def umount(self):
if self.fsType in ("swap", "none", "unallocated"):
return
if not self.devPath or not self.mounted:
return
try:
logCall("umount -n %s" % self.mountPoint)
except RuntimeError:
log.warning("Unmount of %s from %s failed - trying again", self.devPath, self.mountPoint)
clean = False
for x in range(5):
logCall("sync")
time.sleep(1)
try:
logCall("umount -n %s" % self.mountPoint)
except RuntimeError:
pass
else:
clean = True
break
if not clean:
log.error("Unmount failed because these files " "were still open:")
for path in sorted(helperfuncs.getMountedFiles(self.mountPoint)):
log.error(path)
raise RuntimeError("Failed to unmount %s" % self.devPath)
self.detach()
self.mounted = False
def testGetMountedFiles(self):
class mock_popen:
def read(xself):
return ' 1234 5678'
class mock_os:
def __init__(xself, listdir_hits, readlink_hits):
xself.listdir_hits = listdir_hits
xself.readlink_hits = readlink_hits
xself.path = os.path
def listdir(xself, path):
xself.listdir_hits.add(path)
if path == '/proc/1234/fd':
return ['1', '2']
elif path == '/proc/5678/fd':
return ['3']
def readlink(xself, path):
xself.readlink_hits.add(path)
return paths[path.split('/')[-1]]
def popen(xself, path, mode):
self.failUnlessEqual(path, 'fuser -m /mnt/null 2>/dev/null')
self.failUnlessEqual(mode, 'r')
return mock_popen()
listdir_hits = set()
listdir_want = set(['/proc/1234/fd', '/proc/5678/fd'])
readlink_hits = set()
readlink_want = set(['/proc/1234/fd/1', '/proc/1234/fd/2',
'/proc/5678/fd/3'])
paths = { '1': '/irrelevant', '2': '/mnt/null/foo',
'3': '/mnt/null/bar'}
_os = helperfuncs.os
try:
helperfuncs.os = mock_os(listdir_hits, readlink_hits)
paths = helperfuncs.getMountedFiles('/mnt/null')
self.failUnlessEqual(paths,
set(['/mnt/null/foo', '/mnt/null/bar']))
self.failUnlessEqual(listdir_hits, listdir_want)
self.failUnlessEqual(readlink_hits, readlink_want)
finally:
helperfuncs.os = _os
