Exemple #1
0
    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: '))
Exemple #2
0
 def test_service_disabled_on_create_based_on_flag(self):
     self.flags(enable_new_services=False)
     host = 'foo'
     binary = 'smaug-fake'
     app = service.Service.create(host=host, binary=binary)
     app.start()
     app.stop()
     ref = db.service_get(context.get_admin_context(), app.service_id)
     db.service_destroy(context.get_admin_context(), app.service_id)
     self.assertTrue(ref['disabled'])
Exemple #3
0
    def test_services_get(self):
        service_ref = db.service_create(
            self.ctxt, {
                'host': 'hosttest1',
                'binary': 'binarytest1',
                'topic': 'topictest1',
                'report_count': 0
            })

        service_get_ref = db.service_get(self.ctxt, service_ref['id'])
        self.assertEqual(service_ref['host'], 'hosttest1')
        self.assertEqual(service_get_ref['host'], 'hosttest1')