def activate(self, dbg, uri, domain):
u = urlparse.urlparse(uri)
# XXX need some datapath-specific errors below
if not(os.path.exists(u.path)):
raise xapi.storage.api.volume.Volume_does_not_exist(u.path)
if u.scheme[:3] == "vhd":
img = image.Vhd(u.path)
elif u.scheme[:3] == "raw":
img = image.Raw(u.path)
else:
raise
# See whether we should open it O_DIRECT
o_direct = self._get_uri_param(dbg, uri, 'o_direct', "true")
o_direct = o_direct in ['true', 't', 'on', '1', 'yes']
log.debug("o_direct = %s" % (o_direct))
tap = tapdisk.load_tapdisk_metadata(dbg, u.path)
tap.open(dbg, img, o_direct)
tapdisk.save_tapdisk_metadata(dbg, u.path, tap)
def detach(self, dbg, uri, domain):
u = urlparse.urlparse(uri)
tap = tapdisk.load_tapdisk_metadata(dbg, u.path)
tap.destroy(dbg)
tapdisk.forget_tapdisk_metadata(dbg, u.path)
def deactivate(self, dbg, uri, domain):
u = urlparse.urlparse(uri)
tap = tapdisk.load_tapdisk_metadata(dbg, u.path)
tap.close(dbg)
