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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 #
###############################################################################
import re
from discover.fetchers.cli.cli_access import CliAccess
from discover.fetchers.db.db_access import DbAccess
from utils.inventory_mgr import InventoryMgr
from utils.singleton import Singleton
class DbFetchOteps(DbAccess, CliAccess, metaclass=Singleton):
def __init__(self):
super().__init__()
self.inv = InventoryMgr()
self.port_re = re.compile("^\s*port (\d+): ([^(]+)( \(internal\))?$")
def get(self, id):
vedge = self.inv.get_by_id(self.get_env(), id)
tunnel_type = None
if "configurations" not in vedge:
return []
if "tunnel_types" not in vedge["configurations"]:
return []
if not vedge["configurations"]["tunnel_types"]:
return []
tunnel_type = vedge["configurations"]["tunnel_types"][0]
host_id = vedge["host"]
table_name = "neutron.ml2_" + tunnel_type + "_endpoints"
env_config = self.config.get_env_config()
distribution = env_config["distribution"]
if distribution == "Canonical-icehouse":
# for Icehouse, we only get IP address from the DB, so take the
# host IP address and from the host data in Mongo
host = self.inv.get_by_id(self.get_env(), host_id)
results = [{"host": host_id, "ip_address": host["ip_address"]}]
else:
results = self.get_objects_list_for_id(
"""
SELECT *
FROM {}
WHERE host = %s
""".format(table_name),
"vedge", host_id)
for doc in results:
doc["id"] = host_id + "-otep"
doc["name"] = doc["id"]
doc["host"] = host_id
doc["overlay_type"] = tunnel_type
doc["ports"] = vedge["tunnel_ports"] if "tunnel_ports" in vedge else []
if "udp_port" not in doc:
doc["udp_port"] = "67"
self.get_vconnector(doc, host_id, vedge)
return results
# find matching vConnector by tunneling_ip of vEdge
# look for that IP address in ifconfig for the host
def get_vconnector(self, doc, host_id, vedge):
tunneling_ip = vedge["configurations"]["tunneling_ip"]
ifconfig_lines = self.run_fetch_lines("ifconfig", host_id)
interface = None
ip_string = " " * 10 + "inet addr:" + tunneling_ip + " "
vconnector = None
for l in ifconfig_lines:
if l.startswith(" "):
if interface and l.startswith(ip_string):
vconnector = interface
break
else:
if " " in l:
interface = l[:l.index(" ")]
if vconnector:
doc["vconnector"] = vconnector
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