blob: 9aa2cb7e59e0e71b87eda2c9a30c82a9abe17710 [file] [log] [blame]
# Copyright 2017-present Open Networking Foundation
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
import os
import requests
import socket
import sys
import base64
from services.vtn.vtnnetport import VTNNetwork, VTNPort
from synchronizers.new_base.syncstep import SyncStep
from synchronizers.new_base.modelaccessor import *
from xos.logger import Logger, logging
from requests.auth import HTTPBasicAuth
logger = Logger(level=logging.INFO)
# XXX should save and load this
glo_saved_networks = {}
glo_saved_ports = {}
class SyncVTNService(SyncStep):
provides=[Service]
observes=Service
requested_interval=0
def __init__(self, **args):
SyncStep.__init__(self, **args)
def get_vtn_onos_service(self):
vtn_service = ONOSService.objects.filter(name="ONOS_CORD") # XXX fixme - harcoded
if not vtn_service:
raise "No VTN Onos Service"
return vtn_service[0]
def get_vtn_auth(self):
return HTTPBasicAuth('karaf', 'karaf') # XXX fixme - hardcoded auth
def get_vtn_addr(self):
vtn_service = self.get_vtn_onos_service()
if vtn_service.rest_hostname:
return vtn_service.rest_hostname
# code below this point is for ONOS running in a slice, and is
# probably outdated
if not vtn_service.slices.exists():
raise "VTN Service has no slices"
vtn_slice = vtn_service.slices.all()[0]
if not vtn_slice.instances.exists():
raise "VTN Slice has no instances"
vtn_instance = vtn_slice.instances.all()[0]
return vtn_instance.node.name
def get_vtn_port(self):
vtn_service = self.get_vtn_onos_service()
if vtn_service.rest_port:
return vtn_service.rest_port
# code below this point is for ONOS running in a slice, and is
# probably outdated
raise Exception("Must set rest_port")
def get_method(self, url, id):
url_with_id = "%s/%s" % (url, id)
r = requests.get(url_with_id, auth=self.get_vtn_auth())
if (r.status_code==200):
method="PUT"
url = url_with_id
req_func = requests.put
exists=True
else:
method="POST"
req_func = requests.post
exists=False
return (exists, url, method, req_func)
def sync_service_networks(self):
valid_ids = []
for network in Network.objects.all():
network = VTNNetwork(network)
if not network.id:
continue
if (network.type=="PRIVATE") and (not network.providerNetworks):
logger.info("Skipping network %s because it has no relevant state" % network.id)
continue
valid_ids.append(network.id)
if (glo_saved_networks.get(network.id, None) != network.to_dict()):
(exists, url, method, req_func) = self.get_method("http://" + self.get_vtn_addr() + ":" + str(self.get_vtn_port()) + "/onos/cordvtn/serviceNetworks", network.id)
logger.info("%sing VTN API for network %s" % (method, network.id))
logger.info("URL: %s" % url)
# clean the providerNetworks list
providerNetworks = [{"id": x["id"], "bidirectional": x["bidirectional"]} for x in network.providerNetworks]
data = {"ServiceNetwork": {"id": network.id,
"type": network.type,
"providerNetworks": providerNetworks} }
logger.info("DATA: %s" % str(data))
r=req_func(url, json=data, auth=self.get_vtn_auth() )
if (r.status_code in [200,201]):
glo_saved_networks[network.id] = network.to_dict()
else:
logger.error("Received error from vtn service (%d)" % r.status_code)
for network_id in glo_saved_networks.keys():
if network_id not in valid_ids:
logger.info("DELETEing VTN API for network %s" % network_id)
url = "http://" + self.get_vtn_addr() + ":" + str(self.get_vtn_port()) + "/onos/cordvtn/serviceNetworks/%s" % network_id
logger.info("URL: %s" % url)
r = requests.delete(url, auth=self.get_vtn_auth() )
if (r.status_code in [200,204]):
del glo_saved_networks[network_id]
else:
logger.error("Received error from vtn service (%d)" % r.status_code)
def sync_service_ports(self):
valid_ids = []
for port in Port.objects.all():
port = VTNPort(port)
if not port.id:
continue
if (not port.vlan_id) and (not port.floating_address_pairs):
logger.info("Skipping port %s because it has no relevant state" % port.id)
continue
valid_ids.append(port.id)
if (glo_saved_ports.get(port.id, None) != port.to_dict()):
(exists, url, method, req_func) = self.get_method("http://" + self.get_vtn_addr() + ":" + str(self.get_vtn_port()) + "/onos/cordvtn/servicePorts", port.id)
logger.info("%sing VTN API for port %s" % (method, port.id))
logger.info("URL: %s" % url)
data = {"ServicePort": {"id": port.id,
"vlan_id": port.vlan_id,
"floating_address_pairs": port.floating_address_pairs} }
logger.info("DATA: %s" % str(data))
r=req_func(url, json=data, auth=self.get_vtn_auth() )
if (r.status_code in [200,201]):
glo_saved_ports[port.id] = port.to_dict()
else:
logger.error("Received error from vtn service (%d)" % r.status_code)
for port_id in glo_saved_ports.keys():
if port_id not in valid_ids:
logger.info("DELETEing VTN API for port %s" % port_id)
url = "http://" + self.get_vtn_addr() + ":" + str(self.get_vtn_port()) + "/onos/cordvtn/servicePorts/%s" % port_id
logger.info("URL: %s" % url)
r = requests.delete(url, auth=self.get_vtn_auth() )
if (r.status_code in [200,204]):
del glo_saved_ports[port_id]
else:
logger.error("Received error from vtn service (%d)" % r.status_code)
def call(self, **args):
global glo_saved_networks
global glo_saved_ports
vtn_service = VTNService.objects.all()
if not vtn_service:
raise Exception("No VTN Service")
vtn_service = vtn_service[0]
if (vtn_service.resync):
# If the VTN app requested a full resync, clear our saved network
# so we will resync everything, then reset the 'resync' flag
glo_saved_networks = {}
glo_saved_ports = {}
vtn_service.resync = False
vtn_service.save()
if vtn_service.vtnAPIVersion>=2:
# version 2 means use new API
logger.info("Using New API")
self.sync_service_networks()
self.sync_service_ports()
else:
raise Exception("VTN API Version 1 is no longer supported by VTN Synchronizer")