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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 #
###############################################################################
from discover.fetchers.cli.cli_access import CliAccess
from discover.fetchers.db.db_access import DbAccess
from utils.inventory_mgr import InventoryMgr
class CliFetchOtepsLxb(CliAccess, DbAccess):
def __init__(self):
super().__init__()
self.inv = InventoryMgr()
def get(self, parent_id):
vconnector = self.inv.get_by_id(self.get_env(), parent_id)
if not vconnector:
return []
configurations = vconnector['configurations']
tunneling_ip = configurations['tunneling_ip']
tunnel_types_used = configurations['tunnel_types']
if not tunnel_types_used:
return []
tunnel_type = tunnel_types_used[0]
if not tunnel_type:
return []
# check only interfaces with name matching tunnel type
ret = [i for i in vconnector['interfaces'].values()
if i['name'].startswith(tunnel_type + '-')]
for otep in ret:
otep['ip_address'] = tunneling_ip
otep['host'] = vconnector['host']
self.get_otep_ports(otep)
otep['id'] = otep['host'] + '-otep-' + otep['name']
otep['name'] = otep['id']
otep['vconnector'] = vconnector['name']
otep['overlay_type'] = tunnel_type
self.get_udp_port(otep)
return ret
"""
fetch OTEP data from CLI command 'ip -d link show'
"""
def get_otep_ports(self, otep):
cmd = 'ip -d link show'
lines = self.run_fetch_lines(cmd, otep['host'])
header_format = '[0-9]+: ' + otep['name'] + ':'
interface_lines = self.get_section_lines(lines, header_format, '\S')
otep['data'] = '\n'.join(interface_lines)
regexps = [
{'name': 'state', 're': ',UP,', 'default': 'DOWN'},
{'name': 'mac_address', 're': '.*\slink/ether\s(\S+)\s'},
{'name': 'mtu', 're': '.*\smtu\s(\S+)\s'},
]
self.get_object_data(otep, interface_lines, regexps)
cmd = 'bridge fdb show'
dst_line_format = ' dev ' + otep['name'] + ' dst '
lines = self.run_fetch_lines(cmd, otep['host'])
lines = [l for l in lines if dst_line_format in l]
if lines:
l = lines[0]
otep['bridge dst'] = l[l.index(' dst ')+5:]
return otep
def get_udp_port(self, otep):
table_name = "neutron.ml2_" + otep['overlay_type'] + "_endpoints"
results = None
try:
results = self.get_objects_list_for_id(
"""
SELECT udp_port
FROM {}
WHERE host = %s
""".format(table_name),
"vedge", otep['host'])
except Exception as e:
self.log.error('failed to fetch UDP port for OTEP: ' + str(e))
otep['udp_port'] = 0
for result in results:
otep['udp_port'] = result['udp_port']
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