def report_state(self):
"""Update the state of this service in the datastore."""
if not self.manager.is_working():
# NOTE(dulek): If manager reports a problem we're not sending
# heartbeats - to indicate that service is actually down.
LOG.error(
'Manager for service %(binary)s %(host)s is '
'reporting problems, not sending heartbeat. '
'Service will appear "down".', {
'binary': self.binary,
'host': self.host
})
return
ctxt = context.get_admin_context()
state_catalog = {}
try:
try:
service_ref = db.service_get(ctxt, self.service_id)
except exception.NotFound:
LOG.debug('The service database object disappeared, '
'recreating it.')
self._create_service_ref(ctxt)
service_ref = db.service_get(ctxt, self.service_id)
state_catalog['report_count'] = service_ref['report_count'] + 1
db.service_update(ctxt, self.service_id, state_catalog)
# TODO(termie): make this pattern be more elegant.
if getattr(self, 'model_disconnected', False):
self.model_disconnected = False
LOG.error('Recovered model server connection!')
except db_exc.DBConnectionError:
if not getattr(self, 'model_disconnected', False):
self.model_disconnected = True
LOG.exception('model server went away')
# NOTE(jsbryant) Other DB errors can happen in HA configurations.
# such errors shouldn't kill this thread, so we handle them here.
except db_exc.DBError:
if not getattr(self, 'model_disconnected', False):
self.model_disconnected = True
LOG.exception('DBError encountered: ')
except Exception:
if not getattr(self, 'model_disconnected', False):
self.model_disconnected = True
LOG.exception('Exception encountered: ')
def report_state(self):
"""Update the state of this service in the datastore."""
if not self.manager.is_working():
# NOTE(dulek): If manager reports a problem we're not sending
# heartbeats - to indicate that service is actually down.
LOG.error(_LE('Manager for service %(binary)s %(host)s is '
'reporting problems, not sending heartbeat. '
'Service will appear "down".'),
{'binary': self.binary,
'host': self.host})
return
ctxt = context.get_admin_context()
state_catalog = {}
try:
try:
service_ref = db.service_get(ctxt, self.service_id)
except exception.NotFound:
LOG.debug('The service database object disappeared, '
'recreating it.')
self._create_service_ref(ctxt)
service_ref = db.service_get(ctxt, self.service_id)
state_catalog['report_count'] = service_ref['report_count'] + 1
db.service_update(ctxt,
self.service_id, state_catalog)
# TODO(termie): make this pattern be more elegant.
if getattr(self, 'model_disconnected', False):
self.model_disconnected = False
LOG.error(_LE('Recovered model server connection!'))
except db_exc.DBConnectionError:
if not getattr(self, 'model_disconnected', False):
self.model_disconnected = True
LOG.exception(_LE('model server went away'))
# NOTE(jsbryant) Other DB errors can happen in HA configurations.
# such errors shouldn't kill this thread, so we handle them here.
except db_exc.DBError:
if not getattr(self, 'model_disconnected', False):
self.model_disconnected = True
LOG.exception(_LE('DBError encountered: '))
except Exception:
if not getattr(self, 'model_disconnected', False):
self.model_disconnected = True
LOG.exception(_LE('Exception encountered: '))
def test_service_update(self):
service_ref = db.service_create(self.ctxt,
{'host': 'hosttest3',
'binary': 'binarytest3',
'topic': 'topictest3',
'report_count': 0})
service_id = service_ref['id']
service_update_ref = db.service_update(self.ctxt, service_id,
{'host': 'hosttest4',
'binary': 'binarytest4',
'topic': 'topictest4',
'report_count': 0})
self.assertEqual(service_ref['host'], 'hosttest3')
self.assertEqual(service_update_ref['host'], 'hosttest4')
def test_service_update(self):
service_ref = db.service_create(
self.ctxt, {
'host': 'hosttest3',
'binary': 'binarytest3',
'topic': 'topictest3',
'report_count': 0
})
service_id = service_ref['id']
service_update_ref = db.service_update(
self.ctxt, service_id, {
'host': 'hosttest4',
'binary': 'binarytest4',
'topic': 'topictest4',
'report_count': 0
})
self.assertEqual('hosttest3', service_ref['host'])
self.assertEqual('hosttest4', service_update_ref['host'])
def save(self):
updates = self.karbor_obj_get_changes()
if updates:
db.service_update(self._context, self.id, updates)
self.obj_reset_changes()
def save(self):
updates = self.karbor_obj_get_changes()
if updates:
db.service_update(self._context, self.id, updates)
self.obj_reset_changes()
