+++ /dev/null
-# -*- coding: utf-8 -*-\r
-##\r
-# Copyright 2019 Atos - CoE Telco NFV Team\r
-# All Rights Reserved.\r
-#\r
-# Contributors: Oscar Luis Peral, Atos\r
-#\r
-# Licensed under the Apache License, Version 2.0 (the "License"); you may\r
-# not use this file except in compliance with the License. You may obtain\r
-# a copy of the License at\r
-#\r
-# http://www.apache.org/licenses/LICENSE-2.0\r
-#\r
-# Unless required by applicable law or agreed to in writing, software\r
-# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT\r
-# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the\r
-# License for the specific language governing permissions and limitations\r
-# under the License.\r
-#\r
-# For those usages not covered by the Apache License, Version 2.0 please\r
-# contact with: <oscarluis.peral@atos.net>\r
-#\r
-# Neither the name of Atos nor the names of its\r
-# contributors may be used to endorse or promote products derived from\r
-# this software without specific prior written permission.\r
-#\r
-# This work has been performed in the context of Arista Telefonica OSM PoC.\r
-##\r
-\r
-from jsonrpclib import Server\r
-import socket\r
-import ssl\r
-\r
-\r
-class AristaSwitch():\r
- """\r
- Used to run switch commands through eAPI and check command output\r
- """\r
-\r
- def __init__(self, name=None, host=None, user=None, passwd=None,\r
- verify_ssl=False, unix_socket=None,\r
- logger=None):\r
-\r
- self.host = host\r
- self.user = user\r
- self.passwd = passwd\r
-\r
- self.unix_socket = unix_socket\r
- self.local_ep = Server(unix_socket) \\r
- if unix_socket is not None else None\r
-\r
- s = "https://{user}:{passwd}@{host}/command-api"\r
- self.url = s.format(user=user, passwd=passwd, host=host)\r
- self.ep = Server(self.url)\r
- self.verify_ssl = verify_ssl\r
- if not self.verify_ssl:\r
- try:\r
- ssl._create_default_https_context = ssl.\\r
- _create_unverified_context\r
- except AttributeError:\r
- # Old python versions do not verify certs by default\r
- pass\r
-\r
- self.log = logger\r
-\r
- def _multilinestr_to_list(self, multilinestr=None):\r
- """\r
- Returns a list, each item been one line of a (multi)line string\r
- Handy for running multiple lines commands through one API call\r
- """\r
- mylist = \\r
- [x.strip() for x in multilinestr.split('\n') if x.strip() != '']\r
- return mylist\r
-\r
- def run(self, cmds=None, timeout=10, local_run=False):\r
- """\r
- Runs commands through eAPI\r
-\r
- If local_run is True eAPI call will be done using local unix socket\r
- If local run is False eAPI call will be done using TCPIP\r
- """\r
- socket.setdefaulttimeout(timeout)\r
-\r
- r = None\r
-\r
- if type(cmds) is str:\r
- run_list = self._multilinestr_to_list(cmds)\r
-\r
- if type(cmds) is list:\r
- run_list = cmds\r
-\r
- if local_run:\r
- ep = self.local_ep\r
- ep_log = "local unix socket {}".format(str(self.unix_socket))\r
- else:\r
- ep = self.ep\r
- ep_log = "tcpip socket {}".format(str(self.host))\r
-\r
- self.log.debug("Calling eAPI at {} with commands {}".\r
- format(ep_log, str(run_list)))\r
-\r
- try:\r
- r = ep.runCmds(1, run_list)\r
- except Exception as e:\r
- self.log.error(str(e))\r
- raise(e)\r
-\r
- return r\r
from cvprac.cvp_client_errors import CvpLoginError, CvpSessionLogOutError, CvpApiError
from cvprac import __version__ as cvprac_version
-from osm_rosdn_arista.aristaSwitch import AristaSwitch
from osm_rosdn_arista.aristaConfigLet import AristaSDNConfigLet
from osm_rosdn_arista.aristaTask import AristaCVPTask
__API_REQUEST_TOUT = 60
__SWITCH_TAG_NAME = 'topology_type'
__SWITCH_TAG_VALUE = 'leaf'
+ __LOOPBACK_INTF = "Loopback0"
def __init__(self, wim, wim_account, config=None, logger=None):
self.allDeviceFacts = []
self.clC = AristaSDNConfigLet()
self.taskC = None
- self.__load_switches()
+ try:
+ self.__load_switches()
+ except SdnConnectorError as sc:
+ raise sc
+ except Exception as e:
+ raise SdnConnectorError(message="Unable to load switches from CVP",
+ http_code=500) from e
def __load_switches(self):
""" Retrieves the switches to configure in the following order
'ip': None,
'usr': self.__user,
'lo0': None,
- 'AS': None}
+ 'AS': None,
+ 'serialNumber': None}
if self.__config and self.__config.get('switches'):
# Not directly from json, complete one by one
config_switches = self.__config.get('switches')
for cs, cs_content in config_switches.items():
if cs not in self.switches:
- self.switches[cs] = {'passwd': self.__passwd, 'ip': None, 'usr': self.__user, 'lo0': None,'AS': None}
+ self.switches[cs] = {'passwd': self.__passwd,
+ 'ip': None,
+ 'usr': self.__user,
+ 'lo0': None,
+ 'AS': None,
+ 'serialNumber': None}
if cs_content:
self.switches[cs].update(cs_content)
'ip': device['ipAddress'],
'usr': self.__user,
'lo0': None,
- 'AS': None}
+ 'AS': None,
+ 'serialNumber': None}
self.switches[device['hostname']] = switch_data
if len(self.switches) == 0:
self.logger.error("Unable to load Leaf switches from CVP")
return
- # self.s_api are switch objects, one for each switch in self.switches,
+ # self.switches are switch objects, one for each switch in self.switches,
# used to make eAPI calls by using switch.py module
- self.s_api = {}
for s in self.switches:
- if not self.switches[s].get('ip'):
- for device in self.allDeviceFacts:
- if device['hostname'] == s:
+ for device in self.allDeviceFacts:
+ if device['hostname'] == s:
+ if not self.switches[s].get('ip'):
self.switches[s]['ip'] = device['ipAddress']
- if self.is_valid_destination(self.switches[s].get('ip')):
- self.s_api[s] = AristaSwitch(host=self.switches[s]['ip'],
- user=self.switches[s]['usr'],
- passwd=self.switches[s]['passwd'],
- logger=self.logger)
+ self.switches[s]['serialNumber'] = device['serialNumber']
+ break
+
# Each switch has a different loopback address,
# so it's a different configLet
if not self.switches[s].get('lo0'):
- inf = self.__get_switch_interface_ip(s, 'Loopback0')
- self.switches[s]["lo0"] = inf.split('/')[0]
+ self.switches[s]["lo0"] = self.__get_interface_ip(self.switches[s]['serialNumber'], self.__LOOPBACK_INTF)
if not self.switches[s].get('AS'):
- self.switches[s]["AS"] = self.__get_switch_asn(s)
+ self.switches[s]["AS"] = self.__get_device_ASN(self.switches[s]['serialNumber'])
self.logger.debug("Using Arista Leaf switches: {}".format(
self.delete_keys_from_dict(self.switches, ('passwd',))))
- def __lldp_find_neighbor(self, tlv_name=None, tlv_value=None):
- """Returns a list of dicts where a mathing LLDP neighbor has been found
- Each dict has:
- switch -> switch name
- interface -> switch interface
- """
- r = []
- lldp_info = {}
-
- # Get LLDP info from each switch
- for s in self.s_api:
- result = self.s_api[s].run("show lldp neighbors detail")
- lldp_info[s] = result[0]["lldpNeighbors"]
- # Look LLDP match on each interface
- # Note that eAPI returns [] for an interface with no LLDP neighbors
- # in the corresponding interface lldpNeighborInfo field
- for interface in lldp_info[s]:
- if lldp_info[s][interface]["lldpNeighborInfo"]:
- lldp_nInf = lldp_info[s][interface]["lldpNeighborInfo"][0]
- if tlv_name in lldp_nInf:
- if lldp_nInf[tlv_name] == tlv_value:
- r.append({"name": s, "interface": interface})
-
- return r
-
- def __get_switch_asn(self, switch):
- """Returns switch ASN in default VRF
- """
- bgp_info = self.s_api[switch].run("show ip bgp summary")[0]
- return(bgp_info["vrfs"]["default"]["asn"])
-
- def __get_switch_po(self, switch, interface=None):
- """Returns Port-Channels for a given interface
- If interface is None returns a list with all PO interfaces
- Note that if specified, interface should be exact name
- for instance: Ethernet3 and not e3 eth3 and so on
- """
- po_inf = self.s_api[switch].run("show port-channel")[0]["portChannels"]
-
- if interface:
- r = [x for x in po_inf if interface in po_inf[x]["activePorts"]]
- else:
- r = po_inf
-
- return r
-
- def __get_switch_interface_ip(self, switch, interface=None):
- """Returns interface primary ip
- interface should be exact name
- for instance: Ethernet3 and not ethernet 3, e3 eth3 and so on
- """
- cmd = "show ip interface {}".format(interface)
- ip_info = self.s_api[switch].run(cmd)[0]["interfaces"][interface]
-
- ip = ip_info["interfaceAddress"]["primaryIp"]["address"]
- mask = ip_info["interfaceAddress"]["primaryIp"]["maskLen"]
-
- return "{}/{}".format(ip, mask)
-
def __check_service(self, service_type, connection_points,
check_vlan=True, check_num_cp=True, kwargs=None):
""" Reviews the connection points elements looking for semantic errors in the incoming data
t_isFailed = False
t_isPending = False
failed_switches = []
- for s in self.s_api:
+ for s in self.switches:
if (len(cls_perSw[s]) > 0):
for cl in cls_perSw[s]:
# Fix 1030 SDN-ARISTA Key error note when deploy a NS
cls_perSw = {}
cls_cp = {}
cl_bgp = {}
- for s in self.s_api:
+ for s in self.switches:
cls_perSw[s] = []
cls_cp[s] = []
vlan_processed = False
encap_type = cp.get(self.__ENCAPSULATION_TYPE_PARAM)
switch_id = encap_info.get(self.__SW_ID_PARAM)
- if not switch_id:
- point_mac = encap_info.get(self.__MAC_PARAM)
- switches = self.__lldp_find_neighbor("chassisId", point_mac)
- self.logger.debug("Found connection point for MAC {}: {}".
- format(point_mac, switches))
- else:
- interface = encap_info.get(self.__SW_PORT_PARAM)
- switches = [{'name': switch_id, 'interface': interface}]
-
- if len(switches) == 0:
- raise SdnConnectorError(message="Connection point MAC address {} not found in the switches".format(point_mac),
- http_code=406)
+ interface = encap_info.get(self.__SW_PORT_PARAM)
+ switches = [{'name': switch_id, 'interface': interface}]
# remove those connections that are equal. This happens when several sriovs are located in the same
# compute node interface, that is, in the same switch and interface
continue
processed_connection_points += switches
for switch in switches:
- if not switch_id:
- port_channel = self.__get_switch_po(switch['name'],
- switch['interface'])
- if len(port_channel) > 0:
- interface = port_channel[0]
- else:
- interface = switch['interface']
if not interface:
raise SdnConnectorError(message="Connection point switch port empty for switch_dpid {}".format(switch_id),
http_code=406)
raise SdnConnectorError(message=SdnError.UNSUPPORTED_FEATURE,
http_code=406)
- for s in self.s_api:
+ for s in self.switches:
# for cl in cp_configLets:
cl_name = (self.__OSM_PREFIX +
s +
allLeafConfigured = {}
allLeafModified = {}
- for s in self.s_api:
+ for s in self.switches:
allLeafConfigured[s] = False
allLeafModified[s] = False
cl_toDelete = []
- for s in self.s_api:
+ for s in self.switches:
toDelete_in_cvp = False
if not (cls_perSw.get(s) and cls_perSw[s][0].get('config')):
# when there is no configuration, means that there is no interface
allLeafModified):
""" Removes the given configLet from the devices and then remove the configLets
"""
- for s in self.s_api:
+ for s in self.switches:
if allLeafModified[s]:
try:
res = self.__device_modify(
except Exception as e:
self.logger.error('Error removing configlets from device {}: {}'.format(s, e))
pass
- for s in self.s_api:
+ for s in self.switches:
if allLeafConfigured[s]:
self.__configlet_modify(cls_perSw[s], delete=True)
return [changed, data]
def __get_configletsDevices(self, configlets):
- for s in self.s_api:
+ for s in self.switches:
configlet = configlets[s]
# Add applied Devices
if len(configlet) > 0:
def __get_serviceData(self, service_uuid, service_type, vlan_id, conn_info=None):
cls_perSw = {}
- for s in self.s_api:
+ for s in self.switches:
cls_perSw[s] = []
if not conn_info:
srv_cls = self.__get_serviceConfigLets(service_uuid,
service_type,
vlan_id)
self.__get_configletsDevices(srv_cls)
- for s in self.s_api:
+ for s in self.switches:
cl = srv_cls[s]
if len(cl) > 0:
for dev in cl['devices']:
c_info)
allLeafConfigured = {}
allLeafModified = {}
- for s in self.s_api:
+ for s in self.switches:
allLeafConfigured[s] = True
allLeafModified[s] = True
found_in_cvp = False
- for s in self.s_api:
+ for s in self.switches:
if cls_perSw[s]:
found_in_cvp = True
if found_in_cvp:
connectivity service
"""
srv_cls = {}
- for s in self.s_api:
+ for s in self.switches:
srv_cls[s] = []
found_in_cvp = False
name = (self.__OSM_PREFIX +
self.cvp_tags.append(elem)
self.logger.debug('Available devices with tag_name {} - value {}: {} '.format(name, value, self.cvp_tags))
+ def __get_interface_ip(self, device_id, interface):
+ ip = None
+ url = '/api/v1/rest/{}/Sysdb/ip/config/ipIntfConfig/{}/'.format(device_id, interface)
+ self.logger.debug('get_interface_ip: URL {}'.format(url))
+ try:
+ data = self.client.get(url, timeout=self.__API_REQUEST_TOUT)
+ return data['notifications'][0]['updates']['addrWithMask']['value'].split('/')[0]
+ except Exception:
+ raise SdnConnectorError("Invalid response from url {}: data {}".format(url, data))
+
+ def __get_device_ASN(self, device_id):
+ url = '/api/v1/rest/{}/Sysdb/routing/bgp/config/'.format(device_id)
+ self.logger.debug('get_device_ASN: URL {}'.format(url))
+ try:
+ data = self.client.get(url, timeout=self.__API_REQUEST_TOUT)
+ return data['notifications'][0]['updates']['asNumber']['value']['value']['int']
+ except Exception:
+ raise SdnConnectorError("Invalid response from url {}: data {}".format(url, data))
+
def is_valid_destination(self, url):
""" Check that the provided WIM URL is correct
"""
return True
def delete_keys_from_dict(self, dict_del, lst_keys):
+ if dict_del is None:
+ return dict_del
dict_copy = {k: v for k, v in dict_del.items() if k not in lst_keys}
for k, v in dict_copy.items():
if isinstance(v, dict):
projects / osm / RO.git / commitdiff