ceph/qa/tasks/cephfs/test_exports.py

   1 import logging
   2 import time
   3 from tasks.cephfs.fuse_mount import FuseMount
   4 from tasks.cephfs.cephfs_test_case import CephFSTestCase
   5
   6 log = logging.getLogger(__name__)
   7
   8 class TestExports(CephFSTestCase):
   9     MDSS_REQUIRED = 2
  10
  11     def _wait_subtrees(self, status, rank, test):
  12         timeout = 30
  13         pause = 2
  14         test = sorted(test)
  15         for i in range(timeout/pause):
  16             subtrees = self.fs.mds_asok(["get", "subtrees"], mds_id=status.get_rank(self.fs.id, rank)['name'])
  17             subtrees = filter(lambda s: s['dir']['path'].startswith('/'), subtrees)
  18             filtered = sorted([(s['dir']['path'], s['auth_first']) for s in subtrees])
  19             log.info("%s =?= %s", filtered, test)
  20             if filtered == test:
  21                 return subtrees
  22             time.sleep(pause)
  23         raise RuntimeError("rank {0} failed to reach desired subtree state", rank)
  24
  25     def test_export_pin(self):
  26         self.fs.set_max_mds(2)
  27         self.fs.wait_for_daemons()
  28
  29         status = self.fs.status()
  30
  31         self.mount_a.run_shell(["mkdir", "-p", "1/2/3"])
  32         self._wait_subtrees(status, 0, [])
  33
  34         # NOP
  35         self.mount_a.setfattr("1", "ceph.dir.pin", "-1")
  36         self._wait_subtrees(status, 0, [])
  37
  38         # NOP (rank < -1)
  39         self.mount_a.setfattr("1", "ceph.dir.pin", "-2341")
  40         self._wait_subtrees(status, 0, [])
  41
  42         # pin /1 to rank 1
  43         self.mount_a.setfattr("1", "ceph.dir.pin", "1")
  44         self._wait_subtrees(status, 1, [('/1', 1)])
  45
  46         # Check export_targets is set properly
  47         status = self.fs.status()
  48         log.info(status)
  49         r0 = status.get_rank(self.fs.id, 0)
  50         self.assertTrue(sorted(r0['export_targets']) == [1])
  51
  52         # redundant pin /1/2 to rank 1
  53         self.mount_a.setfattr("1/2", "ceph.dir.pin", "1")
  54         self._wait_subtrees(status, 1, [('/1', 1), ('/1/2', 1)])
  55
  56         # change pin /1/2 to rank 0
  57         self.mount_a.setfattr("1/2", "ceph.dir.pin", "0")
  58         self._wait_subtrees(status, 1, [('/1', 1), ('/1/2', 0)])
  59         self._wait_subtrees(status, 0, [('/1', 1), ('/1/2', 0)])
  60
  61         # change pin /1/2/3 to (presently) non-existent rank 2
  62         self.mount_a.setfattr("1/2/3", "ceph.dir.pin", "2")
  63         self._wait_subtrees(status, 0, [('/1', 1), ('/1/2', 0)])
  64         self._wait_subtrees(status, 1, [('/1', 1), ('/1/2', 0)])
  65
  66         # change pin /1/2 back to rank 1
  67         self.mount_a.setfattr("1/2", "ceph.dir.pin", "1")
  68         self._wait_subtrees(status, 1, [('/1', 1), ('/1/2', 1)])
  69
  70         # add another directory pinned to 1
  71         self.mount_a.run_shell(["mkdir", "-p", "1/4/5"])
  72         self.mount_a.setfattr("1/4/5", "ceph.dir.pin", "1")
  73         self._wait_subtrees(status, 1, [('/1', 1), ('/1/2', 1), ('/1/4/5', 1)])
  74
  75         # change pin /1 to 0
  76         self.mount_a.setfattr("1", "ceph.dir.pin", "0")
  77         self._wait_subtrees(status, 0, [('/1', 0), ('/1/2', 1), ('/1/4/5', 1)])
  78
  79         # change pin /1/2 to default (-1); does the subtree root properly respect it's parent pin?
  80         self.mount_a.setfattr("1/2", "ceph.dir.pin", "-1")
  81         self._wait_subtrees(status, 0, [('/1', 0), ('/1/4/5', 1)])
  82
  83         if len(list(status.get_standbys())):
  84             self.fs.set_max_mds(3)
  85             self.fs.wait_for_state('up:active', rank=2)
  86             self._wait_subtrees(status, 0, [('/1', 0), ('/1/4/5', 1), ('/1/2/3', 2)])
  87
  88             # Check export_targets is set properly
  89             status = self.fs.status()
  90             log.info(status)
  91             r0 = status.get_rank(self.fs.id, 0)
  92             self.assertTrue(sorted(r0['export_targets']) == [1,2])
  93             r1 = status.get_rank(self.fs.id, 1)
  94             self.assertTrue(sorted(r1['export_targets']) == [0])
  95             r2 = status.get_rank(self.fs.id, 2)
  96             self.assertTrue(sorted(r2['export_targets']) == [])
  97
  98         # Test rename
  99         self.mount_a.run_shell(["mkdir", "-p", "a/b", "aa/bb"])
 100         self.mount_a.setfattr("a", "ceph.dir.pin", "1")
 101         self.mount_a.setfattr("aa/bb", "ceph.dir.pin", "0")
 102         self._wait_subtrees(status, 0, [('/1', 0), ('/1/4/5', 1), ('/1/2/3', 2), ('/a', 1), ('/aa/bb', 0)])
 103         self.mount_a.run_shell(["mv", "aa", "a/b/"])
 104         self._wait_subtrees(status, 0, [('/1', 0), ('/1/4/5', 1), ('/1/2/3', 2), ('/a', 1), ('/a/b/aa/bb', 0)])