mirror of
https://github.com/ceph/ceph-csi.git
synced 2024-11-09 16:00:22 +00:00
cephfs: DeleteVolume() calls are allowed only for volumes with provisionVolume=true parameter
This commit is contained in:
parent
f5af7d0a94
commit
675ee93e46
@ -18,7 +18,6 @@ package cephfs
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import (
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"fmt"
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"os"
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"github.com/golang/glog"
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"golang.org/x/net/context"
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@ -39,7 +38,7 @@ const (
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func (cs *controllerServer) validateCreateVolumeRequest(req *csi.CreateVolumeRequest) error {
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if err := cs.Driver.ValidateControllerServiceRequest(csi.ControllerServiceCapability_RPC_CREATE_DELETE_VOLUME); err != nil {
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return fmt.Errorf("Invalid CreateVolumeRequest: %v", err)
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return fmt.Errorf("invalid CreateVolumeRequest: %v", err)
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}
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if req.GetName() == "" {
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@ -55,7 +54,7 @@ func (cs *controllerServer) validateCreateVolumeRequest(req *csi.CreateVolumeReq
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func (cs *controllerServer) validateDeleteVolumeRequest(req *csi.DeleteVolumeRequest) error {
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if err := cs.Driver.ValidateControllerServiceRequest(csi.ControllerServiceCapability_RPC_CREATE_DELETE_VOLUME); err != nil {
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return fmt.Errorf("Invalid DeleteVolumeRequest: %v", err)
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return fmt.Errorf("invalid DeleteVolumeRequest: %v", err)
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}
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return nil
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@ -112,10 +111,15 @@ func (cs *controllerServer) CreateVolume(ctx context.Context, req *csi.CreateVol
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glog.Warningf("failed to store a volume cache entry: %v", err)
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}
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sz := req.GetCapacityRange().GetRequiredBytes()
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if sz == 0 {
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sz = oneGB
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}
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return &csi.CreateVolumeResponse{
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Volume: &csi.Volume{
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Id: volId.id,
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CapacityBytes: req.GetCapacityRange().GetRequiredBytes(),
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CapacityBytes: sz,
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Attributes: req.GetParameters(),
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},
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}, nil
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@ -128,8 +132,6 @@ func (cs *controllerServer) DeleteVolume(ctx context.Context, req *csi.DeleteVol
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}
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var (
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cr *credentials
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err error
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volId = req.GetVolumeId()
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volUuid = uuidFromVolumeId(volId)
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)
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@ -143,46 +145,35 @@ func (cs *controllerServer) DeleteVolume(ctx context.Context, req *csi.DeleteVol
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return nil, status.Error(codes.Internal, msg)
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}
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// Set the correct user for mounting
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if ent.VolOptions.ProvisionVolume {
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// Admin access is required
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cr, err = getAdminCredentials(req.GetControllerDeleteSecrets())
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if err != nil {
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return nil, status.Error(codes.InvalidArgument, err.Error())
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}
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} else {
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cr, err = getUserCredentials(req.GetControllerDeleteSecrets())
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if err != nil {
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return nil, status.Error(codes.InvalidArgument, err.Error())
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}
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if !ent.VolOptions.ProvisionVolume {
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// DeleteVolume() is forbidden for statically provisioned volumes!
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msg := fmt.Sprintf("volume %s is provisioned statically, aborting delete", volId)
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glog.Warningf(msg)
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return &csi.DeleteVolumeResponse{}, nil
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}
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// Delete the volume contents
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// Requires admin credentials
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if err := purgeVolume(volId, cr, &ent.VolOptions); err != nil {
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glog.Error(err)
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cr, err := getAdminCredentials(req.GetControllerDeleteSecrets())
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if err != nil {
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glog.Errorf("failed to retrieve admin credentials: %v", err)
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return nil, status.Error(codes.InvalidArgument, err.Error())
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}
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// Remove the volume, the user and the volume cache entry
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if err = purgeVolume(volId, cr, &ent.VolOptions); err != nil {
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glog.Errorf("failed to delete volume %s: %v", volId, err)
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return nil, status.Error(codes.Internal, err.Error())
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}
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// Clean up remaining files
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if ent.VolOptions.ProvisionVolume {
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// The user is no longer needed
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if err := deleteCephUser(cr, volUuid); err != nil {
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glog.Warningf("failed to delete ceph user '%s': %v", cr.id, err)
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}
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userId := getCephUserName(volUuid)
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os.Remove(getCephKeyringPath(volUuid, userId))
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os.Remove(getCephSecretPath(volUuid, userId))
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} else {
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os.Remove(getCephKeyringPath(volUuid, cr.id))
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os.Remove(getCephSecretPath(volUuid, cr.id))
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if err = deleteCephUser(cr, volUuid); err != nil {
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glog.Errorf("failed to delete ceph user %s: %v", getCephUserName(volUuid), err)
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return nil, status.Error(codes.Internal, err.Error())
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}
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if err := volCache.erase(volUuid); err != nil {
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if err = volCache.erase(volUuid); err != nil {
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glog.Errorf("failed to delete cache entry for volume %s: %v", volId, err)
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return nil, status.Error(codes.Internal, err.Error())
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}
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@ -31,9 +31,6 @@ const (
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cephVolumePrefix = PluginFolder + "/controller/volumes/vol-"
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cephVolumesRoot = "csi-volumes"
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volumeDataSuffix = "volume-data"
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volumeDeletingSuffix = "volume-deleting"
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namespacePrefix = "csi-ns-"
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)
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@ -45,14 +42,6 @@ func getCephRootVolumePath_local(volUuid string) string {
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return path.Join(getCephRootPath_local(volUuid), cephVolumesRoot, volUuid)
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}
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func getCephRootVolumeDataPath_local(volUuid string) string {
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return path.Join(getCephRootVolumePath_local(volUuid), volumeDataSuffix)
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}
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func getCephRootVolumeDeletingPath_local(volUuid string) string {
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return path.Join(getCephRootVolumePath_local(volUuid), volumeDeletingSuffix)
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}
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func getVolumeRootPath_local(volUuid string) string {
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return cephVolumePrefix + volUuid
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}
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@ -61,14 +50,6 @@ func getVolumeRootPath_ceph(volUuid string) string {
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return path.Join("/", cephVolumesRoot, volUuid)
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}
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func getVolumeDataPath_local(volUuid string) string {
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return path.Join(getVolumeRootPath_local(volUuid), volumeDataSuffix)
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}
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func getVolumeDeletingPath_local(volUuid string) string {
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return path.Join(getVolumeRootPath_local(volUuid), volumeDeletingSuffix)
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}
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func getVolumeNamespace(volUuid string) string {
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return namespacePrefix + volUuid
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}
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@ -120,54 +101,35 @@ func createVolume(volOptions *volumeOptions, adminCr *credentials, volUuid strin
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}
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func purgeVolume(volId string, cr *credentials, volOptions *volumeOptions) error {
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// Root path is not set for dynamically provisioned volumes
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volOptions.RootPath = "/"
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var (
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volUuid = uuidFromVolumeId(volId)
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volRoot string
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dataPath string
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delPath string
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volUuid = uuidFromVolumeId(volId)
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root = getCephRootPath_local(volUuid)
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volRoot = getCephRootVolumePath_local(volUuid)
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volRootDeleting = volRoot + "-deleting"
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)
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if volOptions.ProvisionVolume {
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// RootPath is not set for a dynamically provisioned volume
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volOptions.RootPath = "/"
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volRoot = getCephRootPath_local(volUuid)
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dataPath = getCephRootVolumeDataPath_local(volUuid)
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delPath = getCephRootVolumeDeletingPath_local(volUuid)
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} else {
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volRoot = getVolumeRootPath_local(volUuid)
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dataPath = getVolumeDataPath_local(volUuid)
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delPath = getVolumeDeletingPath_local(volUuid)
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}
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if err := createMountPoint(volRoot); err != nil {
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if err := createMountPoint(root); err != nil {
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return err
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}
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if err := mountKernel(volRoot, cr, volOptions, volUuid); err != nil {
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if err := mountKernel(root, cr, volOptions, volUuid); err != nil {
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return err
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}
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defer func() {
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if volOptions.ProvisionVolume {
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os.Remove(getCephRootVolumePath_local(volUuid))
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}
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unmountVolume(volRoot)
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os.Remove(volRoot)
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}()
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if err := os.Rename(dataPath, delPath); err != nil {
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if os.IsNotExist(err) {
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// dataPath doesn't exist if NodePublishVolume wasn't called
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return nil
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} else {
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return fmt.Errorf("couldn't mark volume %s for deletion: %v", volId, err)
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}
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if err := os.Rename(volRoot, volRootDeleting); err != nil {
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return fmt.Errorf("coudln't mark volume %s for deletion: %v", volId, err)
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}
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if err := os.RemoveAll(delPath); err != nil {
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return fmt.Errorf("couldn't delete volume %s: %v", volId, err)
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if err := os.RemoveAll(volRootDeleting); err != nil {
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return fmt.Errorf("failed to delete volume %s: %v", volId, err)
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}
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return nil
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@ -121,7 +121,7 @@ func bindMount(from, to string, readOnly bool) error {
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}
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func bindVolume(volUuid, target string, readOnly bool) error {
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volDataRoot := getVolumeDataPath_local(volUuid)
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volDataRoot := getVolumeRootPath_local(volUuid)
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if err := createMountPoint(volDataRoot); err != nil {
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return err
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