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cleanup: move snapshot/clone/flatten into its own function

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Signed-off-by: Niels de Vos <ndevos@redhat.com>
This commit is contained in:
Niels de Vos 2021-05-26 17:17:27 +02:00 committed by mergify[bot]
parent 367eb9f748
commit 334f237e23
1 changed files with 39 additions and 31 deletions
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70
internal/rbd/clone.go
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@ -21,7 +21,6 @@ import (
"errors"
"fmt"
"github.com/ceph/ceph-csi/internal/journal"
"github.com/ceph/ceph-csi/internal/util"
librbd "github.com/ceph/go-ceph/rbd"
@ -147,6 +146,44 @@ func (rv *rbdVolume) generateTempClone() *rbdVolume {
}
func (rv *rbdVolume) createCloneFromImage(ctx context.Context, parentVol *rbdVolume) error {
j, err := volJournal.Connect(rv.Monitors, rv.RadosNamespace, rv.conn.Creds)
if err != nil {
return status.Error(codes.Internal, err.Error())
}
defer j.Destroy()
err = rv.doSnapClone(ctx, parentVol)
if err != nil {
return status.Error(codes.Internal, err.Error())
}
err = rv.getImageID()
if err != nil {
util.ErrorLog(ctx, "failed to get volume id %s: %v", rv, err)
return err
}
if parentVol.isEncrypted() {
err = parentVol.copyEncryptionConfig(&rv.rbdImage)
if err != nil {
return fmt.Errorf("failed to copy encryption config for %q: %w", rv, err)
}
}
err = j.StoreImageID(ctx, rv.JournalPool, rv.ReservedID, rv.ImageID)
if err != nil {
util.ErrorLog(ctx, "failed to store volume %s: %v", rv, err)
return err
}
return nil
}
func (rv *rbdVolume) doSnapClone(ctx context.Context, parentVol *rbdVolume) error {
var (
errClone error
errFlatten error
)
// generate temp cloned volume
tempClone := rv.generateTempClone()
// snapshot name is same as temporary cloned image, This helps to
@ -160,21 +197,8 @@ func (rv *rbdVolume) createCloneFromImage(ctx context.Context, parentVol *rbdVol
cloneSnap.RbdSnapName = rv.RbdImageName
cloneSnap.Pool = rv.Pool
var (
errClone error
errFlatten error
err error
)
var j = &journal.Connection{}
j, err = volJournal.Connect(rv.Monitors, rv.RadosNamespace, rv.conn.Creds)
if err != nil {
return status.Error(codes.Internal, err.Error())
}
defer j.Destroy()
// create snapshot and temporary clone and delete snapshot
err = createRBDClone(ctx, parentVol, tempClone, tempSnap, rv.conn.Creds)
err := createRBDClone(ctx, parentVol, tempClone, tempSnap, rv.conn.Creds)
if err != nil {
return err
}
@ -211,23 +235,7 @@ func (rv *rbdVolume) createCloneFromImage(ctx context.Context, parentVol *rbdVol
errFlatten = errors.New("failed to create user requested cloned image")
return errClone
}
err = rv.getImageID()
if err != nil {
util.ErrorLog(ctx, "failed to get volume id %s: %v", rv, err)
return err
}
if parentVol.isEncrypted() {
err = parentVol.copyEncryptionConfig(&rv.rbdImage)
if err != nil {
return fmt.Errorf("failed to copy encryption config for %q: %w", rv, err)
}
}
err = j.StoreImageID(ctx, rv.JournalPool, rv.ReservedID, rv.ImageID)
if err != nil {
util.ErrorLog(ctx, "failed to store volume %s: %v", rv, err)
return err
}
return nil
}