openstack
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heat
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Add resource OS::Cinder::QoSAssociation

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Add association resource between volume types and QoS specs.

blueprint update-cinder-resources

Change-Id: I448bfeed7914308779ab36fe33966e57acaec02b
changes/13/249713/23
ricolin 8 years ago
parent 49226daee0
commit cd090780eb
5 changed files with 210 additions and 6 deletions
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3
etc/heat/policy.json
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@ -92,5 +92,6 @@
"resource_types:OS::Neutron::QoSPolicy": "rule:project_admin",
"resource_types:OS::Neutron::QoSBandwidthLimitRule": "rule:project_admin",
"resource_types:OS::Nova::HostAggregate": "rule:project_admin",
"resource_types:OS::Cinder::QoSSpecs": "rule:project_admin"
"resource_types:OS::Cinder::QoSSpecs": "rule:project_admin",
"resource_types:OS::Cinder::QoSAssociation": "rule:project_admin"
}

94
heat/engine/resources/openstack/cinder/qos_specs.py
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@ -12,9 +12,11 @@
# under the License.
from heat.common.i18n import _
from heat.engine import constraints
from heat.engine import properties
from heat.engine import resource
from heat.engine import support
from heat.engine import translation
class QoSSpecs(resource.Resource):
@ -89,7 +91,99 @@ class QoSSpecs(resource.Resource):
super(QoSSpecs, self).handle_delete()
class QoSAssociation(resource.Resource):
"""A resource to associate cinder QoS specs with volume types.
Usage of this resource restricted to admins only by default policy.
"""
support_status = support.SupportStatus(version='8.0.0')
default_client_name = 'cinder'
required_service_extension = 'qos-specs'
PROPERTIES = (
QOS_SPECS, VOLUME_TYPES,
) = (
'qos_specs', 'volume_types',
)
properties_schema = {
QOS_SPECS: properties.Schema(
properties.Schema.STRING,
_('ID or Name of the QoS specs.'),
required=True,
constraints=[
constraints.CustomConstraint('cinder.qos_specs')
],
),
VOLUME_TYPES: properties.Schema(
properties.Schema.LIST,
_('List of volume type IDs or Names to be attached to QoS specs.'),
schema=properties.Schema(
properties.Schema.STRING,
_('A volume type to attach specs.'),
constraints=[
constraints.CustomConstraint('cinder.vtype')
],
),
update_allowed=True,
required=True,
),
}
def translation_rules(self, props):
return [
translation.TranslationRule(
props,
translation.TranslationRule.RESOLVE,
[self.VOLUME_TYPES],
client_plugin=self.client_plugin(),
finder='get_volume_type'
),
translation.TranslationRule(
props,
translation.TranslationRule.RESOLVE,
[self.QOS_SPECS],
client_plugin=self.client_plugin(),
finder='get_qos_specs'
)
]
def _find_diff(self, update_prps, stored_prps):
add_prps = list(set(update_prps or []) - set(stored_prps or []))
remove_prps = list(set(stored_prps or []) - set(update_prps or []))
return add_prps, remove_prps
def handle_create(self):
for vt in self.properties[self.VOLUME_TYPES]:
self.client().qos_specs.associate(self.properties[self.QOS_SPECS],
vt)
def handle_update(self, json_snippet, tmpl_diff, prop_diff):
"""Associate volume types to QoS."""
qos_specs = self.properties[self.QOS_SPECS]
new_associate_vts = prop_diff.get(self.VOLUME_TYPES)
old_associate_vts = self.properties[self.VOLUME_TYPES]
add_associate_vts, remove_associate_vts = self._find_diff(
new_associate_vts, old_associate_vts)
for vt in add_associate_vts:
self.client().qos_specs.associate(qos_specs, vt)
for vt in remove_associate_vts:
self.client().qos_specs.disassociate(qos_specs, vt)
def handle_delete(self):
volume_types = self.properties[self.VOLUME_TYPES]
for vt in volume_types:
self.client().qos_specs.disassociate(
self.properties[self.QOS_SPECS], vt)
def resource_mapping():
return {
'OS::Cinder::QoSSpecs': QoSSpecs,
'OS::Cinder::QoSAssociation': QoSAssociation,
}

4
heat/tests/common.py
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@ -245,6 +245,10 @@ class HeatTestCase(testscenarios.WithScenarios,
validate = self.patchobject(cinder.VolumeConstraint, 'validate')
validate.return_value = True
def stub_QoSSpecsConstraint_validate(self):
validate = self.patchobject(cinder.QoSSpecsConstraint, 'validate')
validate.return_value = True
def stub_SnapshotConstraint_validate(self):
validate = self.patchobject(
cinder.VolumeSnapshotConstraint, 'validate')

110
heat/tests/openstack/cinder/test_qos_specs.py
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@ -34,6 +34,20 @@ QOS_SPECS_TEMPLATE = {
}
}
QOS_ASSOCIATE_TEMPLATE = {
'heat_template_version': '2015-10-15',
'description': 'Cinder QoS specs association example',
'resources': {
'my_qos_associate': {
'type': 'OS::Cinder::QoSAssociation',
'properties': {
'volume_types': ['ceph', 'lvm'],
'qos_specs': 'foobar'
}
}
}
}
class QoSSpecsTest(common.HeatTestCase):
@ -55,12 +69,12 @@ class QoSSpecsTest(common.HeatTestCase):
self.value = mock.MagicMock()
self.value.id = '927202df-1afb-497f-8368-9c2d2f26e5db'
self.value.name = 'foobar'
self.value.specs = {"foo": "bar", "foo1": "bar1"}
self.value.specs = {'foo': 'bar', 'foo1': 'bar1'}
self.qos_specs.create.return_value = self.value
def test_resource_mapping(self):
mapping = qos_specs.resource_mapping()
self.assertEqual(1, len(mapping))
self.assertEqual(2, len(mapping))
self.assertEqual(qos_specs.QoSSpecs,
mapping['OS::Cinder::QoSSpecs'])
self.assertIsInstance(self.my_qos_specs,
@ -78,9 +92,9 @@ class QoSSpecsTest(common.HeatTestCase):
def test_qos_specs_handle_update_specs(self):
self._set_up_qos_specs_environment()
resource_id = self.my_qos_specs.resource_id
prop_diff = {'specs': {"foo": "bar", "bar": "bar"}}
set_expected = {"bar": "bar"}
unset_expected = ["foo1"]
prop_diff = {'specs': {'foo': 'bar', 'bar': 'bar'}}
set_expected = {'bar': 'bar'}
unset_expected = ['foo1']
self.my_qos_specs.handle_update(
json_snippet=None, tmpl_diff=None, prop_diff=prop_diff
@ -99,3 +113,89 @@ class QoSSpecsTest(common.HeatTestCase):
resource_id = self.my_qos_specs.resource_id
self.my_qos_specs.handle_delete()
self.qos_specs.disassociate_all.assert_called_once_with(resource_id)
class QoSAssociationTest(common.HeatTestCase):
def setUp(self):
super(QoSAssociationTest, self).setUp()
self.ctx = utils.dummy_context()
self.qos_specs_id = 'foobar'
self.patchobject(c_plugin.CinderClientPlugin, 'has_extension',
return_value=True)
self.patchobject(c_plugin.CinderClientPlugin, 'get_qos_specs',
return_value=self.qos_specs_id)
self.stack = stack.Stack(
self.ctx, 'cinder_qos_associate_test_stack',
template.Template(QOS_ASSOCIATE_TEMPLATE)
)
self.my_qos_associate = self.stack['my_qos_associate']
cinder_client = mock.MagicMock()
self.cinderclient = mock.MagicMock()
self.my_qos_associate.client = cinder_client
cinder_client.return_value = self.cinderclient
self.qos_specs = self.cinderclient.qos_specs
self.stub_QoSSpecsConstraint_validate()
self.stub_VolumeTypeConstraint_validate()
self.vt_ceph = 'ceph'
self.vt_lvm = 'lvm'
self.vt_new_ceph = 'new_ceph'
def test_resource_mapping(self):
mapping = qos_specs.resource_mapping()
self.assertEqual(2, len(mapping))
self.assertEqual(qos_specs.QoSAssociation,
mapping['OS::Cinder::QoSAssociation'])
self.assertIsInstance(self.my_qos_associate,
qos_specs.QoSAssociation)
def _set_up_qos_associate_environment(self):
self.my_qos_associate.handle_create()
def test_qos_associate_handle_create(self):
self.patchobject(c_plugin.CinderClientPlugin, 'get_volume_type',
side_effect=[self.vt_ceph, self.vt_lvm])
self._set_up_qos_associate_environment()
self.cinderclient.qos_specs.associate.assert_any_call(
self.qos_specs_id,
self.vt_ceph
)
self.qos_specs.associate.assert_any_call(
self.qos_specs_id,
self.vt_lvm
)
def test_qos_associate_handle_update(self):
self.patchobject(c_plugin.CinderClientPlugin, 'get_volume_type',
side_effect=[self.vt_lvm, self.vt_ceph,
self.vt_new_ceph,
self.vt_ceph])
self._set_up_qos_associate_environment()
prop_diff = {'volume_types': [self.vt_lvm, self.vt_new_ceph]}
self.my_qos_associate.handle_update(
json_snippet=None, tmpl_diff=None, prop_diff=prop_diff
)
self.qos_specs.associate.assert_any_call(
self.qos_specs_id,
self.vt_new_ceph
)
self.qos_specs.disassociate.assert_any_call(
self.qos_specs_id,
self.vt_ceph
)
def test_qos_associate_handle_delete_specs(self):
self.patchobject(c_plugin.CinderClientPlugin, 'get_volume_type',
side_effect=[self.vt_ceph, self.vt_lvm,
self.vt_ceph, self.vt_lvm])
self._set_up_qos_associate_environment()
self.my_qos_associate.handle_delete()
self.qos_specs.disassociate.assert_any_call(
self.qos_specs_id,
self.vt_ceph
)
self.qos_specs.disassociate.assert_any_call(
self.qos_specs_id,
self.vt_lvm
)

5
releasenotes/notes/bp-update-cinder-resources-e23e62762f167d29.yaml
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@ -0,0 +1,5 @@
---
features:
- OS::Cinder::QoSAssociation resource plugin is added to support cinder QoS
Specs Association with Volume Types, which is provided by cinder
``qos-specs`` API extension.
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