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Roundup volume size to Mib for rbd

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Signed-off-by: Madhu Rajanna <madhupr007@gmail.com>
This commit is contained in:
Madhu Rajanna 2019-03-01 17:38:17 +05:30
parent 72edf06916
commit 16279eda78
3 changed files with 32 additions and 12 deletions
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15
pkg/rbd/controllerserver.go
View File

@ -24,7 +24,7 @@ import (
"strings" "strings"
"syscall" "syscall"
"github.com/ceph/ceph-csi/pkg/csi-common" csicommon "github.com/ceph/ceph-csi/pkg/csi-common"
"github.com/ceph/ceph-csi/pkg/util" "github.com/ceph/ceph-csi/pkg/util"
"github.com/container-storage-interface/spec/lib/go/csi" "github.com/container-storage-interface/spec/lib/go/csi"
@ -118,7 +118,8 @@ func parseVolCreateRequest(req *csi.CreateVolumeRequest) (*rbdVolume, error) {
if req.GetCapacityRange() != nil { if req.GetCapacityRange() != nil {
volSizeBytes = req.GetCapacityRange().GetRequiredBytes() volSizeBytes = req.GetCapacityRange().GetRequiredBytes()
} }
rbdVol.VolSize = volSizeBytes
rbdVol.VolSize = util.RoundUpToMiB(volSizeBytes)
return rbdVol, nil return rbdVol, nil
} }
@ -175,10 +176,8 @@ func (cs *ControllerServer) CreateVolume(ctx context.Context, req *csi.CreateVol
return nil, err return nil, err
} }
volSizeGB := int(rbdVol.VolSize / 1024 / 1024 / 1024)
// Check if there is already RBD image with requested name // Check if there is already RBD image with requested name
err = cs.checkRBDStatus(rbdVol, req, volSizeGB) err = cs.checkRBDStatus(rbdVol, req, int(rbdVol.VolSize))
if err != nil { if err != nil {
return nil, err return nil, err
} }
@ -192,13 +191,13 @@ func (cs *ControllerServer) CreateVolume(ctx context.Context, req *csi.CreateVol
return &csi.CreateVolumeResponse{ return &csi.CreateVolumeResponse{
Volume: &csi.Volume{ Volume: &csi.Volume{
VolumeId: rbdVol.VolID, VolumeId: rbdVol.VolID,
CapacityBytes: rbdVol.VolSize, CapacityBytes: rbdVol.VolSize * util.MiB,
VolumeContext: req.GetParameters(), VolumeContext: req.GetParameters(),
}, },
}, nil }, nil
} }
func (cs *ControllerServer) checkRBDStatus(rbdVol *rbdVolume, req *csi.CreateVolumeRequest, volSizeGB int) error { func (cs *ControllerServer) checkRBDStatus(rbdVol *rbdVolume, req *csi.CreateVolumeRequest, volSizeMiB int) error {
var err error var err error
// Check if there is already RBD image with requested name // Check if there is already RBD image with requested name
found, _, _ := rbdStatus(rbdVol, rbdVol.UserID, req.GetSecrets()) // #nosec found, _, _ := rbdStatus(rbdVol, rbdVol.UserID, req.GetSecrets()) // #nosec
@ -209,7 +208,7 @@ func (cs *ControllerServer) checkRBDStatus(rbdVol *rbdVolume, req *csi.CreateVol
return err return err
} }
} else { } else {
err = createRBDImage(rbdVol, volSizeGB, rbdVol.AdminID, req.GetSecrets()) err = createRBDImage(rbdVol, volSizeMiB, rbdVol.AdminID, req.GetSecrets())
if err != nil { if err != nil {
klog.Warningf("failed to create volume: %v", err) klog.Warningf("failed to create volume: %v", err)
return err return err

8
pkg/rbd/rbd_util.go
View File

@ -121,18 +121,18 @@ func createRBDImage(pOpts *rbdVolume, volSz int, adminID string, credentials map
} }
image := pOpts.VolName image := pOpts.VolName
volSzGB := fmt.Sprintf("%dG", volSz) volSzMiB := fmt.Sprintf("%dM", volSz)
key, err := getRBDKey(adminID, credentials) key, err := getRBDKey(adminID, credentials)
if err != nil { if err != nil {
return err return err
} }
if pOpts.ImageFormat == rbdImageFormat2 { if pOpts.ImageFormat == rbdImageFormat2 {
klog.V(4).Infof("rbd: create %s size %s format %s (features: %s) using mon %s, pool %s ", image, volSzGB, pOpts.ImageFormat, pOpts.ImageFeatures, mon, pOpts.Pool) klog.V(4).Infof("rbd: create %s size %s format %s (features: %s) using mon %s, pool %s ", image, volSzMiB, pOpts.ImageFormat, pOpts.ImageFeatures, mon, pOpts.Pool)
} else { } else {
klog.V(4).Infof("rbd: create %s size %s format %s using mon %s, pool %s", image, volSzGB, pOpts.ImageFormat, mon, pOpts.Pool) klog.V(4).Infof("rbd: create %s size %s format %s using mon %s, pool %s", image, volSzMiB, pOpts.ImageFormat, mon, pOpts.Pool)
} }
args := []string{"create", image, "--size", volSzGB, "--pool", pOpts.Pool, "--id", adminID, "-m", mon, "--key=" + key, "--image-format", pOpts.ImageFormat} args := []string{"create", image, "--size", volSzMiB, "--pool", pOpts.Pool, "--id", adminID, "-m", mon, "--key=" + key, "--image-format", pOpts.ImageFormat}
if pOpts.ImageFormat == rbdImageFormat2 { if pOpts.ImageFormat == rbdImageFormat2 {
args = append(args, "--image-feature", pOpts.ImageFeatures) args = append(args, "--image-feature", pOpts.ImageFeatures)
} }

21
pkg/util/util.go
View File

@ -23,6 +23,27 @@ import (
"k8s.io/klog" "k8s.io/klog"
) )
// remove this once kubernetes v1.14.0 release is done
// https://github.com/kubernetes/cloud-provider/blob/master/volume/helpers/rounding.go
const (
// MiB - MebiByte size
MiB = 1024 * 1024
)
// RoundUpToMiB rounds up given quantity upto chunks of MiB
func RoundUpToMiB(size int64) int64 {
requestBytes := size
return roundUpSize(requestBytes, MiB)
}
func roundUpSize(volumeSizeBytes int64, allocationUnitBytes int64) int64 {
roundedUp := volumeSizeBytes / allocationUnitBytes
if volumeSizeBytes%allocationUnitBytes > 0 {
roundedUp++
}
return roundedUp
}
// CreatePersistanceStorage creates storage path and initializes new cache // CreatePersistanceStorage creates storage path and initializes new cache
func CreatePersistanceStorage(sPath, metaDataStore, driverName string) (CachePersister, error) { func CreatePersistanceStorage(sPath, metaDataStore, driverName string) (CachePersister, error) {
var err error var err error