ceph/src/pybind/mgr/dashboard/cephfs_clients.py

   1
   2 import json
   3
   4 from mgr_module import CommandResult
   5 from remote_view_cache import RemoteViewCache
   6
   7
   8 class CephFSClients(RemoteViewCache):
   9     def __init__(self, module_inst, fscid):
  10         super(CephFSClients, self).__init__(module_inst)
  11
  12         self.fscid = fscid
  13
  14     def _get(self):
  15         mds_spec = "{0}:0".format(self.fscid)
  16         result = CommandResult("")
  17         self._module.send_command(result, "mds", mds_spec,
  18                json.dumps({
  19                    "prefix": "session ls",
  20                    }),
  21                "")
  22         r, outb, outs = result.wait()
  23         # TODO handle nonzero returns, e.g. when rank isn't active
  24         assert r == 0
  25         return json.loads(outb)