.go
View File

@ -31,44 +31,40 @@ import (
// PluginFolder defines the location of rbdplugin
const (
PluginFolder = "/var/lib/kubelet/plugins/csi-rbdplugin"
rbdDefaultAdminId = "admin"
rbdDefaultUserId = rbdDefaultAdminId
rbdDefaultAdminID = "admin"
rbdDefaultUserID = rbdDefaultAdminID
)
type rbd struct {
driver *csicommon.CSIDriver
type Driver struct {
cd *csicommon.CSIDriver
ids *identityServer
ns *nodeServer
cs *controllerServer
cap []*csi.VolumeCapability_AccessMode
cscap []*csi.ControllerServiceCapability
ids *IdentityServer
ns *NodeServer
cs *ControllerServer
}
var (
rbdDriver *rbd
version = "1.0.0"
version = "1.0.0"
)
func GetRBDDriver() *rbd {
return &rbd{}
func GetDriver() *Driver {
return &Driver{}
}
func NewIdentityServer(d *csicommon.CSIDriver) *identityServer {
return &identityServer{
func NewIdentityServer(d *csicommon.CSIDriver) *IdentityServer {
return &IdentityServer{
DefaultIdentityServer: csicommon.NewDefaultIdentityServer(d),
}
}
func NewControllerServer(d *csicommon.CSIDriver, cachePersister util.CachePersister) *controllerServer {
return &controllerServer{
func NewControllerServer(d *csicommon.CSIDriver, cachePersister util.CachePersister) *ControllerServer {
return &ControllerServer{
DefaultControllerServer: csicommon.NewDefaultControllerServer(d),
MetadataStore: cachePersister,
}
}
func NewNodeServer(d *csicommon.CSIDriver, containerized bool) (*nodeServer, error) {
func NewNodeServer(d *csicommon.CSIDriver, containerized bool) (*NodeServer, error) {
mounter := mount.New("")
if containerized {
ne, err := nsenter.NewNsenter(nsenter.DefaultHostRootFsPath, exec.New())
@ -77,40 +73,40 @@ func NewNodeServer(d *csicommon.CSIDriver, containerized bool) (*nodeServer, err
}
mounter = mount.NewNsenterMounter("", ne)
}
return &nodeServer{
return &NodeServer{
DefaultNodeServer: csicommon.NewDefaultNodeServer(d),
mounter: mounter,
}, nil
}
func (rbd *rbd) Run(driverName, nodeID, endpoint string, containerized bool, cachePersister util.CachePersister) {
func (r *Driver) Run(driverName, nodeID, endpoint string, containerized bool, cachePersister util.CachePersister) {
var err error
glog.Infof("Driver: %v version: %v", driverName, version)
// Initialize default library driver
rbd.driver = csicommon.NewCSIDriver(driverName, version, nodeID)
if rbd.driver == nil {
r.cd = csicommon.NewCSIDriver(driverName, version, nodeID)
if r.cd == nil {
glog.Fatalln("Failed to initialize CSI Driver.")
}
rbd.driver.AddControllerServiceCapabilities([]csi.ControllerServiceCapability_RPC_Type{
r.cd.AddControllerServiceCapabilities([]csi.ControllerServiceCapability_RPC_Type{
csi.ControllerServiceCapability_RPC_CREATE_DELETE_VOLUME,
csi.ControllerServiceCapability_RPC_PUBLISH_UNPUBLISH_VOLUME,
csi.ControllerServiceCapability_RPC_CREATE_DELETE_SNAPSHOT,
csi.ControllerServiceCapability_RPC_LIST_SNAPSHOTS,
})
rbd.driver.AddVolumeCapabilityAccessModes([]csi.VolumeCapability_AccessMode_Mode{csi.VolumeCapability_AccessMode_SINGLE_NODE_WRITER})
r.cd.AddVolumeCapabilityAccessModes([]csi.VolumeCapability_AccessMode_Mode{csi.VolumeCapability_AccessMode_SINGLE_NODE_WRITER})
// Create GRPC servers
rbd.ids = NewIdentityServer(rbd.driver)
rbd.ns, err = NewNodeServer(rbd.driver, containerized)
r.ids = NewIdentityServer(r.cd)
r.ns, err = NewNodeServer(r.cd, containerized)
if err != nil {
glog.Fatalf("failed to start node server, err %v\n", err)
}
rbd.cs = NewControllerServer(rbd.driver, cachePersister)
rbd.cs.LoadExDataFromMetadataStore()
r.cs = NewControllerServer(r.cd, cachePersister)
r.cs.LoadExDataFromMetadataStore()
s := csicommon.NewNonBlockingGRPCServer()
s.Start(endpoint, rbd.ids, rbd.cs, rbd.ns)
s.Start(endpoint, r.ids, r.cs, r.ns)
s.Wait()
}

45
pkg/rbd/rbd_attach.go
View File

@ -31,6 +31,9 @@ import (
const (
envHostRootFS = "HOST_ROOTFS"
rbdTonbd = "rbd-nbd"
rbd = "rbd"
nbd = "nbd"
)
var (
@ -46,18 +49,6 @@ func init() {
hasNBD = checkRbdNbdTools()
}
func getDevFromImageAndPool(pool, image string) (string, bool) {
device, found := getRbdDevFromImageAndPool(pool, image)
if found {
return device, true
}
device, found = getNbdDevFromImageAndPool(pool, image)
if found {
return device, true
}
return "", false
}
// Search /sys/bus for rbd device that matches given pool and image.
func getRbdDevFromImageAndPool(pool string, image string) (string, bool) {
// /sys/bus/rbd/devices/X/name and /sys/bus/rbd/devices/X/pool
@ -166,7 +157,7 @@ func getNbdDevFromImageAndPool(pool string, image string) (string, bool) {
// Check if this process is mapping a rbd device.
// Only accepted pattern of cmdline is from execRbdMap:
// rbd-nbd map pool/image ...
if len(cmdlineArgs) < 3 || cmdlineArgs[0] != "rbd-nbd" || cmdlineArgs[1] != "map" {
if len(cmdlineArgs) < 3 || cmdlineArgs[0] != rbdTonbd || cmdlineArgs[1] != "map" {
glog.V(4).Infof("nbd device %s is not used by rbd", nbdPath)
continue
}
@ -211,7 +202,7 @@ func checkRbdNbdTools() bool {
glog.V(3).Infof("rbd-nbd: nbd modprobe failed with error %v", err)
return false
}
if _, err := execCommand("rbd-nbd", []string{"--version"}); err != nil {
if _, err := execCommand(rbdTonbd, []string{"--version"}); err != nil {
glog.V(3).Infof("rbd-nbd: running rbd-nbd --version failed with error %v", err)
return false
}
@ -219,7 +210,7 @@ func checkRbdNbdTools() bool {
return true
}
func attachRBDImage(volOptions *rbdVolume, userId string, credentials map[string]string) (string, error) {
func attachRBDImage(volOptions *rbdVolume, userID string, credentials map[string]string) (string, error) {
var err error
var output []byte
@ -227,18 +218,18 @@ func attachRBDImage(volOptions *rbdVolume, userId string, credentials map[string
imagePath := fmt.Sprintf("%s/%s", volOptions.Pool, image)
useNBD := false
cmdName := "rbd"
moduleName := "rbd"
if volOptions.Mounter == "rbd-nbd" && hasNBD {
cmdName := rbd
moduleName := rbd
if volOptions.Mounter == rbdTonbd && hasNBD {
useNBD = true
cmdName = "rbd-nbd"
moduleName = "nbd"
cmdName = rbdTonbd
moduleName = nbd
}
devicePath, found := waitForPath(volOptions.Pool, image, 1, useNBD)
if !found {
attachdetachMutex.LockKey(string(imagePath))
defer attachdetachMutex.UnlockKey(string(imagePath))
attachdetachMutex.LockKey(imagePath)
defer attachdetachMutex.UnlockKey(imagePath)
_, err = execCommand("modprobe", []string{moduleName})
if err != nil {
@ -251,7 +242,7 @@ func attachRBDImage(volOptions *rbdVolume, userId string, credentials map[string
Steps: rbdImageWatcherSteps,
}
err := wait.ExponentialBackoff(backoff, func() (bool, error) {
used, rbdOutput, err := rbdStatus(volOptions, userId, credentials)
used, rbdOutput, err := rbdStatus(volOptions, userID, credentials)
if err != nil {
return false, fmt.Errorf("fail to check rbd image status with: (%v), rbd output: (%s)", err, rbdOutput)
}
@ -272,12 +263,12 @@ func attachRBDImage(volOptions *rbdVolume, userId string, credentials map[string
}
glog.V(5).Infof("rbd: map mon %s", mon)
key, err := getRBDKey(userId, credentials)
key, err := getRBDKey(userID, credentials)
if err != nil {
return "", err
}
output, err = execCommand(cmdName, []string{
"map", imagePath, "--id", userId, "-m", mon, "--key=" + key})
"map", imagePath, "--id", userID, "-m", mon, "--key=" + key})
if err != nil {
glog.Warningf("rbd: map error %v, rbd output: %s", err, string(output))
return "", fmt.Errorf("rbd: map failed %v, rbd output: %s", err, string(output))
@ -297,9 +288,9 @@ func detachRBDDevice(devicePath string) error {
glog.V(3).Infof("rbd: unmap device %s", devicePath)
cmdName := "rbd"
cmdName := rbd
if strings.HasPrefix(devicePath, "/dev/nbd") {
cmdName = "rbd-nbd"
cmdName = rbdTonbd
}
output, err = execCommand(cmdName, []string{"unmap", devicePath})

100
pkg/rbd/rbd_util.go
View File

@ -30,11 +30,7 @@ import (
const (
imageWatcherStr = "watcher="
rbdImageFormat1 = "1"
rbdImageFormat2 = "2"
imageSizeStr = "size "
sizeDivStr = " MB in"
kubeLockMagic = "kubelet_lock_magic_"
// The following three values are used for 30 seconds timeout
// while waiting for RBD Watcher to expire.
rbdImageWatcherInitDelay = 1 * time.Second
@ -52,8 +48,8 @@ type rbdVolume struct {
ImageFormat string `json:"imageFormat"`
ImageFeatures string `json:"imageFeatures"`
VolSize int64 `json:"volSize"`
AdminId string `json:"adminId"`
UserId string `json:"userId"`
AdminID string `json:"adminId"`
UserID string `json:"userId"`
Mounter string `json:"mounter"`
}
@ -67,8 +63,8 @@ type rbdSnapshot struct {
Pool string `json:"pool"`
CreatedAt int64 `json:"createdAt"`
SizeBytes int64 `json:"sizeBytes"`
AdminId string `json:"adminId"`
UserId string `json:"userId"`
AdminID string `json:"adminId"`
UserID string `json:"userId"`
}
var (
@ -115,7 +111,7 @@ func getMon(pOpts *rbdVolume, credentials map[string]string) (string, error) {
}
// CreateImage creates a new ceph image with provision and volume options.
func createRBDImage(pOpts *rbdVolume, volSz int, adminId string, credentials map[string]string) error {
func createRBDImage(pOpts *rbdVolume, volSz int, adminID string, credentials map[string]string) error {
var output []byte
mon, err := getMon(pOpts, credentials)
@ -126,16 +122,16 @@ func createRBDImage(pOpts *rbdVolume, volSz int, adminId string, credentials map
image := pOpts.VolName
volSzGB := fmt.Sprintf("%dG", volSz)
key, err := getRBDKey(adminId, credentials)
key, err := getRBDKey(adminID, credentials)
if err != nil {
return err
}
if pOpts.ImageFormat == rbdImageFormat2 {
glog.V(4).Infof("rbd: create %s size %s format %s (features: %s) using mon %s, pool %s id %s key %s", image, volSzGB, pOpts.ImageFormat, pOpts.ImageFeatures, mon, pOpts.Pool, adminId, key)
glog.V(4).Infof("rbd: create %s size %s format %s (features: %s) using mon %s, pool %s id %s key %s", image, volSzGB, pOpts.ImageFormat, pOpts.ImageFeatures, mon, pOpts.Pool, adminID, key)
} else {
glog.V(4).Infof("rbd: create %s size %s format %s using mon %s, pool %s id %s key %s", image, volSzGB, pOpts.ImageFormat, mon, pOpts.Pool, adminId, key)
glog.V(4).Infof("rbd: create %s size %s format %s using mon %s, pool %s id %s key %s", image, volSzGB, pOpts.ImageFormat, mon, pOpts.Pool, adminID, key)
}
args := []string{"create", image, "--size", volSzGB, "--pool", pOpts.Pool, "--id", adminId, "-m", mon, "--key=" + key, "--image-format", pOpts.ImageFormat}
args := []string{"create", image, "--size", volSzGB, "--pool", pOpts.Pool, "--id", adminID, "-m", mon, "--key=" + key, "--image-format", pOpts.ImageFormat}
if pOpts.ImageFormat == rbdImageFormat2 {
args = append(args, "--image-feature", pOpts.ImageFeatures)
}
@ -150,14 +146,14 @@ func createRBDImage(pOpts *rbdVolume, volSz int, adminId string, credentials map
// rbdStatus checks if there is watcher on the image.
// It returns true if there is a watcher onthe image, otherwise returns false.
func rbdStatus(pOpts *rbdVolume, userId string, credentials map[string]string) (bool, string, error) {
func rbdStatus(pOpts *rbdVolume, userID string, credentials map[string]string) (bool, string, error) {
var output string
var cmd []byte
image := pOpts.VolName
// If we don't have admin id/secret (e.g. attaching), fallback to user id/secret.
key, err := getRBDKey(userId, credentials)
key, err := getRBDKey(userID, credentials)
if err != nil {
return false, "", err
}
@ -167,8 +163,8 @@ func rbdStatus(pOpts *rbdVolume, userId string, credentials map[string]string) (
return false, "", err
}
glog.V(4).Infof("rbd: status %s using mon %s, pool %s id %s key %s", image, mon, pOpts.Pool, userId, key)
args := []string{"status", image, "--pool", pOpts.Pool, "-m", mon, "--id", userId, "--key=" + key}
glog.V(4).Infof("rbd: status %s using mon %s, pool %s id %s key %s", image, mon, pOpts.Pool, userID, key)
args := []string{"status", image, "--pool", pOpts.Pool, "-m", mon, "--id", userID, "--key=" + key}
cmd, err = execCommand("rbd", args)
output = string(cmd)
@ -194,10 +190,10 @@ func rbdStatus(pOpts *rbdVolume, userId string, credentials map[string]string) (
}
// DeleteImage deletes a ceph image with provision and volume options.
func deleteRBDImage(pOpts *rbdVolume, adminId string, credentials map[string]string) error {
func deleteRBDImage(pOpts *rbdVolume, adminID string, credentials map[string]string) error {
var output []byte
image := pOpts.VolName
found, _, err := rbdStatus(pOpts, adminId, credentials)
found, _, err := rbdStatus(pOpts, adminID, credentials)
if err != nil {
return err
}
@ -205,7 +201,7 @@ func deleteRBDImage(pOpts *rbdVolume, adminId string, credentials map[string]str
glog.Info("rbd is still being used ", image)
return fmt.Errorf("rbd %s is still being used", image)
}
key, err := getRBDKey(adminId, credentials)
key, err := getRBDKey(adminID, credentials)
if err != nil {
return err
}
@ -214,8 +210,8 @@ func deleteRBDImage(pOpts *rbdVolume, adminId string, credentials map[string]str
return err
}
glog.V(4).Infof("rbd: rm %s using mon %s, pool %s id %s key %s", image, mon, pOpts.Pool, adminId, key)
args := []string{"rm", image, "--pool", pOpts.Pool, "--id", adminId, "-m", mon, "--key=" + key}
glog.V(4).Infof("rbd: rm %s using mon %s, pool %s id %s key %s", image, mon, pOpts.Pool, adminID, key)
args := []string{"rm", image, "--pool", pOpts.Pool, "--id", adminID, "-m", mon, "--key=" + key}
output, err = execCommand("rbd", args)
if err == nil {
return nil
@ -250,8 +246,8 @@ func getRBDVolumeOptions(volOptions map[string]string) (*rbdVolume, error) {
if rbdVol.ImageFormat == rbdImageFormat2 {
// if no image features is provided, it results in empty string
// which disable all RBD image format 2 features as we expected
imageFeatures, ok := volOptions["imageFeatures"]
if ok {
imageFeatures, found := volOptions["imageFeatures"]
if found {
arr := strings.Split(imageFeatures, ",")
for _, f := range arr {
if !supportedFeatures.Has(f) {
@ -262,13 +258,13 @@ func getRBDVolumeOptions(volOptions map[string]string) (*rbdVolume, error) {
}
}
rbdVol.AdminId, ok = volOptions["adminid"]
rbdVol.AdminID, ok = volOptions["adminid"]
if !ok {
rbdVol.AdminId = rbdDefaultAdminId
rbdVol.AdminID = rbdDefaultAdminID
}
rbdVol.UserId, ok = volOptions["userid"]
rbdVol.UserID, ok = volOptions["userid"]
if !ok {
rbdVol.UserId = rbdDefaultUserId
rbdVol.UserID = rbdDefaultUserID
}
rbdVol.Mounter, ok = volOptions["mounter"]
if !ok {
@ -291,13 +287,13 @@ func getRBDSnapshotOptions(snapOptions map[string]string) (*rbdSnapshot, error)
return nil, fmt.Errorf("Either monitors or monValueFromSecret must be set")
}
}
rbdSnap.AdminId, ok = snapOptions["adminid"]
rbdSnap.AdminID, ok = snapOptions["adminid"]
if !ok {
rbdSnap.AdminId = rbdDefaultAdminId
rbdSnap.AdminID = rbdDefaultAdminID
}
rbdSnap.UserId, ok = snapOptions["userid"]
rbdSnap.UserID, ok = snapOptions["userid"]
if !ok {
rbdSnap.UserId = rbdDefaultUserId
rbdSnap.UserID = rbdDefaultUserID
}
return rbdSnap, nil
@ -355,13 +351,13 @@ func getSnapMon(pOpts *rbdSnapshot, credentials map[string]string) (string, erro
return mon, nil
}
func protectSnapshot(pOpts *rbdSnapshot, adminId string, credentials map[string]string) error {
func protectSnapshot(pOpts *rbdSnapshot, adminID string, credentials map[string]string) error {
var output []byte
image := pOpts.VolName
snapID := pOpts.SnapID
key, err := getRBDKey(adminId, credentials)
key, err := getRBDKey(adminID, credentials)
if err != nil {
return err
}
@ -370,8 +366,8 @@ func protectSnapshot(pOpts *rbdSnapshot, adminId string, credentials map[string]
return err
}
glog.V(4).Infof("rbd: snap protect %s using mon %s, pool %s id %s key %s", image, mon, pOpts.Pool, adminId, key)
args := []string{"snap", "protect", "--pool", pOpts.Pool, "--snap", snapID, image, "--id", adminId, "-m", mon, "--key=" + key}
glog.V(4).Infof("rbd: snap protect %s using mon %s, pool %s id %s key %s", image, mon, pOpts.Pool, adminID, key)
args := []string{"snap", "protect", "--pool", pOpts.Pool, "--snap", snapID, image, "--id", adminID, "-m", mon, "--key=" + key}
output, err = execCommand("rbd", args)
@ -382,7 +378,7 @@ func protectSnapshot(pOpts *rbdSnapshot, adminId string, credentials map[string]
return nil
}
func createSnapshot(pOpts *rbdSnapshot, adminId string, credentials map[string]string) error {
func createSnapshot(pOpts *rbdSnapshot, adminID string, credentials map[string]string) error {
var output []byte
mon, err := getSnapMon(pOpts, credentials)
@ -393,12 +389,12 @@ func createSnapshot(pOpts *rbdSnapshot, adminId string, credentials map[string]s
image := pOpts.VolName
snapID := pOpts.SnapID
key, err := getRBDKey(adminId, credentials)
key, err := getRBDKey(adminID, credentials)
if err != nil {
return err
}
glog.V(4).Infof("rbd: snap create %s using mon %s, pool %s id %s key %s", image, mon, pOpts.Pool, adminId, key)
args := []string{"snap", "create", "--pool", pOpts.Pool, "--snap", snapID, image, "--id", adminId, "-m", mon, "--key=" + key}
glog.V(4).Infof("rbd: snap create %s using mon %s, pool %s id %s key %s", image, mon, pOpts.Pool, adminID, key)
args := []string{"snap", "create", "--pool", pOpts.Pool, "--snap", snapID, image, "--id", adminID, "-m", mon, "--key=" + key}
output, err = execCommand("rbd", args)
@ -409,7 +405,7 @@ func createSnapshot(pOpts *rbdSnapshot, adminId string, credentials map[string]s
return nil
}
func unprotectSnapshot(pOpts *rbdSnapshot, adminId string, credentials map[string]string) error {
func unprotectSnapshot(pOpts *rbdSnapshot, adminID string, credentials map[string]string) error {
var output []byte
mon, err := getSnapMon(pOpts, credentials)
@ -420,12 +416,12 @@ func unprotectSnapshot(pOpts *rbdSnapshot, adminId string, credentials map[strin
image := pOpts.VolName
snapID := pOpts.SnapID
key, err := getRBDKey(adminId, credentials)
key, err := getRBDKey(adminID, credentials)
if err != nil {
return err
}
glog.V(4).Infof("rbd: snap unprotect %s using mon %s, pool %s id %s key %s", image, mon, pOpts.Pool, adminId, key)
args := []string{"snap", "unprotect", "--pool", pOpts.Pool, "--snap", snapID, image, "--id", adminId, "-m", mon, "--key=" + key}
glog.V(4).Infof("rbd: snap unprotect %s using mon %s, pool %s id %s key %s", image, mon, pOpts.Pool, adminID, key)
args := []string{"snap", "unprotect", "--pool", pOpts.Pool, "--snap", snapID, image, "--id", adminID, "-m", mon, "--key=" + key}
output, err = execCommand("rbd", args)
@ -436,7 +432,7 @@ func unprotectSnapshot(pOpts *rbdSnapshot, adminId string, credentials map[strin
return nil
}
func deleteSnapshot(pOpts *rbdSnapshot, adminId string, credentials map[string]string) error {
func deleteSnapshot(pOpts *rbdSnapshot, adminID string, credentials map[string]string) error {
var output []byte
mon, err := getSnapMon(pOpts, credentials)
@ -447,12 +443,12 @@ func deleteSnapshot(pOpts *rbdSnapshot, adminId string, credentials map[string]s
image := pOpts.VolName
snapID := pOpts.SnapID
key, err := getRBDKey(adminId, credentials)
key, err := getRBDKey(adminID, credentials)
if err != nil {
return err
}
glog.V(4).Infof("rbd: snap rm %s using mon %s, pool %s id %s key %s", image, mon, pOpts.Pool, adminId, key)
args := []string{"snap", "rm", "--pool", pOpts.Pool, "--snap", snapID, image, "--id", adminId, "-m", mon, "--key=" + key}
glog.V(4).Infof("rbd: snap rm %s using mon %s, pool %s id %s key %s", image, mon, pOpts.Pool, adminID, key)
args := []string{"snap", "rm", "--pool", pOpts.Pool, "--snap", snapID, image, "--id", adminID, "-m", mon, "--key=" + key}
output, err = execCommand("rbd", args)
@ -463,7 +459,7 @@ func deleteSnapshot(pOpts *rbdSnapshot, adminId string, credentials map[string]s
return nil
}
func restoreSnapshot(pVolOpts *rbdVolume, pSnapOpts *rbdSnapshot, adminId string, credentials map[string]string) error {
func restoreSnapshot(pVolOpts *rbdVolume, pSnapOpts *rbdSnapshot, adminID string, credentials map[string]string) error {
var output []byte
mon, err := getMon(pVolOpts, credentials)
@ -474,12 +470,12 @@ func restoreSnapshot(pVolOpts *rbdVolume, pSnapOpts *rbdSnapshot, adminId string
image := pVolOpts.VolName
snapID := pSnapOpts.SnapID
key, err := getRBDKey(adminId, credentials)
key, err := getRBDKey(adminID, credentials)
if err != nil {
return err
}
glog.V(4).Infof("rbd: clone %s using mon %s, pool %s id %s key %s", image, mon, pVolOpts.Pool, adminId, key)
args := []string{"clone", pSnapOpts.Pool + "/" + pSnapOpts.VolName + "@" + snapID, pVolOpts.Pool + "/" + image, "--id", adminId, "-m", mon, "--key=" + key}
glog.V(4).Infof("rbd: clone %s using mon %s, pool %s id %s key %s", image, mon, pVolOpts.Pool, adminID, key)
args := []string{"clone", pSnapOpts.Pool + "/" + pSnapOpts.VolName + "@" + snapID, pVolOpts.Pool + "/" + image, "--id", adminID, "-m", mon, "--key=" + key}
output, err = execCommand("rbd", args)

2
pkg/util/cachepersister.go
View File

@ -35,7 +35,7 @@ type CachePersister interface {
Delete(identifier string) error
}
func NewCachePersister(metadataStore string, driverName string) (CachePersister, error) {
func NewCachePersister(metadataStore, driverName string) (CachePersister, error) {
if metadataStore == "k8s_configmap" {
glog.Infof("cache-perister: using kubernetes configmap as metadata cache persister")
k8scm := &K8sCMCache{}

53
pkg/util/k8scmcache.go
View File

@ -104,7 +104,7 @@ func (k8scm *K8sCMCache) ForAll(pattern string, destObj interface{}, f ForAllFun
if !match {
continue
}
if err := json.Unmarshal([]byte(data), destObj); err != nil {
if err = json.Unmarshal([]byte(data), destObj); err != nil {
return errors.Wrap(err, "k8s-cm-cache: unmarshal error")
}
if err = f(cm.ObjectMeta.Name); err != nil {
@ -119,33 +119,32 @@ func (k8scm *K8sCMCache) Create(identifier string, data interface{}) error {
if cm != nil && err == nil {
glog.V(4).Infof("k8s-cm-cache: configmap already exists, skipping configmap creation")
return nil
} else {
dataJson, err := json.Marshal(data)
if err != nil {
return errors.Wrap(err, "k8s-cm-cache: marshal error")
}
cm := &v1.ConfigMap{
ObjectMeta: metav1.ObjectMeta{
Name: identifier,
Namespace: k8scm.Namespace,
Labels: map[string]string{
csiMetadataLabelAttr: cmLabel,
},
},
Data: map[string]string{},
}
cm.Data[cmDataKey] = string(dataJson)
_, err = k8scm.Client.CoreV1().ConfigMaps(k8scm.Namespace).Create(cm)
if err != nil {
if apierrs.IsAlreadyExists(err) {
glog.V(4).Infof("k8s-cm-cache: configmap already exists")
return nil
}
return errors.Wrapf(err, "k8s-cm-cache: couldn't persist %s metadata as configmap", identifier)
}
}
dataJSON, err := json.Marshal(data)
if err != nil {
return errors.Wrap(err, "k8s-cm-cache: marshal error")
}
cm = &v1.ConfigMap{
ObjectMeta: metav1.ObjectMeta{
Name: identifier,
Namespace: k8scm.Namespace,
Labels: map[string]string{
csiMetadataLabelAttr: cmLabel,
},
},
Data: map[string]string{},
}
cm.Data[cmDataKey] = string(dataJSON)
_, err = k8scm.Client.CoreV1().ConfigMaps(k8scm.Namespace).Create(cm)
if err != nil {
if apierrs.IsAlreadyExists(err) {
glog.V(4).Infof("k8s-cm-cache: configmap already exists")
return nil
}
return errors.Wrapf(err, "k8s-cm-cache: couldn't persist %s metadata as configmap", identifier)
}
glog.V(4).Infof("k8s-cm-cache: configmap %s successfully created\n", identifier)
return nil
}

2
rbd/main.go
View File

@ -56,7 +56,7 @@ func main() {
os.Exit(1)
}
driver := rbd.GetRBDDriver()
driver := rbd.GetDriver()
driver.Run(*driverName, *nodeID, *endpoint, *containerized, cp)
os.Exit(0)