def __init__(self, hostconf_uri=None, db_plugin=None):
"""Initialization."""
LOG.debug("Initializing ODL Port Binding Controller")
if not hostconf_uri:
# extract host/port from ODL URL and append hostconf_uri path
hostconf_uri = self._make_hostconf_uri(
cfg.CONF.ml2_odl.url, cfg.CONF.ml2_odl.odl_hostconf_uri)
LOG.debug("ODLPORTBINDING hostconfigs URI: %s", hostconf_uri)
# TODO(mzmalick): disable port-binding for ODL lightweight testing
self.odl_rest_client = odl_client.OpenDaylightRestClient.create_client(
url=hostconf_uri)
# Neutron DB plugin instance
self.agents_db = db_plugin
self._known_agents = set()
if cfg.CONF.ml2_odl.enable_websocket_pseudo_agentdb:
# Update hostconfig once for the configurations already present
self._get_and_update_hostconfigs()
odl_url = utils.get_odl_url()
self._start_websocket(odl_url)
else:
# Start polling ODL restconf using maintenance thread.
# default: 30s (should be <= agent keep-alive poll interval)
self._start_maintenance_thread(
cfg.CONF.ml2_odl.restconf_poll_interval)
def __init__(self, worker):
super(PseudoAgentDBBindingWebSocket, self).__init__(worker)
# Update hostconfig once for the configurations already present
self._get_and_update_hostconfigs()
odl_url = utils.get_odl_url()
self._start_websocket(odl_url)
def _pull_missed_statuses(self):
LOG.debug("starting to pull pending statuses...")
plugin = directory.get_plugin()
filter = {
"status": [n_const.PORT_STATUS_DOWN],
"vif_type": ["unbound"]
}
ports = plugin.get_ports(context.get_admin_context(), filter)
if not ports:
LOG.debug("no down ports found, done")
return
port_fetch_url = utils.get_odl_url(self.PORT_PATH)
client = odl_client.OpenDaylightRestClient.create_client(
url=port_fetch_url)
for port in ports:
id = port["id"]
response = client.get(id)
if response.status_code != 200:
LOG.warning("Non-200 response code %s", str(response))
continue
odl_status = response.json()['port'][0]['status']
if odl_status == n_const.PORT_STATUS_ACTIVE:
# for now we only support transition from DOWN->ACTIVE
# See https://bugs.launchpad.net/networking-odl/+bug/1686023
provisioning_blocks.provisioning_complete(
context.get_admin_context(), id, resources.PORT,
provisioning_blocks.L2_AGENT_ENTITY)
LOG.debug("done pulling pending statuses")
def __init__(self, worker):
super(PseudoAgentDBBindingWebSocket, self).__init__(worker)
# Update hostconfig once for the configurations already present
self._get_and_update_hostconfigs()
odl_url = utils.get_odl_url()
self._start_websocket(odl_url)
def _fetch_features():
'''Fetch the list of features declared by ODL.
This function should be called once during initialization
'''
path = 'restconf/operational/neutron:neutron/neutron:features'
features_url = utils.get_odl_url(path)
client = odl_client.OpenDaylightRestClient.create_client(features_url)
try:
response = client.request('get')
except exceptions.ConnectionError:
LOG.error("Error connecting to ODL to retrieve features",
exc_info=True)
return None
if response.status_code == 400:
LOG.debug('ODL does not support feature negotiation')
return set()
if response.status_code == 404:
LOG.debug('No features configured')
return set()
if response.status_code != 200:
LOG.warning('error fetching features: %i',
response.status_code)
return None
return _load_features(response.json())
def _fetch_features():
'''Fetch the list of features declared by ODL.
This function should be called once during initialization
'''
path = 'restconf/operational/neutron:neutron/neutron:features'
features_url = utils.get_odl_url(path)
client = odl_client.OpenDaylightRestClient.create_client(features_url)
try:
response = client.request('get')
except exceptions.ConnectionError:
LOG.error("Error connecting to ODL to retrieve features",
exc_info=True)
return None
if response.status_code == 400:
LOG.debug('ODL does not support feature negotiation')
return copy.copy(EMPTY_FEATURES)
if response.status_code == 404:
LOG.debug('No features configured')
return copy.copy(EMPTY_FEATURES)
if response.status_code != 200:
LOG.warning('error fetching features: %i',
response.status_code)
return None
return _load_features(response.json())
def _pull_missed_statuses(self):
LOG.debug("starting to pull pending statuses...")
plugin = directory.get_plugin()
filter = {"status": [n_const.PORT_STATUS_DOWN],
"vif_type": ["unbound"]}
ports = plugin.get_ports(context.get_admin_context(), filter)
if not ports:
LOG.debug("no down ports found, done")
return
port_fetch_url = utils.get_odl_url(self.PORT_PATH)
client = odl_client.OpenDaylightRestClient.create_client(
url=port_fetch_url)
for port in ports:
port_id = port["id"]
response = client.get(port_id)
if response.status_code != 200:
LOG.warning("Non-200 response code %s", str(response))
continue
odl_status = response.json()['port'][0]['status']
if odl_status == n_const.PORT_STATUS_ACTIVE:
# for now we only support transition from DOWN->ACTIVE
# See https://bugs.launchpad.net/networking-odl/+bug/1686023
provisioning_blocks.provisioning_complete(
context.get_admin_context(),
port_id, resources.PORT,
provisioning_blocks.L2_AGENT_ENTITY)
LOG.debug("done pulling pending statuses")
def test_get_odl_url(self):
"""test make uri."""
self.cfg.config(url='http://localhost:8080/controller/nb/v2/neutron',
group='ml2_odl')
test_path = '/restconf/neutron:neutron/hostconfigs'
expected = "http://localhost:8080/restconf/neutron:neutron/hostconfigs"
test_uri = utils.get_odl_url(path=test_path)
self.assertEqual(expected, test_uri)
def test_get_odl_url(self):
"""test make uri."""
self.cfg.config(url='http://localhost:8080/controller/nb/v2/neutron',
group='ml2_odl')
test_path = '/restconf/neutron:neutron/hostconfigs'
expected = "http://localhost:8080/restconf/neutron:neutron/hostconfigs"
test_uri = utils.get_odl_url(path=test_path)
self.assertEqual(expected, test_uri)
def test_get_odl_url(self):
"""test make uri."""
cfg.CONF.set_override(
'url', 'http://localhost:8080'
'/controller/nb/v2/neutron', 'ml2_odl')
test_path = '/restconf/neutron:neutron/hostconfigs'
expected = "http://localhost:8080/restconf/neutron:neutron/hostconfigs"
test_uri = utils.get_odl_url(path=test_path)
self.assertEqual(expected, test_uri)
def __init__(self, worker):
super(PseudoAgentDBBindingTaskBase, self).__init__()
self._worker = worker
# extract host/port from ODL URL and append hostconf_uri path
hostconf_uri = utils.get_odl_url(cfg.CONF.ml2_odl.odl_hostconf_uri)
LOG.debug("ODLPORTBINDING hostconfigs URI: %s", hostconf_uri)
# TODO(mzmalick): disable port-binding for ODL lightweight testing
self.odl_rest_client = odl_client.OpenDaylightRestClient.create_client(
url=hostconf_uri)
def __init__(self, worker):
super(PseudoAgentDBBindingTaskBase, self).__init__()
self._worker = worker
# extract host/port from ODL URL and append hostconf_uri path
hostconf_uri = utils.get_odl_url(cfg.CONF.ml2_odl.odl_hostconf_uri)
LOG.debug("ODLPORTBINDING hostconfigs URI: %s", hostconf_uri)
# TODO(mzmalick): disable port-binding for ODL lightweight testing
self.odl_rest_client = odl_client.OpenDaylightRestClient.create_client(
url=hostconf_uri)
def run_websocket(self):
# OpenDaylight path to recieve websocket notifications on
neutron_ports_path = "/neutron:neutron/neutron:ports"
self.path_uri = utils.get_odl_url()
self.odl_websocket_client = (
odl_ws_client.OpenDaylightWebsocketClient.odl_create_websocket(
self.path_uri, neutron_ports_path,
odl_ws_client.ODL_OPERATIONAL_DATASTORE,
odl_ws_client.ODL_NOTIFICATION_SCOPE_SUBTREE,
self._process_websocket_recv,
self._process_websocket_reconnect, True))
def run_websocket(self):
# OpenDaylight path to recieve websocket notifications on
neutron_ports_path = "/neutron:neutron/neutron:ports"
self.path_uri = utils.get_odl_url()
self.odl_websocket_client = (
odl_ws_client.OpenDaylightWebsocketClient.odl_create_websocket(
self.path_uri, neutron_ports_path,
odl_ws_client.ODL_OPERATIONAL_DATASTORE,
odl_ws_client.ODL_NOTIFICATION_SCOPE_SUBTREE,
self._process_websocket_recv,
self._process_websocket_reconnect,
True
))
