mirror of https://github.com/ceph/go-ceph
rbd: add error checking in OpenImage*() functions
Signed-off-by: Niels de Vos <ndevos@redhat.com>
This commit is contained in:
parent
a2c1c2bb34
commit
9e7a1c444f
28
rbd/rbd.go
28
rbd/rbd.go
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@ -1028,6 +1028,13 @@ func TrashRestore(ioctx *rados.IOContext, id, name string) error {
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// int rbd_open(rados_ioctx_t io, const char *name,
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// rbd_image_t *image, const char *snap_name);
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func OpenImage(ioctx *rados.IOContext, name, snapName string) (*Image, error) {
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if ioctx == nil {
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return nil, ErrNoIOContext
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}
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if name == "" {
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return nil, ErrNoName
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}
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cName := C.CString(name)
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defer C.free(unsafe.Pointer(cName))
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@ -1064,6 +1071,13 @@ func OpenImage(ioctx *rados.IOContext, name, snapName string) (*Image, error) {
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// int rbd_open_read_only(rados_ioctx_t io, const char *name,
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// rbd_image_t *image, const char *snap_name);
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func OpenImageReadOnly(ioctx *rados.IOContext, name, snapName string) (*Image, error) {
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if ioctx == nil {
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return nil, ErrNoIOContext
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}
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if name == "" {
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return nil, ErrNoName
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}
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cName := C.CString(name)
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defer C.free(unsafe.Pointer(cName))
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@ -1101,6 +1115,13 @@ func OpenImageReadOnly(ioctx *rados.IOContext, name, snapName string) (*Image, e
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// int rbd_open_by_id(rados_ioctx_t io, const char *id,
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// rbd_image_t *image, const char *snap_name);
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func OpenImageById(ioctx *rados.IOContext, id, snapName string) (*Image, error) {
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if ioctx == nil {
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return nil, ErrNoIOContext
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}
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if id == "" {
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return nil, ErrNoName
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}
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cid := C.CString(id)
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defer C.free(unsafe.Pointer(cid))
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@ -1138,6 +1159,13 @@ func OpenImageById(ioctx *rados.IOContext, id, snapName string) (*Image, error)
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// int rbd_open_by_id_read_only(rados_ioctx_t io, const char *id,
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// rbd_image_t *image, const char *snap_name);
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func OpenImageByIdReadOnly(ioctx *rados.IOContext, id, snapName string) (*Image, error) {
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if ioctx == nil {
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return nil, ErrNoIOContext
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}
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if id == "" {
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return nil, ErrNoName
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}
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cid := C.CString(id)
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defer C.free(unsafe.Pointer(cid))
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@ -1242,6 +1242,13 @@ func TestOpenImage(t *testing.T) {
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name := GetUUID()
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// pass invalid arguments
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_, err = OpenImage(nil, "some-image", NoSnapshot)
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require.Error(t, err)
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_, err = OpenImage(ioctx, "", NoSnapshot)
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require.Error(t, err)
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// image does not exist yet
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_, err = OpenImage(ioctx, name, NoSnapshot)
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assert.Error(t, err)
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@ -1255,6 +1262,12 @@ func TestOpenImage(t *testing.T) {
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assert.NoError(t, err)
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// open read-only
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// pass invalid parameters
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_, err = OpenImageReadOnly(nil, "some-image", NoSnapshot)
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require.Error(t, err)
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_, err = OpenImageReadOnly(ioctx, "", NoSnapshot)
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require.Error(t, err)
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oImage, err = OpenImageReadOnly(ioctx, name, NoSnapshot)
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assert.NoError(t, err)
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@ -1495,6 +1508,16 @@ func TestOpenImageById(t *testing.T) {
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err = workingImage.Close()
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assert.NoError(t, err)
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t.Run("InvalidArguments", func(t *testing.T) {
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_, err = OpenImageById(nil, "some-id", NoSnapshot)
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require.Error(t, err)
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_, err = OpenImageById(ioctx, "", NoSnapshot)
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require.Error(t, err)
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_, err = OpenImageByIdReadOnly(nil, "some-id", NoSnapshot)
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require.Error(t, err)
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_, err = OpenImageByIdReadOnly(ioctx, "", NoSnapshot)
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require.Error(t, err)
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})
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t.Run("ReadWriteBadId", func(t *testing.T) {
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t.Skip("segfaults due to https://tracker.ceph.com/issues/43178")
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// phony id
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