64 lines
1.4 KiB
Python
Executable File
64 lines
1.4 KiB
Python
Executable File
#!/usr/bin/env python3
|
|
# -*- encoding: utf-8 -*-
|
|
|
|
import json
|
|
from pathlib import Path
|
|
from counteriter import CounterIterator
|
|
from toporender import main as renderer
|
|
|
|
# Based on and semantically equivalent to:
|
|
# https://github.com/HSRNetwork/Cloudlnf_Lab10_ryu/blob/master/mininetClosStartup.py
|
|
|
|
SPINE_SPEED = 1
|
|
LEAF_SPEED = 1
|
|
|
|
SPINE_COUNT = 3
|
|
LEAF_COUNT = 8
|
|
HOST_LEAF = 2
|
|
|
|
hosts_iter = CounterIterator()
|
|
switch_iter = CounterIterator()
|
|
|
|
|
|
def reset_iters():
|
|
global hosts_iter
|
|
global switch_iter
|
|
hosts_iter = CounterIterator()
|
|
switch_iter = CounterIterator()
|
|
|
|
|
|
def create_topo():
|
|
this_hosts = []
|
|
this_switches = []
|
|
this_links = []
|
|
spines = list()
|
|
leafs = list()
|
|
for _ in range(LEAF_COUNT):
|
|
s = f"s{next(switch_iter)}"
|
|
leafs.append(s)
|
|
this_switches.append(s)
|
|
for __ in range(HOST_LEAF):
|
|
h = f"h{next(hosts_iter)}"
|
|
this_hosts.append(h)
|
|
this_links.append((s, h, LEAF_SPEED))
|
|
for _ in range(SPINE_COUNT):
|
|
s = f"s{next(switch_iter)}"
|
|
spines.append(s)
|
|
this_switches.append(s)
|
|
for spine in spines:
|
|
for leaf in leafs:
|
|
this_links.append((spine, leaf, SPINE_SPEED))
|
|
return this_hosts, this_switches, this_links
|
|
|
|
|
|
def main(fn: str = 'clos'):
|
|
reset_iters()
|
|
topo = create_topo()
|
|
reset_iters()
|
|
Path(f'{fn}.json').write_text(json.dumps(topo))
|
|
renderer(fn)
|
|
|
|
|
|
if __name__ == '__main__':
|
|
main()
|