blob: 8c9efe90b8c48cfd6163912aacd2861e48c63a4a [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.
from synchronizers.new_base.pullstep import PullStep
from synchronizers.new_base.modelaccessor import model_accessor, ONUDevice, VOLTService, OLTDevice, PONPort, PONONUPort, UNIPort
from xosconfig import Config
from multistructlog import create_logger
import requests
from requests import ConnectionError
from requests.models import InvalidURL
import os, sys
sys.path.append(os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
from helpers import Helpers
log = create_logger(Config().get('logging'))
class ONUDevicePullStep(PullStep):
def __init__(self):
super(ONUDevicePullStep, self).__init__(observed_model=ONUDevice)
def pull_records(self):
log.info("pulling ONU devices from VOLTHA")
try:
self.volt_service = VOLTService.objects.all()[0]
except IndexError:
log.warn('VOLTService not found')
return
voltha_url = Helpers.get_voltha_info(self.volt_service)['url']
voltha_port = Helpers.get_voltha_info(self.volt_service)['port']
try:
r = requests.get("%s:%s/api/v1/devices" % (voltha_url, voltha_port))
if r.status_code != 200:
log.info("It was not possible to fetch devices from VOLTHA")
# keeping only ONUs
devices = [d for d in r.json()["items"] if "onu" in d["type"]]
log.debug("received devices", onus=devices)
# TODO
# [ ] delete ONUS as ONUDevice.objects.all() - updated ONUs
if r.status_code != 200:
log.info("It was not possible to fetch devices from VOLTHA")
onus_in_voltha = self.create_or_update_onus(devices)
except ConnectionError, e:
log.warn("It was not possible to connect to VOLTHA", reason=e)
return
except InvalidURL, e:
log.warn("VOLTHA url is invalid, is it configured in the VOLTService?", reason=e)
return
def create_or_update_onus(self, onus):
updated_onus = []
for onu in onus:
try:
model = ONUDevice.objects.filter(serial_number=onu["serial_number"])[0]
log.debug("ONUDevice already exists, updating it", serial_number=onu["serial_number"])
if model.enacted < model.updated:
log.info("Skipping pull on ONUDevice %s as enacted < updated" % model.serial_number, serial_number=model.serial_number, id=model.id, enacted=model.enacted, updated=model.updated)
# if we are not updating the device we still need to pull ports
self.fetch_onu_ports(model)
return
except IndexError:
model = ONUDevice()
model.serial_number = onu["serial_number"]
log.debug("ONUDevice is new, creating it", serial_number=onu["serial_number"])
# Adding feedback state to the device
model.vendor = onu["vendor"]
model.device_type = onu["type"]
model.device_id = onu["id"]
model.admin_state = onu["admin_state"]
model.oper_status = onu["oper_status"]
model.connect_status = onu["connect_status"]
model.xos_managed = False
olt = OLTDevice.objects.get(device_id=onu["parent_id"])
pon_port = PONPort.objects.get(port_no=onu["parent_port_no"], olt_device_id=olt.id)
model.pon_port = pon_port
model.pon_port_id = pon_port.id
model.save()
self.fetch_onu_ports(model)
updated_onus.append(model)
return updated_onus
def fetch_onu_ports(self, onu):
voltha_url = Helpers.get_voltha_info(self.volt_service)['url']
voltha_port = Helpers.get_voltha_info(self.volt_service)['port']
try:
r = requests.get("%s:%s/api/v1/devices/%s/ports" % (voltha_url, voltha_port, onu.device_id))
if r.status_code != 200:
log.info("It was not possible to fetch ports from VOLTHA for ONUDevice %s" % onu.device_id)
ports = r.json()['items']
log.debug("received ports", ports=ports, onu=onu.device_id)
self.create_or_update_ports(ports, onu)
except ConnectionError, e:
log.warn("It was not possible to connect to VOLTHA", reason=e)
return
except InvalidURL, e:
log.warn("VOLTHA url is invalid, is it configured in the VOLTService?", reason=e)
return
return
def create_or_update_ports(self, ports, onu):
uni_ports = [p for p in ports if "ETHERNET_UNI" in p["type"]]
pon_onu_ports = [p for p in ports if "PON_ONU" in p["type"]]
self.create_or_update_uni_port(uni_ports, onu)
self.create_or_update_pon_onu_port(pon_onu_ports, onu)
def get_onu_port_id(self, port, onu):
# find the correct port id as represented in the logical_device
logical_device_id = onu.pon_port.olt_device.of_id
voltha_url = Helpers.get_voltha_info(self.volt_service)['url']
voltha_port = Helpers.get_voltha_info(self.volt_service)['port']
try:
r = requests.get("%s:%s/api/v1/logical_devices/%s/ports" % (voltha_url, voltha_port, logical_device_id))
if r.status_code != 200:
log.info("It was not possible to fetch ports from VOLTHA for logical_device %s" % logical_device_id)
logical_ports = r.json()['items']
log.debug("logical device ports for ONUDevice %s" % onu.device_id, logical_ports=logical_ports)
ports = [p['ofp_port']['port_no'] for p in logical_ports if p['device_id'] == onu.device_id]
# log.info("Port_id for port %s on ONUDevice %s: %s" % (port['label'], onu.device_id, ports), logical_ports=logical_ports)
return int(ports[0])
except ConnectionError, e:
log.warn("It was not possible to connect to VOLTHA", reason=e)
return
except InvalidURL, e:
log.warn("VOLTHA url is invalid, is it configured in the VOLTService?", reason=e)
return
def create_or_update_uni_port(self, uni_ports, onu):
update_ports = []
for port in uni_ports:
port_no = self.get_onu_port_id(port, onu)
try:
model = UNIPort.objects.filter(port_no=port_no, onu_device_id=onu.id)[0]
log.debug("UNIPort already exists, updating it", port_no=port_no, onu_device_id=onu.id)
except IndexError:
model = UNIPort()
model.port_no = port_no
model.onu_device_id = onu.id
model.name = port["label"]
log.debug("UNIPort is new, creating it", port_no=port["port_no"], onu_device_id=onu.id)
model.admin_state = port["admin_state"]
model.oper_status = port["oper_status"]
model.save()
update_ports.append(model)
return update_ports
def create_or_update_pon_onu_port(self, pon_onu_ports, onu):
update_ports = []
for port in pon_onu_ports:
try:
model = PONONUPort.objects.filter(port_no=port["port_no"], onu_device_id=onu.id)[0]
model.xos_managed = False
log.debug("PONONUPort already exists, updating it", port_no=port["port_no"], onu_device_id=onu.id)
except IndexError:
model = PONONUPort()
model.port_no = port["port_no"]
model.onu_device_id = onu.id
model.name = port["label"]
model.xos_managed = False
log.debug("PONONUPort is new, creating it", port_no=port["port_no"], onu_device_id=onu.id)
model.admin_state = port["admin_state"]
model.oper_status = port["oper_status"]
model.save()
update_ports.append(model)
return update_ports