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#!/usr/bin/env python
# $Id$
#
# Copyright (C) 2013-2014 2014 Dragon Research Labs ("DRL")
# Portions 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 notices and this permission notice appear in all copies.
#
# THE SOFTWARE IS PROVIDED "AS IS" AND DRL AND ISC DISCLAIM ALL
# WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED
# WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL DRL OR
# 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.
"""
Parse rcynic XML output, stuff the data that validation_status script
would print into an SQL database for subsequent analysis.
"""
import os
import sys
import time
import mailbox
import sqlite3
import argparse
import lxml.etree
import subprocess
parser = argparse.ArgumentParser(
description = __doc__,
formatter_class = argparse.ArgumentDefaultsHelpFormatter)
group = parser.add_mutually_exclusive_group(required = True)
group.add_argument("--mailbox", "--mb",
help = "Maildir mailbox containing rcynic XML output")
group.add_argument("--tarballs",
help = "directory tree of tar files containing containing rcynic XML output")
parser.add_argument("--database", "--db",
default = "validation-status-sql.db",
help = "name for SQLite3 database")
parser.add_argument("--path-within-tarball",
default = "var/rcynic/data/rcynic.xml",
help = "name of file to extract from tarball(s)")
parser.add_argument("--tar-extensions", nargs = "+",
default = ".tar .tar.gz .tgz .tar.bz2 .tbz .tar.xz .txz".split(),
help = "extensions to recognize as indicating tar files")
args = parser.parse_args()
creating = not os.path.exists(args.database)
db = sqlite3.connect(args.database)
db.text_factory = str
db.execute("PRAGMA foreign_keys = on")
if creating:
db.executescript('''
CREATE TABLE sessions (
id INTEGER PRIMARY KEY NOT NULL,
session DATETIME NOT NULL,
UNIQUE (session));
CREATE TABLE uris (
id INTEGER PRIMARY KEY NOT NULL,
uri TEXT NOT NULL,
UNIQUE (uri));
CREATE TABLE codes (
id INTEGER PRIMARY KEY NOT NULL,
code TEXT NOT NULL,
UNIQUE (code));
CREATE TABLE generations (
id INTEGER PRIMARY KEY NOT NULL,
generation TEXT,
UNIQUE (generation));
CREATE TABLE events (
id INTEGER PRIMARY KEY NOT NULL,
timestamp DATETIME NOT NULL,
session_id INTEGER NOT NULL REFERENCES sessions(id) ON DELETE RESTRICT ON UPDATE RESTRICT,
generation_id INTEGER NOT NULL REFERENCES generations(id) ON DELETE RESTRICT ON UPDATE RESTRICT,
code_id INTEGER NOT NULL REFERENCES codes(id) ON DELETE RESTRICT ON UPDATE RESTRICT,
uri_id INTEGER NOT NULL REFERENCES uris(id) ON DELETE RESTRICT ON UPDATE RESTRICT,
UNIQUE (timestamp, generation_id, code_id, uri_id));
CREATE VIEW status AS
SELECT events.id, session, timestamp, generation, uri, code
FROM events
JOIN sessions ON sessions.id = events.session_id
JOIN uris ON uris.id = events.uri_id
JOIN codes ON codes.id = events.code_id
JOIN generations ON generations.id = events.generation_id;
''')
def string_id(table, value):
field = table.rstrip("s")
try:
if value is None:
return db.execute("SELECT id FROM %s WHERE %s IS NULL" % (table, field)).fetchone()[0]
else:
return db.execute("SELECT id FROM %s WHERE %s = ?" % (table, field), (value,)).fetchone()[0]
except:
return db.execute("INSERT INTO %s (%s) VALUES (?)" % (table, field), (value,)).lastrowid
def parse_xml(xml):
try:
session_id = db.execute("INSERT INTO sessions (session) VALUES (datetime(?))", (xml.get("date"),)).lastrowid
except sqlite3.IntegrityError:
return
with db:
db.executemany("INSERT INTO events (session_id, timestamp, generation_id, code_id, uri_id) VALUES (?, datetime(?), ?, ?, ?)",
((session_id,
x.get("timestamp"),
string_id("generations", x.get("generation")),
string_id("codes", x.get("status")),
string_id("uris", x.text.strip()))
for x in xml.findall("validation_status")))
def parse_tarball(fn):
print "Processing", fn
parse_xml(lxml.etree.ElementTree(
file = subprocess.Popen(("tar", "Oxf", fn, args.path_within_tarball), stdout = subprocess.PIPE).stdout).getroot())
if args.mailbox:
mb = mailbox.Maildir(args.mailbox, factory = None, create = False)
for i, key in enumerate(mb.iterkeys(), 1):
sys.stderr.write("\r%s %d/%d..." % ("|\\-/"[i & 3], i, len(mb)))
parse_xml(lxml.etree.XML(mb[key].get_payload()))
sys.stderr.write("\n")
elif not os.path.isdir(args.tarballs):
parse_tarball(args.tarballs)
else:
if os.path.isdir(args.tarballs):
for root, dirs, files in os.walk(args.tarballs):
for fn in files:
if any(fn.endswith(ext) for ext in args.tar_extensions):
parse_tarball(os.path.join(root, fn))
db.close()
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