""" Test for Ceph clusters with multiple FSs. """ import logging from os.path import join as os_path_join # CapsHelper is subclassed from CephFSTestCase from tasks.cephfs.caps_helper import CapsHelper from teuthology.orchestra.run import CommandFailedError log = logging.getLogger(__name__) class TestMultiFS(CapsHelper): client_id = 'testuser' client_name = 'client.' + client_id # one dedicated for each FS MDSS_REQUIRED = 2 CLIENTS_REQUIRED = 2 def setUp(self): super(TestMultiFS, self).setUp() # we might have it - the client - if the same cluster was used for a # different vstart_runner.py run. self.run_cluster_cmd(f'auth rm {self.client_name}') self.fs1 = self.fs # After Octopus is EOL, we can remove this setting: self.fs1.set_allow_multifs() self.fs2 = self.mds_cluster.newfs(name='cephfs2', create=True) # we'll reassign caps to client.1 so that it can operate with cephfs2 self.run_cluster_cmd(f'auth caps client.{self.mount_b.client_id} mon ' f'"allow r" osd "allow rw ' f'pool={self.fs2.get_data_pool_name()}" mds allow') self.mount_b.remount(cephfs_name=self.fs2.name) class TestMONCaps(TestMultiFS): def test_moncap_with_one_fs_names(self): moncap = f'allow r fsname={self.fs1.name}' keyring = self.setup_test_env(moncap) self.run_mon_cap_tests(moncap, keyring) def test_moncap_with_multiple_fs_names(self): moncap = (f'allow r fsname={self.fs1.name}, ' f'allow r fsname={self.fs2.name}') keyring = self.setup_test_env(moncap) self.run_mon_cap_tests(moncap, keyring) def test_moncap_with_blanket_allow(self): moncap = 'allow r' keyring = self.setup_test_env(moncap) self.run_mon_cap_tests(moncap, keyring) def setup_test_env(self, moncap): return self.create_client(self.client_id, moncap) #TODO: add tests for capsecs 'p' and 's'. class TestMDSCaps(TestMultiFS): """ 0. Have 2 FSs on Ceph cluster. 1. Create new files on both FSs. 2. Create a new client that has authorization for both FSs. 3. Remount the current mounts with this new client. 4. Test read and write on both FSs. """ def test_rw_with_fsname_and_no_path_in_cap(self): perm = 'rw' filepaths, filedata, mounts = self.setup_test_env(perm, True) self.run_mds_cap_tests(filepaths, filedata, mounts, perm) def test_r_with_fsname_and_no_path_in_cap(self): perm = 'r' filepaths, filedata, mounts = self.setup_test_env(perm, True) self.run_mds_cap_tests(filepaths, filedata, mounts, perm) def test_rw_with_fsname_and_path_in_cap(self): perm = 'rw' filepaths, filedata, mounts = self.setup_test_env(perm, True,'dir1') self.run_mds_cap_tests(filepaths, filedata, mounts, perm) def test_r_with_fsname_and_path_in_cap(self): perm = 'r' filepaths, filedata, mounts = self.setup_test_env(perm, True, 'dir1') self.run_mds_cap_tests(filepaths, filedata, mounts, perm) # XXX: this tests the backward compatibility; "allow rw path=" is # treated as "allow rw fsname=* path=" def test_rw_with_no_fsname_and_path_in_cap(self): perm = 'rw' filepaths, filedata, mounts = self.setup_test_env(perm, False, 'dir1') self.run_mds_cap_tests(filepaths, filedata, mounts, perm) # XXX: this tests the backward compatibility; "allow r path=" is # treated as "allow r fsname=* path=" def test_r_with_no_fsname_and_path_in_cap(self): perm = 'r' filepaths, filedata, mounts = self.setup_test_env(perm, False, 'dir1') self.run_mds_cap_tests(filepaths, filedata, mounts, perm) def test_rw_with_no_fsname_and_no_path(self): perm = 'rw' filepaths, filedata, mounts = self.setup_test_env(perm) self.run_mds_cap_tests(filepaths, filedata, mounts, perm) def test_r_with_no_fsname_and_no_path(self): perm = 'r' filepaths, filedata, mounts = self.setup_test_env(perm) self.run_mds_cap_tests(filepaths, filedata, mounts, perm) def tearDown(self): self.mount_a.umount_wait() self.mount_b.umount_wait() super(type(self), self).tearDown() def setup_test_env(self, perm, fsname=False, cephfs_mntpt='/'): """ Creates the cap string, files on both the FSs and then creates the new client with the cap and remounts both the FSs with newly created client. """ filenames = ('file_on_fs1', 'file_on_fs2') filedata = ('some data on first fs', 'some data on second fs') mounts = (self.mount_a, self.mount_b) self.setup_fs_contents(cephfs_mntpt, filenames, filedata) keyring_paths = self.create_client_and_keyring_file(perm, fsname, cephfs_mntpt) filepaths = self.remount_with_new_client(cephfs_mntpt, filenames, keyring_paths) return filepaths, filedata, mounts def generate_caps(self, perm, fsname, cephfs_mntpt): moncap = 'allow r' osdcap = (f'allow {perm} tag cephfs data={self.fs1.name}, ' f'allow {perm} tag cephfs data={self.fs2.name}') if fsname: if cephfs_mntpt == '/': mdscap = (f'allow {perm} fsname={self.fs1.name}, ' f'allow {perm} fsname={self.fs2.name}') else: mdscap = (f'allow {perm} fsname={self.fs1.name} ' f'path=/{cephfs_mntpt}, ' f'allow {perm} fsname={self.fs2.name} ' f'path=/{cephfs_mntpt}') else: if cephfs_mntpt == '/': mdscap = f'allow {perm}' else: mdscap = f'allow {perm} path=/{cephfs_mntpt}' return moncap, osdcap, mdscap def create_client_and_keyring_file(self, perm, fsname, cephfs_mntpt): moncap, osdcap, mdscap = self.generate_caps(perm, fsname, cephfs_mntpt) keyring = self.create_client(self.client_id, moncap, osdcap, mdscap) keyring_paths = [] for mount_x in (self.mount_a, self.mount_b): keyring_paths.append(self.create_keyring_file( mount_x.client_remote, keyring)) return keyring_paths def setup_fs_contents(self, cephfs_mntpt, filenames, filedata): filepaths = [] iter_on = zip((self.mount_a, self.mount_b), filenames, filedata) for mount_x, filename, data in iter_on: if cephfs_mntpt != '/' : mount_x.run_shell(args=['mkdir', cephfs_mntpt]) filepaths.append(os_path_join(mount_x.hostfs_mntpt, cephfs_mntpt, filename)) else: filepaths.append(os_path_join(mount_x.hostfs_mntpt, filename)) mount_x.write_file(filepaths[-1], data) def remount_with_new_client(self, cephfs_mntpt, filenames, keyring_paths): if isinstance(cephfs_mntpt, str) and cephfs_mntpt != '/' : cephfs_mntpt = '/' + cephfs_mntpt self.mount_a.remount(client_id=self.client_id, client_keyring_path=keyring_paths[0], client_remote=self.mount_a.client_remote, cephfs_name=self.fs1.name, cephfs_mntpt=cephfs_mntpt, hostfs_mntpt=self.mount_a.hostfs_mntpt, wait=True) self.mount_b.remount(client_id=self.client_id, client_keyring_path=keyring_paths[1], client_remote=self.mount_b.client_remote, cephfs_name=self.fs2.name, cephfs_mntpt=cephfs_mntpt, hostfs_mntpt=self.mount_b.hostfs_mntpt, wait=True) return (os_path_join(self.mount_a.hostfs_mntpt, filenames[0]), os_path_join(self.mount_b.hostfs_mntpt, filenames[1])) class TestClientsWithoutAuth(TestMultiFS): def setUp(self): super(TestClientsWithoutAuth, self).setUp() # TODO: When MON and OSD caps for a Ceph FS are assigned to a # client but MDS caps are not, mount.ceph prints "permission # denied". But when MON caps are not assigned and MDS and OSD # caps are, mount.ceph prints "no mds server or cluster laggy" # instead of "permission denied". # # Before uncommenting the following line a fix would be required # for latter case to change "no mds server is up or the cluster is # laggy" to "permission denied". self.kernel_errmsgs = ('permission denied', 'no mds server is up or ' 'the cluster is laggy', 'no such file or ' 'directory', 'input/output error') # TODO: When MON and OSD caps are assigned for a Ceph FS to a # client but MDS caps are not, ceph-fuse prints "operation not # permitted". But when MON caps are not assigned and MDS and OSD # caps are, ceph-fuse prints "no such file or directory" instead # of "operation not permitted". # # Before uncommenting the following line a fix would be required # for the latter case to change "no such file or directory" to # "operation not permitted". #self.assertIn('operation not permitted', retval[2].lower()) self.fuse_errmsgs = ('operation not permitted', 'no such file or ' 'directory') if 'kernel' in str(type(self.mount_a)).lower(): self.errmsgs = self.kernel_errmsgs elif 'fuse' in str(type(self.mount_a)).lower(): self.errmsgs = self.fuse_errmsgs else: raise RuntimeError('strange, the client was neither based on ' 'kernel nor FUSE.') def check_that_mount_failed_for_right_reason(self, stderr): stderr = stderr.lower() for errmsg in self.errmsgs: if errmsg in stderr: break else: raise AssertionError('can\'t find expected set of words in the ' f'stderr\nself.errmsgs - {self.errmsgs}\n' f'stderr - {stderr}') def test_mount_all_caps_absent(self): # setup part... keyring = self.fs1.authorize(self.client_id, ('/', 'rw')) keyring_path = self.create_keyring_file(self.mount_a.client_remote, keyring) # mount the FS for which client has no auth... retval = self.mount_a.remount(client_id=self.client_id, client_keyring_path=keyring_path, cephfs_name=self.fs2.name, check_status=False) # tests... self.assertIsInstance(retval, tuple) self.assertEqual(len(retval), 3) self.assertIsInstance(retval[0], CommandFailedError) self.check_that_mount_failed_for_right_reason(retval[2]) def test_mount_mon_and_osd_caps_present_mds_caps_absent(self): # setup part... moncap = f'allow rw fsname={self.fs1.name}, allow rw fsname={self.fs2.name}' mdscap = f'allow rw fsname={self.fs1.name}' osdcap = (f'allow rw tag cephfs data={self.fs1.name}, allow rw tag ' f'cephfs data={self.fs2.name}') keyring = self.create_client(self.client_id, moncap, osdcap, mdscap) keyring_path = self.create_keyring_file(self.mount_a.client_remote, keyring) # mount the FS for which client has no auth... retval = self.mount_a.remount(client_id=self.client_id, client_keyring_path=keyring_path, cephfs_name=self.fs2.name, check_status=False) # tests... self.assertIsInstance(retval, tuple) self.assertEqual(len(retval), 3) self.assertIsInstance(retval[0], CommandFailedError) self.check_that_mount_failed_for_right_reason(retval[2])