openstack/charm-ceph-osd
Code Issues Proposed changes

Fix finding local osds

Browse Source 
Previously, this function could crash upon encountering
some non-osd files such as `ceph.client.crash.keyring`.

Copy the logic from `find_filestore_osds()` to be more correct
for finding the ceph osd directories.

Closes-Bug: #2072920
Change-Id: I632008b10cfb7f667163c9381ae48432cbd65547
(cherry picked from commit 46dbc89d57)
This commit is contained in:
Samuel Allan 2024-07-30 10:07:40 +09:30
parent b15973407a
commit 5c69bca702
No known key found for this signature in database
GPG Key ID: 622F8E99C893BD61
2 changed files with 26 additions and 17 deletions
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23
lib/charms_ceph/utils.py
View File

@ -682,7 +682,7 @@ def _get_osd_num_from_dirname(dirname):
def get_local_osd_ids():
"""This will list the /var/lib/ceph/osd/* directories and try
"""This will list the /var/lib/ceph/osd/ceph-* directories and try
to split the ID off of the directory name and return it in
a list.
@ -690,18 +690,17 @@ def get_local_osd_ids():
:raises: OSError if something goes wrong with listing the directory.
"""
osd_ids = []
osd_path = os.path.join(os.sep, 'var', 'lib', 'ceph', 'osd')
osd_path = '/var/lib/ceph/osd'
if os.path.exists(osd_path):
try:
dirs = os.listdir(osd_path)
for osd_dir in dirs:
osd_id = osd_dir.split('-')[1]
if (_is_int(osd_id) and
filesystem_mounted(os.path.join(
os.sep, osd_path, osd_dir))):
osd_ids.append(osd_id)
except OSError:
raise
dirs = [d for d in os.listdir(osd_path)
if d.startswith('ceph-')
and os.path.isdir(os.path.join(osd_path, d))]
for osd_dir in dirs:
osd_id = osd_dir.split('-', maxsplit=1)[1]
if (_is_int(osd_id) and
filesystem_mounted(os.path.join(
osd_path, osd_dir))):
osd_ids.append(osd_id)
return osd_ids

20
unit_tests/test_actions_osd_out_in.py
View File

@ -119,17 +119,27 @@ class OSDMountTestCase(CharmTestCase):
def setUp(self):
super(OSDMountTestCase, self).setUp(actions, [])
@mock.patch('os.path.isdir')
@mock.patch('os.path.exists')
@mock.patch('os.listdir')
@mock.patch('charms_ceph.utils.filesystem_mounted')
def test_mounted_osds(self, fs_mounted, listdir, exists):
def test_mounted_osds(self, fs_mounted, listdir, exists, isdir):
# Simulate two osds, only one of which is mounted.
# Also include some unrelated files which should be cleanly ignored.
exists.return_value = True
isdir.return_value = True
listdir.return_value = [
'/var/lib/ceph/osd/ceph-1', '/var/lib/ceph/osd/ceph-2']
fs_mounted.side_effect = lambda x: x == listdir.return_value[0]
'ceph-1',
'ceph-2',
'ceph.client.crash.keyring',
'ceph.client.osd-removal.keyring',
'ceph.client.osd-upgrade.keyring',
]
fs_mounted.side_effect = lambda x: x == '/var/lib/ceph/osd/ceph-1'
osds = actions.get_local_osd_ids()
self.assertIn(listdir.return_value[0][-1], osds)
self.assertNotIn(listdir.return_value[1][-1], osds)
self.assertEqual(osds, ['1'])
class MainTestCase(CharmTestCase):