from oslo_utils import importutils
from oslo_utils import timeutils
import six
from neutron.agent.common import utils
from neutron.api.rpc.callbacks import version_manager
from neutron.conf.agent.database import agents_db
from neutron.db.models import agent as agent_model
from neutron.extensions import _availability_zone_filter_lib as azfil_ext
from neutron.extensions import agent as ext_agent
from neutron.extensions import availability_zone as az_ext
from neutron.objects import agent as agent_obj
LOG = logging.getLogger(__name__)
agents_db.register_db_agents_opts()
# this is the ratio from agent_down_time to the time we use to consider
# the agents down for considering their resource versions in the
# version_manager callback
DOWNTIME_VERSIONS_RATIO = 2
RESOURCE_AGENT_TYPE_MAP = {
'network': constants.AGENT_TYPE_DHCP,
'router': constants.AGENT_TYPE_L3,
}
AZ_ATTRIBUTE_MAP = {
'name': {
'agent_key': 'availability_zone',
'convert_to': lambda x: x,
from oslo_log import log as logging
from oslo_utils import timeutils
from neutron.conf.agent import common as config
from neutron.conf.agent.database import agents_db
if os.name == 'nt':
from neutron.agent.windows import utils
else:
from neutron.agent.linux import utils
LOG = logging.getLogger(__name__)
config.register_root_helper(cfg.CONF)
agents_db.register_db_agents_opts()
INTERFACE_NAMESPACE = 'neutron.interface_drivers'
execute = utils.execute
def load_interface_driver(conf):
"""Load interface driver for agents like DHCP or L3 agent.
:param conf: driver configuration object
:raises SystemExit of 1 if driver cannot be loaded
"""
try:
