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from tasks.cephfs.cephfs_test_case import CephFSTestCase
import random
import os
class TestDumpTree(CephFSTestCase):
def get_paths_to_ino(self):
inos = {}
p = self.mount_a.run_shell(["find", "./"])
paths = p.stdout.getvalue().strip().split()
for path in paths:
inos[path] = self.mount_a.path_to_ino(path, False)
return inos
def populate(self):
self.mount_a.run_shell(["git", "clone",
"https://github.com/ceph/ceph-qa-suite"])
def test_basic(self):
self.mount_a.run_shell(["mkdir", "parent"])
self.mount_a.run_shell(["mkdir", "parent/child"])
self.mount_a.run_shell(["touch", "parent/child/file"])
self.mount_a.run_shell(["mkdir", "parent/child/grandchild"])
self.mount_a.run_shell(["touch", "parent/child/grandchild/file"])
inos = self.get_paths_to_ino()
tree = self.fs.mds_asok(["dump", "tree", "/parent/child", "1"])
target_inos = [inos["./parent/child"], inos["./parent/child/file"],
inos["./parent/child/grandchild"]]
for ino in tree:
del target_inos[target_inos.index(ino['ino'])] # don't catch!
assert(len(target_inos) == 0)
def test_random(self):
random.seed(0)
self.populate()
inos = self.get_paths_to_ino()
target = random.sample(inos.keys(), 1)[0]
if target != "./":
target = os.path.dirname(target)
subtree = [path for path in inos.keys() if path.startswith(target)]
target_inos = [inos[path] for path in subtree]
tree = self.fs.mds_asok(["dump", "tree", target[1:]])
for ino in tree:
del target_inos[target_inos.index(ino['ino'])] # don't catch!
assert(len(target_inos) == 0)
target_depth = target.count('/')
maxdepth = max([path.count('/') for path in subtree]) - target_depth
depth = random.randint(0, maxdepth)
target_inos = [inos[path] for path in subtree \
if path.count('/') <= depth + target_depth]
tree = self.fs.mds_asok(["dump", "tree", target[1:], str(depth)])
for ino in tree:
del target_inos[target_inos.index(ino['ino'])] # don't catch!
assert(len(target_inos) == 0)
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