Show default configuration Quotas

Fixes bug 1144076

The patch set shows the defualt quotas that exist in
the configuration file. This is if the DB_QUOTA_DRIVER
is not configured. In this case the user is required
to update the configuration file and restart the service.

Change-Id: I5517c0215e8cfa71453ee38c34d8249e74346fdf
This commit is contained in:
Gary Kotton 2013-03-04 10:21:28 +00:00
parent 72cb17b55f
commit b62324360b
3 changed files with 132 additions and 11 deletions

View File

@ -41,7 +41,7 @@ class QuotaSetsController(wsgi.Controller):
def __init__(self, plugin):
self._resource_name = RESOURCE_NAME
self._plugin = plugin
self._driver = importutils.import_class(DB_QUOTA_DRIVER)
self._driver = importutils.import_class(cfg.CONF.QUOTAS.quota_driver)
self._update_extended_attributes = True
def _update_attributes(self):
@ -56,7 +56,7 @@ class QuotaSetsController(wsgi.Controller):
def _get_body(self, request):
body = self._deserialize(request.body,
request.best_match_content_type())
if self._update_extended_attributes is True:
if self._update_extended_attributes:
self._update_attributes()
attr_info = EXTENDED_ATTRIBUTES_2_0[RESOURCE_COLLECTION]
@ -69,7 +69,7 @@ class QuotaSetsController(wsgi.Controller):
request.context, QUOTAS.resources, tenant_id)
def create(self, request, body=None):
raise NotImplementedError()
raise webob.exc.HTTPNotImplemented()
def index(self, request):
context = request.context
@ -127,7 +127,7 @@ class Quotasv2(extensions.ExtensionDescriptor):
@classmethod
def get_name(cls):
return "Quotas for each tenant"
return "Quota management support"
@classmethod
def get_alias(cls):
@ -135,8 +135,10 @@ class Quotasv2(extensions.ExtensionDescriptor):
@classmethod
def get_description(cls):
return ("Expose functions for cloud admin to update quotas"
"for each tenant")
description = 'Expose functions for quotas management'
if cfg.CONF.QUOTAS.quota_driver == DB_QUOTA_DRIVER:
description += ' per tenant'
return description
@classmethod
def get_namespace(cls):
@ -160,8 +162,3 @@ class Quotasv2(extensions.ExtensionDescriptor):
return EXTENDED_ATTRIBUTES_2_0
else:
return {}
def check_env(self):
if cfg.CONF.QUOTAS.quota_driver != DB_QUOTA_DRIVER:
msg = _('Quota driver %s is needed.') % DB_QUOTA_DRIVER
raise exceptions.InvalidExtenstionEnv(reason=msg)

View File

@ -17,6 +17,7 @@
"""Quotas for instances, volumes, and floating ips."""
from oslo.config import cfg
import webob
from quantum.common import exceptions
from quantum.openstack.common import importutils
@ -124,6 +125,26 @@ class ConfDriver(object):
raise exceptions.OverQuota(overs=sorted(overs), quotas=quotas,
usages={})
@staticmethod
def get_tenant_quotas(context, resources, tenant_id):
quotas = {}
sub_resources = dict((k, v) for k, v in resources.items())
for resource in sub_resources.values():
quotas[resource.name] = resource.default
return quotas
@staticmethod
def get_all_quotas(context, resources):
return []
@staticmethod
def delete_tenant_quota(context, tenant_id):
raise webob.exc.HTTPForbidden()
@staticmethod
def update_quota_limit(context, tenant_id, resource, limit):
raise webob.exc.HTTPForbidden()
class BaseResource(object):
"""Describe a single resource for quota checking."""

View File

@ -213,3 +213,106 @@ class QuotaExtensionTestCase(testlib_api.WebTestCase):
class QuotaExtensionTestCaseXML(QuotaExtensionTestCase):
fmt = 'xml'
class QuotaExtensionCfgTestCase(testlib_api.WebTestCase):
fmt = 'json'
def setUp(self):
super(QuotaExtensionCfgTestCase, self).setUp()
db._ENGINE = None
db._MAKER = None
# Ensure 'stale' patched copies of the plugin are never returned
manager.QuantumManager._instance = None
# Ensure existing ExtensionManager is not used
extensions.PluginAwareExtensionManager._instance = None
# Save the global RESOURCE_ATTRIBUTE_MAP
self.saved_attr_map = {}
for resource, attrs in attributes.RESOURCE_ATTRIBUTE_MAP.iteritems():
self.saved_attr_map[resource] = attrs.copy()
# Create the default configurations
args = ['--config-file', test_extensions.etcdir('quantum.conf.test')]
config.parse(args=args)
# Update the plugin and extensions path
cfg.CONF.set_override('core_plugin', TARGET_PLUGIN)
cfg.CONF.set_override(
'quota_items',
['network', 'subnet', 'port', 'extra1'],
group='QUOTAS')
quota.QUOTAS = quota.QuotaEngine()
quota.register_resources_from_config()
self._plugin_patcher = mock.patch(TARGET_PLUGIN, autospec=True)
self.plugin = self._plugin_patcher.start()
self.plugin.return_value.supported_extension_aliases = ['quotas']
# QUOTAS will regester the items in conf when starting
# extra1 here is added later, so have to do it manually
quota.QUOTAS.register_resource_by_name('extra1')
ext_mgr = extensions.PluginAwareExtensionManager.get_instance()
l2network_db_v2.initialize()
app = config.load_paste_app('extensions_test_app')
ext_middleware = extensions.ExtensionMiddleware(app, ext_mgr=ext_mgr)
self.api = webtest.TestApp(ext_middleware)
super(QuotaExtensionCfgTestCase, self).setUp()
def tearDown(self):
self._plugin_patcher.stop()
self.api = None
self.plugin = None
db._ENGINE = None
db._MAKER = None
cfg.CONF.reset()
# Restore the global RESOURCE_ATTRIBUTE_MAP
attributes.RESOURCE_ATTRIBUTE_MAP = self.saved_attr_map
super(QuotaExtensionCfgTestCase, self).tearDown()
def test_quotas_default_values(self):
tenant_id = 'tenant_id1'
env = {'quantum.context': context.Context('', tenant_id)}
res = self.api.get(_get_path('quotas', id=tenant_id, fmt=self.fmt),
extra_environ=env)
quota = self.deserialize(res)
self.assertEqual(10, quota['quota']['network'])
self.assertEqual(10, quota['quota']['subnet'])
self.assertEqual(50, quota['quota']['port'])
self.assertEqual(-1, quota['quota']['extra1'])
def test_show_quotas_with_admin(self):
tenant_id = 'tenant_id1'
env = {'quantum.context': context.Context('', tenant_id + '2',
is_admin=True)}
res = self.api.get(_get_path('quotas', id=tenant_id, fmt=self.fmt),
extra_environ=env)
self.assertEqual(200, res.status_int)
def test_show_quotas_without_admin_forbidden(self):
tenant_id = 'tenant_id1'
env = {'quantum.context': context.Context('', tenant_id + '2',
is_admin=False)}
res = self.api.get(_get_path('quotas', id=tenant_id, fmt=self.fmt),
extra_environ=env, expect_errors=True)
self.assertEqual(403, res.status_int)
def test_update_quotas_forbidden(self):
tenant_id = 'tenant_id1'
quotas = {'quota': {'network': 100}}
res = self.api.put(_get_path('quotas', id=tenant_id, fmt=self.fmt),
self.serialize(quotas),
expect_errors=True)
self.assertEqual(403, res.status_int)
def test_delete_quotas_forbidden(self):
tenant_id = 'tenant_id1'
env = {'quantum.context': context.Context('', tenant_id,
is_admin=False)}
res = self.api.delete(_get_path('quotas', id=tenant_id, fmt=self.fmt),
extra_environ=env, expect_errors=True)
self.assertEqual(403, res.status_int)
class QuotaExtensionCfgTestCaseXML(QuotaExtensionCfgTestCase):
fmt = 'xml'