mirror of
https://github.com/ceph/ceph-csi.git
synced 2024-11-10 08:20:23 +00:00
772d1dfa77
v0.3.0 adds support for rbd.FeatureSet that can be used to parse the features of an RBD image. This will be used in the followup commit that adds rbdVolume.getImageInfo(). Signed-off-by: Niels de Vos <ndevos@redhat.com>
44 lines
924 B
Go
44 lines
924 B
Go
// +build luminous mimic
|
|
// +build !nautilus
|
|
//
|
|
// Ceph Nautilus includes rbd_list2() and marked rbd_list() deprecated.
|
|
|
|
package rbd
|
|
|
|
// #cgo LDFLAGS: -lrbd
|
|
// #include <rados/librados.h>
|
|
// #include <rbd/librbd.h>
|
|
// #include <errno.h>
|
|
import "C"
|
|
|
|
import (
|
|
"bytes"
|
|
"unsafe"
|
|
|
|
"github.com/ceph/go-ceph/rados"
|
|
)
|
|
|
|
// GetImageNames returns the list of current RBD images.
|
|
func GetImageNames(ioctx *rados.IOContext) (names []string, err error) {
|
|
buf := make([]byte, 4096)
|
|
for {
|
|
size := C.size_t(len(buf))
|
|
ret := C.rbd_list(cephIoctx(ioctx),
|
|
(*C.char)(unsafe.Pointer(&buf[0])), &size)
|
|
if ret == -C.ERANGE {
|
|
buf = make([]byte, size)
|
|
continue
|
|
} else if ret < 0 {
|
|
return nil, RBDError(ret)
|
|
}
|
|
tmp := bytes.Split(buf[:size-1], []byte{0})
|
|
for _, s := range tmp {
|
|
if len(s) > 0 {
|
|
name := C.GoString((*C.char)(unsafe.Pointer(&s[0])))
|
|
names = append(names, name)
|
|
}
|
|
}
|
|
return names, nil
|
|
}
|
|
}
|