RO-SDN-arista_cloudvision/osm_rosdn_arista_cloudvision/aristaConfigLet.py

   1 # -*- coding: utf-8 -*-
   2 ##
   3 # Copyright 2019 Atos - CoE Telco NFV Team
   4 # All Rights Reserved.
   5 #
   6 # Contributors: Oscar Luis Peral, Atos
   7 #
   8 # Licensed under the Apache License, Version 2.0 (the "License"); you may
   9 # not use this file except in compliance with the License. You may obtain
  10 # a copy of the License at
  11 #
  12 #         http://www.apache.org/licenses/LICENSE-2.0
  13 #
  14 # Unless required by applicable law or agreed to in writing, software
  15 # distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
  16 # WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
  17 # License for the specific language governing permissions and limitations
  18 # under the License.
  19 #
  20 # For those usages not covered by the Apache License, Version 2.0 please
  21 # contact with: <oscarluis.peral@atos.net>
  22 #
  23 # Neither the name of Atos nor the names of its
  24 # contributors may be used to endorse or promote products derived from
  25 # this software without specific prior written permission.
  26 #
  27 # This work has been performed in the context of Arista Telefonica OSM PoC.
  28 ##
  29
  30
  31 class AristaSDNConfigLet:
  32     _VLAN = "VLAN"
  33     _VXLAN = "VXLAN"
  34     _VLAN_MLAG = "VLAN-MLAG"
  35     _VXLAN_MLAG = "VXLAN-MLAG"
  36     topology = _VXLAN_MLAG
  37
  38     def __init__(self, topology=_VXLAN_MLAG):
  39         self.topology = topology
  40
  41     _basic_int = """
  42 interface {interface}
  43    !! service: {uuid}
  44    switchport
  45    switchport mode {type}
  46    switchport {switchport_def}
  47 !
  48 """
  49     _int_SRIOV = "trunk group {service}{vlan_id}"
  50     _int_PASSTROUGH = "access vlan {vlan_id}"
  51
  52     def _get_interface(self, uuid, interface, vlan_id, s_type, index, i_type):
  53         if i_type == "trunk":
  54             switchport_def = self._int_SRIOV.format(service=s_type, vlan_id=vlan_id)
  55         else:
  56             switchport_def = self._int_PASSTROUGH.format(vlan_id=vlan_id)
  57
  58         return self._basic_int.format(
  59             uuid=uuid, interface=interface, type=i_type, switchport_def=switchport_def
  60         )
  61
  62     def getElan_sriov(self, uuid, interface, vlan_id, index):
  63         return self._get_interface(uuid, interface, vlan_id, "ELAN", index, "trunk")
  64
  65     def getEline_sriov(self, uuid, interface, vlan_id, index):
  66         return self._get_interface(uuid, interface, vlan_id, "ELINE", index, "trunk")
  67
  68     def getElan_passthrough(self, uuid, interface, vlan_id, index):
  69         return self._get_interface(
  70             uuid, interface, vlan_id, "ELAN", index, "dot1q-tunnel"
  71         )
  72
  73     def getEline_passthrough(self, uuid, interface, vlan_id, index):
  74         return self._get_interface(
  75             uuid, interface, vlan_id, "ELINE", index, "dot1q-tunnel"
  76         )
  77
  78     _basic_vlan = """
  79 vlan {vlan}
  80    !! service: {service} {vlan} {uuid}
  81    name {service}{vlan}
  82    trunk group {service}{vlan}
  83 """
  84     _basic_mlag = """   trunk group MLAGPEER
  85 """
  86     _basic_vxlan = """interface VXLAN1
  87    VXLAN vlan {vlan} vni {vni}
  88 """
  89     _basic_end = "!"
  90
  91     _configLet_VLAN = _basic_vlan + _basic_end
  92     _configLet_VXLAN = _basic_vlan + _basic_vxlan + _basic_end
  93     _configLet_VLAN_MLAG = _basic_vlan + _basic_mlag + _basic_end
  94     _configLet_VXLAN_MLAG = _basic_vlan + _basic_mlag + _basic_vxlan + _basic_end
  95
  96     def _get_vlan(self, uuid, vlan_id, vni_id, s_type):
  97         if self.topology == self._VLAN:
  98             return self._configLet_VLAN.format(service=s_type, vlan=vlan_id, uuid=uuid)
  99
 100         if self.topology == self._VLAN_MLAG:
 101             return self._configLet_VLAN_MLAG.format(
 102                 service=s_type, vlan=vlan_id, uuid=uuid
 103             )
 104
 105         if self.topology == self._VXLAN:
 106             return self._configLet_VXLAN.format(
 107                 service=s_type, vlan=vlan_id, uuid=uuid, vni=vni_id
 108             )
 109
 110         if self.topology == self._VXLAN_MLAG:
 111             return self._configLet_VXLAN_MLAG.format(
 112                 service=s_type, vlan=vlan_id, uuid=uuid, vni=vni_id
 113             )
 114
 115     def getElan_vlan(self, uuid, vlan_id, vni_id):
 116         return self._get_vlan(uuid, vlan_id, vni_id, "ELAN")
 117
 118     def getEline_vlan(self, uuid, vlan_id, vni_id):
 119         return self._get_vlan(uuid, vlan_id, vni_id, "ELINE")
 120
 121     _configLet_BGP = """
 122 router bgp {bgp}
 123     vlan {vlan}
 124     !! service: {uuid}
 125         rd {loopback}:{vni}
 126         route-target both {vni}:{vni}
 127         redistribute learned
 128 !
 129 """
 130
 131     def _get_bgp(self, uuid, vlan_id, vni_id, loopback0, bgp, s_type):
 132         if self.topology == self._VXLAN or self.topology == self._VXLAN_MLAG:
 133             return self._configLet_BGP.format(
 134                 uuid=uuid, bgp=bgp, vlan=vlan_id, loopback=loopback0, vni=vni_id
 135             )
 136
 137     def getElan_bgp(self, uuid, vlan_id, vni_id, loopback0, bgp):
 138         return self._get_bgp(uuid, vlan_id, vni_id, loopback0, bgp, "ELAN")
 139
 140     def getEline_bgp(self, uuid, vlan_id, vni_id, loopback0, bgp):
 141         return self._get_bgp(uuid, vlan_id, vni_id, loopback0, bgp, "ELINE")