netapp.py 文件源码

def listsnapshots(self, sortbycreation=False, sortreverse=False):
        output = self._srv.invoke("volume-size", "volume", self._volname)
        self._check_netapp_error(output, "Failed to get volume size information")
        volsize = self._volsize_to_num(output.child_get_string("volume-size"))
        pct_limit = round(2147483648*100/(volsize/self._blocksize))
        output = self._srv.invoke("snapshot-list-info", "volume", self._volname)
        self._check_netapp_error(output, "Failed to list snapshots")
        snapshotlist = output.child_get("snapshots")
        snapshots = []
        if (snapshotlist is not None and snapshotlist):
            for ss in snapshotlist.children_get():
                snapshots.append( {'id': ss.child_get_string("name"),
                    'creation': datetime.utcfromtimestamp(float(ss.child_get_int("access-time"))),
                    'numclones':  1 if ss.child_get_string("busy") == "true" else 0,
                    'space_total': ss.child_get_int("cumulative-total")*self._blocksize if ss.child_get_int("cumulative-percentage-of-total-blocks") < pct_limit else round(volsize*ss.child_get_int("cumulative-percentage-of-total-blocks")/100),
                    'space_unique': ss.child_get_int("total")*self._blocksize if ss.child_get_int("percentage-of-total-blocks") < pct_limit else round(volsize*ss.child_get_int("percentage-of-total-blocks")/100) 
                } )
        if not sortbycreation:
            return snapshots
        else:
            return sorted(snapshots, key=operator.itemgetter('creation'), reverse=sortreverse)