def share(self, dst_image_dir, hard=True):
"""
Share this volume to dst_image_dir
'hard' - link type: file volumes should use hardlinks (default behaviour)
block volumes should use softlinks (explicitly hard=False)
"""
self.log.debug("Volume.share)share %s to %s hard %s" % (self.volUUID, dst_image_dir, hard))
if not self.isShared():
raise se.VolumeNonShareable(self)
if os.path.basename(dst_image_dir) == os.path.basename(self.imagePath):
raise se.VolumeOwnershipError(self)
try:
src = self.getDevPath()
dst = os.path.join(dst_image_dir, self.volUUID)
taskName = "share volume rollback: " + dst
vars.task.pushRecovery(task.Recovery(taskName, "volume", "Volume", "shareVolumeRollback",
[dst]))
if os.path.lexists(dst):
os.unlink(dst)
if hard:
os.link(src, dst)
else:
os.symlink(src, dst)
except Exception, e:
raise se.CannotShareVolume(src, dst, str(e))
def share(self, dstImgPath):
"""
Share this volume to dstImgPath
"""
self.log.debug("Share volume %s to %s", self.volUUID, dstImgPath)
if not self.isShared():
raise se.VolumeNonShareable(self)
if os.path.basename(dstImgPath) == os.path.basename(self.imagePath):
raise se.VolumeOwnershipError(self)
dstPath = os.path.join(dstImgPath, self.volUUID)
clsModule, clsName = self._getModuleAndClass()
try:
vars.task.pushRecovery(
task.Recovery("Share volume rollback: %s" % dstPath, clsModule,
clsName, "shareVolumeRollback", [dstPath])
)
self._share(dstImgPath)
except Exception as e:
raise se.CannotShareVolume(self.getVolumePath(), dstPath, str(e))