openstack/manila
Code Issues Proposed changes

glusterfs: add NFS-Ganesha based service backend

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Partially implements blueprint gateway-mediated-with-ganesha

Change-Id: I92da2117086ed25f304e8da9db7ca8c686c6463c
This commit is contained in:
Csaba Henk 2014-09-08 07:50:13 +02:00
parent e4dac43a5f
commit d3b499b9ac
3 changed files with 129 additions and 2 deletions
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43
manila/share/drivers/glusterfs.py
View File

@ -55,7 +55,7 @@ GlusterfsManilaShare_opts = [
cfg.StrOpt('glusterfs_nfs_server_type',
default='Gluster',
help='Type of NFS server that mediate access to the Gluster '
'volumes (for now: only Gluster).'),
'volumes (Gluster or Ganesha).'),
cfg.StrOpt('glusterfs_server_password',
default=None,
secret=True,
@ -65,6 +65,18 @@ GlusterfsManilaShare_opts = [
cfg.StrOpt('glusterfs_path_to_private_key',
default=None,
help='Path of Manila host\'s private SSH key file.'),
cfg.StrOpt('glusterfs_ganesha_server_ip',
default=None,
help="Remote Ganesha server node's IP address."),
cfg.StrOpt('glusterfs_ganesha_server_username',
default='root',
help="Remote Ganesha server node's username."),
cfg.StrOpt('glusterfs_ganesha_server_password',
default=None,
secret=True,
help="Remote Ganesha server node's login password. "
"This is not required if 'glusterfs_path_to_private_key'"
' is configured.'),
]
CONF = cfg.CONF
@ -463,3 +475,32 @@ class GlusterNFSHelper(ganesha.NASHelperBase):
ddict.pop(edir)
self._manage_access(share['name'], access['access_type'],
access['access_to'], cbk)
class GaneshaNFSHelper(ganesha.GaneshaNASHelper):
def __init__(self, execute, config_object, **kwargs):
self.gluster_manager = kwargs.pop('gluster_manager')
if config_object.glusterfs_ganesha_server_ip:
execute = ganesha_utils.SSHExecutor(
config_object.glusterfs_ganesha_server_ip, 22, None,
config_object.glusterfs_ganesha_server_username,
password=config_object.glusterfs_ganesha_server_password,
privatekey=config_object.glusterfs_path_to_private_key)
else:
execute = ganesha_utils.RootExecutor(execute)
super(GaneshaNFSHelper, self).__init__(execute, config_object,
**kwargs)
def _default_config_hook(self):
"""Callback to provide default export block."""
dconf = super(GaneshaNFSHelper, self)._default_config_hook()
conf_dir = ganesha_utils.path_from(__file__, "glusterfs", "conf")
ganesha_utils.patch(dconf, self._load_conf_dir(conf_dir))
return dconf
def _fsal_hook(self, base, share, access):
"""Callback to create FSAL subblock."""
return {"Hostname": self.gluster_manager.host,
"Volume": self.gluster_manager.volume,
"Volpath": "/" + share['name']}

8
manila/share/drivers/glusterfs/conf/10-glusterfs-export-template.conf Normal file
View File

@ -0,0 +1,8 @@
EXPORT {
FSAL {
Name = GLUSTER;
Hostname = @config;
Volume = @config;
Volpath = @runtime;
}
}

80
manila/tests/share/drivers/test_glusterfs.py
View File

@ -13,6 +13,7 @@
# License for the specific language governing permissions and limitations
# under the License.
import copy
import errno
import os
@ -43,7 +44,6 @@ fake_gluster_manager_attrs = {
fake_local_share_path = '/mnt/nfs/testvol/fakename'
fake_args = ('foo', 'bar')
fake_kwargs = {'key1': 'value1', 'key2': 'value2'}
fake_path_to_private_key = '/fakepath/to/privatekey'
@ -844,3 +844,81 @@ class GlusterNFSHelperTestCase(test.TestCase):
self._helper._get_export_dir_dict.assert_called_once_with()
self._helper.gluster_manager.gluster_call.assert_called_once_with(
*args)
class GaneshaNFSHelperTestCase(test.TestCase):
"""Tests GaneshaNFSHelper."""
def setUp(self):
super(GaneshaNFSHelperTestCase, self).setUp()
self.gluster_manager = mock.Mock(**fake_gluster_manager_attrs)
self._execute = mock.Mock(return_value=('', ''))
self._root_execute = mock.Mock(return_value=('', ''))
self.access = fake_share.fake_access()
self.fake_conf = config.Configuration(None)
self.fake_template = {'key': 'value'}
self.share = fake_share.fake_share()
self.mock_object(glusterfs.ganesha_utils, 'RootExecutor',
mock.Mock(return_value=self._root_execute))
self.mock_object(glusterfs.ganesha.GaneshaNASHelper, '__init__',
mock.Mock())
self._helper = glusterfs.GaneshaNFSHelper(
self._execute, self.fake_conf,
gluster_manager=self.gluster_manager)
def test_init_local_ganesha_server(self):
glusterfs.ganesha_utils.RootExecutor.assert_called_once_with(
self._execute)
glusterfs.ganesha.GaneshaNASHelper.__init__.assert_has_calls(
[mock.call(self._root_execute, self.fake_conf)])
def test_init_remote_ganesha_server(self):
ssh_execute = mock.Mock(return_value=('', ''))
CONF.set_default('glusterfs_ganesha_server_ip', 'fakeip')
self.mock_object(glusterfs.ganesha_utils, 'SSHExecutor',
mock.Mock(return_value=ssh_execute))
glusterfs.GaneshaNFSHelper(
self._execute, self.fake_conf,
gluster_manager=self.gluster_manager)
glusterfs.ganesha_utils.SSHExecutor.assert_called_once_with(
'fakeip', 22, None, 'root', password=None, privatekey=None)
glusterfs.ganesha.GaneshaNASHelper.__init__.assert_has_calls(
[mock.call(ssh_execute, self.fake_conf)])
def test_default_config_hook(self):
fake_conf_dict = {'key': 'value1'}
mock_ganesha_utils_patch = mock.Mock()
def fake_patch_run(tmpl1, tmpl2):
mock_ganesha_utils_patch(
copy.deepcopy(tmpl1), tmpl2)
tmpl1.update(tmpl2)
self.mock_object(glusterfs.ganesha.GaneshaNASHelper,
'_default_config_hook',
mock.Mock(return_value=self.fake_template))
self.mock_object(glusterfs.ganesha_utils, 'path_from',
mock.Mock(return_value='/fakedir/glusterfs/conf'))
self.mock_object(self._helper, '_load_conf_dir',
mock.Mock(return_value=fake_conf_dict))
self.mock_object(glusterfs.ganesha_utils, 'patch',
mock.Mock(side_effect=fake_patch_run))
ret = self._helper._default_config_hook()
glusterfs.ganesha.GaneshaNASHelper._default_config_hook.\
assert_called_once_with()
glusterfs.ganesha_utils.path_from.assert_called_once_with(
glusterfs.__file__, 'glusterfs', 'conf')
self._helper._load_conf_dir.assert_called_once_with(
'/fakedir/glusterfs/conf')
glusterfs.ganesha_utils.patch.assert_called_once_with(
self.fake_template, fake_conf_dict)
self.assertEqual(fake_conf_dict, ret)
def test_fsal_hook(self):
output = {
'Hostname': '127.0.0.1',
'Volume': 'testvol',
'Volpath': '/fakename'
}
ret = self._helper._fsal_hook('/fakepath', self.share, self.access)
self.assertEqual(output, ret)