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full view wip
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dsx
parent
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commit
8e55d6aac2
7
lg.cfg
7
lg.cfg
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@ -30,3 +30,10 @@ AS_NUMBER = {
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ASN_ZONE = "asn.cymru.com"
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SESSION_KEY = '\xd77\xf9\xfa\xc2\xb5\xcd\x85)`+H\x9d\xeeW\\%\xbe/\xbaT\x89\xe8\xa7'
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# Set to True if you're using one BIRD with full view of the network graph
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BIRD_HAS_FULL_VIEW = True
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# Set to True if your BIRD doesn't pretent to be a router
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BIRD_IS_NOT_A_ROUTER = True
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105
lg.py
105
lg.py
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@ -20,15 +20,15 @@
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#
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###
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import memcache
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import subprocess
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import logging
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from logging.handlers import TimedRotatingFileHandler
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import re
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from urllib2 import urlopen
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from urllib import quote, unquote
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from urllib2 import urlopen
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import json
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import logging
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import memcache
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import random
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import re
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import subprocess
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from toolbox import mask_is_valid, ipv6_is_valid, ipv4_is_valid, resolve, save_cache_pickle, load_cache_pickle, unescape
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# from xml.sax.saxutils import escape
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@ -47,9 +47,10 @@ file_handler.setLevel(getattr(logging, app.config["LOG_LEVEL"].upper()))
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app.logger.addHandler(file_handler)
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memcache_server = app.config.get("MEMCACHE_SERVER", "127.0.0.1:11211")
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memcache_expiration = int(app.config.get("MEMCACHE_EXPIRATION", "1296000")) # 15 days by default
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memcache_expiration = int(app.config.get("MEMCACHE_EXPIRATION", "1296000")) # 15 days by default
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mc = memcache.Client([memcache_server])
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def get_asn_from_as(n):
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asn_zone = app.config.get("ASN_ZONE", "asn.cymru.com")
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try:
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@ -69,8 +70,7 @@ def add_links(text):
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ret_text = []
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for line in text:
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# Some heuristic to create link
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if line.strip().startswith("BGP.as_path:") or \
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line.strip().startswith("Neighbor AS:"):
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if line.strip().startswith("BGP.as_path:") or line.strip().startswith("Neighbor AS:"):
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ret_text.append(re.sub(r'(\d+)', r'<a href="/whois?q=\1" class="whois">\1</a>', line))
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else:
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line = re.sub(r'([a-zA-Z0-9\-]*\.([a-zA-Z]{2,3}){1,2})(\s|$)', r'<a href="/whois?q=\1" class="whois">\1</a>\3', line)
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@ -143,7 +143,12 @@ def bird_proxy(host, proto, service, query):
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elif not path:
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return False, 'Proto "%s" invalid' % proto
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else:
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url = "http://%s.%s:%d/%s?q=%s" % (host, app.config["DOMAIN"], port, path, quote(query))
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if app.config.get('BIRD_HAS_FULL_VIEW'):
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url = 'http://{}:{}/{}?q={}'.format(app.config['ROUTER_IP'][host][0], port, path, quote(query))
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else:
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# FIXME: debug
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url = 'http://{}:{}/{}?q={}'.format(app.config['ROUTER_IP'][host][0], port, path, quote(query))
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# url = "http://%s.%s:%d/%s?q=%s" % (host, app.config["DOMAIN"], port, path, quote(query))
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try:
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f = urlopen(url)
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resultat = f.read()
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@ -198,10 +203,12 @@ def incorrect_request(e):
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def page_not_found(e):
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return render_template('error.html', warnings=["The requested URL was not found on the server."]), 404
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def get_query():
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q = unquote(request.args.get('q', '').strip())
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return q
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@app.route("/whois")
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def whois():
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query = get_query()
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@ -317,7 +324,6 @@ def traceroute(hosts, proto):
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errors.append("%s" % resultat)
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continue
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infos[host] = add_links(resultat)
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return render_template('traceroute.html', infos=infos, errors=errors)
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@ -445,7 +451,8 @@ def show_bgpmap():
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for host, asmaps in data.iteritems():
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add_node(host, label="%s\r%s" % (host.upper(), app.config["DOMAIN"].upper()), shape="box", fillcolor="#F5A9A9")
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as_number = app.config["AS_NUMBER"].get(host, None)
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# as_number = app.config["AS_NUMBER"].get(host, None)
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as_number = app.config["AS_NUMBER"].get(host, '6453') # FIXME: debug
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if as_number:
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node = add_node(as_number, fillcolor="#F5A9A9")
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edge = add_edge(as_number, nodes[host])
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@ -477,7 +484,6 @@ def show_bgpmap():
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else:
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hop_label = ""
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add_node(_as, fillcolor=(first and "#F5A9A9" or "white"))
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if hop_label:
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edge = add_edge(nodes[previous_as], nodes[_as], label=hop_label, fontsize="7")
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@ -510,10 +516,14 @@ def build_as_tree_from_raw_bird_ouput(host, proto, text):
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path = None
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paths = []
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net_dest = None
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re_via = re.compile(r'(.*)via\s+([0-9a-fA-F:\.]+)\s+on.*\[(\w+)\s+')
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re_unreachable = re.compile(r'(.*)unreachable\s+\[(\w+)\s+')
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for line in text:
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line = line.strip()
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expr = re.search(r'(.*)via\s+([0-9a-fA-F:\.]+)\s+on.*\[(\w+)\s+', line)
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expr = re_via.search(line)
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if expr:
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if path:
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path.append(net_dest)
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@ -536,7 +546,7 @@ def build_as_tree_from_raw_bird_ouput(host, proto, text):
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path = [peer_protocol_name]
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# path = ["%s\r%s" % (peer_protocol_name, get_as_name(get_as_number_from_protocol_name(host, proto, peer_protocol_name)))]
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expr2 = re.search(r'(.*)unreachable\s+\[(\w+)\s+', line)
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expr2 = re_unreachable.search(line)
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if expr2:
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if path:
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path.append(net_dest)
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@ -556,6 +566,70 @@ def build_as_tree_from_raw_bird_ouput(host, proto, text):
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return paths
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def build_as_tree_from_full_view(host, proto, res):
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# FIXME: debug
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# {u'noc.chi1.us': [[u'chi1', u'31133', u'6697', u'193.232.248.0/22']],
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# u'noc.dal1.us': [[u'dal1', u'31133', u'6697', u'193.232.248.0/22']],
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# u'noc.sng2.sg': [[u'sng2', u'31133', u'6697', u'193.232.248.0/22']],
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# u'noc.war1.pl': [[u'war1', u'31133', u'6697', u'193.232.248.0/22']],
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# u'rc1.ash1.us': [[u'ash1', u'31133', u'6697', u'193.232.248.0/22']],
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# u'rc1.atl1.us': [[u'atl1', u'31133', u'6697', u'193.232.248.0/22']],
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# u'rc1.fra6.de': [[u'fra6', u'31133', u'6697', u'193.232.248.0/22']],
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# u'rc1.lax1.us': [[u'lax1', u'31133', u'6697', u'193.232.248.0/22']],
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# u'rc1.lon1.uk': [[u'lon1', u'31133', u'6697', u'193.232.248.0/22']],
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# u'rc1.nyc1.us': [[u'nyc1', u'31133', u'6697', u'193.232.248.0/22']],
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# u'rc1.par2.fr': [[u'par2', u'31133', u'6697', u'193.232.248.0/22']],
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# u'rc1.sjo1.us': [[u'sjo1', u'31133', u'6697', u'193.232.248.0/22']]}
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# {'ginwyntcore2': [['ginwyntcore2', '9002', '6697', '193.232.248.0/22']]}
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re_chunk_start = re.compile(r'(.*)unreachable\s+\[(.*)\s+.*\s+from\s+(.*)\].*\(.*\)\s\[.*\]')
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result = dict()
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dest_subnet = None
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for line in res:
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line = line.strip()
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expr = re_chunk_start.search(line)
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if expr:
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# Beginning of the BGP reply chunk
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if not dest_subnet:
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dest_subnet = expr.group(1).strip()
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router_tag = expr.group(2).strip()
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router_ip = expr.group(3).strip()
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result[router_ip] = list()
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elif line.startswith('BGP.as_path:'):
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# BGP AS path
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line = line.replace('BGP.as_path:', '')
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line = line.strip()
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path = [router_tag, ]
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for as_num in line.split(' '):
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if as_num:
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path.append(as_num)
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path.append(dest_subnet)
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result[router_ip].append(path)
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elif line.startswith('BGP.community:'):
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# BGP community
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line = line.replace('BGP.community:', '')
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line = line.strip()
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elif line.startswith('BGP.cluster_list:'):
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# BGP cluster size
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line = line.replace('BGP.cluster_list:', '')
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line = line.strip()
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# Sort and filter out result
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# 0. Breakdown by possible BGP pathes
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# 1. Sort by BGP path length, shortest first
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# 2. Sort by cluster size, smallest first
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# 3. Sort by community (?)
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return result
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def show_route(request_type, hosts, proto):
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expression = get_query()
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if not expression:
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@ -618,6 +692,9 @@ def show_route(request_type, hosts, proto):
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continue
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if bgpmap:
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if app.config['BIRD_HAS_FULL_VIEW']:
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detail = build_as_tree_from_full_view(host, proto, res)
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else:
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detail[host] = build_as_tree_from_raw_bird_ouput(host, proto, res)
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else:
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detail[host] = add_links(res)
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