def schedule_run_instance(self, context, request_spec,
admin_password, injected_files,
requested_networks, is_first_time,
filter_properties, legacy_bdm_in_spec):
"""Create and run an instance or instances."""
instance_uuids = request_spec.get('instance_uuids')
for num, instance_uuid in enumerate(instance_uuids):
request_spec['instance_properties']['launch_index'] = num
try:
host = self._schedule(context, CONF.compute_topic,
request_spec, filter_properties)
updated_instance = driver.instance_update_db(context,
instance_uuid)
self.compute_rpcapi.run_instance(context,
instance=updated_instance, host=host,
requested_networks=requested_networks,
injected_files=injected_files,
admin_password=admin_password,
is_first_time=is_first_time,
request_spec=request_spec,
filter_properties=filter_properties,
legacy_bdm_in_spec=legacy_bdm_in_spec)
except Exception as ex:
# NOTE(vish): we don't reraise the exception here to make sure
# that all instances in the request get set to
# error properly
driver.handle_schedule_error(context, ex, instance_uuid,
request_spec)
def _provision_resource(self, context, weighed_host, request_spec,
filter_properties, requested_networks, injected_files,
admin_password, is_first_time, instance_uuid=None,
legacy_bdm_in_spec=True):
"""Create the requested resource in this Zone."""
# NOTE(vish): add our current instance back into the request spec
request_spec['instance_uuids'] = [instance_uuid]
payload = dict(request_spec=request_spec,
weighted_host=weighed_host.to_dict(),
instance_id=instance_uuid)
self.notifier.info(context,
'scheduler.run_instance.scheduled', payload)
# Update the metadata if necessary
scheduler_hints = filter_properties.get('scheduler_hints') or {}
try:
updated_instance = driver.instance_update_db(context,
instance_uuid)
except exception.InstanceNotFound:
LOG.warning(_("Instance disappeared during scheduling"),
context=context, instance_uuid=instance_uuid)
else:
scheduler_utils.populate_filter_properties(filter_properties,
weighed_host.obj)
self.compute_rpcapi.run_instance(context,
instance=updated_instance,
host=weighed_host.obj.host,
request_spec=request_spec,
filter_properties=filter_properties,
requested_networks=requested_networks,
injected_files=injected_files,
admin_password=admin_password, is_first_time=is_first_time,
node=weighed_host.obj.nodename,
legacy_bdm_in_spec=legacy_bdm_in_spec)