diff options
| -rw-r--r-- | nova/compute/manager.py | 48 |
1 files changed, 21 insertions, 27 deletions
diff --git a/nova/compute/manager.py b/nova/compute/manager.py index ebd91177f..950fe0d53 100644 --- a/nova/compute/manager.py +++ b/nova/compute/manager.py @@ -44,6 +44,7 @@ import functools from eventlet import greenthread +import nova.context from nova import exception from nova import flags import nova.image @@ -145,34 +146,26 @@ class ComputeManager(manager.SchedulerDependentManager): *args, **kwargs) def init_host(self): - """Initialization for a standalone compute service.""" - # NOTE(nsokolov): based on itoumsn's implementation from libvirt driver - from nova import context + """Initialization for a standalone compute service. + + Reboots instances marked as running in DB if they is not running.""" self.driver.init_host(host=self.host) - admin_context = context.get_admin_context() - for instance in self.db.instance_get_all_by_host(admin_context, - self.host): - try: - LOG.debug(_('Checking state of %s'), instance['name']) - state = self.driver.get_info(instance['name'])['state'] - except exception.NotFound: - state = power_state.SHUTOFF - - LOG.debug(_('Current state of %(name)s is %(state)s, state in ' - 'DB is %(db_state)s.'), {'name': instance['name'], - 'state': state, - 'db_state': - instance['state']}) - - if instance['state'] == power_state.RUNNING \ - and state != power_state.RUNNING \ - and FLAGS.start_guests_on_host_boot: - LOG.debug(_('Rebooting instance %(name)s after nova-compute ' - ' restart.'), {'name': instance['name']}) - self.reboot_instance(admin_context, instance['id']) - else: - self.db.instance_set_state(admin_context, instance['id'], - state) + context = nova.context.get_admin_context() + instances = self.db.instance_get_all_by_host(context, self.host) + for instance in instances: + inst_name = instance['name'] + db_state = instance['state'] + drv_state = self._update_state(context, instance['id']) + + expect_running = db_state == power_state.RUNNING != drv_state + + LOG.debug(_('Current state of %(inst_name)s is %(drv_state)s, ' + 'state in DB is %(db_state)s.'), locals()) + + if expect_running and FLAGS.start_guests_on_host_boot: + LOG.info(_('Rebooting instance %(inst_name)s after ' + 'nova-compute restart.'), locals()) + self.reboot_instance(context, instance['id']) def _update_state(self, context, instance_id, state=None): """Update the state of an instance from the driver info.""" @@ -180,6 +173,7 @@ class ComputeManager(manager.SchedulerDependentManager): if state is None: try: + LOG.debug(_('Checking state of %s'), instance_ref['name']) info = self.driver.get_info(instance_ref['name']) except exception.NotFound: info = None |