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###############################################################################
# Copyright (c) 2017 Koren Lev (Cisco Systems), Yaron Yogev (Cisco Systems) #
# and others #
# #
# All rights reserved. This program and the accompanying materials #
# are made available under the terms of the Apache License, Version 2.0 #
# which accompanies this distribution, and is available at #
# http://www.apache.org/licenses/LICENSE-2.0 #
###############################################################################
import time
from functools import partial
from discover.events.event_base import EventBase, EventResult
from discover.events.event_port_add import EventPortAdd
from discover.events.event_subnet_add import EventSubnetAdd
from discover.fetchers.api.api_access import ApiAccess
from discover.fetchers.api.api_fetch_regions import ApiFetchRegions
from discover.fetchers.cli.cli_fetch_host_vservice import CliFetchHostVservice
from discover.find_links_for_vservice_vnics import FindLinksForVserviceVnics
from discover.scanner import Scanner
from utils.util import decode_router_id, encode_router_id
class EventInterfaceAdd(EventBase):
def __init__(self):
super().__init__()
self.delay = 2
def add_gateway_port(self, env, project, network_name, router_doc, host_id):
fetcher = CliFetchHostVservice()
fetcher.set_env(env)
router_id = router_doc['id']
router = fetcher.get_vservice(host_id, router_id)
device_id = decode_router_id(router_id)
router_doc['gw_port_id'] = router['gw_port_id']
# add gateway port documents.
port_doc = EventSubnetAdd().add_port_document(env, router_doc['gw_port_id'], project_name=project)
mac_address = port_doc['mac_address'] if port_doc else None
# add vnic document
host = self.inv.get_by_id(env, host_id)
add_vnic_document = partial(EventPortAdd().add_vnic_document,
env=env,
host=host,
object_id=device_id,
object_type='router',
network_name=network_name,
router_name=router_doc['name'],
mac_address=mac_address)
ret = add_vnic_document()
if not ret:
time.sleep(self.delay)
self.log.info("Wait %s second, and then fetch vnic document again." % self.delay)
add_vnic_document()
def update_router(self, env, project, network_id, network_name, router_doc, host_id):
if router_doc:
if 'network' in router_doc:
if network_id not in router_doc['network']:
router_doc['network'].append(network_id)
else:
router_doc['network'] = [network_id]
# if gw_port_id is None, add gateway port first.
if not router_doc.get('gw_port_id'):
self.add_gateway_port(env, project, network_name, router_doc, host_id)
else:
# check the gateway port document, add it if document does not exist.
port = self.inv.get_by_id(env, router_doc['gw_port_id'])
if not port:
self.add_gateway_port(env, project, network_name, router_doc, host_id)
self.inv.set(router_doc)
else:
self.log.info("router document not found, aborting interface adding")
def handle(self, env, values):
interface = values['payload']['router_interface']
project = values['_context_project_name']
host_id = values["publisher_id"].replace("network.", "", 1)
port_id = interface['port_id']
subnet_id = interface['subnet_id']
router_id = encode_router_id(host_id, interface['id'])
network_document = self.inv.get_by_field(env, "network", "subnet_ids", subnet_id, get_single=True)
if not network_document:
self.log.info("network document not found, aborting interface adding")
return EventResult(result=False, retry=True)
network_name = network_document['name']
network_id = network_document['id']
# add router-interface port document.
if len(ApiAccess.regions) == 0:
fetcher = ApiFetchRegions()
fetcher.set_env(env)
fetcher.get(None)
port_doc = EventSubnetAdd().add_port_document(env, port_id, network_name=network_name)
mac_address = port_doc['mac_address'] if port_doc else None
# add vnic document
host = self.inv.get_by_id(env, host_id)
router_doc = self.inv.get_by_id(env, router_id)
add_vnic_document = partial(EventPortAdd().add_vnic_document,
env=env,
host=host,
object_id=interface['id'],
object_type='router',
network_name=network_name,
router_name=router_doc['name'],
mac_address=mac_address)
ret = add_vnic_document()
if ret is False:
# try it again to fetch vnic document, vnic will be created a little bit late before CLI fetch.
time.sleep(self.delay)
self.log.info("Wait {} seconds, and then fetch vnic document again.".format(self.delay))
add_vnic_document()
# update the router document: gw_port_id, network.
self.update_router(env, project, network_id, network_name, router_doc, host_id)
# update vservice-vnic, vnic-network,
FindLinksForVserviceVnics().add_links(search={"parent_id": router_id})
scanner = Scanner()
scanner.set_env(env)
scanner.scan_cliques()
self.log.info("Finished router-interface added.")
return EventResult(result=True,
related_object=interface['id'],
display_context=network_id)
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