def test_numa_topology_online_migration_when_load(self):
"""Ensure legacy NUMA topology objects are reserialized to o.vo's."""
cn = fake_compute_obj.obj_clone()
cn._context = self.context
cn.create()
legacy_topology = jsonutils.dumps({
"cells": [
{
"id": 0,
"cpus": "0-3",
"mem": {"total": 512, "used": 256},
"cpu_usage": 2,
},
{
"id": 1,
"cpus": "4,5,6,7",
"mem": {"total": 512, "used": 0},
"cpu_usage": 0,
}
]
})
db.compute_node_update(
self.context, cn.id, {'numa_topology': legacy_topology})
cn_db = db.compute_node_get(self.context, cn.id)
self.assertEqual(legacy_topology, cn_db['numa_topology'])
self.assertNotIn('nova_object.name', cn_db['numa_topology'])
# trigger online migration
objects.ComputeNodeList.get_all(self.context)
cn_db = db.compute_node_get(self.context, cn.id)
self.assertNotEqual(legacy_topology, cn_db['numa_topology'])
self.assertIn('nova_object.name', cn_db['numa_topology'])
def _create_zero_and_none_cn(self):
cn1 = fake_compute_obj.obj_clone()
cn1._context = self.context
cn1.create()
db.compute_node_update(
self.context, cn1.id, {
'cpu_allocation_ratio': 0.0,
'disk_allocation_ratio': 0.0,
'ram_allocation_ratio': 0.0
})
cn1_db = db.compute_node_get(self.context, cn1.id)
for x in ['cpu', 'disk', 'ram']:
self.assertEqual(0.0, cn1_db['%s_allocation_ratio' % x])
cn2 = fake_compute_obj.obj_clone()
cn2._context = self.context
cn2.host += '-alt'
cn2.create()
# We can't set a cn_obj.xxx_allocation_ratio to None,
# so we set ratio to None in db directly
db.compute_node_update(
self.context, cn2.id, {
'cpu_allocation_ratio': None,
'disk_allocation_ratio': None,
'ram_allocation_ratio': None
})
cn2_db = db.compute_node_get(self.context, cn2.id)
for x in ['cpu', 'disk', 'ram']:
self.assertIsNone(None, cn2_db['%s_allocation_ratio' % x])
def _create_zero_and_none_cn(self):
cn1 = fake_compute_obj.obj_clone()
cn1._context = self.context
cn1.create()
db.compute_node_update(self.context, cn1.id,
{'cpu_allocation_ratio': 0.0,
'disk_allocation_ratio': 0.0,
'ram_allocation_ratio': 0.0})
cn1_db = db.compute_node_get(self.context, cn1.id)
for x in ['cpu', 'disk', 'ram']:
self.assertEqual(0.0, cn1_db['%s_allocation_ratio' % x])
cn2 = fake_compute_obj.obj_clone()
cn2._context = self.context
cn2.host += '-alt'
cn2.create()
# We can't set a cn_obj.xxx_allocation_ratio to None,
# so we set ratio to None in db directly
db.compute_node_update(self.context, cn2.id,
{'cpu_allocation_ratio': None,
'disk_allocation_ratio': None,
'ram_allocation_ratio': None})
cn2_db = db.compute_node_get(self.context, cn2.id)
for x in ['cpu', 'disk', 'ram']:
self.assertIsNone(None, cn2_db['%s_allocation_ratio' % x])
def get_by_id(cls, context, compute_id):
db_compute = db.compute_node_get(context, compute_id)
return cls._from_db_object(context, cls(), db_compute)