# $Id$
# Copyright (C) 2007--2008 American Registry for Internet Numbers ("ARIN")
#
# Permission to use, copy, modify, and distribute this software for any
# purpose with or without fee is hereby granted, provided that the above
# copyright notice and this permission notice appear in all copies.
#
# THE SOFTWARE IS PROVIDED "AS IS" AND ARIN DISCLAIMS ALL WARRANTIES WITH
# REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
# AND FITNESS. IN NO EVENT SHALL ARIN BE LIABLE FOR ANY SPECIAL, DIRECT,
# INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
# LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
# OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
# PERFORMANCE OF THIS SOFTWARE.
"""Exception definitions for RPKI modules."""
class RPKI_Exception(Exception):
"""Base class for RPKI exceptions."""
class NotInDatabase(RPKI_Exception):
"""Lookup failed for an object expected to be in the database."""
class BadURISyntax(RPKI_Exception):
"""Illegal syntax for a URI."""
class BadStatusCode(RPKI_Exception):
"""Unrecognized protocol status code."""
class BadQuery(RPKI_Exception):
"""Unexpected protocol query."""
class DBConsistancyError(RPKI_Exception):
"""Found multiple matches for a database query that shouldn't ever return that."""
class CMSVerificationFailed(RPKI_Exception):
"""Verification of a CMS message failed."""
class HTTPRequestFailed(RPKI_Exception):
"""HTTP request failed."""
class DERObjectConversionError(RPKI_Exception):
"""Error trying to convert a DER-based object from one representation to another."""
class NotACertificateChain(RPKI_Exception):
"""Certificates don't form a proper chain."""
class BadContactURL(RPKI_Exception):
"""Error trying to parse up-down protocol contact URL."""
class BadClassNameSyntax(RPKI_Exception):
"""Illegal syntax for a class_name."""
class BadIssueResponse(RPKI_Exception):
"""issue_response PDU with wrong number of classes or certificates."""
class NotImplementedYet(RPKI_Exception):
"""Internal error -- not implemented yet."""
class BadPKCS10(RPKI_Exception):
"""Bad PKCS #10 object."""
class UpstreamError(RPKI_Exception):
"""Received an error from upstream."""
class ChildNotFound(RPKI_Exception):
"""Could not find specified child in database."""
class BSCNotFound(RPKI_Exception):
"""Could not find specified BSC in database."""
class BadSender(RPKI_Exception):
"""Unexpected XML sender value."""
class ClassNameMismatch(RPKI_Exception):
"""class_name does not match child context."""
class SKIMismatch(RPKI_Exception):
"""SKI value in response does not match request."""
class SubprocessError(RPKI_Exception):
"""Subprocess returned unexpected error."""
class BadIRDBReply(RPKI_Exception):
"""Unexpected reply to IRDB query."""
class NotFound(RPKI_Exception):
"""Object not found in database."""
class MustBePrefix(RPKI_Exception):
"""Resource range cannot be expressed as a prefix."""
class TLSValidationError(RPKI_Exception):
"""TLS certificate validation error."""
class MultipleTLSEECert(TLSValidationError):
"""Received more than one TLS EE certificate."""
class ReceivedTLSCACert(TLSValidationError):
"""Received CA certificate via TLS."""
class WrongEContentType(RPKI_Exception):
"""Received wrong CMS eContentType."""
class EmptyPEM(RPKI_Exception):
"""Couldn't find PEM block to convert."""
class UnexpectedCMSCerts(RPKI_Exception):
"""Received CMS certs when not expecting any."""
class UnexpectedCMSCRLs(RPKI_Exception):
"""Received CMS CRLs when not expecting any."""
class MissingCMSEEcert(RPKI_Exception):
"""Didn't receive CMS EE cert when expecting one."""
class MissingCMSCRL(RPKI_Exception):
"""Didn't receive CMS CRL when expecting one."""
class UnparsableCMSDER(RPKI_Exception):
"""Alleged CMS DER wasn't parsable."""
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"""
Parse traffic data out of rynic XML output, whack it a bit, print some
summaries and run gnuplot to draw some pictures.
$Id$
Copyright (C) 2011-2012 Internet Systems Consortium ("ISC")
Permission to use, copy, modify, and distribute this software for any
purpose with or without fee is hereby granted, provided that the above
copyright notice and this permission notice appear in all copies.
THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
PERFORMANCE OF THIS SOFTWARE.
"""
plot_all_hosts = False
window_hours = 72
import mailbox
import sys
import urlparse
import os
import getopt
import datetime
import subprocess
import shelve
from xml.etree.cElementTree import (ElementTree as ElementTree,
fromstring as ElementTreeFromString)
def parse_utc(s):
return datetime.datetime.strptime(s, "%Y-%m-%dT%H:%M:%SZ")
class Rsync_History(object):
"""
An Rsync_History object represents one rsync connection.
"""
def __init__(self, elt):
self.error = elt.get("error")
self.uri = elt.text.strip()
self.hostname = urlparse.urlparse(self.uri).hostname or None
self.elapsed = parse_utc(elt.get("finished")) - parse_utc(elt.get("started"))
class Host(object):
"""
A host object represents all the data collected for one host. Note
that it (usually) contains a list of all the sessions in which this
host appears.
"""
def __init__(self, hostname, session_id):
self.hostname = hostname
self.session_id = session_id
self.elapsed = datetime.timedelta(0)
self.connection_count = 0
self.dead_connections = 0
self.uris = set()
self.total_connection_time = datetime.timedelta(0)
def add_rsync_history(self, h):
self.connection_count += 1
self.elapsed += h.elapsed
self.dead_connections += int(h.error is not None)
self.total_connection_time += h.elapsed
def add_uri(self, u):
self.uris.add(u)
def finalize(self):
self.object_count = len(self.uris)
del self.uris
@property
def failed(self):
return 1 if self.dead_connections else 0
@property
def seconds_per_object(self):
if self.failed:
return None
else:
return float(self.elapsed.days * 24 * 60 * 60 +
self.elapsed.seconds +
self.elapsed.microseconds / 10**6) / float(self.object_count)
@property
def objects_per_connection(self):
if self.failed:
return None
else:
return float(self.object_count) / float(self.connection_count)
@property
def average_connection_time(self):
return float(self.total_connection_time.days * 24 * 60 * 60 +
self.total_connection_time.seconds +
self.total_connection_time.microseconds / 10**6) / float(self.connection_count)
class Format(object):
def __init__(self, attr, title, fmt, ylabel = ""):
self.attr = attr
self.title = title
self.width = len(title) - int("%" in fmt)
self.fmt = "%%%d%s" % (self.width, fmt)
self.oops = "*" * self.width
self.ylabel = ylabel
def __call__(self, obj):
try:
value = getattr(obj, self.attr)
return None if value is None else self.fmt % value
except ZeroDivisionError:
return self.oops
format = (Format("connection_count", "Connections", "d", "Connections To Repository (Per Session)"),
Format("object_count", "Objects", "d", "Objects In Repository (Distinct URIs Per Session)"),
Format("objects_per_connection", "Objects/Connection", ".3f", "Objects In Repository / Connections To Repository"),
Format("seconds_per_object", "Seconds/Object", ".3f", "Seconds To Transfer / Object (Average Per Session)"),
Format("failure_rate_running", "Failure Rate", ".3f%%", "Sessions With Failed Connections Within Last %d Hours" % window_hours),
Format("average_connection_time", "Average Connection", ".3f", "Seconds / Connection (Average Per Session)"),
Format("hostname", "Hostname", "s"))
format_dict = dict((fmt.attr, fmt) for fmt in format)
def format_field(self, name):
result = self.format_dict[name](self)
return None if result is None else result.strip()
class Session(dict):
"""
A session corresponds to one XML file. This is a dictionary of Host
objects, keyed by hostname.
"""
def __init__(self, session_id, msg_key):
self.session_id = session_id
self.msg_key = msg_key
self.date = parse_utc(session_id)
self.calculated_failure_history = False
@property
def hostnames(self):
return set(self.iterkeys())
def get_plot_row(self, name, hostnames):
return (self.session_id,) + tuple(self[h].format_field(name) if h in self else "" for h in hostnames)
def add_rsync_history(self, h):
if h.hostname not in self:
self[h.hostname] = Host(h.hostname, self.session_id)
self[h.hostname].add_rsync_history(h)
def add_uri(self, u):
h = urlparse.urlparse(u).hostname
if h and h in self:
self[h].add_uri(u)
def finalize(self):
for h in self.itervalues():
h.finalize()
def calculate_failure_history(self, sessions):
start = self.date - datetime.timedelta(hours = window_hours)
sessions = tuple(s for s in sessions if s.date <= self.date and s.date > start)
for hostname, h in self.iteritems():
i = n = 0
for s in sessions:
if hostname in s:
i += s[hostname].failed
n += 1
h.failure_rate_running = float(100 * i) / n
self.calculated_failure_history = True
def plotter(f, hostnames, field, logscale = False):
plotlines = sorted(session.get_plot_row(field, hostnames) for session in sessions)
title = Host.format_dict[field].title
ylabel = Host.format_dict[field].ylabel
n = len(hostnames) + 1
assert all(n == len(plotline) for plotline in plotlines)
if "%%" in Host.format_dict[field].fmt:
f.write('set format y "%.0f%%"\n')
else:
f.write('set format y\n')
if logscale:
f.write("set logscale y\n")
else:
f.write("unset logscale y\n")
f.write("""
set xdata time
set timefmt '%Y-%m-%dT%H:%M:%SZ'
#set format x '%m/%d'
#set format x '%b%d'
#set format x '%Y-%m-%d'
set format x '%Y-%m'
#set title '""" + title + """'
set ylabel '""" + ylabel + """'
plot""" + ",".join(" '-' using 1:2 with linespoints pointinterval 500 title '%s'" % h for h in hostnames) + "\n")
for i in xrange(1, n):
for plotline in plotlines:
if plotline[i] is not None:
f.write("%s %s\n" % (plotline[0], plotline[i].rstrip("%")))
f.write("e\n")
def plot_hosts(hostnames, fields):
for field in fields:
for logscale in (False, True):
gnuplot = subprocess.Popen(("gnuplot",), stdin = subprocess.PIPE)
gnuplot.stdin.write("set terminal pdf\n")
gnuplot.stdin.write("set output '%s/%s-%s.pdf'\n" % (outdir, field, "log" if logscale else "linear"))
plotter(gnuplot.stdin, hostnames, field, logscale = logscale)
gnuplot.stdin.close()
gnuplot.wait()
outdir = "images"
if not os.path.exists(outdir):
os.makedirs(outdir)
mb = mailbox.Maildir("/u/sra/rpki/rcynic-xml", factory = None, create = False)
if sys.platform == "darwin": # Sigh
shelf = shelve.open("rcynic-xml", "c")
else:
shelf = shelve.open("rcynic-xml.db", "c")
sessions = []
latest = None
parsed = 0
for i, key in enumerate(mb.iterkeys(), 1):
sys.stderr.write("\r%s %d/%d/%d..." % ("|\\-/"[i & 3], parsed, i, len(mb)))
if key in shelf:
session = shelf[key]
else:
assert not mb[key].is_multipart()
input = ElementTreeFromString(mb[key].get_payload())
date = input.get("date")
sys.stderr.write("%s..." % date)
session = Session(date, key)
for elt in input.findall("rsync_history"):
session.add_rsync_history(Rsync_History(elt))
for elt in input.findall("validation_status"):
if elt.get("generation") == "current":
session.add_uri(elt.text.strip())
session.finalize()
shelf[key] = session
parsed += 1
sessions.append(session)
if latest is None or session.session_id > latest.session_id:
latest = session
sys.stderr.write("\n")
shelf.sync()
for session in sessions:
if not getattr(session, "calculated_failure_history", False):
session.calculate_failure_history(sessions)
shelf[session.msg_key] = session
if plot_all_hosts:
hostnames = sorted(reduce(lambda x, y: x | y,
(s.hostnames for s in sessions),
set()))
else:
hostnames = ("rpki.apnic.net", "rpki.ripe.net", "localcert.ripe.net",
"repository.lacnic.net", "rpki.afrinic.net", "rpki.arin.net",
"arin.rpki.net", "repo0.rpki.net", "rgnet.rpki.net")
plot_hosts(hostnames, [fmt.attr for fmt in Host.format if fmt.attr != "hostname"])
if latest is not None:
f = open("rcynic.xml", "wb")
f.write(mb[latest.msg_key].get_payload())
f.close()
shelf.close()
|