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https://github.com/sileht/bird-lg.git
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full view wip
This commit is contained in:
dsx
parent
1cd21536be
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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159
lg.py
159
lg.py
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@ -20,18 +20,18 @@
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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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# from xml.sax.saxutils import escape
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import pydot
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@ -47,16 +47,17 @@ 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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data = resolve("AS%s.%s" % (n, asn_zone) ,"TXT").replace("'","").replace('"','')
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data = resolve("AS%s.%s" % (n, asn_zone), "TXT").replace("'", "").replace('"', '')
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except:
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return " "*5
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return [ field.strip() for field in data.split("|") ]
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return " " * 5
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return [field.strip() for field in data.split("|")]
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def add_links(text):
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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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@ -111,7 +111,7 @@ def set_session(request_type, hosts, proto, request_args):
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def whois_command(query):
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server = []
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if app.config.get("WHOIS_SERVER", ""):
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server = [ "-h", app.config.get("WHOIS_SERVER") ]
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server = ["-h", app.config.get("WHOIS_SERVER")]
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return subprocess.Popen(['whois'] + server + [query], stdout=subprocess.PIPE).communicate()[0].decode('utf-8', 'ignore')
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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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@ -157,18 +162,18 @@ def bird_proxy(host, proto, service, query):
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@app.context_processor
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def inject_commands():
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commands = [
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("traceroute", "traceroute ..."),
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("summary", "show protocols"),
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("detail", "show protocols ... all"),
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("prefix", "show route for ..."),
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("prefix_detail", "show route for ... all"),
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("prefix_bgpmap", "show route for ... (bgpmap)"),
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("where", "show route where net ~ [ ... ]"),
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("where_detail", "show route where net ~ [ ... ] all"),
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("where_bgpmap", "show route where net ~ [ ... ] (bgpmap)"),
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("adv", "show route ..."),
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("adv_bgpmap", "show route ... (bgpmap)"),
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]
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("traceroute", "traceroute ..."),
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("summary", "show protocols"),
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("detail", "show protocols ... all"),
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("prefix", "show route for ..."),
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("prefix_detail", "show route for ... all"),
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("prefix_bgpmap", "show route for ... (bgpmap)"),
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("where", "show route where net ~ [ ... ]"),
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("where_detail", "show route where net ~ [ ... ] all"),
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("where_bgpmap", "show route where net ~ [ ... ] (bgpmap)"),
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("adv", "show route ..."),
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("adv_bgpmap", "show route ... (bgpmap)"),
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]
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commands_dict = {}
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for id, text in commands:
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commands_dict[id] = text
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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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@ -377,7 +383,7 @@ def get_as_name(_as):
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name = mc.get(str('lg_%s' % _as))
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if not name:
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app.logger.info("asn for as %s not found in memcache", _as)
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name = get_asn_from_as(_as)[-1].replace(" ","\r",1)
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name = get_asn_from_as(_as)[-1].replace(" ", "\r", 1)
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if name:
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mc.set(str("lg_%s" % _as), str(name), memcache_expiration)
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return "AS%s | %s" % (_as, name)
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@ -415,7 +421,7 @@ def show_bgpmap():
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def add_node(_as, **kwargs):
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if _as not in nodes:
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kwargs["label"] = '<<TABLE CELLBORDER="0" BORDER="0" CELLPADDING="0" CELLSPACING="0"><TR><TD ALIGN="CENTER">' + escape(kwargs.get("label", get_as_name(_as))).replace("\r","<BR/>") + "</TD></TR></TABLE>>"
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kwargs["label"] = '<<TABLE CELLBORDER="0" BORDER="0" CELLPADDING="0" CELLSPACING="0"><TR><TD ALIGN="CENTER">' + escape(kwargs.get("label", get_as_name(_as))).replace("\r", "<BR/>") + "</TD></TR></TABLE>>"
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nodes[_as] = pydot.Node(_as, style="filled", fontsize="10", **kwargs)
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graph.add_node(nodes[_as])
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return nodes[_as]
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@ -435,24 +441,25 @@ def show_bgpmap():
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label_without_star = kwargs["label"].replace("*", "")
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labels = e.get_label().split("\r")
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if "%s*" % label_without_star not in labels:
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labels = [ kwargs["label"] ] + [ l for l in labels if not l.startswith(label_without_star) ]
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labels = sorted(labels, cmp=lambda x,y: x.endswith("*") and -1 or 1)
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labels = [kwargs["label"]] + [l for l in labels if not l.startswith(label_without_star)]
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labels = sorted(labels, cmp=lambda x, y: x.endswith("*") and -1 or 1)
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label = escape("\r".join(labels))
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e.set_label(label)
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return edges[edge_tuple]
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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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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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edge.set_color("red")
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edge.set_style("bold")
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#colors = [ "#009e23", "#1a6ec1" , "#d05701", "#6f879f", "#939a0e", "#0e9a93", "#9a0e85", "#56d8e1" ]
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# colors = [ "#009e23", "#1a6ec1" , "#d05701", "#6f879f", "#939a0e", "#0e9a93", "#9a0e85", "#56d8e1" ]
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previous_as = None
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hosts = data.keys()
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for host, asmaps in data.iteritems():
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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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node = add_node(previous_as)
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node.set_shape("box")
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#return Response("<pre>" + graph.create_dot() + "</pre>")
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# return Response("<pre>" + graph.create_dot() + "</pre>")
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return Response(graph.create_png(), mimetype='image/png')
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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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@ -533,10 +543,10 @@ def build_as_tree_from_raw_bird_ouput(host, proto, text):
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break
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else:
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# ugly hack for good printing
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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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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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@ -618,7 +692,10 @@ def show_route(request_type, hosts, proto):
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continue
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if bgpmap:
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detail[host] = build_as_tree_from_raw_bird_ouput(host, proto, res)
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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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