def _check_need_changes_for_retype(self, volume, new_type, host, vol_name):
before_change = {}
after_change = {}
if volume.host != host["host"]:
msg = (_("Do not support retype between different host. Volume's "
"host: %(vol_host)s, host's host: %(host)s")
% {"vol_host": volume.host, "host": host['host']})
LOG.error(msg)
raise exception.InvalidInput(msg)
old_opts = fs_utils.get_volume_specs(self.client, vol_name)
new_opts = fs_utils.get_volume_type_params(new_type, self.client)
if old_opts.get('qos') != new_opts.get('qos'):
before_change["qos"] = old_opts.get("qos")
after_change["qos"] = new_opts.get("qos")
change_opts = {"old_opts": before_change,
"new_opts": after_change}
return change_opts
def _check_need_changes_for_manage(self, volume, vol_name):
old_qos = {}
new_qos = {}
new_opts = fs_utils.get_volume_params(volume, self.client)
old_opts = fs_utils.get_volume_specs(self.client, vol_name)
# Not support from existence to absence or change
if old_opts.get("qos"):
if old_opts.get("qos") != new_opts.get("qos"):
msg = (_("The current volume qos is: %(old_qos)s, the manage "
"volume qos is: %(new_qos)s")
% {"old_qos": old_opts.get("qos"),
"new_qos": new_opts.get("qos")})
self._raise_exception(msg)
elif new_opts.get("qos"):
new_qos["qos"] = new_opts.get("qos")
old_qos["qos"] = {}
change_opts = {"old_opts": old_qos,
"new_opts": new_qos}
return change_opts