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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.find_links import FindLinks
from utils.util import decode_aci_dn
class FindLinksForPnics(FindLinks):
def __init__(self):
super().__init__()
def add_links(self):
pnics = self.inv.find_items({
"environment": self.get_env(),
"type": "host_pnic"
})
self.log.info("adding links of type: host_pnic-network, "
"host_pnic-switch_pnic")
for pnic in pnics:
self.add_pnic_network_links(pnic)
self.add_host_pnic_to_switch_pnic_link(pnic)
pnics = self.inv.find_items({
"environment": self.get_env(),
"type": "switch_pnic",
"role": "uplink"
})
self.log.info("adding links of type: switch_pnic-switch_pnic")
for pnic in pnics:
self.add_switch_to_switch_link(pnic)
def add_pnic_network_links(self, pnic):
host = pnic["host"]
# find ports for that host, and fetch just the network ID
ports = self.inv.find_items({
"environment": self.get_env(),
"type": "port",
"binding:host_id": host
}, {"network_id": 1, "id": 1})
networks = {}
for port in ports:
networks[port["network_id"]] = 1
for network_id in networks.keys():
network = self.inv.get_by_id(self.get_env(), network_id)
if not network:
return
source = pnic["_id"]
source_id = pnic["id"]
target = network["_id"]
target_id = network["id"]
link_type = "host_pnic-network"
link_name = "Segment-" + str(network["provider:segmentation_id"]) \
if "provider:segmentation_id" in network \
else "Segment-None"
state = "up" if pnic["Link detected"] == "yes" else "down"
link_weight = 0 # TBD
attributes = {"network": target_id}
if "port_id" in pnic:
attributes['source_label'] = "port-" + pnic["port_id"]
self.create_link(self.get_env(),
source, source_id, target, target_id,
link_type, link_name, state, link_weight,
host=host,
extra_attributes=attributes)
def add_host_pnic_to_switch_pnic_link(self, host_pnic):
switch_pnic = self.inv.find_items({
"environment": self.get_env(),
"type": "switch_pnic",
"mac_address": host_pnic["mac_address"]},
get_single=True)
if not switch_pnic:
return
source = host_pnic["_id"]
source_id = host_pnic["id"]
target = switch_pnic["_id"]
target_id = switch_pnic["id"]
link_type = "host_pnic-switch_pnic"
link_name = "{}-{}".format(host_pnic['host'],
switch_pnic['parent_id'])
state = "up" if host_pnic["Link detected"] == "yes" else "down"
link_weight = 0 # TBD
self.create_link(self.get_env(),
source, source_id, target, target_id,
link_type, link_name, state, link_weight,
host=host_pnic['host'])
def add_switch_to_switch_link(self, leaf_pnic):
spine_pnic = self.inv.get_by_id(self.get_env(),
leaf_pnic['connected_to'])
if not spine_pnic:
return
source = leaf_pnic["_id"]
source_id = leaf_pnic["id"]
target = spine_pnic["_id"]
target_id = spine_pnic["id"]
link_type = "switch_pnic-switch_pnic"
if_id_matches = re.search("(eth.*)$", source_id)
link_name = decode_aci_dn(if_id_matches.group(1))
state = "up" # TBD
link_weight = 0 # TBD
self.create_link(self.get_env(),
source, source_id, target, target_id,
link_type, link_name, state, link_weight,
switch=leaf_pnic['switch'])
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