RepoMirrors
/
go-ceph
mirror of https://github.com/ceph/go-ceph
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

rbd: add GroupSnapRollback implementing rbd_group_snap_rollback 

* Add GroupSnapRollback implementing rbd_group_snap_rollback

Adds tests for the above.

Signed-off-by: John Mulligan <jmulligan@redhat.com>
This commit is contained in:
John Mulligan 2021-01-25 14:49:08 -05:00 committed by mergify[bot]
parent ffeabf1436
commit 8e6dfe4259
2 changed files with 70 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

17
rbd/group_snap.go
View File

@ -130,3 +130,20 @@ func GroupSnapList(ioctx *rados.IOContext, group string) ([]GroupSnapInfo, error
cSize)
return snaps, getError(ret)
}
// GroupSnapRollback will roll back the images in the group to that of the
// given snapshot.
//
// Implements:
// int rbd_group_snap_rollback(rados_ioctx_t group_p,
// const char *group_name,
// const char *snap_name);
func GroupSnapRollback(ioctx *rados.IOContext, group, snap string) error {
cGroupName := C.CString(group)
defer C.free(unsafe.Pointer(cGroupName))
cSnapName := C.CString(snap)
defer C.free(unsafe.Pointer(cSnapName))
ret := C.rbd_group_snap_rollback(cephIoctx(ioctx), cGroupName, cSnapName)
return getError(ret)
}

53
rbd/group_snap_test.go
View File

@ -104,6 +104,56 @@ func TestGroupSnapshots(t *testing.T) {
assert.NoError(t, err)
assert.Len(t, gsl, 0)
})
t.Run("groupSnapRollback", func(t *testing.T) {
img, err := OpenImage(ioctx, name1, NoSnapshot)
assert.NoError(t, err)
_, err = img.WriteAt([]byte("HELLO WORLD"), 0)
assert.NoError(t, err)
err = img.Close()
assert.NoError(t, err)
snapname := "snap1"
err = GroupSnapCreate(ioctx, gname, snapname)
assert.NoError(t, err)
img, err = OpenImage(ioctx, name1, NoSnapshot)
assert.NoError(t, err)
_, err = img.WriteAt([]byte("GOODBYE WORLD"), 0)
assert.NoError(t, err)
err = img.Close()
assert.NoError(t, err)
img, err = OpenImage(ioctx, name2, NoSnapshot)
assert.NoError(t, err)
_, err = img.WriteAt([]byte("2222222222222"), 0)
assert.NoError(t, err)
err = img.Close()
assert.NoError(t, err)
err = GroupSnapRollback(ioctx, gname, snapname)
assert.NoError(t, err)
b := make([]byte, 8)
img, err = OpenImage(ioctx, name1, NoSnapshot)
assert.NoError(t, err)
_, err = img.ReadAt(b, 0)
assert.NoError(t, err)
err = img.Close()
assert.NoError(t, err)
assert.Equal(t, []byte("HELLO WO"), b)
img, err = OpenImage(ioctx, name2, NoSnapshot)
assert.NoError(t, err)
_, err = img.ReadAt(b, 0)
assert.NoError(t, err)
err = img.Close()
assert.NoError(t, err)
assert.Equal(t, []byte("\x00\x00\x00\x00\x00\x00\x00\x00"), b)
err = GroupSnapRemove(ioctx, gname, snapname)
assert.NoError(t, err)
})
})
t.Run("invalidIOContext", func(t *testing.T) {
assert.Panics(t, func() {
GroupSnapCreate(nil, gname, "foo")
@ -117,5 +167,8 @@ func TestGroupSnapshots(t *testing.T) {
assert.Panics(t, func() {
GroupSnapList(nil, gname)
})
assert.Panics(t, func() {
GroupSnapRollback(nil, gname, "foo")
})
})
}