import socket

from oslo.config import cfg

from bricks.common import context
from bricks.openstack.common import log
from bricks.openstack.common import periodic_task
from bricks.openstack.common import rpc
from bricks.openstack.common.rpc import service as rpc_service


service_opts = [
    cfg.IntOpt('periodic_interval',
               default=5,
               help='Seconds between running periodic tasks.'),
    cfg.StrOpt('host',
               default=socket.getfqdn(),
               help='Name of this node.  This can be an opaque identifier.  '
               'It is not necessarily a hostname, FQDN, or IP address. '
               'However, the node name must be valid within '
               'an AMQP key, and if using ZeroMQ, a valid '
               'hostname, FQDN, or IP address.'),
]

cfg.CONF.register_opts(service_opts)


class PeriodicService(rpc_service.Service, periodic_task.PeriodicTasks):

    def start(self):
        super(PeriodicService, self).start()
        admin_context = context.RequestContext('admin', 'admin', is_admin=True)
        self.tg.add_timer(cfg.CONF.periodic_interval,
                          self.manager.periodic_tasks,
                          context=admin_context)


def prepare_service(argv=[]):
    rpc.set_defaults(control_exchange='bricks')
    cfg.set_defaults(log.log_opts,
                     default_log_levels=['amqplib=WARN',
                                         'qpid.messaging=INFO',
                                         'sqlalchemy=WARN',
                                         'keystoneclient=INFO',
                                         'stevedore=INFO',
                                         'eventlet.wsgi.server=WARN'
                                         ])
    cfg.CONF(argv[1:], project='bricks')
    log.setup('bricks')
