NLNOG Ring task execution library
| Author: | Alex Forster (alex@alexforster.com) |
|---|---|
| License: | BSD 3-Clause |
Installation
pip install nlring
from nlring import SSH, RingNode, Ring
def do_tcp_traceroute(node, address, countries):
countries = [c.lower() for c in countries]
if node.country.lower() not in countries:
return None
with SSH(username='example', host=node.hostname) as ssh:
ssh.authenticate()
ssh.write('traceroute.db -4 -T -N 30 -n -w 2 -q 10 -z 0.1 {}'.format(address))
traceroute = ssh.read(timeout=90)
return traceroute
def success(node, result):
if result is not None:
print('{}\n{}\n'.format(node.hostname, result))
def error(node, ex, tb):
import traceback
print('{}\n{}'.format(node.hostname, ''.join(traceback.format_exception(type(ex), ex, tb))))
ring = Ring(parallelism=32)
ring.discover(cache_file='./api-nodes.json')
ring.run(do_tcp_traceroute,
args=['google.com', ['cn', 'kr', 'th', 'kh', 'au', 'jp']],
on_success=success,
on_error=error)
# sabay01.ring.nlnog.net
# traceroute to google.com (175.28.1.177), 30 hops max, 60 byte packets
# 1 118.67.200.189 0.369 ms 0.343 ms 0.307 ms 0.324 ms 0.291 ms 0.299 ms 0.353 ms 0.360 ms 0.334 ms 0.379 ms
# 2 175.28.2.33 1.117 ms 1.108 ms 0.999 ms 1.230 ms 1.185 ms 1.147 ms 1.066 ms 1.281 ms 1.175 ms 1.185 ms
# 3 175.28.1.177 0.461 ms 0.459 ms 0.516 ms 0.488 ms 0.565 ms 0.537 ms 0.516 ms 0.470 ms 0.431 ms 0.499 ms
#
# apnic01.ring.nlnog.net
# traceroute to google.com (216.58.220.142), 30 hops max, 60 byte packets
# 1 203.133.248.254 0.175 ms 0.159 ms 0.186 ms 0.162 ms 0.171 ms 0.159 ms 0.163 ms 0.293 ms 0.185 ms 0.158 ms
# 2 45.127.172.73 17.411 ms 17.343 ms 17.334 ms 17.328 ms 17.366 ms 17.404 ms 17.345 ms 17.373 ms 17.330 ms 17.383 ms
# 3 216.239.40.233 17.741 ms 216.239.40.223 17.732 ms 216.239.40.233 17.742 ms 216.239.40.223 17.899 ms 17.776 ms 216.239.40.233 17.689 ms 216.239.40.223 17.726 ms 216.239.40.233 17.725 ms 17.742 ms 216.239.40.223 17.713 ms
# 4 108.170.232.179 17.800 ms 17.766 ms 17.760 ms 108.170.232.177 17.739 ms 108.170.232.179 17.790 ms 108.170.232.177 17.782 ms 17.747 ms 17.770 ms 108.170.232.179 17.746 ms 17.767 ms
# 5 216.58.220.142 17.848 ms 17.942 ms 17.933 ms 17.992 ms 17.704 ms 18.588 ms 18.001 ms 17.957 ms 17.855 ms 18.179 ms
#
# ...