def test_migration_get_in_progress_by_host_and_node(self):
self.mox.StubOutWithMock(db,
'migration_get_in_progress_by_host_and_node')
db.migration_get_in_progress_by_host_and_node(
self.context, 'fake-host', 'fake-node').AndReturn('fake-result')
self.mox.ReplayAll()
result = self.conductor.migration_get_in_progress_by_host_and_node(
self.context, 'fake-host', 'fake-node')
self.assertEqual(result, 'fake-result')
def test_migration_get_in_progress_by_host_and_node(self):
self.mox.StubOutWithMock(db,
'migration_get_in_progress_by_host_and_node')
db.migration_get_in_progress_by_host_and_node(
self.context, 'fake-host', 'fake-node').AndReturn('fake-result')
self.mox.ReplayAll()
result = self.conductor.migration_get_in_progress_by_host_and_node(
self.context, 'fake-host', 'fake-node')
self.assertEqual(result, 'fake-result')
def test_get_in_progress_by_host_and_node(self):
ctxt = context.get_admin_context()
db_migrations = [fake_migration, dict(fake_migration, id=456)]
self.mox.StubOutWithMock(db,
'migration_get_in_progress_by_host_and_node')
db.migration_get_in_progress_by_host_and_node(
ctxt, 'host', 'node').AndReturn(db_migrations)
self.mox.ReplayAll()
migrations = (migration.MigrationList.get_in_progress_by_host_and_node(
ctxt, 'host', 'node'))
self.assertEqual(2, len(migrations))
for index, db_migration in enumerate(db_migrations):
self._compare(migrations[index], db_migration)
def test_get_in_progress_by_host_and_node(self):
ctxt = context.get_admin_context()
db_migrations = [fake_migration, dict(fake_migration, id=456)]
self.mox.StubOutWithMock(
db, 'migration_get_in_progress_by_host_and_node')
db.migration_get_in_progress_by_host_and_node(
ctxt, 'host', 'node').AndReturn(db_migrations)
self.mox.ReplayAll()
migrations = (
migration.MigrationList.get_in_progress_by_host_and_node(
ctxt, 'host', 'node'))
self.assertEqual(2, len(migrations))
for index, db_migration in enumerate(db_migrations):
self._compare(migrations[index], db_migration)
def update_available_resource(self, context):
"""Override in-memory calculations of compute node resource usage based
on data audited from the hypervisor layer.
Add in resource claims in progress to account for operations that have
declared a need for resources, but not necessarily retrieved them from
the hypervisor layer yet.
"""
LOG.audit(_("Auditing locally available compute resources"))
resources = self.driver.get_available_resource(self.nodename)
if not resources:
# The virt driver does not support this function
LOG.audit(_("Virt driver does not support " "'get_available_resource' Compute tracking is disabled."))
self.compute_node = None
return
self._verify_resources(resources)
self._report_hypervisor_resource_view(resources)
# Grab all instances assigned to this node:
instances = db.instance_get_all_by_host_and_node(context, self.host, self.nodename)
# Now calculate usage based on instance utilization:
self._update_usage_from_instances(resources, instances)
# Grab all in-progress migrations:
migrations = db.migration_get_in_progress_by_host_and_node(context, self.host, self.nodename)
self._update_usage_from_migrations(resources, migrations)
self._report_final_resource_view(resources)
self._sync_compute_node(context, resources)
def update_available_resource(self, context):
"""Override in-memory calculations of compute node resource usage based
on data audited from the hypervisor layer.
Add in resource claims in progress to account for operations that have
declared a need for resources, but not necessarily retrieved them from
the hypervisor layer yet.
"""
LOG.audit(_("Auditing locally available compute resources"))
resources = self.driver.get_available_resource(self.nodename)
if not resources:
# The virt driver does not support this function
LOG.audit(
_("Virt driver does not support "
"'get_available_resource' Compute tracking is disabled."))
self.compute_node = None
return
self._verify_resources(resources)
self._report_hypervisor_resource_view(resources)
# Grab all instances assigned to this node:
instances = db.instance_get_all_by_host_and_node(
context, self.host, self.nodename)
# Now calculate usage based on instance utilization:
self._update_usage_from_instances(resources, instances)
# Grab all in-progress migrations:
migrations = db.migration_get_in_progress_by_host_and_node(
context, self.host, self.nodename)
self._update_usage_from_migrations(resources, migrations)
# Detect and account for orphaned instances that may exist on the
# hypervisor, but are not in the DB:
orphans = self._find_orphaned_instances()
self._update_usage_from_orphans(resources, orphans)
self._report_final_resource_view(resources)
self._sync_compute_node(context, resources)
def get_in_progress_by_host_and_node(cls, context, host, node):
db_migrations = db.migration_get_in_progress_by_host_and_node(
context, host, node)
return _make_list(context, MigrationList(), Migration, db_migrations)
def get_in_progress_by_host_and_node(cls, context, host, node):
db_migrations = db.migration_get_in_progress_by_host_and_node(
context, host, node)
return base.obj_make_list(context, cls(context), objects.Migration,
db_migrations)
def get_in_progress_by_host_and_node(cls, context, host, node):
db_migrations = db.migration_get_in_progress_by_host_and_node(
context, host, node)
return _make_list(context, MigrationList(), Migration, db_migrations)
def get_in_progress_by_host_and_node(cls, context, host, node):
db_migrations = db.migration_get_in_progress_by_host_and_node(
context, host, node)
return base.obj_make_list(context, cls(context), objects.Migration,
db_migrations)
