openstack/deb-cinder
Code Issues Proposed changes

Merge "ZFSSA driver to return project 'available' space"

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This commit is contained in:
Jenkins 2015-09-10 17:51:42 +00:00 committed by Gerrit Code Review
commit 87d32b1590
3 changed files with 39 additions and 19 deletions
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28
cinder/tests/unit/test_zfssa.py
View File

@ -460,10 +460,13 @@ class TestZFSSAISCSIDriver(test.TestCase):
'')
def test_get_volume_stats(self):
self.drv.zfssa.get_pool_stats.return_value = 2 * units.Gi, 3 * units.Gi
self.drv.zfssa.get_project_stats.return_value = 2 * units.Gi,\
3 * units.Gi
lcfg = self.configuration
stats = self.drv.get_volume_stats(refresh=True)
self.drv.zfssa.get_pool_stats.assert_called_once_with(lcfg.zfssa_pool)
self.drv.zfssa.get_project_stats.assert_called_once_with(
lcfg.zfssa_pool,
lcfg.zfssa_project)
self.assertEqual('Oracle', stats['vendor_name'])
self.assertEqual(self.configuration.volume_backend_name,
stats['volume_backend_name'])
@ -1176,6 +1179,27 @@ class TestZFSSAApi(test.TestCase):
'nodestroy': True}
self.zfssa.rclient.put.assert_called_with(expected_svc, expected_arg)
def test_get_project_stats(self):
ret_val = json.dumps({"project": {"name": self.project,
"space_available": 15754895360,
"space_total": 25754895360,
"dedup": False,
"logbias": "latency",
"encryption": "off"}})
self.zfssa.rclient.get.return_value = self._create_response(
client.Status.OK, ret_val)
self.zfssa.get_project_stats(self.pool, self.project)
expected_svc = '/api/storage/v1/pools/' + self.pool + '/projects/' + \
self.project
self.zfssa.rclient.get.assert_called_with(expected_svc)
self.zfssa.rclient.get.return_value = self._create_response(
client.Status.NOT_FOUND)
self.assertRaises(exception.VolumeBackendAPIException,
self.zfssa.get_project_stats,
self.pool,
self.project)
class TestZFSSANfsApi(test.TestCase):

3
cinder/volume/drivers/zfssa/zfssaiscsi.py
View File

@ -393,7 +393,8 @@ class ZFSSAISCSIDriver(driver.ISCSIDriver):
data["storage_protocol"] = self.protocol
lcfg = self.configuration
(avail, total) = self.zfssa.get_pool_stats(lcfg.zfssa_pool)
(avail, total) = self.zfssa.get_project_stats(lcfg.zfssa_pool,
lcfg.zfssa_project)
if avail is None or total is None:
return

27
cinder/volume/drivers/zfssa/zfssarest.py
View File

@ -352,35 +352,30 @@ class ZFSSAApi(object):
LOG.error(exception_msg)
raise exception.VolumeBackendAPIException(data=exception_msg)
def get_pool_stats(self, pool):
"""Get pool stats.
def get_project_stats(self, pool, project):
"""Get project stats.
Get space available and total properties of a pool
returns (avail, total).
Get available space and total space of a project
returns (avail, total).
"""
svc = '/api/storage/v1/pools/' + pool
svc = '/api/storage/v1/pools/%s/projects/%s' % (pool, project)
ret = self.rclient.get(svc)
if ret.status != restclient.Status.OK:
exception_msg = (_('Error Getting Pool Stats: '
exception_msg = (_('Error Getting Project Stats: '
'Pool: %(pool)s '
'Project: %(project)s '
'Return code: %(ret.status)d '
'Message: %(ret.data)s.')
% {'pool': pool,
'project': project,
'ret.status': ret.status,
'ret.data': ret.data})
LOG.error(exception_msg)
raise exception.InvalidVolume(reason=exception_msg)
raise exception.VolumeBackendAPIException(data=exception_msg)
val = json.loads(ret.data)
if not self._is_pool_owned(val):
LOG.error(_LE('Error Pool ownership: Pool %(pool)s is not owned '
'by %(host)s.'),
{'pool': pool, 'host': self.host})
raise exception.InvalidInput(reason=pool)
avail = val['pool']['usage']['available']
total = val['pool']['usage']['total']
avail = val['project']['space_available']
total = avail + val['project']['space_total']
return avail, total