x/gantt
Code Issues Proposed changes

Merge "Remove _assert_compute_node_has_enough_memory from filter_scheduler.py"

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Jenkins 2013-09-19 22:03:49 +00:00 committed by Gerrit Code Review
commit c9561156f5
1 changed files with 0 additions and 30 deletions
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30
nova/scheduler/filter_scheduler.py
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@ -23,7 +23,6 @@ import random
from oslo.config import cfg
from nova.compute import flavors
from nova.compute import rpcapi as compute_rpcapi
from nova import db
from nova import exception
@ -372,32 +371,3 @@ class FilterScheduler(driver.Scheduler):
"""
service_ref = db.service_get_by_compute_host(context, dest)
return service_ref['compute_node'][0]
def _assert_compute_node_has_enough_memory(self, context,
instance_ref, dest):
"""Checks if destination host has enough memory for live migration.
:param context: security context
:param instance_ref: nova.db.sqlalchemy.models.Instance object
:param dest: destination host
"""
compute = self._get_compute_info(context, dest)
node = compute.get('hypervisor_hostname')
host_state = self.host_manager.host_state_cls(dest, node)
host_state.update_from_compute_node(compute)
instance_type = flavors.extract_flavor(instance_ref)
filter_properties = {'instance_type': instance_type}
hosts = self.host_manager.get_filtered_hosts([host_state],
filter_properties,
'RamFilter')
if not hosts:
instance_uuid = instance_ref['uuid']
reason = (_("Unable to migrate %(instance_uuid)s to %(dest)s: "
"Lack of memory")
% {'instance_uuid': instance_uuid,
'dest': dest})
raise exception.MigrationPreCheckError(reason=reason)