openstack
/
ironic
Code Issues Proposed changes

Joined 'tags' column while getting node 

Partial-bug: #1526266
Change-Id: Iab795248d7b5b1071f6dbd7dc170d1d6adc488a4
This commit is contained in:
Zhenguo Niu 2016-01-29 21:28:50 +08:00 committed by Zhenguo Niu
parent 506808c1af
commit 19ef56cf00
3 changed files with 38 additions and 8 deletions
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24
ironic/db/sqlalchemy/api.py
View File

@ -29,6 +29,7 @@ from oslo_utils import strutils
from oslo_utils import timeutils
from oslo_utils import uuidutils
from sqlalchemy.orm.exc import NoResultFound
from sqlalchemy.orm import joinedload
from sqlalchemy import sql
from ironic.common import exception
@ -63,6 +64,10 @@ def _session_for_write():
return enginefacade.writer.using(_CONTEXT)
def _get_node_query_with_tags():
return model_query(models.Node).options(joinedload('tags'))
def model_query(model, *args, **kwargs):
"""Query helper for simpler session usage.
@ -239,14 +244,14 @@ class Connection(api.Connection):
def get_node_list(self, filters=None, limit=None, marker=None,
sort_key=None, sort_dir=None):
query = model_query(models.Node)
query = _get_node_query_with_tags()
query = self._add_nodes_filters(query, filters)
return _paginate_query(models.Node, limit, marker,
sort_key, sort_dir, query)
def reserve_node(self, tag, node_id):
with _session_for_write():
query = model_query(models.Node)
query = _get_node_query_with_tags()
query = add_identity_filter(query, node_id)
# be optimistic and assume we usually create a reservation
count = query.filter_by(reservation=None).update(
@ -311,24 +316,29 @@ class Connection(api.Connection):
instance_uuid=values['instance_uuid'],
node=values['uuid'])
raise exception.NodeAlreadyExists(uuid=values['uuid'])
# Set tags to [] for new created node
node['tags'] = []
return node
def get_node_by_id(self, node_id):
query = model_query(models.Node).filter_by(id=node_id)
query = _get_node_query_with_tags()
query = query.filter_by(id=node_id)
try:
return query.one()
except NoResultFound:
raise exception.NodeNotFound(node=node_id)
def get_node_by_uuid(self, node_uuid):
query = model_query(models.Node).filter_by(uuid=node_uuid)
query = _get_node_query_with_tags()
query = query.filter_by(uuid=node_uuid)
try:
return query.one()
except NoResultFound:
raise exception.NodeNotFound(node=node_uuid)
def get_node_by_name(self, node_name):
query = model_query(models.Node).filter_by(name=node_name)
query = _get_node_query_with_tags()
query = query.filter_by(name=node_name)
try:
return query.one()
except NoResultFound:
@ -338,8 +348,8 @@ class Connection(api.Connection):
if not uuidutils.is_uuid_like(instance):
raise exception.InvalidUUID(uuid=instance)
query = (model_query(models.Node)
.filter_by(instance_uuid=instance))
query = _get_node_query_with_tags()
query = query.filter_by(instance_uuid=instance)
try:
result = query.one()

8
ironic/db/sqlalchemy/models.py
View File

@ -27,6 +27,7 @@ from sqlalchemy import Boolean, Column, DateTime, Index
from sqlalchemy import ForeignKey, Integer
from sqlalchemy import schema, String, Text
from sqlalchemy.ext.declarative import declarative_base
from sqlalchemy import orm
from ironic.common.i18n import _
from ironic.common import paths
@ -197,3 +198,10 @@ class NodeTag(Base):
node_id = Column(Integer, ForeignKey('nodes.id'),
primary_key=True, nullable=False)
tag = Column(String(255), primary_key=True, nullable=False)
node = orm.relationship(
"Node",
backref='tags',
primaryjoin='and_(NodeTag.node_id == Node.id)',
foreign_keys=node_id
)

14
ironic/tests/unit/db/test_nodes.py
View File

@ -61,22 +61,28 @@ class DbNodeTestCase(base.DbTestCase):
def test_get_node_by_id(self):
node = utils.create_test_node()
self.dbapi.set_node_tags(node.id, ['tag1', 'tag2'])
res = self.dbapi.get_node_by_id(node.id)
self.assertEqual(node.id, res.id)
self.assertEqual(node.uuid, res.uuid)
self.assertItemsEqual(['tag1', 'tag2'], [tag.tag for tag in res.tags])
def test_get_node_by_uuid(self):
node = utils.create_test_node()
self.dbapi.set_node_tags(node.id, ['tag1', 'tag2'])
res = self.dbapi.get_node_by_uuid(node.uuid)
self.assertEqual(node.id, res.id)
self.assertEqual(node.uuid, res.uuid)
self.assertItemsEqual(['tag1', 'tag2'], [tag.tag for tag in res.tags])
def test_get_node_by_name(self):
node = utils.create_test_node()
self.dbapi.set_node_tags(node.id, ['tag1', 'tag2'])
res = self.dbapi.get_node_by_name(node.name)
self.assertEqual(node.id, res.id)
self.assertEqual(node.uuid, res.uuid)
self.assertEqual(node.name, res.name)
self.assertItemsEqual(['tag1', 'tag2'], [tag.tag for tag in res.tags])
def test_get_node_that_does_not_exist(self):
self.assertRaises(exception.NodeNotFound,
@ -217,6 +223,8 @@ class DbNodeTestCase(base.DbTestCase):
res = self.dbapi.get_node_list()
res_uuids = [r.uuid for r in res]
six.assertCountEqual(self, uuids, res_uuids)
for r in res:
self.assertEqual([], r.tags)
def test_get_node_list_with_filters(self):
ch1 = utils.create_test_chassis(uuid=uuidutils.generate_uuid())
@ -272,9 +280,11 @@ class DbNodeTestCase(base.DbTestCase):
def test_get_node_by_instance(self):
node = utils.create_test_node(
instance_uuid='12345678-9999-0000-aaaa-123456789012')
self.dbapi.set_node_tags(node.id, ['tag1', 'tag2'])
res = self.dbapi.get_node_by_instance(node.instance_uuid)
self.assertEqual(node.uuid, res.uuid)
self.assertItemsEqual(['tag1', 'tag2'], [tag.tag for tag in res.tags])
def test_get_node_by_instance_wrong_uuid(self):
utils.create_test_node(
@ -446,12 +456,14 @@ class DbNodeTestCase(base.DbTestCase):
def test_reserve_node(self):
node = utils.create_test_node()
self.dbapi.set_node_tags(node.id, ['tag1', 'tag2'])
uuid = node.uuid
r1 = 'fake-reservation'
# reserve the node
self.dbapi.reserve_node(r1, uuid)
res = self.dbapi.reserve_node(r1, uuid)
self.assertItemsEqual(['tag1', 'tag2'], [tag.tag for tag in res.tags])
# check reservation
res = self.dbapi.get_node_by_uuid(uuid)